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| author | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:34:07 +0000 |
|---|---|---|
| committer | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:34:07 +0000 |
| commit | 071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch) | |
| tree | 5deda65b8d7b04d1f4cbc534c3206d328e1267ec /sim/igen | |
| parent | 1730ec6b1848f0f32154277f788fb29f88d8475b (diff) | |
| download | gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.zip gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.tar.gz gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.tar.bz2 | |
Initial creation of sourceware repository
Diffstat (limited to 'sim/igen')
41 files changed, 0 insertions, 16036 deletions
diff --git a/sim/igen/.Sanitize b/sim/igen/.Sanitize deleted file mode 100644 index 9220a5f..0000000 --- a/sim/igen/.Sanitize +++ /dev/null @@ -1,74 +0,0 @@ -# .Sanitize for devo/sim/ppc. - -# Each directory to survive it's way into a release will need a file -# like this one called "./.Sanitize". All keyword lines must exist, -# and must exist in the order specified by this file. Each directory -# in the tree will be processed, top down, in the following order. - -# Hash started lines like this one are comments and will be deleted -# before anything else is done. Blank lines will also be squashed -# out. - -# The lines between the "Do-first:" line and the "Things-to-keep:" -# line are executed as a /bin/sh shell script before anything else is -# done in this - -Do-first: - -# All files listed between the "Things-to-keep:" line and the -# "Files-to-sed:" line will be kept. All other files will be removed. -# Directories listed in this section will have their own Sanitize -# called. Directories not listed will be removed in their entirety -# with rm -rf. - -Things-to-keep: - -ChangeLog -Makefile.in -acconfig.h -config.in -configure -configure.in -filter.c -filter.h -filter_host.c -filter_host.h -gen.c -gen.h -gen-engine.c -gen-engine.h -gen-icache.c -gen-icache.h -gen-idecode.c -gen-idecode.h -gen-itable.c -gen-itable.h -gen-model.c -gen-model.h -gen-semantics.c -gen-semantics.h -gen-support.c -gen-support.h -igen.c -igen.h -ld-cache.c -ld-cache.h -ld-decode.c -ld-decode.h -ld-insn.c -ld-insn.h -lf.c -lf.h -misc.c -misc.h -table.c -table.h - -Things-to-lose: - -BUGS - - -Do-last: - -# End of file. diff --git a/sim/igen/ChangeLog b/sim/igen/ChangeLog deleted file mode 100644 index 508b130..0000000 --- a/sim/igen/ChangeLog +++ /dev/null @@ -1,996 +0,0 @@ -Fri Dec 4 15:14:09 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-engine.c (print_run_body): Prefix instruction_address. - -Wed Oct 28 18:12:43 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * Makefile.in (SIM_WARNINGS): Update to match ../common/aclocal.m4 - changes. - -Wed Aug 12 10:55:28 1998 Frank Ch. Eigler <fche@cygnus.com> - - * gen-icache.c (print_icache_extraction): #undef a generated - symbol before #define'ing it, to remove conflict with system - macros. - -Wed Jul 29 10:07:27 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * gen.c (gen_entry_expand_opcode): For conditional, fields. Fix - the extraction of the value from its source - both table and bit - cases were wrong. - -Tue Jul 28 11:19:43 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * ld-insn.c (parse_insn_word): For constant conditional strings, - encode their bit value. - - * ld-insn.c (parse_insn_word, parse_insn_words): Allow conditional - operands to refer to fields in earlier instruction words. - - * gen.c (sub_val): Replace field argument with val_last_pos. - (gen_entry_expand_opcode): Look in previous tables for a value for - a conditional field as well as the bits from the current table. - (insn_list_insert): Add sort key of instructions where - their operand fields have different conditionals. - (insn_field_cmp): New function. - -Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - * config.in: Ditto. - -Sun Apr 26 15:20:08 1998 Tom Tromey <tromey@cygnus.com> - - * acconfig.h: New file. - * configure.in: Reverted change of Apr 24; use sinclude again. - -Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche> - - * configure: Regenerated to track ../common/aclocal.m4 changes. - * config.in: Ditto. - -Fri Apr 24 11:19:33 1998 Tom Tromey <tromey@cygnus.com> - - * configure.in: Don't call sinclude. - -Fri Apr 24 19:45:00 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-icache.c (print_icache_extraction): Do not type cast - pointers. - - * ld-insn.c (load_insn_table): Terminate error with NL. - - * gen.c (insns_bit_useless): Perform unsigned bit comparisons. - - * filter.c (is_filtered_out, filter_parse): Pacify GCC, len is - unsigned. - -Wed Apr 22 14:27:39 1998 Michael Meissner <meissner@cygnus.com> - - * configure: Reconfigure to pick up ../common/aclocal.m4 changes - to suppress inlining by default. - -Tue Apr 21 01:37:54 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-icache.c (print_icache_extraction): When generating #define - force the expression to the correct type. - -Thu Apr 16 08:50:29 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * misc.c (name2i): strlen returns an unsigned. - -Tue Apr 14 19:04:28 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * igen.h (struct igen_warn_options): Add unimplemented option. - * igen.c (main): Update - - * ld-insn.c (load_insn_table): Report unimplemented functions. - -Tue Apr 14 10:57:26 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * ld-insn.c (parse_insn_word): Treat `!' and `=' as valid - separator tokens when parsing a conditional. - - * igen.h (main): Add option -S so that suffix can be specified. - -Tue Apr 14 08:44:53 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * igen.h (struct igen_trace_options): Add members insn_expansion - and insn_insertion. - - * igen.c (main): Add options -Gtrace-insn-expansion, - -Gtrace-insn-insertion and -Gtrace-all. - - * gen.c (gen_entry_expand_insns): Trace each instruction as it is - selected for expansion. - (gen_entry_expand_opcode): Trace each expanded instruction as it - is inserted into the table. - -Mon Apr 13 19:21:47 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * ld-insn.c (parse_insn_word): Parse conditional operators. - (parse_insn_word): Verify field conditionals. - - * ld-insn.h: Extend syntax to allow macros and field equality. - (struct insn_field_cond): Rename insn_field_exclusion, add type. - - * gen.c (gen_entry_expand_opcode): Check type of conditional. - (insns_bit_useless): Ditto. - - * ld-insn.c (parse_macro_record): New function. - -Mon Apr 13 22:37:47 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * ld-insn.h (enum insn_field_type): Add insn_field_invalid. - - * ld-insn.c (parse_insn_word): Check instruction field type - correctly initialized. - (print_insn_words): Ditto. - (insn_field_type_to_str): Ditto. - (dump_insn_field): Ditto. - - * gen.c (insns_bit_useless): Ditto. - -Fri Apr 3 18:08:16 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * gen.h, igen.c (print_include_inline, print_includes, - print_includes): New functions. Generate include list. For for - semantics et.al. generate CPP code to inline when - C_REVEALS_MODULE_P. - - * igen.c (gen_semantics_c): Call print_includes. - * gen-engine.c (gen_engine_c): Ditto. - -Sat Apr 4 21:09:11 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * igen.h: (struct _igen_name_option): Replace with struct - igen_module_option. Contains both module prefix and suffix. - (INIT_OPTIONS): Initialize. - - * igen.c (main): Update -P option to fill in full module info. - (gen-engine.c, gen-icache.c, gen-itable.c, gen-semantics.c, - gen-support.c): Update. - -Sat Apr 4 02:15:35 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * igen.c (print_itrace): Use TRACE_ANY_P macro to determine if any - tracing is needed. - -Thu Mar 26 20:51:23 1998 Stu Grossman <grossman@bhuna.cygnus.co.uk> - - * table.c (table_push): Redo, using stdio. Fixes NT native - problem with <CRLF>=><LF> translation... - -Tue Mar 24 23:30:07 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-engine.c (print_run_body): Re-extract the CIA after - processing any events. - -Tue Mar 24 17:46:08 1998 Stu Grossman <grossman@bhuna.cygnus.co.uk> - - * Makefile.in: Get SHELL from configure. - * configure: Regenerate with autoconf 2.12.1 to fix shell issues for - NT native builds. - -Mon Mar 16 12:51:31 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * igen.c: Pass sim_cia to trace_prefix. - -Thu Feb 26 19:25:02 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * ld-insn.c (parse_function_record): Check models are valid. - (parse_function_record): Only discard function when no model is - common. - -Tue Feb 24 01:42:03 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-engine.c (print_run_body): Always wrap generated idecode - body in ENGINE_ISSUE_PREFIX_HOOK / ENGINE_ISSUE_POSTFIX_HOOK. - -Fri Feb 20 16:22:10 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * ld-insn.c (parse_function_record): When -Wnodiscard, suppress - discarded function warning. - - * igen.c (main): Clarify -Wnodiscard. - - * ld-insn.c (parse_function_record): For functions, allow use of - instruction style function model records - - * ld-insn.h (nr_function_model_fields): Define. - -Tue Feb 17 16:36:27 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * igen.c (print_itrace_prefix): Generate call to trace_prefix - instead of trace_one_insn. - (print_itrace): Generate trace_prefix call if any tracing enabled, - (print_itrace): Nest generated call to trace_generic inside - conditional for any tracing enabled. - (print_itrace_prefix): Do not pass PHASE to trace_prefix. - -Tue Feb 3 14:00:32 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-engine.c (print_run_body): Add bitsize suffix to IMEM macro. - * gen-icache.c (print_icache_body): Ditto. - * gen-idecode.c (print_idecode_ifetch): Ditto. - - * gen-icache.c (print_icache_body): Mark successive instruction - words as unused. - - * ld-insn.c (parse_insn_word): Only report insn-width problems - when warning enabled. - - * igen.h: Add flag for warning about invalid instruction widths. - * igen.c: Parse -Wwidth option. - - * gen-support.c (gen_support_h): Map instruction_word onto - <PREFIX>_instruction_word when needed. - (print_support_function_name): Use support prefix. - (gen_support_h): Ditto for <PREFIX>_idecode_issue. - -Sun Feb 1 11:08:48 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-support.c (gen_support_h): Generate new macro CPU_. - -Sat Jan 31 14:50:27 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-engine.c (gen_engine_h): Don't assume a model is present. - (gen_engine_c): Ditto. - - * igen.c (gen_run_c): Ditto. - - * gen-engine.c (print_run_body): Use CIA_GET & CIA_SET instead of - CPU_CIA. Parameterize with CPU argument. - -Fri Jan 30 09:09:39 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * gen.h (struct _gen_list): Replace processor with model. - - * igen.c (gen_idecode_h): Update. - (gen_run_c): For generated switch, use model->full_name. - - * gen.c (print_gen_entry_path): Ditto. - (make_table): Ditto. - (gen_entry_expand_insns): Ditto. - (make_gen_tables): Ditto. - - * igen.c (gen_run_c): Add extra argument `nr_cpus' to generated - function sim_engine_run. Pass argument on to engine_run. - - * gen-engine.c (print_engine_run_function_header): Add extra - argument `nr_cpus' to generated function engine_run. - (print_run_body): Fix SMP case. - - * gen-support.c (support_c_function): Call sim_engine_abort when - internal function fails to long jump. - -Wed Jan 21 18:00:22 1998 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-semantics.c (print_semantic_body): Use GPR_SET to zero - hardwired register. - -Wed Dec 17 14:49:03 1997 Jeffrey A Law (law@cygnus.com) - - * gen-semantics.c (print_semantic_body): Fix handling of - hardwired zero register. - -Tue Dec 9 12:45:00 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * igen.h (struct _igen_gen_options): Add member default_model. - - * igen.c (gen_run_c): Default to the first machine in the - multi-sim list. - (main): Add MODEL parameter to gen-multi-sim option. - - * gen.h (function_decl_type): Declare enum. - - * gen-engine.c (print_engine_run_function_header), gen-engine.h: - Make global, pass function_decl_type as argument. - (gen_engine_h, gen_engine_c): Update call. - - * gen-idecode.c (print_idecode_issue_function_header), - gen-idecode.h: Pass function_decl_type as argument. - - * igen.c (gen_idecode_h): For multi-sim, delcare global variable - idecode_issue. - - * igen.c (gen_run_c): For multi-sim, initialize globals - idecode_issue and engine_run. - -Fri Nov 14 10:51:44 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * ld-insn.c (parse_insn_model_record): Allow multiple model names - to be specified in a single instruction model record. - (dump_insn_model_entry): Update. - - * ld-insn.h (struct _insn_model_entry): Replace member name with - the filter names. Document syntax change. - -Wed Nov 12 15:45:40 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-engine.c (print_run_body): Add hooks for adding code before - and after an instruction has been issued. - -1997-11-04 Brendan Kehoe <brendan@lisa.cygnus.com> - - * gen-idecode.c (print_jump_until_stop_body): Use `#if 0' instead of - `#ifdef 0' around this. - -Tue Nov 4 08:18:29 1997 Michael Meissner <meissner@cygnus.com> - - * ld-decode.c (load_decode_table): Don't assume NULL is an integer - constant. - -Wed Oct 29 13:17:17 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * ld-insn.h: Document mnemonic string format. - -Tue Oct 28 10:50:35 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-icache.c (print_icache_extraction): Force result of atol to - unsigned. - - * ld-insn.c (parse_function_record): Separate handling of old and - ney fynction records. - (load_insn_table): For %s record, hack function name & type after - it has been parsed. - - * filter.h (filter_is_subset): Reverse argument names, wrong - order. - - * ld-insn.c (load_insn_table): Move include code to. - (parse_include_record): New function. Check for filtering of - include statement by both flags and models. - (load_insn_table): Check for model filtering of cache and model - records. - (parse_model_data_record): Check for model & flag filtering of - model data records. - (parse_function_record): Check for model & flag filtering of - function records. - - * ld-insn.h: Define record_filter_models_field. Add filter-models - field to all but instruction records. - (struct _function_entry, struct _cache_entry): Add models field. - (nr_function_fields): Make parm field mandatory. - -Mon Oct 27 15:14:26 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * igen.c (main): Change -I option to -I<directory>. Add optional - size to -Ggen-icache option. Add -Gno-... support. - - * igen.h (struct _igen_options): Add include field. - - * ld-insn.c (enum insn_record_type, insn_type_map): Add - include_record. - (load_insn_table): Call table_push when include record. - - * table.c (struct _open table, struct table): Make table object an - indirect ptr to the current table file. - (current_line, new_table_entry, next_line): Make file arg type - open_table. - (table_open): Use table_push. - (table_read): Point variable file at current table, at eof, pop - last open table. - - * table.h, table.c (table_push): New function. - -Thu Oct 16 11:03:27 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-semantics.c (print_semantic_body): Use CIA not - cia.ip. Escape newlines at end of generated call to - sim_engine_abort. - -Tue Oct 14 11:13:27 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * igen.c (print_itrace): Output line-ref to igen source file when - generating trace statements. - (print_itrace_prefix, print_itrace_format): Escape newline at end - of each line of generated call to trace function. - -Mon Oct 13 11:27:31 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-support.c (gen_support_h): Generate #define NIA. Definition - dependant on gen-delayed-branch mode. - - * ld-insn.c (parse_insn_mnemonic_record): Check for opening and - closing double quote in mnemonic field. - (parse_option_record): Add gen-delayed-branch option. - -Wed Oct 8 13:10:16 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * gen.c (insn_list_insert): Missing \n in warning. - - * ld-insn.c (load_insn_table): Only notify of discarded - instrctions when warn.discard enabled. - - * igen.h: Add option.warn.discard, default enabled. - - * igen.c (main): Add -Wnodiscard option. - - * ld-insn.c (record_type): For old record type, check the number - of fields is correct. - (load_insn_table): Allow insn assembler and insn model records to - appear in any order. - (parse_insn_model_record): Rename from parse_insn_model_records. - Parse only one record. - (parse_insn_mnemonic_record): Rename from - parse_insn_mnemonic_records. Parse only one record. - -Tue Sep 23 15:52:06 1997 Felix Lee <flee@yin.cygnus.com> - - * gen-itable.c (gen_itable_h): [nr_itable_* + 1] to avoid - illegal zero-sized array. - (itable_print_set): likewise, avoid empty initializers. - -Mon Sep 22 18:49:07 1997 Felix Lee <flee@cygnus.com> - - * configure.in: i386-windows is a cross, so don't expect - libiberty to be there. - * configure: updated. - -Fri Sep 19 10:36:30 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * igen.c (print_function_name): Put the format name after the - function / instruction name, not before. - (print_itrace): Better format trace code. - -Tue Sep 16 11:01:07 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * gen.c (insns_bit_useless): Don't treat string fields restricted - to a range of values as useless. - -Mon Sep 15 15:47:21 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * igen.c (gen_run_c): Handle non-multi-sim case. - - * gen-support.c (gen_support_h): Define SD_ - to replace _SD. - Define CIA from cia. - -Thu Sep 11 10:27:39 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-semantics.c (print_semantic_body): Trace the instruction - after it has been validated. - (print_semantic_body): Count the instruction using sim-profile. - -Wed Sep 10 13:35:37 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-itable.c (gen_itable_h): Collect summary info on instruction - table when traversing it. - (gen_itable_h): Output an enum defining the max size of each of - the itable string members. - -Tue Sep 9 03:30:26 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * igen.c (gen_run_c): New function. Generate sim_engine_run that - looks at the currently selected architecture. - - * gen-engine.c, gen-idecode.c: Add multi-sim support - generate - one engine per model. - - * gen-semantics.c, gen-icache.c gen-support.c: - Update. - - * ld-insn.h, ld-insn-h (load_insn_table): Rewrite. table.h only - returns a line at a time. Parse multi-word instructions. Add - multi-sim support. - - * table.h, table.c: Simplify. Only parse a single line at a time. - ld-insn can handle the rest. - - * filter.h, filter.c (filter_parse, filter_add, filter_is_subset, - filter_is_common, filter_is_member, filter_next): New filter - operations. - (dump_filter): Ditto. - - * gen.h, gen.c: New file. Takes the insn table and turns it into - a set of decode tables and semantic functions. - - * ld-insn.c: Copy generator code from here. - * gen.c: To here. - -Fri Aug 8 11:43:45 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * misc.h (NZALLOC): Allocate an N element array of TYPE. - - * table.h, table.c: Simplify table parser so that it only - understands colon delimited lines and code blocks. - (table_read): Parse '{' ... '}' as a code block. - (table_print_code): New function, print out a code block to file. - (main): Add suport for standalone testing. - - * ld-insn.h, ld-insn.c: - - -Mon Sep 1 11:41:12 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-idecode.c (error_leaf_contains_multiple_insn): Make static. - (print_jump_definition, print_jump, print_jump_internal_function, - print_jump_insn, print_jump_until_stop_body): Delete, moved to - sim-engine.c - - * igen.c (print_itrace_format): Delete unused variable chp. - (gen-engine.h): Include. - - * table.c (current_file_name, current_line_entry, - current_line_entry): Make static. - -Wed Aug 6 12:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * configure.in: Define AR_FOR_BUILD, AR_FLAGS_FOR_BUILD, - RANLIB_FOR_BUILD and CFLAGS_FOR_BUILD. - * configure.in: Include simulator common/aclocal.m4. - * configure.in: Add --enable-sim-warnings option. - * configure: Re-generate. - - * Makefile.in: Use. - - * Makefile.in (tmp-filter): New rule. - (igen.o, tmp-table, tmp-ld-decode, tmp-ld-cache, tmp-ld-insn, - ld-decode.o, ld-cache.o, ld-insn.o): Fix dependencies. - - * gen.h, gen.c: New files. - - * Makefile.in (gen.o, tmp-gen): New rules, update all - dependencies. - -Tue Jun 24 11:46:45 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * ld-insn.c (load_insn_table): Accept %s as a function type. - -Thu Jun 5 17:14:32 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * igen.c (print_itrace_prefix): Move printing of insn prefix to - here. - (print_itrace_format): Drop printing of MY_NAME in instruction - trace. Printing of insn prefix moved. - (print_itrace): Ditto. - -Fri May 30 11:27:37 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-icache.c (print_icache_function_header): Pass - table_line_entry instead of separate file and line. - - * table.c (table_entry_read): Set assembler source file/line-nr to - the current not initial file. - (table_entry_read): Fix line numbering of source files. - - table.h (table_line_entry): New structure. Exactly specifies a - source file/line-nr. - (table_*_entry): Add this to all. - - table.c (table_entry_print_cpp_line_nr): Change to use values from - a table_line_entry struct. - (table_entry_read): Save table_line_entry in all structures read. - - gen-icache.c, gen-support.c, gen-idecode.c, gen-semantics.c, - gen-model.c: Update all references. - -Thu May 29 10:29:57 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * igen.c (print_my_defines): Define MY_NAME - a string. For - MY_PREFIX, undefine the name of the function incase some dumb - header defined it. it. - (print_itrace): Use MY_NAME not MY_PREFIX. - - * lf.c (lf_write): New function write an N character buffer to the - file. - - * igen.c (print_itrace): When available, use the assembler to - print the insn-trace. - (print_itrace_prefix): New function, print first part of call to - print_one_insn. - (print_itrace_format): New function, print fmt argument for - print_one_insn. - - * table.c (table_entry_read): Save any assembler lines instead of - discarding them. - -Wed May 28 09:55:29 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-icache.c (print_icache_body): Process immeds. - - * gen-semantics.c (print_semantic_body): When computing NIA, skip - any immed words that follow the instruction word. - - * ld-insn.c (parse_insn_format): Parse immeds appended to an - instruction. - - * igen.c (main): Allow any register to be specified as the zero - register. - (semantic_zero_reg): Global, index to zero register. - - * gen-semantics.c (print_semantic_body): Zero selected register. - -Tue May 27 14:12:32 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * igen.h: Stop options and code gen type bit masks overlaping. - -Fri May 23 12:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-semantics.c (print_semantic_body): Incorrect test for - zero-r0 code. - -Fri May 16 14:32:31 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-semantics.c (print_semantic_body): Use common sim-engine - interface. - -Fri May 16 11:48:30 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-semantics.c (print_semantic_body): Add code to clear r0. - - * igen.c (main): Add new option zero-r0, which adds code to clear - GPR(0) each cycle. - -Wed May 7 12:31:30 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * igen.c (print_itrace): Fix so line-nr is passed to trace - function. - - * gen-idecode.c (print_idecode_validate): Correct FP code. - - * gen-support.c (gen_support_h): Always pass MY_INDEX to support - functions. - (print_support_function_name): Ditto. - -Tue May 6 06:12:04 1997 Mike Meissner <meissner@cygnus.com> - - * igen.c (print_itrace): Call trace_one_insn to trace - instructions, rather than doing it directly. - -Mon May 5 14:11:46 1997 Mike Meissner <meissner@cygnus.com> - - * gen-engine.c (engine_switch_leaf): Remove extra %s. - (print_engine_floating_point_unavailable): Wrap in #ifdef - UNUSED/#endif, until somebody uses it. - - * gen-idecode.c (error_leaf_contains_multiple_insn): Remove unused - variable. - (print_jump_until_stop_body): Wrap in #ifdef UNUSED/#endif, until - somebody uses it. - (print_idecode_validate): Use long formats to print long values. - - * gen-semantics.c (print_idecode_invalid): Set name to "unknown" - if we get an unexpected type. - -Fri May 2 13:28:06 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * igen.c (print_itrace): Pass SD as well as CPU to calls to - trace_printf. - - * gen-support.c (gen_support_h): Always pass sim_cia cia to - support functions. - (print_support_function_name): Ditto. - -Wed Apr 30 17:35:51 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * gen-support.c (support_c_function): Remove unnecessary memset of - cia. - * gen-semantics.c (print_semantic_body): Wasn't closing - generated comment. - -Tue Apr 29 11:11:12 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * ld-insn.c (load_insn_table): Report instructions that do not - have at least a format and name. - (insn_table_find_opcode_field): Check progress is being made. - - * gen-support.c (support_c_function): Report empty function body. - -Thu Apr 24 11:43:45 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * ld-insn.c (insn_table_expand_opcode): Allow reserved fields to - be broken up. - (insn_table_expand_insns): Allow special rules to apply to groups - of instructions when all members of the group match the special - mask/value. - - * gen-semantics.c (print_c_semantic): Ditto. - * igen.c (print_semantic_function_formal): Ditto. - (print_semantic_function_type): Ditto. - * igen.c (print_icache_function_formal): Ditto. - * gen-idecode.c (print_idecode_issue_function_body): Ditto. - - * gen-idecode.c (gen_idecode_h): Prepend the global_prefix to the - instruction_address type. - - * gen-semantics.c (print_semantic_body): Call cpu_error when an - unimplemented instruction is encountered - gives the interpreter - the chance to stop correctly. - -Wed Apr 23 20:06:36 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * igen.c (print_function_name): Allow dot's in instruction names. - -Tue Apr 22 21:46:28 1997 Andrew Cagney <cagney@b1.cygnus.com> - - * igen.c (main), igen.h: Support new option - delayed-branch - - generate code to drive a delayed branch processor. - - * gen-idecode.c (gen_idecode_h): Define instruction_address type. - - * igen.c (print_icache_function_formal): Replace address_word with - instruction_address. - (print_semantic_function_formal): Ditto. - (print_semantic_function_type): Ditto. - * gen-idecode.c (print_idecode_issue_function_body): Ditto. - - * gen-semantics.c (print_semantic_body): Ditto. - (print_c_semantic): Ditto. - - * gen-support.c (support_c_function): Return a zeroed CIA instead - of just zero - works with any cia type. - - * igen.c (print_itrace): For delayed branch case, print just the - current instruction. - -Thu Apr 17 07:02:33 1997 Doug Evans <dje@canuck.cygnus.com> - - * igen.c (print_itrace): Use TRACE_FOO_P and trace_printf. - -Tue Apr 15 15:20:31 1997 Ian Lance Taylor <ian@cygnus.com> - - * Makefile.in (INSTALL): Set to @INSTALL@. - (INSTALL_XFORM, INSTALL_XFORM1): Remove. - -Mon Apr 14 16:29:34 1997 Ian Lance Taylor <ian@cygnus.com> - - * Makefile.in (INSTALL): Change install.sh to install-sh. - -Wed Apr 2 18:51:20 1997 Doug Evans <dje@canuck.cygnus.com> - - * gen-support.c (gen_support_c): sim-state.h renamed to sim-main.h. - * gen-idecode.c (gen_idecode_c): Likewise. - * igen.c (gen_semantics_c): Likewise. - -Mon Mar 24 10:10:08 1997 Andrew Cagney <cagney@kremvax.cygnus.com> - - * gen-icache.c (print_icache_body): No longer define cpu/sd, - support.h now defines CPU/SD globally. - - * gen-model.c (gen_model_h): Ditto. - - * gen-idecode.c (print_idecode_issue_function_body): Ditto. - (print_jump): Ditto. - (print_jump_until_stop_body): Ditto. - (print_idecode_validate): Ditto. - - * gen-icache.c (print_icache_body): Ditto. - - * gen-semantics.c (print_semantic_body): Ditto. - - * igen.c (print_semantic_function_formal): Rename cpu to sim_cpu, - processor to cpu. - (print_icache_function_formal): Ditto. - - * gen-support.c (print_support_function_name): Include sd/cpu arg - in support function argument list. - (support_c_function): Generate code to cpu/sd from sd/cpu. - (gen_support_h): Define _SD the argument prefix for all support - functions. Define SD/CPU to determine sd/cpu from value of _SD - macro. - -Tue Mar 18 15:52:24 1997 Andrew Cagney <cagney@kremvax.cygnus.com> - - * gen-support.c (gen_support_c): Update for renaming of engine to - sim-state. - - * igen.c: Ditto. - * gen-idecode.c (gen_idecode_c): Ditto. - -Mon Mar 17 15:17:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com> - - * ld-decode.c (load_decode_table): Rename slash to reserved. - (dump_decode_rule): Ditto. - - * ld-insn.c (parse_insn_format): Differentiate between a `/' - - reserved bit - and a `*' - wild card. - (parse_insn_format): Change is_slash to more informative reserved. - (dump_insn_field): Ditto. - (insn_field_is_constant): Ditto. - (insn_table_expand_opcode): Ditto. - - * gen-idecode.c (print_idecode_validate): Make check_mask and - check_val the correct integer size. - (print_idecode_validate): Fix reserved bit check for 64 bit - targets. - -Fri Mar 14 11:24:06 1997 Andrew Cagney <cagney@kremvax.cygnus.com> - - * ld-insn.c (parse_insn_format): Accept '*' as an alternative of - `/' in bit fields. `/' denotes a wild bit. - -Fri Mar 7 18:20:38 1997 Andrew Cagney <cagney@kremvax.cygnus.com> - - * igen.h, igen.c (main): New options. Control generation of - conditional issue and slot verification code. - -Fri Mar 7 18:17:25 1997 Andrew Cagney <cagney@kremvax.cygnus.com> - - * gen-support.c (print_support_function_name): Prepend the global - name prefix when applicable. Provide #define to map the user - specified name the generated globaly unique one. - -Fri Mar 7 18:07:45 1997 Andrew Cagney <cagney@kremvax.cygnus.com> - - * gen-idecode.c (print_idecode_validate): Wrap each of the checks - - reserved bits, floating point and slot validation - with a - #ifdef so that they are optional. - -Fri Mar 7 16:35:13 1997 Andrew Cagney <cagney@kremvax.cygnus.com> - - * gen-idecode.c (error_leaf_contains_multiple_insn): New function - - report the error of a leaf node in the decision tree containing - several instructions. - (print_idecode_table_leaf): Detect a leaf with multiple instructions. - (print_idecode_switch_leaf): Ditto. - - * gen-semantics.h, gen-semantics.c (print_idecode_illegal, - print_idecode_invalid): Rename former to latter. Add argument so - that one function can generate all invalid instruction cases - - illegal, fp-unavailable, wrong-slot. - * gen-engine.c: Update. - - * gen-idecode.c: Use print_idecode_invalid to generate a function - call for cases when fp-unavailable and the slot is wrong. - - * gen-idecode.c (print_idecode_validate): New check, generate code - to verify that the instruction slot is correct. - - * igen.c (main): Simplify options. - -Wed Mar 5 09:55:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com> - - * igen.c (print_itrace): Remove source line reference for trace - code - let the user see the generated file. - (print_itrace): Print the trace code rather than reference a - macro. - -Tue Mar 4 17:31:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com> - - * igen.c (print_semantic_function_actual): Pass either the - processor - smp - or the engine - mono - into semantic functions. - Don't pass in both. - - * gen-icache.c (print_icache_body): Dependant on smp, derive - processor from engine or engine from processor, and hence ensuring - that both are defined in all semantic functions. - -Mon Mar 3 17:11:21 1997 Andrew Cagney <cagney@kremvax.cygnus.com> - - * ld-insn.c (parse_insn_format): Make the width field optional. - If missing assume that the number of characters in the value - determines the number of bits in the field. - -Thu Feb 27 11:27:48 1997 Andrew Cagney <cagney@kremvax.cygnus.com> - - * ld-insn.c (insn_table_expand_opcode): Replace assertion with - more useful error message. - -Tue Feb 25 16:43:27 1997 Andrew Cagney <cagney@kremvax.cygnus.com> - - * misc.c (error): Output errors on stderr. - - * ld-insn.c (parse_insn_format): Skip any leading spaces. - Verify the width of instructions being parsed. - - * table.c (table_entry_read): Parse CPP's convention for - specifying original file name/line-nr. - -Wed Feb 19 12:30:28 1997 Andrew Cagney <cagney@critters.cygnus.com> - - * ld-insn.c (parse_insn_format): Allow trailing spaces in - instruction fields. - - * Makefile.in: Create using ../ppc/Makefile.in as a starting - point. - * configure.in: Ditto vis ../ppc/configure.in - -Mon Feb 17 10:44:18 1997 Andrew Cagney <cagney@critters.cygnus.com> - - * gen-support.c (gen_support_c): Always include engine.h instead - of cpu.h - * gen-idecode.c (gen_idecode_c): Ditto. - - * words.h (instruction_word): Remove instruction_word - now - generated by igen. - (address_word): New. Used by igen. - - * lf.c (lf_print_function_type_function): New, pass a function to - print out the type instead of a constant string. - - * igen.h, igen.c (print_semantic_function_formal, - SEMANTIC_FUNCTION_FORMAL): Relace macro with function. - (print_semantic_function_actual, SEMANTIC_FUNCTION_ACTUAL): Ditto. - (print_semantic_function_type, SEMANTIC_FUNCTION_TYPE): Ditto. - (print_icache_function_type, ICACHE_FUNCTION_TYPE): Ditto. - (print_icache_function_formal, ICACHE_FUNCTION_FORMAL): Ditto. - (print_icache_function_actual, ICACHE_FUNCTION_ACTUAL): Ditto. - * gen-idecode.c (print_idecode_table): Update. - (idecode_switch_leaf): Update. - (print_idecode_switch_function_header): Ditto. - (print_idecode_floating_point_unavailable): Ditto. - (print_idecode_issue_function_header): Ditto. - * igen.c (gen_icache_h): Ditto. - * gen-engine.c (print_engine_table): Ditto. - (engine_switch_leaf): Ditto. - * gen-support.c (print_support_function_name): Ditto. - * gen-semantics.c (print_semantic_function_header): Update. - Update. - * gen-icache.c (print_icache_function_header): Update. - (print_icache_function): Update. - (print_icache_internal_function_declaration): Update. - (print_icache_internal_function_definition): Update. - - * gen-idecode.c (gen_idecode_h): Drop including of idecode_*.h - files, will at some stage need to move it into support. - - * igen.h, igen.c (main): New option -e <engine> - generate a full - simulation engine. Previously this was the -d <idecode-file> - option. - * gen-engine.h, gen-engine.c: Copies of gen-idecode.*. Will need - to clean these up so that that call upon the updated gen-idecode - code. - - * gen-idecode.h, gen-idecode.c: Prune out any code not relevant to - generating a decode table. - - * Makefile.in (igen): Add dependencies for new gen-engine.* files. - - * igen.h, igen.c (main): New option -M - Control what is returned - by semantic functions - -1/NIA vs CIA+N/NIA. Add - generate_semantic_returning_modified_nia_only to igen_code enum. - * gen-semantics.c (print_semantic_body): As an alternative, make - NIA == -1 instead of CIA+insn_size by default. - - * igen.h, igen.c (main, global_name_prefix, global_uname_prefix): - New option -P <prefix> - Prepend all generated functions with the - specified prefix. - (gen_idecode_c): Adjust. - * gen-icache.c (print_icache_struct): Ditto. - * gen-support.c (gen_support_c): Ditto. - -Sun Feb 16 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com> - - * igen.c (main): Correct usage. Missleading message about ucase - options dumping internal tables. -F now includes rather then - excludes instructions. - - * misc.h, misc.c (a2i): Make 64bit. - - * ld-insn.h (max_insn_bit_size, default_insn_bit_size): Increase - max to 64bits, expect trouble. Make the default 32 bits. - * gen-idecode.c (print_idecode_table): Change EXTRACTED* - et.al. macro's to use the insn_bit_size instead of assuming 32 - bits. - * gen-icache.c (print_icache_extraction): Ditto. - * gen-idecode.c (idecode_switch_start): Ditto. - * gen-idecode.c (gen_idecode_c): Ditto - - * igen.h (insn_specifying_widths), igen.c (main): New option -W. - Indicates that the instruction field of the table is specifying - bit widths instead of bit offsets. - * ld-insn.c (parse_insn_format): Parse instruction fields - specifying widths. - - * misc.c (a2i): Allow binary numbers to be specified using the - syntax 0bNNNN. - * ld-insn.c: Allow such numbers to appear in the instruction - format. - - * table.c (table_entry_read): Make // a valid comment character. - (table_entry_read): Skip lines containing a leading " - these may - eventually be used in a disasembler. - -Fri Feb 14 15:23:15 1997 Andrew Cagney <cagney@critters.cygnus.com> - - * filter.c, filter.h, gen-engine.c, gen-engine.h, gen-icache.c, - gen-icache.h, gen-idecode.c, gen-idecode.h, gen-itable.c, - gen-itable.h, gen-model.c, gen-model.h, gen-semantics.c, - gen-semantics.h, gen-support.c, gen-support.h, igen.c, igen.h, - ld-cache.c, ld-cache.h, ld-decode.c, ld-decode.h, ld-insn.c, - ld-insn.h, lf.c, lf.h, misc.c, misc.h, table.c, table.h: Copy in - from the ../ppc directory. - - * filter_host.c, filter_host.h: Copy in from the ../ppc directory - renaming from filter_filename.[hc] diff --git a/sim/igen/Makefile.in b/sim/igen/Makefile.in deleted file mode 100644 index 5c64c3b..0000000 --- a/sim/igen/Makefile.in +++ /dev/null @@ -1,175 +0,0 @@ -# -# This file is part of the program psim. -# -# Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au> -# Copyright (C) 1997, Free Software Foundation, Inc. -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -# - -default: all - -VPATH = @srcdir@ -srcdir = @srcdir@ -srcroot = $(srcdir)/../.. - -prefix = @prefix@ -exec_prefix = @exec_prefix@ - -host_alias = @host_alias@ -target_alias = @target_alias@ -program_transform_name = @program_transform_name@ -bindir = @bindir@ -libdir = @libdir@ -tooldir = $(libdir)/$(target_alias) - -datadir = @datadir@ -mandir = @mandir@ -man1dir = $(mandir)/man1 -man2dir = $(mandir)/man2 -man3dir = $(mandir)/man3 -man4dir = $(mandir)/man4 -man5dir = $(mandir)/man5 -man6dir = $(mandir)/man6 -man7dir = $(mandir)/man7 -man8dir = $(mandir)/man8 -man9dir = $(mandir)/man9 -infodir = @infodir@ -includedir = @includedir@ - -SHELL = /bin/sh - -INSTALL = $(srcroot)/install.sh -c -INSTALL_PROGRAM = @INSTALL_PROGRAM@ -INSTALL_DATA = @INSTALL_DATA@ -INSTALL_XFORM = $(INSTALL) -t='$(program_transform_name)' -INSTALL_XFORM1= $(INSTALL_XFORM) -b=.1 - -AR = @AR@ -AR_FLAGS = rc -CC = @CC@ -CFLAGS = @CFLAGS@ -CC_FOR_BUILD = @CC_FOR_BUILD@ -BISON = bison -MAKEINFO = makeinfo -RANLIB = @RANLIB@ - -STD_CFLAGS = $(CFLAGS) $(INLINE_CFLAGS) $(CONFIG_CFLAGS) $(WARNING_CFLAGS) $(SIM_CFLAGS) $(HDEFINES) $(TDEFINES) $(INCLUDES) -NOWARN_CFLAGS = $(CFLAGS) $(INLINE_CFLAGS) $(CONFIG_CFLAGS) $(SIM_CFLAGS) $(HDEFINES) $(TDEFINES) $(INCLUDES) -BUILD_CFLAGS = -g -O $(INCLUDES) $(WARNING_CFLAGS) - -BUILD_LDFLAGS = - -.NOEXPORT: -MAKEOVERRIDES= - -LIB_INCLUDES = -I$(srcdir)/../../include -INCLUDES = -I. -I$(srcdir) $(LIB_INCLUDES) - -LIBIBERTY_LIB = ../../libiberty/libiberty.a - - -IGENLIB= libigen.a - -all: igen $(IGENLIB) - -.c.o: - $(CC_FOR_BUILD) -c $(STD_CFLAGS) $< - -filter_filename.o: filter_filename.c filter_filename.h config.h ppc-config.h - -igen: igen.o $(IGENLIB) - $(CC_FOR_BUILD) $(BUILD_CFLAGS) $(BUILD_LDFLAGS) -o igen igen.o $(IGENLIB) $(LIBIBERTY_LIB) - -IGEN_OBJS=\ - table.o \ - lf.o misc.o \ - filter_host.o \ - ld-decode.o \ - ld-cache.o \ - filter.o \ - ld-insn.o \ - gen-model.o \ - gen-itable.o \ - gen-icache.o \ - gen-semantics.o \ - gen-idecode.o \ - gen-support.o \ - gen-engine.o - -igen.o: igen.c misc.h filter_host.h lf.h table.h ld-decode.h ld-cache.h ld-insn.h filter.h gen-model.h gen-itable.h gen-icache.h gen-idecode.h gen-engine.h gen-semantics.h gen-support.h igen.h - $(CC_FOR_BUILD) $(BUILD_CFLAGS) -c $(srcdir)/igen.c - -$(IGENLIB): $(IGEN_OBJS) - rm -f $(IGENLIB) - $(AR) $(AR_FLAGS) $(IGENLIB) $(IGEN_OBJS) - $(RANLIB) $(IGENLIB) - - -tmp-filter: filter.c misc.h misc.o - $(CC_FOR_BUILD) $(BUILD_CFLAGS) $(BUILD_LDFLAGS) -o tmp-filter -DMAIN $(srcdir)/filter.c misc.o $(BUILD_LIBS) - -tmp-ld-decode: ld-decode.o misc.o lf.o table.o filter_host.o - $(CC_FOR_BUILD) $(BUILD_CFLAGS) $(BUILD_LDFLAGS) -o tmp-ld-decode -DMAIN $(srcdir)/ld-decode.c misc.o lf.o table.o filter_host.o $(BUILD_LIBS) - -tmp-ld-cache: ld-cache.o misc.o lf.o table.o filter_host.o - $(CC_FOR_BUILD) $(BUILD_CFLAGS) $(BUILD_LDFLAGS) -o tmp-ld-cache -DMAIN $(srcdir)/ld-cache.c misc.o lf.o table.o filter_host.o $(BUILD_LIBS) - -tmp-ld-insn: ld-insn.o misc.o lf.o table.o ld-decode.o filter_host.o filter.o - $(CC_FOR_BUILD) $(BUILD_CFLAGS) $(BUILD_LDFLAGS) -o tmp-ld-insn -DMAIN $(srcdir)/ld-insn.c misc.o lf.o table.o ld-decode.o filter_host.o filter.o $(BUILD_LIBS) - -filter_host.o: filter_host.c filter_host.h -table.o: table.c misc.h filter_host.h lf.h table.h -lf.o: lf.c misc.h filter_host.h lf.h -filter.o: filter.c misc.h lf.h table.h filter.h -ld-decode.o: ld-decode.c misc.h lf.h table.h ld-decode.h -ld-cache.o: ld-cache.c misc.h lf.h table.h ld-cache.h -ld-insn.o: ld-insn.c misc.h lf.h table.h ld-insn.h ld-decode.h igen.h -gen-model.o: gen-model.c misc.h lf.h table.h gen-model.h ld-decode.h igen.h ld-insn.h -gen-itable.o: gen-itable.c misc.h lf.h table.h gen-itable.h ld-decode.h igen.h ld-insn.h igen.h -gen-icache.o: gen-icache.c misc.h lf.h table.h gen-icache.h ld-decode.h igen.h ld-insn.h gen-semantics.h gen-idecode.h -gen-semantics.o: gen-semantics.c misc.h lf.h table.h gen-semantics.h ld-decode.h igen.h ld-insn.h -gen-idecode.o: gen-idecode.c misc.h lf.h table.h gen-idecode.h gen-icache.h gen-semantics.h ld-decode.h igen.h ld-insn.h -gen-engine.o: gen-engine.c misc.h lf.h table.h gen-idecode.h gen-engine.h gen-icache.h gen-semantics.h ld-decode.h igen.h ld-insn.h -gen-support.o: gen-support.c misc.h lf.h table.h gen-support.h ld-decode.h igen.h ld-insn.h -misc.o: misc.c misc.h filter_host.h - - -tags etags: TAGS - -TAGS: - etags $(srcdir)/*.h $(srcdir)/*.c - -clean mostlyclean: - rm -f tmp-* *.[oasi] core igen - -distclean realclean: clean - rm -f TAGS Makefile config.cache config.status config.h defines.h stamp-h config.log - -maintainer-clean: distclean - rm -f *~ *.log ppc-config.h core *.core - -Makefile: Makefile.in config.status - CONFIG_FILES=Makefile CONFIG_HEADERS= $(SHELL) ./config.status - -config.h: stamp-h ; @true -stamp-h: config.in config.status - CONFIG_FILES= CONFIG_HEADERS=config.h:config.in $(SHELL) ./config.status - -config.status: configure - $(SHELL) ./config.status --recheck - -install: -# diff --git a/sim/igen/acconfig.h b/sim/igen/acconfig.h deleted file mode 100644 index f9b87a1..0000000 --- a/sim/igen/acconfig.h +++ /dev/null @@ -1,15 +0,0 @@ - -/* Define to 1 if NLS is requested. */ -#undef ENABLE_NLS - -/* Define as 1 if you have catgets and don't want to use GNU gettext. */ -#undef HAVE_CATGETS - -/* Define as 1 if you have gettext and don't want to use GNU gettext. */ -#undef HAVE_GETTEXT - 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This is necessary, for -# example, in the case of _POSIX_SOURCE, which is predefined and required -# on some systems where configure will not decide to define it. -cat >> conftest.vals <<\EOF -s%^[ ]*#[ ]*undef[ ][ ]*[a-zA-Z_][a-zA-Z_0-9]*%/* & */% -EOF - -# Break up conftest.vals because some shells have a limit on -# the size of here documents, and old seds have small limits too. - -rm -f conftest.tail -while : -do - ac_lines=`grep -c . conftest.vals` - # grep -c gives empty output for an empty file on some AIX systems. - if test -z "$ac_lines" || test "$ac_lines" -eq 0; then break; fi - # Write a limited-size here document to conftest.frag. - echo ' cat > conftest.frag <<CEOF' >> $CONFIG_STATUS - sed ${ac_max_here_lines}q conftest.vals >> $CONFIG_STATUS - echo 'CEOF - sed -f conftest.frag conftest.in > conftest.out - rm -f conftest.in - mv conftest.out conftest.in -' >> $CONFIG_STATUS - sed 1,${ac_max_here_lines}d conftest.vals > conftest.tail - rm -f conftest.vals - mv conftest.tail conftest.vals -done -rm -f conftest.vals - -cat >> $CONFIG_STATUS <<\EOF - rm -f conftest.frag conftest.h - echo "/* $ac_file. Generated automatically by configure. */" > conftest.h - cat conftest.in >> conftest.h - rm -f conftest.in - if cmp -s $ac_file conftest.h 2>/dev/null; then - echo "$ac_file is unchanged" - rm -f conftest.h - else - # Remove last slash and all that follows it. Not all systems have dirname. - ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'` - if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then - # The file is in a subdirectory. - test ! -d "$ac_dir" && mkdir "$ac_dir" - fi - rm -f $ac_file - mv conftest.h $ac_file - fi -fi; done - -EOF -cat >> $CONFIG_STATUS <<EOF - -EOF -cat >> $CONFIG_STATUS <<\EOF -case x$CONFIG_HEADERS in xconfig.h:config.in) echo > stamp-h ;; esac -exit 0 -EOF -chmod +x $CONFIG_STATUS -rm -fr confdefs* $ac_clean_files -test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1 - diff --git a/sim/igen/configure.in b/sim/igen/configure.in deleted file mode 100644 index 20836d9..0000000 --- a/sim/igen/configure.in +++ /dev/null @@ -1,52 +0,0 @@ -dnl Process this file with autoconf to produce a configure script. -sinclude(../common/aclocal.m4) -AC_PREREQ(2.5)dnl -AC_INIT(table.h) - -AC_PROG_INSTALL -AC_PROG_CC - -SIM_AC_OPTION_WARNINGS - -# Put a plausible default for CC_FOR_BUILD in Makefile. -if test "x$cross_compiling" = "xno" -a "x$host" != "xi386-windows"; then - AR_FOR_BUILD='$(AR)' - AR_FLAGS_FOR_BUILD='$(AR_FLAGS)' - CC_FOR_BUILD='$(CC)' - CFLAGS_FOR_BUILD='$(CFLAGS)' - RANLIB_FOR_BUILD='$(RANLIB)' - LIBIBERTY_LIB=../../libiberty/libiberty.a -else - AR_FOR_BUILD=${AR_FOR_BUILD-ar} - AR_FLAGS_FOR_BUILD=${AR_FLAGS_FOR_BUILD-rc} - CC_FOR_BUILD=${CC_FOR_BUILD-gcc} - CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-"-g"} - RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} - LIBIBERTY_LIB= -fi - - -AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/../..) -AC_CANONICAL_SYSTEM -AC_ARG_PROGRAM - -. ${srcdir}/../../bfd/configure.host - -AC_CONFIG_HEADER(config.h:config.in) - -AC_CHECK_HEADERS(stdlib.h string.h strings.h sys/stat.h sys/types.h unistd.h) -AC_HEADER_DIRENT - -AC_SUBST(AR_FOR_BUILD) -AC_SUBST(AR_FLAGS_FOR_BUILD) -AC_SUBST(CC_FOR_BUILD) -AC_SUBST(CFLAGS_FOR_BUILD) -AC_SUBST(RANLIB_FOR_BUILD) -AC_SUBST(LIBIBERTY_LIB) - -AC_SUBST(AR) -AC_SUBST(CFLAGS) -AC_PROG_RANLIB - -AC_OUTPUT(Makefile, -[case x$CONFIG_HEADERS in xconfig.h:config.in) echo > stamp-h ;; esac]) diff --git a/sim/igen/filter.c b/sim/igen/filter.c deleted file mode 100644 index c901a17..0000000 --- a/sim/igen/filter.c +++ /dev/null @@ -1,150 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - -#include <stdio.h> - -#include "config.h" - -#ifdef HAVE_STRING_H -#include <string.h> -#else -#ifdef HAVE_STRINGS_H -#include <strings.h> -#endif -#endif - -#include "misc.h" -#include "filter.h" - -struct _filter { - char *flag; - filter *next; -}; - - -filter * -new_filter(const char *filt, - filter *filters) -{ - while (strlen(filt) > 0) { - filter *new_filter; - /* break up the filt list */ - char *end = strchr(filt, ','); - char *next; - int len; - if (end == NULL) { - end = strchr(filt, '\0'); - next = end; - } - else { - next = end + 1; - } - len = end - filt; - /* add to filter list */ - new_filter = ZALLOC(filter); - new_filter->flag = (char*)zalloc(len + 1); - strncpy(new_filter->flag, filt, len); - new_filter->next = filters; - filters = new_filter; - filt = next; - } - return filters; -} - - -int -is_filtered_out(const char *flags, - filter *filters) -{ - while (strlen(flags) > 0) { - int present; - filter *filt = filters; - /* break the string up */ - char *end = strchr(flags, ','); - char *next; - int len; - if (end == NULL) { - end = strchr(flags, '\0'); - next = end; - } - else { - next = end + 1; - } - len = end - flags; - /* check that it is present */ - present = 0; - filt = filters; - while (filt != NULL) { - if (strncmp(flags, filt->flag, len) == 0 - && strlen(filt->flag) == len) { - present = 1; - break; - } - filt = filt->next; - } - if (!present) - return 1; - flags = next; - } - return 0; -} - - -int -it_is(const char *flag, - const char *flags) -{ - int flag_len = strlen(flag); - while (*flags != '\0') { - if (!strncmp(flags, flag, flag_len) - && (flags[flag_len] == ',' || flags[flag_len] == '\0')) - return 1; - while (*flags != ',') { - if (*flags == '\0') - return 0; - flags++; - } - flags++; - } - return 0; -} - - -#ifdef MAIN -int -main(int argc, char **argv) -{ - filter *filters = NULL; - int i; - if (argc < 2) { - printf("Usage: filter <flags> <filter> ...\n"); - exit (1); - } - /* load the filter up */ - for (i = 2; i < argc; i++) - filters = new_filter(argv[i], filters); - if (is_filtered_out(argv[1], filters)) - printf("fail\n"); - else - printf("pass\n"); - return 0; -} -#endif diff --git a/sim/igen/filter.h b/sim/igen/filter.h deleted file mode 100644 index 814f704..0000000 --- a/sim/igen/filter.h +++ /dev/null @@ -1,43 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - -typedef struct _filter filter; - - -/* append the filter onto the end of the list */ - -extern filter *new_filter -(const char *filt, - filter *filters); - - -/* returns true if the flags are non empty and some are missing from the filter list */ - -extern int is_filtered_out -(const char *flags, - filter *filters); - -/* true if the flag is in the list */ - -extern int it_is -(const char *flag, - const char *flags); - diff --git a/sim/igen/filter_host.c b/sim/igen/filter_host.c deleted file mode 100644 index c15fef1..0000000 --- a/sim/igen/filter_host.c +++ /dev/null @@ -1,37 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - -#include "config.h" -#include "filter_host.h" - -/* Shorten traces by eliminating the directory component to filenames. */ -const char * -filter_filename (const char *filename) -{ - const char *p = filename; - const char *last = filename; - int ch; - - while ((ch = *p++) != '\0' && ch != ':') - if (ch == '/') - last = p; - - return last; -} diff --git a/sim/igen/filter_host.h b/sim/igen/filter_host.h deleted file mode 100644 index a60b4f2..0000000 --- a/sim/igen/filter_host.h +++ /dev/null @@ -1,27 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - -#ifndef _FILTER_FILENAME_H -#define _FILTER_FILENAME_H - -/* Remove directory part from filename */ -extern const char * -filter_filename(const char *filename); -#endif diff --git a/sim/igen/gen-engine.c b/sim/igen/gen-engine.c deleted file mode 100644 index 3b83c3f..0000000 --- a/sim/igen/gen-engine.c +++ /dev/null @@ -1,789 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - -#include "misc.h" -#include "lf.h" -#include "table.h" -#include "filter.h" - -#include "igen.h" - -#include "ld-insn.h" -#include "ld-decode.h" - -#include "gen.h" - -#include "gen-idecode.h" -#include "gen-engine.h" -#include "gen-icache.h" -#include "gen-semantics.h" - - -static void -print_run_body (lf *file, - gen_entry *table) -{ - /* Output the function to execute real code: - - Unfortunatly, there are multiple cases to consider vis: - - <icache> X <smp> - - Consequently this function is written in multiple different ways */ - - lf_printf (file, "{\n"); - lf_indent (file, +2); - if (!options.gen.smp) - { - lf_printf (file, "instruction_address cia;\n"); - } - lf_printf (file, "int current_cpu = next_cpu_nr;\n"); - - if (options.gen.icache) - { - lf_printf (file, "/* flush the icache of a possible break insn */\n"); - lf_printf (file, "{\n"); - lf_printf (file, " int cpu_nr;\n"); - lf_printf (file, " for (cpu_nr = 0; cpu_nr < nr_cpus; cpu_nr++)\n"); - lf_printf (file, " cpu_flush_icache (STATE_CPU (sd, cpu_nr));\n"); - lf_printf (file, "}\n"); - } - - if (!options.gen.smp) - { - - lf_putstr (file, " -/* CASE 1: NO SMP (with or with out instruction cache). - -In this case, we can take advantage of the fact that the current -instruction address (CIA) does not need to be read from / written to -the CPU object after the execution of an instruction. - -Instead, CIA is only saved when the main loop exits. This occures -when either sim_engine_halt or sim_engine_restart is called. Both of -these functions save the current instruction address before halting / -restarting the simulator. - -As a variation, there may also be support for an instruction cracking -cache. */ - -"); - - lf_putstr (file, "\n"); - lf_putstr (file, "/* prime the main loop */\n"); - lf_putstr (file, "SIM_ASSERT (current_cpu == 0);\n"); - lf_putstr (file, "SIM_ASSERT (nr_cpus == 1);\n"); - lf_putstr (file, "cia = CIA_GET (CPU);\n"); - - lf_putstr (file, "\n"); - lf_putstr (file, "while (1)\n"); - lf_putstr (file, " {\n"); - lf_indent (file, +4); - - lf_printf (file, "%sinstruction_address nia;\n", - options.prefix.global.name); - - lf_printf (file, "\n"); - if (!options.gen.icache) - { - lf_printf (file, "%sinstruction_word instruction_0 = IMEM (cia);\n", - options.prefix.global.name); - lf_printf (file, "\n"); - lf_indent_suppress (file); - lf_printf (file, "#if defined (%sENGINE_ISSUE_PREFIX_HOOK)\n", - options.prefix.global.name); - lf_printf (file, "%sENGINE_ISSUE_PREFIX_HOOK();\n", - options.prefix.global.name); - lf_indent_suppress (file); - lf_printf (file, "#endif\n"); - lf_printf (file, "\n"); - print_idecode_body (file, table, "nia = "); - lf_printf (file, "\n"); - lf_indent_suppress (file); - lf_printf (file, "#if defined (%sENGINE_ISSUE_POSTFIX_HOOK)\n", - options.prefix.global.name); - lf_printf (file, "%sENGINE_ISSUE_POSTFIX_HOOK();\n", - options.prefix.global.name); - lf_indent_suppress (file); - lf_printf (file, "#endif\n"); - lf_printf (file, "\n"); - } - else - { - lf_putstr (file, "idecode_cache *cache_entry =\n"); - lf_putstr (file, " cpu_icache_entry (cpu, cia);\n"); - lf_putstr (file, "if (cache_entry->address == cia)\n"); - lf_putstr (file, " {\n"); - lf_indent (file, -4); - lf_putstr (file, "/* cache hit */\n"); - lf_putstr (file, "idecode_semantic *const semantic = cache_entry->semantic;\n"); - lf_putstr (file, "cia = semantic (cpu, cache_entry, cia);\n"); - /* tail */ - lf_indent (file, -4); - lf_putstr (file, " }\n"); - lf_putstr (file, "else\n"); - lf_putstr (file, " {\n"); - lf_indent (file, +4); - lf_putstr (file, "/* cache miss */\n"); - if (!options.gen.semantic_icache) - { - lf_putstr (file, "idecode_semantic *semantic;\n"); - } - lf_putstr (file, "instruction_word instruction = IMEM (cia);\n"); - lf_putstr (file, "if (WITH_MON != 0)\n"); - lf_putstr (file, " mon_event (mon_event_icache_miss, cpu, cia);\n"); - if (options.gen.semantic_icache) - { - lf_putstr (file, "{\n"); - lf_indent (file, +2); - print_idecode_body (file, table, "nia ="); - lf_indent (file, -2); - lf_putstr (file, "}\n"); - } - else - { - print_idecode_body (file, table, "semantic ="); - lf_putstr (file, "nia = semantic (cpu, cache_entry, cia);\n"); - } - lf_indent (file, -4); - lf_putstr (file, " }\n"); - } - - /* update the cpu if necessary */ - switch (options.gen.nia) - { - case nia_is_cia_plus_one: - lf_printf (file, "\n"); - lf_printf (file, "/* Update the instruction address */\n"); - lf_printf (file, "cia = nia;\n"); - break; - case nia_is_void: - case nia_is_invalid: - ERROR ("engine gen when NIA complex"); - } - - /* events */ - lf_putstr (file, "\n"); - lf_putstr (file, "/* process any events */\n"); - lf_putstr (file, "if (sim_events_tick (sd))\n"); - lf_putstr (file, " {\n"); - lf_putstr (file, " CIA_SET (CPU, cia);\n"); - lf_putstr (file, " sim_events_process (sd);\n"); - lf_putstr (file, " }\n"); - - lf_indent (file, -4); - lf_printf (file, " }\n"); - } - - if (options.gen.smp) - { - - lf_putstr (file, " -/* CASE 2: SMP (With or without ICACHE) - -The complexity here comes from needing to correctly halt the simulator -when it is aborted. For instance, if cpu0 requests a restart then -cpu1 will normally be the next cpu that is run. Cpu0 being restarted -after all the other CPU's and the event queue have been processed */ - -"); - - lf_putstr (file, "\n"); - lf_printf (file, "/* have ensured that the event queue is current */\n"); - lf_printf (file, "SIM_ASSERT (current_cpu >= 0);\n"); - lf_printf (file, "SIM_ASSERT (current_cpu < nr_cpus - 1);\n"); - lf_printf (file, "SIM_ASSERT (nr_cpus <= MAX_NR_PROCESSORS);\n"); - - lf_putstr (file, "\n"); - lf_putstr (file, "while (1)\n"); - lf_putstr (file, " {\n"); - lf_indent (file, +4); - - lf_putstr (file, "\n"); - lf_putstr (file, "current_cpu += 1;\n"); - lf_putstr (file, "if (current_cpu == nr_cpus)\n"); - lf_putstr (file, " {\n"); - lf_putstr (file, " if (sim_events_tick (sd))\n"); - lf_putstr (file, " {\n"); - lf_putstr (file, " sim_events_process (sd);\n"); - lf_putstr (file, " }\n"); - lf_putstr (file, " current_cpu = 0;\n"); - lf_putstr (file, " }\n"); - - lf_putstr (file, "\n"); - lf_putstr (file, "{\n"); - lf_indent (file, +2); - lf_putstr (file, "sim_cpu *cpu = STATE_CPU (sd, current_cpu);\n"); - lf_putstr (file, "instruction_address cia = CIA_GET (cpu);\n"); - - if (!options.gen.icache) - { - lf_putstr (file, "instruction_word instruction_0 = IMEM (cia);\n"); - print_idecode_body (file, table, "cia ="); - lf_putstr (file, "CIA_SET (cpu, cia);\n"); - } - - if (options.gen.icache) - { - lf_putstr (file, "engine_cache *cache_entry =\n"); - lf_putstr (file, " cpu_icache_entry(processor, cia);\n"); - lf_putstr (file, "\n"); - lf_putstr (file, "if (cache_entry->address == cia) {\n"); - { - lf_indent (file, +2); - lf_putstr (file, "\n"); - lf_putstr (file, "/* cache hit */\n"); - lf_putstr (file, "engine_semantic *semantic = cache_entry->semantic;\n"); - lf_putstr (file, "cia = semantic(processor, cache_entry, cia);\n"); - /* tail */ - lf_putstr (file, "cpu_set_program_counter(processor, cia);\n"); - lf_putstr (file, "\n"); - lf_indent (file, -2); - } - lf_putstr (file, "}\n"); - lf_putstr (file, "else {\n"); - { - lf_indent (file, +2); - lf_putstr (file, "\n"); - lf_putstr (file, "/* cache miss */\n"); - if (!options.gen.semantic_icache) - { - lf_putstr (file, "engine_semantic *semantic;\n"); - } - lf_putstr (file, "instruction_word instruction = IMEM (cia);\n"); - lf_putstr (file, "if (WITH_MON != 0)\n"); - lf_putstr (file, " mon_event(mon_event_icache_miss, processors[current_cpu], cia);\n"); - if (options.gen.semantic_icache) - { - lf_putstr (file, "{\n"); - lf_indent (file, +2); - print_idecode_body(file, table, "cia ="); - lf_indent (file, -2); - lf_putstr (file, "}\n"); - } - else - { - print_idecode_body(file, table, "semantic = "); - lf_putstr (file, "cia = semantic(processor, cache_entry, cia);\n"); - } - /* tail */ - lf_putstr (file, "cpu_set_program_counter(processor, cia);\n"); - lf_putstr (file, "\n"); - lf_indent (file, -2); - } - lf_putstr (file, "}\n"); - } - - /* close */ - lf_indent (file, -2); - lf_putstr (file, "}\n"); - - /* tail */ - lf_indent (file, -4); - lf_putstr (file, " }\n"); - } - - - lf_indent (file, -2); - lf_putstr (file, "}\n"); -} - - -/****************************************************************/ - -#if 0 -static void -print_jump (lf *file, - int is_tail) -{ - if (!options.gen.smp) - { - lf_putstr (file, "if (event_queue_tick (sd))\n"); - lf_putstr (file, " {\n"); - lf_putstr (file, " CPU_CIA (processor) = nia;\n"); - lf_putstr (file, " sim_events_process (sd);\n"); - lf_putstr (file, " }\n"); - lf_putstr (file, "}\n"); - } - - if (options.gen.smp) - { - if (is_tail) - lf_putstr (file, "cpu_set_program_counter(processor, nia);\n"); - lf_putstr (file, "current_cpu += 1;\n"); - lf_putstr (file, "if (current_cpu >= nr_cpus)\n"); - lf_putstr (file, " {\n"); - lf_putstr (file, " if (sim_events_tick (sd))\n"); - lf_putstr (file, " {\n"); - lf_putstr (file, " sim_events_process (sd);\n"); - lf_putstr (file, " }\n"); - lf_putstr (file, " current_cpu = 0;\n"); - lf_putstr (file, " }\n"); - lf_putstr (file, "processor = processors[current_cpu];\n"); - lf_putstr (file, "nia = cpu_get_program_counter(processor);\n"); - } - - if (options.gen.icache) - { - lf_putstr (file, "cache_entry = cpu_icache_entry(processor, nia);\n"); - lf_putstr (file, "if (cache_entry->address == nia) {\n"); - lf_putstr (file, " /* cache hit */\n"); - lf_putstr (file, " goto *cache_entry->semantic;\n"); - lf_putstr (file, "}\n"); - if (is_tail) { - lf_putstr (file, "goto cache_miss;\n"); - } - } - - if (!options.gen.icache && is_tail) - { - lf_printf (file, "goto engine;\n"); - } - -} -#endif - - -#if 0 -static void -print_jump_insn (lf *file, - insn_entry *instruction, - opcode_bits *expanded_bits, - opcode_field *opcodes, - cache_entry *cache_rules) -{ - insn_opcodes opcode_path; - - memset (&opcode_path, 0, sizeof (opcode_path)); - opcode_path.opcode = opcodes; - - /* what we are for the moment */ - lf_printf (file, "\n"); - print_my_defines (file, - instruction->name, - instruction->format_name, - expanded_bits); - - /* output the icache entry */ - if (options.gen.icache) - { - lf_printf (file, "\n"); - lf_indent (file, -1); - print_function_name (file, - instruction->name, - instruction->format_name, - NULL, - expanded_bits, - function_name_prefix_icache); - lf_printf (file, ":\n"); - lf_indent (file, +1); - lf_printf (file, "{\n"); - lf_indent (file, +2); - lf_putstr (file, "const unsigned_word cia = nia;\n"); - print_itrace (file, instruction, 1/*putting-value-in-cache*/); - print_idecode_validate (file, instruction, &opcode_path); - lf_printf (file, "\n"); - lf_printf (file, "{\n"); - lf_indent (file, +2); - print_icache_body (file, - instruction, - expanded_bits, - cache_rules, - 0, /*use_defines*/ - put_values_in_icache); - lf_printf (file, "cache_entry->address = nia;\n"); - lf_printf (file, "cache_entry->semantic = &&"); - print_function_name (file, - instruction->name, - instruction->format_name, - NULL, - expanded_bits, - function_name_prefix_semantics); - lf_printf (file, ";\n"); - if (options.gen.semantic_icache) - { - print_semantic_body (file, - instruction, - expanded_bits, - &opcode_path); - print_jump(file, 1/*is-tail*/); - } - else - { - lf_printf (file, "/* goto "); - print_function_name (file, - instruction->name, - instruction->format_name, - NULL, - expanded_bits, - function_name_prefix_semantics); - lf_printf (file, "; */\n"); - } - lf_indent (file, -2); - lf_putstr (file, "}\n"); - lf_indent (file, -2); - lf_printf (file, "}\n"); - } - - /* print the semantics */ - lf_printf (file, "\n"); - lf_indent (file, -1); - print_function_name (file, - instruction->name, - instruction->format_name, - NULL, - expanded_bits, - function_name_prefix_semantics); - lf_printf (file, ":\n"); - lf_indent (file, +1); - lf_printf (file, "{\n"); - lf_indent (file, +2); - lf_putstr (file, "const unsigned_word cia = nia;\n"); - print_icache_body (file, - instruction, - expanded_bits, - cache_rules, - (options.gen.direct_access - ? define_variables - : declare_variables), - (options.gen.icache - ? get_values_from_icache - : do_not_use_icache)); - print_semantic_body (file, - instruction, - expanded_bits, - &opcode_path); - if (options.gen.direct_access) - print_icache_body (file, - instruction, - expanded_bits, - cache_rules, - undef_variables, - (options.gen.icache - ? get_values_from_icache - : do_not_use_icache)); - print_jump(file, 1/*is tail*/); - lf_indent (file, -2); - lf_printf (file, "}\n"); -} -#endif - - -#if 0 -static void -print_jump_definition (lf *file, - gen_entry *entry, - int depth, - void *data) -{ - cache_entry *cache_rules = (cache_entry*)data; - if (entry->opcode_rule->with_duplicates) - { - ASSERT (entry->nr_insns == 1 - && entry->opcode == NULL - && entry->parent != NULL - && entry->parent->opcode != NULL); - ASSERT (entry->nr_insns == 1 - && entry->opcode == NULL - && entry->parent != NULL - && entry->parent->opcode != NULL - && entry->parent->opcode_rule != NULL); - print_jump_insn (file, - entry->insns->insn, - entry->expanded_bits, - entry->opcode, - cache_rules); - } - else - { - print_jump_insn (file, - entry->insns->insn, - NULL, - NULL, - cache_rules); - } -} -#endif - - -#if 0 -static void -print_jump_internal_function (lf *file, - function_entry *function, - void *data) -{ - if (function->is_internal) - { - lf_printf (file, "\n"); - lf_print__line_ref (file, function->line); - lf_indent (file, -1); - print_function_name (file, - function->name, - NULL, - NULL, - NULL, - (options.gen.icache - ? function_name_prefix_icache - : function_name_prefix_semantics)); - lf_printf (file, ":\n"); - lf_indent (file, +1); - lf_printf (file, "{\n"); - lf_indent (file, +2); - lf_printf (file, "const unsigned_word cia = nia;\n"); - table_print_code (file, function->code); - lf_print__internal_ref (file); - lf_printf (file, "error(\"Internal function must longjump\\n\");\n"); - lf_indent (file, -2); - lf_printf (file, "}\n"); - } -} -#endif - - -#if 0 -static void -print_jump_body (lf *file, - gen_entry *entry, - insn_table *isa, - cache_entry *cache_rules) -{ - lf_printf (file, "{\n"); - lf_indent (file, +2); - lf_putstr (file, "jmp_buf halt;\n"); - lf_putstr (file, "jmp_buf restart;\n"); - lf_putstr (file, "cpu *processor = NULL;\n"); - lf_putstr (file, "unsigned_word nia = -1;\n"); - lf_putstr (file, "instruction_word instruction = 0;\n"); - if (options.gen.icache) - { - lf_putstr (file, "engine_cache *cache_entry = NULL;\n"); - } - if (options.gen.smp) - { - lf_putstr (file, "int current_cpu = -1;\n"); - } - - /* all the switches and tables - they know about jumping */ - print_idecode_lookups (file, entry, cache_rules); - - /* start the simulation up */ - if (options.gen.icache) - { - lf_putstr (file, "\n"); - lf_putstr (file, "{\n"); - lf_putstr (file, " int cpu_nr;\n"); - lf_putstr (file, " for (cpu_nr = 0; cpu_nr < nr_cpus; cpu_nr++)\n"); - lf_putstr (file, " cpu_flush_icache(processors[cpu_nr]);\n"); - lf_putstr (file, "}\n"); - } - - lf_putstr (file, "\n"); - lf_putstr (file, "psim_set_halt_and_restart(system, &halt, &restart);\n"); - - lf_putstr (file, "\n"); - lf_putstr (file, "if (setjmp(halt))\n"); - lf_putstr (file, " return;\n"); - - lf_putstr (file, "\n"); - lf_putstr (file, "setjmp(restart);\n"); - - lf_putstr (file, "\n"); - if (!options.gen.smp) - { - lf_putstr (file, "processor = processors[0];\n"); - lf_putstr (file, "nia = cpu_get_program_counter(processor);\n"); - } - else - { - lf_putstr (file, "current_cpu = psim_last_cpu(system);\n"); - } - - if (!options.gen.icache) - { - lf_printf (file, "\n"); - lf_indent (file, -1); - lf_printf (file, "engine:\n"); - lf_indent (file, +1); - } - - print_jump(file, 0/*is_tail*/); - - if (options.gen.icache) - { - lf_indent (file, -1); - lf_printf (file, "cache_miss:\n"); - lf_indent (file, +1); - } - - lf_putstr (file, "instruction\n"); - lf_putstr (file, " = vm_instruction_map_read(cpu_instruction_map(processor),\n"); - lf_putstr (file, " processor, nia);\n"); - print_idecode_body (file, entry, "/*IGORE*/"); - - /* print out a table of all the internals functions */ - function_entry_traverse (file, isa->functions, - print_jump_internal_function, - NULL); - - /* print out a table of all the instructions */ - ERROR ("Use the list of semantic functions, not travere_tree"); - gen_entry_traverse_tree (file, entry, - 1, - NULL, /* start */ - print_jump_definition, /* leaf */ - NULL, /* end */ - cache_rules); - lf_indent (file, -2); - lf_printf (file, "}\n"); -} -#endif - - -/****************************************************************/ - - -void -print_engine_run_function_header (lf *file, - char *processor, - function_decl_type decl_type) -{ - int indent; - lf_printf (file, "\n"); - switch (decl_type) - { - case is_function_declaration: - lf_print__function_type (file, "void", "INLINE_ENGINE", "\n"); - break; - case is_function_definition: - lf_print__function_type (file, "void", "INLINE_ENGINE", " "); - break; - case is_function_variable: - lf_printf (file, "void (*"); - break; - } - indent = print_function_name (file, - "run", - NULL, /* format name */ - processor, - NULL, /* expanded bits */ - function_name_prefix_engine); - switch (decl_type) - { - case is_function_definition: - lf_putstr (file, "\n("); - indent = 1; - break; - case is_function_declaration: - indent += lf_printf (file, " ("); - break; - case is_function_variable: - lf_putstr (file, ")\n("); - indent = 1; - break; - } - lf_indent (file, +indent); - lf_printf (file, "SIM_DESC sd,\n"); - lf_printf (file, "int next_cpu_nr,\n"); - lf_printf (file, "int nr_cpus,\n"); - lf_printf (file, "int siggnal)"); - lf_indent (file, -indent); - switch (decl_type) - { - case is_function_definition: - lf_putstr (file, "\n"); - break; - case is_function_variable: - case is_function_declaration: - lf_putstr (file, ";\n"); - break; - } -} - - -void -gen_engine_h (lf *file, - gen_table *gen, - insn_table *isa, - cache_entry *cache_rules) -{ - gen_list *entry; - for (entry = gen->tables; entry != NULL; entry = entry->next) - { - print_engine_run_function_header (file, - (options.gen.multi_sim - ? entry->model->name - : NULL), - is_function_declaration); - } -} - - -void -gen_engine_c(lf *file, - gen_table *gen, - insn_table *isa, - cache_entry *cache_rules) -{ - gen_list *entry; - /* the intro */ - lf_printf (file, "#include \"sim-inline.c\"\n"); - lf_printf (file, "\n"); - lf_printf (file, "#include \"sim-main.h\"\n"); - lf_printf (file, "#include \"itable.h\"\n"); - lf_printf (file, "#include \"idecode.h\"\n"); - lf_printf (file, "#include \"semantics.h\"\n"); - lf_printf (file, "#include \"icache.h\"\n"); - lf_printf (file, "#include \"engine.h\"\n"); - lf_printf (file, "#include \"support.h\"\n"); - lf_printf (file, "\n"); - lf_printf (file, "#include \"sim-assert.h\"\n"); - lf_printf (file, "\n"); - print_idecode_globals (file); - lf_printf (file, "\n"); - - for (entry = gen->tables; entry != NULL; entry = entry->next) - { - switch (options.gen.code) - { - case generate_calls: - print_idecode_lookups (file, entry->table, cache_rules); - - /* output the main engine routine */ - print_engine_run_function_header (file, - (options.gen.multi_sim - ? entry->model->name - : NULL), - is_function_definition); - print_run_body (file, entry->table); - break; - - case generate_jumps: - ERROR ("Jumps currently unimplemented"); -#if 0 - print_engine_run_function_header (file, - entry->processor, - is_function_definition); - print_jump_body (file, entry->table, - isa, cache_rules); -#endif - break; - } - } -} diff --git a/sim/igen/gen-engine.h b/sim/igen/gen-engine.h deleted file mode 100644 index 5b97de2..0000000 --- a/sim/igen/gen-engine.h +++ /dev/null @@ -1,29 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - -extern void gen_engine_h -(lf *file, - insn_table *table, - cache_table *cache_rules); - -extern void gen_engine_c -(lf *file, - insn_table *table, - cache_table *cache_rules); diff --git a/sim/igen/gen-icache.c b/sim/igen/gen-icache.c deleted file mode 100644 index 31c5ab9..0000000 --- a/sim/igen/gen-icache.c +++ /dev/null @@ -1,852 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1998, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - -#include "misc.h" -#include "lf.h" -#include "table.h" -#include "filter.h" -#include "igen.h" - -#include "ld-insn.h" -#include "ld-decode.h" - -#include "gen.h" - -#include "gen-semantics.h" -#include "gen-idecode.h" -#include "gen-icache.h" - - - -static void -print_icache_function_header (lf *file, - const char *basename, - const char *format_name, - opcode_bits *expanded_bits, - int is_function_definition, - int nr_prefetched_words) -{ - lf_printf(file, "\n"); - lf_print__function_type_function (file, print_icache_function_type, - "EXTERN_ICACHE", " "); - print_function_name (file, - basename, format_name, NULL, - expanded_bits, - function_name_prefix_icache); - lf_printf (file, "\n("); - print_icache_function_formal (file, nr_prefetched_words); - lf_printf (file, ")"); - if (!is_function_definition) - lf_printf (file, ";"); - lf_printf (file, "\n"); -} - - -void -print_icache_declaration (lf *file, - insn_entry *insn, - opcode_bits *expanded_bits, - insn_opcodes *opcodes, - int nr_prefetched_words) -{ - print_icache_function_header (file, - insn->name, - insn->format_name, - expanded_bits, - 0/* is not function definition */, - nr_prefetched_words); -} - - - -static void -print_icache_extraction (lf *file, - const char *format_name, - cache_entry_type cache_type, - const char *entry_name, - const char *entry_type, - const char *entry_expression, - char *single_insn_field, - line_ref *line, - insn_field_entry *cur_field, - opcode_bits *expanded_bits, - icache_decl_type what_to_declare, - icache_body_type what_to_do) -{ - const char *expression; - opcode_bits *bits; - char *reason; - ASSERT (format_name != NULL); - ASSERT (entry_name != NULL); - - /* figure out exactly what should be going on here */ - switch (cache_type) - { - case scratch_value: - if ((what_to_do & put_values_in_icache) - || what_to_do == do_not_use_icache) - { - reason = "scratch"; - what_to_do = do_not_use_icache; - } - else - return; - break; - case compute_value: - if ((what_to_do & get_values_from_icache) - || what_to_do == do_not_use_icache) - { - reason = "compute"; - what_to_do = do_not_use_icache; - } - else - return; - break; - case cache_value: - if ((what_to_declare != undef_variables) - || !(what_to_do & put_values_in_icache)) - { - reason = "cache"; - what_to_declare = ((what_to_do & put_values_in_icache) - ? declare_variables - : what_to_declare); - } - else - return; - break; - } - - /* For the type, default to a simple unsigned */ - if (entry_type == NULL || strlen (entry_type) == 0) - entry_type = "unsigned"; - - /* look through the set of expanded sub fields to see if this field - has been given a constant value */ - for (bits = expanded_bits; - bits != NULL; - bits = bits->next) - { - if (bits->field == cur_field) - break; - } - - /* Define a storage area for the cache element */ - switch (what_to_declare) - { - case undef_variables: - /* We've finished with the #define value - destory it */ - lf_indent_suppress (file); - lf_printf (file, "#undef %s\n", entry_name); - return; - case define_variables: - /* Using direct access for this entry, define it */ - lf_indent_suppress (file); - lf_printf (file, "#define %s ((%s) ", entry_name, entry_type); - break; - case declare_variables: - /* using variables to define the value */ - if (line != NULL) - lf_print__line_ref (file, line); - lf_printf (file, "%s const %s UNUSED = ", entry_type, entry_name); - break; - } - - - /* define a value for that storage area as determined by what is in - the cache */ - if (bits != NULL - && single_insn_field != NULL - && strcmp (entry_name, single_insn_field) == 0 - && strcmp (entry_name, cur_field->val_string) == 0 - && ((bits->opcode->is_boolean && bits->value == 0) - || (!bits->opcode->is_boolean))) - { - /* The cache rule is specifying what to do with a simple - instruction field. - - Because of instruction expansion, the field is either a - constant value or equal to the specified constant (boolean - comparison). (The latter indicated by bits->value == 0). - - The case of a field not being equal to the specified boolean - value is handled later. */ - expression = "constant field"; - ASSERT (bits->field == cur_field); - if (bits->opcode->is_boolean) - { - ASSERT (bits->value == 0); - lf_printf (file, "%d", bits->opcode->boolean_constant); - } - else if (bits->opcode->last < bits->field->last) - { - lf_printf (file, "%d", - bits->value << (bits->field->last - bits->opcode->last)); - } - else - { - lf_printf (file, "%d", bits->value); - } - } - else if (bits != NULL - && single_insn_field != NULL - && strncmp (entry_name, - single_insn_field, - strlen (single_insn_field)) == 0 - && strncmp (entry_name + strlen (single_insn_field), - "_is_", - strlen ("_is_")) == 0 - && ((bits->opcode->is_boolean - && ((unsigned) atol (entry_name + strlen (single_insn_field) + strlen ("_is_")) - == bits->opcode->boolean_constant)) - || (!bits->opcode->is_boolean))) - { - /* The cache rule defines an entry for the comparison between a - single instruction field and a constant. The value of the - comparison in someway matches that of the opcode field that - was made constant through expansion. */ - expression = "constant compare"; - if (bits->opcode->is_boolean) - { - lf_printf (file, "%d /* %s == %d */", - bits->value == 0, - single_insn_field, - bits->opcode->boolean_constant); - } - else if (bits->opcode->last < bits->field->last) - { - lf_printf (file, "%d /* %s == %d */", - (atol (entry_name + strlen (single_insn_field) + strlen ("_is_")) - == (bits->value << (bits->field->last - bits->opcode->last))), - single_insn_field, - (bits->value << (bits->field->last - bits->opcode->last))); - } - else - { - lf_printf (file, "%d /* %s == %d */", - (atol (entry_name + strlen (single_insn_field) + strlen ("_is_")) - == bits->value), - single_insn_field, - bits->value); - } - } - else - { - /* put the field in the local variable, possibly also enter it - into the cache */ - expression = "extraction"; - /* handle the cache */ - if ((what_to_do & get_values_from_icache) - || (what_to_do & put_values_in_icache)) - { - lf_printf (file, "cache_entry->crack.%s.%s", - format_name, - entry_name); - if (what_to_do & put_values_in_icache) /* also put it in the cache? */ - { - lf_printf (file, " = "); - } - } - if ((what_to_do & put_values_in_icache) - || what_to_do == do_not_use_icache) - { - if (cur_field != NULL) - { - if (entry_expression != NULL && strlen (entry_expression) > 0) - error (line, "Instruction field entry with nonempty expression\n"); - if (cur_field->first == 0 && cur_field->last == options.insn_bit_size - 1) - lf_printf (file, "(instruction_%d)", - cur_field->word_nr); - else if (cur_field->last == options.insn_bit_size - 1) - lf_printf (file, "MASKED%d (instruction_%d, %d, %d)", - options.insn_bit_size, - cur_field->word_nr, - i2target (options.hi_bit_nr, cur_field->first), - i2target (options.hi_bit_nr, cur_field->last)); - else - lf_printf (file, "EXTRACTED%d (instruction_%d, %d, %d)", - options.insn_bit_size, - cur_field->word_nr, - i2target (options.hi_bit_nr, cur_field->first), - i2target (options.hi_bit_nr, cur_field->last)); - } - else - { - lf_printf (file, "%s", entry_expression); - } - } - } - - switch (what_to_declare) - { - case define_variables: - lf_printf (file, ")"); - break; - case undef_variables: - break; - case declare_variables: - lf_printf (file, ";"); - break; - } - - ASSERT (reason != NULL && expression != NULL); - lf_printf (file, " /* %s - %s */\n", reason, expression); -} - - -void -print_icache_body (lf *file, - insn_entry *instruction, - opcode_bits *expanded_bits, - cache_entry *cache_rules, - icache_decl_type what_to_declare, - icache_body_type what_to_do, - int nr_prefetched_words) -{ - /* extract instruction fields */ - lf_printf (file, "/* Extraction: %s\n", instruction->name); - lf_printf (file, " "); - switch (what_to_declare) - { - case define_variables: - lf_printf (file, "#define"); - break; - case declare_variables: - lf_printf (file, "declare"); - break; - case undef_variables: - lf_printf (file, "#undef"); - break; - } - lf_printf (file, " "); - switch (what_to_do) - { - case get_values_from_icache: - lf_printf (file, "get-values-from-icache"); - break; - case put_values_in_icache: - lf_printf (file, "put-values-in-icache"); - break; - case both_values_and_icache: - lf_printf (file, "get-values-from-icache|put-values-in-icache"); - break; - case do_not_use_icache: - lf_printf (file, "do-not-use-icache"); - break; - } - lf_printf (file, "\n "); - print_insn_words (file, instruction); - lf_printf(file, " */\n"); - - /* pass zero - fetch from memory any missing instructions. - - Some of the instructions will have already been fetched (in the - instruction array), others will still need fetching. */ - switch (what_to_do) - { - case get_values_from_icache: - break; - case put_values_in_icache: - case both_values_and_icache: - case do_not_use_icache: - { - int word_nr; - switch (what_to_declare) - { - case undef_variables: - break; - case define_variables: - case declare_variables: - for (word_nr = nr_prefetched_words; - word_nr < instruction->nr_words; - word_nr++) - { - /* FIXME - should be using print_icache_extraction? */ - lf_printf (file, "%sinstruction_word instruction_%d UNUSED = ", - options.module.global.prefix.l, - word_nr); - lf_printf (file, "IMEM%d_IMMED (cia, %d)", - options.insn_bit_size, word_nr); - lf_printf (file, ";\n"); - } - } - } - } - - /* if putting the instruction words in the cache, define references - for them */ - if (options.gen.insn_in_icache) { - /* FIXME: is the instruction_word type correct? */ - print_icache_extraction (file, - instruction->format_name, - cache_value, - "insn", /* name */ - "instruction_word", /* type */ - "instruction", /* expression */ - NULL, /* origin */ - NULL, /* line */ - NULL, NULL, - what_to_declare, - what_to_do); - } - lf_printf(file, "\n"); - - /* pass one - process instruction fields. - - If there is no cache rule, the default is to enter the field into - the cache */ - { - insn_word_entry *word; - for (word = instruction->words; - word != NULL; - word = word->next) - { - insn_field_entry *cur_field; - for (cur_field = word->first; - cur_field->first < options.insn_bit_size; - cur_field = cur_field->next) - { - if (cur_field->type == insn_field_string) - { - cache_entry *cache_rule; - cache_entry_type value_type = cache_value; - line_ref *value_line = instruction->line; - /* check the cache table to see if it contains a rule - overriding the default cache action for an - instruction field */ - for (cache_rule = cache_rules; - cache_rule != NULL; - cache_rule = cache_rule->next) - { - if (filter_is_subset (instruction->field_names, - cache_rule->original_fields) - && strcmp (cache_rule->name, cur_field->val_string) == 0) - { - value_type = cache_rule->entry_type; - value_line = cache_rule->line; - if (value_type == compute_value) - { - options.warning (cache_rule->line, - "instruction field of type `compute' changed to `cache'\n"); - cache_rule->entry_type = cache_value; - } - break; - } - } - /* Define an entry for the field within the - instruction */ - print_icache_extraction (file, - instruction->format_name, - value_type, - cur_field->val_string, /* name */ - NULL, /* type */ - NULL, /* expression */ - cur_field->val_string, /* insn field */ - value_line, - cur_field, - expanded_bits, - what_to_declare, - what_to_do); - } - } - } - } - - /* pass two - any cache fields not processed above */ - { - cache_entry *cache_rule; - for (cache_rule = cache_rules; - cache_rule != NULL; - cache_rule = cache_rule->next) - { - if (filter_is_subset (instruction->field_names, - cache_rule->original_fields) - && !filter_is_member (instruction->field_names, - cache_rule->name)) - { - char *single_field = filter_next (cache_rule->original_fields, ""); - if (filter_next (cache_rule->original_fields, single_field) != NULL) - single_field = NULL; - print_icache_extraction (file, - instruction->format_name, - cache_rule->entry_type, - cache_rule->name, - cache_rule->type, - cache_rule->expression, - single_field, - cache_rule->line, - NULL, /* cur_field */ - expanded_bits, - what_to_declare, - what_to_do); - } - } - } - - lf_print__internal_ref (file); -} - - - -typedef struct _form_fields form_fields; -struct _form_fields { - char *name; - filter *fields; - form_fields *next; -}; - -static form_fields * -insn_table_cache_fields (insn_table *isa) -{ - form_fields *forms = NULL; - insn_entry *insn; - for (insn = isa->insns; - insn != NULL; - insn = insn->next) { - form_fields **form = &forms; - while (1) - { - if (*form == NULL) - { - /* new format name, add it */ - form_fields *new_form = ZALLOC (form_fields); - new_form->name = insn->format_name; - filter_add (&new_form->fields, insn->field_names); - *form = new_form; - break; - } - else if (strcmp ((*form)->name, insn->format_name) == 0) - { - /* already present, add field names to the existing list */ - filter_add (&(*form)->fields, insn->field_names); - break; - } - form = &(*form)->next; - } - } - return forms; -} - - - -extern void -print_icache_struct (lf *file, - insn_table *isa, - cache_entry *cache_rules) -{ - /* Create a list of all the different instruction formats with their - corresponding field names. */ - form_fields *formats = insn_table_cache_fields (isa); - - lf_printf (file, "\n"); - lf_printf (file, "#define WITH_%sIDECODE_CACHE_SIZE %d\n", - options.module.global.prefix.u, - (options.gen.icache ? options.gen.icache_size : 0)); - lf_printf (file, "\n"); - - /* create an instruction cache if being used */ - if (options.gen.icache) { - lf_printf (file, "typedef struct _%sidecode_cache {\n", - options.module.global.prefix.l); - lf_indent (file, +2); - { - form_fields *format; - lf_printf (file, "unsigned_word address;\n"); - lf_printf (file, "void *semantic;\n"); - lf_printf (file, "union {\n"); - lf_indent (file, +2); - for (format = formats; - format != NULL; - format = format->next) - { - lf_printf (file, "struct {\n"); - lf_indent (file, +2); - { - cache_entry *cache_rule; - char *field; - /* space for any instruction words */ - if (options.gen.insn_in_icache) - lf_printf (file, "instruction_word insn[%d];\n", isa->max_nr_words); - /* define an entry for any applicable cache rules */ - for (cache_rule = cache_rules; - cache_rule != NULL; - cache_rule = cache_rule->next) - { - /* nb - sort of correct - should really check against - individual instructions */ - if (filter_is_subset (format->fields, cache_rule->original_fields)) - { - char *memb; - lf_printf (file, "%s %s;", - (cache_rule->type == NULL - ? "unsigned" - : cache_rule->type), - cache_rule->name); - lf_printf (file, " /*"); - for (memb = filter_next (cache_rule->original_fields, ""); - memb != NULL; - memb = filter_next (cache_rule->original_fields, memb)) - { - lf_printf (file, " %s", memb); - } - lf_printf (file, " */\n"); - } - } - /* define an entry for any fields not covered by a cache rule */ - for (field = filter_next (format->fields, ""); - field != NULL; - field = filter_next (format->fields, field)) - { - cache_entry *cache_rule; - int found_rule = 0; - for (cache_rule = cache_rules; - cache_rule != NULL; - cache_rule = cache_rule->next) - { - if (strcmp (cache_rule->name, field) == 0) - { - found_rule = 1; - break; - } - } - if (!found_rule) - lf_printf (file, "unsigned %s; /* default */\n", field); - } - } - lf_indent (file, -2); - lf_printf (file, "} %s;\n", format->name); - } - lf_indent (file, -2); - lf_printf (file, "} crack;\n"); - } - lf_indent (file, -2); - lf_printf (file, "} %sidecode_cache;\n", options.module.global.prefix.l); - } - else - { - /* alernativly, since no cache, emit a dummy definition for - idecode_cache so that code refering to the type can still compile */ - lf_printf(file, "typedef void %sidecode_cache;\n", - options.module.global.prefix.l); - } - lf_printf (file, "\n"); -} - - - -static void -print_icache_function (lf *file, - insn_entry *instruction, - opcode_bits *expanded_bits, - insn_opcodes *opcodes, - cache_entry *cache_rules, - int nr_prefetched_words) -{ - int indent; - - /* generate code to enter decoded instruction into the icache */ - lf_printf(file, "\n"); - lf_print__function_type_function (file, print_icache_function_type, - "EXTERN_ICACHE", "\n"); - indent = print_function_name (file, - instruction->name, - instruction->format_name, - NULL, - expanded_bits, - function_name_prefix_icache); - indent += lf_printf (file, " "); - lf_indent (file, +indent); - lf_printf (file, "("); - print_icache_function_formal (file, nr_prefetched_words); - lf_printf (file, ")\n"); - lf_indent (file, -indent); - - /* function header */ - lf_printf (file, "{\n"); - lf_indent (file, +2); - - print_my_defines (file, - instruction->name, - instruction->format_name, - expanded_bits); - print_itrace (file, instruction, 1/*putting-value-in-cache*/); - - print_idecode_validate (file, instruction, opcodes); - - lf_printf (file, "\n"); - lf_printf (file, "{\n"); - lf_indent (file, +2); - if (options.gen.semantic_icache) - lf_printf (file, "unsigned_word nia;\n"); - print_icache_body (file, - instruction, - expanded_bits, - cache_rules, - (options.gen.direct_access - ? define_variables - : declare_variables), - (options.gen.semantic_icache - ? both_values_and_icache - : put_values_in_icache), - nr_prefetched_words); - - lf_printf (file, "\n"); - lf_printf (file, "cache_entry->address = cia;\n"); - lf_printf (file, "cache_entry->semantic = "); - print_function_name (file, - instruction->name, - instruction->format_name, - NULL, - expanded_bits, - function_name_prefix_semantics); - lf_printf (file, ";\n"); - lf_printf (file, "\n"); - - if (options.gen.semantic_icache) { - lf_printf (file, "/* semantic routine */\n"); - print_semantic_body (file, - instruction, - expanded_bits, - opcodes); - lf_printf (file, "return nia;\n"); - } - - if (!options.gen.semantic_icache) - { - lf_printf (file, "/* return the function proper */\n"); - lf_printf (file, "return "); - print_function_name (file, - instruction->name, - instruction->format_name, - NULL, - expanded_bits, - function_name_prefix_semantics); - lf_printf (file, ";\n"); - } - - if (options.gen.direct_access) - { - print_icache_body (file, - instruction, - expanded_bits, - cache_rules, - undef_variables, - (options.gen.semantic_icache - ? both_values_and_icache - : put_values_in_icache), - nr_prefetched_words); - } - - lf_indent (file, -2); - lf_printf (file, "}\n"); - lf_indent (file, -2); - lf_printf (file, "}\n"); -} - - -void -print_icache_definition (lf *file, - insn_entry *insn, - opcode_bits *expanded_bits, - insn_opcodes *opcodes, - cache_entry *cache_rules, - int nr_prefetched_words) -{ - print_icache_function (file, - insn, - expanded_bits, - opcodes, - cache_rules, - nr_prefetched_words); -} - - - -void -print_icache_internal_function_declaration (lf *file, - function_entry *function, - void *data) -{ - ASSERT (options.gen.icache); - if (function->is_internal) - { - lf_printf (file, "\n"); - lf_print__function_type_function (file, print_icache_function_type, - "INLINE_ICACHE", "\n"); - print_function_name (file, - function->name, - NULL, - NULL, - NULL, - function_name_prefix_icache); - lf_printf (file, "\n("); - print_icache_function_formal (file, 0); - lf_printf (file, ");\n"); - } -} - - -void -print_icache_internal_function_definition (lf *file, - function_entry *function, - void *data) -{ - ASSERT (options.gen.icache); - if (function->is_internal) - { - lf_printf (file, "\n"); - lf_print__function_type_function (file, print_icache_function_type, - "INLINE_ICACHE", "\n"); - print_function_name (file, - function->name, - NULL, - NULL, - NULL, - function_name_prefix_icache); - lf_printf (file, "\n("); - print_icache_function_formal (file, 0); - lf_printf (file, ")\n"); - lf_printf (file, "{\n"); - lf_indent (file, +2); - lf_printf (file, "/* semantic routine */\n"); - if (options.gen.semantic_icache) - { - lf_print__line_ref (file, function->code->line); - table_print_code (file, function->code); - lf_printf (file, "error (\"Internal function must longjump\\n\");\n"); - lf_printf (file, "return 0;\n"); - } - else - { - lf_printf (file, "return "); - print_function_name (file, - function->name, - NULL, - NULL, - NULL, - function_name_prefix_semantics); - lf_printf (file, ";\n"); - } - - lf_print__internal_ref (file); - lf_indent (file, -2); - lf_printf (file, "}\n"); - } -} diff --git a/sim/igen/gen-icache.h b/sim/igen/gen-icache.h deleted file mode 100644 index c5ba71f..0000000 --- a/sim/igen/gen-icache.h +++ /dev/null @@ -1,68 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - - -/* Output code to manipulate the instruction cache: either create it - or reference it */ - -typedef enum { - declare_variables, - define_variables, - undef_variables, -} icache_decl_type; - -typedef enum { - do_not_use_icache = 0, - get_values_from_icache = 0x1, - put_values_in_icache = 0x2, - both_values_and_icache = 0x3, -} icache_body_type; - -extern void print_icache_body -(lf *file, - insn *instruction, - insn_bits *expanded_bits, - cache_table *cache_rules, - icache_decl_type what_to_declare, - icache_body_type what_to_do); - - -/* Output an instruction cache decode function */ - -extern insn_handler print_icache_declaration; -extern insn_handler print_icache_definition; - - -/* Output an instruction cache support function */ - -extern function_handler print_icache_internal_function_declaration; -extern function_handler print_icache_internal_function_definition; - - -/* Output the instruction cache table data structure */ - -extern void print_icache_struct -(insn_table *instructions, - cache_table *cache_rules, - lf *file); - - -/* Output a single instructions decoder */ diff --git a/sim/igen/gen-idecode.c b/sim/igen/gen-idecode.c deleted file mode 100644 index 96606fa..0000000 --- a/sim/igen/gen-idecode.c +++ /dev/null @@ -1,1380 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - -#include "misc.h" -#include "lf.h" -#include "table.h" - -#include "filter.h" - -#include "ld-decode.h" -#include "ld-cache.h" -#include "ld-insn.h" - -#include "igen.h" - -#include "gen-idecode.h" -#include "gen-icache.h" -#include "gen-semantics.h" - - - -static void -lf_print_opcodes(lf *file, - insn_table *table) -{ - if (table != NULL) { - while (1) { - ASSERT(table->opcode != NULL); - lf_printf(file, "_%d_%d", - table->opcode->first, - table->opcode->last); - if (table->parent == NULL) break; - lf_printf(file, "__%d", table->opcode_nr); - table = table->parent; - } - } -} - -/****************************************************************/ - -void -error_leaf_contains_multiple_insn(insn_table *entry) -{ - insn *i; - ASSERT(entry->opcode == NULL && entry->nr_insn > 1); - for (i = entry->insns; i != NULL; i = i->next) { - fprintf(stderr, "%s:%d: %s %s\n", - i->file_entry->file_name, - i->file_entry->line_nr, - i->file_entry->fields[insn_name], - (i == entry->insns - ? "was not uniquely decoded" - : "decodes to the same entry")); - } - error(""); -} - -/****************************************************************/ - - -static void -lf_print_table_name(lf *file, - insn_table *table) -{ - lf_printf(file, "idecode_table"); - lf_print_opcodes(file, table); -} - - - -static void -print_idecode_table(lf *file, - insn_table *entry, - const char *result) -{ - lf_printf(file, "/* prime the search */\n"); - lf_printf(file, "idecode_table_entry *table = "); - lf_print_table_name(file, entry); - lf_printf(file, ";\n"); - lf_printf(file, "int opcode = EXTRACTED%d(instruction, %d, %d);\n", - insn_bit_size, - i2target(hi_bit_nr, entry->opcode->first), - i2target(hi_bit_nr, entry->opcode->last)); - lf_printf(file, "idecode_table_entry *table_entry = table + opcode;\n"); - - lf_printf(file, "\n"); - lf_printf(file, "/* iterate until a leaf */\n"); - lf_printf(file, "while (1) {\n"); - lf_printf(file, " signed shift = table_entry->shift;\n"); - lf_printf(file, "if (shift == function_entry) break;\n"); - lf_printf(file, " if (shift >= 0) {\n"); - lf_printf(file, " table = ((idecode_table_entry*)\n"); - lf_printf(file, " table_entry->function_or_table);\n"); - lf_printf(file, " opcode = ((instruction & table_entry->mask)\n"); - lf_printf(file, " >> shift);\n"); - lf_printf(file, " table_entry = table + opcode;\n"); - lf_printf(file, " }\n"); - lf_printf(file, " else {\n"); - lf_printf(file, " /* must be a boolean */\n"); - lf_printf(file, " ASSERT(table_entry->shift == boolean_entry);\n"); - lf_printf(file, " opcode = ((instruction & table_entry->mask)\n"); - lf_printf(file, " != table_entry->value);\n"); - lf_printf(file, " table = ((idecode_table_entry*)\n"); - lf_printf(file, " table_entry->function_or_table);\n"); - lf_printf(file, " table_entry = table + opcode;\n"); - lf_printf(file, " }\n"); - lf_printf(file, "}\n"); - - lf_printf(file, "\n"); - lf_printf(file, "/* call the leaf code */\n"); - if ((code & generate_jumps)) { - lf_printf(file, "goto *table_entry->function_or_table;\n"); - } - else { - lf_printf(file, "%s ", result); - if ((code & generate_with_icache)) { - lf_printf(file, "(((idecode_icache*)table_entry->function_or_table)\n"); - lf_printf(file, " ("); - print_icache_function_actual(file); - lf_printf(file, "));\n"); - } - else { - lf_printf(file, "((idecode_semantic*)table_entry->function_or_table)\n"); - lf_printf(file, " ("); - print_semantic_function_actual(file); - lf_printf(file, ");\n"); - } - } -} - - -static void -print_idecode_table_start(insn_table *table, - lf *file, - void *data, - int depth) -{ - ASSERT(depth == 0); - /* start of the table */ - if (table->opcode_rule->gen == array_gen) { - lf_printf(file, "\n"); - lf_printf(file, "static idecode_table_entry "); - lf_print_table_name(file, table); - lf_printf(file, "[] = {\n"); - } -} - -static void -print_idecode_table_leaf(insn_table *entry, - lf *file, - void *data, - insn *instruction, - int depth) -{ - ASSERT(entry->parent != NULL); - ASSERT(depth == 0); - - /* add an entry to the table */ - if (entry->parent->opcode_rule->gen == array_gen) { - lf_printf(file, " /*%d*/ { ", entry->opcode_nr); - if (entry->opcode == NULL) { - if (entry->nr_insn != 1) { - error_leaf_contains_multiple_insn(entry); - } - /* table leaf entry */ - lf_printf(file, "function_entry, 0, 0, "); - if ((code & generate_jumps)) - lf_printf(file, "&&"); - print_function_name(file, - entry->insns->file_entry->fields[insn_name], - entry->expanded_bits, - ((code & generate_with_icache) - ? function_name_prefix_icache - : function_name_prefix_semantics)); - } - else if (entry->opcode_rule->gen == switch_gen - || entry->opcode_rule->gen == goto_switch_gen - || entry->opcode_rule->gen == padded_switch_gen) { - /* table calling switch statement */ - lf_printf(file, "function_entry, 0, 0, "); - if ((code & generate_jumps)) - lf_printf(file, "&&"); - lf_print_table_name(file, entry); - } - else if (entry->opcode->is_boolean) { - /* table `calling' boolean table */ - lf_printf(file, "boolean_entry, "); - lf_printf(file, "MASK32(%d, %d), ", - i2target(hi_bit_nr, entry->opcode->first), - i2target(hi_bit_nr, entry->opcode->last)); - lf_printf(file, "INSERTED32(%d, %d, %d), ", - entry->opcode->boolean_constant, - i2target(hi_bit_nr, entry->opcode->first), - i2target(hi_bit_nr, entry->opcode->last)); - lf_print_table_name(file, entry); - } - else { - /* table `calling' another table */ - lf_printf(file, "%d, ", insn_bit_size - entry->opcode->last - 1); - lf_printf(file, "MASK%d(%d,%d), ", - insn_bit_size, - i2target(hi_bit_nr, entry->opcode->first), - i2target(hi_bit_nr, entry->opcode->last)); - lf_printf(file, "0, "); - lf_print_table_name(file, entry); - } - lf_printf(file, " },\n"); - } -} - -static void -print_idecode_table_end(insn_table *table, - lf *file, - void *data, - int depth) -{ - ASSERT(depth == 0); - if (table->opcode_rule->gen == array_gen) { - lf_printf(file, "};\n"); - } -} - -static void -print_idecode_table_padding(insn_table *table, - lf *file, - void *data, - int depth, - int opcode_nr) -{ - ASSERT(depth == 0); - if (table->opcode_rule->gen == array_gen) { - lf_printf(file, " /*%d*/ { function_entry, 0, 0, ", opcode_nr); - if ((code & generate_jumps)) - lf_printf(file, "&&"); - lf_printf(file, "%s_illegal },\n", - ((code & generate_with_icache) ? "icache" : "semantic")); - } -} - - -/****************************************************************/ - - -static void -print_goto_switch_name(lf *file, - insn_table *entry) -{ - lf_printf(file, "case_"); - if (entry->opcode == NULL) - print_function_name(file, - entry->insns->file_entry->fields[insn_name], - entry->expanded_bits, - ((code & generate_with_icache) - ? function_name_prefix_icache - : function_name_prefix_semantics)); - else - lf_print_table_name(file, entry); -} - -static void -print_goto_switch_table_leaf(insn_table *entry, - lf *file, - void *data, - insn *instruction, - int depth) -{ - ASSERT(entry->parent != NULL); - ASSERT(depth == 0); - ASSERT(entry->parent->opcode_rule->gen == goto_switch_gen); - ASSERT(entry->parent->opcode); - - lf_printf(file, "&&"); - print_goto_switch_name(file, entry); - lf_printf(file, ",\n"); -} - -static void -print_goto_switch_table_padding(insn_table *table, - lf *file, - void *data, - int depth, - int opcode_nr) -{ - ASSERT(depth == 0); - ASSERT(table->opcode_rule->gen == goto_switch_gen); - - lf_printf(file, "&&illegal_"); - lf_print_table_name(file, table); - lf_printf(file, ",\n"); -} - -static void -print_goto_switch_break(lf *file, - insn_table *entry) -{ - lf_printf(file, "goto break_"); - lf_print_table_name(file, entry->parent); - lf_printf(file, ";\n"); -} - - -static void -print_goto_switch_table(lf *file, - insn_table *table) -{ - lf_printf(file, "const static void *"); - lf_print_table_name(file, table); - lf_printf(file, "[] = {\n"); - lf_indent(file, +2); - insn_table_traverse_tree(table, - file, NULL/*data*/, - 0, - NULL/*start*/, - print_goto_switch_table_leaf, - NULL/*end*/, - print_goto_switch_table_padding); - lf_indent(file, -2); - lf_printf(file, "};\n"); -} - - -void print_idecode_switch -(lf *file, - insn_table *table, - const char *result); - -static void -print_idecode_switch_start(insn_table *table, - lf *file, - void *data, - int depth) -{ - /* const char *result = data; */ - ASSERT(depth == 0); - ASSERT(table->opcode_rule->gen == switch_gen - || table->opcode_rule->gen == goto_switch_gen - || table->opcode_rule->gen == padded_switch_gen); - - if (table->opcode->is_boolean - || table->opcode_rule->gen == switch_gen - || table->opcode_rule->gen == padded_switch_gen) { - lf_printf(file, "switch (EXTRACTED%d(instruction, %d, %d)) {\n", - insn_bit_size, - i2target(hi_bit_nr, table->opcode->first), - i2target(hi_bit_nr, table->opcode->last)); - } - else if (table->opcode_rule->gen == goto_switch_gen) { - if (table->parent != NULL - && (table->parent->opcode_rule->gen == switch_gen - || table->parent->opcode_rule->gen == goto_switch_gen - || table->parent->opcode_rule->gen == padded_switch_gen)) { - lf_printf(file, "{\n"); - lf_indent(file, +2); - } - print_goto_switch_table(file, table); - lf_printf(file, "ASSERT(EXTRACTED%d(instruction, %d, %d)\n", - insn_bit_size, - i2target(hi_bit_nr, table->opcode->first), - i2target(hi_bit_nr, table->opcode->last)); - lf_printf(file, " < (sizeof("); - lf_print_table_name(file, table); - lf_printf(file, ") / sizeof(void*)));\n"); - lf_printf(file, "goto *"); - lf_print_table_name(file, table); - lf_printf(file, "[EXTRACTED%d(instruction, %d, %d)];\n", - insn_bit_size, - i2target(hi_bit_nr, table->opcode->first), - i2target(hi_bit_nr, table->opcode->last)); - } - else { - ASSERT("bad switch" == NULL); - } -} - - -static void -print_idecode_switch_leaf(insn_table *entry, - lf *file, - void *data, - insn *instruction, - int depth) -{ - const char *result = data; - ASSERT(entry->parent != NULL); - ASSERT(depth == 0); - ASSERT(entry->parent->opcode_rule->gen == switch_gen - || entry->parent->opcode_rule->gen == goto_switch_gen - || entry->parent->opcode_rule->gen == padded_switch_gen); - ASSERT(entry->parent->opcode); - - if (entry->parent->opcode->is_boolean - && entry->opcode_nr == 0) { - /* boolean false target */ - lf_printf(file, "case %d:\n", entry->parent->opcode->boolean_constant); - } - else if (entry->parent->opcode->is_boolean - && entry->opcode_nr != 0) { - /* boolean true case */ - lf_printf(file, "default:\n"); - } - else if (entry->parent->opcode_rule->gen == switch_gen - || entry->parent->opcode_rule->gen == padded_switch_gen) { - /* normal goto */ - lf_printf(file, "case %d:\n", entry->opcode_nr); - } - else if (entry->parent->opcode_rule->gen == goto_switch_gen) { - /* lf_indent(file, -1); */ - print_goto_switch_name(file, entry); - lf_printf(file, ":\n"); - /* lf_indent(file, +1); */ - } - else { - ASSERT("bad switch" == NULL); - } - lf_indent(file, +2); - { - if (entry->opcode == NULL) { - /* switch calling leaf */ - if (entry->nr_insn != 1) { - error_leaf_contains_multiple_insn(entry); - } - if ((code & generate_jumps)) - lf_printf(file, "goto "); - if ((code & generate_calls)) - lf_printf(file, "%s ", result); - print_function_name(file, - entry->insns->file_entry->fields[insn_name], - entry->expanded_bits, - ((code & generate_with_icache) - ? function_name_prefix_icache - : function_name_prefix_semantics)); - if ((code & generate_calls)) { - lf_printf(file, "("); - print_semantic_function_actual(file); - lf_printf(file, ")"); - } - lf_printf(file, ";\n"); - } - else if (entry->opcode_rule->gen == switch_gen - || entry->opcode_rule->gen == goto_switch_gen - || entry->opcode_rule->gen == padded_switch_gen) { - /* switch calling switch */ - print_idecode_switch(file, entry, result); - } - else { - /* switch looking up a table */ - lf_printf(file, "{\n"); - lf_indent(file, -2); - print_idecode_table(file, entry, result); - lf_indent(file, -2); - lf_printf(file, "}\n"); - } - if (entry->parent->opcode->is_boolean - || entry->parent->opcode_rule->gen == switch_gen - || entry->parent->opcode_rule->gen == padded_switch_gen) { - lf_printf(file, "break;\n"); - } - else if (entry->parent->opcode_rule->gen == goto_switch_gen) { - print_goto_switch_break(file, entry); - } - else { - ASSERT("bad switch" == NULL); - } - } - lf_indent(file, -2); -} - - -static void -print_idecode_switch_illegal(lf *file, - const char *result) -{ - lf_indent(file, +2); - print_idecode_invalid(file, result, invalid_illegal); - lf_printf(file, "break;\n"); - lf_indent(file, -2); -} - -static void -print_idecode_switch_end(insn_table *table, - lf *file, - void *data, - int depth) -{ - const char *result = data; - ASSERT(depth == 0); - ASSERT(table->opcode_rule->gen == switch_gen - || table->opcode_rule->gen == goto_switch_gen - || table->opcode_rule->gen == padded_switch_gen); - ASSERT(table->opcode); - - if (table->opcode->is_boolean) { - lf_printf(file, "}\n"); - } - else if (table->opcode_rule->gen == switch_gen - || table->opcode_rule->gen == padded_switch_gen) { - lf_printf(file, "default:\n"); - switch (table->opcode_rule->gen) { - case switch_gen: - print_idecode_switch_illegal(file, result); - break; - case padded_switch_gen: - lf_printf(file, " error(\"Internal error - bad switch generated\\n\");\n"); - lf_printf(file, " break;\n"); - break; - default: - ASSERT("bad switch" == NULL); - } - lf_printf(file, "}\n"); - } - else if (table->opcode_rule->gen == goto_switch_gen) { - lf_printf(file, "illegal_"); - lf_print_table_name(file, table); - lf_printf(file, ":\n"); - print_idecode_invalid(file, result, invalid_illegal); - lf_printf(file, "break_"); - lf_print_table_name(file, table); - lf_printf(file, ":;\n"); - if (table->parent != NULL - && (table->parent->opcode_rule->gen == switch_gen - || table->parent->opcode_rule->gen == goto_switch_gen - || table->parent->opcode_rule->gen == padded_switch_gen)) { - lf_indent(file, -2); - lf_printf(file, "}\n"); - } - } - else { - ASSERT("bad switch" == NULL); - } -} - -static void -print_idecode_switch_padding(insn_table *table, - lf *file, - void *data, - int depth, - int opcode_nr) -{ - const char *result = data; - ASSERT(depth == 0); - ASSERT(table->opcode_rule->gen == switch_gen - || table->opcode_rule->gen == goto_switch_gen - || table->opcode_rule->gen == padded_switch_gen); - - switch (table->opcode_rule->gen) { - case switch_gen: - break; - case padded_switch_gen: - lf_printf(file, "case %d:\n", opcode_nr); - print_idecode_switch_illegal(file, result); - break; - case goto_switch_gen: - /* no padding needed */ - break; - default: - ASSERT("bad switch" != NULL); - } -} - - -void -print_idecode_switch(lf *file, - insn_table *table, - const char *result) -{ - insn_table_traverse_tree(table, - file, (void*)result, - 0, - print_idecode_switch_start, - print_idecode_switch_leaf, - print_idecode_switch_end, - print_idecode_switch_padding); -} - - -static void -print_idecode_switch_function_header(lf *file, - insn_table *table, - int is_function_definition) -{ - lf_printf(file, "\n"); - if ((code & generate_calls)) { - lf_printf(file, "static "); - if ((code & generate_with_icache)) - lf_printf(file, "idecode_semantic *"); - else - lf_printf(file, "unsigned_word"); - if (is_function_definition) - lf_printf(file, "\n"); - else - lf_printf(file, " "); - lf_print_table_name(file, table); - lf_printf(file, "\n("); - print_icache_function_formal(file); - lf_printf(file, ")"); - if (!is_function_definition) - lf_printf(file, ";"); - lf_printf(file, "\n"); - } - if ((code & generate_jumps) && is_function_definition) { - lf_indent(file, -1); - lf_print_table_name(file, table); - lf_printf(file, ":\n"); - lf_indent(file, +1); - } -} - - -static void -idecode_declare_if_switch(insn_table *table, - lf *file, - void *data, - int depth) -{ - if ((table->opcode_rule->gen == switch_gen - || table->opcode_rule->gen == goto_switch_gen - || table->opcode_rule->gen == padded_switch_gen) - && table->parent != NULL /* don't declare the top one yet */ - && table->parent->opcode_rule->gen == array_gen) { - print_idecode_switch_function_header(file, - table, - 0/*isnt function definition*/); - } -} - - -static void -idecode_expand_if_switch(insn_table *table, - lf *file, - void *data, - int depth) -{ - if ((table->opcode_rule->gen == switch_gen - || table->opcode_rule->gen == goto_switch_gen - || table->opcode_rule->gen == padded_switch_gen) - && table->parent != NULL /* don't expand the top one yet */ - && table->parent->opcode_rule->gen == array_gen) { - print_idecode_switch_function_header(file, - table, - 1/*is function definition*/); - if ((code & generate_calls)) { - lf_printf(file, "{\n"); - lf_indent(file, +2); - } - print_idecode_switch(file, table, "return"); - if ((code & generate_calls)) { - lf_indent(file, -2); - lf_printf(file, "}\n"); - } - } -} - - -/****************************************************************/ - - -static void -print_idecode_lookups(lf *file, - insn_table *table, - cache_table *cache_rules) -{ - int depth; - - /* output switch function declarations where needed by tables */ - insn_table_traverse_tree(table, - file, NULL, - 1, - idecode_declare_if_switch, /* START */ - NULL, NULL, NULL); - - /* output tables where needed */ - for (depth = insn_table_depth(table); - depth > 0; - depth--) { - insn_table_traverse_tree(table, - file, NULL, - 1-depth, - print_idecode_table_start, - print_idecode_table_leaf, - print_idecode_table_end, - print_idecode_table_padding); - } - - /* output switch functions where needed */ - insn_table_traverse_tree(table, - file, NULL, - 1, - idecode_expand_if_switch, /* START */ - NULL, NULL, NULL); -} - - -static void -print_idecode_body(lf *file, - insn_table *table, - const char *result) -{ - if (table->opcode_rule->gen == switch_gen - || table->opcode_rule->gen == goto_switch_gen - || table->opcode_rule->gen == padded_switch_gen) - print_idecode_switch(file, table, result); - else - print_idecode_table(file, table, result); -} - - -/****************************************************************/ - - -static void -print_idecode_issue_function_body(lf *file, - insn_table *table, - int can_stop) -{ - lf_printf(file, "{\n"); - lf_indent(file, +2); - lf_printf(file, "%sinstruction_address nia;\n", global_name_prefix); - if (!(code & generate_with_icache)) { - print_idecode_body(file, table, "nia =");; - } - else { - error("FIXME - idecode with cache?\n"); - lf_putstr(file, "idecode_cache *cache_entry =\n"); - lf_putstr(file, " cpu_icache_entry(cpu, cia);\n"); - lf_putstr(file, "if (cache_entry->address == cia) {\n"); - lf_putstr(file, " /* cache hit */\n"); - lf_putstr(file, " idecode_semantic *const semantic = cache_entry->semantic;\n"); - lf_putstr(file, " cia = semantic(cpu, cache_entry, cia);\n"); - /* tail */ - if (can_stop) { - lf_putstr(file, "if (keep_running != NULL && !*keep_running)\n"); - lf_putstr(file, " cpu_halt(cpu, cia, was_continuing, 0/*ignore*/);\n"); - } - lf_putstr(file, "}\n"); - lf_putstr(file, "else {\n"); - lf_putstr(file, " /* cache miss */\n"); - if (!(code & generate_with_semantic_icache)) { - lf_indent(file, +2); - lf_putstr(file, "idecode_semantic *semantic;\n"); - lf_indent(file, -2); - } - lf_putstr(file, " instruction_word instruction =\n"); - lf_putstr(file, " vm_instruction_map_read(cpu_instruction_map(cpu), cpu, cia);\n"); - lf_putstr(file, " if (WITH_MON != 0)\n"); - lf_putstr(file, " mon_event(mon_event_icache_miss, cpu, cia);\n"); - if ((code & generate_with_semantic_icache)) { - lf_putstr(file, "{\n"); - lf_indent(file, +2); - print_idecode_body(file, table, "cia ="); - lf_indent(file, -2); - lf_putstr(file, "}\n"); - } - else { - print_idecode_body(file, table, "semantic ="); - lf_putstr(file, " cia = semantic(cpu, cache_entry, cia);\n"); - } - lf_putstr(file, "}\n"); - } - lf_printf(file, "return nia;\n"); - lf_indent(file, -2); - lf_printf(file, "}\n"); -} - - -/****************************************************************/ - -static void -print_jump(lf *file, - int is_tail) -{ - if (is_tail) { - lf_putstr(file, "if (keep_running != NULL && !*keep_running)\n"); - lf_putstr(file, " cpu_halt(cpu, nia, was_continuing, 0/*na*/);\n"); - } - - if (!generate_smp) { - lf_putstr(file, "if (WITH_EVENTS) {\n"); - lf_putstr(file, " if (event_queue_tick(events)) {\n"); - lf_putstr(file, " cpu_set_program_counter(cpu, nia);\n"); - lf_putstr(file, " event_queue_process(events);\n"); - lf_putstr(file, " nia = cpu_get_program_counter(cpu);\n"); - lf_putstr(file, " }\n"); - lf_putstr(file, "}\n"); - } - - if (generate_smp) { - if (is_tail) - lf_putstr(file, "cpu_set_program_counter(cpu, nia);\n"); - lf_putstr(file, "if (WITH_EVENTS) {\n"); - lf_putstr(file, " current_cpu += 1;\n"); - lf_putstr(file, " if (current_cpu >= nr_cpus) {\n"); - lf_putstr(file, " if (event_queue_tick(events)) {\n"); - lf_putstr(file, " event_queue_process(events);\n"); - lf_putstr(file, " }\n"); - lf_putstr(file, " current_cpu = 0;\n"); - lf_putstr(file, " }\n"); - lf_putstr(file, "}\n"); - lf_putstr(file, "else {\n"); - lf_putstr(file, " current_cpu = (current_cpu + 1) % nr_cpus;\n"); - lf_putstr(file, "}\n"); - lf_putstr(file, "cpu = cpus[current_cpu];\n"); - lf_putstr(file, "nia = cpu_get_program_counter(cpu);\n"); - } - - if ((code & generate_with_icache)) { - lf_putstr(file, "cache_entry = cpu_icache_entry(cpu, nia);\n"); - lf_putstr(file, "if (cache_entry->address == nia) {\n"); - lf_putstr(file, " /* cache hit */\n"); - lf_putstr(file, " goto *cache_entry->semantic;\n"); - lf_putstr(file, "}\n"); - if (is_tail) { - lf_putstr(file, "goto cache_miss;\n"); - } - } - - if (!(code & generate_with_icache) && is_tail) { - lf_printf(file, "goto idecode;\n"); - } - -} - - - - - -static void -print_jump_insn(lf *file, - insn *instruction, - insn_bits *expanded_bits, - opcode_field *opcodes, - cache_table *cache_rules) -{ - - /* what we are for the moment */ - lf_printf(file, "\n"); - print_my_defines(file, expanded_bits, instruction->file_entry); - - /* output the icache entry */ - if ((code & generate_with_icache)) { - lf_printf(file, "\n"); - lf_indent(file, -1); - print_function_name(file, - instruction->file_entry->fields[insn_name], - expanded_bits, - function_name_prefix_icache); - lf_printf(file, ":\n"); - lf_indent(file, +1); - lf_printf(file, "{\n"); - lf_indent(file, +2); - lf_putstr(file, "const unsigned_word cia = nia;\n"); - print_itrace(file, instruction->file_entry, 1/*putting-value-in-cache*/); - print_idecode_validate(file, instruction, opcodes); - lf_printf(file, "\n"); - lf_printf(file, "{\n"); - lf_indent(file, +2); - print_icache_body(file, - instruction, - expanded_bits, - cache_rules, - 0, /*use_defines*/ - put_values_in_icache); - lf_printf(file, "cache_entry->address = nia;\n"); - lf_printf(file, "cache_entry->semantic = &&"); - print_function_name(file, - instruction->file_entry->fields[insn_name], - expanded_bits, - function_name_prefix_semantics); - lf_printf(file, ";\n"); - if ((code & generate_with_semantic_icache)) { - print_semantic_body(file, - instruction, - expanded_bits, - opcodes); - print_jump(file, 1/*is-tail*/); - } - else { - lf_printf(file, "/* goto "); - print_function_name(file, - instruction->file_entry->fields[insn_name], - expanded_bits, - function_name_prefix_semantics); - lf_printf(file, "; */\n"); - } - lf_indent(file, -2); - lf_putstr(file, "}\n"); - lf_indent(file, -2); - lf_printf(file, "}\n"); - } - - /* print the semantics */ - lf_printf(file, "\n"); - lf_indent(file, -1); - print_function_name(file, - instruction->file_entry->fields[insn_name], - expanded_bits, - function_name_prefix_semantics); - lf_printf(file, ":\n"); - lf_indent(file, +1); - lf_printf(file, "{\n"); - lf_indent(file, +2); - lf_putstr(file, "const unsigned_word cia = nia;\n"); - print_icache_body(file, - instruction, - expanded_bits, - cache_rules, - ((code & generate_with_direct_access) - ? define_variables - : declare_variables), - ((code & generate_with_icache) - ? get_values_from_icache - : do_not_use_icache)); - print_semantic_body(file, - instruction, - expanded_bits, - opcodes); - if (code & generate_with_direct_access) - print_icache_body(file, - instruction, - expanded_bits, - cache_rules, - undef_variables, - ((code & generate_with_icache) - ? get_values_from_icache - : do_not_use_icache)); - print_jump(file, 1/*is tail*/); - lf_indent(file, -2); - lf_printf(file, "}\n"); -} - -static void -print_jump_definition(insn_table *entry, - lf *file, - void *data, - insn *instruction, - int depth) -{ - cache_table *cache_rules = (cache_table*)data; - if (generate_expanded_instructions) { - ASSERT(entry->nr_insn == 1 - && entry->opcode == NULL - && entry->parent != NULL - && entry->parent->opcode != NULL); - ASSERT(entry->nr_insn == 1 - && entry->opcode == NULL - && entry->parent != NULL - && entry->parent->opcode != NULL - && entry->parent->opcode_rule != NULL); - print_jump_insn(file, - entry->insns, - entry->expanded_bits, - entry->opcode, - cache_rules); - } - else { - print_jump_insn(file, - instruction, - NULL, - NULL, - cache_rules); - } -} - -static void -print_jump_internal_function(insn_table *table, - lf *file, - void *data, - table_entry *function) -{ - if (it_is("internal", function->fields[insn_flags])) { - lf_printf(file, "\n"); - table_entry_print_cpp_line_nr(file, function); - lf_indent(file, -1); - print_function_name(file, - function->fields[insn_name], - NULL, - ((code & generate_with_icache) - ? function_name_prefix_icache - : function_name_prefix_semantics)); - lf_printf(file, ":\n"); - lf_indent(file, +1); - lf_printf(file, "{\n"); - lf_indent(file, +2); - lf_printf(file, "const unsigned_word cia = nia;\n"); - lf_print__c_code(file, function->annex); - lf_print__internal_reference(file); - lf_printf(file, "error(\"Internal function must longjump\\n\");\n"); - lf_indent(file, -2); - lf_printf(file, "}\n"); - } -} - -#ifdef UNUSED -static void -print_jump_until_stop_body(lf *file, - insn_table *table, - cache_table *cache_rules, - int can_stop) -{ - lf_printf(file, "{\n"); - lf_indent(file, +2); - if (!can_stop) - lf_printf(file, "int *keep_running = NULL;\n"); - lf_putstr(file, "jmp_buf halt;\n"); - lf_putstr(file, "jmp_buf restart;\n"); - lf_putstr(file, "sim_cpu *cpu = NULL;\n"); - lf_putstr(file, "unsigned_word nia = -1;\n"); - lf_putstr(file, "instruction_word instruction = 0;\n"); - if ((code & generate_with_icache)) { - lf_putstr(file, "idecode_cache *cache_entry = NULL;\n"); - } - if (generate_smp) { - lf_putstr(file, "int current_cpu = -1;\n"); - } - - /* all the switches and tables - they know about jumping */ - print_idecode_lookups(file, table, cache_rules); - - /* start the simulation up */ - if ((code & generate_with_icache)) { - lf_putstr(file, "\n"); - lf_putstr(file, "{\n"); - lf_putstr(file, " int cpu_nr;\n"); - lf_putstr(file, " for (cpu_nr = 0; cpu_nr < nr_cpus; cpu_nr++)\n"); - lf_putstr(file, " cpu_flush_icache(cpus[cpu_nr]);\n"); - lf_putstr(file, "}\n"); - } - - lf_putstr(file, "\n"); - lf_putstr(file, "psim_set_halt_and_restart(system, &halt, &restart);\n"); - - lf_putstr(file, "\n"); - lf_putstr(file, "if (setjmp(halt))\n"); - lf_putstr(file, " return;\n"); - - lf_putstr(file, "\n"); - lf_putstr(file, "setjmp(restart);\n"); - - lf_putstr(file, "\n"); - if (!generate_smp) { - lf_putstr(file, "cpu = cpus[0];\n"); - lf_putstr(file, "nia = cpu_get_program_counter(cpu);\n"); - } - else { - lf_putstr(file, "current_cpu = psim_last_cpu(system);\n"); - } - - if (!(code & generate_with_icache)) { - lf_printf(file, "\n"); - lf_indent(file, -1); - lf_printf(file, "idecode:\n"); - lf_indent(file, +1); - } - - print_jump(file, 0/*is_tail*/); - - if ((code & generate_with_icache)) { - lf_indent(file, -1); - lf_printf(file, "cache_miss:\n"); - lf_indent(file, +1); - } - - lf_putstr(file, "instruction\n"); - lf_putstr(file, " = vm_instruction_map_read(cpu_instruction_map(cpu),\n"); - lf_putstr(file, " cpu, nia);\n"); - print_idecode_body(file, table, "/*IGORE*/"); - - /* print out a table of all the internals functions */ - insn_table_traverse_function(table, - file, NULL, - print_jump_internal_function); - - /* print out a table of all the instructions */ - if (generate_expanded_instructions) - insn_table_traverse_tree(table, - file, cache_rules, - 1, - NULL, /* start */ - print_jump_definition, /* leaf */ - NULL, /* end */ - NULL); /* padding */ - else - insn_table_traverse_insn(table, - file, cache_rules, - print_jump_definition); - lf_indent(file, -2); - lf_printf(file, "}\n"); -} -#endif - -/****************************************************************/ - - - -/* Output code to do any final checks on the decoded instruction. - This includes things like verifying any on decoded fields have the - correct value and checking that (for floating point) floating point - hardware isn't disabled */ - -void -print_idecode_validate(lf *file, - insn *instruction, - opcode_field *opcodes) -{ - /* Validate: unchecked instruction fields - - If any constant fields in the instruction were not checked by the - idecode tables, output code to check that they have the correct - value here */ - { - insn_int check_mask = 0; - insn_int check_val = 0; - insn_field *field; - opcode_field *opcode; - - /* form check_mask/check_val containing what needs to be checked - in the instruction */ - for (field = instruction->fields->first; - field->first < insn_bit_size; - field = field->next) { - - check_mask <<= field->width; - check_val <<= field->width; - - /* is it a constant that could need validating? */ - if (!field->is_int && !field->is_reserved) - continue; - - /* has it been checked by a table? */ - for (opcode = opcodes; opcode != NULL; opcode = opcode->parent) { - if (field->first >= opcode->first - && field->last <= opcode->last) - break; - } - if (opcode != NULL) - continue; - - check_mask |= (1 << field->width)-1; - check_val |= field->val_int; - } - - /* if any bits not checked by opcode tables, output code to check them */ - if (check_mask) { - lf_printf(file, "\n"); - lf_indent_suppress(file); - lf_printf(file, "#if defined(WITH_RESERVED_BITS)\n"); - lf_printf(file, "/* validate: %s */\n", - instruction->file_entry->fields[insn_format]); - lf_printf(file, "if (WITH_RESERVED_BITS\n"); - if (insn_bit_size > 32) { - lf_printf(file, " && (instruction & 0x%08lx%08lxLL) != 0x%08lx%08lxLL) {\n", - (unsigned long)(check_mask >> 32), - (unsigned long)(check_mask), - (unsigned long)(check_val >> 32), - (unsigned long)(check_val)); - } - else { - lf_printf(file, " && (instruction & 0x%08lx) != 0x%08lx) {\n", - (unsigned long)(check_mask), - (unsigned long)(check_val)); - } - lf_indent(file, +2); - print_idecode_invalid(file, "return", invalid_illegal); - lf_indent(file, -2); - lf_printf(file, "}\n"); - lf_indent_suppress(file); - lf_printf(file, "#endif\n"); - } - } - - /* Validate: Floating Point hardware - - If the simulator is being built with out floating point hardware - (different to it being disabled in the MSR) then floating point - instructions are invalid */ - { - if (it_is("f", instruction->file_entry->fields[insn_flags])) { - lf_printf(file, "\n"); - lf_indent_suppress(file); - lf_printf(file, "#if defined(CURRENT_FLOATING_POINT\n"); - lf_printf(file, "/* Validate: FP hardware exists */\n"); - lf_printf(file, "if (CURRENT_FLOATING_POINT != HARD_FLOATING_POINT) {\n"); - lf_indent(file, +2); - print_idecode_invalid(file, "return", invalid_illegal); - lf_indent(file, -2); - lf_printf(file, "}\n"); - lf_indent_suppress(file); - lf_printf(file, "#endif\n"); - } - } - - /* Validate: Floating Point available - - If floating point is not available, we enter a floating point - unavailable interrupt into the cache instead of the instruction - proper. - - The PowerPC spec requires a CSI after MSR[FP] is changed and when - ever a CSI occures we flush the instruction cache. */ - - { - if (it_is("f", instruction->file_entry->fields[insn_flags])) { - lf_printf(file, "\n"); - lf_indent_suppress(file); - lf_printf(file, "#if defined(IS_FP_AVAILABLE)\n"); - lf_printf(file, "/* Validate: FP available according to cpu */\n"); - lf_printf(file, "if (!IS_FP_AVAILABLE) {\n"); - lf_indent(file, +2); - print_idecode_invalid(file, "return", invalid_fp_unavailable); - lf_indent(file, -2); - lf_printf(file, "}\n"); - lf_indent_suppress(file); - lf_printf(file, "#endif\n"); - } - } - - /* Validate: Validate Instruction in correct slot - - Some architectures place restrictions on the slot that an - instruction can be issued in */ - - { - if (it_is("s", instruction->file_entry->fields[insn_options]) - || (code & generate_with_idecode_slot_verification)) { - lf_printf(file, "\n"); - lf_indent_suppress(file); - lf_printf(file, "#if defined(IS_WRONG_SLOT)\n"); - lf_printf(file, "/* Validate: Instruction issued in correct slot */\n"); - lf_printf(file, "if (IS_WRONG_SLOT) {\n"); - lf_indent(file, +2); - print_idecode_invalid(file, "return", invalid_wrong_slot); - lf_indent(file, -2); - lf_printf(file, "}\n"); - lf_indent_suppress(file); - lf_printf(file, "#endif\n"); - } - } - -} - - -/****************************************************************/ - - -static void -print_idecode_issue_function_header(lf *file, - int is_function_definition) -{ - int indent; - lf_printf(file, "\n"); - lf_print_function_type_function(file, print_semantic_function_type, "INLINE_IDECODE", - (is_function_definition ? "\n" : " ")); - indent = print_function_name(file, "issue", NULL, function_name_prefix_idecode); - if (is_function_definition) - lf_indent(file, +indent); - else - lf_putstr(file, "\n"); - lf_putstr(file, "("); - print_semantic_function_formal(file); - lf_putstr(file, ")"); - if (is_function_definition) - lf_indent(file, -indent); - else - lf_printf(file, ";"); - lf_printf(file, "\n"); -} - - -void -gen_idecode_h (lf *file, - insn_table *table, - cache_table *cache_rules) -{ - lf_printf(file, "typedef unsigned%d %sinstruction_word;\n", - insn_bit_size, global_name_prefix); - - if ((code & generate_with_semantic_delayed_branch)) - { - lf_printf (file, "typedef struct _%sinstruction_address {\n", - global_name_prefix); - lf_printf (file, " address_word ip; /* instruction pointer */\n"); - lf_printf (file, " address_word dp; /* delayed-slot pointer */\n"); - lf_printf (file, "} %sinstruction_address;\n", global_name_prefix); - } - else - { - lf_printf (file, "typedef address_word %sinstruction_address;\n", - global_name_prefix); - - } - lf_printf(file, "\n"); - print_icache_struct(table, cache_rules, file); - lf_printf(file, "\n"); - if ((code & generate_with_icache)) - { - error("FIXME - idecode with icache incomplete"); - } - else - { - print_idecode_issue_function_header(file, 0/*is definition*/); - } -} - - -static void -print_idecode_globals(lf *file, - insn_table *table, - cache_table *cache_rules) -{ - lf_printf(file, "enum {\n"); - lf_printf(file, " /* greater or equal to zero => table */\n"); - lf_printf(file, " function_entry = -1,\n"); - lf_printf(file, " boolean_entry = -2,\n"); - lf_printf(file, "};\n"); - lf_printf(file, "\n"); - lf_printf(file, "typedef struct _idecode_table_entry {\n"); - lf_printf(file, " int shift;\n"); - lf_printf(file, " unsigned%d mask;\n", insn_bit_size); - lf_printf(file, " unsigned%d value;\n", insn_bit_size); - lf_printf(file, " void *function_or_table;\n"); - lf_printf(file, "} idecode_table_entry;\n"); -} - - -void -gen_idecode_c(lf *file, - insn_table *table, - cache_table *cache_rules) -{ - /* the intro */ - lf_printf(file, "#include \"sim-main.h\"\n"); - lf_printf(file, "#include \"%sidecode.h\"\n", global_name_prefix); - lf_printf(file, "#include \"%ssemantics.h\"\n", global_name_prefix); - lf_printf(file, "#include \"%sicache.h\"\n", global_name_prefix); - lf_printf(file, "#include \"%ssupport.h\"\n", global_name_prefix); - lf_printf(file, "\n"); - lf_printf(file, "\n"); - - print_idecode_globals(file, table, cache_rules); - lf_printf(file, "\n"); - - if ((code & generate_calls)) { - - print_idecode_lookups(file, table, cache_rules); - - /* output the main idecode routine */ - if ((code & generate_with_icache)) { - error("FIXME - handle the icache"); - } - else { - print_idecode_issue_function_header(file, 1/*is definition*/); - print_idecode_issue_function_body(file, table, 0/* have stop argument */); - } - - } - else if ((code & generate_jumps)) { - - lf_printf(file, "/* this file is intentionally left blank - generating a jump engine */\n"); - - } - else { - error("Something is wrong!\n"); - } -} diff --git a/sim/igen/gen-idecode.h b/sim/igen/gen-idecode.h deleted file mode 100644 index f46376b..0000000 --- a/sim/igen/gen-idecode.h +++ /dev/null @@ -1,40 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - -extern void gen_idecode_h -(lf *file, - insn_table *table, - cache_table *cache_rules); - -extern void gen_idecode_c -(lf *file, - insn_table *table, - cache_table *cache_rules); - - -/* Output code to do any final checks on the decoded instruction. - This includes things like verifying any on decoded fields have the - correct value and checking that (for floating point) floating point - hardware isn't disabled */ - -extern void print_idecode_validate -(lf *file, - insn *instruction, - opcode_field *opcodes); diff --git a/sim/igen/gen-itable.c b/sim/igen/gen-itable.c deleted file mode 100644 index 735412e..0000000 --- a/sim/igen/gen-itable.c +++ /dev/null @@ -1,246 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - - -#include "misc.h" -#include "lf.h" -#include "table.h" -#include "filter.h" -#include "igen.h" - -#include "ld-insn.h" -#include "ld-decode.h" - -#include "gen.h" - -#include "gen-itable.h" - -#ifndef NULL -#define NULL 0 -#endif - - - -static void -itable_h_insn (lf *file, - insn_table *entry, - insn_entry *instruction, - void *data) -{ - lf_print__line_ref (file, instruction->line); - lf_printf (file, " "); - print_function_name (file, - instruction->name, - instruction->format_name, - NULL, - NULL, - function_name_prefix_itable); - lf_printf (file, ",\n"); -} - - -/* print the list of all the different options */ - -static void -itable_print_enum (lf *file, - filter *set, - char *name) -{ - char *elem; - lf_printf (file, "typedef enum {\n"); - lf_indent (file, +2); - for (elem = filter_next (set, ""); - elem != NULL; - elem = filter_next (set, elem)) - { - lf_printf (file, "%sitable_%s_%s,\n", - options.prefix.itable.name, name, elem); - if (strlen (options.prefix.itable.name) > 0) - { - lf_indent_suppress (file); - lf_printf (file, "#define itable_%s_%s %sitable_%s_%s\n", - name, elem, options.prefix.itable.name, name, elem); - } - } - lf_printf (file, "nr_%sitable_%ss,", options.prefix.itable.name, name); - - lf_indent (file, -2); - lf_printf (file, "\n} %sitable_%ss;\n", options.prefix.itable.name, name); - if (strlen (options.prefix.itable.name) > 0) - { - lf_indent_suppress (file); - lf_printf (file, "#define itable_%ss %sitable_%ss\n", - name, options.prefix.itable.name, name); - lf_indent_suppress (file); - lf_printf (file, "#define nr_itable_%ss nr_%sitable_%ss\n", - name, options.prefix.itable.name, name); - } - lf_printf (file, "\n"); -} - -extern void -gen_itable_h (lf *file, - insn_table *isa) -{ - - /* output an enumerated type for each instruction */ - lf_printf (file, "typedef enum {\n"); - insn_table_traverse_insn (file, isa, itable_h_insn, NULL); - lf_printf (file, " nr_%sitable_entries,\n", options.prefix.itable.name); - lf_printf (file, "} %sitable_index;\n", options.prefix.itable.name); - lf_printf (file, "\n"); - - /* output an enumeration type for each flag */ - itable_print_enum (file, isa->flags, "flag"); - - /* output an enumeration of all the possible options */ - itable_print_enum (file, isa->options, "option"); - - /* output an enumeration of all the processor models */ - itable_print_enum (file, isa->model->processors, "processor"); - - /* output the table that contains the actual instruction info */ - lf_printf (file, "typedef struct _%sitable_instruction_info {\n", - options.prefix.itable.name); - lf_printf (file, " %sitable_index nr;\n", options.prefix.itable.name); - lf_printf (file, " char *format;\n"); - lf_printf (file, " char *form;\n"); - lf_printf (file, " char *flags;\n"); - lf_printf (file, " char flag[nr_%sitable_flags];\n", - options.prefix.itable.name); - lf_printf (file, " char *options;\n"); - lf_printf (file, " char option[nr_%sitable_options];\n", - options.prefix.itable.name); - lf_printf (file, " char *processors;\n"); - lf_printf (file, " char processor[nr_%sitable_processors];\n", - options.prefix.itable.name); - lf_printf (file, " char *name;\n"); - lf_printf (file, " char *file;\n"); - lf_printf (file, " int line_nr;\n"); - lf_printf (file, "} %sitable_info;\n", options.prefix.itable.name); - lf_printf (file, "\n"); - lf_printf (file, "extern %sitable_info %sitable[nr_%sitable_entries];\n", - options.prefix.itable.name, options.prefix.itable.name, - options.prefix.itable.name); - if (strlen (options.prefix.itable.name) > 0) - { - lf_indent_suppress (file); - lf_printf (file, "#define itable %sitable\n", - options.prefix.itable.name); - } -} - - -/****************************************************************/ - -static void -itable_print_set (lf *file, - filter *set, - filter *members) -{ - char *elem; - lf_printf (file, "\""); - elem = filter_next (members, ""); - if (elem != NULL) - { - while (1) - { - lf_printf (file, "%s", elem); - elem = filter_next (members, elem); - if (elem == NULL) - break; - lf_printf (file, ","); - } - } - lf_printf (file, "\",\n"); - - lf_printf(file, "{"); - for (elem = filter_next (set, ""); - elem != NULL; - elem = filter_next (set, elem)) - { - if (filter_is_member (members, elem)) - { - lf_printf (file, " 1,"); - } - else - { - lf_printf (file, " 0,"); - } - - } - lf_printf(file, " },\n"); -} - - -static void -itable_c_insn (lf *file, - insn_table *isa, - insn_entry *instruction, - void *data) -{ - lf_printf (file, "{ "); - lf_indent (file, +2); - print_function_name (file, - instruction->name, - instruction->format_name, - NULL, - NULL, - function_name_prefix_itable); - lf_printf (file, ",\n"); - lf_printf (file, "\""); - print_insn_words (file, instruction); - lf_printf (file, "\",\n"); - lf_printf (file, "\"%s\",\n", instruction->format_name); - - itable_print_set (file, isa->flags, instruction->flags); - itable_print_set (file, isa->options, instruction->options); - itable_print_set (file, isa->model->processors, instruction->processors); - - lf_printf(file, "\"%s\",\n", instruction->name); - lf_printf(file, "\"%s\",\n", - filter_filename (instruction->line->file_name)); - lf_printf(file, "%d,\n", instruction->line->line_nr); - lf_printf(file, "},\n"); - lf_indent (file, -2); -} - - -extern void -gen_itable_c (lf *file, - insn_table *isa) -{ - /* leader */ - lf_printf(file, "#include \"%sitable.h\"\n", options.prefix.itable.name); - lf_printf(file, "\n"); - - /* FIXME - output model data??? */ - /* FIXME - output assembler data??? */ - - /* output the table that contains the actual instruction info */ - lf_printf(file, "%sitable_info %sitable[nr_%sitable_entries] = {\n", - options.prefix.itable.name, - options.prefix.itable.name, - options.prefix.itable.name); - insn_table_traverse_insn (file, isa, itable_c_insn, NULL); - - lf_printf(file, "};\n"); -} diff --git a/sim/igen/gen-itable.h b/sim/igen/gen-itable.h deleted file mode 100644 index 341dc67..0000000 --- a/sim/igen/gen-itable.h +++ /dev/null @@ -1,28 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - -extern void gen_itable_h -(insn_table *table, - lf *file); - -extern void gen_itable_c -(insn_table *table, - lf *file); diff --git a/sim/igen/gen-model.c b/sim/igen/gen-model.c deleted file mode 100644 index 4ec1677..0000000 --- a/sim/igen/gen-model.c +++ /dev/null @@ -1,393 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - -#include "misc.h" -#include "lf.h" -#include "table.h" - -#include "filter.h" - -#include "ld-decode.h" -#include "ld-insn.h" - -#include "gen-model.h" - -#ifndef NULL -#define NULL 0 -#endif - - -static void -model_c_or_h_data(insn_table *table, - lf *file, - table_entry *data) -{ - if (data->annex) { - table_entry_print_cpp_line_nr(file, data); - lf_print__c_code(file, data->annex); - lf_print__internal_reference(file); - lf_printf(file, "\n"); - } -} - -static void -model_c_or_h_function(insn_table *entry, - lf *file, - table_entry *function, - char *prefix) -{ - if (function->fields[function_type] == NULL - || function->fields[function_type][0] == '\0') { - error("Model function type not specified for %s", function->fields[function_name]); - } - lf_printf(file, "\n"); - lf_print_function_type(file, function->fields[function_type], prefix, " "); - lf_printf(file, "%s\n(%s);\n", - function->fields[function_name], - function->fields[function_param]); - lf_printf(file, "\n"); -} - -void -gen_model_h(insn_table *table, lf *file) -{ - insn *insn_ptr; - model *model_ptr; - insn *macro; - char *name; - int model_create_p = 0; - int model_init_p = 0; - int model_halt_p = 0; - int model_mon_info_p = 0; - int model_mon_info_free_p = 0; - - for(macro = model_macros; macro; macro = macro->next) { - model_c_or_h_data(table, file, macro->file_entry); - } - - lf_printf(file, "typedef enum _model_enum {\n"); - lf_printf(file, " MODEL_NONE,\n"); - for (model_ptr = models; model_ptr; model_ptr = model_ptr->next) { - lf_printf(file, " MODEL_%s,\n", model_ptr->name); - } - lf_printf(file, " nr_models\n"); - lf_printf(file, "} model_enum;\n"); - lf_printf(file, "\n"); - - lf_printf(file, "#define DEFAULT_MODEL MODEL_%s\n", (models) ? models->name : "NONE"); - lf_printf(file, "\n"); - - lf_printf(file, "typedef struct _model_data model_data;\n"); - lf_printf(file, "typedef struct _model_time model_time;\n"); - lf_printf(file, "\n"); - - lf_printf(file, "extern model_enum current_model;\n"); - lf_printf(file, "extern const char *model_name[ (int)nr_models ];\n"); - lf_printf(file, "extern const char *const *const model_func_unit_name[ (int)nr_models ];\n"); - lf_printf(file, "extern const model_time *const model_time_mapping[ (int)nr_models ];\n"); - lf_printf(file, "\n"); - - for(insn_ptr = model_functions; insn_ptr; insn_ptr = insn_ptr->next) { - model_c_or_h_function(table, file, insn_ptr->file_entry, "INLINE_MODEL"); - name = insn_ptr->file_entry->fields[function_name]; - if (strcmp (name, "model_create") == 0) - model_create_p = 1; - else if (strcmp (name, "model_init") == 0) - model_init_p = 1; - else if (strcmp (name, "model_halt") == 0) - model_halt_p = 1; - else if (strcmp (name, "model_mon_info") == 0) - model_mon_info_p = 1; - else if (strcmp (name, "model_mon_info_free") == 0) - model_mon_info_free_p = 1; - } - - if (!model_create_p) { - lf_print_function_type(file, "model_data *", "INLINE_MODEL", " "); - lf_printf(file, "model_create\n"); - lf_printf(file, "(cpu *processor);\n"); - lf_printf(file, "\n"); - } - - if (!model_init_p) { - lf_print_function_type(file, "void", "INLINE_MODEL", " "); - lf_printf(file, "model_init\n"); - lf_printf(file, "(model_data *model_ptr);\n"); - lf_printf(file, "\n"); - } - - if (!model_halt_p) { - lf_print_function_type(file, "void", "INLINE_MODEL", " "); - lf_printf(file, "model_halt\n"); - lf_printf(file, "(model_data *model_ptr);\n"); - lf_printf(file, "\n"); - } - - if (!model_mon_info_p) { - lf_print_function_type(file, "model_print *", "INLINE_MODEL", " "); - lf_printf(file, "model_mon_info\n"); - lf_printf(file, "(model_data *model_ptr);\n"); - lf_printf(file, "\n"); - } - - if (!model_mon_info_free_p) { - lf_print_function_type(file, "void", "INLINE_MODEL", " "); - lf_printf(file, "model_mon_info_free\n"); - lf_printf(file, "(model_data *model_ptr,\n"); - lf_printf(file, " model_print *info_ptr);\n"); - lf_printf(file, "\n"); - } - - lf_print_function_type(file, "void", "INLINE_MODEL", " "); - lf_printf(file, "model_set\n"); - lf_printf(file, "(const char *name);\n"); -} - -/****************************************************************/ - -typedef struct _model_c_passed_data model_c_passed_data; -struct _model_c_passed_data { - lf *file; - model *model_ptr; -}; - -static void -model_c_insn(insn_table *entry, - lf *phony_file, - void *data, - insn *instruction, - int depth) -{ - model_c_passed_data *data_ptr = (model_c_passed_data *)data; - lf *file = data_ptr->file; - char *current_name = data_ptr->model_ptr->printable_name; - table_model_entry *model_ptr = instruction->file_entry->model_first; - - while (model_ptr) { - if (model_ptr->fields[insn_model_name] == current_name) { - lf_printf(file, " { %-*s }, /* %s */\n", - max_model_fields_len, - model_ptr->fields[insn_model_fields], - instruction->file_entry->fields[insn_name]); - return; - } - - model_ptr = model_ptr->next; - } - - lf_printf(file, " { %-*s }, /* %s */\n", - max_model_fields_len, - data_ptr->model_ptr->insn_default, - instruction->file_entry->fields[insn_name]); -} - -static void -model_c_function(insn_table *table, - lf *file, - table_entry *function, - const char *prefix) -{ - if (function->fields[function_type] == NULL - || function->fields[function_type][0] == '\0') { - error("Model function return type not specified for %s", function->fields[function_name]); - } - else { - lf_printf(file, "\n"); - lf_print_function_type(file, function->fields[function_type], prefix, "\n"); - lf_printf(file, "%s(%s)\n", - function->fields[function_name], - function->fields[function_param]); - } - table_entry_print_cpp_line_nr(file, function); - lf_printf(file, "{\n"); - if (function->annex) { - lf_indent(file, +2); - lf_print__c_code(file, function->annex); - lf_indent(file, -2); - } - lf_printf(file, "}\n"); - lf_print__internal_reference(file); - lf_printf(file, "\n"); -} - -void -gen_model_c(insn_table *table, lf *file) -{ - insn *insn_ptr; - model *model_ptr; - char *name; - int model_create_p = 0; - int model_init_p = 0; - int model_halt_p = 0; - int model_mon_info_p = 0; - int model_mon_info_free_p = 0; - - lf_printf(file, "\n"); - lf_printf(file, "#include \"cpu.h\"\n"); - lf_printf(file, "#include \"mon.h\"\n"); - lf_printf(file, "\n"); - lf_printf(file, "#ifdef HAVE_STDLIB_H\n"); - lf_printf(file, "#include <stdlib.h>\n"); - lf_printf(file, "#endif\n"); - lf_printf(file, "\n"); - - for(insn_ptr = model_data; insn_ptr; insn_ptr = insn_ptr->next) { - model_c_or_h_data(table, file, insn_ptr->file_entry); - } - - for(insn_ptr = model_static; insn_ptr; insn_ptr = insn_ptr->next) { - model_c_or_h_function(table, file, insn_ptr->file_entry, "/*h*/STATIC"); - } - - for(insn_ptr = model_internal; insn_ptr; insn_ptr = insn_ptr->next) { - model_c_or_h_function(table, file, insn_ptr->file_entry, "STATIC_INLINE_MODEL"); - } - - for(insn_ptr = model_static; insn_ptr; insn_ptr = insn_ptr->next) { - model_c_function(table, file, insn_ptr->file_entry, "/*c*/STATIC"); - } - - for(insn_ptr = model_internal; insn_ptr; insn_ptr = insn_ptr->next) { - model_c_function(table, file, insn_ptr->file_entry, "STATIC_INLINE_MODEL"); - } - - for(insn_ptr = model_functions; insn_ptr; insn_ptr = insn_ptr->next) { - model_c_function(table, file, insn_ptr->file_entry, "INLINE_MODEL"); - name = insn_ptr->file_entry->fields[function_name]; - if (strcmp (name, "model_create") == 0) - model_create_p = 1; - else if (strcmp (name, "model_init") == 0) - model_init_p = 1; - else if (strcmp (name, "model_halt") == 0) - model_halt_p = 1; - else if (strcmp (name, "model_mon_info") == 0) - model_mon_info_p = 1; - else if (strcmp (name, "model_mon_info_free") == 0) - model_mon_info_free_p = 1; - } - - if (!model_create_p) { - lf_print_function_type(file, "model_data *", "INLINE_MODEL", "\n"); - lf_printf(file, "model_create(cpu *processor)\n"); - lf_printf(file, "{\n"); - lf_printf(file, " return (model_data *)0;\n"); - lf_printf(file, "}\n"); - lf_printf(file, "\n"); - } - - if (!model_init_p) { - lf_print_function_type(file, "void", "INLINE_MODEL", "\n"); - lf_printf(file, "model_init(model_data *model_ptr)\n"); - lf_printf(file, "{\n"); - lf_printf(file, "}\n"); - lf_printf(file, "\n"); - } - - if (!model_halt_p) { - lf_print_function_type(file, "void", "INLINE_MODEL", "\n"); - lf_printf(file, "model_halt(model_data *model_ptr)\n"); - lf_printf(file, "{\n"); - lf_printf(file, "}\n"); - lf_printf(file, "\n"); - } - - if (!model_mon_info_p) { - lf_print_function_type(file, "model_print *", "INLINE_MODEL", "\n"); - lf_printf(file, "model_mon_info(model_data *model_ptr)\n"); - lf_printf(file, "{\n"); - lf_printf(file, " return (model_print *)0;\n"); - lf_printf(file, "}\n"); - lf_printf(file, "\n"); - } - - if (!model_mon_info_free_p) { - lf_print_function_type(file, "void", "INLINE_MODEL", "\n"); - lf_printf(file, "model_mon_info_free(model_data *model_ptr,\n"); - lf_printf(file, " model_print *info_ptr)\n"); - lf_printf(file, "{\n"); - lf_printf(file, "}\n"); - lf_printf(file, "\n"); - } - - lf_printf(file, "/* Insn functional unit info */\n"); - for(model_ptr = models; model_ptr; model_ptr = model_ptr->next) { - model_c_passed_data data; - - lf_printf(file, "static const model_time model_time_%s[] = {\n", model_ptr->name); - data.file = file; - data.model_ptr = model_ptr; - insn_table_traverse_insn(table, - NULL, (void *)&data, - model_c_insn); - - lf_printf(file, "};\n"); - lf_printf(file, "\n"); - lf_printf(file, "\f\n"); - } - - lf_printf(file, "#ifndef _INLINE_C_\n"); - lf_printf(file, "const model_time *const model_time_mapping[ (int)nr_models ] = {\n"); - lf_printf(file, " (const model_time *const)0,\n"); - for(model_ptr = models; model_ptr; model_ptr = model_ptr->next) { - lf_printf(file, " model_time_%s,\n", model_ptr->name); - } - lf_printf(file, "};\n"); - lf_printf(file, "#endif\n"); - lf_printf(file, "\n"); - - lf_printf(file, "\f\n"); - lf_printf(file, "/* map model enumeration into printable string */\n"); - lf_printf(file, "#ifndef _INLINE_C_\n"); - lf_printf(file, "const char *model_name[ (int)nr_models ] = {\n"); - lf_printf(file, " \"NONE\",\n"); - for (model_ptr = models; model_ptr; model_ptr = model_ptr->next) { - lf_printf(file, " \"%s\",\n", model_ptr->printable_name); - } - lf_printf(file, "};\n"); - lf_printf(file, "#endif\n"); - lf_printf(file, "\n"); - - lf_print_function_type(file, "void", "INLINE_MODEL", "\n"); - lf_printf(file, "model_set(const char *name)\n"); - lf_printf(file, "{\n"); - if (models) { - lf_printf(file, " model_enum model;\n"); - lf_printf(file, " for(model = MODEL_%s; model < nr_models; model++) {\n", models->name); - lf_printf(file, " if(strcmp(name, model_name[model]) == 0) {\n"); - lf_printf(file, " current_model = model;\n"); - lf_printf(file, " return;\n"); - lf_printf(file, " }\n"); - lf_printf(file, " }\n"); - lf_printf(file, "\n"); - lf_printf(file, " error(\"Unknown model '%%s', Models which are known are:%%s\n\",\n"); - lf_printf(file, " name,\n"); - lf_printf(file, " \""); - for(model_ptr = models; model_ptr; model_ptr = model_ptr->next) { - lf_printf(file, "\\n\\t%s", model_ptr->printable_name); - } - lf_printf(file, "\");\n"); - } else { - lf_printf(file, " error(\"No models are currently known about\");\n"); - } - - lf_printf(file, "}\n"); -} - diff --git a/sim/igen/gen-model.h b/sim/igen/gen-model.h deleted file mode 100644 index b465a75..0000000 --- a/sim/igen/gen-model.h +++ /dev/null @@ -1,30 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - - -extern void gen_model_h -(insn_table *table, - lf *file); - - -extern void gen_model_c -(insn_table *table, - lf *file); diff --git a/sim/igen/gen-semantics.c b/sim/igen/gen-semantics.c deleted file mode 100644 index 88b6012..0000000 --- a/sim/igen/gen-semantics.c +++ /dev/null @@ -1,377 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - - -#include "misc.h" -#include "lf.h" -#include "table.h" -#include "filter.h" -#include "igen.h" - -#include "ld-insn.h" -#include "ld-decode.h" - -#include "gen.h" - -#include "gen-semantics.h" -#include "gen-icache.h" -#include "gen-idecode.h" - - -static void -print_semantic_function_header (lf *file, - const char *basename, - const char *format_name, - opcode_bits *expanded_bits, - int is_function_definition, - int nr_prefetched_words) -{ - int indent; - lf_printf(file, "\n"); - lf_print__function_type_function (file, print_semantic_function_type, - "EXTERN_SEMANTICS", - (is_function_definition ? "\n" : " ")); - indent = print_function_name (file, - basename, - format_name, - NULL, - expanded_bits, - function_name_prefix_semantics); - if (is_function_definition) - { - indent += lf_printf (file, " "); - lf_indent (file, +indent); - } - else - { - lf_printf (file, "\n"); - } - lf_printf (file, "("); - lf_indent (file, +1); - print_semantic_function_formal (file, nr_prefetched_words); - lf_indent (file, -1); - lf_printf (file, ")"); - if (is_function_definition) - { - lf_indent (file, -indent); - } - else - { - lf_printf (file, ";"); - } - lf_printf (file, "\n"); -} - -void -print_semantic_declaration (lf *file, - insn_entry *insn, - opcode_bits *expanded_bits, - insn_opcodes *opcodes, - int nr_prefetched_words) -{ - print_semantic_function_header (file, - insn->name, - insn->format_name, - expanded_bits, - 0/* is not function definition*/, - nr_prefetched_words); -} - - - -/* generate the semantics.c file */ - - -void -print_idecode_invalid (lf *file, - const char *result, - invalid_type type) -{ - const char *name; - switch (type) - { - default: name = "unknown"; break; - case invalid_illegal: name = "illegal"; break; - case invalid_fp_unavailable: name = "fp_unavailable"; break; - case invalid_wrong_slot: name = "wrong_slot"; break; - } - if (options.gen.code == generate_jumps) - { - lf_printf (file, "goto %s_%s;\n", - (options.gen.icache ? "icache" : "semantic"), - name); - } - else if (options.gen.icache) - { - lf_printf (file, "%s %sicache_%s (", result, options.prefix.global.name, name); - print_icache_function_actual (file, 0); - lf_printf (file, ");\n"); - } - else - { - lf_printf (file, "%s %ssemantic_%s (", result, options.prefix.global.name, name); - print_semantic_function_actual (file, 0); - lf_printf (file, ");\n"); - } -} - - -void -print_semantic_body (lf *file, - insn_entry *instruction, - opcode_bits *expanded_bits, - insn_opcodes *opcodes) -{ - print_itrace (file, instruction, 0/*put_value_in_cache*/); - - /* validate the instruction, if a cache this has already been done */ - if (!options.gen.icache) - { - print_idecode_validate (file, instruction, opcodes); - } - - /* generate the profiling call - this is delayed until after the - instruction has been verified */ - { - lf_printf (file, "\n"); - lf_indent_suppress (file); - lf_printf (file, "#if defined (WITH_MON)\n"); - lf_printf (file, "/* monitoring: */\n"); - lf_printf (file, "if (WITH_MON & MONITOR_INSTRUCTION_ISSUE)\n"); - lf_printf (file, " mon_issue ("); - print_function_name (file, - instruction->name, - instruction->format_name, - NULL, - NULL, - function_name_prefix_itable); - lf_printf (file, ", cpu, cia);\n"); - lf_indent_suppress (file); - lf_printf (file, "#endif\n"); - lf_printf (file, "\n"); - } - - /* determine the new instruction address */ - { - lf_printf(file, "/* keep the next instruction address handy */\n"); - if (options.gen.nia == nia_is_invalid) - { - lf_printf(file, "nia = %sINVALID_INSTRUCTION_ADDRESS;\n", - options.prefix.global.uname); - } - else - { - int nr_immeds = instruction->nr_words - 1; - if (options.gen.delayed_branch) - { - if (nr_immeds > 0) - { - lf_printf (file, "cia.dp += %d * %d; %s\n", - options.insn_bit_size / 8, nr_immeds, - "/* skip dp immeds */"); - } - lf_printf (file, "nia.ip = cia.dp; %s\n", - "/* instruction pointer */"); - lf_printf (file, "nia.dp = cia.dp + %d; %s\n", - options.insn_bit_size / 8, - "/* delayed-slot pointer */"); - } - else - { - if (nr_immeds > 0) - { - lf_printf (file, "nia = cia + %d * (%d + 1); %s\n", - options.insn_bit_size / 8, nr_immeds, - "/* skip immeds as well */"); - - } - else - { - lf_printf (file, "nia = cia + %d;\n", - options.insn_bit_size / 8); - } - } - } - } - - /* if conditional, generate code to verify that the instruction - should be issued */ - if (filter_is_member (instruction->options, "c") - || options.gen.conditional_issue) - { - lf_printf (file, "\n"); - lf_printf (file, "/* execute only if conditional passes */\n"); - lf_printf (file, "if (IS_CONDITION_OK)\n"); - lf_printf (file, " {\n"); - lf_indent (file, +4); - /* FIXME - need to log a conditional failure */ - } - - /* Architecture expects a REG to be zero. Instead of having to - check every read to see if it is refering to that REG just zap it - at the start of every instruction */ - if (options.gen.zero_reg) - { - lf_printf (file, "\n"); - lf_printf (file, "GPR(%d) = 0;\n", options.gen.zero_reg_nr); - } - - /* generate the code (or at least something */ - lf_printf (file, "\n"); - lf_printf (file, "/* semantics: */\n"); - if (instruction->code != NULL) - { - /* true code */ - lf_printf (file, "{\n"); - lf_indent (file, +2); - lf_print__line_ref (file, instruction->code->line); - table_print_code (file, instruction->code); - lf_indent (file, -2); - lf_printf (file, "}\n"); - lf_print__internal_ref (file); - } - else if (filter_is_member (instruction->options, "nop")) - { - lf_print__internal_ref (file); - } - else - { - /* abort so it is implemented now */ - lf_print__line_ref (file, instruction->line); - lf_printf (file, "sim_engine_abort (SD, CPU, cia, \"%s:%d:0x%%08lx:%%s unimplemented\\n\",\n", - filter_filename (instruction->line->file_name), - instruction->line->line_nr); - if (options.gen.delayed_branch) - { - lf_printf (file, " (long)cia.ip,\n"); - } - else - { - lf_printf (file, " (long)cia,\n"); - } - lf_printf (file, " %sitable[MY_INDEX].name);\n", - options.prefix.itable.name); - lf_print__internal_ref (file); - } - - /* Close off the conditional execution */ - if (filter_is_member (instruction->options, "c") - || options.gen.conditional_issue) - { - lf_indent (file, -4); - lf_printf (file, " }\n"); - } -} - -static void -print_c_semantic (lf *file, - insn_entry *instruction, - opcode_bits *expanded_bits, - insn_opcodes *opcodes, - cache_entry *cache_rules, - int nr_prefetched_words) -{ - - lf_printf (file, "{\n"); - lf_indent (file, +2); - - print_my_defines (file, - instruction->name, - instruction->format_name, - expanded_bits); - lf_printf (file, "\n"); - print_icache_body (file, - instruction, - expanded_bits, - cache_rules, - (options.gen.direct_access - ? define_variables - : declare_variables), - (options.gen.icache - ? get_values_from_icache - : do_not_use_icache), - nr_prefetched_words); - - lf_printf (file, "%sinstruction_address nia;\n", options.prefix.global.name); - print_semantic_body (file, - instruction, - expanded_bits, - opcodes); - lf_printf (file, "return nia;\n"); - - /* generate something to clean up any #defines created for the cache */ - if (options.gen.direct_access) - { - print_icache_body (file, - instruction, - expanded_bits, - cache_rules, - undef_variables, - (options.gen.icache - ? get_values_from_icache - : do_not_use_icache), - nr_prefetched_words); - } - - lf_indent (file, -2); - lf_printf (file, "}\n"); -} - -static void -print_c_semantic_function (lf *file, - insn_entry *instruction, - opcode_bits *expanded_bits, - insn_opcodes *opcodes, - cache_entry *cache_rules, - int nr_prefetched_words) -{ - /* build the semantic routine to execute the instruction */ - print_semantic_function_header (file, - instruction->name, - instruction->format_name, - expanded_bits, - 1/*is-function-definition*/, - nr_prefetched_words); - print_c_semantic (file, - instruction, - expanded_bits, - opcodes, - cache_rules, - nr_prefetched_words); -} - -void -print_semantic_definition (lf *file, - insn_entry *insn, - opcode_bits *expanded_bits, - insn_opcodes *opcodes, - cache_entry *cache_rules, - int nr_prefetched_words) -{ - print_c_semantic_function (file, - insn, - expanded_bits, - opcodes, - cache_rules, - nr_prefetched_words); -} - - diff --git a/sim/igen/gen-semantics.h b/sim/igen/gen-semantics.h deleted file mode 100644 index 2c25715..0000000 --- a/sim/igen/gen-semantics.h +++ /dev/null @@ -1,81 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - -/* Creates the files semantics.[hc]. - - The generated file semantics contains functions that implement the - operations required to model a single target processor instruction. - - Several different variations on the semantics file can be created: - - o uncached - - No instruction cache exists. The semantic function - needs to generate any required values locally. - - o cached - separate cracker and semantic - - Two independant functions are created. Firstly the - function that cracks an instruction entering it into a - cache and secondly the semantic function propper that - uses the cache. - - o cached - semantic + cracking semantic - - The function that cracks the instruction and enters - all values into the cache also contains a copy of the - semantic code (avoiding the need to call both the - cracker and the semantic function when there is a - cache miss). - - For each of these general forms, several refinements can occure: - - o do/don't duplicate/expand semantic functions - - As a consequence of decoding an instruction, the - decoder, as part of its table may have effectivly made - certain of the variable fields in an instruction - constant. Separate functions for each of the - alternative values for what would have been treated as - a variable part can be created. - - o use cache struct directly. - - When a cracking cache is present, the semantic - functions can be generated to either hold intermediate - cache values in local variables or always refer to the - contents of the cache directly. */ - - - -extern insn_handler print_semantic_declaration; -extern insn_handler print_semantic_definition; - -extern void print_idecode_illegal -(lf *file, - const char *result); - -extern void print_semantic_body -(lf *file, - insn *instruction, - insn_bits *expanded_bits, - opcode_field *opcodes); - diff --git a/sim/igen/gen-support.c b/sim/igen/gen-support.c deleted file mode 100644 index 77f8eb4..0000000 --- a/sim/igen/gen-support.c +++ /dev/null @@ -1,194 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - -#include "misc.h" -#include "lf.h" -#include "table.h" -#include "filter.h" - -#include "igen.h" - -#include "ld-insn.h" -#include "ld-decode.h" - -#include "gen.h" - -#include "gen-semantics.h" -#include "gen-support.h" - -static void -print_support_function_name (lf *file, - function_entry *function, - int is_function_definition) -{ - if (function->is_internal) - { - lf_print__function_type_function (file, print_semantic_function_type, - "INLINE_SUPPORT", - (is_function_definition ? "\n" : " ")); - print_function_name (file, - function->name, - NULL, - NULL, - NULL, - function_name_prefix_semantics); - lf_printf (file, "\n("); - lf_indent (file, +1); - print_semantic_function_formal (file, 0); - lf_indent (file, -1); - lf_printf (file, ")"); - if (!is_function_definition) - lf_printf (file, ";"); - lf_printf (file, "\n"); - } - else - { - /* map the name onto a globally valid name */ - if (!is_function_definition - && strcmp (options.prefix.global.name, "") != 0) - { - lf_indent_suppress (file); - lf_printf (file, "#define %s %s%s\n", - function->name, - options.prefix.global.name, - function->name); - } - lf_print__function_type (file, - function->type, - "INLINE_SUPPORT", - (is_function_definition ? "\n" : " ")); - lf_printf (file, "%s%s\n(", - options.prefix.global.name, - function->name); - if (options.gen.smp) - lf_printf (file, - "sim_cpu *cpu, %sinstruction_address cia, int MY_INDEX", - options.prefix.global.name); - else - lf_printf (file, - "SIM_DESC sd, %sinstruction_address cia, int MY_INDEX", - options.prefix.global.name); - if (function->param != NULL - && strlen (function->param) > 0) - lf_printf (file, ", %s", function->param); - lf_printf (file, ")%s", (is_function_definition ? "\n" : ";\n")); - } -} - - -static void -support_h_function (lf *file, - function_entry *function, - void *data) -{ - ASSERT (function->type != NULL); - print_support_function_name (file, - function, - 0/*!is_definition*/); - lf_printf(file, "\n"); -} - - -extern void -gen_support_h (lf *file, - insn_table *table) -{ - /* output the definition of `SD_'*/ - if (options.gen.smp) - { - lf_printf(file, "#define _SD cpu, cia, MY_INDEX /* depreciated */\n"); - lf_printf(file, "#define SD_ cpu, cia, MY_INDEX\n"); - lf_printf(file, "#define SD CPU_STATE (cpu)\n"); - lf_printf(file, "#define CPU cpu\n"); - } - else - { - lf_printf(file, "#define _SD sd, cia, MY_INDEX /* depreciated */\n"); - lf_printf(file, "#define SD_ sd, cia, MY_INDEX\n"); - lf_printf(file, "#define SD sd\n"); - lf_printf(file, "#define CPU (STATE_CPU (sd, 0))\n"); - } - if (options.gen.delayed_branch) - { - lf_printf(file, "#define CIA cia.ip\n"); - lf_printf(file, "/* #define NIA nia.dp -- do not define, ambigious */\n"); - } - else - { - lf_printf(file, "#define CIA cia\n"); - lf_printf(file, "#define NIA nia\n"); - } - lf_printf(file, "\n"); - /* output a declaration for all functions */ - function_entry_traverse (file, table->functions, - support_h_function, - NULL); - lf_printf(file, "\n"); - lf_printf(file, "#if defined(SUPPORT_INLINE)\n"); - lf_printf(file, "# if ((SUPPORT_INLINE & INCLUDE_MODULE)\\\n"); - lf_printf(file, " && (SUPPORT_INLINE & INCLUDED_BY_MODULE))\n"); - lf_printf(file, "# include \"%ssupport.c\"\n", options.prefix.global.name); - lf_printf(file, "# endif\n"); - lf_printf(file, "#endif\n"); -} - -static void -support_c_function (lf *file, - function_entry *function, - void *data) -{ - ASSERT (function->type != NULL); - print_support_function_name (file, - function, - 1/*!is_definition*/); - lf_printf (file, "{\n"); - lf_indent (file, +2); - if (function->code == NULL) - error (function->line, - "Function without body (or null statement)"); - lf_print__line_ref (file, function->code->line); - table_print_code (file, function->code); - if (function->is_internal) - { - lf_printf (file, "sim_engine_abort (SD, CPU, cia, \"Internal function must longjump\\n\");\n"); - lf_printf (file, "return cia;\n"); - } - lf_indent (file, -2); - lf_printf (file, "}\n"); - lf_print__internal_ref (file); - lf_printf (file, "\n"); -} - - -void -gen_support_c (lf *file, - insn_table *table) -{ - lf_printf(file, "#include \"sim-main.h\"\n"); - lf_printf(file, "#include \"%sidecode.h\"\n", options.prefix.idecode.name); - lf_printf(file, "#include \"%sitable.h\"\n", options.prefix.itable.name); - lf_printf(file, "#include \"%ssupport.h\"\n", options.prefix.support.name); - lf_printf(file, "\n"); - - /* output a definition (c-code) for all functions */ - function_entry_traverse (file, table->functions, - support_c_function, - NULL); -} diff --git a/sim/igen/gen-support.h b/sim/igen/gen-support.h deleted file mode 100644 index 70862d7..0000000 --- a/sim/igen/gen-support.h +++ /dev/null @@ -1,29 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - -extern void gen_support_h -(insn_table *table, - lf *file); - -extern void gen_support_c -(insn_table *table, - lf *file); - diff --git a/sim/igen/gen.c b/sim/igen/gen.c deleted file mode 100644 index 53b1c1f..0000000 --- a/sim/igen/gen.c +++ /dev/null @@ -1,1764 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - -#include "misc.h" -#include "lf.h" -#include "table.h" -#include "filter.h" - -#include "igen.h" -#include "ld-insn.h" -#include "ld-decode.h" -#include "gen.h" - -static insn_uint -sub_val (insn_uint val, - int val_last_pos, - int first_pos, - int last_pos) -{ - return ((val >> (val_last_pos - last_pos)) - & (((insn_uint)1 << (last_pos - first_pos + 1)) - 1)); -} - -static void -update_depth (lf *file, - gen_entry *entry, - int depth, - void *data) -{ - int *max_depth = (int*)data; - if (*max_depth < depth) - *max_depth = depth; -} - - -int -gen_entry_depth (gen_entry *table) -{ - int depth = 0; - gen_entry_traverse_tree (NULL, - table, - 1, - NULL, /*start*/ - update_depth, - NULL, /*end*/ - &depth); /* data */ - return depth; -} - - -static void -print_gen_entry_path (line_ref *line, - gen_entry *table, - error_func *print) -{ - if (table->parent == NULL) - { - if (table->top->model != NULL) - print (line, "%s", table->top->model->name); - else - print (line, ""); - } - else - { - print_gen_entry_path (line, table->parent, print); - print (NULL, ".%d", table->opcode_nr); - } -} - -static void -print_gen_entry_insns (gen_entry *table, - error_func *print, - char *first_message, - char *next_message) -{ - insn_list *i; - char *message; - message = first_message; - for (i = table->insns; i != NULL; i = i->next) - { - insn_entry *insn = i->insn; - print_gen_entry_path (insn->line, table, print); - print (NULL, ": %s.%s %s\n", - insn->format_name, - insn->name, - message); - if (next_message != NULL) - message = next_message; - } -} - -/* same as strcmp */ -static int -insn_field_cmp (insn_word_entry *l, insn_word_entry *r) -{ - while (1) - { - int bit_nr; - if (l == NULL && r == NULL) - return 0; /* all previous fields the same */ - if (l == NULL) - return -1; /* left shorter than right */ - if (r == NULL) - return +1; /* left longer than right */ - for (bit_nr = 0; - bit_nr < options.insn_bit_size; - bit_nr++) - { - if (l->bit[bit_nr]->field->type != insn_field_string) - continue; - if (r->bit[bit_nr]->field->type != insn_field_string) - continue; - if (l->bit[bit_nr]->field->conditions == NULL) - continue; - if (r->bit[bit_nr]->field->conditions == NULL) - continue; - if (0) - printf ("%s%s%s VS %s%s%s\n", - l->bit[bit_nr]->field->val_string, - l->bit[bit_nr]->field->conditions->test == insn_field_cond_eq ? "=" : "!", - l->bit[bit_nr]->field->conditions->string, - r->bit[bit_nr]->field->val_string, - r->bit[bit_nr]->field->conditions->test == insn_field_cond_eq ? "=" : "!", - r->bit[bit_nr]->field->conditions->string); - if (l->bit[bit_nr]->field->conditions->test == insn_field_cond_eq - && r->bit[bit_nr]->field->conditions->test == insn_field_cond_eq) - { - if (l->bit[bit_nr]->field->conditions->type == insn_field_cond_field - && r->bit[bit_nr]->field->conditions->type == insn_field_cond_field) - /* somewhat arbitrary */ - { - int cmp = strcmp (l->bit[bit_nr]->field->conditions->string, - r->bit[bit_nr]->field->conditions->string); - if (cmp != 0) - return cmp; - else - continue; - } - if (l->bit[bit_nr]->field->conditions->type == insn_field_cond_field) - return +1; - if (r->bit[bit_nr]->field->conditions->type == insn_field_cond_field) - return -1; - /* The case of both fields having constant values should have - already have been handled because such fields are converted - into normal constant fields. */ - continue; - } - if (l->bit[bit_nr]->field->conditions->test == insn_field_cond_eq) - return +1; /* left = only */ - if (r->bit[bit_nr]->field->conditions->test == insn_field_cond_eq) - return -1; /* right = only */ - /* FIXME: Need to some what arbitrarily order conditional lists */ - continue; - } - l = l->next; - r = r->next; - } -} - -/* same as strcmp */ -static int -insn_word_cmp (insn_word_entry *l, insn_word_entry *r) -{ - while (1) - { - int bit_nr; - if (l == NULL && r == NULL) - return 0; /* all previous fields the same */ - if (l == NULL) - return -1; /* left shorter than right */ - if (r == NULL) - return +1; /* left longer than right */ - for (bit_nr = 0; - bit_nr < options.insn_bit_size; - bit_nr++) - { - if (l->bit[bit_nr]->mask < r->bit[bit_nr]->mask) - return -1; - if (l->bit[bit_nr]->mask > r->bit[bit_nr]->mask) - return 1; - if (l->bit[bit_nr]->value < r->bit[bit_nr]->value) - return -1; - if (l->bit[bit_nr]->value > r->bit[bit_nr]->value) - return 1; - } - l = l->next; - r = r->next; - } -} - -/* same as strcmp */ -static int -opcode_bit_cmp (opcode_bits *l, - opcode_bits *r) -{ - if (l == NULL && r == NULL) - return 0; /* all previous bits the same */ - if (l == NULL) - return -1; /* left shorter than right */ - if (r == NULL) - return +1; /* left longer than right */ - /* most significant word */ - if (l->field->word_nr < r->field->word_nr) - return +1; /* left has more significant word */ - if (l->field->word_nr > r->field->word_nr) - return -1; /* right has more significant word */ - /* most significant bit? */ - if (l->first < r->first) - return +1; /* left as more significant bit */ - if (l->first > r->first) - return -1; /* right as more significant bit */ - /* nr bits? */ - if (l->last < r->last) - return +1; /* left as less bits */ - if (l->last > r->last) - return -1; /* right as less bits */ - /* value? */ - if (l->value < r->value) - return -1; - if (l->value > r->value) - return 1; - return 0; -} - - -/* same as strcmp */ -static int -opcode_bits_cmp (opcode_bits *l, - opcode_bits *r) -{ - while (1) - { - int cmp; - if (l == NULL && r == NULL) - return 0; /* all previous bits the same */ - cmp = opcode_bit_cmp (l, r); - if (cmp != 0) - return cmp; - l = l->next; - r = r->next; - } -} - -/* same as strcmp */ -static opcode_bits * -new_opcode_bits (opcode_bits *old_bits, - int value, - int first, - int last, - insn_field_entry *field, - opcode_field *opcode) -{ - opcode_bits *new_bits = ZALLOC (opcode_bits); - new_bits->field = field; - new_bits->value = value; - new_bits->first = first; - new_bits->last = last; - new_bits->opcode = opcode; - - if (old_bits != NULL) - { - opcode_bits *new_list; - opcode_bits **last = &new_list; - new_list = new_opcode_bits (old_bits->next, - old_bits->value, - old_bits->first, - old_bits->last, - old_bits->field, - old_bits->opcode); - while (*last != NULL) - { - int cmp = opcode_bit_cmp (new_bits, *last); - if (cmp < 0) /* new < new_list */ - { - break; - } - if (cmp == 0) - { - ERROR ("Duplicated insn bits in list"); - } - last = &(*last)->next; - } - new_bits->next = *last; - *last = new_bits; - return new_list; - } - else - { - return new_bits; - } -} - - - - -typedef enum { - merge_duplicate_insns, - report_duplicate_insns, -} duplicate_insn_actions; - -static insn_list * -insn_list_insert (insn_list **cur_insn_ptr, - int *nr_insns, - insn_entry *insn, - opcode_bits *expanded_bits, - opcode_field *opcodes, - int nr_prefetched_words, - duplicate_insn_actions duplicate_action) -{ - /* insert it according to the order of the fields & bits */ - for (; (*cur_insn_ptr) != NULL; cur_insn_ptr = &(*cur_insn_ptr)->next) - { - int cmp; - - /* key#1 sort according to the constant fields of each instruction */ - cmp = insn_word_cmp (insn->words, (*cur_insn_ptr)->insn->words); - if (cmp < 0) - break; - else if (cmp > 0) - continue; - - /* key#2 sort according to the expanded bits of each instruction */ - cmp = opcode_bits_cmp (expanded_bits, (*cur_insn_ptr)->expanded_bits); - if (cmp < 0) - break; - else if (cmp > 0) - continue; - - /* key#3 sort according to the non-constant fields of each instruction */ - cmp = insn_field_cmp (insn->words, (*cur_insn_ptr)->insn->words); - if (cmp < 0) - break; - else if (cmp > 0) - continue; - - /* duplicate keys, report problem */ - switch (duplicate_action) - { - case report_duplicate_insns: - /* It would appear that we have two instructions with the - same constant field values across all words and bits. - This error can also occure when insn_field_cmp() is - failing to differentiate between two instructions that - differ only in their conditional fields. */ - warning (insn->line, - "Two instructions with identical constant fields\n"); - error ((*cur_insn_ptr)->insn->line, - "Location of duplicate instruction\n"); - case merge_duplicate_insns: - /* Add the opcode path to the instructions list */ - if (opcodes != NULL) - { - insn_opcodes **last = &(*cur_insn_ptr)->opcodes; - while (*last != NULL) - { - last = &(*last)->next; - } - (*last) = ZALLOC (insn_opcodes); - (*last)->opcode = opcodes; - } - /* Use the larger nr_prefetched_words */ - if ((*cur_insn_ptr)->nr_prefetched_words < nr_prefetched_words) - (*cur_insn_ptr)->nr_prefetched_words = nr_prefetched_words; - return (*cur_insn_ptr); - } - - } - - /* create a new list entry and insert it */ - { - insn_list *new_insn = ZALLOC (insn_list); - new_insn->insn = insn; - new_insn->expanded_bits = expanded_bits; - new_insn->next = (*cur_insn_ptr); - new_insn->nr_prefetched_words = nr_prefetched_words; - if (opcodes != NULL) - { - new_insn->opcodes = ZALLOC (insn_opcodes); - new_insn->opcodes->opcode = opcodes; - } - (*cur_insn_ptr) = new_insn; - } - - *nr_insns += 1; - - return (*cur_insn_ptr); -} - - -extern void -gen_entry_traverse_tree (lf *file, - gen_entry *table, - int depth, - gen_entry_handler *start, - gen_entry_handler *leaf, - gen_entry_handler *end, - void *data) -{ - gen_entry *entry; - - ASSERT (table != NULL); - ASSERT (table->opcode != NULL); - ASSERT (table->nr_entries > 0); - ASSERT (table->entries != 0); - - /* prefix */ - if (start != NULL && depth >= 0) - { - start (file, table, depth, data); - } - /* infix leaves */ - for (entry = table->entries; - entry != NULL; - entry = entry->sibling) - { - if (entry->entries != NULL && depth != 0) - { - gen_entry_traverse_tree (file, entry, depth + 1, - start, leaf, end, data); - } - else if (depth >= 0) - { - if (leaf != NULL) - { - leaf (file, entry, depth, data); - } - } - } - /* postfix */ - if (end != NULL && depth >= 0) - { - end (file, table, depth, data); - } -} - - - -/* create a list element containing a single gen_table entry */ - -static gen_list * -make_table (insn_table *isa, - decode_table *rules, - model_entry *model) -{ - insn_entry *insn; - gen_list *entry = ZALLOC (gen_list); - entry->table = ZALLOC (gen_entry); - entry->table->top = entry; - entry->model = model; - entry->isa = isa; - for (insn = isa->insns; insn != NULL; insn = insn->next) - { - if (model == NULL - || insn->processors == NULL - || filter_is_member (insn->processors, model->name)) - { - insn_list_insert (&entry->table->insns, - &entry->table->nr_insns, - insn, - NULL, /* expanded_bits - none yet */ - NULL, /* opcodes - none yet */ - 0, /* nr_prefetched_words - none yet */ - report_duplicate_insns); - } - } - entry->table->opcode_rule = rules; - return entry; -} - - -gen_table * -make_gen_tables (insn_table *isa, - decode_table *rules) -{ - gen_table *gen = ZALLOC (gen_table); - gen->isa = isa; - gen->rules = rules; - if (options.gen.multi_sim) - { - gen_list **last = &gen->tables; - model_entry *model; - filter *processors; - if (options.model_filter != NULL) - processors = options.model_filter; - else - processors = isa->model->processors; - for (model = isa->model->models; - model != NULL; - model = model->next) - { - if (filter_is_member (processors, model->name)) - { - *last = make_table (isa, rules, model); - last = &(*last)->next; - } - } - } - else - { - gen->tables = make_table (isa, rules, NULL); - } - return gen; -} - - -/****************************************************************/ - -#if 0 -typedef enum { - field_is_not_constant = 0, - field_constant_int = 1, - field_constant_reserved = 2, - field_constant_string = 3 -} constant_field_types; - -static constant_field_types -insn_field_is_constant (insn_field *field, - decode_table *rule) -{ - switch (field->type) - { - case insn_field_int: - /* field is an integer */ - return field_constant_int; - case insn_field_reserved: - /* field is `/' and treating that as a constant */ - if (rule->with_zero_reserved) - return field_constant_reserved; - else - return field_is_not_constant; - case insn_field_wild: - return field_is_not_constant; /* never constant */ - case insn_field_string: - /* field, though variable, is on the list of forced constants */ - if (filter_is_member (rule->constant_field_names, field->val_string)) - return field_constant_string; - else - return field_is_not_constant; - } - ERROR ("Internal error"); - return field_is_not_constant; -} -#endif - - -/****************************************************************/ - - -/* Is the bit, according to the decode rule, identical across all the - instructions? */ -static int -insns_bit_useless (insn_list *insns, - decode_table *rule, - int bit_nr) -{ - insn_list *entry; - int value = -1; - int is_useless = 1; /* cleared if something actually found */ - - /* check the instructions for some constant value in at least one of - the bit fields */ - for (entry = insns; entry != NULL; entry = entry->next) - { - insn_word_entry *word = entry->insn->word[rule->word_nr]; - insn_bit_entry *bit = word->bit[bit_nr]; - switch (bit->field->type) - { - case insn_field_invalid: - ASSERT (0); - break; - case insn_field_wild: - case insn_field_reserved: - /* neither useless or useful - ignore */ - break; - case insn_field_int: - switch (rule->search) - { - case decode_find_strings: - /* an integer isn't a string */ - return 1; - case decode_find_constants: - case decode_find_mixed: - /* an integer is useful if its value isn't the same - between all instructions. The first time through the - value is saved, the second time through (if the - values differ) it is marked as useful. */ - if (value < 0) - value = bit->value; - else if (value != bit->value) - is_useless = 0; - break; - } - break; - case insn_field_string: - switch (rule->search) - { - case decode_find_strings: - /* at least one string, keep checking */ - is_useless = 0; - break; - case decode_find_constants: - case decode_find_mixed: - if (filter_is_member (rule->constant_field_names, - bit->field->val_string)) - /* a string field forced to constant? */ - is_useless = 0; - else if (rule->search == decode_find_constants) - /* the string field isn't constant */ - return 1; - break; - } - } - } - - /* Given only one constant value has been found, check through all - the instructions to see if at least one conditional makes it - usefull */ - if (value >= 0 && is_useless) - { - for (entry = insns; entry != NULL; entry = entry->next) - { - insn_word_entry *word = entry->insn->word[rule->word_nr]; - insn_bit_entry *bit = word->bit[bit_nr]; - switch (bit->field->type) - { - case insn_field_invalid: - ASSERT (0); - break; - case insn_field_wild: - case insn_field_reserved: - case insn_field_int: - /* already processed */ - break; - case insn_field_string: - switch (rule->search) - { - case decode_find_strings: - case decode_find_constants: - /* already processed */ - break; - case decode_find_mixed: - /* string field with conditions. If this condition - eliminates the value then the compare is useful */ - if (bit->field->conditions != NULL) - { - insn_field_cond *condition; - int shift = bit->field->last - bit_nr; - for (condition = bit->field->conditions; - condition != NULL; - condition = condition->next) - { - switch (condition->type) - { - case insn_field_cond_value: - switch (condition->test) - { - case insn_field_cond_ne: - if (((condition->value >> shift) & 1) - == (unsigned) value) - /* conditional field excludes the - current value */ - is_useless = 0; - break; - case insn_field_cond_eq: - if (((condition->value >> shift) & 1) - != (unsigned) value) - /* conditional field requires the - current value */ - is_useless = 0; - break; - } - break; - case insn_field_cond_field: - /* are these handled separatly? */ - break; - } - } - } - } - } - } - } - - return is_useless; -} - - -/* go through a gen-table's list of instruction formats looking for a - range of bits that meet the decode table RULEs requirements */ - -static opcode_field * -gen_entry_find_opcode_field (insn_list *insns, - decode_table *rule, - int string_only) -{ - opcode_field curr_opcode; - ASSERT (rule != NULL); - - memset (&curr_opcode, 0, sizeof (curr_opcode)); - curr_opcode.word_nr = rule->word_nr; - curr_opcode.first = rule->first; - curr_opcode.last = rule->last; - - /* Try to reduce the size of first..last in accordance with the - decode rules */ - - while (curr_opcode.first <= rule->last) - { - if (insns_bit_useless (insns, rule, curr_opcode.first)) - curr_opcode.first ++; - else - break; - } - while (curr_opcode.last >= rule->first) - { - if (insns_bit_useless (insns, rule, curr_opcode.last)) - curr_opcode.last --; - else - break; - } - - -#if 0 - for (entry = insns; entry != NULL; entry = entry->next) - { - insn_word_entry *fields = entry->insn->word[rule->word_nr]; - opcode_field new_opcode; - - ASSERT (fields != NULL); - - /* find a start point for the opcode field */ - new_opcode.first = rule->first; - while (new_opcode.first <= rule->last - && (!string_only - || (insn_field_is_constant(fields->bit[new_opcode.first], rule) - != field_constant_string)) - && (string_only - || (insn_field_is_constant(fields->bit[new_opcode.first], rule) - == field_is_not_constant))) - { - int new_first = fields->bit[new_opcode.first]->last + 1; - ASSERT (new_first > new_opcode.first); - new_opcode.first = new_first; - } - ASSERT(new_opcode.first > rule->last - || (string_only - && insn_field_is_constant(fields->bit[new_opcode.first], - rule) == field_constant_string) - || (!string_only - && insn_field_is_constant(fields->bit[new_opcode.first], - rule))); - - /* find the end point for the opcode field */ - new_opcode.last = rule->last; - while (new_opcode.last >= rule->first - && (!string_only - || insn_field_is_constant(fields->bit[new_opcode.last], - rule) != field_constant_string) - && (string_only - || !insn_field_is_constant(fields->bit[new_opcode.last], - rule))) - { - int new_last = fields->bit[new_opcode.last]->first - 1; - ASSERT (new_last < new_opcode.last); - new_opcode.last = new_last; - } - ASSERT(new_opcode.last < rule->first - || (string_only - && insn_field_is_constant(fields->bit[new_opcode.last], - rule) == field_constant_string) - || (!string_only - && insn_field_is_constant(fields->bit[new_opcode.last], - rule))); - - /* now see if our current opcode needs expanding to include the - interesting fields within this instruction */ - if (new_opcode.first <= rule->last - && curr_opcode.first > new_opcode.first) - curr_opcode.first = new_opcode.first; - if (new_opcode.last >= rule->first - && curr_opcode.last < new_opcode.last) - curr_opcode.last = new_opcode.last; - - } -#endif - - /* did the final opcode field end up being empty? */ - if (curr_opcode.first > curr_opcode.last) - { - return NULL; - } - ASSERT (curr_opcode.last >= rule->first); - ASSERT (curr_opcode.first <= rule->last); - ASSERT (curr_opcode.first <= curr_opcode.last); - - /* Ensure that, for the non string only case, the opcode includes - the range forced_first .. forced_last */ - if (!string_only - && curr_opcode.first > rule->force_first) - { - curr_opcode.first = rule->force_first; - } - if (!string_only - && curr_opcode.last < rule->force_last) - { - curr_opcode.last = rule->force_last; - } - - /* For the string only case, force just the lower bound (so that the - shift can be eliminated) */ - if (string_only - && rule->force_last == options.insn_bit_size - 1) - { - curr_opcode.last = options.insn_bit_size - 1; - } - - /* handle any special cases */ - switch (rule->type) - { - case normal_decode_rule: - /* let the above apply */ - curr_opcode.nr_opcodes = - (1 << (curr_opcode.last - curr_opcode.first + 1)); - break; - case boolean_rule: - curr_opcode.is_boolean = 1; - curr_opcode.boolean_constant = rule->constant; - curr_opcode.nr_opcodes = 2; - break; - } - - { - opcode_field *new_field = ZALLOC (opcode_field); - memcpy (new_field, &curr_opcode, sizeof (opcode_field)); - return new_field; - } -} - - -static void -gen_entry_insert_insn (gen_entry *table, - insn_entry *old_insn, - int new_word_nr, - int new_nr_prefetched_words, - int new_opcode_nr, - opcode_bits *new_bits) -{ - gen_entry **entry = &table->entries; - - /* find the new table for this entry */ - while ((*entry) != NULL && (*entry)->opcode_nr < new_opcode_nr) - { - entry = &(*entry)->sibling; - } - - if ((*entry) == NULL || (*entry)->opcode_nr != new_opcode_nr) - { - /* insert the missing entry */ - gen_entry *new_entry = ZALLOC (gen_entry); - new_entry->sibling = (*entry); - (*entry) = new_entry; - table->nr_entries++; - /* fill it in */ - new_entry->top = table->top; - new_entry->opcode_nr = new_opcode_nr; - new_entry->word_nr = new_word_nr; - new_entry->expanded_bits = new_bits; - new_entry->opcode_rule = table->opcode_rule->next; - new_entry->parent = table; - new_entry->nr_prefetched_words = new_nr_prefetched_words; - } - /* ASSERT new_bits == cur_entry bits */ - ASSERT ((*entry) != NULL && (*entry)->opcode_nr == new_opcode_nr); - insn_list_insert (&(*entry)->insns, - &(*entry)->nr_insns, - old_insn, - NULL, /* expanded_bits - only in final list */ - NULL, /* opcodes - only in final list */ - new_nr_prefetched_words, /* for this table */ - report_duplicate_insns); -} - - -static void -gen_entry_expand_opcode (gen_entry *table, - insn_entry *instruction, - int bit_nr, - int opcode_nr, - opcode_bits *bits) -{ - if (bit_nr > table->opcode->last) - { - /* Only include the hardwired bit information with an entry IF - that entry (and hence its functions) are being duplicated. */ - if (options.trace.insn_expansion) - { - print_gen_entry_path (table->opcode_rule->line, table, notify); - notify (NULL, ": insert %d - %s.%s%s\n", - opcode_nr, - instruction->format_name, - instruction->name, - (table->opcode_rule->with_duplicates ? " (duplicated)" : "")); - } - if (table->opcode_rule->with_duplicates) - { - gen_entry_insert_insn (table, instruction, - table->opcode->word_nr, - table->nr_prefetched_words, - opcode_nr, bits); - } - else - { - gen_entry_insert_insn (table, instruction, - table->opcode->word_nr, - table->nr_prefetched_words, - opcode_nr, NULL); - } - } - else - { - insn_word_entry *word = instruction->word[table->opcode->word_nr]; - insn_field_entry *field = word->bit[bit_nr]->field; - int last_pos = ((field->last < table->opcode->last) - ? field->last - : table->opcode->last); - int first_pos = ((field->first > table->opcode->first) - ? field->first - : table->opcode->first); - int width = last_pos - first_pos + 1; - switch (field->type) - { - case insn_field_int: - { - int val; - val = sub_val (field->val_int, field->last, - first_pos, last_pos); - gen_entry_expand_opcode (table, instruction, - last_pos + 1, - ((opcode_nr << width) | val), - bits); - break; - } - default: - { - if (field->type == insn_field_reserved) - gen_entry_expand_opcode (table, instruction, - last_pos + 1, - ((opcode_nr << width)), - bits); - else - { - int val; - int last_val = (table->opcode->is_boolean - ? 2 - : (1 << width)); - for (val = 0; val < last_val; val++) - { - /* check to see if the value has been precluded - (by a conditional) in some way */ - int is_precluded; - insn_field_cond *condition; - for (condition = field->conditions, is_precluded = 0; - condition != NULL && !is_precluded; - condition = condition->next) - { - switch (condition->type) - { - case insn_field_cond_value: - { - int value = sub_val (condition->value, field->last, - first_pos, last_pos); - switch (condition->test) - { - case insn_field_cond_ne: - if (value == val) - is_precluded = 1; - break; - case insn_field_cond_eq: - if (value != val) - is_precluded = 1; - break; - } - break; - } - case insn_field_cond_field: - { - int value; - opcode_bits *bit; - gen_entry *t; - /* Try to find a value for the - conditional by looking back through - the previously defined bits for the - specified conditional field */ - for (bit = bits; - bit != NULL; - bit = bit->next) - { - if (bit->field == condition->field - && (bit->last - bit->first + 1 == condition->field->width)) - { - /* the bit field fully specified - the conditional field's value */ - value = sub_val (bit->value, bit->last, - first_pos, last_pos); - break; - } - } - /* Try to find a value by looking - through this and previous tables */ - if (bit == NULL) - { - for (t = table; - t->parent != NULL; - t = t->parent) - { - if (t->parent->opcode->word_nr != condition->field->word_nr) - continue; - if (t->parent->opcode->first <= condition->field->first - && t->parent->opcode->last >= condition->field->last) - { - /* the table entry fully - specified the condition - field's value */ - /* extract the field's value - from the opcode */ - value = sub_val (t->opcode_nr, t->parent->opcode->last, - condition->field->first, condition->field->last); - /* this is a requirement of - a conditonal field - refering to another field */ - ASSERT ((condition->field->first - condition->field->last) - == (first_pos - last_pos)); -printf ("value=%d, opcode_nr=%d, last=%d, [%d..%d]\n", - value, t->opcode_nr, t->parent->opcode->last, condition->field->first, condition->field->last); - } - } - } - if (bit == NULL && t == NULL) - error (instruction->line, - "Conditional `%s' of field `%s' isn't expanded", - condition->string, field->val_string); - switch (condition->test) - { - case insn_field_cond_ne: - if (value == val) - is_precluded = 1; - break; - case insn_field_cond_eq: - if (value != val) - is_precluded = 1; - break; - } - break; - } - } - } - if (!is_precluded) - { - /* Only add additional hardwired bit - information if the entry is not going to - later be combined */ - if (table->opcode_rule->with_combine) - { - gen_entry_expand_opcode (table, instruction, - last_pos + 1, - ((opcode_nr << width) | val), - bits); - } - else - { - opcode_bits *new_bits = new_opcode_bits (bits, val, - first_pos, last_pos, - field, - table->opcode); - gen_entry_expand_opcode (table, instruction, - last_pos + 1, - ((opcode_nr << width) | val), - new_bits); - } - } - } - } - } - } - } -} - -static void -gen_entry_insert_expanding (gen_entry *table, - insn_entry *instruction) -{ - gen_entry_expand_opcode (table, - instruction, - table->opcode->first, - 0, - table->expanded_bits); -} - - -static int -insns_match_format_names (insn_list *insns, - filter *format_names) -{ - if (format_names != NULL) - { - insn_list *i; - for (i = insns; i != NULL; i = i->next) - { - if ( i->insn->format_name != NULL - && !filter_is_member (format_names, i->insn->format_name)) - return 0; - } - } - return 1; -} - -static int -table_matches_path (gen_entry *table, - decode_path_list *paths) -{ - if (paths == NULL) - return 1; - while (paths != NULL) - { - gen_entry *entry = table; - decode_path *path = paths->path; - while (1) - { - if (entry == NULL && path == NULL) - return 1; - if (entry == NULL || path == NULL) - break; - if (entry->opcode_nr != path->opcode_nr) - break; - entry = entry->parent; - path = path->parent; - } - paths = paths->next; - } - return 0; -} - - -static int -insns_match_conditions (insn_list *insns, - decode_cond *conditions) -{ - if (conditions != NULL) - { - insn_list *i; - for (i = insns; i != NULL; i = i->next) - { - decode_cond *cond; - for (cond = conditions; cond != NULL; cond = cond->next) - { - int bit_nr; - if (i->insn->nr_words <= cond->word_nr) - return 0; - for (bit_nr = 0; bit_nr < options.insn_bit_size; bit_nr++) - { - if (!cond->mask[bit_nr]) - continue; - if (!i->insn->word[cond->word_nr]->bit[bit_nr]->mask) - return 0; - if ((i->insn->word[cond->word_nr]->bit[bit_nr]->value - == cond->value[bit_nr]) - == !cond->is_equal) - return 0; - } - } - } - } - return 1; -} - -static int -insns_match_nr_words (insn_list *insns, - int nr_words) -{ - insn_list *i; - for (i = insns; i != NULL; i = i->next) - { - if (i->insn->nr_words < nr_words) - return 0; - } - return 1; -} - -static int -insn_list_cmp (insn_list *l, - insn_list *r) -{ - while (1) - { - insn_entry *insn; - if (l == NULL && r == NULL) - return 0; - if (l == NULL) - return -1; - if (r == NULL) - return 1; - if (l->insn != r->insn) - return -1; /* somewhat arbitrary at present */ - /* skip this insn */ - insn = l->insn; - while (l != NULL && l->insn == insn) - l = l->next; - while (r != NULL && r->insn == insn) - r = r->next; - } -} - - - -static void -gen_entry_expand_insns (gen_entry *table) -{ - decode_table *opcode_rule; - - ASSERT(table->nr_insns >= 1); - - /* determine a valid opcode */ - for (opcode_rule = table->opcode_rule; - opcode_rule != NULL; - opcode_rule = opcode_rule->next) - { - char *discard_reason; - if (table->top->model != NULL - && opcode_rule->model_names != NULL - && !filter_is_member (opcode_rule->model_names, - table->top->model->name)) - { - /* the rule isn't applicable to this processor */ - discard_reason = "wrong model"; - } - else if (table->nr_insns == 1 && opcode_rule->conditions == NULL) - { - /* for safety, require a pre-codition when attempting to - apply a rule to a single instruction */ - discard_reason = "need pre-condition when nr-insn == 1"; - } - else if (table->nr_insns == 1 && !opcode_rule->with_duplicates) - { - /* Little point in expanding a single instruction when we're - not duplicating the semantic functions that this table - calls */ - discard_reason = "need duplication with nr-insns == 1"; - } - else if (!insns_match_format_names (table->insns, opcode_rule->format_names)) - { - discard_reason = "wrong format name"; - } - else if (!insns_match_nr_words (table->insns, opcode_rule->word_nr + 1)) - { - discard_reason = "wrong nr words"; - } - else if (!table_matches_path (table, opcode_rule->paths)) - { - discard_reason = "path failed"; - } - else if (!insns_match_conditions (table->insns, opcode_rule->conditions)) - { - discard_reason = "condition failed"; - } - else - { - discard_reason = "no opcode field"; - table->opcode = - gen_entry_find_opcode_field (table->insns, - opcode_rule, - table->nr_insns == 1/*string-only*/ - ); - if (table->opcode != NULL) - { - table->opcode_rule = opcode_rule; - break; - } - } - - if (options.trace.rule_rejection) - { - print_gen_entry_path (opcode_rule->line, table, notify); - notify (NULL, ": rule discarded - %s\n", discard_reason); - } - } - - /* did we find anything */ - if (opcode_rule == NULL) - { - /* the decode table failed, this set of instructions haven't - been uniquely identified */ - if (table->nr_insns > 1) - { - print_gen_entry_insns (table, warning, - "was not uniquely decoded", - "decodes to the same entry"); - error (NULL, ""); - } - return; - } - - /* Determine the number of words that must have been prefetched for - this table to function */ - if (table->parent == NULL) - table->nr_prefetched_words = table->opcode_rule->word_nr + 1; - else if (table->opcode_rule->word_nr + 1 > table->parent->nr_prefetched_words) - table->nr_prefetched_words = table->opcode_rule->word_nr + 1; - else - table->nr_prefetched_words = table->parent->nr_prefetched_words; - - /* back link what we found to its parent */ - if (table->parent != NULL) - { - ASSERT(table->parent->opcode != NULL); - table->opcode->parent = table->parent->opcode; - } - - /* report the rule being used to expand the instructions */ - if (options.trace.rule_selection) - { - print_gen_entry_path (table->opcode_rule->line, table, notify); - notify (NULL, - ": decode - word %d, bits [%d..%d] in [%d..%d], opcodes %d, entries %d\n", - table->opcode->word_nr, - i2target (options.hi_bit_nr, table->opcode->first), - i2target (options.hi_bit_nr, table->opcode->last), - i2target (options.hi_bit_nr, table->opcode_rule->first), - i2target (options.hi_bit_nr, table->opcode_rule->last), - table->opcode->nr_opcodes, - table->nr_entries); - } - - /* expand the raw instructions according to the opcode */ - { - insn_list *entry; - for (entry = table->insns; entry != NULL; entry = entry->next) - { - if (options.trace.insn_expansion) - { - print_gen_entry_path (table->opcode_rule->line, table, notify); - notify (NULL, ": expand - %s.%s\n", - entry->insn->format_name, - entry->insn->name); - } - gen_entry_insert_expanding (table, entry->insn); - } - } - - /* dump the results */ - if (options.trace.entries) - { - gen_entry *entry; - for (entry = table->entries; entry != NULL; entry = entry->sibling) - { - insn_list *l; - print_gen_entry_path (table->opcode_rule->line, entry, notify); - notify (NULL, ": %d - entries %d -", - entry->opcode_nr, - entry->nr_insns); - for (l = entry->insns; l != NULL; l = l->next) - notify (NULL, " %s.%s", l->insn->format_name, l->insn->name); - notify (NULL, "\n"); - } - } - - /* perform a combine pass if needed */ - if (table->opcode_rule->with_combine) - { - gen_entry *entry; - for (entry = table->entries; entry != NULL; entry = entry->sibling) - { - if (entry->combined_parent == NULL) - { - gen_entry **last = &entry->combined_next; - gen_entry *alt; - for (alt = entry->sibling; alt != NULL; alt = alt->sibling) - { - if (alt->combined_parent == NULL - && insn_list_cmp (entry->insns, alt->insns) == 0) - { - alt->combined_parent = entry; - *last = alt; - last = &alt->combined_next; - } - } - } - } - if (options.trace.combine) - { - int nr_unique = 0; - gen_entry *entry; - for (entry = table->entries; entry != NULL; entry = entry->sibling) - { - if (entry->combined_parent == NULL) - { - insn_list *l; - gen_entry *duplicate; - nr_unique++; - print_gen_entry_path (table->opcode_rule->line, entry, notify); - for (duplicate = entry->combined_next; - duplicate != NULL; - duplicate = duplicate->combined_next) - { - notify (NULL, "+%d", duplicate->opcode_nr); - } - notify (NULL, ": entries %d -", entry->nr_insns); - for (l = entry->insns; l != NULL; l = l->next) - { - notify (NULL, " %s.%s", - l->insn->format_name, - l->insn->name); - } - notify (NULL, "\n"); - } - } - print_gen_entry_path (table->opcode_rule->line, table, notify); - notify (NULL, ": combine - word %d, bits [%d..%d] in [%d..%d], opcodes %d, entries %d, unique %d\n", - table->opcode->word_nr, - i2target (options.hi_bit_nr, table->opcode->first), - i2target (options.hi_bit_nr, table->opcode->last), - i2target (options.hi_bit_nr, table->opcode_rule->first), - i2target (options.hi_bit_nr, table->opcode_rule->last), - table->opcode->nr_opcodes, - table->nr_entries, - nr_unique); - } - } - - /* Check that the rule did more than re-arange the order of the - instructions */ - { - gen_entry *entry; - for (entry = table->entries; entry != NULL; entry = entry->sibling) - { - if (entry->combined_parent == NULL) - { - if (insn_list_cmp (table->insns, entry->insns) == 0) - { - print_gen_entry_path (table->opcode_rule->line, table, warning); - warning (NULL, ": Applying rule just copied all instructions\n"); - print_gen_entry_insns (entry, warning, "Copied", NULL); - error (NULL, ""); - } - } - } - } - - /* if some form of expanded table, fill in the missing dots */ - switch (table->opcode_rule->gen) - { - case padded_switch_gen: - case array_gen: - case goto_switch_gen: - if (!table->opcode->is_boolean) - { - gen_entry **entry = &table->entries; - gen_entry *illegals = NULL; - gen_entry **last_illegal = &illegals; - int opcode_nr = 0; - while (opcode_nr < table->opcode->nr_opcodes) - { - if ((*entry) == NULL || (*entry)->opcode_nr != opcode_nr) - { - /* missing - insert it under our feet at *entry */ - gen_entry_insert_insn (table, - table->top->isa->illegal_insn, - table->opcode->word_nr, - 0, /* nr_prefetched_words == 0 for invalid */ - opcode_nr, NULL); - ASSERT ((*entry) != NULL); - ASSERT ((*entry)->opcode_nr == opcode_nr); - (*last_illegal) = *entry; - (*last_illegal)->combined_parent = illegals; - last_illegal = &(*last_illegal)->combined_next; - } - entry = &(*entry)->sibling; - opcode_nr++; - } - /* oops, will have pointed the first illegal insn back to - its self. Fix this */ - if (illegals != NULL) - illegals->combined_parent = NULL; - } - break; - case switch_gen: - case invalid_gen: - /* ignore */ - break; - } - - /* and do the same for the newly created sub entries but *only* - expand entries that haven't been combined. */ - { - gen_entry *entry; - for (entry = table->entries; entry != NULL; entry = entry->sibling) - { - if (entry->combined_parent == NULL) - { - gen_entry_expand_insns (entry); - } - } - } -} - -void -gen_tables_expand_insns (gen_table *gen) -{ - gen_list *entry; - for (entry = gen->tables; entry != NULL; entry = entry->next) - { - gen_entry_expand_insns (entry->table); - } -} - - -/* create a list of all the semantic functions that need to be - generated. Eliminate any duplicates. Verify that the decode stage - worked. */ - -static void -make_gen_semantics_list (lf *file, - gen_entry *entry, - int depth, - void *data) -{ - gen_table *gen = (gen_table*) data; - insn_list *insn; - /* Not interested in an entrie that have been combined into some - other entry at the same level */ - if (entry->combined_parent != NULL) - return; - - /* a leaf should contain exactly one instruction. If not the decode - stage failed. */ - ASSERT (entry->nr_insns == 1); - - /* Enter this instruction into the list of semantic functions. */ - insn = insn_list_insert (&gen->semantics, &gen->nr_semantics, - entry->insns->insn, - entry->expanded_bits, - entry->parent->opcode, - entry->insns->nr_prefetched_words, - merge_duplicate_insns); - /* point the table entry at the real semantic function */ - ASSERT (insn != NULL); - entry->insns->semantic = insn; -} - - -void -gen_tables_expand_semantics (gen_table *gen) -{ - gen_list *entry; - for (entry = gen->tables; entry != NULL; entry = entry->next) - { - gen_entry_traverse_tree (NULL, - entry->table, - 1, /* depth */ - NULL, /* start-handler */ - make_gen_semantics_list, /* leaf-handler */ - NULL, /* end-handler */ - gen); /* data */ - } -} - - - -#ifdef MAIN - - -static void -dump_opcode_field (lf *file, - char *prefix, - opcode_field *field, - char *suffix, - int levels) -{ - lf_printf (file, "%s(opcode_field *) 0x%lx", prefix, (long) field); - if (levels && field != NULL) { - lf_indent (file, +1); - lf_printf (file, "\n(first %d)", field->first); - lf_printf (file, "\n(last %d)", field->last); - lf_printf (file, "\n(nr_opcodes %d)", field->nr_opcodes); - lf_printf (file, "\n(is_boolean %d)", field->is_boolean); - lf_printf (file, "\n(boolean_constant %d)", field->boolean_constant); - dump_opcode_field(file, "\n(parent ", field->parent, ")", levels - 1); - lf_indent (file, -1); - } - lf_printf (file, "%s", suffix); -} - - -static void -dump_opcode_bits (lf *file, - char *prefix, - opcode_bits *bits, - char *suffix, - int levels) -{ - lf_printf (file, "%s(opcode_bits *) 0x%lx", prefix, (long) bits); - - if (levels && bits != NULL) - { - lf_indent (file, +1); - lf_printf (file, "\n(value %d)", bits->value); - dump_opcode_field (file, "\n(opcode ", bits->opcode, ")", 0); - dump_insn_field (file, "\n(field ", bits->field, ")"); - dump_opcode_bits (file, "\n(next ", bits->next, ")", levels - 1); - lf_indent (file, -1); - } - lf_printf (file, "%s", suffix); -} - - - -static void -dump_insn_list (lf *file, - char *prefix, - insn_list *entry, - char *suffix) -{ - lf_printf (file, "%s(insn_list *) 0x%lx", prefix, (long) entry); - - if (entry != NULL) { - lf_indent (file, +1); - dump_insn_entry (file, "\n(insn ", entry->insn, ")"); - lf_printf (file, "\n(next 0x%lx)", (long) entry->next); - lf_indent (file, -1); - } - lf_printf (file, "%s", suffix); -} - - -static void -dump_insn_word_entry_list_entries (lf *file, - char *prefix, - insn_list *entry, - char *suffix) -{ - lf_printf (file, "%s", prefix); - while (entry != NULL) - { - dump_insn_list (file, "\n(", entry, ")"); - entry = entry->next; - } - lf_printf (file, "%s", suffix); -} - - -static void -dump_gen_entry (lf *file, - char *prefix, - gen_entry *table, - char *suffix, - int levels) -{ - - lf_printf (file, "%s(gen_entry *) 0x%lx", prefix, (long) table); - - if (levels && table != NULL) { - - lf_indent (file, +1); - lf_printf (file, "\n(opcode_nr %d)", table->opcode_nr); - lf_printf (file, "\n(word_nr %d)", table->word_nr); - dump_opcode_bits (file, "\n(expanded_bits ", table->expanded_bits, ")", -1); - lf_printf (file, "\n(nr_insns %d)", table->nr_insns); - dump_insn_word_entry_list_entries (file, "\n(insns ", table->insns, ")"); - dump_decode_rule (file, "\n(opcode_rule ", table->opcode_rule, ")"); - dump_opcode_field (file, "\n(opcode ", table->opcode, ")", 0); - lf_printf (file, "\n(nr_entries %d)", table->nr_entries); - dump_gen_entry (file, "\n(entries ", table->entries, ")", table->nr_entries); - dump_gen_entry (file, "\n(sibling ", table->sibling, ")", levels - 1); - dump_gen_entry (file, "\n(parent ", table->parent, ")", 0); - lf_indent (file, -1); - } - lf_printf (file, "%s", suffix); -} - -static void -dump_gen_list (lf *file, - char *prefix, - gen_list *entry, - char *suffix, - int levels) -{ - while (entry != NULL) - { - lf_printf (file, "%s(gen_list *) 0x%lx", prefix, (long) entry); - dump_gen_entry (file, "\n(", entry->table, ")", levels); - lf_printf (file, "\n(next (gen_list *) 0x%lx)", (long) entry->next); - lf_printf (file, "%s", suffix); - } -} - - -static void -dump_gen_table (lf *file, - char *prefix, - gen_table *gen, - char *suffix, - int levels) -{ - lf_printf (file, "%s(gen_table *) 0x%lx", prefix, (long) gen); - lf_printf (file, "\n(isa (insn_table *) 0x%lx)", (long) gen->isa); - lf_printf (file, "\n(rules (decode_table *) 0x%lx)", (long) gen->rules); - dump_gen_list (file, "\n(", gen->tables, ")", levels); - lf_printf (file, "%s", suffix); -} - - -igen_options options; - -int -main (int argc, - char **argv) -{ - decode_table *decode_rules; - insn_table *instructions; - gen_table *gen; - lf *l; - - if (argc != 7) - error (NULL, "Usage: insn <filter-in> <hi-bit-nr> <insn-bit-size> <widths> <decode-table> <insn-table>\n"); - - INIT_OPTIONS (options); - - filter_parse (&options.flags_filter, argv[1]); - - options.hi_bit_nr = a2i(argv[2]); - options.insn_bit_size = a2i(argv[3]); - options.insn_specifying_widths = a2i(argv[4]); - ASSERT(options.hi_bit_nr < options.insn_bit_size); - - instructions = load_insn_table (argv[6], NULL); - decode_rules = load_decode_table (argv[5]); - gen = make_gen_tables (instructions, decode_rules); - - gen_tables_expand_insns (gen); - - l = lf_open ("-", "stdout", lf_omit_references, lf_is_text, "tmp-ld-insn"); - - dump_gen_table (l, "(", gen, ")\n", -1); - return 0; -} - -#endif diff --git a/sim/igen/gen.h b/sim/igen/gen.h deleted file mode 100644 index fb81067..0000000 --- a/sim/igen/gen.h +++ /dev/null @@ -1 +0,0 @@ -/* This file is blank */ diff --git a/sim/igen/igen.c b/sim/igen/igen.c deleted file mode 100644 index 8f10a39..0000000 --- a/sim/igen/igen.c +++ /dev/null @@ -1,1615 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1998, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - - -#include <getopt.h> - -#include "misc.h" -#include "lf.h" -#include "table.h" -#include "config.h" -#include "filter.h" - -#include "igen.h" - -#include "ld-insn.h" -#include "ld-decode.h" -#include "ld-cache.h" - -#include "gen.h" - -#include "gen-model.h" -#include "gen-icache.h" -#include "gen-itable.h" -#include "gen-idecode.h" -#include "gen-semantics.h" -#include "gen-engine.h" -#include "gen-support.h" -#include "gen-engine.h" - - -/****************************************************************/ - - -/* Semantic functions */ - -int -print_semantic_function_formal (lf *file, - int nr_prefetched_words) -{ - int nr = 0; - int word_nr; - if (options.gen.icache || nr_prefetched_words < 0) - { - nr += lf_printf (file, "SIM_DESC sd,\n"); - nr += lf_printf (file, "%sidecode_cache *cache_entry,\n", - options.module.global.prefix.l); - nr += lf_printf (file, "%sinstruction_address cia", - options.module.global.prefix.l); - } - else if (options.gen.smp) - { - nr += lf_printf (file, "sim_cpu *cpu,\n"); - for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++) - { - nr += lf_printf (file, "%sinstruction_word instruction_%d,\n", - options.module.global.prefix.l, - word_nr); - } - nr += lf_printf (file, "%sinstruction_address cia", - options.module.global.prefix.l); - } - else - { - nr += lf_printf (file, "SIM_DESC sd,\n"); - for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++) - { - nr += lf_printf (file, "%sinstruction_word instruction_%d,\n", - options.module.global.prefix.l, - word_nr); - } - nr += lf_printf (file, "%sinstruction_address cia", - options.module.global.prefix.l); - } - return nr; -} - -int -print_semantic_function_actual (lf *file, - int nr_prefetched_words) -{ - int nr = 0; - int word_nr; - if (options.gen.icache || nr_prefetched_words < 0) - { - nr += lf_printf (file, "sd, cache_entry, cia"); - } - else - { - if (options.gen.smp) - nr += lf_printf (file, "cpu"); - else - nr += lf_printf (file, "sd"); - for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++) - nr += lf_printf (file, ", instruction_%d", word_nr); - nr += lf_printf (file, ", cia"); - } - return nr; -} - -int -print_semantic_function_type (lf *file) -{ - int nr = 0; - nr += lf_printf (file, "%sinstruction_address", - options.module.global.prefix.l); - return nr; -} - - -/* Idecode functions */ - -int -print_icache_function_formal (lf *file, - int nr_prefetched_words) -{ - int nr = 0; - int word_nr; - if (options.gen.smp) - nr += lf_printf (file, "sim_cpu *cpu,\n"); - else - nr += lf_printf (file, "SIM_DESC sd,\n"); - for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++) - nr += lf_printf (file, " %sinstruction_word instruction_%d,\n", - options.module.global.prefix.l, word_nr); - nr += lf_printf (file, " %sinstruction_address cia,\n", - options.module.global.prefix.l); - nr += lf_printf (file, " %sidecode_cache *cache_entry", - options.module.global.prefix.l); - return nr; -} - -int -print_icache_function_actual (lf *file, - int nr_prefetched_words) -{ - int nr = 0; - int word_nr; - if (options.gen.smp) - nr += lf_printf (file, "cpu"); - else - nr += lf_printf (file, "sd"); - for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++) - nr += lf_printf (file, ", instruction_%d", word_nr); - nr += lf_printf (file, ", cia, cache_entry"); - return nr; -} - -int -print_icache_function_type (lf *file) -{ - int nr; - if (options.gen.semantic_icache) - { - nr = print_semantic_function_type (file); - } - else - { - nr = lf_printf (file, "%sidecode_semantic *", - options.module.global.prefix.l); - } - return nr; -} - - -/* Function names */ - -static int -print_opcode_bits (lf *file, - opcode_bits *bits) -{ - int nr = 0; - if (bits == NULL) - return nr; - nr += lf_putchr (file, '_'); - nr += lf_putstr (file, bits->field->val_string); - if (bits->opcode->is_boolean && bits->value == 0) - nr += lf_putint (file, bits->opcode->boolean_constant); - else if (!bits->opcode->is_boolean) { - if (bits->opcode->last < bits->field->last) - nr += lf_putint (file, bits->value << (bits->field->last - bits->opcode->last)); - else - nr += lf_putint (file, bits->value); - } - nr += print_opcode_bits (file, bits->next); - return nr; -} - -static int -print_c_name (lf *file, - const char *name) -{ - int nr = 0; - const char *pos; - for (pos = name; *pos != '\0'; pos++) - { - switch (*pos) - { - case '/': - case '-': - break; - case ' ': - case '.': - nr += lf_putchr (file, '_'); - break; - default: - nr += lf_putchr (file, *pos); - break; - } - } - return nr; -} - -extern int -print_function_name (lf *file, - const char *basename, - const char *format_name, - const char *model_name, - opcode_bits *expanded_bits, - lf_function_name_prefixes prefix) -{ - int nr = 0; - /* the prefix */ - switch (prefix) - { - case function_name_prefix_semantics: - nr += lf_printf (file, "%s", options.module.semantics.prefix.l); - nr += lf_printf (file, "semantic_"); - break; - case function_name_prefix_idecode: - nr += lf_printf (file, "%s", options.module.idecode.prefix.l); - nr += lf_printf (file, "idecode_"); - break; - case function_name_prefix_itable: - nr += lf_printf (file, "%sitable_", options.module.itable.prefix.l); - break; - case function_name_prefix_icache: - nr += lf_printf (file, "%s", options.module.icache.prefix.l); - nr += lf_printf (file, "icache_"); - break; - case function_name_prefix_engine: - nr += lf_printf (file, "%s", options.module.engine.prefix.l); - nr += lf_printf (file, "engine_"); - default: - break; - } - - if (model_name != NULL) - { - nr += print_c_name (file, model_name); - nr += lf_printf (file, "_"); - } - - /* the function name */ - nr += print_c_name (file, basename); - - /* the format name if available */ - if (format_name != NULL) - { - nr += lf_printf (file, "_"); - nr += print_c_name (file, format_name); - } - - /* the suffix */ - nr += print_opcode_bits (file, expanded_bits); - - return nr; -} - - -void -print_my_defines (lf *file, - const char *basename, - const char *format_name, - opcode_bits *expanded_bits) -{ - /* #define MY_INDEX xxxxx */ - lf_indent_suppress (file); - lf_printf (file, "#undef MY_INDEX\n"); - lf_indent_suppress (file); - lf_printf (file, "#define MY_INDEX "); - print_function_name (file, - basename, format_name, NULL, - NULL, - function_name_prefix_itable); - lf_printf (file, "\n"); - /* #define MY_PREFIX xxxxxx */ - lf_indent_suppress (file); - lf_printf (file, "#undef "); - print_function_name (file, - basename, format_name, NULL, - expanded_bits, - function_name_prefix_none); - lf_printf (file, "\n"); - lf_indent_suppress (file); - lf_printf (file, "#undef MY_PREFIX\n"); - lf_indent_suppress (file); - lf_printf (file, "#define MY_PREFIX "); - print_function_name (file, - basename, format_name, NULL, - expanded_bits, - function_name_prefix_none); - lf_printf (file, "\n"); - /* #define MY_NAME xxxxxx */ - lf_indent_suppress (file); - lf_indent_suppress (file); - lf_printf (file, "#undef MY_NAME\n"); - lf_indent_suppress (file); - lf_printf (file, "#define MY_NAME \""); - print_function_name (file, - basename, format_name, NULL, - expanded_bits, - function_name_prefix_none); - lf_printf (file, "\"\n"); -} - - -static int -print_itrace_prefix (lf *file) -{ - const char *prefix = "trace_prefix ("; - int indent = strlen (prefix); - lf_printf (file, "%sSD, CPU, cia, CIA, TRACE_LINENUM_P (CPU), \\\n", prefix); - lf_indent (file, +indent); - lf_printf (file, "%sitable[MY_INDEX].file, \\\n", options.module.itable.prefix.l); - lf_printf (file, "%sitable[MY_INDEX].line_nr, \\\n", options.module.itable.prefix.l); - lf_printf (file, "\""); - return indent; -} - - -static void -print_itrace_format (lf *file, - insn_mnemonic_entry *assembler) -{ - /* pass=1 is fmt string; pass=2 is arguments */ - int pass; - /* print the format string */ - for (pass = 1; pass <= 2; pass++) - { - const char *chp = assembler->format; - chp++; /* skip the leading quote */ - /* write out the format/args */ - while (*chp != '\0') - { - if (chp[0] == '\\' && (chp[1] == '<' || chp[1] == '>')) - { - if (pass == 1) - lf_putchr (file, chp[1]); - chp += 2; - } - else if (chp[0] == '<' || chp[0] == '%') - { - /* parse [ "%" ... ] "<" [ func "#" ] param ">" */ - const char *fmt; - const char *func; - int strlen_func; - const char *param; - int strlen_param; - /* the "%" ... "<" format */ - fmt = chp; - while (chp[0] != '<' && chp[0] != '\0') - chp++; - if (chp[0] != '<') - error (assembler->line, "Missing `<' after `%%'\n"); - chp++; - /* [ "func" # ] OR "param" */ - func = chp; - param = chp; - while (chp[0] != '>' && chp[0] != '#' && chp[0] != '\0') - chp++; - strlen_func = chp - func; - if (chp[0] == '#') - { - chp++; - param = chp; - while (chp[0] != '>' && chp[0] != '\0') - chp++; - } - strlen_param = chp - param; - if (chp[0] != '>') - error (assembler->line, "Missing closing `>' in assembler string\n"); - chp++; - /* now process it */ - if (pass == 2) - lf_printf (file, ", \\\n"); - if (strncmp (fmt, "<", 1) == 0) - /* implicit long int format */ - { - if (pass == 1) - lf_printf (file, "%%ld"); - else - { - lf_printf (file, "(long) "); - lf_write (file, param, strlen_param); - } - } - else if (strncmp (fmt, "%<", 2) == 0) - /* explicit format */ - { - if (pass == 1) - lf_printf (file, "%%"); - else - lf_write (file, param, strlen_param); - } - else if (strncmp (fmt, "%s<", 3) == 0) - /* string format */ - { - if (pass == 1) - lf_printf (file, "%%s"); - else - { - lf_printf (file, "%sstr_", options.module.global.prefix.l); - lf_write (file, func, strlen_func); - lf_printf (file, " (SD_, "); - lf_write (file, param, strlen_param); - lf_printf (file, ")"); - } - } - else if (strncmp (fmt, "%lx<", 4) == 0) - /* simple hex */ - { - if (pass == 1) - lf_printf (file, "%%lx"); - else - { - lf_printf (file, "(unsigned long) "); - lf_write (file, param, strlen_param); - } - } - else if (strncmp (fmt, "%08lx<", 6) == 0) - /* simple hex */ - { - if (pass == 1) - lf_printf (file, "%%08lx"); - else - { - lf_printf (file, "(unsigned long) "); - lf_write (file, param, strlen_param); - } - } - else - error (assembler->line, "Unknown assembler string format\n"); - } - else - { - if (pass == 1) - lf_putchr (file, chp[0]); - chp += 1; - } - } - } - lf_printf (file, ");\n"); -} - - -void -print_itrace (lf *file, - insn_entry *insn, - int idecode) -{ - /* NB: Here we escape each EOLN. This is so that the the compiler - treats a trace function call as a single line. Consequently any - errors in the line are refered back to the same igen assembler - source line */ - const char *phase = (idecode) ? "DECODE" : "INSN"; - lf_printf (file, "\n"); - lf_indent_suppress (file); - lf_printf (file, "#if defined (WITH_TRACE)\n"); - lf_printf (file, "/* generate a trace prefix if any tracing enabled */\n"); - lf_printf (file, "if (TRACE_ANY_P (CPU))\n"); - lf_printf (file, " {\n"); - lf_indent (file, +4); - { - if (insn->mnemonics != NULL) - { - insn_mnemonic_entry *assembler = insn->mnemonics; - int is_first = 1; - do - { - if (assembler->condition != NULL) - { - int indent; - lf_printf (file, "%sif (%s)\n", - is_first ? "" : "else ", - assembler->condition); - lf_indent (file, +2); - lf_print__line_ref (file, assembler->line); - indent = print_itrace_prefix (file); - print_itrace_format (file, assembler); - lf_print__internal_ref (file); - lf_indent (file, -indent); - lf_indent (file, -2); - if (assembler->next == NULL) - error (assembler->line, "Missing final unconditional assembler\n"); - } - else - { - int indent; - if (!is_first) - { - lf_printf (file, "else\n"); - lf_indent (file, +2); - } - lf_print__line_ref (file, assembler->line); - indent = print_itrace_prefix (file); - print_itrace_format (file, assembler); - lf_print__internal_ref (file); - lf_indent (file, -indent); - if (!is_first) - lf_indent (file, -2); - if (assembler->next != NULL) - error (assembler->line, "Unconditional assembler is not last\n"); - } - is_first = 0; - assembler = assembler->next; - } - while (assembler != NULL); - } - else - { - int indent; - lf_indent (file, +2); - lf_print__line_ref (file, insn->line); - indent = print_itrace_prefix (file); - lf_printf (file, "%%s\", \\\n"); - lf_printf (file, "itable[MY_INDEX].name);\n"); - lf_print__internal_ref (file); - lf_indent (file, -indent); - lf_indent (file, -2); - } - lf_printf (file, "/* trace the instruction execution if enabled */\n"); - lf_printf (file, "if (TRACE_%s_P (CPU))\n", phase); - lf_printf (file, " trace_generic (SD, CPU, TRACE_%s_IDX, \" %%s\", itable[MY_INDEX].name);\n", phase); - } - lf_indent (file, -4); - lf_printf (file, " }\n"); - lf_indent_suppress (file); - lf_printf (file, "#endif\n"); -} - - -void -print_sim_engine_abort (lf *file, - const char *message) -{ - lf_printf (file, "sim_engine_abort (SD, CPU, cia, "); - lf_printf (file, "\"%s\"", message); - lf_printf (file, ");\n"); -} - - -void -print_include (lf *file, - igen_module module) -{ - lf_printf (file, "#include \"%s%s.h\"\n", module.prefix.l, module.suffix.l); -} - -void -print_include_inline (lf *file, - igen_module module) -{ - lf_printf (file, "#if C_REVEALS_MODULE_P (%s_INLINE)\n", module.suffix.u); - lf_printf (file, "#include \"%s%s.c\"\n", module.prefix.l, module.suffix.l); - lf_printf (file, "#else\n"); - print_include (file, module); - lf_printf (file, "#endif\n"); - lf_printf (file, "\n"); -} - -void -print_includes (lf *file) -{ - lf_printf (file, "\n"); - lf_printf (file, "#include \"sim-inline.c\"\n"); - lf_printf (file, "\n"); - print_include_inline (file, options.module.itable); - print_include_inline (file, options.module.idecode); - print_include_inline (file, options.module.support); -} - - -/****************************************************************/ - - -static void -gen_semantics_h (lf *file, - insn_list *semantics, - int max_nr_words) -{ - int word_nr; - insn_list *semantic; - for (word_nr = -1; word_nr <= max_nr_words; word_nr++) - { - lf_printf (file, "typedef "); - print_semantic_function_type (file); - lf_printf (file, " %sidecode_semantic", - options.module.global.prefix.l); - if (word_nr >= 0) - lf_printf (file, "_%d", word_nr); - lf_printf (file, "\n("); - lf_indent (file, +1); - print_semantic_function_formal (file, word_nr); - lf_indent (file, -1); - lf_printf (file, ");\n"); - lf_printf (file, "\n"); - } - switch (options.gen.code) - { - case generate_calls: - for (semantic = semantics; semantic != NULL; semantic = semantic->next) - { - /* Ignore any special/internal instructions */ - if (semantic->insn->nr_words == 0) - continue; - print_semantic_declaration (file, - semantic->insn, - semantic->expanded_bits, - semantic->opcodes, - semantic->nr_prefetched_words); - } - break; - case generate_jumps: - lf_print__this_file_is_empty (file, "generating jumps"); - break; - } -} - - -static void -gen_semantics_c (lf *file, - insn_list *semantics, - cache_entry *cache_rules) -{ - if (options.gen.code == generate_calls) - { - insn_list *semantic; - print_includes (file); - print_include (file, options.module.semantics); - lf_printf (file, "\n"); - - for (semantic = semantics; semantic != NULL; semantic = semantic->next) - { - /* Ignore any special/internal instructions */ - if (semantic->insn->nr_words == 0) - continue; - print_semantic_definition (file, - semantic->insn, - semantic->expanded_bits, - semantic->opcodes, - cache_rules, - semantic->nr_prefetched_words); - } - } - else - { - lf_print__this_file_is_empty (file, "generating jump engine"); - } -} - - -/****************************************************************/ - - -static void -gen_icache_h (lf *file, - insn_list *semantic, - function_entry *functions, - int max_nr_words) -{ - int word_nr; - for (word_nr = 0; word_nr <= max_nr_words; word_nr++) - { - lf_printf (file, "typedef "); - print_icache_function_type(file); - lf_printf (file, " %sidecode_icache_%d\n(", - options.module.global.prefix.l, - word_nr); - print_icache_function_formal(file, word_nr); - lf_printf (file, ");\n"); - lf_printf (file, "\n"); - } - if (options.gen.code == generate_calls - && options.gen.icache) - { - function_entry_traverse (file, functions, - print_icache_internal_function_declaration, - NULL); - while (semantic != NULL) - { - print_icache_declaration (file, - semantic->insn, - semantic->expanded_bits, - semantic->opcodes, - semantic->nr_prefetched_words); - semantic = semantic->next; - } - } - else - { - lf_print__this_file_is_empty (file, "generating jump engine"); - } -} - -static void -gen_icache_c (lf *file, - insn_list *semantic, - function_entry *functions, - cache_entry *cache_rules) -{ - /* output `internal' invalid/floating-point unavailable functions - where needed */ - if (options.gen.code == generate_calls - && options.gen.icache) - { - lf_printf (file, "\n"); - lf_printf (file, "#include \"cpu.h\"\n"); - lf_printf (file, "#include \"idecode.h\"\n"); - lf_printf (file, "#include \"semantics.h\"\n"); - lf_printf (file, "#include \"icache.h\"\n"); - lf_printf (file, "#include \"support.h\"\n"); - lf_printf (file, "\n"); - function_entry_traverse (file, functions, - print_icache_internal_function_definition, - NULL); - lf_printf (file, "\n"); - while (semantic != NULL) - { - print_icache_definition (file, - semantic->insn, - semantic->expanded_bits, - semantic->opcodes, - cache_rules, - semantic->nr_prefetched_words); - semantic = semantic->next; - } - } - else - { - lf_print__this_file_is_empty (file, "generating jump engine"); - } -} - - -/****************************************************************/ - - -static void -gen_idecode_h (lf *file, - gen_table *gen, - insn_table *insns, - cache_entry *cache_rules) -{ - lf_printf (file, "typedef unsigned%d %sinstruction_word;\n", - options.insn_bit_size, options.module.global.prefix.l); - if (options.gen.delayed_branch) - { - lf_printf (file, "typedef struct _%sinstruction_address {\n", - options.module.global.prefix.l); - lf_printf (file, " address_word ip; /* instruction pointer */\n"); - lf_printf (file, " address_word dp; /* delayed-slot pointer */\n"); - lf_printf (file, "} %sinstruction_address;\n", options.module.global.prefix.l); - } - else - { - lf_printf (file, "typedef address_word %sinstruction_address;\n", - options.module.global.prefix.l); - - } - if (options.gen.nia == nia_is_invalid - && strlen (options.module.global.prefix.u) > 0) - { - lf_indent_suppress (file); - lf_printf (file, "#define %sINVALID_INSTRUCTION_ADDRESS ", - options.module.global.prefix.u); - lf_printf (file, "INVALID_INSTRUCTION_ADDRESS\n"); - } - lf_printf (file, "\n"); - print_icache_struct (file, insns, cache_rules); - lf_printf (file, "\n"); - if (options.gen.icache) - { - ERROR ("FIXME - idecode with icache suffering from bit-rot"); - } - else - { - gen_list *entry; - for (entry = gen->tables; entry != NULL; entry = entry->next) - { - print_idecode_issue_function_header (file, - (options.gen.multi_sim - ? entry->model->name - : NULL), - is_function_declaration, - 1/*ALWAYS ONE WORD*/); - } - if (options.gen.multi_sim) - { - print_idecode_issue_function_header (file, - NULL, - is_function_variable, - 1/*ALWAYS ONE WORD*/); - } - } -} - - -static void -gen_idecode_c (lf *file, - gen_table *gen, - insn_table *isa, - cache_entry *cache_rules) -{ - /* the intro */ - print_includes (file); - print_include_inline (file, options.module.semantics); - lf_printf (file, "\n"); - - print_idecode_globals (file); - lf_printf (file, "\n"); - - switch (options.gen.code) - { - case generate_calls: - { - gen_list *entry; - for (entry = gen->tables; entry != NULL; entry = entry->next) - { - print_idecode_lookups (file, entry->table, cache_rules); - - /* output the main idecode routine */ - if (!options.gen.icache) - { - print_idecode_issue_function_header (file, - (options.gen.multi_sim - ? entry->model->name - : NULL), - 1/*is definition*/, - 1/*ALWAYS ONE WORD*/); - lf_printf (file, "{\n"); - lf_indent (file, +2); - lf_printf (file, "%sinstruction_address nia;\n", - options.module.global.prefix.l); - print_idecode_body (file, entry->table, "nia ="); - lf_printf (file, "return nia;"); - lf_indent (file, -2); - lf_printf (file, "}\n"); - } - } - break; - } - case generate_jumps: - { - lf_print__this_file_is_empty (file, "generating a jump engine"); - break; - } - } -} - - -/****************************************************************/ - - -static void -gen_run_c (lf *file, - gen_table *gen) -{ - gen_list *entry; - lf_printf (file, "#include \"sim-main.h\"\n"); - lf_printf (file, "#include \"engine.h\"\n"); - lf_printf (file, "#include \"idecode.h\"\n"); - lf_printf (file, "#include \"bfd.h\"\n"); - lf_printf (file, "\n"); - - if (options.gen.multi_sim) - { - print_idecode_issue_function_header (file, NULL, is_function_variable, 1); - lf_printf (file, "\n"); - print_engine_run_function_header (file, NULL, is_function_variable); - lf_printf (file, "\n"); - } - - lf_printf (file, "void\n"); - lf_printf (file, "sim_engine_run (SIM_DESC sd,\n"); - lf_printf (file, " int next_cpu_nr,\n"); - lf_printf (file, " int nr_cpus,\n"); - lf_printf (file, " int siggnal)\n"); - lf_printf (file, "{\n"); - lf_indent (file, +2); - if (options.gen.multi_sim) - { - lf_printf (file, "int mach;\n"); - lf_printf (file, "if (STATE_ARCHITECTURE (sd) == NULL)\n"); - lf_printf (file, " mach = 0;\n"); - lf_printf (file, "else\n"); - lf_printf (file, " mach = STATE_ARCHITECTURE (sd)->mach;\n"); - lf_printf (file, "switch (mach)\n"); - lf_printf (file, " {\n"); - lf_indent (file, +2); - for (entry = gen->tables; entry != NULL; entry = entry->next) - { - if (options.gen.default_model != NULL - && (strcmp (entry->model->name, options.gen.default_model) == 0 - || strcmp (entry->model->full_name, options.gen.default_model) == 0)) - lf_printf (file, "default:\n"); - lf_printf (file, "case bfd_mach_%s:\n", entry->model->full_name); - lf_indent (file, +2); - print_function_name (file, - "issue", - NULL, /* format name */ - NULL, /* NO processor */ - NULL, /* expanded bits */ - function_name_prefix_idecode); - lf_printf (file, " = "); - print_function_name (file, - "issue", - NULL, /* format name */ - entry->model->name, - NULL, /* expanded bits */ - function_name_prefix_idecode); - lf_printf (file, ";\n"); - print_function_name (file, - "run", - NULL, /* format name */ - NULL, /* NO processor */ - NULL, /* expanded bits */ - function_name_prefix_engine); - lf_printf (file, " = "); - print_function_name (file, - "run", - NULL, /* format name */ - entry->model->name, - NULL, /* expanded bits */ - function_name_prefix_engine); - lf_printf (file, ";\n"); - lf_printf (file, "break;\n"); - lf_indent (file, -2); - } - if (options.gen.default_model == NULL) - { - lf_printf (file, "default:\n"); - lf_indent (file, +2); - lf_printf (file, "sim_engine_abort (sd, NULL, NULL_CIA,\n"); - lf_printf (file, " \"sim_engine_run - unknown machine\");\n"); - lf_printf (file, "break;\n"); - lf_indent (file, -2); - } - lf_indent (file, -2); - lf_printf (file, " }\n"); - } - print_function_name (file, - "run", - NULL, /* format name */ - NULL, /* NO processor */ - NULL, /* expanded bits */ - function_name_prefix_engine); - lf_printf (file, " (sd, next_cpu_nr, nr_cpus, siggnal);\n"); - lf_indent (file, -2); - lf_printf (file, "}\n"); -} - -/****************************************************************/ - -static gen_table * -do_gen (insn_table *isa, - decode_table *decode_rules) -{ - gen_table *gen; - if (decode_rules == NULL) - error (NULL, "Must specify a decode table\n"); - if (isa == NULL) - error (NULL, "Must specify an instruction table\n"); - if (decode_table_max_word_nr (decode_rules) > 0) - options.gen.multi_word = decode_table_max_word_nr (decode_rules); - gen = make_gen_tables (isa, decode_rules); - gen_tables_expand_insns (gen); - gen_tables_expand_semantics (gen); - return gen; -} - -/****************************************************************/ - -igen_options options; - -int -main (int argc, - char **argv, - char **envp) -{ - cache_entry *cache_rules = NULL; - lf_file_references file_references = lf_include_references; - decode_table *decode_rules = NULL; - insn_table *isa = NULL; - gen_table *gen = NULL; - char *real_file_name = NULL; - int is_header = 0; - int ch; - lf *standard_out = lf_open ("-", "stdout", lf_omit_references, lf_is_text, "igen"); - - INIT_OPTIONS (); - - if (argc == 1) - { - printf ("Usage:\n"); - printf ("\n"); - printf (" igen <config-opts> ... <input-opts>... <output-opts>...\n"); - printf ("\n"); - printf ("Config options:\n"); - printf ("\n"); - printf (" -B <bit-size>\n"); - printf ("\t Set the number of bits in an instruction (depreciated).\n"); - printf ("\t This option can now be set directly in the instruction table.\n"); - printf ("\n"); - printf (" -D <data-structure>\n"); - printf ("\t Dump the specified data structure to stdout. Valid structures include:\n"); - printf ("\t processor-names - list the names of all the processors (models)\n"); - printf ("\n"); - printf (" -F <filter-list>\n"); - printf ("\t Filter out any instructions with a non-empty flags field that contains\n"); - printf ("\t a flag not listed in the <filter-list>.\n"); - printf ("\n"); - printf (" -H <high-bit>\n"); - printf ("\t Set the number of the high (most significant) instruction bit (depreciated).\n"); - printf ("\t This option can now be set directly in the instruction table.\n"); - printf ("\n"); - printf (" -I <directory>\n"); - printf ("\t Add <directory> to the list of directories searched when opening a file\n"); - printf ("\n"); - printf (" -M <model-list>\n"); - printf ("\t Filter out any instructions that do not support at least one of the listed\n"); - printf ("\t models (An instructions with no model information is considered to support\n"); - printf ("\t all models.).\n"); - printf ("\n"); - printf (" -N <nr-cpus>\n"); - printf ("\t Generate a simulator supporting <nr-cpus>\n"); - printf ("\t Specify `-N 0' to disable generation of the SMP. Specifying `-N 1' will\n"); - printf ("\t still generate an SMP enabled simulator but will only support one CPU.\n"); - printf ("\n"); - printf (" -T <mechanism>\n"); - printf ("\t Override the decode mechanism specified by the decode rules\n"); - printf ("\n"); - printf (" -P <prefix>\n"); - printf ("\t Prepend global names (except itable) with the string <prefix>.\n"); - printf ("\t Specify -P <module>=<prefix> to set a specific <module>'s prefix.\n"); - printf ("\n"); - printf (" -S <suffix>\n"); - printf ("\t Replace a global name (suffix) (except itable) with the string <suffix>.\n"); - printf ("\t Specify -S <module>=<suffix> to change a specific <module>'s name (suffix).\n"); - printf ("\n"); - printf (" -Werror\n"); - printf ("\t Make warnings errors\n"); - printf (" -Wnodiscard\n"); - printf ("\t Suppress warnings about discarded functions and instructions\n"); - printf (" -Wnowidth\n"); - printf ("\t Suppress warnings about instructions with invalid widths\n"); - printf ("\n"); - printf (" -G [!]<gen-option>\n"); - printf ("\t Any of the following options:\n"); - printf ("\n"); - printf ("\t decode-duplicate - Override the decode rules, forcing the duplication of\n"); - printf ("\t semantic functions\n"); - printf ("\t decode-combine - Combine any duplicated entries within a table\n"); - printf ("\t decode-zero-reserved - Override the decode rules, forcing reserved bits to be\n"); - printf ("\t treated as zero.\n"); - printf ("\t decode-switch-is-goto - Overfide the padded-switch code type as a goto-switch\n"); - printf ("\n"); - printf ("\t gen-conditional-issue - conditionally issue each instruction\n"); - printf ("\t gen-delayed-branch - need both cia and nia passed around\n"); - printf ("\t gen-direct-access - use #defines to directly access values\n"); - printf ("\t gen-zero-r<N> - arch assumes GPR(<N>) == 0, keep it that way\n"); - printf ("\t gen-icache[=<N> - generate an instruction cracking cache of size <N>\n"); - printf ("\t Default size is %d\n", options.gen.icache_size); - printf ("\t gen-insn-in-icache - save original instruction when cracking\n"); - printf ("\t gen-multi-sim[=MODEL] - generate multiple simulators - one per model\n"); - printf ("\t If specified MODEL is made the default architecture.\n"); - printf ("\t By default, a single simulator that will\n"); - printf ("\t execute any instruction is generated\n"); - printf ("\t gen-multi-word - generate code allowing for multi-word insns\n"); - printf ("\t gen-semantic-icache - include semantic code in cracking functions\n"); - printf ("\t gen-slot-verification - perform slot verification as part of decode\n"); - printf ("\t gen-nia-invalid - NIA defaults to nia_invalid\n"); - printf ("\t gen-nia-void - do not compute/return NIA\n"); - printf ("\n"); - printf ("\t trace-combine - report combined entries a rule application\n"); - printf ("\t trace-entries - report entries after a rules application\n"); - printf ("\t trace-rule-rejection - report each rule as rejected\n"); - printf ("\t trace-rule-selection - report each rule as selected\n"); - printf ("\t trace-insn-insertion - report each instruction as it is inserted into a decode table\n"); - printf ("\t trace-rule-expansion - report each instruction as it is expanded (before insertion into a decode table)\n"); - printf ("\t trace-all - enable all trace options\n"); - printf ("\n"); - printf ("\t field-widths - instruction formats specify widths (depreciated)\n"); - printf ("\t By default, an instruction format specifies bit\n"); - printf ("\t positions\n"); - printf ("\t This option can now be set directly in the\n"); - printf ("\t instruction table\n"); - printf ("\t jumps - use jumps instead of function calls\n"); - printf ("\t omit-line-numbers - do not include line number information in the output\n"); - printf ("\n"); - printf ("Input options:\n"); - printf ("\n"); - printf (" -k <cache-rules> (depreciated)\n"); - printf (" -o <decode-rules>\n"); - printf (" -i <instruction-table>\n"); - printf ("\n"); - printf ("Output options:\n"); - printf ("\n"); - printf (" -x Perform expansion (required)\n"); - printf (" -n <real-name> Specify the real name of the next output file\n"); - printf (" -h Generate the header (.h) file rather than the body (.c)\n"); - printf (" -c <output-file> output icache\n"); - printf (" -d <output-file> output idecode\n"); - printf (" -e <output-file> output engine\n"); - printf (" -f <output-file> output support functions\n"); - printf (" -m <output-file> output model\n"); - printf (" -r <output-file> output multi-sim run\n"); - printf (" -s <output-file> output schematic\n"); - printf (" -t <output-file> output itable\n"); - } - - while ((ch = getopt(argc, argv, - "B:D:F:G:H:I:M:N:P:T:W:o:k:i:n:hc:d:e:m:r:s:t:f:x")) - != -1) - { - fprintf (stderr, " -%c ", ch); - if (optarg) - fprintf (stderr, "%s ", optarg); - fprintf (stderr, "\\\n"); - - switch(ch) - { - - case 'M': - filter_parse (&options.model_filter, optarg); - break; - - case 'D': - if (strcmp (optarg, "processor-names")) - { - char *processor; - for (processor = filter_next (options.model_filter, ""); - processor != NULL; - processor = filter_next (options.model_filter, processor)) - lf_printf (standard_out, "%s\n", processor); - } - else - error (NULL, "Unknown data structure %s, not dumped\n", optarg); - break; - - case 'F': - filter_parse (&options.flags_filter, optarg); - break; - - case 'I': - { - table_include **dir = &options.include; - while ((*dir) != NULL) - dir = &(*dir)->next; - (*dir) = ZALLOC (table_include); - (*dir)->dir = strdup (optarg); - } - break; - - case 'B': - options.insn_bit_size = a2i (optarg); - if (options.insn_bit_size <= 0 - || options.insn_bit_size > max_insn_bit_size) - { - error (NULL, "Instruction bitsize must be in range 1..%d\n", - max_insn_bit_size); - } - if (options.hi_bit_nr != options.insn_bit_size - 1 - && options.hi_bit_nr != 0) - { - error (NULL, "Conflict betweem hi-bit-nr and insn-bit-size\n"); - } - break; - - case 'H': - options.hi_bit_nr = a2i (optarg); - if (options.hi_bit_nr != options.insn_bit_size - 1 - && options.hi_bit_nr != 0) - { - error (NULL, "Conflict between hi-bit-nr and insn-bit-size\n"); - } - break; - - case 'N': - options.gen.smp = a2i (optarg); - break; - - case 'P': - case 'S': - { - igen_module *names; - igen_name *name; - char *chp; - chp = strchr (optarg, '='); - if (chp == NULL) - { - names = &options.module.global; - chp = optarg; - } - else - { - chp = chp + 1; /* skip `=' */ - if (strncmp (optarg, "global=", chp - optarg) == 0) - { - names = &options.module.global; - } - if (strncmp (optarg, "engine=", chp - optarg) == 0) - { - names = &options.module.engine; - } - if (strncmp (optarg, "icache=", chp - optarg) == 0) - { - names = &options.module.icache; - } - if (strncmp (optarg, "idecode=", chp - optarg) == 0) - { - names = &options.module.idecode; - } - if (strncmp (optarg, "itable=", chp - optarg) == 0) - { - names = &options.module.itable; - } - if (strncmp (optarg, "semantics=", chp - optarg) == 0) - { - names = &options.module.semantics; - } - if (strncmp (optarg, "support=", chp - optarg) == 0) - { - names = &options.module.support; - } - else - { - names = NULL; - error (NULL, "Prefix `%s' unreconized\n", optarg); - } - } - switch (ch) - { - case 'P': - name = &names->prefix; - break; - case 'S': - name = &names->suffix; - break; - } - name->u = strdup (chp); - name->l = strdup (chp); - chp = name->u; - while (*chp) { - if (islower(*chp)) - *chp = toupper(*chp); - chp++; - } - if (name == &options.module.global.prefix) - { - options.module.engine.prefix = options.module.global.prefix; - options.module.icache.prefix = options.module.global.prefix; - options.module.idecode.prefix = options.module.global.prefix; - /* options.module.itable.prefix = options.module.global.prefix; */ - options.module.semantics.prefix = options.module.global.prefix; - options.module.support.prefix = options.module.global.prefix; - } - if (name == &options.module.global.suffix) - { - options.module.engine.suffix = options.module.global.suffix; - options.module.icache.suffix = options.module.global.suffix; - options.module.idecode.suffix = options.module.global.suffix; - /* options.module.itable.suffix = options.module.global.suffix; */ - options.module.semantics.suffix = options.module.global.suffix; - options.module.support.suffix = options.module.global.suffix; - } - break; - } - - case 'W': - { - if (strcmp (optarg, "error") == 0) - options.warning = error; - else if (strcmp (optarg, "nodiscard") == 0) - options.warn.discard = 0; - else if (strcmp (optarg, "discard") == 0) - options.warn.discard = 1; - else if (strcmp (optarg, "nowidth") == 0) - options.warn.width = 0; - else if (strcmp (optarg, "width") == 0) - options.warn.width = 1; - else - error (NULL, "Unknown -W argument `%s'\n", optarg); - break; - } - - - case 'G': - { - int enable_p; - char *argp; - if (strncmp (optarg, "no-", strlen ("no-")) == 0) - { - argp = optarg + strlen ("no-"); - enable_p = 0; - } - else if (strncmp (optarg, "!", strlen ("!")) == 0) - { - argp = optarg + strlen ("no-"); - enable_p = 0; - } - else - { - argp = optarg; - enable_p = 1; - } - if (strcmp (argp, "decode-duplicate") == 0) - { - options.decode.duplicate = enable_p; - } - else if (strcmp (argp, "decode-combine") == 0) - { - options.decode.combine = enable_p; - } - else if (strcmp (argp, "decode-zero-reserved") == 0) - { - options.decode.zero_reserved = enable_p; - } - - else if (strcmp (argp, "gen-conditional-issue") == 0) - { - options.gen.conditional_issue = enable_p; - } - else if (strcmp (argp, "conditional-issue") == 0) - { - options.gen.conditional_issue = enable_p; - options.warning (NULL, "Option conditional-issue replaced by gen-conditional-issue\n"); - } - else if (strcmp (argp, "gen-delayed-branch") == 0) - { - options.gen.delayed_branch = enable_p; - } - else if (strcmp (argp, "delayed-branch") == 0) - { - options.gen.delayed_branch = enable_p; - options.warning (NULL, "Option delayed-branch replaced by gen-delayed-branch\n"); - } - else if (strcmp (argp, "gen-direct-access") == 0) - { - options.gen.direct_access = enable_p; - } - else if (strcmp (argp, "direct-access") == 0) - { - options.gen.direct_access = enable_p; - options.warning (NULL, "Option direct-access replaced by gen-direct-access\n"); - } - else if (strncmp (argp, "gen-zero-r", strlen ("gen-zero-r")) == 0) - { - options.gen.zero_reg = enable_p; - options.gen.zero_reg_nr = atoi (argp + strlen ("gen-zero-r")); - } - else if (strncmp (argp, "zero-r", strlen ("zero-r")) == 0) - { - options.gen.zero_reg = enable_p; - options.gen.zero_reg_nr = atoi (argp + strlen ("zero-r")); - options.warning (NULL, "Option zero-r<N> replaced by gen-zero-r<N>\n"); - } - else if (strncmp (argp, "gen-icache", strlen ("gen-icache")) == 0) - { - switch (argp[strlen ("gen-icache")]) - { - case '=': - options.gen.icache_size = atoi (argp + strlen ("gen-icache") + 1); - options.gen.icache = enable_p; - break; - case '\0': - options.gen.icache = enable_p; - break; - default: - error (NULL, "Expecting -Ggen-icache or -Ggen-icache=<N>\n"); - } - } - else if (strcmp (argp, "gen-insn-in-icache") == 0) - { - options.gen.insn_in_icache = enable_p; - } - else if (strncmp (argp, "gen-multi-sim", strlen ("gen-multi-sim")) == 0) - { - char *arg = &argp[strlen ("gen-multi-sim")]; - switch (arg[0]) - { - case '=': - options.gen.multi_sim = enable_p; - options.gen.default_model = arg + 1; - if (! filter_is_member (options.model_filter, options.gen.default_model)) - error (NULL, "multi-sim model %s unknown\n", options.gen.default_model); - break; - case '\0': - options.gen.multi_sim = enable_p; - options.gen.default_model = NULL; - break; - default: - error (NULL, "Expecting -Ggen-multi-sim or -Ggen-multi-sim=<MODEL>\n"); - break; - } - } - else if (strcmp (argp, "gen-multi-word") == 0) - { - options.gen.multi_word = enable_p; - } - else if (strcmp (argp, "gen-semantic-icache") == 0) - { - options.gen.semantic_icache = enable_p; - } - else if (strcmp (argp, "gen-slot-verification") == 0) - { - options.gen.slot_verification = enable_p; - } - else if (strcmp (argp, "verify-slot") == 0) - { - options.gen.slot_verification = enable_p; - options.warning (NULL, "Option verify-slot replaced by gen-slot-verification\n"); - } - else if (strcmp (argp, "gen-nia-invalid") == 0) - { - options.gen.nia = nia_is_invalid; - } - else if (strcmp (argp, "default-nia-minus-one") == 0) - { - options.gen.nia = nia_is_invalid; - options.warning (NULL, "Option default-nia-minus-one replaced by gen-nia-invalid\n"); - } - else if (strcmp (argp, "gen-nia-void") == 0) - { - options.gen.nia = nia_is_void; - } - else if (strcmp (argp, "trace-all") == 0) - { - memset (&options.trace, enable_p, sizeof (options.trace)); - } - else if (strcmp (argp, "trace-combine") == 0) - { - options.trace.combine = enable_p; - } - else if (strcmp (argp, "trace-entries") == 0) - { - options.trace.entries = enable_p; - } - else if (strcmp (argp, "trace-rule-rejection") == 0) - { - options.trace.rule_rejection = enable_p; - } - else if (strcmp (argp, "trace-rule-selection") == 0) - { - options.trace.rule_selection = enable_p; - } - else if (strcmp (argp, "trace-insn-insertion") == 0) - { - options.trace.insn_insertion = enable_p; - } - else if (strcmp (argp, "trace-insn-expansion") == 0) - { - options.trace.insn_expansion = enable_p; - } - else if (strcmp (argp, "jumps") == 0) - { - options.gen.code = generate_jumps; - } - else if (strcmp (argp, "field-widths") == 0) - { - options.insn_specifying_widths = enable_p; - } - else if (strcmp (argp, "omit-line-numbers") == 0) - { - file_references = lf_omit_references; - } - else - { - error (NULL, "Unknown option %s\n", optarg); - } - break; - } - - case 'i': - isa = load_insn_table (optarg, cache_rules); - if (isa->illegal_insn == NULL) - error (NULL, "illegal-instruction missing from insn table\n"); - break; - - case 'x': - gen = do_gen (isa, decode_rules); - break; - - case 'o': - decode_rules = load_decode_table (optarg); - break; - - case 'k': - if (isa != NULL) - error (NULL, "Cache file must appear before the insn file\n"); - cache_rules = load_cache_table (optarg); - break; - - case 'n': - real_file_name = strdup(optarg); - break; - - case 'h': - is_header = 1; - break; - - case 'c': - case 'd': - case 'e': - case 'f': - case 'm': - case 'r': - case 's': - case 't': - { - lf *file = lf_open(optarg, real_file_name, file_references, - (is_header ? lf_is_h : lf_is_c), - argv[0]); - if (gen == NULL && ch != 't' && ch != 'm' && ch != 'f') - { - options.warning (NULL, "Explicitly generate tables with -x option\n"); - gen = do_gen (isa, decode_rules); - } - lf_print__file_start(file); - switch (ch) - { - case 'm': - if (is_header) - gen_model_h (file, isa); - else - gen_model_c (file, isa); - break; - case 't': - if (is_header) - gen_itable_h (file, isa); - else - gen_itable_c (file, isa); - break; - case 'f': - if (is_header) - gen_support_h (file, isa); - else - gen_support_c (file, isa); - break; - case 'r': - if (is_header) - options.warning (NULL, "-hr option ignored\n"); - else - gen_run_c (file, gen); - break; - case 's': - if(is_header) - gen_semantics_h (file, gen->semantics, isa->max_nr_words); - else - gen_semantics_c (file, gen->semantics, isa->caches); - break; - case 'd': - if (is_header) - gen_idecode_h (file, gen, isa, cache_rules); - else - gen_idecode_c (file, gen, isa, cache_rules); - break; - case 'e': - if (is_header) - gen_engine_h (file, gen, isa, cache_rules); - else - gen_engine_c (file, gen, isa, cache_rules); - break; - case 'c': - if (is_header) - gen_icache_h (file, - gen->semantics, - isa->functions, - isa->max_nr_words); - else - gen_icache_c (file, - gen->semantics, - isa->functions, - cache_rules); - break; - } - lf_print__file_finish(file); - lf_close(file); - is_header = 0; - } - real_file_name = NULL; - break; - default: - ERROR ("Bad switch"); - } - } - return (0); -} diff --git a/sim/igen/igen.h b/sim/igen/igen.h deleted file mode 100644 index 6977e06..0000000 --- a/sim/igen/igen.h +++ /dev/null @@ -1,230 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1998, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - -/* code-generation options: */ - -typedef enum { - - /* Transfer control to an instructions semantic code using the the - standard call/return mechanism */ - - generate_calls, - - /* Transfer control to an instructions semantic code using - (computed) goto's instead of the more conventional call/return - mechanism */ - - generate_jumps, - -} igen_code; - -typedef enum { - nia_is_cia_plus_one, - nia_is_void, - nia_is_invalid, -} igen_nia; - - - -typedef struct _igen_gen_options igen_gen_options; -struct _igen_gen_options { - int direct_access; - int semantic_icache; - int insn_in_icache; - int conditional_issue; - int slot_verification; - int delayed_branch; - - /* If zeroing a register, which one? */ - int zero_reg; - int zero_reg_nr; - - /* should multiple simulators be generated? */ - int multi_sim; - - /* name of the default multi-sim model */ - char *default_model; - - /* should the simulator support multi word instructions and if so, - what is the max nr of words. */ - int multi_word; - - /* SMP? Should the generated code include SMP support (>0) and if - so, for how many processors? */ - int smp; - - /* how should the next instruction address be computed? */ - igen_nia nia; - - /* nr of instructions in the decoded instruction cache */ - int icache; - int icache_size; - - /* see above */ - igen_code code; -}; - - -typedef struct _igen_trace_options igen_trace_options; -struct _igen_trace_options { - int rule_selection; - int rule_rejection; - int insn_insertion; - int insn_expansion; - int entries; - int combine; -}; - -typedef struct _igen_name { - char *u; - char *l; -} igen_name; -typedef struct _igen_module { - igen_name prefix; - igen_name suffix; -} igen_module; - -typedef struct _igen_module_options { - igen_module global; - igen_module engine; - igen_module icache; - igen_module idecode; - igen_module itable; - igen_module semantics; - igen_module support; -} igen_module_options; - -typedef struct _igen_decode_options igen_decode_options ; -struct _igen_decode_options { - - /* Combine tables? Should the generator make a second pass through - each generated table looking for any sub-entries that contain the - same instructions. Those entries being merged into a single - table */ - int combine; - - /* Instruction expansion? Should the semantic code for each - instruction, when the oportunity arrises, be expanded according - to the variable opcode files that the instruction decode process - renders constant */ - int duplicate; - - /* Treat reserved fields as constant (zero) instead of ignoring - their value when determining decode tables */ - int zero_reserved; - - /* Convert any padded switch rules into goto_switch */ - int switch_as_goto; - - /* Force all tables to be generated with this lookup mechanism */ - char *overriding_gen; -}; - - -typedef struct _igen_warn_options igen_warn_options; -struct _igen_warn_options { - - /* Issue warning about discarded instructions */ - int discard; - - /* Issue warning about invalid instruction widths */ - int width; -}; - - - -typedef struct _igen_options igen_options; -struct _igen_options { - - /* What does the instruction look like - bit ordering, size, widths or - offesets */ - int hi_bit_nr; - int insn_bit_size; - int insn_specifying_widths; - - /* what should global names be prefixed with? */ - igen_module_options module; - - /* See above for options and flags */ - igen_gen_options gen; - - /* See above for trace options */ - igen_trace_options trace; - - /* See above for include options */ - table_include *include; - - /* See above for decode options */ - igen_decode_options decode; - - /* Filter set to be used on the flag field of the instruction table */ - filter *flags_filter; - - /* See above for warn options */ - igen_warn_options warn; - - /* Be more picky about the input */ - error_func (*warning); - - /* Model (processor) set - like flags_filter. Used to select the - specific ISA within a processor family. */ - filter *model_filter; - - /* Format name set */ - filter *format_name_filter; -}; - -extern igen_options options; - -/* default options - hopefully backward compatible */ \ -#define INIT_OPTIONS() \ -do { \ - memset (&options, 0, sizeof options); \ - memset (&options.warn, -1, sizeof (options.warn)); \ - options.hi_bit_nr = 0; \ - options.insn_bit_size = default_insn_bit_size; \ - options.insn_specifying_widths = 0; \ - options.module.global.prefix.u = ""; \ - options.module.global.prefix.l = ""; \ - /* the prefixes */ \ - options.module.engine = options.module.global; \ - options.module.icache = options.module.global; \ - options.module.idecode = options.module.global; \ - options.module.itable = options.module.global; \ - options.module.semantics = options.module.global; \ - options.module.support = options.module.global; \ - /* the suffixes */ \ - options.module.engine.suffix.l = "engine"; \ - options.module.engine.suffix.u = "ENGINE"; \ - options.module.icache.suffix.l = "icache"; \ - options.module.icache.suffix.u = "ICACHE"; \ - options.module.idecode.suffix.l = "idecode"; \ - options.module.idecode.suffix.u = "IDECODE"; \ - options.module.itable.suffix.l = "itable"; \ - options.module.itable.suffix.u = "ITABLE"; \ - options.module.semantics.suffix.l = "semantics"; \ - options.module.semantics.suffix.u = "SEMANTICS"; \ - options.module.support.suffix.l = "support"; \ - options.module.support.suffix.u = "SUPPORT"; \ - /* misc stuff */ \ - options.gen.code = generate_calls; \ - options.gen.icache_size = 1024; \ - options.warning = warning; \ -} while (0) diff --git a/sim/igen/ld-cache.c b/sim/igen/ld-cache.c deleted file mode 100644 index e7f119e..0000000 --- a/sim/igen/ld-cache.c +++ /dev/null @@ -1,115 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994,1995,1996, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - -#include "misc.h" -#include "lf.h" -#include "table.h" -#include "ld-cache.h" - -#ifndef NULL -#define NULL 0 -#endif - - -enum { - ca_type, - ca_field_name, - ca_derived_name, - ca_type_def, - ca_expression, - nr_cache_rule_fields, -}; - -static const name_map cache_type_map[] = { - { "cache", cache_value }, - { "compute", compute_value }, - { "scratch", scratch_value }, - { NULL, 0 }, -}; - - -cache_table * -load_cache_table(char *file_name, - int hi_bit_nr) -{ - table *file = table_open(file_name, nr_cache_rule_fields, 0); - table_entry *entry; - cache_table *table = NULL; - cache_table **curr_rule = &table; - while ((entry = table_entry_read(file)) != NULL) { - cache_table *new_rule = ZALLOC(cache_table); - new_rule->type = name2i(entry->fields[ca_type], cache_type_map); - new_rule->field_name = entry->fields[ca_field_name]; - new_rule->derived_name = entry->fields[ca_derived_name]; - new_rule->type_def = (strlen(entry->fields[ca_type_def]) - ? entry->fields[ca_type_def] - : NULL); - new_rule->expression = (strlen(entry->fields[ca_expression]) > 0 - ? entry->fields[ca_expression] - : NULL); - new_rule->file_entry = entry; - *curr_rule = new_rule; - curr_rule = &new_rule->next; - } - return table; -} - - - -#ifdef MAIN - -static void -dump_cache_rule(cache_table* rule, - int indent) -{ - dumpf(indent, "((cache_table*)0x%x\n", rule); - dumpf(indent, " (type %s)\n", i2name(rule->type, cache_type_map)); - dumpf(indent, " (field_name \"%s\")\n", rule->field_name); - dumpf(indent, " (derived_name \"%s\")\n", rule->derived_name); - dumpf(indent, " (type-def \"%s\")\n", rule->type_def); - dumpf(indent, " (expression \"%s\")\n", rule->expression); - dumpf(indent, " (next 0x%x)\n", rule->next); - dumpf(indent, " )\n"); -} - - -static void -dump_cache_rules(cache_table* rule, - int indent) -{ - while (rule) { - dump_cache_rule(rule, indent); - rule = rule->next; - } -} - - -int -main(int argc, char **argv) -{ - cache_table *rules; - if (argc != 3) - error("Usage: cache <cache-file> <hi-bit-nr>\n"); - rules = load_cache_table(argv[1], a2i(argv[2])); - dump_cache_rules(rules, 0); - return 0; -} -#endif diff --git a/sim/igen/ld-cache.h b/sim/igen/ld-cache.h deleted file mode 100644 index fe9387b..0000000 --- a/sim/igen/ld-cache.h +++ /dev/null @@ -1,81 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994,1995,1996, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - -/* Instruction unpacking: - - Once the instruction has been decoded, the register (and other) - fields within the instruction need to be extracted. - - The table that follows determines how each field should be treated. - Importantly it considers the case where the extracted field is to - be used immediatly or stored in an instruction cache. - - <type> - - Indicates what to do with the cache entry. If a cache is to be - used. SCRATCH and CACHE values are defined when a cache entry is - being filled while CACHE and COMPUTE values are defined in the - semantic code. - - Zero marks the end of the table. More importantly 1. indicates - that the entry is valid and can be cached. 2. indicates that that - the entry is valid but can not be cached. - - <field_name> - - The field name as given in the instruction spec. - - <derived_name> - - A new name for <field_name> once it has been extracted from the - instruction (and possibly stored in the instruction cache). - - <type> - - String specifying the storage type for <new_name> (the extracted - field>. - - <expression> - - Specifies how to get <new_name> from <old_name>. If null, old and - new name had better be the same. */ - - -typedef enum { - scratch_value, - cache_value, - compute_value, -} cache_rule_type; - -typedef struct _cache_table cache_table; -struct _cache_table { - cache_rule_type type; - char *field_name; - char *derived_name; - char *type_def; - char *expression; - table_entry *file_entry; - cache_table *next; -}; - - -extern cache_table *load_cache_table -(char *file_name, - int hi_bit_nr); diff --git a/sim/igen/ld-decode.c b/sim/igen/ld-decode.c deleted file mode 100644 index e0be0c3..0000000 --- a/sim/igen/ld-decode.c +++ /dev/null @@ -1,155 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994,1995,1996, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - -/* load the opcode stat structure */ - -#include "misc.h" -#include "lf.h" -#include "table.h" -#include "ld-decode.h" - -#ifndef NULL -#define NULL 0 -#endif - -enum { - op_options, - op_first, - op_last, - op_force_first, - op_force_last, - op_force_expansion, - op_special_mask, - op_special_value, - op_special_constant, - nr_decode_fields, -}; - -static const name_map decode_type_map[] = { - { "normal", normal_decode_rule }, - { "expand-forced", expand_forced_rule }, - { "boolean", boolean_rule }, - { NULL, normal_decode_rule }, -}; - -static const name_map decode_gen_map[] = { - { "array", array_gen }, - { "switch", switch_gen }, - { "padded-switch", padded_switch_gen }, - { "goto-switch", goto_switch_gen }, - { NULL, -1 }, -}; - -static const name_map decode_slash_map[] = { - { "variable-slash", 0 }, - { "constant-slash", 1 }, - { NULL }, -}; - - -static decode_gen_type overriding_gen_type = invalid_gen; - -void -force_decode_gen_type(const char *type) -{ - overriding_gen_type = name2i(type, decode_gen_map); -} - - -decode_table * -load_decode_table(char *file_name, - int hi_bit_nr) -{ - table *file = table_open(file_name, nr_decode_fields, 0); - table_entry *entry; - decode_table *table = NULL; - decode_table **curr_rule = &table; - while ((entry = table_entry_read(file)) != NULL) { - decode_table *new_rule = ZALLOC(decode_table); - new_rule->type = name2i(entry->fields[op_options], decode_type_map); - new_rule->gen = (overriding_gen_type != invalid_gen - ? overriding_gen_type - : name2i(entry->fields[op_options], decode_gen_map)); - new_rule->force_slash = name2i(entry->fields[op_options], decode_slash_map); - new_rule->first = target_a2i(hi_bit_nr, entry->fields[op_first]); - new_rule->last = target_a2i(hi_bit_nr, entry->fields[op_last]); - new_rule->force_first = (strlen(entry->fields[op_force_first]) - ? target_a2i(hi_bit_nr, entry->fields[op_force_first]) - : new_rule->last + 1); - new_rule->force_last = (strlen(entry->fields[op_force_last]) - ? target_a2i(hi_bit_nr, entry->fields[op_force_last]) - : new_rule->first - 1); - new_rule->force_expansion = entry->fields[op_force_expansion]; - new_rule->special_mask = a2i(entry->fields[op_special_mask]); - new_rule->special_value = a2i(entry->fields[op_special_value]); - new_rule->special_constant = a2i(entry->fields[op_special_constant]); - *curr_rule = new_rule; - curr_rule = &new_rule->next; - } - return table; -} - - -void -dump_decode_rule(decode_table *rule, - int indent) -{ - dumpf(indent, "((decode_table*)%p\n", rule); - if (rule) { - dumpf(indent, " (type %s)\n", i2name(rule->type, decode_type_map)); - dumpf(indent, " (gen %s)\n", i2name(rule->gen, decode_gen_map)); - dumpf(indent, " (force_slash %d)\n", rule->force_slash); - dumpf(indent, " (first %d)\n", rule->first); - dumpf(indent, " (last %d)\n", rule->last); - dumpf(indent, " (force_first %d)\n", rule->force_first); - dumpf(indent, " (force_last %d)\n", rule->force_last); - dumpf(indent, " (force_expansion \"%s\")\n", rule->force_expansion); - dumpf(indent, " (special_mask 0x%x)\n", rule->special_mask); - dumpf(indent, " (special_value 0x%x)\n", rule->special_value); - dumpf(indent, " (special_constant 0x%x)\n", rule->special_constant); - dumpf(indent, " (next 0x%x)\n", rule->next); - } - dumpf(indent, " )\n"); -} - - -#ifdef MAIN - -static void -dump_decode_rules(decode_table *rule, - int indent) -{ - while (rule) { - dump_decode_rule(rule, indent); - rule = rule->next; - } -} - -int -main(int argc, char **argv) -{ - decode_table *rules; - if (argc != 3) - error("Usage: decode <decode-file> <hi-bit-nr>\n"); - rules = load_decode_table(argv[1], a2i(argv[2])); - dump_decode_rules(rules, 0); - return 0; -} -#endif diff --git a/sim/igen/ld-decode.h b/sim/igen/ld-decode.h deleted file mode 100644 index de23181..0000000 --- a/sim/igen/ld-decode.h +++ /dev/null @@ -1,143 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994,1995,1996, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - -/* Instruction decode table: - - <options>:<first>:<last>:<force-first>:<force-last>:<force-expand>:<special>... - - - - Ignore the below: - - - The instruction decode table contains rules that dictate how igen - is going to firstly break down the opcode table and secondly - - The table that follows is used by gen to construct a decision tree - that can identify each possible instruction. Gen then outputs this - decision tree as (according to config) a table or switch statement - as the function idecode. - - In parallel to this, as mentioned above, WITH_EXPANDED_SEMANTICS - determines of the semantic functions themselves should be expanded - in a similar way. - - <first> - <last> - - Range of bits (within the instruction) that should be searched for - an instruction field. Within such ranges, gen looks for opcodes - (constants), registers (strings) and reserved bits (slash) and - according to the rules that follows includes or excludes them from - a possible instruction field. - - <force_first> - <force_last> - - If an instruction field was found, enlarge the field size so that - it is forced to at least include bits starting from <force_first> - (<force_last>). To stop this occuring, use <force_first> = <last> - + 1 and <force_last> = <first> - 1. - - <force_slash> - - Treat `/' fields as a constant instead of variable when looking for - an instruction field. - - <force_expansion> - - Treat any contained register (string) fields as constant when - determining the instruction field. For the instruction decode (and - controled by IDECODE_EXPAND_SEMANTICS) this forces the expansion of - what would otherwize be non constant bits of an instruction. - - <use_switch> - - Should this table be expanded using a switch statement (val 1) and - if so, should it be padded with entries so as to force the compiler - to generate a jump table (val 2). Or a branch table (val 3). - - <special_mask> - <special_value> - <special_rule> - <special_constant> - - Special rule to fine tune how specific (or groups) of instructions - are expanded. The applicability of the rule is determined by - - <special_mask> != 0 && (instruction> & <special_mask>) == <special_value> - - Where <instruction> is obtained by looking only at constant fields - with in an instructions spec. When determining an expansion, the - rule is only considered when a node contains a single instruction. - <special_rule> can be any of: - - 0: for this instruction, expand by earlier rules - 1: expand bits <force_low> .. <force_hi> only - 2: boolean expansion of only zero/non-zero cases - 3: boolean expansion of equality of special constant - - */ - - -typedef enum { - normal_decode_rule, - expand_forced_rule, - boolean_rule, - nr_decode_rules -} decode_special_type; - -typedef enum { - invalid_gen, - array_gen, - switch_gen, - padded_switch_gen, - goto_switch_gen, - nr_decode_gen_types, -} decode_gen_type; - - -typedef struct _decode_table decode_table; -struct _decode_table { - decode_special_type type; - decode_gen_type gen; - int first; - int last; - int force_first; - int force_last; - int force_slash; - char *force_expansion; - unsigned special_mask; - unsigned special_value; - unsigned special_constant; - decode_table *next; -}; - - -extern void force_decode_gen_type -(const char *type); - -extern decode_table *load_decode_table -(char *file_name, - int hi_bit_nr); - -extern void dump_decode_rule -(decode_table *rule, - int indent); diff --git a/sim/igen/ld-insn.c b/sim/igen/ld-insn.c deleted file mode 100644 index 7fc0e37..0000000 --- a/sim/igen/ld-insn.c +++ /dev/null @@ -1,1803 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1998, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - -#include "misc.h" -#include "lf.h" -#include "table.h" -#include "filter.h" -#include "igen.h" -#include "ld-insn.h" - -static insn_word_entry * -parse_insn_word (line_ref *line, - char *string, - int word_nr) -{ - char *chp; - insn_word_entry *word = ZALLOC (insn_word_entry); - - /* create a leading sentinal */ - word->first = ZALLOC (insn_field_entry); - word->first->first = -1; - word->first->last = -1; - word->first->width = 0; - - /* and a trailing sentinal */ - word->last = ZALLOC (insn_field_entry); - word->last->first = options.insn_bit_size; - word->last->last = options.insn_bit_size; - word->last->width = 0; - - /* link them together */ - word->first->next = word->last; - word->last->prev = word->first; - - /* now work through the formats */ - chp = skip_spaces (string); - - while (*chp != '\0') { - char *start_pos; - int strlen_pos; - char *start_val; - int strlen_val; - insn_field_entry *new_field; - - /* create / link in the new field */ - new_field = ZALLOC (insn_field_entry); - new_field->next = word->last; - new_field->prev = word->last->prev; - new_field->next->prev = new_field; - new_field->prev->next = new_field; - new_field->word_nr = word_nr; - - /* break out the first field (if present) */ - start_pos = chp; - chp = skip_to_separator (chp, ".,!"); - strlen_pos = back_spaces (start_pos, chp) - start_pos; - - /* break out the second field (if present) */ - if (*chp != '.') - { - /* assume what was specified was the value (and not the start - position). Assume the value length implicitly specifies - the number of bits */ - start_val = start_pos; - strlen_val = strlen_pos; - start_pos = ""; - strlen_pos = 0; - } - else - { - chp++; /* skip `.' */ - chp = skip_spaces (chp); - start_val = chp; - if (*chp == '/' || *chp == '*') - { - do - { - chp++; - } - while (*chp == '/' || *chp == '*'); - } - else if (isalpha(*start_val)) - { - do - { - chp++; - } - while (isalnum(*chp) || *chp == '_'); - } - else if (isdigit(*start_val)) - { - do { - chp++; - } - while (isalnum(*chp)); - } - strlen_val = chp - start_val; - chp = skip_spaces (chp); - } - if (strlen_val == 0) - error (line, "Empty value field\n"); - - /* break out any conditional fields - { [ "!" | "=" [ <value> | <field-name> } */ - while (*chp == '!' || *chp == '=') - { - char *start; - char *end; - int len; - insn_field_cond *new_cond = ZALLOC (insn_field_cond); - - /* determine the conditional test */ - switch (*chp) - { - case '=': - new_cond->test = insn_field_cond_eq; - break; - case '!': - new_cond->test = insn_field_cond_ne; - break; - default: - ASSERT (0); - } - - /* save the value */ - chp++; - chp = skip_spaces (chp); - start = chp; - chp = skip_to_separator (chp, "+,:!="); - end = back_spaces (start, chp); - len = end - start; - if (len == 0) - error (line, "Missing or invalid conditional value\n"); - new_cond->string = NZALLOC (char, len + 1); - strncpy (new_cond->string, start, len); - - /* determine the conditional type */ - if (isdigit (*start)) - { - /* [ "!" | "=" ] <value> */ - new_cond->type = insn_field_cond_value; - new_cond->value = a2i (new_cond->string); - } - else - { - /* [ "!" | "=" ] <field> - check field valid */ - new_cond->type = insn_field_cond_field; - /* new_cond->field is determined in later */ - } - - /* Only a single `=' is permitted. */ - if ((new_cond->test == insn_field_cond_eq - && new_field->conditions != NULL) - || (new_field->conditions != NULL - && new_field->conditions->test == insn_field_cond_eq)) - error (line, "Only single conditional when `=' allowed\n"); - - /* insert it */ - { - insn_field_cond **last = &new_field->conditions; - while (*last != NULL) - last = &(*last)->next; - *last = new_cond; - } - } - - /* NOW verify that the field was finished */ - if (*chp == ',') - { - chp = skip_spaces (chp + 1); - if (*chp == '\0') - error (line, "empty field\n"); - } - else if (*chp != '\0') - { - error (line, "Missing field separator\n"); - } - - /* copy the value */ - new_field->val_string = NZALLOC (char, strlen_val+1); - strncpy (new_field->val_string, start_val, strlen_val); - if (isdigit (new_field->val_string[0])) - { - if (strlen_pos == 0) - { - /* when the length/pos field is omited, an integer field - is always binary */ - unsigned64 val = 0; - int i; - for (i = 0; i < strlen_val; i++) - { - if (new_field->val_string[i] != '0' - && new_field->val_string[i] != '1') - error (line, "invalid binary field %s\n", - new_field->val_string); - val = (val << 1) + (new_field->val_string[i] == '1'); - } - new_field->val_int = val; - new_field->type = insn_field_int; - } - else - { - new_field->val_int = a2i (new_field->val_string); - new_field->type = insn_field_int; - } - } - else if (new_field->val_string[0] == '/') - { - new_field->type = insn_field_reserved; - } - else if (new_field->val_string[0] == '*') - { - new_field->type = insn_field_wild; - } - else - { - new_field->type = insn_field_string; - if (filter_is_member (word->field_names, new_field->val_string)) - error (line, "Field name %s is duplicated\n", new_field->val_string); - filter_parse (&word->field_names, new_field->val_string); - } - if (new_field->type != insn_field_string - && new_field->conditions != NULL) - error (line, "Conditionals can only be applied to named fields\n"); - - /* the copy the position */ - new_field->pos_string = NZALLOC (char, strlen_pos + 1); - strncpy (new_field->pos_string, start_pos, strlen_pos); - if (strlen_pos == 0) - { - new_field->first = new_field->prev->last + 1; - if (new_field->first == 0 /* first field */ - && *chp == '\0' /* no further fields */ - && new_field->type == insn_field_string) - { - /* A single string without any position, assume that it - represents the entire instruction word */ - new_field->width = options.insn_bit_size; - } - else - { - /* No explicit width/position, assume value implicitly - supplies the width */ - new_field->width = strlen_val; - } - new_field->last = new_field->first + new_field->width - 1; - if (new_field->last >= options.insn_bit_size) - error (line, "Bit position %d exceed instruction bit size (%d)\n", - new_field->last, options.insn_bit_size); - } - else if (options.insn_specifying_widths) - { - new_field->first = new_field->prev->last + 1; - new_field->width = a2i(new_field->pos_string); - new_field->last = new_field->first + new_field->width - 1; - if (new_field->last >= options.insn_bit_size) - error (line, "Bit position %d exceed instruction bit size (%d)\n", - new_field->last, options.insn_bit_size); - } - else - { - new_field->first = target_a2i(options.hi_bit_nr, - new_field->pos_string); - new_field->last = new_field->next->first - 1; /* guess */ - new_field->width = new_field->last - new_field->first + 1; /* guess */ - new_field->prev->last = new_field->first - 1; /*fix*/ - new_field->prev->width = new_field->first - new_field->prev->first; /*fix*/ - } - } - - /* fiddle first/last so that the sentinals disapear */ - ASSERT(word->first->last < 0); - ASSERT(word->last->first >= options.insn_bit_size); - word->first = word->first->next; - word->last = word->last->prev; - - /* check that the last field goes all the way to the last bit */ - if (word->last->last != options.insn_bit_size - 1) - { - if (options.warn.width) - options.warning (line, "Instruction format is not %d bits wide\n", - options.insn_bit_size); - word->last->last = options.insn_bit_size - 1; - } - - /* now go over this again, pointing each bit position at a field - record */ - { - insn_field_entry *field; - for (field = word->first; - field->last < options.insn_bit_size; - field = field->next) - { - int i; - for (i = field->first; i <= field->last; i++) - { - word->bit[i] = ZALLOC (insn_bit_entry); - word->bit[i]->field = field; - switch (field->type) - { - case insn_field_invalid: - ASSERT (0); - break; - case insn_field_int: - word->bit[i]->mask = 1; - word->bit[i]->value = ((field->val_int - & ((insn_uint)1 << (field->last - i))) - != 0); - case insn_field_reserved: - case insn_field_wild: - case insn_field_string: - break; - } - } - } - } - - /* go over all fields that have conditionals refering to other - fields. Link the fields up. Verify that the two fields have the - same size. Verify that the two fields are different */ - { - insn_field_entry *f; - for (f = word->first; - f->last < options.insn_bit_size; - f = f->next) - { - insn_field_cond *cond; - for (cond = f->conditions; - cond != NULL; - cond = cond->next) - { - if (cond->type == insn_field_cond_field) - { - insn_field_entry *field; - if (strcmp (cond->string, f->val_string) == 0) - error (line, "Conditional of field `%s' refers to its self\n", - f->val_string); - for (field = word->first; - field != NULL; - field = field->next) - { - if (field->type == insn_field_string - && strcmp (field->val_string, cond->string) == 0) - { - /* found field being refered to by conditonal */ - cond->field = field; - /* check refered to and this field are the - same size */ - if (f->width != field->width) - error (line, "Conditional `%s' of field `%s' has different size\n", - field->width, f->width); - break; - } - } - if (cond->field == NULL) - error (line, "Condition field refers to non-existant field `%s'\n", - cond->string); - } - } - } - } - - return word; -} - - -static void -parse_insn_words (insn_entry *insn, - char *formats) -{ - insn_word_entry **last_word = &insn->words; - char *chp; - - /* now work through the formats */ - insn->nr_words = 0; - chp = formats; - - while (1) - { - char *start_pos; - char *end_pos; - int strlen_pos; - char *format; - insn_word_entry *new_word; - - /* skip leading spaces */ - chp = skip_spaces (chp); - - /* break out the format */ - start_pos = chp; - chp = skip_to_separator (chp, "+"); - end_pos = back_spaces (start_pos, chp); - strlen_pos = end_pos - start_pos; - - /* check that something was there */ - if (strlen_pos == 0) - error (insn->line, "missing or empty instruction format\n"); - - /* parse the field */ - format = NZALLOC (char, strlen_pos + 1); - strncpy (format, start_pos, strlen_pos); - new_word = parse_insn_word (insn->line, format, insn->nr_words); - insn->nr_words++; - if (filter_is_common (insn->field_names, new_word->field_names)) - error (insn->line, "Field name duplicated between two words\n"); - filter_add (&insn->field_names, new_word->field_names); - - /* insert it */ - *last_word = new_word; - last_word = &new_word->next; - - /* last format? */ - if (*chp == '\0') - break; - ASSERT (*chp == '+'); - chp++; - } - - /* now create a quick access array of the same structure */ - { - int i; - insn_word_entry *word; - insn->word = NZALLOC (insn_word_entry *, insn->nr_words + 1); - for (i = 0, word = insn->words; - i < insn->nr_words; - i++, word = word->next) - insn->word[i] = word; - } -} - -typedef enum { - unknown_record = 0, - insn_record, /* default */ - code_record, - cache_record, - compute_record, - scratch_record, - option_record, - string_function_record, - function_record, - internal_record, - define_record, - include_record, - model_processor_record, - model_macro_record, - model_data_record, - model_static_record, - model_function_record, - model_internal_record, -} insn_record_type; - -static const name_map insn_type_map[] = { - { "option", option_record }, - { "cache", cache_record }, - { "compute", compute_record }, - { "scratch", scratch_record }, - { "define", define_record }, - { "include", include_record }, - { "%s", string_function_record }, - { "function", function_record }, - { "internal", internal_record }, - { "model", model_processor_record }, - { "model-macro", model_macro_record }, - { "model-data", model_data_record }, - { "model-static", model_static_record }, - { "model-internal", model_internal_record }, - { "model-function", model_function_record }, - { NULL, insn_record }, -}; - - -static int -record_is_old (table_entry *entry) -{ - if (entry->nr_fields > record_type_field - && strlen (entry->field[record_type_field]) == 0) - return 1; - return 0; -} - -static insn_record_type -record_type (table_entry *entry) -{ - switch (entry->type) - { - case table_code_entry: - return code_record; - - case table_colon_entry: - if (record_is_old (entry)) - { - /* old-format? */ - if (entry->nr_fields > old_record_type_field) - { - int i = name2i (entry->field[old_record_type_field], - insn_type_map); - return i; - } - else - { - return unknown_record; - } - } - else if (entry->nr_fields > record_type_field - && entry->field[0][0] == '\0') - { - /* new-format? */ - int i = name2i (entry->field[record_type_field], - insn_type_map); - return i; - } - else - return insn_record; /* default */ - } - return unknown_record; -} - -static int -record_prefix_is (table_entry *entry, - char ch, - int nr_fields) -{ - if (entry->type != table_colon_entry) - return 0; - if (entry->nr_fields < nr_fields) - return 0; - if (entry->field[0][0] != ch && ch != '\0') - return 0; - return 1; -} - -static table_entry * -parse_model_data_record (insn_table *isa, - table *file, - table_entry *record, - int nr_fields, - model_data **list) -{ - table_entry *model_record = record; - table_entry *code_record = NULL; - model_data *new_data; - if (record->nr_fields < nr_fields) - error (record->line, "Incorrect number of fields\n"); - record = table_read (file); - if (record->type == table_code_entry) - { - code_record = record; - record = table_read (file); - } - /* create the new data record */ - new_data = ZALLOC (model_data); - new_data->line = model_record->line; - filter_parse (&new_data->flags, - model_record->field[record_filter_flags_field]); - new_data->entry = model_record; - new_data->code = code_record; - /* append it if not filtered out */ - if (!is_filtered_out (options.flags_filter, - model_record->field[record_filter_flags_field]) - && !is_filtered_out (options.model_filter, - model_record->field[record_filter_models_field])) - { - while (*list != NULL) - list = &(*list)->next; - *list = new_data; - } - return record; -} - - -typedef enum { - insn_bit_size_option = 1, - insn_specifying_widths_option, - hi_bit_nr_option, - flags_filter_option, - model_filter_option, - multi_sim_option, - format_names_option, - gen_delayed_branch, - unknown_option, -} option_names; - -static const name_map option_map[] = { - { "insn-bit-size", insn_bit_size_option }, - { "insn-specifying-widths", insn_specifying_widths_option }, - { "hi-bit-nr", hi_bit_nr_option }, - { "flags-filter", flags_filter_option }, - { "model-filter", model_filter_option }, - { "multi-sim", multi_sim_option }, - { "format-names", format_names_option }, - { "gen-delayed-branch", gen_delayed_branch }, - { NULL, unknown_option }, -}; - -static table_entry * -parse_include_record (table *file, - table_entry *record) -{ - /* parse the include record */ - if (record->nr_fields < nr_include_fields) - error (record->line, "Incorrect nr fields for include record\n"); - /* process it */ - if (!is_filtered_out (options.flags_filter, - record->field[record_filter_flags_field]) - && !is_filtered_out (options.model_filter, - record->field[record_filter_models_field])) - { - table_push (file, record->line, options.include, - record->field[include_filename_field]); - } - /* nb: can't read next record until after the file has been pushed */ - record = table_read (file); - return record; -} - - -static table_entry * -parse_option_record (table *file, - table_entry *record) -{ - table_entry *option_record; - /* parse the option record */ - option_record = record; - if (record->nr_fields < nr_option_fields) - error (record->line, "Incorrect nr of fields for option record\n"); - record = table_read (file); - /* process it */ - if (!is_filtered_out (options.flags_filter, - option_record->field[record_filter_flags_field]) - && !is_filtered_out (options.model_filter, - option_record->field[record_filter_models_field])) - { - char *name = option_record->field[option_name_field]; - option_names option = name2i (name, option_map); - char *value = option_record->field[option_value_field]; - switch (option) - { - case insn_bit_size_option: - { - options.insn_bit_size = a2i (value); - if (options.insn_bit_size < 0 - || options.insn_bit_size > max_insn_bit_size) - error (option_record->line, "Instruction bit size out of range\n"); - if (options.hi_bit_nr != options.insn_bit_size - 1 - && options.hi_bit_nr != 0) - error (option_record->line, "insn-bit-size / hi-bit-nr conflict\n"); - break; - } - case insn_specifying_widths_option: - { - options.insn_specifying_widths = a2i (value); - break; - } - case hi_bit_nr_option: - { - options.hi_bit_nr = a2i (value); - if (options.hi_bit_nr != 0 - && options.hi_bit_nr != options.insn_bit_size - 1) - error (option_record->line, "hi-bit-nr / insn-bit-size conflict\n"); - break; - } - case flags_filter_option: - { - filter_parse (&options.flags_filter, value); - break; - } - case model_filter_option: - { - filter_parse (&options.model_filter, value); - break; - } - case multi_sim_option: - { - options.gen.multi_sim = a2i (value); - break; - } - case format_names_option: - { - filter_parse (&options.format_name_filter, value); - break; - } - case gen_delayed_branch: - { - options.gen.delayed_branch = a2i (value); - break; - } - case unknown_option: - { - error (option_record->line, "Unknown option - %s\n", name); - break; - } - } - } - return record; -} - - -static table_entry * -parse_function_record (table *file, - table_entry *record, - function_entry **list, - function_entry **list_entry, - int is_internal, - model_table *model) -{ - function_entry *new_function; - new_function = ZALLOC (function_entry); - new_function->line = record->line; - new_function->is_internal = is_internal; - /* parse the function header */ - if (record_is_old (record)) - { - if (record->nr_fields < nr_old_function_fields) - error (record->line, "Missing fields from (old) function record\n"); - new_function->type = record->field[old_function_typedef_field]; - new_function->type = record->field[old_function_typedef_field]; - if (record->nr_fields > old_function_param_field) - new_function->param = record->field[old_function_param_field]; - new_function->name = record->field[old_function_name_field]; - } - else - { - if (record->nr_fields < nr_function_fields) - error (record->line, "Missing fields from function record\n"); - filter_parse (&new_function->flags, - record->field[record_filter_flags_field]); - filter_parse (&new_function->models, - record->field[record_filter_models_field]); - new_function->type = record->field[function_typedef_field]; - new_function->param = record->field[function_param_field]; - new_function->name = record->field[function_name_field]; - } - record = table_read (file); - /* parse any function-model records */ - while (record != NULL - && record_prefix_is (record, '*', nr_function_model_fields)) - { - char *model_name = record->field[function_model_name_field] + 1; /*skip `*'*/ - filter_parse (&new_function->models, model_name); - if (!filter_is_subset (model->processors, new_function->models)) - { - error (record->line, "machine model `%s' undefined\n", model_name); - } - record = table_read (file); - } - /* parse the function body */ - if (record->type == table_code_entry) - { - new_function->code = record; - record = table_read (file); - } - /* insert it */ - if (!filter_is_subset (options.flags_filter, new_function->flags)) - { - if (options.warn.discard) - notify (new_function->line, "Discarding function %s - filter flags\n", - new_function->name); - } - else if (new_function->models != NULL - && !filter_is_common (options.model_filter, new_function->models)) - { - if (options.warn.discard) - notify (new_function->line, "Discarding function %s - filter models\n", - new_function->name); - } - else - { - while (*list != NULL) - list = &(*list)->next; - *list = new_function; - if (list_entry != NULL) - *list_entry = new_function; - } - /* done */ - return record; -} - -static void -parse_insn_model_record (table *file, - table_entry *record, - insn_entry *insn, - model_table *model) -{ - insn_model_entry **last_insn_model; - insn_model_entry *new_insn_model = ZALLOC (insn_model_entry); - /* parse it */ - new_insn_model->line = record->line; - if (record->nr_fields > insn_model_unit_data_field) - new_insn_model->unit_data = record->field[insn_model_unit_data_field]; - new_insn_model->insn = insn; - /* parse the model names, verify that all were defined */ - new_insn_model->names = NULL; - filter_parse (&new_insn_model->names, - record->field[insn_model_name_field] + 1 /*skip `*'*/); - if (new_insn_model->names == NULL) - { - /* No processor names - a generic model entry, enter it into all - the non-empty fields */ - int index; - for (index = 0; index < model->nr_models; index++) - if (insn->model[index] == 0) - { - insn->model[index] = new_insn_model; - } - /* also add the complete processor set to this processor's set */ - filter_add (&insn->processors, model->processors); - } - else - { - /* Find the corresponding master model record for each name so - that they can be linked in. */ - int index; - char *name = ""; - while (1) - { - name = filter_next (new_insn_model->names, name); - if (name == NULL) break; - index = filter_is_member (model->processors, name) - 1; - if (index < 0) - { - error (new_insn_model->line, - "machine model `%s' undefined\n", name); - } - /* store it in the corresponding model array entry */ - if (insn->model[index] != NULL - && insn->model[index]->names != NULL) - { - warning (new_insn_model->line, - "machine model `%s' previously defined\n", name); - error (insn->model[index]->line, "earlier definition\n"); - } - insn->model[index] = new_insn_model; - /* also add the name to the instructions processor set as an - alternative lookup mechanism */ - filter_parse (&insn->processors, name); - } - } -#if 0 - /* for some reason record the max length of any - function unit field */ - int len = strlen (insn_model_ptr->field[insn_model_fields]); - if (model->max_model_fields_len < len) - model->max_model_fields_len = len; -#endif - /* link it in */ - last_insn_model = &insn->models; - while ((*last_insn_model) != NULL) - last_insn_model = &(*last_insn_model)->next; - *last_insn_model = new_insn_model; -} - - -static void -parse_insn_mnemonic_record (table *file, - table_entry *record, - insn_entry *insn) -{ - insn_mnemonic_entry **last_insn_mnemonic; - insn_mnemonic_entry *new_insn_mnemonic = ZALLOC (insn_mnemonic_entry); - /* parse it */ - new_insn_mnemonic->line = record->line; - ASSERT (record->nr_fields > insn_mnemonic_format_field); - new_insn_mnemonic->format = record->field[insn_mnemonic_format_field]; - ASSERT (new_insn_mnemonic->format[0] == '"'); - if (new_insn_mnemonic->format[strlen (new_insn_mnemonic->format) - 1] != '"') - error (new_insn_mnemonic->line, "Missing closing double quote in mnemonic field\n"); - if (record->nr_fields > insn_mnemonic_condition_field) - new_insn_mnemonic->condition = record->field[insn_mnemonic_condition_field]; - new_insn_mnemonic->insn = insn; - /* insert it */ - last_insn_mnemonic = &insn->mnemonics; - while ((*last_insn_mnemonic) != NULL) - last_insn_mnemonic = &(*last_insn_mnemonic)->next; - insn->nr_mnemonics++; - *last_insn_mnemonic = new_insn_mnemonic; -} - - -static table_entry * -parse_macro_record (table *file, - table_entry *record) -{ -#if 1 - error (record->line, "Macros are not implemented"); -#else - /* parse the define record */ - if (record->nr_fields < nr_define_fields) - error (record->line, "Incorrect nr fields for define record\n"); - /* process it */ - if (!is_filtered_out (options.flags_filter, - record->field[record_filter_flags_field]) - && !is_filtered_out (options.model_filter, - record->field[record_filter_models_field])) - { - table_define (file, - record->line, - record->field[macro_name_field], - record->field[macro_args_field], - record->field[macro_expr_field]); - } - record = table_read (file); -#endif - return record; -} - - -insn_table * -load_insn_table (char *file_name, - cache_entry *cache) -{ - table *file = table_open (file_name); - table_entry *record = table_read (file); - - insn_table *isa = ZALLOC (insn_table); - model_table *model = ZALLOC (model_table); - - isa->model = model; - isa->caches = cache; - - while (record != NULL) - { - - switch (record_type (record)) - { - - case include_record: - { - record = parse_include_record (file, record); - break; - } - - case option_record: - { - if (isa->insns != NULL) - error (record->line, "Option after first instruction\n"); - record = parse_option_record (file, record); - break; - } - - case string_function_record: - { - function_entry *function = NULL; - record = parse_function_record (file, record, - &isa->functions, - &function, - 0/*is-internal*/, - model); - /* convert a string function record into an internal function */ - if (function != NULL) - { - char *name = NZALLOC (char, - (strlen ("str_") - + strlen (function->name) - + 1)); - strcat (name, "str_"); - strcat (name, function->name); - function->name = name; - function->type = "const char *"; - } - break; - } - - case function_record: /* function record */ - { - record = parse_function_record (file, record, - &isa->functions, - NULL, - 0/*is-internal*/, - model); - break; - } - - case internal_record: - { - /* only insert it into the function list if it is unknown */ - function_entry *function = NULL; - record = parse_function_record (file, record, - &isa->functions, - &function, - 1/*is-internal*/, - model); - /* check what was inserted to see if a pseudo-instruction - entry also needs to be created */ - if (function != NULL) - { - insn_entry **insn = NULL; - if (strcmp (function->name, "illegal") == 0) - { - /* illegal function save it away */ - if (isa->illegal_insn != NULL) - { - warning (function->line, - "Multiple illegal instruction definitions\n"); - error (isa->illegal_insn->line, - "Location of first illegal instruction\n"); - } - else - insn = &isa->illegal_insn; - } - if (insn != NULL) - { - *insn = ZALLOC (insn_entry); - (*insn)->line = function->line; - (*insn)->name = function->name; - (*insn)->code = function->code; - } - } - break; - } - - case scratch_record: /* cache macro records */ - case cache_record: - case compute_record: - { - cache_entry *new_cache; - /* parse the cache record */ - if (record->nr_fields < nr_cache_fields) - error (record->line, - "Incorrect nr of fields for scratch/cache/compute record\n"); - /* create it */ - new_cache = ZALLOC (cache_entry); - new_cache->line = record->line; - filter_parse (&new_cache->flags, - record->field[record_filter_flags_field]); - filter_parse (&new_cache->models, - record->field[record_filter_models_field]); - new_cache->type = record->field[cache_typedef_field]; - new_cache->name = record->field[cache_name_field]; - filter_parse (&new_cache->original_fields, - record->field[cache_original_fields_field]); - new_cache->expression = record->field[cache_expression_field]; - /* insert it but only if not filtered out */ - if (!filter_is_subset (options.flags_filter, new_cache->flags)) - { - notify (new_cache->line, "Discarding cache entry %s - filter flags\n", - new_cache->name); - } - else if (is_filtered_out (options.model_filter, - record->field[record_filter_models_field])) - { - notify (new_cache->line, "Discarding cache entry %s - filter models\n", - new_cache->name); - } - else - { - cache_entry **last; - last = &isa->caches; - while (*last != NULL) - last = &(*last)->next; - *last = new_cache; - } - /* advance things */ - record = table_read (file); - break; - } - - /* model records */ - case model_processor_record: - { - model_entry *new_model; - /* parse the model */ - if (record->nr_fields < nr_model_processor_fields) - error (record->line, "Incorrect nr of fields for model record\n"); - if (isa->insns != NULL) - error (record->line, "Model appears after first instruction\n"); - new_model = ZALLOC (model_entry); - filter_parse (&new_model->flags, - record->field[record_filter_flags_field]); - new_model->line = record->line; - new_model->name = record->field[model_name_field]; - new_model->full_name = record->field[model_full_name_field]; - new_model->unit_data = record->field[model_unit_data_field]; - /* only insert it if not filtered out */ - if (!filter_is_subset (options.flags_filter, new_model->flags)) - { - notify (new_model->line, "Discarding processor model %s - filter flags\n", - new_model->name); - } - else if (is_filtered_out (options.model_filter, - record->field[record_filter_models_field])) - { - notify (new_model->line, "Discarding processor model %s - filter models\n", - new_model->name); - } - else if (filter_is_member (model->processors, new_model->name)) - { - error (new_model->line, "Duplicate processor model %s\n", - new_model->name); - } - else - { - model_entry **last; - last = &model->models; - while (*last != NULL) - last = &(*last)->next; - *last = new_model; - /* count it */ - model->nr_models ++; - filter_parse (&model->processors, new_model->name); - } - /* advance things */ - record = table_read (file); - } - break; - - case model_macro_record: - record = parse_model_data_record (isa, file, record, - nr_model_macro_fields, - &model->macros); - break; - - case model_data_record: - record = parse_model_data_record (isa, file, record, - nr_model_data_fields, - &model->data); - break; - - case model_static_record: - record = parse_function_record (file, record, - &model->statics, - NULL, - 0/*is internal*/, - model); - break; - - case model_internal_record: - record = parse_function_record (file, record, - &model->internals, - NULL, - 1/*is internal*/, - model); - break; - - case model_function_record: - record = parse_function_record (file, record, - &model->functions, - NULL, - 0/*is internal*/, - model); - break; - - case insn_record: /* instruction records */ - { - insn_entry *new_insn; - char *format; - /* parse the instruction */ - if (record->nr_fields < nr_insn_fields) - error (record->line, "Incorrect nr of fields for insn record\n"); - new_insn = ZALLOC (insn_entry); - new_insn->line = record->line; - filter_parse (&new_insn->flags, - record->field[record_filter_flags_field]); - /* save the format field. Can't parse it until after the - filter-out checks. Could be filtered out because the - format is invalid */ - format = record->field[insn_word_field]; - new_insn->format_name = record->field[insn_format_name_field]; - if (options.format_name_filter != NULL - && !filter_is_member (options.format_name_filter, - new_insn->format_name)) - error (new_insn->line, "Unreconized instruction format name `%s'\n", - new_insn->format_name); - filter_parse (&new_insn->options, - record->field[insn_options_field]); - new_insn->name = record->field[insn_name_field]; - record = table_read (file); - /* Parse any model/assember records */ - new_insn->nr_models = model->nr_models; - new_insn->model = NZALLOC (insn_model_entry*, model->nr_models + 1); - while (record != NULL) - { - if (record_prefix_is (record, '*', nr_insn_model_fields)) - parse_insn_model_record (file, record, new_insn, model); - else if (record_prefix_is (record, '"', nr_insn_mnemonic_fields)) - parse_insn_mnemonic_record (file, record, new_insn); - else - break; - /* advance */ - record = table_read (file); - } - /* Parse the code record */ - if (record != NULL && record->type == table_code_entry) - { - new_insn->code = record; - record = table_read (file); - } - /* insert it */ - if (!filter_is_subset (options.flags_filter, new_insn->flags)) - { - if (options.warn.discard) - notify (new_insn->line, - "Discarding instruction %s (flags-filter)\n", - new_insn->name); - } - else if (new_insn->processors != NULL - && options.model_filter != NULL - && !filter_is_common (options.model_filter, - new_insn->processors)) - { - /* only discard an instruction based in the processor - model when both the instruction and the options are - nonempty */ - if (options.warn.discard) - notify (new_insn->line, - "Discarding instruction %s (processor-model)\n", - new_insn->name); - } - else - { - insn_entry **last; - /* finish the parsing */ - parse_insn_words (new_insn, format); - /* append it */ - last = &isa->insns; - while (*last) - last = &(*last)->next; - *last = new_insn; - /* update global isa counters */ - isa->nr_insns ++; - if (isa->max_nr_words < new_insn->nr_words) - isa->max_nr_words = new_insn->nr_words; - filter_add (&isa->flags, new_insn->flags); - filter_add (&isa->options, new_insn->options); - } - break; - } - - case define_record: - record = parse_macro_record (file, record); - break; - - case unknown_record: - case code_record: - error (record->line, "Unknown or unexpected entry\n"); - - - } - } - return isa; -} - - -void -print_insn_words (lf *file, - insn_entry *insn) -{ - insn_word_entry *word = insn->words; - if (word != NULL) - { - while (1) - { - insn_field_entry *field = word->first; - while (1) - { - if (options.insn_specifying_widths) - lf_printf (file, "%d.", field->width); - else - lf_printf (file, "%d.", i2target (options.hi_bit_nr, field->first)); - switch (field->type) - { - case insn_field_invalid: - ASSERT (0); - break; - case insn_field_int: - lf_printf (file, "0x%lx", (long) field->val_int); - break; - case insn_field_reserved: - lf_printf (file, "/"); - break; - case insn_field_wild: - lf_printf (file, "*"); - break; - case insn_field_string: - lf_printf (file, "%s", field->val_string); - break; - } - if (field == word->last) - break; - field = field->next; - lf_printf (file, ","); - } - word = word->next; - if (word == NULL) - break; - lf_printf (file, "+"); - } - } -} - - - -void -function_entry_traverse (lf *file, - function_entry *functions, - function_entry_handler *handler, - void *data) -{ - function_entry *function; - for (function = functions; function != NULL; function = function->next) - { - handler (file, function, data); - } -} - -void -insn_table_traverse_insn (lf *file, - insn_table *isa, - insn_entry_handler *handler, - void *data) -{ - insn_entry *insn; - for (insn = isa->insns; insn != NULL; insn = insn->next) - { - handler (file, isa, insn, data); - } -} - - -static void -dump_function_entry (lf *file, - char *prefix, - function_entry *entry, - char *suffix) -{ - lf_printf (file, "%s(function_entry *) 0x%lx", prefix, (long) entry); - if (entry != NULL) - { - dump_line_ref (file, "\n(line ", entry->line, ")"); - dump_filter (file, "\n(flags ", entry->flags, ")"); - lf_printf (file, "\n(type \"%s\")", entry->type); - lf_printf (file, "\n(name \"%s\")", entry->name); - lf_printf (file, "\n(param \"%s\")", entry->param); - dump_table_entry (file, "\n(code ", entry->code, ")"); - lf_printf (file, "\n(is_internal %d)", entry->is_internal); - lf_printf (file, "\n(next 0x%lx)", (long) entry->next); - } - lf_printf (file, "%s", suffix); -} - -static void -dump_function_entries (lf *file, - char *prefix, - function_entry *entry, - char *suffix) -{ - lf_printf (file, "%s", prefix); - lf_indent (file, +1); - while (entry != NULL) - { - dump_function_entry (file, "\n(", entry, ")"); - entry = entry->next; - } - lf_indent (file, -1); - lf_printf (file, "%s", suffix); -} - -static char * -cache_entry_type_to_str (cache_entry_type type) -{ - switch (type) - { - case scratch_value: return "scratch"; - case cache_value: return "cache"; - case compute_value: return "compute"; - } - ERROR ("Bad switch"); - return 0; -} - -static void -dump_cache_entry (lf *file, - char *prefix, - cache_entry *entry, - char *suffix) -{ - lf_printf (file, "%s(cache_entry *) 0x%lx", prefix, (long) entry); - if (entry != NULL) - { - dump_line_ref (file, "\n(line ", entry->line, ")"); - dump_filter (file, "\n(flags ", entry->flags, ")"); - lf_printf (file, "\n(entry_type \"%s\")", cache_entry_type_to_str (entry->entry_type)); - lf_printf (file, "\n(name \"%s\")", entry->name); - dump_filter (file, "\n(original_fields ", entry->original_fields, ")"); - lf_printf (file, "\n(type \"%s\")", entry->type); - lf_printf (file, "\n(expression \"%s\")", entry->expression); - lf_printf (file, "\n(next 0x%lx)", (long) entry->next); - } - lf_printf (file, "%s", suffix); -} - -void -dump_cache_entries (lf *file, - char *prefix, - cache_entry *entry, - char *suffix) -{ - lf_printf (file, "%s", prefix); - lf_indent (file, +1); - while (entry != NULL) - { - dump_cache_entry (file, "\n(", entry, ")"); - entry = entry->next; - } - lf_indent (file, -1); - lf_printf (file, "%s", suffix); -} - -static void -dump_model_data (lf *file, - char *prefix, - model_data *entry, - char *suffix) -{ - lf_printf (file, "%s(model_data *) 0x%lx", prefix, (long) entry); - if (entry != NULL) - { - lf_indent (file, +1); - dump_line_ref (file, "\n(line ", entry->line, ")"); - dump_filter (file, "\n(flags ", entry->flags, ")"); - dump_table_entry (file, "\n(entry ", entry->entry, ")"); - dump_table_entry (file, "\n(code ", entry->code, ")"); - lf_printf (file, "\n(next 0x%lx)", (long) entry->next); - lf_indent (file, -1); - } - lf_printf (file, "%s", prefix); -} - -static void -dump_model_datas (lf *file, - char *prefix, - model_data *entry, - char *suffix) -{ - lf_printf (file, "%s", prefix); - lf_indent (file, +1); - while (entry != NULL) - { - dump_model_data (file, "\n(", entry, ")"); - entry = entry->next; - } - lf_indent (file, -1); - lf_printf (file, "%s", suffix); -} - -static void -dump_model_entry (lf *file, - char *prefix, - model_entry *entry, - char *suffix) -{ - lf_printf (file, "%s(model_entry *) 0x%lx", prefix, (long) entry); - if (entry != NULL) - { - lf_indent (file, +1); - dump_line_ref (file, "\n(line ", entry->line, ")"); - dump_filter (file, "\n(flags ", entry->flags, ")"); - lf_printf (file, "\n(name \"%s\")", entry->name); - lf_printf (file, "\n(full_name \"%s\")", entry->full_name); - lf_printf (file, "\n(unit_data \"%s\")", entry->unit_data); - lf_printf (file, "\n(next 0x%lx)", (long) entry->next); - lf_indent (file, -1); - } - lf_printf (file, "%s", prefix); -} - -static void -dump_model_entries (lf *file, - char *prefix, - model_entry *entry, - char *suffix) -{ - lf_printf (file, "%s", prefix); - lf_indent (file, +1); - while (entry != NULL) - { - dump_model_entry (file, "\n(", entry, ")"); - entry = entry->next; - } - lf_indent (file, -1); - lf_printf (file, "%s", suffix); -} - - -static void -dump_model_table (lf *file, - char *prefix, - model_table *entry, - char *suffix) -{ - lf_printf (file, "%s(model_table *) 0x%lx", prefix, (long) entry); - if (entry != NULL) - { - lf_indent (file, +1); - dump_filter (file, "\n(processors ", entry->processors, ")"); - lf_printf (file, "\n(nr_models %d)", entry->nr_models); - dump_model_entries (file, "\n(models ", entry->models, ")"); - dump_model_datas (file, "\n(macros ", entry->macros, ")"); - dump_model_datas (file, "\n(data ", entry->data, ")"); - dump_function_entries (file, "\n(statics ", entry->statics, ")"); - dump_function_entries (file, "\n(internals ", entry->functions, ")"); - dump_function_entries (file, "\n(functions ", entry->functions, ")"); - lf_indent (file, -1); - } - lf_printf (file, "%s", suffix); -} - - -static char * -insn_field_type_to_str (insn_field_type type) -{ - switch (type) - { - case insn_field_invalid: ASSERT (0); return "(invalid)"; - case insn_field_int: return "int"; - case insn_field_reserved: return "reserved"; - case insn_field_wild: return "wild"; - case insn_field_string: return "string"; - } - ERROR ("bad switch"); - return 0; -} - -void -dump_insn_field (lf *file, - char *prefix, - insn_field_entry *field, - char *suffix) -{ - char *sep = " "; - lf_printf (file, "%s(insn_field_entry *) 0x%lx", prefix, (long) field); - if (field != NULL) - { - lf_indent (file, +1); - lf_printf (file, "%s(first %d)", sep, field->first); - lf_printf (file, "%s(last %d)", sep, field->last); - lf_printf (file, "%s(width %d)", sep, field->width); - lf_printf (file, "%s(type %s)", sep, insn_field_type_to_str (field->type)); - switch (field->type) - { - case insn_field_invalid: - ASSERT (0); - break; - case insn_field_int: - lf_printf (file, "%s(val 0x%lx)", sep, (long) field->val_int); - break; - case insn_field_reserved: - /* nothing output */ - break; - case insn_field_wild: - /* nothing output */ - break; - case insn_field_string: - lf_printf (file, "%s(val \"%s\")", sep, field->val_string); - break; - } - lf_printf (file, "%s(next 0x%lx)", sep, (long) field->next); - lf_printf (file, "%s(prev 0x%lx)", sep, (long) field->prev); - lf_indent (file, -1); - } - lf_printf (file, "%s", suffix); -} - -void -dump_insn_word_entry (lf *file, - char *prefix, - insn_word_entry *word, - char *suffix) -{ - lf_printf (file, "%s(insn_word_entry *) 0x%lx", prefix, (long) word); - if (word != NULL) - { - int i; - insn_field_entry *field; - lf_indent (file, +1); - lf_printf (file, "\n(first 0x%lx)", (long) word->first); - lf_printf (file, "\n(last 0x%lx)", (long) word->last); - lf_printf (file, "\n(bit"); - for (i = 0; i < options.insn_bit_size; i++) - lf_printf (file, "\n ((value %d) (mask %d) (field 0x%lx))", - word->bit[i]->value, word->bit[i]->mask, (long) word->bit[i]->field); - lf_printf (file, ")"); - for (field = word->first; field != NULL; field = field->next) - dump_insn_field (file, "\n(", field, ")"); - dump_filter (file, "\n(field_names ", word->field_names, ")"); - lf_printf (file, "\n(next 0x%lx)", (long) word->next); - lf_indent (file, -1); - } - lf_printf (file, "%s", suffix); -} - -static void -dump_insn_word_entries (lf *file, - char *prefix, - insn_word_entry *word, - char *suffix) -{ - lf_printf (file, "%s", prefix); - while (word != NULL) - { - dump_insn_word_entry (file, "\n(", word, ")"); - word = word->next; - } - lf_printf (file, "%s", suffix); -} - -static void -dump_insn_model_entry (lf *file, - char *prefix, - insn_model_entry *model, - char *suffix) -{ - lf_printf (file, "%s(insn_model_entry *) 0x%lx", prefix, (long) model); - if (model != NULL) - { - lf_indent (file, +1); - dump_line_ref (file, "\n(line ", model->line, ")"); - dump_filter (file, "\n(names ", model->names, ")"); - lf_printf (file, "\n(full_name \"%s\")", model->full_name); - lf_printf (file, "\n(unit_data \"%s\")", model->unit_data); - lf_printf (file, "\n(insn (insn_entry *) 0x%lx)", (long) model->insn); - lf_printf (file, "\n(next (insn_model_entry *) 0x%lx)", - (long) model->next); - lf_indent (file, -1); - } - lf_printf (file, "%s", suffix); -} - -static void -dump_insn_model_entries (lf *file, - char *prefix, - insn_model_entry *model, - char *suffix) -{ - lf_printf (file, "%s", prefix); - while (model != NULL) - { - dump_insn_model_entry (file, "\n", model, ""); - model = model->next; - } - lf_printf (file, "%s", suffix); -} - - -static void -dump_insn_mnemonic_entry (lf *file, - char *prefix, - insn_mnemonic_entry *mnemonic, - char *suffix) -{ - lf_printf (file, "%s(insn_mnemonic_entry *) 0x%lx", prefix, (long) mnemonic); - if (mnemonic != NULL) - { - lf_indent (file, +1); - dump_line_ref (file, "\n(line ", mnemonic->line, ")"); - lf_printf (file, "\n(format \"%s\")", mnemonic->format); - lf_printf (file, "\n(condition \"%s\")", mnemonic->condition); - lf_printf (file, "\n(insn (insn_entry *) 0x%lx)", - (long) mnemonic->insn); - lf_printf (file, "\n(next (insn_mnemonic_entry *) 0x%lx)", - (long) mnemonic->next); - lf_indent (file, -1); - } - lf_printf (file, "%s", suffix); -} - -static void -dump_insn_mnemonic_entries (lf *file, - char *prefix, - insn_mnemonic_entry *mnemonic, - char *suffix) -{ - lf_printf (file, "%s", prefix); - while (mnemonic != NULL) - { - dump_insn_mnemonic_entry (file, "\n", mnemonic, ""); - mnemonic = mnemonic->next; - } - lf_printf (file, "%s", suffix); -} - -void -dump_insn_entry (lf *file, - char *prefix, - insn_entry *entry, - char *suffix) -{ - lf_printf (file, "%s(insn_entry *) 0x%lx", prefix, (long) entry); - if (entry != NULL) - { - int i; - lf_indent (file, +1); - dump_line_ref (file, "\n(line ", entry->line, ")"); - dump_filter (file, "\n(flags ", entry->flags, ")"); - lf_printf (file, "\n(nr_words %d)", entry->nr_words); - dump_insn_word_entries (file, "\n(words ", entry->words, ")"); - lf_printf (file, "\n(word"); - for (i = 0; i < entry->nr_models; i++) - lf_printf (file, " 0x%lx", (long) entry->word[i]); - lf_printf (file, ")"); - dump_filter (file, "\n(field_names ", entry->field_names, ")"); - lf_printf (file, "\n(format_name \"%s\")", entry->format_name); - dump_filter (file, "\n(options ", entry->options, ")"); - lf_printf (file, "\n(name \"%s\")", entry->name); - lf_printf (file, "\n(nr_models %d)", entry->nr_models); - dump_insn_model_entries (file, "\n(models ", entry->models, ")"); - lf_printf (file, "\n(model"); - for (i = 0; i < entry->nr_models; i++) - lf_printf (file, " 0x%lx", (long) entry->model[i]); - lf_printf (file, ")"); - dump_filter (file, "\n(processors ", entry->processors, ")"); - dump_insn_mnemonic_entries (file, "\n(mnemonics ", entry->mnemonics, ")"); - dump_table_entry (file, "\n(code ", entry->code, ")"); - lf_printf (file, "\n(next 0x%lx)", (long) entry->next); - lf_indent (file, -1); - } - lf_printf (file, "%s", suffix); -} - -static void -dump_insn_entries (lf *file, - char *prefix, - insn_entry *entry, - char *suffix) -{ - lf_printf (file, "%s", prefix); - lf_indent (file, +1); - while (entry != NULL) - { - dump_insn_entry (file, "\n(", entry, ")"); - entry = entry->next; - } - lf_indent (file, -1); - lf_printf (file, "%s", suffix); -} - - - -void -dump_insn_table (lf *file, - char *prefix, - insn_table *isa, - char *suffix) -{ - lf_printf (file, "%s(insn_table *) 0x%lx", prefix, (long) isa); - if (isa != NULL) - { - lf_indent (file, +1); - dump_cache_entries (file, "\n(caches ", isa->caches, ")"); - lf_printf (file, "\n(nr_insns %d)", isa->nr_insns); - lf_printf (file, "\n(max_nr_words %d)", isa->max_nr_words); - dump_insn_entries (file, "\n(insns ", isa->insns, ")"); - dump_function_entries (file, "\n(functions ", isa->functions, ")"); - dump_insn_entry (file, "\n(illegal_insn ", isa->illegal_insn, ")"); - dump_model_table (file, "\n(model ", isa->model, ")"); - dump_filter (file, "\n(flags ", isa->flags, ")"); - dump_filter (file, "\n(options ", isa->options, ")"); - lf_indent (file, -1); - } - lf_printf (file, "%s", suffix); -} - -#ifdef MAIN - -igen_options options; - -int -main (int argc, char **argv) -{ - insn_table *isa; - lf *l; - - INIT_OPTIONS (options); - - if (argc == 3) - filter_parse (&options.flags_filter, argv[2]); - else if (argc != 2) - error (NULL, "Usage: insn <insn-table> [ <filter-in> ]\n"); - - isa = load_insn_table (argv[1], NULL); - l = lf_open ("-", "stdout", lf_omit_references, lf_is_text, "tmp-ld-insn"); - dump_insn_table (l, "(isa ", isa, ")\n"); - - return 0; -} - -#endif diff --git a/sim/igen/ld-insn.h b/sim/igen/ld-insn.h deleted file mode 100644 index ab361ff..0000000 --- a/sim/igen/ld-insn.h +++ /dev/null @@ -1,676 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1998 Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - - -typedef unsigned64 insn_uint; - - -/* Common among most entries: - - All non instruction records have the format: - - <...> ::= - ":" <record-name> - ":" <filter-flags> - ":" <filter-models> - ":" ... - - */ - -enum { - record_type_field = 1, - old_record_type_field = 2, - record_filter_flags_field = 2, - record_filter_models_field = 3, -}; - - -/* Include: - - Include the specified file. - - <include> ::= - ":" "include" - ":" <filter-flags> - ":" <filter-models> - ":" <filename> - <nl> - ; - - */ - -enum { - include_filename_field = 4, - nr_include_fields, -}; - - - -/* Options: - - Valid options are: hi-bit-nr (default 0), insn-bit-size (default - 32), insn-specifying-widths (default true), multi-sim (default false). - - <option> ::= - ":" "option" - ":" <filter-flags> - ":" <filter-models> - ":" <option-name> - ":" <option-value> - <nl> - ; - - <option-name> ::= - "insn-bit-size" - | "insn-specifying-widths" - | "hi-bit-nr" - | "flags-filter" - | "model-filter" - | "multi-sim" - | "format-names" - ; - - <option-value> ::= - "true" - | "false" - | <integer> - | <list> - ; - - - These update the global options structure. */ - - -enum { - option_name_field = 4, - option_value_field, - nr_option_fields, -}; - - - -/* Macro definitions: - - <insn-macro> ::= - <expression> - ":" ( "define" | "undef" ) - ":" <filter-flags> - ":" <filter-models> - ":" <name> - <nl> - ; - - Macro define/undef is currently unimplemented. */ - - -/* Functions and internal routins: - - NB: <filter-models> and <function-models> are the equivalent. - - - <function> ::= - ":" "function" - <function-spec> - ; - - <internal> ::= - ":" "internal" - <function-spec> - ; - - <format> ::= - ":" ( "%s" | ... ) - <function-spec> - ; - - <function-model> ::= - "*" [ <processor-list> ] - ":" - <nl> - ; - - <function-spec> ::= - ":" <filter-flags> - ":" <filter-models> - ":" <typedef> - ":" <name> - [ ":" <parameter-list> ] - <nl> - [ <function-model> ] - <code-block> - ; - - */ - -enum { - function_typedef_field = 4, - function_name_field, - function_param_field, - nr_function_fields, -}; - -enum { - function_model_name_field = 0, - nr_function_model_fields = 1, -}; - -enum { - old_function_typedef_field = 0, - old_function_type_field = 2, - old_function_name_field = 4, - old_function_param_field = 5, - nr_old_function_fields = 5, /* parameter-list is optional */ -}; - - -typedef struct _function_entry function_entry; -struct _function_entry { - line_ref *line; - filter *flags; - filter *models; - char *type; - char *name; - char *param; - table_entry *code; - int is_internal; - function_entry *next; -}; - - -typedef void function_entry_handler -(lf *file, - function_entry *function, - void *data); - -extern void function_entry_traverse -(lf *file, - function_entry *functions, - function_entry_handler *handler, - void *data); - - -/* cache-macro: - - <cache-macro> ::= - ":" <macro-type> - ":" <filter-flags> - ":" <filter-models> - ":" <typedef> - ":" <name> - ":" <field-name> { "," <field-name> } - ":" <expression> - <nl> - ; - - <cache-macro-type> ::= - "scratch" - | "cache" - | "compute" - ; - - <name> ::= - <ident> - | <ident> "_is_" <integer> - ; - - A cache entry is defined (for an instruction) when all - <field-name>s are present as named opcode fields within the - instructions format. - - SCRATCH and CACHE macros are defined during the cache fill stage - while CACHE and COMPUTE macros are defined during the instruction - execution stage. - - */ - -enum { - cache_typedef_field = 4, - cache_name_field, - cache_original_fields_field, - cache_expression_field, - nr_cache_fields, -}; - -typedef enum { - scratch_value, - cache_value, - compute_value, -} cache_entry_type; - -typedef struct _cache_entry cache_entry; -struct _cache_entry { - line_ref *line; - filter *flags; - filter *models; - cache_entry_type entry_type; - char *name; - filter *original_fields; - char *type; - char *expression; - cache_entry *next; -}; - - - -/* Model specs: - - <model-processor> ::= - ":" "model" - ":" <filter-flags> - ":" <filter-models> - ":" <processor> - ":" <BFD-processor> - ":" <function-unit-data> - <nl> - ; - - <model-macro> ::= - ":" "model-macro" - ":" <filter-flags> - ":" <filter-models> - <nl> - <code-block> - ; - - <model-data> ::= - ":" "model-data" - ":" <filter-flags> - ":" <filter-models> - <nl> - <code-block> - ; - - <model-static> ::= - ":" "model-static" - <function-spec> - ; - - <model-internal> ::= - ":" "model-internal" - <function-spec> - ; - - <model-function> ::= - ":" "model-internal" - <function-spec> - ; - - */ - -enum { - nr_model_macro_fields = 4, - nr_model_data_fields = 4, - nr_model_static_fields = nr_function_fields, - nr_model_internal_fields = nr_function_fields, - nr_model_function_fields = nr_function_fields, -}; - -typedef struct _model_data model_data; -struct _model_data { - line_ref *line; - filter *flags; - table_entry *entry; - table_entry *code; - model_data *next; -}; - -enum { - model_name_field = 4, - model_full_name_field, - model_unit_data_field, - nr_model_processor_fields, -}; - -typedef struct _model_entry model_entry; -struct _model_entry { - line_ref *line; - filter *flags; - char *name; - char *full_name; - char *unit_data; - model_entry *next; -}; - - -typedef struct _model_table model_table; -struct _model_table { - filter *processors; - int nr_models; - model_entry *models; - model_data *macros; - model_data *data; - function_entry *statics; - function_entry *internals; - function_entry *functions; -}; - - - -/* Instruction format: - - An instruction is composed of a sequence of N bit instruction - words. Each word broken into a number of instruction fields. - Those fields being constant (ex. an opcode) or variable (register - spec). - - <insn-word> ::= - <insn-field> { "," <insn-field> } ; - - <insn-word> ::= - ( <binary-value-implying-width> - | <field-name-implying-width> - | [ <start-or-width> "." ] <field> - ) - { "!" <excluded-value> } - ; - - <field> ::= - { "*" }+ - | { "/" }+ - | <field-name> - | "0x" <hex-value> - | "0b" <binary-value> - | "0" <octal-value> - | <integer-value> ; - -*/ - -typedef struct _insn_field_exclusion insn_field_exclusion; -struct _insn_field_exclusion { - char *string; - insn_uint value; - insn_field_exclusion *next; -}; - -typedef enum { - insn_field_int, - insn_field_reserved, - insn_field_wild, - insn_field_string, -} insn_field_type; - -typedef struct _insn_field_entry insn_field_entry; -struct _insn_field_entry { - int first; - int last; - int width; - int word_nr; - insn_field_type type; - insn_uint val_int; - char *pos_string; - char *val_string; - insn_field_exclusion *exclusions; - insn_field_entry *next; - insn_field_entry *prev; -}; - -typedef struct _insn_bit_entry insn_bit_entry; -struct _insn_bit_entry { - int value; - int mask; - insn_field_entry *field; -}; - - - - -typedef struct _insn_entry insn_entry; /* forward */ - -typedef struct _insn_word_entry insn_word_entry; -struct _insn_word_entry { - /* list of sub-fields making up the instruction. bit provides - faster access to the field data for bit N. */ - insn_field_entry *first; - insn_field_entry *last; - insn_bit_entry *bit[max_insn_bit_size]; - /* set of all the string fields */ - filter *field_names; - /* For multi-word instructions, The Nth word (from zero). */ - insn_word_entry *next; -}; - - - -/* Instruction model: - - Provides scheduling and other data for the code modeling the - instruction unit. - - <insn-model> ::= - "*" [ <processor-list> ] - ":" [ <function-unit-data> ] - <nl> - ; - - <processor-list> ::= - <processor> { "," <processor>" } - ; - - If the <processor-list> is empty, the model is made the default for - this instruction. - - */ - -enum { - insn_model_name_field = 0, - insn_model_unit_data_field = 1, - nr_insn_model_fields = 1, -}; - -typedef struct _insn_model_entry insn_model_entry; -struct _insn_model_entry { - line_ref *line; - insn_entry *insn; - filter *names; - char *full_name; - char *unit_data; - insn_model_entry *next; -}; - - - -/* Instruction mnemonic: - - List of assembler mnemonics for the instruction. - - <insn-mnenonic> ::= - "\"" <assembler-mnemonic> "\"" - [ ":" <conditional-expression> ] - <nl> - ; - - An assembler mnemonic string has the syntax: - - <assembler-mnemonic> ::= - ( [ "%" <format-spec> ] "<" <func> [ "#" <param-list> ] ">" - | "%%" - | <other-letter> - )+ - - Where, for instance, the text is translated into a printf format - and argument pair: - - "<FUNC>" : "%ld", (long) FUNC - "%<FUNC>..." : "%...", FUNC - "%s<FUNC>" : "%s", <%s>FUNC (SD_, FUNC) - "%s<FUNC#P1,P2>" : "%s", <%s>FUNC (SD_, P1,P2) - "%lx<FUNC>" : "%lx", (unsigned long) FUNC - "%08lx<FUNC>" : "%08lx", (unsigned long) FUNC - - And "<%s>FUNC" denotes a function declared using the "%s" record - specifier. - - - - ; - - */ - -enum { - insn_mnemonic_format_field = 0, - insn_mnemonic_condition_field = 1, - nr_insn_mnemonic_fields = 1, -}; - -typedef struct _insn_mnemonic_entry insn_mnemonic_entry; -struct _insn_mnemonic_entry { - line_ref *line; - insn_entry *insn; - char *format; - char *condition; - insn_mnemonic_entry *next; -}; - - - -/* Instruction: - - <insn> ::= - <insn-word> { "+" <insn-word> } - ":" <format-name> - ":" <filter-flags> - ":" <options> - ":" <name> - <nl> - { <insn-model> } - { <insn-mnemonic> } - <code-block> - - */ - -enum { - insn_word_field = 0, - insn_format_name_field = 1, - insn_filter_flags_field = 2, - insn_options_field = 3, - insn_name_field = 4, - nr_insn_fields = 5, -}; - - -/* typedef struct _insn_entry insn_entry; */ -struct _insn_entry { - line_ref *line; - filter *flags; /* filtered by options.filters */ - char *format_name; - filter *options; - char *name; - /* the words that make up the instruction. Word provides direct - access to word N. Pseudo instructions can be identified by - nr_words == 0. */ - int nr_words; - insn_word_entry *words; - insn_word_entry **word; - /* a set of all the fields from all the words */ - filter *field_names; - /* an array of processor models, missing models are NULL! */ - int nr_models; - insn_model_entry *models; - insn_model_entry **model; - filter *processors; - /* list of assember formats */ - int nr_mnemonics; - insn_mnemonic_entry *mnemonics; - /* code body */ - table_entry *code; - insn_entry *next; -}; - - -/* Instruction table: - - */ - -typedef struct _insn_table insn_table; -struct _insn_table { - cache_entry *caches; - int max_nr_words; - int nr_insns; - insn_entry *insns; - function_entry *functions; - insn_entry *illegal_insn; - model_table *model; - filter *options; - filter *flags; -}; - -extern insn_table *load_insn_table -(char *file_name, - cache_entry *cache); - -typedef void insn_entry_handler -(lf *file, - insn_table *isa, - insn_entry *insn, - void *data); - -extern void insn_table_traverse_insn -(lf *file, - insn_table *isa, - insn_entry_handler *handler, - void *data); - - - -/* Printing */ - -extern void print_insn_words -(lf *file, - insn_entry *insn); - - - -/* Debugging */ - -void -dump_insn_field -(lf *file, - char *prefix, - insn_field_entry *field, - char *suffix); - -void -dump_insn_word_entry -(lf *file, - char *prefix, - insn_word_entry *word, - char *suffix); - -void -dump_insn_entry -(lf *file, - char *prefix, - insn_entry *insn, - char *suffix); - -void -dump_cache_entries -(lf *file, - char *prefix, - cache_entry *entry, - char *suffix); - -void -dump_insn_table -(lf *file, - char *prefix, - insn_table *isa, - char *suffix); diff --git a/sim/igen/lf.c b/sim/igen/lf.c deleted file mode 100644 index a15b47b..0000000 --- a/sim/igen/lf.c +++ /dev/null @@ -1,429 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - -#include <stdio.h> -#include <stdarg.h> -#include <ctype.h> - -#include "config.h" -#include "misc.h" -#include "lf.h" - -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif - -#ifdef HAVE_STRING_H -#include <string.h> -#else -#ifdef HAVE_STRINGS_H -#include <strings.h> -#endif -#endif - -struct _lf { - FILE *stream; - int line_nr; /* nr complete lines written, curr line is line_nr+1 */ - int indent; - int line_blank; - const char *name; - const char *program; - lf_file_references references; - lf_file_type type; -}; - - -lf * -lf_open(char *name, - char *real_name, - lf_file_references references, - lf_file_type type, - const char *program) -{ - /* create a file object */ - lf *new_lf = ZALLOC(lf); - ASSERT(new_lf != NULL); - new_lf->references = references; - new_lf->type = type; - new_lf->name = (real_name == NULL ? name : real_name); - new_lf->program = program; - /* attach to stdout if pipe */ - if (!strcmp(name, "-")) { - new_lf->stream = stdout; - } - else { - /* create a new file */ - new_lf->stream = fopen(name, "w"); - if (new_lf->stream == NULL) { - perror(name); - exit(1); - } - } - return new_lf; -} - - -void -lf_close(lf *file) -{ - if (file->stream != stdout) { - if (fclose(file->stream)) { - perror("lf_close.fclose"); - exit(1); - } - free(file); - } -} - - -int -lf_putchr(lf *file, - const char chr) -{ - int nr = 0; - if (chr == '\n') { - file->line_nr += 1; - file->line_blank = 1; - } - else if (file->line_blank) { - int pad; - for (pad = file->indent; pad > 0; pad--) - putc(' ', file->stream); - nr += file->indent; - file->line_blank = 0; - } - putc(chr, file->stream); - nr += 1; - return nr; -} - -void -lf_indent_suppress(lf *file) -{ - file->line_blank = 0; -} - - -int -lf_putstr(lf *file, - const char *string) -{ - int nr = 0; - const char *chp; - if (string != NULL) { - for (chp = string; *chp != '\0'; chp++) { - nr += lf_putchr(file, *chp); - } - } - return nr; -} - -static int -do_lf_putunsigned(lf *file, - unsigned u) -{ - int nr = 0; - if (u > 0) { - nr += do_lf_putunsigned(file, u / 10); - nr += lf_putchr(file, (u % 10) + '0'); - } - return nr; -} - - -int -lf_putint(lf *file, - int decimal) -{ - int nr = 0; - if (decimal == 0) - nr += lf_putchr(file, '0'); - else if (decimal < 0) { - nr += lf_putchr(file, '-'); - nr += do_lf_putunsigned(file, -decimal); - } - else if (decimal > 0) { - nr += do_lf_putunsigned(file, decimal); - } - else - ASSERT(0); - return nr; -} - - -int -lf_printf(lf *file, - const char *fmt, - ...) -{ - int nr = 0; - char buf[1024]; - va_list ap; - - va_start(ap, fmt); - vsprintf(buf, fmt, ap); - /* FIXME - this is really stuffed but so is vsprintf() on a sun! */ - ASSERT(strlen(buf) > 0 && strlen(buf) < sizeof(buf)); - nr += lf_putstr(file, buf); - va_end(ap); - return nr; -} - - -int -lf_print__c_code(lf *file, - const char *code) -{ - int nr = 0; - const char *chp = code; - int in_bit_field = 0; - while (*chp != '\0') { - if (*chp == '\t') - chp++; - if (*chp == '#') - lf_indent_suppress(file); - while (*chp != '\0' && *chp != '\n') { - if (chp[0] == '{' && !isspace(chp[1])) { - in_bit_field = 1; - nr += lf_putchr(file, '_'); - } - else if (in_bit_field && chp[0] == ':') { - nr += lf_putchr(file, '_'); - } - else if (in_bit_field && *chp == '}') { - nr += lf_putchr(file, '_'); - in_bit_field = 0; - } - else { - nr += lf_putchr(file, *chp); - } - chp++; - } - if (in_bit_field) - error("bit field paren miss match some where\n"); - if (*chp == '\n') { - nr += lf_putchr(file, '\n'); - chp++; - } - } - nr += lf_putchr(file, '\n'); - return nr; -} - - -int -lf_print__external_reference(lf *file, - int line_nr, - const char *file_name) -{ - int nr = 0; - switch (file->references) { - case lf_include_references: - lf_indent_suppress(file); - nr += lf_putstr(file, "#line "); - nr += lf_putint(file, line_nr); - nr += lf_putstr(file, " \""); - nr += lf_putstr(file, file_name); - nr += lf_putstr(file, "\"\n"); - break; - case lf_omit_references: - break; - } - return nr; -} - -int -lf_print__internal_reference(lf *file) -{ - int nr = 0; - nr += lf_print__external_reference(file, file->line_nr+2, file->name); - /* line_nr == last_line, want to number from next */ - return nr; -} - -void -lf_indent(lf *file, int delta) -{ - file->indent += delta; -} - - -int -lf_print__gnu_copyleft(lf *file) -{ - int nr = 0; - switch (file->type) { - case lf_is_c: - case lf_is_h: - nr += lf_printf(file, "\ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - -- - - This file was generated by the program %s */ -", filter_filename(file->program)); - break; - default: - ASSERT(0); - break; - } - return nr; -} - - -int -lf_putbin(lf *file, int decimal, int width) -{ - int nr = 0; - int bit; - ASSERT(width > 0); - for (bit = 1 << (width-1); bit != 0; bit >>= 1) { - if (decimal & bit) - nr += lf_putchr(file, '1'); - else - nr += lf_putchr(file, '0'); - } - return nr; -} - -int -lf_print__this_file_is_empty(lf *file) -{ - int nr = 0; - switch (file->type) { - case lf_is_c: - case lf_is_h: - nr += lf_printf(file, - "/* This generated file (%s) is intentionally left blank */\n", - file->name); - break; - default: - ASSERT(0); - } - return nr; -} - -int -lf_print__ucase_filename(lf *file) -{ - int nr = 0; - const char *chp = file->name; - while (*chp != '\0') { - char ch = *chp; - if (islower(ch)) { - nr += lf_putchr(file, toupper(ch)); - } - else if (ch == '.') - nr += lf_putchr(file, '_'); - else - nr += lf_putchr(file, ch); - chp++; - } - return nr; -} - -int -lf_print__file_start(lf *file) -{ - int nr = 0; - switch (file->type) { - case lf_is_h: - case lf_is_c: - nr += lf_print__gnu_copyleft(file); - nr += lf_printf(file, "\n"); - nr += lf_printf(file, "#ifndef _"); - nr += lf_print__ucase_filename(file); - nr += lf_printf(file, "_\n"); - nr += lf_printf(file, "#define _"); - nr += lf_print__ucase_filename(file); - nr += lf_printf(file, "_\n"); - nr += lf_printf(file, "\n"); - break; - default: - ASSERT(0); - } - return nr; -} - - -int -lf_print__file_finish(lf *file) -{ - int nr = 0; - switch (file->type) { - case lf_is_h: - case lf_is_c: - nr += lf_printf(file, "\n"); - nr += lf_printf(file, "#endif /* _"); - nr += lf_print__ucase_filename(file); - nr += lf_printf(file, "_*/\n"); - break; - default: - ASSERT(0); - } - return nr; -} - - -int -lf_print_function_type(lf *file, - const char *type, - const char *prefix, - const char *trailing_space) -{ - int nr = 0; - nr += lf_printf(file, "%s\\\n(%s)", prefix, type); - if (trailing_space != NULL) - nr += lf_printf(file, "%s", trailing_space); - return nr; -} - -int -lf_print_function_type_function(lf *file, - print_function *print_type, - const char *prefix, - const char *trailing_space) -{ - int nr = 0; - nr += lf_printf(file, "%s\\\n(", prefix); - nr += print_type(file); - nr += lf_printf(file, ")"); - if (trailing_space != NULL) - nr += lf_printf(file, "%s", trailing_space); - return nr; -} - diff --git a/sim/igen/lf.h b/sim/igen/lf.h deleted file mode 100644 index 4d3dc15..0000000 --- a/sim/igen/lf.h +++ /dev/null @@ -1,137 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - -/* LF: Line Numbered Output Stream */ - -typedef struct _lf lf; - -typedef enum { - lf_is_h, - lf_is_c, - lf_is_text, -} lf_file_type; - - -typedef enum { - lf_include_references, - lf_omit_references, -} lf_file_references; - - -/* Open the file NAME for writing. REAL_NAME is to be included in any - line number outputs. The output of line number information can be - suppressed with LINE_NUMBERS */ - -extern lf *lf_open -(char *name, - char *real_name, - lf_file_references file_references, - lf_file_type type, - const char *program); - -extern void lf_close -(lf *file); - - -/* Basic output functions */ - -extern int lf_putchr -(lf *file, - const char ch); - -extern int lf_putstr -(lf *file, - const char *string); - -extern int lf_putint -(lf *file, - int decimal); - -extern int lf_putbin -(lf *file, - int decimal, - int width); - -extern int lf_printf -(lf *file, - const char *fmt, - ...) __attribute__((format(printf, 2, 3))); - - -/* Indentation control. - - lf_indent_suppress suppresses indentation on the next line (current - line if that has not yet been started) */ - -extern void lf_indent_suppress -(lf *file); - -extern void lf_indent -(lf *file, - int delta); - - -/* Print generic text: */ - - -extern int lf_print__gnu_copyleft -(lf *file); - -extern int lf_print__file_start -(lf *file); - -extern int lf_print__this_file_is_empty -(lf *file); - -extern int lf_print__file_finish -(lf *file); - -extern int lf_print__internal_reference -(lf *file); - -extern int lf_print__external_reference -(lf *file, - int line_nr, - const char *file_name); - -extern int lf_print__ucase_filename -(lf *file); - -/* Tab prefix is suppressed */ - -extern int lf_print__c_code -(lf *file, - const char *code); - -extern int lf_print_function_type -(lf *file, - const char *type, - const char *prefix, - const char *trailing_space); - -typedef int print_function(lf *file); - -extern int lf_print_function_type_function -(lf *file, - print_function *print_type, - const char *prefix, - const char *trailing_space); - diff --git a/sim/igen/misc.c b/sim/igen/misc.c deleted file mode 100644 index 660570c..0000000 --- a/sim/igen/misc.c +++ /dev/null @@ -1,226 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - -#include <stdio.h> -#include <stdarg.h> -#include <ctype.h> - -#include "config.h" -#include "misc.h" - -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif - -#ifdef HAVE_STRING_H -#include <string.h> -#else -#ifdef HAVE_STRINGS_H -#include <strings.h> -#endif -#endif - -void -error (char *msg, ...) -{ - va_list ap; - va_start(ap, msg); - vprintf(msg, ap); - va_end(ap); - exit (1); -} - -void * -zalloc(long size) -{ - void *memory = malloc(size); - if (memory == NULL) - error("zalloc failed\n"); - memset(memory, 0, size); - return memory; -} - -void -dumpf (int indent, char *msg, ...) -{ - va_list ap; - for (; indent > 0; indent--) - printf(" "); - va_start(ap, msg); - vprintf(msg, ap); - va_end(ap); -} - - -unsigned long long -a2i(const char *a) -{ - int neg = 0; - int base = 10; - unsigned long long num = 0; - int looping; - - while (isspace (*a)) - a++; - - if (*a == '-') { - neg = 1; - a++; - } - - if (*a == '0') { - if (a[1] == 'x' || a[1] == 'X') { - a += 2; - base = 16; - } else if (a[1] == 'b' || a[1] == 'b') { - a += 2; - base = 2; - } - else - base = 8; - } - - looping = 1; - while (looping) { - int ch = *a++; - - switch (base) { - default: - looping = 0; - break; - - case 2: - if (ch >= '0' && ch <= '1') { - num = (num * 2) + (ch - '0'); - } else { - looping = 0; - } - break; - - case 10: - if (ch >= '0' && ch <= '9') { - num = (num * 10) + (ch - '0'); - } else { - looping = 0; - } - break; - - case 8: - if (ch >= '0' && ch <= '7') { - num = (num * 8) + (ch - '0'); - } else { - looping = 0; - } - break; - - case 16: - if (ch >= '0' && ch <= '9') { - num = (num * 16) + (ch - '0'); - } else if (ch >= 'a' && ch <= 'f') { - num = (num * 16) + (ch - 'a' + 10); - } else if (ch >= 'A' && ch <= 'F') { - num = (num * 16) + (ch - 'A' + 10); - } else { - looping = 0; - } - break; - } - } - - if (neg) - num = - num; - - return num; -} - -unsigned -target_a2i(int ms_bit_nr, - const char *a) -{ - if (ms_bit_nr) - return (ms_bit_nr - a2i(a)); - else - return a2i(a); -} - -unsigned -i2target(int ms_bit_nr, - unsigned bit) -{ - if (ms_bit_nr) - return ms_bit_nr - bit; - else - return bit; -} - - -int -name2i(const char *names, - const name_map *map) -{ - const name_map *curr; - const char *name = names; - while (*name != '\0') { - /* find our name */ - char *end = strchr(name, ','); - char *next; - int len; - if (end == NULL) { - end = strchr(name, '\0'); - next = end; - } - else { - next = end + 1; - } - len = end - name; - /* look it up */ - curr = map; - while (curr->name != NULL) { - if (strncmp(curr->name, name, len) == 0 - && strlen(curr->name) == len) - return curr->i; - curr++; - } - name = next; - } - /* nothing found, possibly return a default */ - curr = map; - while (curr->name != NULL) - curr++; - if (curr->i >= 0) - return curr->i; - else - error("%s contains no valid names\n", names); - return 0; -} - -const char * -i2name(const int i, - const name_map *map) -{ - while (map->name != NULL) { - if (map->i == i) - return map->name; - map++; - } - error("map lookup failed for %d\n", i); - return NULL; -} diff --git a/sim/igen/misc.h b/sim/igen/misc.h deleted file mode 100644 index 60351b4..0000000 --- a/sim/igen/misc.h +++ /dev/null @@ -1,94 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - -/* Frustrating header junk */ - -#include "config.h" - -#include <stdio.h> -#include <ctype.h> - -#ifdef HAVE_STRING_H -#include <string.h> -#else -#ifdef HAVE_STRINGS_H -#include <strings.h> -#endif -#endif - -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif - -#if !defined (__attribute__) && (!defined(__GNUC__) || __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)) -#define __attribute__(arg) -#endif - - - -#include "filter_host.h" - -extern void error -(char *msg, ...); - -#define ASSERT(EXPRESSION) \ -do { \ - if (!(EXPRESSION)) { \ - error("%s:%d: assertion failed - %s\n", \ - filter_filename (__FILE__), __LINE__, #EXPRESSION); \ - } \ -} while (0) - -#define ZALLOC(TYPE) (TYPE*)zalloc(sizeof(TYPE)) - -extern void *zalloc -(long size); - -extern void dumpf -(int indent, char *msg, ...); - -extern unsigned target_a2i -(int ms_bit_nr, - const char *a); - -extern unsigned i2target -(int ms_bit_nr, - unsigned bit); - -extern unsigned long long a2i -(const char *a); - -/* Try looking for name in the map table (returning the corresponding - integer value). If that fails, try converting the name into an - integer */ - -typedef struct _name_map { - const char *name; - int i; -} name_map; - -extern int name2i -(const char *name, - const name_map *map); - -extern const char *i2name -(const int i, - const name_map *map); diff --git a/sim/igen/table.c b/sim/igen/table.c deleted file mode 100644 index 71be438..0000000 --- a/sim/igen/table.c +++ /dev/null @@ -1,635 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995,1997 Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - -#include <sys/types.h> -#include <sys/stat.h> -#include <stdio.h> -#include <fcntl.h> -#include <ctype.h> - -#include "config.h" -#include "misc.h" -#include "lf.h" -#include "table.h" - -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif - -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif - -typedef struct _open_table open_table; -struct _open_table { - size_t size; - char *buffer; - char *pos; - line_ref pseudo_line; - line_ref real_line; - open_table *parent; - table *root; -}; -struct _table { - open_table *current; -}; - - -static line_ref * -current_line (open_table *file) -{ - line_ref *entry = ZALLOC (line_ref); - *entry = file->pseudo_line; - return entry; -} - -static table_entry * -new_table_entry (open_table *file, - table_entry_type type) -{ - table_entry *entry; - entry = ZALLOC (table_entry); - entry->file = file->root; - entry->line = current_line (file); - entry->type = type; - return entry; -} - -static void -set_nr_table_entry_fields (table_entry *entry, - int nr_fields) -{ - entry->field = NZALLOC (char*, nr_fields + 1); - entry->nr_fields = nr_fields; -} - - -void -table_push (table *root, - line_ref *line, - table_include *includes, - const char *file_name) -{ - int fd; - struct stat stat_buf; - open_table *file; - table_include dummy; - table_include *include = &dummy; - - /* dummy up a search of this directory */ - dummy.next = includes; - dummy.dir = ""; - - /* create a file descriptor */ - file = ZALLOC (open_table); - if (file == NULL) - { - perror (file_name); - exit (1); - } - file->root = root; - file->parent = root->current; - root->current = file; - - while (1) - { - /* save the file name */ - char *dup_name = NZALLOC (char, strlen (include->dir) + strlen (file_name) + 2); - if (dup_name == NULL) - { - perror (file_name); - exit (1); - } - if (include->dir[0] != '\0') - { - strcat (dup_name, include->dir); - strcat (dup_name, "/"); - } - strcat (dup_name, file_name); - file->real_line.file_name = dup_name; - file->pseudo_line.file_name = dup_name; -printf ("Trying `%s'\n", dup_name); - /* open the file */ - fd = open (dup_name, O_RDONLY, 0); - if (fd >= 0) - break; - /* zfree (dup_name); */ - if (include->next == NULL) - { - if (line != NULL) - error (line, "Problem opening file `%s'\n", file_name); - perror (file_name); - exit (1); - } - include = include->next; - } - - - /* determine the size */ - if (fstat (fd, &stat_buf) < 0) { - perror (file_name); - exit (1); - } - file->size = stat_buf.st_size; - - /* allocate this much memory */ - file->buffer = (char*) zalloc (file->size + 1); - if (file->buffer == NULL) - { - perror (file_name); - exit (1); - } - file->pos = file->buffer; - - /* read it all in */ - if (read (fd, file->buffer, file->size) < file->size) { - perror (file_name); - exit (1); - } - file->buffer[file->size] = '\0'; - - /* set the initial line numbering */ - file->real_line.line_nr = 1; /* specifies current line */ - file->pseudo_line.line_nr = 1; /* specifies current line */ - - /* done */ - close (fd); -} - -table * -table_open (const char *file_name) -{ - table *root; - - /* create a file descriptor */ - root = ZALLOC (table); - if (root == NULL) - { - perror (file_name); - exit (1); - } - - table_push (root, NULL, NULL, file_name); - return root; -} - -char * -skip_spaces (char *chp) -{ - while (1) - { - if (*chp == '\0' - || *chp == '\n' - || !isspace (*chp)) - return chp; - chp++; - } -} - - -char * -back_spaces (char *start, char *chp) -{ - while (1) - { - if (chp <= start - || !isspace (chp[-1])) - return chp; - chp--; - } -} - -char * -skip_digits (char *chp) -{ - while (1) - { - if (*chp == '\0' - || *chp == '\n' - || !isdigit (*chp)) - return chp; - chp++; - } -} - -char * -skip_to_separator (char *chp, - char *separators) -{ - while (1) - { - char *sep = separators; - while (1) - { - if (*chp == *sep) - return chp; - if (*sep == '\0') - break; - sep++; - } - chp++; - } -} - -static char * -skip_to_null (char *chp) -{ - return skip_to_separator (chp, ""); -} - - -static char * -skip_to_nl (char * chp) -{ - return skip_to_separator (chp, "\n"); -} - - -static void -next_line (open_table *file) -{ - file->pos = skip_to_nl (file->pos); - if (*file->pos == '0') - error (&file->pseudo_line, "Missing <nl> at end of line\n"); - *file->pos = '\0'; - file->pos += 1; - file->real_line.line_nr += 1; - file->pseudo_line.line_nr += 1; -} - - -extern table_entry * -table_read (table *root) -{ - open_table *file = root->current; - table_entry *entry = NULL; - while(1) - { - - /* end-of-file? */ - while (*file->pos == '\0') - { - if (file->parent != NULL) - { - file = file->parent; - root->current = file; - } - else - return NULL; - } - - /* code_block? */ - if (*file->pos == '{') - { - char *chp; - next_line (file); /* discard leading brace */ - entry = new_table_entry (file, table_code_entry); - chp = file->pos; - /* determine how many lines are involved - look for <nl> "}" */ - { - int nr_lines = 0; - while (*file->pos != '}') - { - next_line (file); - nr_lines++; - } - set_nr_table_entry_fields (entry, nr_lines); - } - /* now enter each line */ - { - int line_nr; - for (line_nr = 0; line_nr < entry->nr_fields; line_nr++) - { - if (strncmp (chp, " ", 2) == 0) - entry->field[line_nr] = chp + 2; - else - entry->field[line_nr] = chp; - chp = skip_to_null (chp) + 1; - } - /* skip trailing brace */ - ASSERT (*file->pos == '}'); - next_line (file); - } - break; - } - - /* tab block? */ - if (*file->pos == '\t') - { - char *chp = file->pos; - entry = new_table_entry (file, table_code_entry); - /* determine how many lines are involved - look for <nl> !<tab> */ - { - int nr_lines = 0; - int nr_blank_lines = 0; - while (1) - { - if (*file->pos == '\t') - { - nr_lines = nr_lines + nr_blank_lines + 1; - nr_blank_lines = 0; - next_line (file); - } - else - { - file->pos = skip_spaces (file->pos); - if (*file->pos != '\n') - break; - nr_blank_lines++; - next_line (file); - } - } - set_nr_table_entry_fields (entry, nr_lines); - } - /* now enter each line */ - { - int line_nr; - for (line_nr = 0; line_nr < entry->nr_fields; line_nr++) - { - if (*chp == '\t') - entry->field[line_nr] = chp + 1; - else - entry->field[line_nr] = ""; /* blank */ - chp = skip_to_null (chp) + 1; - } - } - break; - } - - /* cpp directive? */ - if (file->pos[0] == '#') - { - char *chp = skip_spaces (file->pos + 1); - - /* cpp line-nr directive - # <line-nr> "<file>" */ - if (isdigit (*chp) - && *skip_digits (chp) == ' ' - && *skip_spaces (skip_digits (chp)) == '"') - { - int line_nr; - char *file_name; - file->pos = chp; - /* parse the number */ - line_nr = atoi(file->pos) - 1; - /* skip to the file name */ - while (file->pos[0] != '0' - && file->pos[0] != '"' - && file->pos[0] != '\0') - file->pos++; - if (file->pos[0] != '"') - error (&file->real_line, "Missing opening quote in cpp directive\n"); - /* parse the file name */ - file->pos++; - file_name = file->pos; - while (file->pos[0] != '"' - && file->pos[0] != '\0') - file->pos++; - if (file->pos[0] != '"') - error (&file->real_line, "Missing closing quote in cpp directive\n"); - file->pos[0] = '\0'; - file->pos++; - file->pos = skip_to_nl (file->pos); - if (file->pos[0] != '\n') - error (&file->real_line, "Missing newline in cpp directive\n"); - file->pseudo_line.file_name = file_name; - file->pseudo_line.line_nr = line_nr; - next_line (file); - continue; - } - - /* #define and #undef - not implemented yet */ - - /* Old style # comment */ - next_line (file); - continue; - } - - /* blank line or end-of-file? */ - file->pos = skip_spaces (file->pos); - if (*file->pos == '\0') - error (&file->pseudo_line, "Missing <nl> at end of file\n"); - if (*file->pos == '\n') - { - next_line (file); - continue; - } - - /* comment - leading // or # - skip */ - if ((file->pos[0] == '/' && file->pos[1] == '/') - || (file->pos[0] == '#')) - { - next_line (file); - continue; - } - - /* colon field */ - { - char *chp = file->pos; - entry = new_table_entry (file, table_colon_entry); - next_line (file); - /* figure out how many fields */ - { - int nr_fields = 1; - char *tmpch = chp; - while (1) - { - tmpch = skip_to_separator (tmpch, "\\:"); - if (*tmpch == '\\') - { - /* eat the escaped character */ - char *cp = tmpch; - while (cp[1] != '\0') - { - cp[0] = cp[1]; - cp++; - } - cp[0] = '\0'; - tmpch++; - } - else if (*tmpch != ':') - break; - else - { - *tmpch = '\0'; - tmpch++; - nr_fields++; - } - } - set_nr_table_entry_fields (entry, nr_fields); - } - /* now parse them */ - { - int field_nr; - for (field_nr = 0; field_nr < entry->nr_fields; field_nr++) - { - chp = skip_spaces (chp); - entry->field[field_nr] = chp; - chp = skip_to_null (chp); - *back_spaces (entry->field[field_nr], chp) = '\0'; - chp++; - } - } - break; - } - - } - - ASSERT (entry == NULL || entry->field[entry->nr_fields] == NULL); - return entry; -} - -extern void -table_print_code (lf *file, - table_entry *entry) -{ - int field_nr; - int nr = 0; - for (field_nr = 0; - field_nr < entry->nr_fields; - field_nr++) - { - char *chp = entry->field[field_nr]; - int in_bit_field = 0; - if (*chp == '#') - lf_indent_suppress(file); - while (*chp != '\0') - { - if (chp[0] == '{' - && !isspace(chp[1]) - && chp[1] != '\0') - { - in_bit_field = 1; - nr += lf_putchr(file, '_'); - } - else if (in_bit_field && chp[0] == ':') - { - nr += lf_putchr(file, '_'); - } - else if (in_bit_field && *chp == '}') - { - nr += lf_putchr(file, '_'); - in_bit_field = 0; - } - else - { - nr += lf_putchr(file, *chp); - } - chp++; - } - if (in_bit_field) - { - line_ref line = *entry->line; - line.line_nr += field_nr; - error (&line, "Bit field brace miss match\n"); - } - nr += lf_putchr(file, '\n'); - } -} - - - -void -dump_line_ref (lf *file, - char *prefix, - const line_ref *line, - char *suffix) -{ - lf_printf (file, "%s(line_ref*) 0x%lx", prefix, (long) line); - if (line != NULL) - { - lf_indent (file, +1); - lf_printf (file, "\n(line_nr %d)", line->line_nr); - lf_printf (file, "\n(file_name %s)", line->file_name); - lf_indent (file, -1); - } - lf_printf (file, "%s", suffix); -} - - -static const char * -table_entry_type_to_str (table_entry_type type) -{ - switch (type) - { - case table_code_entry: return "code-entry"; - case table_colon_entry: return "colon-entry"; - } - return "*invalid*"; -} - -void -dump_table_entry(lf *file, - char *prefix, - const table_entry *entry, - char *suffix) -{ - lf_printf (file, "%s(table_entry*) 0x%lx", prefix, (long) entry); - if (entry != NULL) - { - int field; - lf_indent (file, +1); - dump_line_ref (file, "\n(line ", entry->line, ")"); - lf_printf (file, "\n(type %s)", table_entry_type_to_str (entry->type)); - lf_printf (file, "\n(nr_fields %d)", entry->nr_fields); - lf_printf (file, "\n(fields"); - lf_indent (file, +1); - for (field = 0; field < entry->nr_fields; field++) - lf_printf (file, "\n\"%s\"", entry->field[field]); - lf_indent (file, -1); - lf_printf (file, ")"); - lf_indent (file, -1); - } - lf_printf (file, "%s", suffix); -} - - -#ifdef MAIN -int -main(int argc, char **argv) -{ - table *t; - table_entry *entry; - lf *l; - int line_nr; - - if (argc != 2) - { - printf("Usage: table <file>\n"); - exit (1); - } - - t = table_open (argv[1]); - l = lf_open ("-", "stdout", lf_omit_references, lf_is_text, "tmp-table"); - - line_nr = 0; - do - { - char line[10]; - entry = table_read (t); - line_nr ++; - sprintf (line, "(%d ", line_nr); - dump_table_entry (l, line, entry, ")\n"); - } - while (entry != NULL); - - return 0; -} -#endif diff --git a/sim/igen/table.h b/sim/igen/table.h deleted file mode 100644 index 6b3f6e7..0000000 --- a/sim/igen/table.h +++ /dev/null @@ -1,70 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - -/* load a table into memory */ - -typedef struct _table table; - -typedef struct _table_model_entry table_model_entry; -struct _table_model_entry { - table_model_entry *next; - int line_nr; - int nr_fields; - char *fields[0]; /* User defined */ -}; - -typedef struct _table_assembler_entry table_assembler_entry; -struct _table_assembler_entry { - const char *format; - const char *condition; - const char *file_name; - int line_nr; - table_assembler_entry *next; -}; - -typedef struct _table_entry table_entry; -struct _table_entry { - int line_nr; - int nr_fields; - char *file_name; - table_assembler_entry *assembler; - table_model_entry *model_first; - table_model_entry *model_last; - char *annex; - char *fields[0]; /* User defined */ -}; - - -extern table *table_open -(const char *file_name, - int max_nr_fields, - int max_nr_model_fields); - -extern table_entry *table_entry_read -(table *file); - -extern void dump_table_entry -(table_entry *entry, - int indent); - -extern void table_entry_print_cpp_line_nr -(lf *file, - table_entry *entry); |