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Diffstat (limited to 'sim/igen/igen.h')
| -rw-r--r-- | sim/igen/igen.h | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/sim/igen/igen.h b/sim/igen/igen.h deleted file mode 100644 index 1ca456e..0000000 --- a/sim/igen/igen.h +++ /dev/null @@ -1,253 +0,0 @@ -/* The IGEN simulator generator for GDB, the GNU Debugger. - - Copyright 2002 Free Software Foundation, Inc. - - Contributed by Andrew Cagney. - - This file is part of GDB. - - 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; - - /* Issue warning about unimplemented instructions */ - int unimplemented; - -}; - - - -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) |