Initial creation of sourceware repository

1 files changed, 0 insertions, 490 deletions

diff --git a/sim/ppc/igen.c b/sim/ppc/igen.c
deleted file mode 100644
index 4b9ae36..0000000
--- a/sim/ppc/igen.c
+++ /dev/null
@@ -1,490 +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 <getopt.h>
-
-#include "misc.h"
-#include "lf.h"
-#include "table.h"
-#include "config.h"
-
-#include "filter.h"
-
-#include "ld-decode.h"
-#include "ld-cache.h"
-#include "ld-insn.h"
-
-#include "igen.h"
-
-#include "gen-model.h"
-#include "gen-icache.h"
-#include "gen-itable.h"
-#include "gen-idecode.h"
-#include "gen-semantics.h"
-#include "gen-support.h"
-
-int hi_bit_nr;
-int insn_bit_size = max_insn_bit_size;
-
-igen_code code = generate_calls;
-
-int generate_expanded_instructions;
-int icache_size = 1024;
-int generate_smp;
-
-/****************************************************************/
-
-static int
-print_insn_bits(lf *file, insn_bits *bits)
-{
-  int nr = 0;
-  if (bits == NULL)
-    return nr;
-  nr += print_insn_bits(file, bits->last);
-  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);
-  }
-  return nr;
-}
-
-extern int
-print_function_name(lf *file,
-		    const char *basename,
-		    insn_bits *expanded_bits,
-		    lf_function_name_prefixes prefix)
-{
-  int nr = 0;
-  /* the prefix */
-  switch (prefix) {
-  case function_name_prefix_semantics:
-    nr += lf_putstr(file, "semantic_");
-    break;
-  case function_name_prefix_idecode:
-    nr += lf_printf(file, "idecode_");
-    break;
-  case function_name_prefix_itable:
-    nr += lf_putstr(file, "itable_");
-    break;
-  case function_name_prefix_icache:
-    nr += lf_putstr(file, "icache_");
-    break;
-  default:
-    break;
-  }
-
-  /* the function name */
-  {
-    const char *pos;
-    for (pos = basename;
-	 *pos != '\0';
-	 pos++) {
-      switch (*pos) {
-      case '/':
-      case '-':
-	break;
-      case ' ':
-	nr += lf_putchr(file, '_');
-	break;
-      default:
-	nr += lf_putchr(file, *pos);
-	break;
-      }
-    }
-  }
-
-  /* the suffix */
-  if (generate_expanded_instructions)
-    nr += print_insn_bits(file, expanded_bits);
-
-  return nr;
-}
-
-
-void
-print_my_defines(lf *file,
-		 insn_bits *expanded_bits,
-		 table_entry *file_entry)
-{
-  /* #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,
-                      file_entry->fields[insn_name],
-                      NULL,
-                      function_name_prefix_itable);
-  lf_printf(file, "\n");
-  /* #define MY_PREFIX xxxxxx */
-  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,
-		      file_entry->fields[insn_name],
-		      expanded_bits,
-		      function_name_prefix_none);
-  lf_printf(file, "\n");
-}
-
-
-void
-print_itrace(lf *file,
-	     table_entry *file_entry,
-	     int idecode)
-{
-  lf_print__external_reference(file, file_entry->line_nr, file_entry->file_name);
-  lf_printf(file, "ITRACE(trace_%s, (\"%s %s\\n\"));\n",
-	    (idecode ? "idecode" : "semantics"),
-	    (idecode ? "idecode" : "semantics"),
-	    file_entry->fields[insn_name]);
-  lf_print__internal_reference(file);
-}
-
-
-/****************************************************************/
-
-
-static void
-gen_semantics_h(insn_table *table,
-		lf *file,
-		igen_code generate)
-{
-  lf_printf(file, "typedef %s idecode_semantic\n(%s);\n",
-	    SEMANTIC_FUNCTION_TYPE,
-	    SEMANTIC_FUNCTION_FORMAL);
-  lf_printf(file, "\n");
-  if ((code & generate_calls)) {
-    if (generate_expanded_instructions)
-      insn_table_traverse_tree(table,
-			       file, NULL,
-			       1,
-			       NULL, /* start */
-			       print_semantic_declaration, /* leaf */
-			       NULL, /* end */
-			       NULL); /* padding */
-    else
-      insn_table_traverse_insn(table,
-			       file, NULL,
-			       print_semantic_declaration);
-    
-  }
-  else {
-    lf_print__this_file_is_empty(file);
-  }
-}
-
-
-static void
-gen_semantics_c(insn_table *table,
-		cache_table *cache_rules,
-		lf *file,
-		igen_code generate)
-{
-  if ((code & generate_calls)) {
-    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 \"support.h\"\n");
-    lf_printf(file, "\n");
-    if (generate_expanded_instructions)
-      insn_table_traverse_tree(table,
-			       file, cache_rules,
-			       1,
-			       NULL, /* start */
-			       print_semantic_definition, /* leaf */
-			       NULL, /* end */
-			       NULL); /* padding */
-    else
-      insn_table_traverse_insn(table,
-			       file, cache_rules,
-			       print_semantic_definition);
-    
-  }
-  else {
-    lf_print__this_file_is_empty(file);
-  }
-}
-
-
-/****************************************************************/
-
-
-static void
-gen_icache_h(insn_table *table,
-	     lf *file,
-	     igen_code generate)
-{
-  lf_printf(file, "typedef %s idecode_icache\n(%s);\n",
-	    ICACHE_FUNCTION_TYPE,
-	    ICACHE_FUNCTION_FORMAL);
-  lf_printf(file, "\n");
-  if ((code & generate_calls)
-      && (code & generate_with_icache)) {
-    insn_table_traverse_function(table,
-				 file, NULL,
-				 print_icache_internal_function_declaration);
-    if (generate_expanded_instructions)
-      insn_table_traverse_tree(table,
-			       file, NULL,
-			       1,
-			       NULL, /* start */
-			       print_icache_declaration, /* leaf */
-			       NULL, /* end */
-			       NULL); /* padding */
-    else
-      insn_table_traverse_insn(table,
-			       file, NULL,
-			       print_icache_declaration);
-    
-  }
-  else {
-    lf_print__this_file_is_empty(file);
-  }
-}
-
-static void
-gen_icache_c(insn_table *table,
-	     cache_table *cache_rules,
-	     lf *file,
-	     igen_code generate)
-{
-  /* output `internal' invalid/floating-point unavailable functions
-     where needed */
-  if ((code & generate_calls)
-      && (code & generate_with_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");
-    insn_table_traverse_function(table,
-				 file, NULL,
-				 print_icache_internal_function_definition);
-    lf_printf(file, "\n");
-    if (generate_expanded_instructions)
-      insn_table_traverse_tree(table,
-			       file, cache_rules,
-			       1,
-			       NULL, /* start */
-			       print_icache_definition, /* leaf */
-			       NULL, /* end */
-			       NULL); /* padding */
-    else
-      insn_table_traverse_insn(table,
-			       file, cache_rules,
-			       print_icache_definition);
-    
-  }
-  else {
-    lf_print__this_file_is_empty(file);
-  }
-}
-
-
-/****************************************************************/
-
-
-int
-main(int argc,
-     char **argv,
-     char **envp)
-{
-  cache_table *cache_rules = NULL;
-  lf_file_references file_references = lf_include_references;
-  decode_table *decode_rules = NULL;
-  filter *filters = NULL;
-  insn_table *instructions = NULL;
-  char *real_file_name = NULL;
-  int is_header = 0;
-  int ch;
-
-  if (argc == 1) {
-    printf("Usage:\n");
-    printf("  igen <config-opts> ... <input-opts>... <output-opts>...\n");
-    printf("Config options:\n");
-    printf("  -F <filter-out-flag>  eg -F 64 to skip 64bit instructions\n");
-    printf("  -E                    Expand (duplicate) semantic functions\n");
-    printf("  -I <icache-size>      Generate cracking cache version\n");
-    printf("  -C                    Include semantics in cache functions\n");
-    printf("  -S                    Include insn (instruction) in icache\n");
-    printf("  -R                    Use defines to reference cache vars\n");
-    printf("  -L                    Supress line numbering in output files\n");
-    printf("  -B <bit-size>         Set the number of bits in an instruction\n");
-    printf("  -H <high-bit>         Set the nr of the high (msb bit)\n");
-    printf("  -N <nr-cpus>          Specify the max number of cpus the simulation will support\n");
-    printf("  -J                    Use jumps instead of function calls\n");
-    printf("\n");
-    printf("Input options (ucase version also dumps loaded table):\n");
-    printf("  -o <opcode-rules>\n");
-    printf("  -k <cache-rules>\n");
-    printf("  -i <instruction-table>\n");
-    printf("\n");
-    printf("Output options:\n");
-    printf("  -n <real-name>        Specify the real name of for the next output file\n"); 
-    printf("  -h 		    Generate header file\n");
-    printf("  -c <output-file>      output icache\n");
-    printf("  -d <output-file>      output idecode\n");
-    printf("  -m <output-file>      output model\n");
-    printf("  -s <output-file>      output schematic\n");
-    printf("  -t <output-file>      output itable\n");
-    printf("  -f <output-file>      output support functions\n");
-  }
-
-  while ((ch = getopt(argc, argv,
-		      "F:EI:RSLJCB:H:N:o:k:i:n:hc:d:m:s:t:f:"))
-	 != -1) {
-    fprintf(stderr, "\t-%c %s\n", ch, (optarg ? optarg : ""));
-    switch(ch) {
-    case 'C':
-      code |= generate_with_icache;
-      code |= generate_with_semantic_icache;
-      break;
-    case 'S':
-      code |= generate_with_icache;
-      code |= generate_with_insn_in_icache;
-      break;
-    case 'L':
-      file_references = lf_omit_references;
-      break;
-    case 'E':
-      generate_expanded_instructions = 1;
-      break;
-    case 'I':
-      icache_size = a2i(optarg);
-      code |= generate_with_icache;
-      break;
-    case 'N':
-      generate_smp = a2i(optarg);
-      break;
-    case 'R':
-      code |= generate_with_direct_access;
-      break;
-    case 'B':
-      insn_bit_size = a2i(optarg);
-      ASSERT(insn_bit_size > 0 && insn_bit_size <= max_insn_bit_size
-	     && (hi_bit_nr == insn_bit_size-1 || hi_bit_nr == 0));
-      break;
-    case 'H':
-      hi_bit_nr = a2i(optarg);
-      ASSERT(hi_bit_nr == insn_bit_size-1 || hi_bit_nr == 0);
-      break;
-    case 'F':
-      filters = new_filter(optarg, filters);
-      break;
-    case 'J':
-      code &= ~generate_calls;
-      code |= generate_jumps;
-      break;
-    case 'i':
-      if (decode_rules == NULL || cache_rules == NULL) {
-	fprintf(stderr, "Must specify decode and cache tables\n");
-	exit (1);
-      }
-      instructions = load_insn_table(optarg, decode_rules, filters);
-      fprintf(stderr, "\texpanding ...\n");
-      insn_table_expand_insns(instructions);
-      break;
-    case 'o':
-      decode_rules = load_decode_table(optarg, hi_bit_nr);
-      break;
-    case 'k':
-      cache_rules = load_cache_table(optarg, hi_bit_nr);
-      break;
-    case 'n':
-      real_file_name = strdup(optarg);
-      break;
-    case 'h':
-      is_header = 1;
-      break;
-    case 's':
-    case 'd':
-    case 'm':
-    case 't':
-    case 'f':
-    case 'c':
-      {
-	lf *file = lf_open(optarg, real_file_name, file_references,
-			   (is_header ? lf_is_h : lf_is_c),
-			   argv[0]);
-	lf_print__file_start(file);
-	ASSERT(instructions != NULL);
-	switch (ch) {
-	case 's':
-	  if(is_header)
-	    gen_semantics_h(instructions, file, code);
-	  else
-	    gen_semantics_c(instructions, cache_rules, file, code);
-	  break;
-	case 'd':
-	  if (is_header)
-	    gen_idecode_h(file, instructions, cache_rules);
-	  else
-	    gen_idecode_c(file, instructions, cache_rules);
-	  break;
-	case 'm':
-	  if (is_header)
-	    gen_model_h(instructions, file);
-	  else
-	    gen_model_c(instructions, file);
-	  break;
-	case 't':
-	  if (is_header)
-	    gen_itable_h(instructions, file);
-	  else
-	    gen_itable_c(instructions, file);
-	  break;
-	case 'f':
-	  if (is_header)
-	    gen_support_h(instructions, file);
-	  else
-	    gen_support_c(instructions, file);
-	  break;
-	case 'c':
-	  if (is_header)
-	    gen_icache_h(instructions, file, code);
-	  else
-	    gen_icache_c(instructions, cache_rules, file, code);
-	  break;
-	}
-	lf_print__file_finish(file);
-	lf_close(file);
-	is_header = 0;
-      }
-      real_file_name = NULL;
-      break;
-    default:
-      error("unknown option\n");
-    }
-  }
-  return 0;
-}