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Diffstat (limited to 'sim/ppc/igen.c')
| -rw-r--r-- | sim/ppc/igen.c | 513 |
1 files changed, 0 insertions, 513 deletions
diff --git a/sim/ppc/igen.c b/sim/ppc/igen.c deleted file mode 100644 index 94dcf5130dc..00000000000 --- a/sim/ppc/igen.c +++ /dev/null @@ -1,513 +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 <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)) { - lf_printf(file, "extern int option_mpc860c0;\n"); - lf_printf(file, "#define PAGE_SIZE 0x1000\n"); - lf_printf(file, "\n"); - lf_printf(file, "EXTERN_SEMANTICS(void)\n"); - lf_printf(file, "semantic_init(device* root);\n"); - lf_printf(file, "\n"); - 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"); - lf_printf(file, "int option_mpc860c0 = 0;\n"); - lf_printf(file, "\n"); - lf_printf(file, "EXTERN_SEMANTICS(void)\n"); - lf_printf(file, "semantic_init(device* root)\n"); - lf_printf(file, "{\n"); - lf_printf(file, " option_mpc860c0 = 0;\n"); - lf_printf(file, " if (tree_find_property(root, \"/options/mpc860c0\"))\n"); - lf_printf(file, " option_mpc860c0 = tree_find_integer_property(root, \"/options/mpc860c0\");\n"); - lf_printf(file, " option_mpc860c0 *= 4; /* convert word count to byte count */\n"); - lf_printf(file, "}\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(" -T <mechanism> Override the mechanism used to decode an instruction\n"); - printf(" using <mechanism> instead of what was specified in the\n"); - printf(" decode-rules input file\n"); - printf("\n"); - printf("Input options (ucase version also dumps loaded table):\n"); - printf(" -o <decode-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:RSLJT:CB: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 'T': - force_decode_gen_type(optarg); - 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; -} |