1995-11-01 20:32:38 +01:00
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/* This file is part of the program psim.
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Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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1996-07-23 17:42:42 +02:00
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1995-11-01 20:32:38 +01:00
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#include <getopt.h>
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#include "misc.h"
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#include "lf.h"
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1996-07-23 17:42:42 +02:00
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#include "table.h"
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#include "config.h"
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1995-11-01 20:32:38 +01:00
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1996-07-23 17:42:42 +02:00
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#include "filter.h"
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1995-11-01 20:32:38 +01:00
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1996-07-23 17:42:42 +02:00
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#include "ld-decode.h"
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#include "ld-cache.h"
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#include "ld-insn.h"
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1995-11-01 20:32:38 +01:00
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1996-07-23 17:42:42 +02:00
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#include "igen.h"
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1995-11-01 20:32:38 +01:00
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1996-07-23 17:42:42 +02:00
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#include "gen-model.h"
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#include "gen-icache.h"
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#include "gen-itable.h"
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#include "gen-idecode.h"
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#include "gen-semantics.h"
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#include "gen-support.h"
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1995-11-01 20:32:38 +01:00
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1996-07-23 17:42:42 +02:00
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int hi_bit_nr;
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int insn_bit_size = max_insn_bit_size;
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1995-11-01 20:32:38 +01:00
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1996-07-23 17:42:42 +02:00
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igen_code code = generate_calls;
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1995-11-01 20:32:38 +01:00
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1996-07-23 17:42:42 +02:00
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int generate_expanded_instructions;
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1997-01-27 22:34:50 +01:00
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int icache_size = 1024;
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1996-07-23 17:42:42 +02:00
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int generate_smp;
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1995-11-01 20:32:38 +01:00
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/****************************************************************/
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1996-07-23 17:42:42 +02:00
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static int
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print_insn_bits(lf *file, insn_bits *bits)
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1995-11-01 20:32:38 +01:00
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{
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1996-07-23 17:42:42 +02:00
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int nr = 0;
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if (bits == NULL)
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return nr;
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nr += print_insn_bits(file, bits->last);
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nr += lf_putchr(file, '_');
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nr += lf_putstr(file, bits->field->val_string);
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if (bits->opcode->is_boolean && bits->value == 0)
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nr += lf_putint(file, bits->opcode->boolean_constant);
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else if (!bits->opcode->is_boolean) {
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if (bits->opcode->last < bits->field->last)
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nr += lf_putint(file, bits->value << (bits->field->last - bits->opcode->last));
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1995-11-01 20:32:38 +01:00
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else
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1996-07-23 17:42:42 +02:00
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nr += lf_putint(file, bits->value);
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1995-11-01 20:32:38 +01:00
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}
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1996-07-23 17:42:42 +02:00
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return nr;
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}
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1995-11-01 20:32:38 +01:00
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1996-07-23 17:42:42 +02:00
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extern int
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print_function_name(lf *file,
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const char *basename,
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insn_bits *expanded_bits,
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lf_function_name_prefixes prefix)
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{
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int nr = 0;
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/* the prefix */
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switch (prefix) {
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case function_name_prefix_semantics:
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nr += lf_putstr(file, "semantic_");
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break;
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case function_name_prefix_idecode:
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nr += lf_printf(file, "idecode_");
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break;
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case function_name_prefix_itable:
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nr += lf_putstr(file, "itable_");
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break;
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case function_name_prefix_icache:
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nr += lf_putstr(file, "icache_");
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break;
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default:
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break;
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1995-11-01 20:32:38 +01:00
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}
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1996-07-23 17:42:42 +02:00
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/* the function name */
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{
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const char *pos;
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for (pos = basename;
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*pos != '\0';
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pos++) {
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switch (*pos) {
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case '/':
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case '-':
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break;
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case ' ':
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nr += lf_putchr(file, '_');
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break;
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default:
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nr += lf_putchr(file, *pos);
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break;
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}
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}
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1996-03-23 16:02:42 +01:00
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}
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1995-11-01 20:32:38 +01:00
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1996-07-23 17:42:42 +02:00
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/* the suffix */
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if (generate_expanded_instructions)
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nr += print_insn_bits(file, expanded_bits);
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1995-11-01 20:32:38 +01:00
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1996-07-23 17:42:42 +02:00
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return nr;
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1995-11-01 20:32:38 +01:00
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}
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1996-07-23 17:42:42 +02:00
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void
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1997-01-27 22:34:50 +01:00
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print_my_defines(lf *file,
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insn_bits *expanded_bits,
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table_entry *file_entry)
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1995-11-01 20:32:38 +01:00
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{
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1997-01-27 22:34:50 +01:00
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/* #define MY_INDEX xxxxx */
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1996-07-23 17:42:42 +02:00
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lf_indent_suppress(file);
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lf_printf(file, "#undef MY_INDEX\n");
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lf_indent_suppress(file);
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lf_printf(file, "#define MY_INDEX ");
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print_function_name(file,
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file_entry->fields[insn_name],
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NULL,
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function_name_prefix_itable);
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1995-11-01 20:32:38 +01:00
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lf_printf(file, "\n");
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1997-01-27 22:34:50 +01:00
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/* #define MY_PREFIX xxxxxx */
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lf_indent_suppress(file);
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lf_printf(file, "#undef MY_PREFIX\n");
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lf_indent_suppress(file);
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lf_printf(file, "#define MY_PREFIX ");
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print_function_name(file,
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file_entry->fields[insn_name],
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expanded_bits,
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function_name_prefix_none);
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lf_printf(file, "\n");
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1995-11-01 20:32:38 +01:00
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}
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1996-07-23 17:42:42 +02:00
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void
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print_itrace(lf *file,
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table_entry *file_entry,
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int idecode)
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1995-11-01 20:32:38 +01:00
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{
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1996-07-23 17:42:42 +02:00
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lf_print__external_reference(file, file_entry->line_nr, file_entry->file_name);
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lf_printf(file, "ITRACE(trace_%s, (\"%s %s\\n\"));\n",
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(idecode ? "idecode" : "semantics"),
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(idecode ? "idecode" : "semantics"),
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file_entry->fields[insn_name]);
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lf_print__internal_reference(file);
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1995-11-01 20:32:38 +01:00
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}
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1995-11-10 23:49:05 +01:00
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/****************************************************************/
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1995-11-13 17:07:30 +01:00
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static void
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1996-07-23 17:42:42 +02:00
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gen_semantics_h(insn_table *table,
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lf *file,
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igen_code generate)
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1995-11-10 23:49:05 +01:00
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{
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1996-07-23 17:42:42 +02:00
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lf_printf(file, "typedef %s idecode_semantic\n(%s);\n",
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SEMANTIC_FUNCTION_TYPE,
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SEMANTIC_FUNCTION_FORMAL);
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1995-11-15 23:53:59 +01:00
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lf_printf(file, "\n");
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1996-07-23 17:42:42 +02:00
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if ((code & generate_calls)) {
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if (generate_expanded_instructions)
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insn_table_traverse_tree(table,
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file, NULL,
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1,
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NULL, /* start */
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print_semantic_declaration, /* leaf */
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NULL, /* end */
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NULL); /* padding */
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else
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insn_table_traverse_insn(table,
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file, NULL,
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print_semantic_declaration);
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1995-11-15 23:53:59 +01:00
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}
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1996-07-23 17:42:42 +02:00
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else {
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lf_print__this_file_is_empty(file);
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1995-11-15 23:53:59 +01:00
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}
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1996-07-23 17:42:42 +02:00
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}
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1995-11-15 23:53:59 +01:00
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1995-11-13 02:27:21 +01:00
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1996-07-23 17:42:42 +02:00
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static void
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gen_semantics_c(insn_table *table,
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cache_table *cache_rules,
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lf *file,
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igen_code generate)
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{
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if ((code & generate_calls)) {
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1995-11-15 23:53:59 +01:00
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lf_printf(file, "\n");
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1996-07-23 17:42:42 +02:00
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lf_printf(file, "#include \"cpu.h\"\n");
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lf_printf(file, "#include \"idecode.h\"\n");
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lf_printf(file, "#include \"semantics.h\"\n");
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lf_printf(file, "#include \"support.h\"\n");
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1995-11-15 23:53:59 +01:00
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lf_printf(file, "\n");
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1996-07-23 17:42:42 +02:00
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if (generate_expanded_instructions)
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insn_table_traverse_tree(table,
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file, cache_rules,
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1,
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NULL, /* start */
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print_semantic_definition, /* leaf */
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NULL, /* end */
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NULL); /* padding */
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else
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insn_table_traverse_insn(table,
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file, cache_rules,
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print_semantic_definition);
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1995-11-15 23:53:59 +01:00
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}
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1996-07-23 17:42:42 +02:00
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else {
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lf_print__this_file_is_empty(file);
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1995-11-15 23:53:59 +01:00
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}
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1995-11-10 23:49:05 +01:00
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}
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1996-07-23 17:42:42 +02:00
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/****************************************************************/
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1995-11-10 23:49:05 +01:00
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1995-11-13 02:27:21 +01:00
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static void
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1996-07-23 17:42:42 +02:00
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gen_icache_h(insn_table *table,
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lf *file,
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igen_code generate)
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1995-11-13 02:27:21 +01:00
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{
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1996-07-23 17:42:42 +02:00
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lf_printf(file, "typedef %s idecode_icache\n(%s);\n",
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ICACHE_FUNCTION_TYPE,
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ICACHE_FUNCTION_FORMAL);
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lf_printf(file, "\n");
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if ((code & generate_calls)
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&& (code & generate_with_icache)) {
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insn_table_traverse_function(table,
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file, NULL,
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print_icache_internal_function_declaration);
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if (generate_expanded_instructions)
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insn_table_traverse_tree(table,
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file, NULL,
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1,
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NULL, /* start */
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print_icache_declaration, /* leaf */
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NULL, /* end */
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NULL); /* padding */
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else
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insn_table_traverse_insn(table,
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file, NULL,
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print_icache_declaration);
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1995-11-13 02:27:21 +01:00
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}
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else {
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1996-07-23 17:42:42 +02:00
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lf_print__this_file_is_empty(file);
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1995-11-13 02:27:21 +01:00
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}
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}
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1996-07-23 17:42:42 +02:00
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static void
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gen_icache_c(insn_table *table,
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cache_table *cache_rules,
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lf *file,
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igen_code generate)
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1995-11-10 23:49:05 +01:00
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{
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1996-07-23 17:42:42 +02:00
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/* output `internal' invalid/floating-point unavailable functions
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where needed */
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if ((code & generate_calls)
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&& (code & generate_with_icache)) {
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1995-11-15 23:53:59 +01:00
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lf_printf(file, "\n");
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1996-07-23 17:42:42 +02:00
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lf_printf(file, "#include \"cpu.h\"\n");
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lf_printf(file, "#include \"idecode.h\"\n");
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lf_printf(file, "#include \"semantics.h\"\n");
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lf_printf(file, "#include \"icache.h\"\n");
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lf_printf(file, "#include \"support.h\"\n");
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1995-11-15 23:53:59 +01:00
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lf_printf(file, "\n");
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1996-07-23 17:42:42 +02:00
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insn_table_traverse_function(table,
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file, NULL,
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print_icache_internal_function_definition);
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1995-11-16 20:02:52 +01:00
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lf_printf(file, "\n");
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1996-07-23 17:42:42 +02:00
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if (generate_expanded_instructions)
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insn_table_traverse_tree(table,
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file, cache_rules,
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1,
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NULL, /* start */
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print_icache_definition, /* leaf */
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NULL, /* end */
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NULL); /* padding */
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else
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insn_table_traverse_insn(table,
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file, cache_rules,
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print_icache_definition);
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1995-11-15 23:53:59 +01:00
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}
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1996-07-23 17:42:42 +02:00
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else {
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lf_print__this_file_is_empty(file);
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1995-11-12 15:20:39 +01:00
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}
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1995-11-01 20:32:38 +01:00
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}
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1996-07-23 17:42:42 +02:00
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1995-11-01 20:32:38 +01:00
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/****************************************************************/
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int
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main(int argc,
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char **argv,
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char **envp)
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{
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1996-07-23 17:42:42 +02:00
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cache_table *cache_rules = NULL;
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lf_file_references file_references = lf_include_references;
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decode_table *decode_rules = NULL;
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|
|
|
filter *filters = NULL;
|
1995-11-01 20:32:38 +01:00
|
|
|
insn_table *instructions = NULL;
|
|
|
|
char *real_file_name = NULL;
|
1996-07-23 17:42:42 +02:00
|
|
|
int is_header = 0;
|
1995-11-01 20:32:38 +01:00
|
|
|
int ch;
|
|
|
|
|
|
|
|
if (argc == 1) {
|
|
|
|
printf("Usage:\n");
|
1995-11-02 15:27:18 +01:00
|
|
|
printf(" igen <config-opts> ... <input-opts>... <output-opts>...\n");
|
|
|
|
printf("Config options:\n");
|
1996-07-23 17:42:42 +02:00
|
|
|
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");
|
1997-01-27 22:34:50 +01:00
|
|
|
printf(" -C Include semantics in cache functions\n");
|
|
|
|
printf(" -S Include insn (instruction) in icache\n");
|
1995-11-25 02:35:14 +01:00
|
|
|
printf(" -R Use defines to reference cache vars\n");
|
1996-07-23 17:42:42 +02:00
|
|
|
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");
|
1995-11-25 02:35:14 +01:00
|
|
|
printf("\n");
|
1995-11-02 15:27:18 +01:00
|
|
|
printf("Input options (ucase version also dumps loaded table):\n");
|
1996-07-23 17:42:42 +02:00
|
|
|
printf(" -o <opcode-rules>\n");
|
|
|
|
printf(" -k <cache-rules>\n");
|
|
|
|
printf(" -i <instruction-table>\n");
|
1995-11-25 02:35:14 +01:00
|
|
|
printf("\n");
|
1995-11-02 15:27:18 +01:00
|
|
|
printf("Output options:\n");
|
1996-07-23 17:42:42 +02:00
|
|
|
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");
|
1995-11-01 20:32:38 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
while ((ch = getopt(argc, argv,
|
1997-01-27 22:34:50 +01:00
|
|
|
"F:EI:RSLJCB:H:N:o:k:i:n:hc:d:m:s:t:f:"))
|
1996-07-23 17:42:42 +02:00
|
|
|
!= -1) {
|
1995-11-01 20:32:38 +01:00
|
|
|
fprintf(stderr, "\t-%c %s\n", ch, (optarg ? optarg : ""));
|
|
|
|
switch(ch) {
|
1996-07-23 17:42:42 +02:00
|
|
|
case 'C':
|
|
|
|
code |= generate_with_icache;
|
|
|
|
code |= generate_with_semantic_icache;
|
1997-01-27 22:34:50 +01:00
|
|
|
break;
|
|
|
|
case 'S':
|
|
|
|
code |= generate_with_icache;
|
|
|
|
code |= generate_with_insn_in_icache;
|
1996-07-23 17:42:42 +02:00
|
|
|
break;
|
|
|
|
case 'L':
|
|
|
|
file_references = lf_omit_references;
|
|
|
|
break;
|
|
|
|
case 'E':
|
|
|
|
generate_expanded_instructions = 1;
|
1995-11-01 20:32:38 +01:00
|
|
|
break;
|
1996-07-23 17:42:42 +02:00
|
|
|
case 'I':
|
|
|
|
icache_size = a2i(optarg);
|
|
|
|
code |= generate_with_icache;
|
1995-11-01 20:32:38 +01:00
|
|
|
break;
|
1996-07-23 17:42:42 +02:00
|
|
|
case 'N':
|
|
|
|
generate_smp = a2i(optarg);
|
1995-11-01 20:32:38 +01:00
|
|
|
break;
|
1995-11-25 02:35:14 +01:00
|
|
|
case 'R':
|
1997-01-27 22:34:50 +01:00
|
|
|
code |= generate_with_direct_access;
|
1995-11-25 02:35:14 +01:00
|
|
|
break;
|
1996-07-23 17:42:42 +02:00
|
|
|
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));
|
1995-11-02 15:27:18 +01:00
|
|
|
break;
|
1996-07-23 17:42:42 +02:00
|
|
|
case 'H':
|
1995-11-02 15:27:18 +01:00
|
|
|
hi_bit_nr = a2i(optarg);
|
1996-07-23 17:42:42 +02:00
|
|
|
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;
|
1995-11-02 15:27:18 +01:00
|
|
|
break;
|
1995-11-01 20:32:38 +01:00
|
|
|
case 'i':
|
1996-07-23 17:42:42 +02:00
|
|
|
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);
|
1995-11-01 20:32:38 +01:00
|
|
|
fprintf(stderr, "\texpanding ...\n");
|
|
|
|
insn_table_expand_insns(instructions);
|
|
|
|
break;
|
|
|
|
case 'o':
|
1996-07-23 17:42:42 +02:00
|
|
|
decode_rules = load_decode_table(optarg, hi_bit_nr);
|
1995-11-01 20:32:38 +01:00
|
|
|
break;
|
|
|
|
case 'k':
|
1996-07-23 17:42:42 +02:00
|
|
|
cache_rules = load_cache_table(optarg, hi_bit_nr);
|
1995-11-01 20:32:38 +01:00
|
|
|
break;
|
|
|
|
case 'n':
|
|
|
|
real_file_name = strdup(optarg);
|
|
|
|
break;
|
1996-07-23 17:42:42 +02:00
|
|
|
case 'h':
|
|
|
|
is_header = 1;
|
|
|
|
break;
|
1995-11-01 20:32:38 +01:00
|
|
|
case 's':
|
|
|
|
case 'd':
|
1995-11-10 23:49:05 +01:00
|
|
|
case 'm':
|
1995-11-01 20:32:38 +01:00
|
|
|
case 't':
|
1996-07-23 17:42:42 +02:00
|
|
|
case 'f':
|
|
|
|
case 'c':
|
1995-11-01 20:32:38 +01:00
|
|
|
{
|
1996-07-23 17:42:42 +02:00
|
|
|
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);
|
1995-11-01 20:32:38 +01:00
|
|
|
ASSERT(instructions != NULL);
|
|
|
|
switch (ch) {
|
|
|
|
case 's':
|
1996-07-23 17:42:42 +02:00
|
|
|
if(is_header)
|
|
|
|
gen_semantics_h(instructions, file, code);
|
|
|
|
else
|
|
|
|
gen_semantics_c(instructions, cache_rules, file, code);
|
1995-11-01 20:32:38 +01:00
|
|
|
break;
|
|
|
|
case 'd':
|
1996-07-23 17:42:42 +02:00
|
|
|
if (is_header)
|
|
|
|
gen_idecode_h(file, instructions, cache_rules);
|
|
|
|
else
|
|
|
|
gen_idecode_c(file, instructions, cache_rules);
|
1995-11-10 23:49:05 +01:00
|
|
|
break;
|
|
|
|
case 'm':
|
1996-07-23 17:42:42 +02:00
|
|
|
if (is_header)
|
|
|
|
gen_model_h(instructions, file);
|
|
|
|
else
|
|
|
|
gen_model_c(instructions, file);
|
1995-11-01 20:32:38 +01:00
|
|
|
break;
|
|
|
|
case 't':
|
1996-07-23 17:42:42 +02:00
|
|
|
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);
|
1995-11-01 20:32:38 +01:00
|
|
|
break;
|
1996-07-23 17:42:42 +02:00
|
|
|
case 'c':
|
|
|
|
if (is_header)
|
|
|
|
gen_icache_h(instructions, file, code);
|
|
|
|
else
|
|
|
|
gen_icache_c(instructions, cache_rules, file, code);
|
1995-11-01 20:32:38 +01:00
|
|
|
break;
|
|
|
|
}
|
1996-07-23 17:42:42 +02:00
|
|
|
lf_print__file_finish(file);
|
1995-11-01 20:32:38 +01:00
|
|
|
lf_close(file);
|
1996-07-23 17:42:42 +02:00
|
|
|
is_header = 0;
|
1995-11-01 20:32:38 +01:00
|
|
|
}
|
|
|
|
real_file_name = NULL;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
error("unknown option\n");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|