diff options
Diffstat (limited to 'sim/ppc/ld-insn.c')
| -rw-r--r-- | sim/ppc/ld-insn.c | 925 |
1 files changed, 0 insertions, 925 deletions
diff --git a/sim/ppc/ld-insn.c b/sim/ppc/ld-insn.c deleted file mode 100644 index a190d85..0000000 --- a/sim/ppc/ld-insn.c +++ /dev/null @@ -1,925 +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 "filter.h" -#include "ld-decode.h" -#include "ld-cache.h" -#include "ld-insn.h" - -#include "igen.h" - -static void -update_depth(insn_table *entry, - lf *file, - void *data, - insn *instruction, - int depth) -{ - int *max_depth = (int*)data; - if (*max_depth < depth) - *max_depth = depth; -} - - -int -insn_table_depth(insn_table *table) -{ - int depth = 0; - insn_table_traverse_tree(table, - NULL, - &depth, - 1, - NULL, /*start*/ - update_depth, - NULL, /*end*/ - NULL); /*padding*/ - return depth; -} - - -static insn_fields * -parse_insn_format(table_entry *entry, - char *format) -{ - char *chp; - insn_fields *fields = ZALLOC(insn_fields); - - /* create a leading sentinal */ - fields->first = ZALLOC(insn_field); - fields->first->first = -1; - fields->first->last = -1; - fields->first->width = 0; - - /* and a trailing sentinal */ - fields->last = ZALLOC(insn_field); - fields->last->first = insn_bit_size; - fields->last->last = insn_bit_size; - fields->last->width = 0; - - /* link them together */ - fields->first->next = fields->last; - fields->last->prev = fields->first; - - /* now work through the formats */ - chp = format; - - while (*chp != '\0') { - char *start_pos; - char *start_val; - int strlen_val; - int strlen_pos; - insn_field *new_field; - - /* sanity check */ - if (!isdigit(*chp)) { - error("%s:%d: missing position field at `%s'\n", - entry->file_name, entry->line_nr, chp); - } - - /* break out the bit position */ - start_pos = chp; - while (isdigit(*chp)) - chp++; - strlen_pos = chp - start_pos; - if (*chp == '.' && strlen_pos > 0) - chp++; - else { - error("%s:%d: missing field value at %s\n", - entry->file_name, entry->line_nr, chp); - break; - } - - /* break out the value */ - start_val = chp; - while ((*start_val == '/' && *chp == '/') - || (isdigit(*start_val) && isdigit(*chp)) - || (isalpha(*start_val) && (isalnum(*chp) || *chp == '_'))) - chp++; - strlen_val = chp - start_val; - if (*chp == ',') - chp++; - else if (*chp != '\0' || strlen_val == 0) { - error("%s:%d: missing field terminator at %s\n", - entry->file_name, entry->line_nr, chp); - break; - } - - /* create a new field and insert it */ - new_field = ZALLOC(insn_field); - new_field->next = fields->last; - new_field->prev = fields->last->prev; - new_field->next->prev = new_field; - new_field->prev->next = new_field; - - /* the value */ - new_field->val_string = (char*)zalloc(strlen_val+1); - strncpy(new_field->val_string, start_val, strlen_val); - if (isdigit(*new_field->val_string)) { - new_field->val_int = a2i(new_field->val_string); - new_field->is_int = 1; - } - else if (new_field->val_string[0] == '/') { - new_field->is_slash = 1; - } - else { - new_field->is_string = 1; - } - - /* the pos */ - new_field->pos_string = (char*)zalloc(strlen_pos+1); - strncpy(new_field->pos_string, start_pos, strlen_pos); - new_field->first = target_a2i(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(fields->first->last < 0); - ASSERT(fields->last->first >= insn_bit_size); - fields->first = fields->first->next; - fields->last = fields->last->prev; - - /* now go over this again, pointing each bit position at a field - record */ - { - int i; - insn_field *field; - field = fields->first; - for (i = 0; i < insn_bit_size; i++) { - while (field->last < i) - field = field->next; - fields->bits[i] = field; - } - } - - /* go over each of the fields, and compute a `value' for the insn */ - { - insn_field *field; - fields->value = 0; - for (field = fields->first; - field->last < insn_bit_size; - field = field->next) { - fields->value <<= field->width; - if (field->is_int) - fields->value |= field->val_int; - } - } - return fields; -} - - -static void -model_table_insert(insn_table *table, - table_entry *file_entry) -{ - int len; - - /* create a new model */ - model *new_model = ZALLOC(model); - - new_model->name = file_entry->fields[model_identifer]; - new_model->printable_name = file_entry->fields[model_name]; - new_model->insn_default = file_entry->fields[model_default]; - - while (*new_model->insn_default && isspace(*new_model->insn_default)) - new_model->insn_default++; - - len = strlen(new_model->insn_default); - if (max_model_fields_len < len) - max_model_fields_len = len; - - /* append it to the end of the model list */ - if (last_model) - last_model->next = new_model; - else - models = new_model; - last_model = new_model; -} - -static void -model_table_insert_specific(insn_table *table, - table_entry *file_entry, - insn **start_ptr, - insn **end_ptr) -{ - insn *ptr = ZALLOC(insn); - ptr->file_entry = file_entry; - if (*end_ptr) - (*end_ptr)->next = ptr; - else - (*start_ptr) = ptr; - (*end_ptr) = ptr; -} - - -static void -insn_table_insert_function(insn_table *table, - table_entry *file_entry) -{ - /* create a new function */ - insn *new_function = ZALLOC(insn); - new_function->file_entry = file_entry; - - /* append it to the end of the function list */ - if (table->last_function) - table->last_function->next = new_function; - else - table->functions = new_function; - table->last_function = new_function; -} - -extern void -insn_table_insert_insn(insn_table *table, - table_entry *file_entry, - insn_fields *fields) -{ - insn **ptr_to_cur_insn = &table->insns; - insn *cur_insn = *ptr_to_cur_insn; - table_model_entry *insn_model_ptr; - model *model_ptr; - - /* create a new instruction */ - insn *new_insn = ZALLOC(insn); - new_insn->file_entry = file_entry; - new_insn->fields = fields; - - /* Check out any model information returned to make sure the model - is correct. */ - for(insn_model_ptr = file_entry->model_first; insn_model_ptr; insn_model_ptr = insn_model_ptr->next) { - char *name = insn_model_ptr->fields[insn_model_name]; - int len = strlen (insn_model_ptr->fields[insn_model_fields]); - - while (len > 0 && isspace(*insn_model_ptr->fields[insn_model_fields])) { - len--; - insn_model_ptr->fields[insn_model_fields]++; - } - - if (max_model_fields_len < len) - max_model_fields_len = len; - - for(model_ptr = models; model_ptr; model_ptr = model_ptr->next) { - if (strcmp(name, model_ptr->printable_name) == 0) { - - /* Replace the name field with that of the global model, so that when we - want to print it out, we can just compare pointers. */ - insn_model_ptr->fields[insn_model_name] = model_ptr->printable_name; - break; - } - } - - if (!model_ptr) - error("%s:%d: machine model `%s' was not known about\n", - file_entry->file_name, file_entry->line_nr, name); - } - - /* insert it according to the order of the fields */ - while (cur_insn != NULL - && new_insn->fields->value >= cur_insn->fields->value) { - ptr_to_cur_insn = &cur_insn->next; - cur_insn = *ptr_to_cur_insn; - } - - new_insn->next = cur_insn; - *ptr_to_cur_insn = new_insn; - - table->nr_insn++; -} - - - -insn_table * -load_insn_table(const char *file_name, - decode_table *decode_rules, - filter *filters) -{ - table *file = table_open(file_name, nr_insn_table_fields, nr_insn_model_table_fields); - insn_table *table = ZALLOC(insn_table); - table_entry *file_entry; - table->opcode_rule = decode_rules; - - while ((file_entry = table_entry_read(file)) != NULL) { - if (it_is("function", file_entry->fields[insn_flags]) - || it_is("internal", file_entry->fields[insn_flags])) { - insn_table_insert_function(table, file_entry); - } - else if (it_is("model", file_entry->fields[insn_flags])) { - model_table_insert(table, file_entry); - } - else if (it_is("model-macro", file_entry->fields[insn_flags])) { - model_table_insert_specific(table, file_entry, &model_macros, &last_model_macro); - } - else if (it_is("model-function", file_entry->fields[insn_flags])) { - model_table_insert_specific(table, file_entry, &model_functions, &last_model_function); - } - else if (it_is("model-internal", file_entry->fields[insn_flags])) { - model_table_insert_specific(table, file_entry, &model_internal, &last_model_internal); - } - else if (it_is("model-static", file_entry->fields[insn_flags])) { - model_table_insert_specific(table, file_entry, &model_static, &last_model_static); - } - else if (it_is("model-data", file_entry->fields[insn_flags])) { - model_table_insert_specific(table, file_entry, &model_data, &last_model_data); - } - else { - insn_fields *fields; - /* skip instructions that aren't relevant to the mode */ - if (is_filtered_out(file_entry->fields[insn_flags], filters)) { - fprintf(stderr, "Dropping %s - %s\n", - file_entry->fields[insn_name], - file_entry->fields[insn_flags]); - } - else { - /* create/insert the new instruction */ - fields = parse_insn_format(file_entry, - file_entry->fields[insn_format]); - insn_table_insert_insn(table, file_entry, fields); - } - } - } - return table; -} - - -extern void -insn_table_traverse_tree(insn_table *table, - lf *file, - void *data, - int depth, - leaf_handler *start, - insn_handler *leaf, - leaf_handler *end, - padding_handler *padding) -{ - insn_table *entry; - int entry_nr; - - ASSERT(table != NULL - && table->opcode != NULL - && table->nr_entries > 0 - && table->entries != 0); - - if (start != NULL && depth >= 0) - start(table, file, data, depth); - - for (entry_nr = 0, entry = table->entries; - entry_nr < (table->opcode->is_boolean - ? 2 - : (1 << (table->opcode->last - table->opcode->first + 1))); - entry_nr ++) { - if (entry == NULL - || (!table->opcode->is_boolean - && entry_nr < entry->opcode_nr)) { - if (padding != NULL && depth >= 0) - padding(table, file, data, depth, entry_nr); - } - else { - ASSERT(entry != NULL && (entry->opcode_nr == entry_nr - || table->opcode->is_boolean)); - if (entry->opcode != NULL && depth != 0) { - insn_table_traverse_tree(entry, file, data, depth+1, - start, leaf, end, padding); - } - else if (depth >= 0) { - if (leaf != NULL) - leaf(entry, file, data, entry->insns, depth); - } - entry = entry->sibling; - } - } - if (end != NULL && depth >= 0) - end(table, file, data, depth); -} - - -extern void -insn_table_traverse_function(insn_table *table, - lf *file, - void *data, - function_handler *leaf) -{ - insn *function; - for (function = table->functions; - function != NULL; - function = function->next) { - leaf(table, file, data, function->file_entry); - } -} - -extern void -insn_table_traverse_insn(insn_table *table, - lf *file, - void *data, - insn_handler *handler) -{ - insn *instruction; - for (instruction = table->insns; - instruction != NULL; - instruction = instruction->next) { - handler(table, file, data, instruction, 0); - } -} - - -/****************************************************************/ - -typedef enum { - field_constant_int = 1, - field_constant_slash = 2, - field_constant_string = 3 -} constant_field_types; - - -static int -insn_field_is_constant(insn_field *field, - decode_table *rule) -{ - /* field is an integer */ - if (field->is_int) - return field_constant_int; - /* field is `/' and treating that as a constant */ - if (field->is_slash && rule->force_slash) - return field_constant_slash; - /* field, though variable is on the list */ - if (field->is_string && rule->force_expansion != NULL) { - char *forced_fields = rule->force_expansion; - while (*forced_fields != '\0') { - int field_len; - char *end = strchr(forced_fields, ','); - if (end == NULL) - field_len = strlen(forced_fields); - else - field_len = end-forced_fields; - if (strncmp(forced_fields, field->val_string, field_len) == 0 - && field->val_string[field_len] == '\0') - return field_constant_string; - forced_fields += field_len; - if (*forced_fields == ',') - forced_fields++; - } - } - return 0; -} - - -static opcode_field * -insn_table_find_opcode_field(insn *insns, - decode_table *rule, - int string_only) -{ - opcode_field *curr_opcode = ZALLOC(opcode_field); - insn *entry; - ASSERT(rule); - - curr_opcode->first = insn_bit_size; - curr_opcode->last = -1; - for (entry = insns; entry != NULL; entry = entry->next) { - insn_fields *fields = entry->fields; - opcode_field new_opcode; - - /* 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->bits[new_opcode.first], - rule) != field_constant_string) - && (string_only - || !insn_field_is_constant(fields->bits[new_opcode.first], - rule))) - new_opcode.first = fields->bits[new_opcode.first]->last + 1; - ASSERT(new_opcode.first > rule->last - || (string_only - && insn_field_is_constant(fields->bits[new_opcode.first], - rule) == field_constant_string) - || (!string_only - && insn_field_is_constant(fields->bits[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->bits[new_opcode.last], - rule) != field_constant_string) - && (string_only - || !insn_field_is_constant(fields->bits[new_opcode.last], - rule))) - new_opcode.last = fields->bits[new_opcode.last]->first - 1; - ASSERT(new_opcode.last < rule->first - || (string_only - && insn_field_is_constant(fields->bits[new_opcode.last], - rule) == field_constant_string) - || (!string_only - && insn_field_is_constant(fields->bits[new_opcode.last], - rule))); - - /* now see if our current opcode needs expanding */ - 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; - - } - - /* was any thing interesting found? */ - if (curr_opcode->first > rule->last) { - ASSERT(curr_opcode->last < rule->first); - return NULL; - } - ASSERT(curr_opcode->last >= rule->first); - ASSERT(curr_opcode->first <= rule->last); - - /* if something was found, check it includes the forced field range */ - 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; - } - /* handle special case elminating any need to do shift after mask */ - if (string_only - && rule->force_last == insn_bit_size-1) { - curr_opcode->last = insn_bit_size-1; - } - - /* handle any special cases */ - switch (rule->type) { - case normal_decode_rule: - /* let the above apply */ - break; - case expand_forced_rule: - /* expand a limited nr of bits, ignoring the rest */ - curr_opcode->first = rule->force_first; - curr_opcode->last = rule->force_last; - break; - case boolean_rule: - curr_opcode->is_boolean = 1; - curr_opcode->boolean_constant = rule->special_constant; - break; - default: - error("Something is going wrong\n"); - } - - return curr_opcode; -} - - -static void -insn_table_insert_expanded(insn_table *table, - insn *old_insn, - int new_opcode_nr, - insn_bits *new_bits) -{ - insn_table **ptr_to_cur_entry = &table->entries; - insn_table *cur_entry = *ptr_to_cur_entry; - - /* find the new table for this entry */ - while (cur_entry != NULL - && cur_entry->opcode_nr < new_opcode_nr) { - ptr_to_cur_entry = &cur_entry->sibling; - cur_entry = *ptr_to_cur_entry; - } - - if (cur_entry == NULL || cur_entry->opcode_nr != new_opcode_nr) { - insn_table *new_entry = ZALLOC(insn_table); - new_entry->opcode_nr = new_opcode_nr; - new_entry->expanded_bits = new_bits; - new_entry->opcode_rule = table->opcode_rule->next; - new_entry->sibling = cur_entry; - new_entry->parent = table; - *ptr_to_cur_entry = new_entry; - cur_entry = new_entry; - table->nr_entries++; - } - /* ASSERT new_bits == cur_entry bits */ - ASSERT(cur_entry != NULL && cur_entry->opcode_nr == new_opcode_nr); - insn_table_insert_insn(cur_entry, - old_insn->file_entry, - old_insn->fields); -} - -static void -insn_table_expand_opcode(insn_table *table, - insn *instruction, - int field_nr, - int opcode_nr, - insn_bits *bits) -{ - - if (field_nr > table->opcode->last) { - insn_table_insert_expanded(table, instruction, opcode_nr, bits); - } - else { - insn_field *field = instruction->fields->bits[field_nr]; - if (field->is_int || field->is_slash) { - ASSERT(field->first >= table->opcode->first - && field->last <= table->opcode->last); - insn_table_expand_opcode(table, instruction, field->last+1, - ((opcode_nr << field->width) + field->val_int), - bits); - } - else { - int val; - 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; - int last_val = (table->opcode->is_boolean - ? 2 : (1 << width)); - for (val = 0; val < last_val; val++) { - insn_bits *new_bits = ZALLOC(insn_bits); - new_bits->field = field; - new_bits->value = val; - new_bits->last = bits; - new_bits->opcode = table->opcode; - insn_table_expand_opcode(table, instruction, last_pos+1, - ((opcode_nr << width) | val), - new_bits); - } - } - } -} - -static void -insn_table_insert_expanding(insn_table *table, - insn *entry) -{ - insn_table_expand_opcode(table, - entry, - table->opcode->first, - 0, - table->expanded_bits); -} - - -extern void -insn_table_expand_insns(insn_table *table) -{ - - ASSERT(table->nr_insn >= 1); - - /* determine a valid opcode */ - while (table->opcode_rule) { - /* specials only for single instructions */ - if ((table->nr_insn > 1 - && table->opcode_rule->special_mask == 0 - && table->opcode_rule->type == normal_decode_rule) - || (table->nr_insn == 1 - && table->opcode_rule->special_mask != 0 - && ((table->insns->fields->value - & table->opcode_rule->special_mask) - == table->opcode_rule->special_value)) - || (generate_expanded_instructions - && table->opcode_rule->special_mask == 0 - && table->opcode_rule->type == normal_decode_rule)) - table->opcode = - insn_table_find_opcode_field(table->insns, - table->opcode_rule, - table->nr_insn == 1/*string*/ - ); - if (table->opcode != NULL) - break; - table->opcode_rule = table->opcode_rule->next; - } - - /* did we find anything */ - if (table->opcode == NULL) { - return; - } - ASSERT(table->opcode != NULL); - - /* back link what we found to its parent */ - if (table->parent != NULL) { - ASSERT(table->parent->opcode != NULL); - table->opcode->parent = table->parent->opcode; - } - - /* expand the raw instructions according to the opcode */ - { - insn *entry; - for (entry = table->insns; entry != NULL; entry = entry->next) { - insn_table_insert_expanding(table, entry); - } - } - - /* and do the same for the sub entries */ - { - insn_table *entry; - for (entry = table->entries; entry != NULL; entry = entry->sibling) { - insn_table_expand_insns(entry); - } - } -} - - - - -#ifdef MAIN - -static void -dump_insn_field(insn_field *field, - int indent) -{ - - printf("(insn_field*)0x%x\n", (unsigned)field); - - dumpf(indent, "(first %d)\n", field->first); - - dumpf(indent, "(last %d)\n", field->last); - - dumpf(indent, "(width %d)\n", field->width); - - if (field->is_int) - dumpf(indent, "(is_int %d)\n", field->val_int); - - if (field->is_slash) - dumpf(indent, "(is_slash)\n"); - - if (field->is_string) - dumpf(indent, "(is_string `%s')\n", field->val_string); - - dumpf(indent, "(next 0x%x)\n", field->next); - - dumpf(indent, "(prev 0x%x)\n", field->prev); - - -} - -static void -dump_insn_fields(insn_fields *fields, - int indent) -{ - int i; - - printf("(insn_fields*)%p\n", fields); - - dumpf(indent, "(first 0x%x)\n", fields->first); - dumpf(indent, "(last 0x%x)\n", fields->last); - - dumpf(indent, "(value 0x%x)\n", fields->value); - - for (i = 0; i < insn_bit_size; i++) { - dumpf(indent, "(bits[%d] ", i, fields->bits[i]); - dump_insn_field(fields->bits[i], indent+1); - dumpf(indent, " )\n"); - } - -} - - -static void -dump_opcode_field(opcode_field *field, int indent, int levels) -{ - printf("(opcode_field*)%p\n", field); - if (levels && field != NULL) { - dumpf(indent, "(first %d)\n", field->first); - dumpf(indent, "(last %d)\n", field->last); - dumpf(indent, "(is_boolean %d)\n", field->is_boolean); - dumpf(indent, "(parent "); - dump_opcode_field(field->parent, indent, levels-1); - } -} - - -static void -dump_insn_bits(insn_bits *bits, int indent, int levels) -{ - printf("(insn_bits*)%p\n", bits); - - if (levels && bits != NULL) { - dumpf(indent, "(value %d)\n", bits->value); - dumpf(indent, "(opcode "); - dump_opcode_field(bits->opcode, indent+1, 0); - dumpf(indent, " )\n"); - dumpf(indent, "(field "); - dump_insn_field(bits->field, indent+1); - dumpf(indent, " )\n"); - dumpf(indent, "(last "); - dump_insn_bits(bits->last, indent+1, levels-1); - } -} - - - -static void -dump_insn(insn *entry, int indent, int levels) -{ - printf("(insn*)%p\n", entry); - - if (levels && entry != NULL) { - - dumpf(indent, "(file_entry "); - dump_table_entry(entry->file_entry, indent+1); - dumpf(indent, " )\n"); - - dumpf(indent, "(fields "); - dump_insn_fields(entry->fields, indent+1); - dumpf(indent, " )\n"); - - dumpf(indent, "(next "); - dump_insn(entry->next, indent+1, levels-1); - dumpf(indent, " )\n"); - - } - -} - - -static void -dump_insn_table(insn_table *table, - int indent, int levels) -{ - - printf("(insn_table*)%p\n", table); - - if (levels && table != NULL) { - - dumpf(indent, "(opcode_nr %d)\n", table->opcode_nr); - - dumpf(indent, "(expanded_bits "); - dump_insn_bits(table->expanded_bits, indent+1, -1); - dumpf(indent, " )\n"); - - dumpf(indent, "(int nr_insn %d)\n", table->nr_insn); - - dumpf(indent, "(insns "); - dump_insn(table->insns, indent+1, table->nr_insn); - dumpf(indent, " )\n"); - - dumpf(indent, "(opcode_rule "); - dump_decode_rule(table->opcode_rule, indent+1); - dumpf(indent, " )\n"); - - dumpf(indent, "(opcode "); - dump_opcode_field(table->opcode, indent+1, 1); - dumpf(indent, " )\n"); - - dumpf(indent, "(nr_entries %d)\n", table->entries); - dumpf(indent, "(entries "); - dump_insn_table(table->entries, indent+1, table->nr_entries); - dumpf(indent, " )\n"); - - dumpf(indent, "(sibling ", table->sibling); - dump_insn_table(table->sibling, indent+1, levels-1); - dumpf(indent, " )\n"); - - dumpf(indent, "(parent ", table->parent); - dump_insn_table(table->parent, indent+1, 0); - dumpf(indent, " )\n"); - - } -} - -int insn_bit_size = max_insn_bit_size; -int hi_bit_nr; -int generate_expanded_instructions; - -int -main(int argc, char **argv) -{ - filter *filters = NULL; - decode_table *decode_rules = NULL; - insn_table *instructions = NULL; - - if (argc != 5) - error("Usage: insn <filter> <hi-bit-nr> <decode-table> <insn-table>\n"); - - filters = new_filter(argv[1], filters); - hi_bit_nr = a2i(argv[2]); - ASSERT(hi_bit_nr < insn_bit_size); - decode_rules = load_decode_table(argv[3], hi_bit_nr); - instructions = load_insn_table(argv[4], decode_rules, filters); - insn_table_expand_insns(instructions); - - dump_insn_table(instructions, 0, -1); - return 0; -} - -#endif |