decode_table *
load_decode_table(char *file_name,
int hi_bit_nr)
{
table *file = table_open(file_name, nr_decode_fields, 0);
table_entry *entry;
decode_table *table = NULL;
decode_table **curr_rule = &table;
while ((entry = table_entry_read(file)) != NULL) {
decode_table *new_rule = ZALLOC(decode_table);
new_rule->type = name2i(entry->fields[op_options], decode_type_map);
new_rule->gen = (overriding_gen_type != invalid_gen
? overriding_gen_type
: name2i(entry->fields[op_options], decode_gen_map));
new_rule->force_slash = name2i(entry->fields[op_options], decode_slash_map);
new_rule->first = target_a2i(hi_bit_nr, entry->fields[op_first]);
new_rule->last = target_a2i(hi_bit_nr, entry->fields[op_last]);
new_rule->force_first = (strlen(entry->fields[op_force_first])
? target_a2i(hi_bit_nr, entry->fields[op_force_first])
: new_rule->last + 1);
new_rule->force_last = (strlen(entry->fields[op_force_last])
? target_a2i(hi_bit_nr, entry->fields[op_force_last])
: new_rule->first - 1);
new_rule->force_expansion = entry->fields[op_force_expansion];
new_rule->special_mask = a2i(entry->fields[op_special_mask]);
new_rule->special_value = a2i(entry->fields[op_special_value]);
new_rule->special_constant = a2i(entry->fields[op_special_constant]);
*curr_rule = new_rule;
curr_rule = &new_rule->next;
}
return table;
}
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;
}
