1 /* This file is part of the program psim.
3 Copyright (C) 1994,1995,1996, Andrew Cagney <cagney@highland.com.au>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 # 1 Instruction format as a `start-bit,content' pairs.
28 # the content is one of a digit, field name or `/' (aka.0)
32 # 3 Flags: 64 - 64bit only
33 # f - floating point enabled required
40 # For flags marked 'model', the fields are interpreted as follows:
48 # 4 String name for model
50 # 5 Specific CPU model, must be an identifier
52 # 6 Comma separated list of functional units
57 /* Global constants */
60 max_insn_bit_size = 32,
64 typedef struct _insn_field insn_field;
79 typedef struct _insn_fields insn_fields;
81 insn_field *bits[max_insn_bit_size];
88 /****************************************************************/
90 typedef struct _opcode_field opcode_field;
91 struct _opcode_field {
95 unsigned boolean_constant;
100 /****************************************************************/
102 typedef struct _insn_bits insn_bits;
107 opcode_field *opcode;
112 /****************************************************************/
126 function_type = insn_format,
127 function_name = insn_name,
128 function_param = insn_comment
129 } function_table_fields;
132 model_name = insn_mnemonic,
133 model_identifer = insn_name,
134 model_default = insn_comment,
135 } model_table_fields;
137 typedef struct _insn insn;
139 table_entry *file_entry;
144 typedef struct _insn_undef insn_undef;
150 typedef struct _model model;
154 char *printable_name;
156 table_model_entry *func_unit_start;
157 table_model_entry *func_unit_end;
160 typedef struct _insn_table insn_table;
163 insn_bits *expanded_bits;
168 decode_table *opcode_rule;
169 opcode_field *opcode;
179 nr_insn_model_table_fields
180 } insn_model_table_fields;
183 extern insn_table *load_insn_table
184 (const char *file_name,
185 decode_table *decode_rules,
192 insn *last_model_macro;
194 insn *model_functions;
195 insn *last_model_function;
197 insn *model_internal;
198 insn *last_model_internal;
201 insn *last_model_static;
204 insn *last_model_data;
206 int max_model_fields_len;
208 extern void insn_table_insert_insn
210 table_entry *file_entry,
211 insn_fields *fields);
214 /****************************************************************/
216 /****************************************************************/
218 typedef void leaf_handler
224 typedef void insn_handler
231 typedef void padding_handler
239 extern void insn_table_traverse_tree
245 insn_handler *handler,
247 padding_handler *padding);
250 extern void insn_table_traverse_insn
254 insn_handler *handler);
258 /****************************************************************/
260 typedef void function_handler
264 table_entry *function);
267 insn_table_traverse_function
271 function_handler *leaf);
273 /****************************************************************/
277 extern void insn_table_expand_insns
280 extern int insn_table_depth