1/* The IGEN simulator generator for GDB, the GNU Debugger.
2
3   Copyright 2002-2023 Free Software Foundation, Inc.
4
5   Contributed by Andrew Cagney.
6
7   This file is part of GDB.
8
9   This program is free software; you can redistribute it and/or modify
10   it under the terms of the GNU General Public License as published by
11   the Free Software Foundation; either version 3 of the License, or
12   (at your option) any later version.
13
14   This program is distributed in the hope that it will be useful,
15   but WITHOUT ANY WARRANTY; without even the implied warranty of
16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17   GNU General Public License for more details.
18
19   You should have received a copy of the GNU General Public License
20   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
21
22
23/* Output code to manipulate the instruction cache: either create it
24   or reference it */
25
26typedef enum
27{
28  declare_variables,
29  define_variables,
30  undef_variables,
31}
32icache_decl_type;
33
34typedef enum
35{
36  do_not_use_icache = 0,
37  get_values_from_icache = 0x1,
38  put_values_in_icache = 0x2,
39  both_values_and_icache = 0x3,
40}
41icache_body_type;
42
43extern void print_icache_body
44  (lf *file,
45   const insn_entry *instruction,
46   const opcode_bits *expanded_bits,
47   cache_entry *cache_rules,
48   icache_decl_type what_to_declare,
49   icache_body_type what_to_do, int nr_prefetched_words);
50
51
52/* Output an instruction cache decode function */
53
54extern void print_icache_declaration
55  (lf *file,
56   const insn_entry *insn,
57   const opcode_bits *expanded_bits,
58   const insn_opcodes *opcodes,
59   int nr_prefetched_words);
60
61extern void print_icache_definition
62  (lf *file,
63   const insn_entry *insn,
64   const opcode_bits *expanded_bits,
65   const insn_opcodes *opcodes,
66   cache_entry *cache_rules, int nr_prefetched_words);
67
68
69/* Output an instruction cache support function */
70
71extern function_entry_handler print_icache_internal_function_declaration;
72extern function_entry_handler print_icache_internal_function_definition;
73
74
75/* Output the instruction cache table data structure */
76
77extern void print_icache_struct
78  (lf *file, const insn_table *instructions, cache_entry *cache_rules);
79
80
81/* Output a single instructions decoder */
82