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c906108c SS |
1 | /* This file is part of the program psim. |
2 | ||
3 | Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au> | |
4 | ||
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. | |
9 | ||
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. | |
14 | ||
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. | |
18 | ||
19 | */ | |
20 | ||
21 | ||
22 | ||
23 | /* Output code to manipulate the instruction cache: either create it | |
24 | or reference it */ | |
25 | ||
26 | typedef enum { | |
27 | declare_variables, | |
28 | define_variables, | |
29 | undef_variables, | |
30 | } icache_decl_type; | |
31 | ||
32 | typedef enum { | |
33 | do_not_use_icache = 0, | |
34 | get_values_from_icache = 0x1, | |
35 | put_values_in_icache = 0x2, | |
36 | both_values_and_icache = 0x3, | |
37 | } icache_body_type; | |
38 | ||
39 | extern void print_icache_body | |
40 | (lf *file, | |
41 | insn_entry *instruction, | |
42 | opcode_bits *expanded_bits, | |
43 | cache_entry *cache_rules, | |
44 | icache_decl_type what_to_declare, | |
45 | icache_body_type what_to_do, | |
46 | int nr_prefetched_words); | |
47 | ||
48 | ||
49 | /* Output an instruction cache decode function */ | |
50 | ||
51 | extern void print_icache_declaration | |
52 | (lf *file, | |
53 | insn_entry *insn, | |
54 | opcode_bits *expanded_bits, | |
55 | insn_opcodes *opcodes, | |
56 | int nr_prefetched_words); | |
57 | ||
58 | extern void print_icache_definition | |
59 | (lf *file, | |
60 | insn_entry *insn, | |
61 | opcode_bits *expanded_bits, | |
62 | insn_opcodes *opcodes, | |
63 | cache_entry *cache_rules, | |
64 | int nr_prefetched_words); | |
65 | ||
66 | ||
67 | /* Output an instruction cache support function */ | |
68 | ||
69 | extern function_entry_handler print_icache_internal_function_declaration; | |
70 | extern function_entry_handler print_icache_internal_function_definition; | |
71 | ||
72 | ||
73 | /* Output the instruction cache table data structure */ | |
74 | ||
75 | extern void print_icache_struct | |
76 | (lf *file, | |
77 | insn_table *instructions, | |
78 | cache_entry *cache_rules); | |
79 | ||
80 | ||
81 | /* Output a single instructions decoder */ |