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 26 typedef enum 27 { 28 declare_variables, 29 define_variables, 30 undef_variables, 31 } 32 icache_decl_type; 33 34 typedef 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 } 41 icache_body_type; 42 43 extern 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 54 extern 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 61 extern 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 71 extern function_entry_handler print_icache_internal_function_declaration; 72 extern function_entry_handler print_icache_internal_function_definition; 73 74 75 /* Output the instruction cache table data structure */ 76 77 extern void print_icache_struct 78 (lf *file, const insn_table *instructions, cache_entry *cache_rules); 79 80 81 /* Output a single instructions decoder */ 82