1 /* The IGEN simulator generator for GDB, the GNU Debugger. 2 3 Copyright 2002-2024 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 #ifndef IGEN_GEN_ICACHE_H 23 #define IGEN_GEN_ICACHE_H 24 25 /* Output code to manipulate the instruction cache: either create it 26 or reference it */ 27 28 typedef enum 29 { 30 declare_variables, 31 define_variables, 32 undef_variables, 33 } 34 icache_decl_type; 35 36 typedef enum 37 { 38 do_not_use_icache = 0, 39 get_values_from_icache = 0x1, 40 put_values_in_icache = 0x2, 41 both_values_and_icache = 0x3, 42 } 43 icache_body_type; 44 45 extern void print_icache_body 46 (lf *file, 47 const insn_entry *instruction, 48 const opcode_bits *expanded_bits, 49 cache_entry *cache_rules, 50 icache_decl_type what_to_declare, 51 icache_body_type what_to_do, int nr_prefetched_words); 52 53 54 /* Output an instruction cache decode function */ 55 56 extern void print_icache_declaration 57 (lf *file, 58 const insn_entry *insn, 59 const opcode_bits *expanded_bits, 60 const insn_opcodes *opcodes, 61 int nr_prefetched_words); 62 63 extern void print_icache_definition 64 (lf *file, 65 const insn_entry *insn, 66 const opcode_bits *expanded_bits, 67 const insn_opcodes *opcodes, 68 cache_entry *cache_rules, int nr_prefetched_words); 69 70 71 /* Output an instruction cache support function */ 72 73 extern function_entry_handler print_icache_internal_function_declaration; 74 extern function_entry_handler print_icache_internal_function_definition; 75 76 77 /* Output the instruction cache table data structure */ 78 79 extern void print_icache_struct 80 (lf *file, const insn_table *instructions, cache_entry *cache_rules); 81 82 83 /* Output a single instructions decoder */ 84 85 #endif /* IGEN_GEN_ICACHE_H */ 86