| 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 | #ifndef _VM_H_ |
| 23 | #define _VM_H_ |
| 24 | |
| 25 | typedef struct _vm vm; |
| 26 | typedef struct _vm_data_map vm_data_map; |
| 27 | typedef struct _vm_instruction_map vm_instruction_map; |
| 28 | |
| 29 | |
| 30 | /* each PowerPC requires two virtual memory maps */ |
| 31 | |
| 32 | INLINE_VM\ |
| 33 | (vm *) vm_create |
| 34 | (core *memory); |
| 35 | |
| 36 | INLINE_VM\ |
| 37 | (vm_data_map *) vm_create_data_map |
| 38 | (vm *memory); |
| 39 | |
| 40 | INLINE_VM\ |
| 41 | (vm_instruction_map *) vm_create_instruction_map |
| 42 | (vm *memory); |
| 43 | |
| 44 | |
| 45 | /* address translation, if the translation is invalid |
| 46 | these will not return */ |
| 47 | |
| 48 | INLINE_VM\ |
| 49 | (unsigned_word) vm_real_data_addr |
| 50 | (vm_data_map *data_map, |
| 51 | unsigned_word ea, |
| 52 | int is_read, |
| 53 | cpu *processor, |
| 54 | unsigned_word cia); |
| 55 | |
| 56 | INLINE_VM\ |
| 57 | (unsigned_word) vm_real_instruction_addr |
| 58 | (vm_instruction_map *instruction_map, |
| 59 | cpu *processor, |
| 60 | unsigned_word cia); |
| 61 | |
| 62 | |
| 63 | /* generic block transfers. Dependant on the presence of the |
| 64 | PROCESSOR arg, either returns the number of bytes transfered or (if |
| 65 | PROCESSOR is non NULL) aborts the simulation */ |
| 66 | |
| 67 | INLINE_VM\ |
| 68 | (int) vm_data_map_read_buffer |
| 69 | (vm_data_map *map, |
| 70 | void *target, |
| 71 | unsigned_word addr, |
| 72 | unsigned len, |
| 73 | cpu *processor, |
| 74 | unsigned_word cia); |
| 75 | |
| 76 | INLINE_VM\ |
| 77 | (int) vm_data_map_write_buffer |
| 78 | (vm_data_map *map, |
| 79 | const void *source, |
| 80 | unsigned_word addr, |
| 81 | unsigned len, |
| 82 | int violate_read_only_section, |
| 83 | cpu *processor, |
| 84 | unsigned_word cia); |
| 85 | |
| 86 | |
| 87 | /* fetch the next instruction from memory */ |
| 88 | |
| 89 | INLINE_VM\ |
| 90 | (instruction_word) vm_instruction_map_read |
| 91 | (vm_instruction_map *instruction_map, |
| 92 | cpu *processor, |
| 93 | unsigned_word cia); |
| 94 | |
| 95 | |
| 96 | /* read data from memory */ |
| 97 | |
| 98 | #define DECLARE_VM_DATA_MAP_READ_N(N) \ |
| 99 | INLINE_VM\ |
| 100 | (unsigned_##N) vm_data_map_read_##N \ |
| 101 | (vm_data_map *map, \ |
| 102 | unsigned_word ea, \ |
| 103 | cpu *processor, \ |
| 104 | unsigned_word cia); |
| 105 | |
| 106 | DECLARE_VM_DATA_MAP_READ_N(1) |
| 107 | DECLARE_VM_DATA_MAP_READ_N(2) |
| 108 | DECLARE_VM_DATA_MAP_READ_N(4) |
| 109 | DECLARE_VM_DATA_MAP_READ_N(8) |
| 110 | DECLARE_VM_DATA_MAP_READ_N(word) |
| 111 | |
| 112 | |
| 113 | /* write data to memory */ |
| 114 | |
| 115 | #define DECLARE_VM_DATA_MAP_WRITE_N(N) \ |
| 116 | INLINE_VM\ |
| 117 | (void) vm_data_map_write_##N \ |
| 118 | (vm_data_map *map, \ |
| 119 | unsigned_word addr, \ |
| 120 | unsigned_##N val, \ |
| 121 | cpu *processor, \ |
| 122 | unsigned_word cia); |
| 123 | |
| 124 | DECLARE_VM_DATA_MAP_WRITE_N(1) |
| 125 | DECLARE_VM_DATA_MAP_WRITE_N(2) |
| 126 | DECLARE_VM_DATA_MAP_WRITE_N(4) |
| 127 | DECLARE_VM_DATA_MAP_WRITE_N(8) |
| 128 | DECLARE_VM_DATA_MAP_WRITE_N(word) |
| 129 | |
| 130 | |
| 131 | /* update vm data structures due to a synchronization point */ |
| 132 | |
| 133 | INLINE_VM\ |
| 134 | (void) vm_synchronize_context |
| 135 | (vm *memory, |
| 136 | spreg *sprs, |
| 137 | sreg *srs, |
| 138 | msreg msr, |
| 139 | /**/ |
| 140 | cpu *processor, |
| 141 | unsigned_word cia); |
| 142 | |
| 143 | |
| 144 | /* update vm data structures due to a TLB operation */ |
| 145 | |
| 146 | INLINE_VM\ |
| 147 | (void) vm_page_tlb_invalidate_entry |
| 148 | (vm *memory, |
| 149 | unsigned_word ea); |
| 150 | |
| 151 | INLINE_VM\ |
| 152 | (void) vm_page_tlb_invalidate_all |
| 153 | (vm *memory); |
| 154 | |
| 155 | #endif |