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/* This file is part of the program psim.
Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _VM_H_
#define _VM_H_
typedef struct _vm vm;
typedef struct _vm_data_map vm_data_map;
typedef struct _vm_instruction_map vm_instruction_map;
/* each PowerPC requires two virtual memory maps */
INLINE_VM\
(vm *) vm_create
(core *memory);
INLINE_VM\
(vm_data_map *) vm_create_data_map
(vm *memory);
INLINE_VM\
(vm_instruction_map *) vm_create_instruction_map
(vm *memory);
/* address translation, if the translation is invalid
these will not return */
INLINE_VM\
(unsigned_word) vm_real_data_addr
(vm_data_map *data_map,
unsigned_word ea,
int is_read,
cpu *processor,
unsigned_word cia);
INLINE_VM\
(unsigned_word) vm_real_instruction_addr
(vm_instruction_map *instruction_map,
cpu *processor,
unsigned_word cia);
/* generic block transfers. Dependant on the presence of the
PROCESSOR arg, either returns the number of bytes transfered or (if
PROCESSOR is non NULL) aborts the simulation */
INLINE_VM\
(int) vm_data_map_read_buffer
(vm_data_map *map,
void *target,
unsigned_word addr,
unsigned len,
cpu *processor,
unsigned_word cia);
INLINE_VM\
(int) vm_data_map_write_buffer
(vm_data_map *map,
const void *source,
unsigned_word addr,
unsigned len,
int violate_read_only_section,
cpu *processor,
unsigned_word cia);
/* fetch the next instruction from memory */
INLINE_VM\
(instruction_word) vm_instruction_map_read
(vm_instruction_map *instruction_map,
cpu *processor,
unsigned_word cia);
/* read data from memory */
#define DECLARE_VM_DATA_MAP_READ_N(N) \
INLINE_VM\
(unsigned_##N) vm_data_map_read_##N \
(vm_data_map *map, \
unsigned_word ea, \
cpu *processor, \
unsigned_word cia);
DECLARE_VM_DATA_MAP_READ_N(1)
DECLARE_VM_DATA_MAP_READ_N(2)
DECLARE_VM_DATA_MAP_READ_N(4)
DECLARE_VM_DATA_MAP_READ_N(8)
DECLARE_VM_DATA_MAP_READ_N(word)
/* write data to memory */
#define DECLARE_VM_DATA_MAP_WRITE_N(N) \
INLINE_VM\
(void) vm_data_map_write_##N \
(vm_data_map *map, \
unsigned_word addr, \
unsigned_##N val, \
cpu *processor, \
unsigned_word cia);
DECLARE_VM_DATA_MAP_WRITE_N(1)
DECLARE_VM_DATA_MAP_WRITE_N(2)
DECLARE_VM_DATA_MAP_WRITE_N(4)
DECLARE_VM_DATA_MAP_WRITE_N(8)
DECLARE_VM_DATA_MAP_WRITE_N(word)
/* update vm data structures due to a synchronization point */
INLINE_VM\
(void) vm_synchronize_context
(vm *memory,
spreg *sprs,
sreg *srs,
msreg msr,
/**/
cpu *processor,
unsigned_word cia);
/* update vm data structures due to a TLB operation */
INLINE_VM\
(void) vm_page_tlb_invalidate_entry
(vm *memory,
unsigned_word ea);
INLINE_VM\
(void) vm_page_tlb_invalidate_all
(vm *memory);
#endif
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