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/* This file is part of the program psim.
Copyright (C) 1994-1995, 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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _VM_H_
#define _VM_H_
#ifndef INLINE_VM
#define INLINE_VM
#endif
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);
/* block transfers */
INLINE_VM int vm_data_map_read_buffer
(vm_data_map *data_map,
void *target,
unsigned_word addr,
unsigned len,
transfer_mode mode);
INLINE_VM int vm_data_map_write_buffer
(vm_data_map *data_map,
const void *source,
unsigned_word addr,
unsigned len,
transfer_mode mode,
int violate_read_only_section);
/* 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)
/* 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)
/* update vm data structures due to a synchronization point */
INLINE_VM void vm_synchronize_context
(vm *memory,
spreg *sprs,
sreg *srs,
msreg msr);
#endif
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