128 lines
2.9 KiB
C
128 lines
2.9 KiB
C
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/* This file is part of the program psim.
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Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _VM_H_
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#define _VM_H_
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#ifndef INLINE_VM
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#define INLINE_VM
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#endif
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typedef struct _vm vm;
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typedef struct _vm_data_map vm_data_map;
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typedef struct _vm_instruction_map vm_instruction_map;
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/* each PowerPC requires two virtual memory maps */
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INLINE_VM vm *vm_create
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(core *memory);
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INLINE_VM vm_data_map *vm_create_data_map
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(vm *memory);
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INLINE_VM vm_instruction_map *vm_create_instruction_map
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(vm *memory);
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/* address translation, if the translation is invalid
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these will not return */
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INLINE_VM unsigned_word vm_real_data_addr
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(vm_data_map *data_map,
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unsigned_word ea,
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int is_read,
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cpu *processor,
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unsigned_word cia);
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INLINE_VM unsigned_word vm_real_instruction_addr
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(vm_instruction_map *instruction_map,
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cpu *processor,
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unsigned_word cia);
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/* block transfers */
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INLINE_VM int vm_data_map_read_buffer
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(vm_data_map *data_map,
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void *target,
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unsigned_word addr,
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unsigned len,
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transfer_mode mode);
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INLINE_VM int vm_data_map_write_buffer
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(vm_data_map *data_map,
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const void *source,
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unsigned_word addr,
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unsigned len,
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transfer_mode mode,
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int violate_read_only_section);
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/* fetch the next instruction from memory */
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INLINE_VM instruction_word vm_instruction_map_read
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(vm_instruction_map *instruction_map,
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cpu *processor,
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unsigned_word cia);
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/* read data from memory */
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#define DECLARE_VM_DATA_MAP_READ_N(N) \
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INLINE_VM unsigned_##N vm_data_map_read_##N \
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(vm_data_map *map, \
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unsigned_word ea, \
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cpu *processor, \
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unsigned_word cia);
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DECLARE_VM_DATA_MAP_READ_N(1)
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DECLARE_VM_DATA_MAP_READ_N(2)
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DECLARE_VM_DATA_MAP_READ_N(4)
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DECLARE_VM_DATA_MAP_READ_N(8)
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/* write data to memory */
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#define DECLARE_VM_DATA_MAP_WRITE_N(N) \
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INLINE_VM void vm_data_map_write_##N \
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(vm_data_map *map, \
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unsigned_word addr, \
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unsigned_##N val, \
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cpu *processor, \
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unsigned_word cia);
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DECLARE_VM_DATA_MAP_WRITE_N(1)
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DECLARE_VM_DATA_MAP_WRITE_N(2)
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DECLARE_VM_DATA_MAP_WRITE_N(4)
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DECLARE_VM_DATA_MAP_WRITE_N(8)
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/* update vm data structures due to a synchronization point */
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INLINE_VM void vm_synchronize_context
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(vm *memory,
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spreg *sprs,
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sreg *srs,
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msreg msr);
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#endif
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