home *** CD-ROM | disk | FTP | other *** search
- /* 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_
-
- 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 *map,
- void *target,
- unsigned_word addr,
- unsigned len);
-
- 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);
-
-
- /* 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);
-
-
- /* 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
-