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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [sim/] [ppc/] [vm.h] - Rev 395
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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 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); /* 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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