62 lines
2.3 KiB
C++
62 lines
2.3 KiB
C++
/*
|
|
DingusPPC - The Experimental PowerPC Macintosh emulator
|
|
Copyright (C) 2018-20 divingkatae and maximum
|
|
(theweirdo) spatium
|
|
|
|
(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
|
|
|
|
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 <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
// The opcodes for the processor - ppcopcodes.cpp
|
|
|
|
#ifndef PPCMEMORY_H
|
|
#define PPCMEMORY_H
|
|
|
|
#include <array>
|
|
#include <cinttypes>
|
|
#include <vector>
|
|
|
|
/* Uncomment this to exhaustive MMU integrity checks. */
|
|
//#define MMU_INTEGRITY_CHECKS
|
|
|
|
/** generic PowerPC BAT descriptor (MMU internal state) */
|
|
typedef struct PPC_BAT_entry {
|
|
uint8_t access; /* copy of Vs | Vp bits */
|
|
uint8_t prot; /* copy of PP bits */
|
|
uint32_t phys_hi; /* high-order bits for physical address generation */
|
|
uint32_t lo_mask; /* mask for low-order logical address bits */
|
|
uint32_t bepi; /* copy of Block effective page index */
|
|
} PPC_BAT_entry;
|
|
|
|
|
|
extern void ibat_update(uint32_t bat_reg);
|
|
extern void dbat_update(uint32_t bat_reg);
|
|
|
|
extern uint8_t* mmu_get_dma_mem(uint32_t addr, uint32_t size);
|
|
|
|
extern void ppc_set_cur_instruction(const uint8_t* ptr);
|
|
extern void mem_write_byte(uint32_t addr, uint8_t value);
|
|
extern void mem_write_word(uint32_t addr, uint16_t value);
|
|
extern void mem_write_dword(uint32_t addr, uint32_t value);
|
|
extern void mem_write_qword(uint32_t addr, uint64_t value);
|
|
extern uint8_t mem_grab_byte(uint32_t addr);
|
|
extern uint16_t mem_grab_word(uint32_t addr);
|
|
extern uint32_t mem_grab_dword(uint32_t addr);
|
|
extern uint64_t mem_grab_qword(uint32_t addr);
|
|
extern uint64_t mem_read_dbg(uint32_t virt_addr, uint32_t size);
|
|
extern uint8_t* quickinstruction_translate(uint32_t address_grab);
|
|
|
|
#endif // PPCMEMORY_H
|