| 31 |
|
const uint32 ROM_SIZE = 0x400000; // Size of ROM file |
| 32 |
|
const uint32 ROM_AREA_SIZE = 0x500000; // Size of ROM area |
| 33 |
|
const uintptr ROM_END = ROM_BASE + ROM_SIZE; // End of ROM |
| 34 |
+ |
const uintptr DR_EMULATOR_BASE = 0x68070000; // Address of DR emulator code |
| 35 |
+ |
const uint32 DR_EMULATOR_SIZE = 0x10000; // Size of DR emulator code |
| 36 |
|
const uintptr DR_CACHE_BASE = 0x69000000; // Address of DR cache |
| 37 |
|
const uint32 DR_CACHE_SIZE = 0x80000; // Size of DR Cache |
| 38 |
|
|
| 54 |
|
// RAM and ROM pointers (allocated and set by main_*.cpp) |
| 55 |
|
extern uint32 RAMBase; // Base address of Mac RAM |
| 56 |
|
extern uint32 RAMSize; // Size address of Mac RAM |
| 57 |
+ |
extern uint8 *RAMBaseHost; // Base address of Mac RAM (host address space) |
| 58 |
+ |
extern uint8 *ROMBaseHost; // Base address of Mac ROM (host address space) |
| 59 |
|
|
| 60 |
|
// Mac memory access functions |
| 61 |
|
#if EMULATED_PPC |
| 68 |
|
static inline void WriteMacInt32(uint32 addr, uint32 v) {vm_write_memory_4(addr, v);} |
| 69 |
|
static inline uint64 ReadMacInt64(uint32 addr) {return vm_read_memory_8(addr);} |
| 70 |
|
static inline void WriteMacInt64(uint32 addr, uint64 v) {vm_write_memory_8(addr, v);} |
| 71 |
+ |
static inline uint32 Host2MacAddr(uint8 *addr) {return vm_do_get_virtual_address(addr);} |
| 72 |
|
static inline uint8 *Mac2HostAddr(uint32 addr) {return vm_do_get_real_address(addr);} |
| 73 |
|
static inline void *Mac_memset(uint32 addr, int c, size_t n) {return vm_memset(addr, c, n);} |
| 74 |
|
static inline void *Mac2Host_memcpy(void *dest, uint32 src, size_t n) {return vm_memcpy(dest, src, n);} |
| 83 |
|
static inline void WriteMacInt16(uint32 addr, uint32 w) {*(uint16 *)addr = w;} |
| 84 |
|
static inline void WriteMacInt32(uint32 addr, uint32 l) {*(uint32 *)addr = l;} |
| 85 |
|
static inline void WriteMacInt64(uint32 addr, uint64 ll) {*(uint64 *)addr = ll;} |
| 86 |
+ |
static inline uint32 Host2MacAddr(uint8 *addr) {return (uint32)addr;} |
| 87 |
|
static inline uint8 *Mac2HostAddr(uint32 addr) {return (uint8 *)addr;} |
| 88 |
|
static inline void *Mac_memset(uint32 addr, int c, size_t n) {return memset(Mac2HostAddr(addr), c, n);} |
| 89 |
|
static inline void *Mac2Host_memcpy(void *dest, uint32 src, size_t n) {return memcpy(dest, Mac2HostAddr(src), n);} |
| 103 |
|
#define PW(X) ((((X) >> 8) & 0xff) | (((X) & 0xff) << 8)) |
| 104 |
|
#endif |
| 105 |
|
|
| 106 |
+ |
// PowerPC procedure helper to write a big-endian 32-bit word |
| 107 |
+ |
#ifdef WORDS_BIGENDIAN |
| 108 |
+ |
#define PL(X) X |
| 109 |
+ |
#else |
| 110 |
+ |
#define PL(X) \ |
| 111 |
+ |
((((X) & 0xff000000) >> 24) | (((X) & 0x00ff0000) >> 8) | \ |
| 112 |
+ |
(((X) & 0x0000ff00) << 8) | (((X) & 0x000000ff) << 24)) |
| 113 |
+ |
#endif |
| 114 |
+ |
|
| 115 |
|
struct M68kRegisters; |
| 116 |
|
extern void Execute68k(uint32, M68kRegisters *r); // Execute 68k subroutine from EMUL_OP routine, must be ended with RTS |
| 117 |
|
extern void Execute68kTrap(uint16 trap, M68kRegisters *r); // Execute 68k A-Trap from EMUL_OP routine |
