| 29 |
|
// Constants |
| 30 |
|
const uint32 ROM_BASE = 0x40800000; // Base address of ROM |
| 31 |
|
const uint32 ROM_SIZE = 0x00400000; // Size of ROM file |
| 32 |
+ |
const uint32 ROM_AREA_SIZE = 0x500000; // Size of ROM area |
| 33 |
+ |
const uint32 ROM_END = ROM_BASE + ROM_SIZE; // End of ROM |
| 34 |
|
const uint32 DR_CACHE_BASE = 0x69000000; // Address of DR cache |
| 35 |
|
const uint32 DR_CACHE_SIZE = 0x80000; // Size of DR Cache |
| 36 |
+ |
const uint32 SHEEP_BASE = 0x60000000; // Address of SheepShaver data |
| 37 |
+ |
const uint32 SHEEP_SIZE = 0x40000; // Size of SheepShaver data |
| 38 |
+ |
|
| 39 |
+ |
const uint32 KERNEL_DATA_BASE = 0x68ffe000; // Address of Kernel Data |
| 40 |
+ |
const uint32 KERNEL_DATA2_BASE = 0x5fffe000;// Alternate address of Kernel Data |
| 41 |
+ |
const uint32 KERNEL_AREA_SIZE = 0x2000; // Size of Kernel Data area |
| 42 |
+ |
|
| 43 |
+ |
// MacOS 68k Emulator Data |
| 44 |
+ |
struct EmulatorData { |
| 45 |
+ |
uint32 v[0x400]; |
| 46 |
+ |
}; |
| 47 |
+ |
|
| 48 |
+ |
// MacOS Kernel Data |
| 49 |
+ |
struct KernelData { |
| 50 |
+ |
uint32 v[0x400]; |
| 51 |
+ |
EmulatorData ed; |
| 52 |
+ |
}; |
| 53 |
|
|
| 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 uint32 SheepStack1Base; // SheepShaver first alternate stack base |
| 58 |
+ |
extern uint32 SheepStack2Base; // SheepShaver second alternate stack base |
| 59 |
+ |
extern uint32 SheepThunksBase; // SheepShaver thunks base |
| 60 |
|
|
| 61 |
|
// Mac memory access functions |
| 62 |
|
static inline uint32 ReadMacInt8(uint32 addr) {return *(uint8 *)addr;} |
| 90 |
|
struct M68kRegisters; |
| 91 |
|
extern void Execute68k(uint32, M68kRegisters *r); // Execute 68k subroutine from EMUL_OP routine, must be ended with RTS |
| 92 |
|
extern void Execute68kTrap(uint16 trap, M68kRegisters *r); // Execute 68k A-Trap from EMUL_OP routine |
| 93 |
< |
extern void ExecutePPC(void (*func)()); // Execute PPC code from EMUL_OP routine (real mode switch) |
| 93 |
> |
#if EMULATED_PPC |
| 94 |
> |
extern void ExecuteNative(int selector); // Execute native code from EMUL_OP routine (real mode switch) |
| 95 |
> |
#else |
| 96 |
> |
extern void ExecutePPC(void (*func)(void)); // Execute PPC code from EMUL_OP routine (real mode switch) |
| 97 |
> |
#endif |
| 98 |
|
|
| 99 |
|
#endif |
