--- SheepShaver/src/include/cpu_emulation.h 2002/02/04 16:58:13 1.1 +++ SheepShaver/src/include/cpu_emulation.h 2003/10/12 05:44:13 1.5 @@ -29,12 +29,34 @@ // Constants const uint32 ROM_BASE = 0x40800000; // Base address of ROM const uint32 ROM_SIZE = 0x00400000; // Size of ROM file +const uint32 ROM_AREA_SIZE = 0x500000; // Size of ROM area +const uint32 ROM_END = ROM_BASE + ROM_SIZE; // End of ROM const uint32 DR_CACHE_BASE = 0x69000000; // Address of DR cache const uint32 DR_CACHE_SIZE = 0x80000; // Size of DR Cache +const uint32 SHEEP_BASE = 0x60000000; // Address of SheepShaver data +const uint32 SHEEP_SIZE = 0x40000; // Size of SheepShaver data + +const uint32 KERNEL_DATA_BASE = 0x68ffe000; // Address of Kernel Data +const uint32 KERNEL_DATA2_BASE = 0x5fffe000;// Alternate address of Kernel Data +const uint32 KERNEL_AREA_SIZE = 0x2000; // Size of Kernel Data area + +// MacOS 68k Emulator Data +struct EmulatorData { + uint32 v[0x400]; +}; + +// MacOS Kernel Data +struct KernelData { + uint32 v[0x400]; + EmulatorData ed; +}; // RAM and ROM pointers (allocated and set by main_*.cpp) extern uint32 RAMBase; // Base address of Mac RAM extern uint32 RAMSize; // Size address of Mac RAM +extern uint32 SheepStack1Base; // SheepShaver first alternate stack base +extern uint32 SheepStack2Base; // SheepShaver second alternate stack base +extern uint32 SheepThunksBase; // SheepShaver thunks base // Mac memory access functions static inline uint32 ReadMacInt8(uint32 addr) {return *(uint8 *)addr;} @@ -68,6 +90,11 @@ static inline void *Mac2Mac_memcpy(uint3 struct M68kRegisters; extern void Execute68k(uint32, M68kRegisters *r); // Execute 68k subroutine from EMUL_OP routine, must be ended with RTS extern void Execute68kTrap(uint16 trap, M68kRegisters *r); // Execute 68k A-Trap from EMUL_OP routine -extern void ExecutePPC(void (*func)()); // Execute PPC code from EMUL_OP routine (real mode switch) +#if EMULATED_PPC +extern void FlushCodeCache(uintptr start, uintptr end); // Invalidate emulator caches +extern void ExecuteNative(int selector); // Execute native code from EMUL_OP routine (real mode switch) +#else +extern void ExecutePPC(void (*func)(void)); // Execute PPC code from EMUL_OP routine (real mode switch) +#endif #endif