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root/cebix/SheepShaver/src/include/cpu_emulation.h
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Comparing SheepShaver/src/include/cpu_emulation.h (file contents):
Revision 1.2 by gbeauche, 2003-09-07T14:33:54Z vs.
Revision 1.5 by gbeauche, 2003-10-12T05:44:13Z

# Line 29 | Line 29
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;}
# Line 69 | Line 91 | 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   #if EMULATED_PPC
94 < extern void HandleInterrupt(void);
94 > extern void FlushCodeCache(uintptr start, uintptr end);         // Invalidate emulator caches
95   extern void ExecuteNative(int selector);                                        // Execute native code from EMUL_OP routine (real mode switch)
96   #else
97   extern void ExecutePPC(void (*func)(void));                                     // Execute PPC code from EMUL_OP routine (real mode switch)

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