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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 1.9 by gbeauche, 2004-01-10T08:46:57Z vs.
Revision 1.13 by gbeauche, 2004-06-24T15:34:59Z

# Line 1 | Line 1
1   /*
2   *  cpu_emulation.h - Definitions for CPU emulation and Mac memory access
3   *
4 < *  SheepShaver (C) 1997-2002 Christian Bauer and Marc Hellwig
4 > *  SheepShaver (C) 1997-2004 Christian Bauer and Marc Hellwig
5   *
6   *  This program is free software; you can redistribute it and/or modify
7   *  it under the terms of the GNU General Public License as published by
# Line 31 | Line 31 | const uintptr ROM_BASE = 0x40800000;                   /
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  
# Line 64 | Line 66 | static inline uint32 ReadMacInt32(uint32
66   static inline void WriteMacInt32(uint32 addr, uint32 v) {vm_write_memory_4(addr, v);}
67   static inline uint64 ReadMacInt64(uint32 addr) {return vm_read_memory_8(addr);}
68   static inline void WriteMacInt64(uint32 addr, uint64 v) {vm_write_memory_8(addr, v);}
69 + static inline uint32 Host2MacAddr(uint8 *addr) {return vm_do_get_virtual_address(addr);}
70   static inline uint8 *Mac2HostAddr(uint32 addr) {return vm_do_get_real_address(addr);}
71   static inline void *Mac_memset(uint32 addr, int c, size_t n) {return vm_memset(addr, c, n);}
72   static inline void *Mac2Host_memcpy(void *dest, uint32 src, size_t n) {return vm_memcpy(dest, src, n);}
# Line 78 | Line 81 | static inline uint64 ReadMacInt64(uint32
81   static inline void WriteMacInt16(uint32 addr, uint32 w) {*(uint16 *)addr = w;}
82   static inline void WriteMacInt32(uint32 addr, uint32 l) {*(uint32 *)addr = l;}
83   static inline void WriteMacInt64(uint32 addr, uint64 ll) {*(uint64 *)addr = ll;}
84 + static inline uint32 Host2MacAddr(uint8 *addr) {return (uint32)addr;}
85   static inline uint8 *Mac2HostAddr(uint32 addr) {return (uint8 *)addr;}
86   static inline void *Mac_memset(uint32 addr, int c, size_t n) {return memset(Mac2HostAddr(addr), c, n);}
87   static inline void *Mac2Host_memcpy(void *dest, uint32 src, size_t n) {return memcpy(dest, Mac2HostAddr(src), n);}
# Line 97 | Line 101 | static inline void *Mac2Mac_memcpy(uint3
101   #define PW(X) ((((X) >> 8) & 0xff) | (((X) & 0xff) << 8))
102   #endif
103  
104 + // PowerPC procedure helper to write a big-endian 32-bit word
105 + #ifdef WORDS_BIGENDIAN
106 + #define PL(X) X
107 + #else
108 + #define PL(X)                                                                                                   \
109 +     ((((X) & 0xff000000) >> 24) | (((X) & 0x00ff0000) >>  8) | \
110 +      (((X) & 0x0000ff00) <<  8) | (((X) & 0x000000ff) << 24))
111 + #endif
112 +
113   struct M68kRegisters;
114   extern void Execute68k(uint32, M68kRegisters *r);                       // Execute 68k subroutine from EMUL_OP routine, must be ended with RTS
115   extern void Execute68kTrap(uint16 trap, M68kRegisters *r);      // Execute 68k A-Trap from EMUL_OP routine

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