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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 1.7 by gbeauche, 2003-12-04T17:26:38Z vs.
Revision 1.11 by gbeauche, 2004-01-24T11:28:05Z

# 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 90 | Line 90 | static inline void *Mac2Mac_memcpy(uint3
90   *  680x0 and PPC emulation
91   */
92  
93 + // 68k procedure helper to write a big endian 16-bit word
94 + #ifdef WORDS_BIGENDIAN
95 + #define PW(W) W
96 + #else
97 + #define PW(X) ((((X) >> 8) & 0xff) | (((X) & 0xff) << 8))
98 + #endif
99 +
100 + // PowerPC procedure helper to write a big-endian 32-bit word
101 + #ifdef WORDS_BIGENDIAN
102 + #define PL(X) X
103 + #else
104 + #define PL(X)                                                                                                   \
105 +     ((((X) & 0xff000000) >> 24) | (((X) & 0x00ff0000) >>  8) | \
106 +      (((X) & 0x0000ff00) <<  8) | (((X) & 0x000000ff) << 24))
107 + #endif
108 +
109   struct M68kRegisters;
110   extern void Execute68k(uint32, M68kRegisters *r);                       // Execute 68k subroutine from EMUL_OP routine, must be ended with RTS
111   extern void Execute68kTrap(uint16 trap, M68kRegisters *r);      // Execute 68k A-Trap from EMUL_OP routine
112   #if EMULATED_PPC
113   extern void FlushCodeCache(uintptr start, uintptr end);         // Invalidate emulator caches
98 extern void ExecuteNative(int selector);                                        // Execute native code from EMUL_OP routine (real mode switch)
99 #else
100 extern void ExecutePPC(void (*func)(void));                                     // Execute PPC code from EMUL_OP routine (real mode switch)
114   #endif
115 + extern void ExecuteNative(int selector);                                        // Execute native code from EMUL_OP routine (real mode switch)
116  
117   #endif

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