ViewVC Help
View File | Revision Log | Show Annotations | Revision Graph | Root Listing
root/cebix/SheepShaver/src/include/cpu_emulation.h
(Generate patch)

Comparing SheepShaver/src/include/cpu_emulation.h (file contents):
Revision 1.4 by gbeauche, 2003-09-29T15:46:08Z vs.
Revision 1.6 by gbeauche, 2003-12-03T15:06:09Z

# Line 59 | Line 59 | extern uint32 SheepStack2Base; // SheepS
59   extern uint32 SheepThunksBase;  // SheepShaver thunks base
60  
61   // Mac memory access functions
62 + #if EMULATED_PPC
63 + #include "cpu/vm.hpp"
64 + static inline uint32 ReadMacInt8(uint32 addr) {return vm_read_memory_1(addr);}
65 + static inline void WriteMacInt8(uint32 addr, uint32 v) {vm_write_memory_1(addr, v);}
66 + static inline uint32 ReadMacInt16(uint32 addr) {return vm_read_memory_2(addr);}
67 + static inline void WriteMacInt16(uint32 addr, uint32 v) {vm_write_memory_2(addr, v);}
68 + static inline uint32 ReadMacInt32(uint32 addr) {return vm_read_memory_4(addr);}
69 + static inline void WriteMacInt32(uint32 addr, uint32 v) {vm_write_memory_4(addr, v);}
70 + static inline uint64 ReadMacInt64(uint32 addr) {return vm_read_memory_8(addr);}
71 + static inline void WriteMacInt64(uint32 addr, uint64 v) {vm_write_memory_8(addr, v);}
72 + static inline uint8 *Mac2HostAddr(uint32 addr) {return vm_do_get_real_address(addr);}
73 + static inline void *Mac_memset(uint32 addr, int c, size_t n) {return vm_memset(addr, c, n);}
74 + static inline void *Mac2Host_memcpy(void *dest, uint32 src, size_t n) {return vm_memcpy(dest, src, n);}
75 + static inline void *Host2Mac_memcpy(uint32 dest, const void *src, size_t n) {return vm_memcpy(dest, src, n);}
76 + static inline void *Mac2Mac_memcpy(uint32 dest, uint32 src, size_t n) {return vm_memcpy(dest, src, n);}
77 + #else
78   static inline uint32 ReadMacInt8(uint32 addr) {return *(uint8 *)addr;}
79   static inline void WriteMacInt8(uint32 addr, uint32 b) {*(uint8 *)addr = b;}
64 #ifdef __i386__
65 static inline uint32 ReadMacInt16(uint32 addr) {uint32 retval; __asm__ ("movzwl %w1,%k0\n\tshll $16,%k0\n\tbswapl %k0\n" : "=&r" (retval) : "m" (*(uint16 *)addr) : "cc"); return retval;}
66 static inline uint32 ReadMacInt32(uint32 addr) {uint32 retval; __asm__ ("bswap %0" : "=r" (retval) : "0" (*(uint32 *)addr) : "cc"); return retval;}
67 static inline uint64 ReadMacInt64(uint32 addr) {return ((uint64)ReadMacInt32(addr) << 32) | ReadMacInt32(addr + 4);}
68 static inline void WriteMacInt16(uint32 addr, uint32 w) {__asm__ ("bswapl %0" : "=&r" (w) : "0" (w << 16) : "cc"); *(uint16 *)addr = w;}
69 static inline void WriteMacInt32(uint32 addr, uint32 l) {__asm__ ("bswap %0" : "=r" (l) : "0" (l) : "cc"); *(uint32 *)addr = l;}
70 static inline void WriteMacInt64(uint32 addr, uint64 ll) {WriteMacInt32(addr, ll >> 32); WriteMacInt32(addr, ll);}
71 #else
80   static inline uint32 ReadMacInt16(uint32 addr) {return *(uint16 *)addr;}
81   static inline uint32 ReadMacInt32(uint32 addr) {return *(uint32 *)addr;}
82   static inline uint64 ReadMacInt64(uint32 addr) {return *(uint64 *)addr;}
83   static inline void WriteMacInt16(uint32 addr, uint32 w) {*(uint16 *)addr = w;}
84   static inline void WriteMacInt32(uint32 addr, uint32 l) {*(uint32 *)addr = l;}
85   static inline void WriteMacInt64(uint32 addr, uint64 ll) {*(uint64 *)addr = ll;}
78 #endif
86   static inline uint8 *Mac2HostAddr(uint32 addr) {return (uint8 *)addr;}
87   static inline void *Mac_memset(uint32 addr, int c, size_t n) {return memset(Mac2HostAddr(addr), c, n);}
88   static inline void *Mac2Host_memcpy(void *dest, uint32 src, size_t n) {return memcpy(dest, Mac2HostAddr(src), n);}
89   static inline void *Host2Mac_memcpy(uint32 dest, const void *src, size_t n) {return memcpy(Mac2HostAddr(dest), src, n);}
90   static inline void *Mac2Mac_memcpy(uint32 dest, uint32 src, size_t n) {return memcpy(Mac2HostAddr(dest), Mac2HostAddr(src), n);}
91 + #endif
92  
93  
94   /*
# Line 91 | Line 99 | struct M68kRegisters;
99   extern void Execute68k(uint32, M68kRegisters *r);                       // Execute 68k subroutine from EMUL_OP routine, must be ended with RTS
100   extern void Execute68kTrap(uint16 trap, M68kRegisters *r);      // Execute 68k A-Trap from EMUL_OP routine
101   #if EMULATED_PPC
102 + extern void FlushCodeCache(uintptr start, uintptr end);         // Invalidate emulator caches
103   extern void ExecuteNative(int selector);                                        // Execute native code from EMUL_OP routine (real mode switch)
104   #else
105   extern void ExecutePPC(void (*func)(void));                                     // Execute PPC code from EMUL_OP routine (real mode switch)

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines