| 59 |
|
# endif |
| 60 |
|
#endif |
| 61 |
|
|
| 62 |
< |
// Are we using a PPC emulator or the real thing? |
| 63 |
< |
#ifdef __powerpc__ |
| 64 |
< |
#define EMULATED_PPC 0 |
| 65 |
< |
#else |
| 66 |
< |
#define EMULATED_PPC 1 |
| 67 |
< |
#endif |
| 62 |
> |
// Define for external components |
| 63 |
> |
#define SHEEPSHAVER 1 |
| 64 |
> |
|
| 65 |
> |
// Mac and host address space are the same |
| 66 |
> |
#define REAL_ADDRESSING 1 |
| 67 |
|
|
| 68 |
|
#define POWERPC_ROM 1 |
| 69 |
|
|
| 70 |
+ |
#if EMULATED_PPC |
| 71 |
+ |
// Mac ROM is write protected when banked memory is used |
| 72 |
+ |
#if REAL_ADDRESSING || DIRECT_ADDRESSING |
| 73 |
+ |
# define ROM_IS_WRITE_PROTECTED 0 |
| 74 |
+ |
# define USE_SCRATCHMEM_SUBTERFUGE 1 |
| 75 |
+ |
#else |
| 76 |
+ |
# define ROM_IS_WRITE_PROTECTED 1 |
| 77 |
+ |
#endif |
| 78 |
+ |
#else |
| 79 |
+ |
// Mac ROM is write protected |
| 80 |
+ |
#define ROM_IS_WRITE_PROTECTED 1 |
| 81 |
+ |
#define USE_SCRATCHMEM_SUBTERFUGE 0 |
| 82 |
+ |
#endif |
| 83 |
+ |
|
| 84 |
|
// Data types |
| 85 |
|
typedef unsigned char uint8; |
| 86 |
|
typedef signed char int8; |
| 125 |
|
#error "Unsupported size of pointer" |
| 126 |
|
#endif |
| 127 |
|
|
| 128 |
+ |
// Helper functions to byteswap data |
| 129 |
+ |
#ifdef HAVE_BYTESWAP_H |
| 130 |
+ |
#include <byteswap.h> |
| 131 |
+ |
#endif |
| 132 |
+ |
|
| 133 |
+ |
#ifndef bswap_16 |
| 134 |
+ |
#define bswap_16 generic_bswap_16 |
| 135 |
+ |
#endif |
| 136 |
+ |
|
| 137 |
+ |
static inline uint16 generic_bswap_16(uint16 x) |
| 138 |
+ |
{ |
| 139 |
+ |
return ((x & 0xff) << 8) | ((x >> 8) & 0xff); |
| 140 |
+ |
} |
| 141 |
+ |
|
| 142 |
+ |
#ifndef bswap_32 |
| 143 |
+ |
#define bswap_32 generic_bswap_32 |
| 144 |
+ |
#endif |
| 145 |
+ |
|
| 146 |
+ |
static inline uint32 generic_bswap_32(uint32 x) |
| 147 |
+ |
{ |
| 148 |
+ |
return (((x & 0xff000000) >> 24) | |
| 149 |
+ |
((x & 0x00ff0000) >> 8) | |
| 150 |
+ |
((x & 0x0000ff00) << 8) | |
| 151 |
+ |
((x & 0x000000ff) << 24) ); |
| 152 |
+ |
} |
| 153 |
+ |
|
| 154 |
+ |
#ifndef bswap_64 |
| 155 |
+ |
#define bswap_64 generic_bswap_64 |
| 156 |
+ |
#endif |
| 157 |
+ |
|
| 158 |
+ |
static inline uint64 generic_bswap_64(uint64 x) |
| 159 |
+ |
{ |
| 160 |
+ |
return (((x & UVAL64(0xff00000000000000)) >> 56) | |
| 161 |
+ |
((x & UVAL64(0x00ff000000000000)) >> 40) | |
| 162 |
+ |
((x & UVAL64(0x0000ff0000000000)) >> 24) | |
| 163 |
+ |
((x & UVAL64(0x000000ff00000000)) >> 8) | |
| 164 |
+ |
((x & UVAL64(0x00000000ff000000)) << 8) | |
| 165 |
+ |
((x & UVAL64(0x0000000000ff0000)) << 24) | |
| 166 |
+ |
((x & UVAL64(0x000000000000ff00)) << 40) | |
| 167 |
+ |
((x & UVAL64(0x00000000000000ff)) << 56) ); |
| 168 |
+ |
} |
| 169 |
+ |
|
| 170 |
+ |
#ifdef WORDS_BIGENDIAN |
| 171 |
+ |
static inline uint16 tswap16(uint16 x) { return x; } |
| 172 |
+ |
static inline uint32 tswap32(uint32 x) { return x; } |
| 173 |
+ |
static inline uint64 tswap64(uint64 x) { return x; } |
| 174 |
+ |
#else |
| 175 |
+ |
static inline uint16 tswap16(uint16 x) { return bswap_16(x); } |
| 176 |
+ |
static inline uint32 tswap32(uint32 x) { return bswap_32(x); } |
| 177 |
+ |
static inline uint64 tswap64(uint64 x) { return bswap_64(x); } |
| 178 |
+ |
#endif |
| 179 |
+ |
|
| 180 |
|
// Time data type for Time Manager emulation |
| 181 |
|
#ifdef HAVE_CLOCK_GETTIME |
| 182 |
|
typedef struct timespec tm_time_t; |
