| 1 |
/* |
| 2 |
* sysdeps.h - System dependent definitions for Windows |
| 3 |
* |
| 4 |
* SheepShaver (C) 1997-2005 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 |
| 8 |
* the Free Software Foundation; either version 2 of the License, or |
| 9 |
* (at your option) any later version. |
| 10 |
* |
| 11 |
* This program is distributed in the hope that it will be useful, |
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
* GNU General Public License for more details. |
| 15 |
* |
| 16 |
* You should have received a copy of the GNU General Public License |
| 17 |
* along with this program; if not, write to the Free Software |
| 18 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 |
*/ |
| 20 |
|
| 21 |
#ifndef SYSDEPS_H |
| 22 |
#define SYSDEPS_H |
| 23 |
|
| 24 |
#ifndef __STDC__ |
| 25 |
#error "Your compiler is not ANSI. Get a real one." |
| 26 |
#endif |
| 27 |
|
| 28 |
#include "config.h" |
| 29 |
#include "user_strings_windows.h" |
| 30 |
|
| 31 |
#ifndef STDC_HEADERS |
| 32 |
#error "You don't have ANSI C header files." |
| 33 |
#endif |
| 34 |
|
| 35 |
#include <assert.h> |
| 36 |
#include <stdio.h> |
| 37 |
#include <stdlib.h> |
| 38 |
#include <stdint.h> |
| 39 |
#include <string.h> |
| 40 |
#include <time.h> |
| 41 |
#ifdef __WIN32__ |
| 42 |
#include <windows.h> |
| 43 |
#endif |
| 44 |
#include <sys/types.h> |
| 45 |
|
| 46 |
|
| 47 |
// Define for external components |
| 48 |
#define SHEEPSHAVER 1 |
| 49 |
#define POWERPC_ROM 1 |
| 50 |
#define EMULATED_PPC 1 |
| 51 |
#define CONFIG_WIN32 1 |
| 52 |
|
| 53 |
// Use Direct Addressing mode |
| 54 |
#define DIRECT_ADDRESSING 1 |
| 55 |
#define NATMEM_OFFSET 0x02000000 |
| 56 |
|
| 57 |
// Mac ROM is write protected when banked memory is used |
| 58 |
#if REAL_ADDRESSING || DIRECT_ADDRESSING |
| 59 |
# define ROM_IS_WRITE_PROTECTED 0 |
| 60 |
# define USE_SCRATCHMEM_SUBTERFUGE 1 |
| 61 |
#else |
| 62 |
# define ROM_IS_WRITE_PROTECTED 1 |
| 63 |
#endif |
| 64 |
// Configure PowerPC emulator |
| 65 |
#define PPC_REENTRANT_JIT 1 |
| 66 |
#define PPC_CHECK_INTERRUPTS 1 |
| 67 |
#define PPC_DECODE_CACHE 1 |
| 68 |
#define PPC_FLIGHT_RECORDER 1 |
| 69 |
#define PPC_PROFILE_COMPILE_TIME 0 |
| 70 |
#define PPC_PROFILE_GENERIC_CALLS 0 |
| 71 |
#define KPX_MAX_CPUS 1 |
| 72 |
#if ENABLE_DYNGEN |
| 73 |
// Don't bother with predecode cache when using JIT |
| 74 |
#define PPC_ENABLE_JIT 1 |
| 75 |
#undef PPC_DECODE_CACHE |
| 76 |
#endif |
| 77 |
#if defined(__i386__) |
| 78 |
#define DYNGEN_ASM_OPTS 1 |
| 79 |
#endif |
| 80 |
|
| 81 |
// Data types |
| 82 |
typedef unsigned char uint8; |
| 83 |
typedef signed char int8; |
| 84 |
#if SIZEOF_SHORT == 2 |
| 85 |
typedef unsigned short uint16; |
| 86 |
typedef short int16; |
| 87 |
#elif SIZEOF_INT == 2 |
| 88 |
typedef unsigned int uint16; |
| 89 |
typedef int int16; |
| 90 |
#else |
| 91 |
#error "No 2 byte type, you lose." |
| 92 |
#endif |
| 93 |
#if SIZEOF_INT == 4 |
| 94 |
typedef unsigned int uint32; |
| 95 |
typedef int int32; |
| 96 |
#elif SIZEOF_LONG == 4 |
| 97 |
typedef unsigned long uint32; |
| 98 |
typedef long int32; |
| 99 |
#else |
| 100 |
#error "No 4 byte type, you lose." |
| 101 |
#endif |
| 102 |
#if SIZEOF_LONG == 8 |
| 103 |
typedef unsigned long uint64; |
| 104 |
typedef long int64; |
| 105 |
#define VAL64(a) (a ## l) |
| 106 |
#define UVAL64(a) (a ## ul) |
| 107 |
#elif SIZEOF_LONG_LONG == 8 |
| 108 |
typedef unsigned long long uint64; |
| 109 |
typedef long long int64; |
| 110 |
#define VAL64(a) (a ## LL) |
| 111 |
#define UVAL64(a) (a ## uLL) |
| 112 |
#else |
| 113 |
#error "No 8 byte type, you lose." |
| 114 |
#endif |
| 115 |
#if SIZEOF_VOID_P == 4 |
| 116 |
typedef uint32 uintptr; |
| 117 |
typedef int32 intptr; |
| 118 |
#elif SIZEOF_VOID_P == 8 |
| 119 |
typedef uint64 uintptr; |
| 120 |
typedef int64 intptr; |
| 121 |
#else |
| 122 |
#error "Unsupported size of pointer" |
| 123 |
#endif |
| 124 |
|
| 125 |
|
| 126 |
/** |
| 127 |
* Helper functions to byteswap data |
| 128 |
**/ |
| 129 |
|
| 130 |
#if defined(__GNUC__) |
| 131 |
#if defined(__x86_64__) || defined(__i386__) |
| 132 |
// Linux/AMD64 currently has no asm optimized bswap_32() in <byteswap.h> |
| 133 |
#define opt_bswap_32 do_opt_bswap_32 |
| 134 |
static inline uint32 do_opt_bswap_32(uint32 x) |
| 135 |
{ |
| 136 |
uint32 v; |
| 137 |
__asm__ __volatile__ ("bswap %0" : "=r" (v) : "0" (x)); |
| 138 |
return v; |
| 139 |
} |
| 140 |
#endif |
| 141 |
#endif |
| 142 |
|
| 143 |
#ifdef opt_bswap_16 |
| 144 |
#undef bswap_16 |
| 145 |
#define bswap_16 opt_bswap_16 |
| 146 |
#endif |
| 147 |
#ifndef bswap_16 |
| 148 |
#define bswap_16 generic_bswap_16 |
| 149 |
#endif |
| 150 |
|
| 151 |
static inline uint16 generic_bswap_16(uint16 x) |
| 152 |
{ |
| 153 |
return ((x & 0xff) << 8) | ((x >> 8) & 0xff); |
| 154 |
} |
| 155 |
|
| 156 |
#ifdef opt_bswap_32 |
| 157 |
#undef bswap_32 |
| 158 |
#define bswap_32 opt_bswap_32 |
| 159 |
#endif |
| 160 |
#ifndef bswap_32 |
| 161 |
#define bswap_32 generic_bswap_32 |
| 162 |
#endif |
| 163 |
|
| 164 |
static inline uint32 generic_bswap_32(uint32 x) |
| 165 |
{ |
| 166 |
return (((x & 0xff000000) >> 24) | |
| 167 |
((x & 0x00ff0000) >> 8) | |
| 168 |
((x & 0x0000ff00) << 8) | |
| 169 |
((x & 0x000000ff) << 24) ); |
| 170 |
} |
| 171 |
|
| 172 |
#if defined(__i386__) |
| 173 |
#define opt_bswap_64 do_opt_bswap_64 |
| 174 |
static inline uint64 do_opt_bswap_64(uint64 x) |
| 175 |
{ |
| 176 |
return (bswap_32(x >> 32) | (((uint64)bswap_32((uint32)x)) << 32)); |
| 177 |
} |
| 178 |
#endif |
| 179 |
|
| 180 |
#ifdef opt_bswap_64 |
| 181 |
#undef bswap_64 |
| 182 |
#define bswap_64 opt_bswap_64 |
| 183 |
#endif |
| 184 |
#ifndef bswap_64 |
| 185 |
#define bswap_64 generic_bswap_64 |
| 186 |
#endif |
| 187 |
|
| 188 |
static inline uint64 generic_bswap_64(uint64 x) |
| 189 |
{ |
| 190 |
return (((x & UVAL64(0xff00000000000000)) >> 56) | |
| 191 |
((x & UVAL64(0x00ff000000000000)) >> 40) | |
| 192 |
((x & UVAL64(0x0000ff0000000000)) >> 24) | |
| 193 |
((x & UVAL64(0x000000ff00000000)) >> 8) | |
| 194 |
((x & UVAL64(0x00000000ff000000)) << 8) | |
| 195 |
((x & UVAL64(0x0000000000ff0000)) << 24) | |
| 196 |
((x & UVAL64(0x000000000000ff00)) << 40) | |
| 197 |
((x & UVAL64(0x00000000000000ff)) << 56) ); |
| 198 |
} |
| 199 |
|
| 200 |
#ifdef WORDS_BIGENDIAN |
| 201 |
static inline uint16 tswap16(uint16 x) { return x; } |
| 202 |
static inline uint32 tswap32(uint32 x) { return x; } |
| 203 |
static inline uint64 tswap64(uint64 x) { return x; } |
| 204 |
#else |
| 205 |
static inline uint16 tswap16(uint16 x) { return bswap_16(x); } |
| 206 |
static inline uint32 tswap32(uint32 x) { return bswap_32(x); } |
| 207 |
static inline uint64 tswap64(uint64 x) { return bswap_64(x); } |
| 208 |
#endif |
| 209 |
|
| 210 |
#define do_byteswap_16_g bswap_16 |
| 211 |
#define do_byteswap_16_c(x) \ |
| 212 |
((((x) >> 8) & 0xff) | (((x) & 0xff) << 8)) |
| 213 |
|
| 214 |
#define do_byteswap_32_g bswap_32 |
| 215 |
#define do_byteswap_32_c(x) \ |
| 216 |
((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \ |
| 217 |
(((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24)) |
| 218 |
|
| 219 |
#if defined(__GNUC__) |
| 220 |
#define do_byteswap_16(x) \ |
| 221 |
(__extension__ \ |
| 222 |
({ register uint16 __v, __x = (x); \ |
| 223 |
if (__builtin_constant_p(__x)) \ |
| 224 |
__v = do_byteswap_16_c(__x); \ |
| 225 |
else \ |
| 226 |
__v = do_byteswap_16_g(__x); \ |
| 227 |
__v; })) |
| 228 |
|
| 229 |
#define do_byteswap_32(x) \ |
| 230 |
(__extension__ \ |
| 231 |
({ register uint32 __v, __x = (x); \ |
| 232 |
if (__builtin_constant_p(__x)) \ |
| 233 |
__v = do_byteswap_32_c(__x); \ |
| 234 |
else \ |
| 235 |
__v = do_byteswap_32_g(__x); \ |
| 236 |
__v; })) |
| 237 |
#else |
| 238 |
#define do_byteswap_16(x) do_byteswap_16_g(x) |
| 239 |
#define do_byteswap_32(x) do_byteswap_32_g(x) |
| 240 |
#endif |
| 241 |
|
| 242 |
#if defined(__i386__) || defined(__x86_64__) |
| 243 |
#define ntohl(x) do_byteswap_32(x) |
| 244 |
#define ntohs(x) do_byteswap_16(x) |
| 245 |
#define htonl(x) do_byteswap_32(x) |
| 246 |
#define htons(x) do_byteswap_16(x) |
| 247 |
#endif |
| 248 |
|
| 249 |
|
| 250 |
/* |
| 251 |
* Spin locks |
| 252 |
*/ |
| 253 |
|
| 254 |
#ifdef __GNUC__ |
| 255 |
|
| 256 |
#if defined(__powerpc__) || defined(__ppc__) |
| 257 |
#define HAVE_TEST_AND_SET 1 |
| 258 |
static inline int testandset(volatile int *p) |
| 259 |
{ |
| 260 |
int ret; |
| 261 |
__asm__ __volatile__("0: lwarx %0,0,%1\n" |
| 262 |
" xor. %0,%3,%0\n" |
| 263 |
" bne 1f\n" |
| 264 |
" stwcx. %2,0,%1\n" |
| 265 |
" bne- 0b\n" |
| 266 |
"1: " |
| 267 |
: "=&r" (ret) |
| 268 |
: "r" (p), "r" (1), "r" (0) |
| 269 |
: "cr0", "memory"); |
| 270 |
return ret; |
| 271 |
} |
| 272 |
#endif |
| 273 |
|
| 274 |
#if defined(__i386__) || defined(__x86_64__) |
| 275 |
#define HAVE_TEST_AND_SET 1 |
| 276 |
static inline int testandset(volatile int *p) |
| 277 |
{ |
| 278 |
long int ret; |
| 279 |
/* Note: the "xchg" instruction does not need a "lock" prefix */ |
| 280 |
__asm__ __volatile__("xchgl %k0, %1" |
| 281 |
: "=r" (ret), "=m" (*p) |
| 282 |
: "0" (1), "m" (*p) |
| 283 |
: "memory"); |
| 284 |
return ret; |
| 285 |
} |
| 286 |
#endif |
| 287 |
|
| 288 |
#ifdef __alpha__ |
| 289 |
#define HAVE_TEST_AND_SET 1 |
| 290 |
static inline int testandset(volatile int *p) |
| 291 |
{ |
| 292 |
int ret; |
| 293 |
unsigned long one; |
| 294 |
|
| 295 |
__asm__ __volatile__("0: mov 1,%2\n" |
| 296 |
" ldl_l %0,%1\n" |
| 297 |
" stl_c %2,%1\n" |
| 298 |
" beq %2,1f\n" |
| 299 |
".subsection 2\n" |
| 300 |
"1: br 0b\n" |
| 301 |
".previous" |
| 302 |
: "=r" (ret), "=m" (*p), "=r" (one) |
| 303 |
: "m" (*p)); |
| 304 |
return ret; |
| 305 |
} |
| 306 |
#endif |
| 307 |
|
| 308 |
#endif /* __GNUC__ */ |
| 309 |
|
| 310 |
typedef volatile int spinlock_t; |
| 311 |
|
| 312 |
static const spinlock_t SPIN_LOCK_UNLOCKED = 0; |
| 313 |
|
| 314 |
#if HAVE_TEST_AND_SET |
| 315 |
#define HAVE_SPINLOCKS 1 |
| 316 |
static inline void spin_lock(spinlock_t *lock) |
| 317 |
{ |
| 318 |
while (testandset(lock)); |
| 319 |
} |
| 320 |
|
| 321 |
static inline void spin_unlock(spinlock_t *lock) |
| 322 |
{ |
| 323 |
*lock = 0; |
| 324 |
} |
| 325 |
|
| 326 |
static inline int spin_trylock(spinlock_t *lock) |
| 327 |
{ |
| 328 |
return !testandset(lock); |
| 329 |
} |
| 330 |
#else |
| 331 |
static inline void spin_lock(spinlock_t *lock) |
| 332 |
{ |
| 333 |
} |
| 334 |
|
| 335 |
static inline void spin_unlock(spinlock_t *lock) |
| 336 |
{ |
| 337 |
} |
| 338 |
|
| 339 |
static inline int spin_trylock(spinlock_t *lock) |
| 340 |
{ |
| 341 |
return 1; |
| 342 |
} |
| 343 |
#endif |
| 344 |
|
| 345 |
// Time data type for Time Manager emulation |
| 346 |
typedef int64 tm_time_t; |
| 347 |
|
| 348 |
// Timing functions |
| 349 |
extern void timer_init(void); |
| 350 |
extern uint64 GetTicks_usec(void); |
| 351 |
extern void Delay_usec(uint32 usec); |
| 352 |
|
| 353 |
// Various definitions |
| 354 |
typedef struct rgb_color { |
| 355 |
uint8 red; |
| 356 |
uint8 green; |
| 357 |
uint8 blue; |
| 358 |
uint8 alpha; |
| 359 |
} rgb_color; |
| 360 |
|
| 361 |
// Macro for calling MacOS routines |
| 362 |
#define CallMacOS(type, tvect) call_macos((uintptr)tvect) |
| 363 |
#define CallMacOS1(type, tvect, arg1) call_macos1((uintptr)tvect, (uintptr)arg1) |
| 364 |
#define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uintptr)tvect, (uintptr)arg1, (uintptr)arg2) |
| 365 |
#define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3) |
| 366 |
#define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4) |
| 367 |
#define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5) |
| 368 |
#define CallMacOS6(type, tvect, arg1, arg2, arg3, arg4, arg5, arg6) call_macos6((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5, (uintptr)arg6) |
| 369 |
#define CallMacOS7(type, tvect, arg1, arg2, arg3, arg4, arg5, arg6, arg7) call_macos7((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5, (uintptr)arg6, (uintptr)arg7) |
| 370 |
|
| 371 |
#ifdef __cplusplus |
| 372 |
extern "C" { |
| 373 |
#endif |
| 374 |
extern uint32 call_macos(uint32 tvect); |
| 375 |
extern uint32 call_macos1(uint32 tvect, uint32 arg1); |
| 376 |
extern uint32 call_macos2(uint32 tvect, uint32 arg1, uint32 arg2); |
| 377 |
extern uint32 call_macos3(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3); |
| 378 |
extern uint32 call_macos4(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4); |
| 379 |
extern uint32 call_macos5(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5); |
| 380 |
extern uint32 call_macos6(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6); |
| 381 |
extern uint32 call_macos7(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6, uint32 arg7); |
| 382 |
#ifdef __cplusplus |
| 383 |
} |
| 384 |
#endif |
| 385 |
|
| 386 |
// Misc platform specific definitions |
| 387 |
#ifdef __WIN32__ |
| 388 |
typedef int64 loff_t; |
| 389 |
#endif |
| 390 |
#define ATTRIBUTE_PACKED __attribute__((__packed__)) |
| 391 |
|
| 392 |
#endif |
