| 1 |
|
/* |
| 2 |
|
* sysdeps.h - System dependent definitions for Linux |
| 3 |
|
* |
| 4 |
< |
* SheepShaver (C) 1997-2002 Christian Bauer and Marc Hellwig |
| 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 |
| 41 |
|
#include <assert.h> |
| 42 |
|
#include <stdio.h> |
| 43 |
|
#include <stdlib.h> |
| 44 |
+ |
#include <stddef.h> |
| 45 |
|
#include <string.h> |
| 46 |
|
#include <signal.h> |
| 47 |
|
|
| 48 |
+ |
#ifdef HAVE_PTHREADS |
| 49 |
+ |
# include <pthread.h> |
| 50 |
+ |
#endif |
| 51 |
+ |
|
| 52 |
|
#ifdef HAVE_FCNTL_H |
| 53 |
|
# include <fcntl.h> |
| 54 |
|
#endif |
| 64 |
|
# endif |
| 65 |
|
#endif |
| 66 |
|
|
| 67 |
+ |
// Fix offsetof() on FreeBSD and GCC >= 3.4 |
| 68 |
+ |
#if defined(__FreeBSD__) && defined(__cplusplus) |
| 69 |
+ |
#undef offsetof |
| 70 |
+ |
/* The cast to "char &" below avoids problems with user-defined |
| 71 |
+ |
"operator &", which can appear in a POD type. */ |
| 72 |
+ |
#define offsetof(TYPE, MEMBER) \ |
| 73 |
+ |
(__offsetof__ (reinterpret_cast <size_t> \ |
| 74 |
+ |
(&reinterpret_cast <char &> \ |
| 75 |
+ |
(static_cast<TYPE *> (0)->MEMBER)))) |
| 76 |
+ |
#endif |
| 77 |
+ |
|
| 78 |
|
// Define for external components |
| 79 |
|
#define SHEEPSHAVER 1 |
| 80 |
|
|
| 81 |
< |
// Mac and host address space are the same |
| 81 |
> |
// Always use Real Addressing mode on native architectures |
| 82 |
> |
// Otherwise, use Direct Addressing mode if NATMEM_OFFSET is set |
| 83 |
> |
#if !defined(EMULATED_PPC) |
| 84 |
|
#define REAL_ADDRESSING 1 |
| 85 |
+ |
#include "ppc_asm.tmpl" |
| 86 |
+ |
#elif defined(NATMEM_OFFSET) |
| 87 |
+ |
#define DIRECT_ADDRESSING 1 |
| 88 |
+ |
#else |
| 89 |
+ |
#define REAL_ADDRESSING 1 |
| 90 |
+ |
#endif |
| 91 |
|
|
| 92 |
|
#define POWERPC_ROM 1 |
| 93 |
|
|
| 94 |
|
#if EMULATED_PPC |
| 71 |
– |
// Handle interrupts asynchronously? |
| 72 |
– |
#define ASYNC_IRQ 0 |
| 95 |
|
// Mac ROM is write protected when banked memory is used |
| 96 |
|
#if REAL_ADDRESSING || DIRECT_ADDRESSING |
| 97 |
|
# define ROM_IS_WRITE_PROTECTED 0 |
| 100 |
|
# define ROM_IS_WRITE_PROTECTED 1 |
| 101 |
|
#endif |
| 102 |
|
// Configure PowerPC emulator |
| 103 |
< |
#define PPC_CHECK_INTERRUPTS (ASYNC_IRQ ? 0 : 1) |
| 103 |
> |
#define PPC_REENTRANT_JIT 1 |
| 104 |
> |
#define PPC_CHECK_INTERRUPTS 1 |
| 105 |
|
#define PPC_DECODE_CACHE 1 |
| 106 |
|
#define PPC_FLIGHT_RECORDER 1 |
| 107 |
|
#define PPC_PROFILE_COMPILE_TIME 0 |
| 108 |
|
#define PPC_PROFILE_GENERIC_CALLS 0 |
| 109 |
|
#define KPX_MAX_CPUS 1 |
| 110 |
+ |
#if ENABLE_DYNGEN |
| 111 |
+ |
// Don't bother with predecode cache when using JIT |
| 112 |
+ |
#define PPC_ENABLE_JIT 1 |
| 113 |
+ |
#undef PPC_DECODE_CACHE |
| 114 |
+ |
#endif |
| 115 |
+ |
#if defined(__i386__) |
| 116 |
+ |
#define DYNGEN_ASM_OPTS 1 |
| 117 |
+ |
#endif |
| 118 |
|
#else |
| 119 |
|
// Mac ROM is write protected |
| 120 |
|
#define ROM_IS_WRITE_PROTECTED 1 |
| 170 |
|
**/ |
| 171 |
|
|
| 172 |
|
#if defined(__GNUC__) |
| 173 |
< |
#if defined(__x86_64__) |
| 173 |
> |
#if defined(__x86_64__) || defined(__i386__) |
| 174 |
|
// Linux/AMD64 currently has no asm optimized bswap_32() in <byteswap.h> |
| 175 |
|
#define opt_bswap_32 do_opt_bswap_32 |
| 176 |
|
static inline uint32 do_opt_bswap_32(uint32 x) |
| 215 |
|
((x & 0x000000ff) << 24) ); |
| 216 |
|
} |
| 217 |
|
|
| 218 |
+ |
#if defined(__i386__) |
| 219 |
+ |
#define opt_bswap_64 do_opt_bswap_64 |
| 220 |
+ |
static inline uint64 do_opt_bswap_64(uint64 x) |
| 221 |
+ |
{ |
| 222 |
+ |
return (bswap_32(x >> 32) | (((uint64)bswap_32((uint32)x)) << 32)); |
| 223 |
+ |
} |
| 224 |
+ |
#endif |
| 225 |
+ |
|
| 226 |
|
#ifdef opt_bswap_64 |
| 227 |
|
#undef bswap_64 |
| 228 |
|
#define bswap_64 opt_bswap_64 |
| 256 |
|
// spin locks |
| 257 |
|
#ifdef __GNUC__ |
| 258 |
|
|
| 259 |
< |
#ifdef __powerpc__ |
| 259 |
> |
#if defined(__powerpc__) || defined(__ppc__) |
| 260 |
|
#define HAVE_TEST_AND_SET 1 |
| 261 |
< |
static inline int testandset(int *p) |
| 261 |
> |
static inline int testandset(volatile int *p) |
| 262 |
|
{ |
| 263 |
|
int ret; |
| 264 |
< |
__asm__ __volatile__("0: lwarx %0,0,%1 ;" |
| 265 |
< |
" xor. %0,%3,%0;" |
| 266 |
< |
" bne 1f;" |
| 267 |
< |
" stwcx. %2,0,%1;" |
| 268 |
< |
" bne- 0b;" |
| 264 |
> |
__asm__ __volatile__("0: lwarx %0,0,%1\n" |
| 265 |
> |
" xor. %0,%3,%0\n" |
| 266 |
> |
" bne 1f\n" |
| 267 |
> |
" stwcx. %2,0,%1\n" |
| 268 |
> |
" bne- 0b\n" |
| 269 |
|
"1: " |
| 270 |
|
: "=&r" (ret) |
| 271 |
|
: "r" (p), "r" (1), "r" (0) |
| 274 |
|
} |
| 275 |
|
#endif |
| 276 |
|
|
| 277 |
< |
#ifdef __i386__ |
| 277 |
> |
#if defined(__i386__) || defined(__x86_64__) |
| 278 |
|
#define HAVE_TEST_AND_SET 1 |
| 279 |
< |
static inline int testandset(int *p) |
| 279 |
> |
static inline int testandset(volatile int *p) |
| 280 |
|
{ |
| 281 |
< |
char ret; |
| 282 |
< |
long int readval; |
| 283 |
< |
|
| 284 |
< |
__asm__ __volatile__("lock; cmpxchgl %3, %1; sete %0" |
| 285 |
< |
: "=q" (ret), "=m" (*p), "=a" (readval) |
| 247 |
< |
: "r" (1), "m" (*p), "a" (0) |
| 281 |
> |
long int ret; |
| 282 |
> |
/* Note: the "xchg" instruction does not need a "lock" prefix */ |
| 283 |
> |
__asm__ __volatile__("xchgl %k0, %1" |
| 284 |
> |
: "=r" (ret), "=m" (*p) |
| 285 |
> |
: "0" (1), "m" (*p) |
| 286 |
|
: "memory"); |
| 287 |
|
return ret; |
| 288 |
|
} |
| 290 |
|
|
| 291 |
|
#ifdef __s390__ |
| 292 |
|
#define HAVE_TEST_AND_SET 1 |
| 293 |
< |
static inline int testandset(int *p) |
| 293 |
> |
static inline int testandset(volatile int *p) |
| 294 |
|
{ |
| 295 |
|
int ret; |
| 296 |
|
|
| 305 |
|
|
| 306 |
|
#ifdef __alpha__ |
| 307 |
|
#define HAVE_TEST_AND_SET 1 |
| 308 |
< |
static inline int testandset(int *p) |
| 308 |
> |
static inline int testandset(volatile int *p) |
| 309 |
|
{ |
| 310 |
|
int ret; |
| 311 |
|
unsigned long one; |
| 325 |
|
|
| 326 |
|
#ifdef __sparc__ |
| 327 |
|
#define HAVE_TEST_AND_SET 1 |
| 328 |
< |
static inline int testandset(int *p) |
| 328 |
> |
static inline int testandset(volatile int *p) |
| 329 |
|
{ |
| 330 |
|
int ret; |
| 331 |
|
|
| 340 |
|
|
| 341 |
|
#ifdef __arm__ |
| 342 |
|
#define HAVE_TEST_AND_SET 1 |
| 343 |
< |
static inline int testandset(int *p) |
| 343 |
> |
static inline int testandset(volatile int *p) |
| 344 |
|
{ |
| 345 |
|
register unsigned int ret; |
| 346 |
|
__asm__ __volatile__("swp %0, %1, [%2]" |
| 353 |
|
|
| 354 |
|
#endif /* __GNUC__ */ |
| 355 |
|
|
| 356 |
< |
#if HAVE_TEST_AND_SET |
| 319 |
< |
#define HAVE_SPINLOCKS 1 |
| 320 |
< |
typedef int spinlock_t; |
| 356 |
> |
typedef volatile int spinlock_t; |
| 357 |
|
|
| 358 |
|
static const spinlock_t SPIN_LOCK_UNLOCKED = 0; |
| 359 |
|
|
| 360 |
+ |
#if defined(HAVE_TEST_AND_SET) && defined(HAVE_PTHREADS) |
| 361 |
+ |
// There is nothing to lock if we are not in an multithreaded environment |
| 362 |
+ |
#define HAVE_SPINLOCKS 1 |
| 363 |
|
static inline void spin_lock(spinlock_t *lock) |
| 364 |
|
{ |
| 365 |
|
while (testandset(lock)); |
| 374 |
|
{ |
| 375 |
|
return !testandset(lock); |
| 376 |
|
} |
| 377 |
+ |
#else |
| 378 |
+ |
static inline void spin_lock(spinlock_t *lock) |
| 379 |
+ |
{ |
| 380 |
+ |
} |
| 381 |
+ |
|
| 382 |
+ |
static inline void spin_unlock(spinlock_t *lock) |
| 383 |
+ |
{ |
| 384 |
+ |
} |
| 385 |
+ |
|
| 386 |
+ |
static inline int spin_trylock(spinlock_t *lock) |
| 387 |
+ |
{ |
| 388 |
+ |
return 1; |
| 389 |
+ |
} |
| 390 |
|
#endif |
| 391 |
|
|
| 392 |
|
// Time data type for Time Manager emulation |
| 396 |
|
typedef struct timeval tm_time_t; |
| 397 |
|
#endif |
| 398 |
|
|
| 399 |
+ |
/* Define codes for all the float formats that we know of. |
| 400 |
+ |
* Though we only handle IEEE format. */ |
| 401 |
+ |
#define UNKNOWN_FLOAT_FORMAT 0 |
| 402 |
+ |
#define IEEE_FLOAT_FORMAT 1 |
| 403 |
+ |
#define VAX_FLOAT_FORMAT 2 |
| 404 |
+ |
#define IBM_FLOAT_FORMAT 3 |
| 405 |
+ |
#define C4X_FLOAT_FORMAT 4 |
| 406 |
+ |
|
| 407 |
+ |
// High-precision timing |
| 408 |
+ |
#if defined(HAVE_PTHREADS) && defined(HAVE_CLOCK_NANOSLEEP) |
| 409 |
+ |
#define PRECISE_TIMING 1 |
| 410 |
+ |
#define PRECISE_TIMING_POSIX 1 |
| 411 |
+ |
#endif |
| 412 |
+ |
|
| 413 |
|
// Timing functions |
| 414 |
|
extern uint64 GetTicks_usec(void); |
| 415 |
|
extern void Delay_usec(uint32 usec); |
| 416 |
|
|
| 417 |
+ |
#ifdef HAVE_PTHREADS |
| 418 |
|
// Setup pthread attributes |
| 419 |
|
extern void Set_pthread_attr(pthread_attr_t *attr, int priority); |
| 420 |
+ |
#endif |
| 421 |
|
|
| 422 |
|
// Various definitions |
| 423 |
|
typedef struct rgb_color { |
| 427 |
|
uint8 alpha; |
| 428 |
|
} rgb_color; |
| 429 |
|
|
| 430 |
+ |
// X11 display fast locks |
| 431 |
+ |
#if defined(HAVE_PTHREADS) |
| 432 |
+ |
#define X11_LOCK_TYPE pthread_mutex_t |
| 433 |
+ |
#define X11_LOCK_INIT PTHREAD_MUTEX_INITIALIZER |
| 434 |
+ |
#define XDisplayLock() pthread_mutex_lock(&x_display_lock); |
| 435 |
+ |
#define XDisplayUnlock() pthread_mutex_unlock(&x_display_lock); |
| 436 |
+ |
#elif defined(HAVE_SPINLOCKS) |
| 437 |
+ |
#define X11_LOCK_TYPE spinlock_t |
| 438 |
+ |
#define X11_LOCK_INIT SPIN_LOCK_UNLOCKED |
| 439 |
+ |
#define XDisplayLock() spin_lock(&x_display_lock) |
| 440 |
+ |
#define XDisplayUnlock() spin_unlock(&x_display_lock) |
| 441 |
+ |
#else |
| 442 |
+ |
#define XDisplayLock() |
| 443 |
+ |
#define XDisplayUnlock() |
| 444 |
+ |
#endif |
| 445 |
+ |
#ifdef X11_LOCK_TYPE |
| 446 |
+ |
extern X11_LOCK_TYPE x_display_lock; |
| 447 |
+ |
#endif |
| 448 |
+ |
|
| 449 |
|
// Macro for calling MacOS routines |
| 450 |
< |
#define CallMacOS(type, tvect) call_macos((uint32)tvect) |
| 451 |
< |
#define CallMacOS1(type, tvect, arg1) call_macos1((uint32)tvect, (uint32)arg1) |
| 452 |
< |
#define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uint32)tvect, (uint32)arg1, (uint32)arg2) |
| 453 |
< |
#define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3) |
| 454 |
< |
#define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4) |
| 455 |
< |
#define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4, (uint32)arg5) |
| 456 |
< |
#define CallMacOS6(type, tvect, arg1, arg2, arg3, arg4, arg5, arg6) call_macos6((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4, (uint32)arg5, (uint32)arg6) |
| 457 |
< |
#define CallMacOS7(type, tvect, arg1, arg2, arg3, arg4, arg5, arg6, arg7) call_macos7((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4, (uint32)arg5, (uint32)arg6, (uint32)arg7) |
| 450 |
> |
#define CallMacOS(type, tvect) call_macos((uintptr)tvect) |
| 451 |
> |
#define CallMacOS1(type, tvect, arg1) call_macos1((uintptr)tvect, (uintptr)arg1) |
| 452 |
> |
#define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uintptr)tvect, (uintptr)arg1, (uintptr)arg2) |
| 453 |
> |
#define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3) |
| 454 |
> |
#define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4) |
| 455 |
> |
#define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5) |
| 456 |
> |
#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) |
| 457 |
> |
#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) |
| 458 |
|
|
| 459 |
|
#ifdef __cplusplus |
| 460 |
|
extern "C" { |
