| 1 |
|
/* |
| 2 |
|
* sysdeps.h - System dependent definitions for Linux |
| 3 |
|
* |
| 4 |
< |
* SheepShaver (C) 1997-2004 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 |
|
|
| 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 |
|
// Always use Real Addressing mode on native architectures |
| 82 |
|
// Otherwise, use Direct Addressing mode if NATMEM_OFFSET is set |
| 83 |
< |
#if NATMEM_OFFSET == 0 || EMULATED_PPC == 0 |
| 83 |
> |
#if !defined(EMULATED_PPC) |
| 84 |
|
#define REAL_ADDRESSING 1 |
| 85 |
< |
#else |
| 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 |
| 274 |
|
} |
| 275 |
|
#endif |
| 276 |
|
|
| 277 |
< |
/* FIXME: SheepShaver occasionnally hangs with those locks */ |
| 263 |
< |
#if 0 && (defined(__i386__) || defined(__x86_64__)) |
| 277 |
> |
#if defined(__i386__) || defined(__x86_64__) |
| 278 |
|
#define HAVE_TEST_AND_SET 1 |
| 279 |
|
static inline int testandset(volatile int *p) |
| 280 |
|
{ |
| 357 |
|
|
| 358 |
|
static const spinlock_t SPIN_LOCK_UNLOCKED = 0; |
| 359 |
|
|
| 360 |
< |
#if HAVE_TEST_AND_SET |
| 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 |
|
{ |
| 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 |
< |
#if defined(HAVE_PTHREADS) || (defined(__linux__) && defined(__powerpc__)) |
| 417 |
> |
#ifdef HAVE_PTHREADS |
| 418 |
|
// Setup pthread attributes |
| 419 |
|
extern void Set_pthread_attr(pthread_attr_t *attr, int priority); |
| 420 |
|
#endif |
| 428 |
|
} rgb_color; |
| 429 |
|
|
| 430 |
|
// X11 display fast locks |
| 431 |
< |
#ifdef HAVE_SPINLOCKS |
| 403 |
< |
#define X11_LOCK_TYPE spinlock_t |
| 404 |
< |
#define X11_LOCK_INIT SPIN_LOCK_UNLOCKED |
| 405 |
< |
#define XDisplayLock() spin_lock(&x_display_lock) |
| 406 |
< |
#define XDisplayUnlock() spin_unlock(&x_display_lock) |
| 407 |
< |
#elif defined(HAVE_PTHREADS) |
| 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() |
