| 1 |
|
/* |
| 2 |
|
* sysdeps.h - System dependent definitions for Linux |
| 3 |
|
* |
| 4 |
< |
* SheepShaver (C) 1997-2004 Christian Bauer and Marc Hellwig |
| 4 |
> |
* SheepShaver (C) 1997-2008 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 |
+ |
#ifdef __MACH__ |
| 68 |
+ |
#include <mach/mach_types.h> |
| 69 |
+ |
#endif |
| 70 |
+ |
|
| 71 |
+ |
// Fix offsetof() on FreeBSD and GCC >= 3.4 |
| 72 |
+ |
#if defined(__FreeBSD__) && defined(__cplusplus) |
| 73 |
+ |
#undef offsetof |
| 74 |
+ |
/* The cast to "char &" below avoids problems with user-defined |
| 75 |
+ |
"operator &", which can appear in a POD type. */ |
| 76 |
+ |
#define offsetof(TYPE, MEMBER) \ |
| 77 |
+ |
(__offsetof__ (reinterpret_cast <size_t> \ |
| 78 |
+ |
(&reinterpret_cast <char &> \ |
| 79 |
+ |
(static_cast<TYPE *> (0)->MEMBER)))) |
| 80 |
+ |
#endif |
| 81 |
+ |
|
| 82 |
|
// Define for external components |
| 83 |
|
#define SHEEPSHAVER 1 |
| 84 |
|
|
| 85 |
< |
// Mac and host address space are the same |
| 85 |
> |
// Always use Real Addressing mode on native architectures |
| 86 |
> |
// Otherwise, use Direct Addressing mode if NATMEM_OFFSET is set |
| 87 |
> |
#if !defined(EMULATED_PPC) |
| 88 |
> |
#define REAL_ADDRESSING 1 |
| 89 |
> |
#include "ppc_asm.tmpl" |
| 90 |
> |
#elif defined(NATMEM_OFFSET) |
| 91 |
> |
#define DIRECT_ADDRESSING 1 |
| 92 |
> |
#else |
| 93 |
|
#define REAL_ADDRESSING 1 |
| 94 |
+ |
#endif |
| 95 |
+ |
|
| 96 |
+ |
// Always use the complete non-stubs Ethernet driver |
| 97 |
+ |
#define USE_ETHER_FULL_DRIVER 1 |
| 98 |
|
|
| 99 |
|
#define POWERPC_ROM 1 |
| 100 |
|
|
| 101 |
|
#if EMULATED_PPC |
| 75 |
– |
// Handle interrupts asynchronously? |
| 76 |
– |
#define ASYNC_IRQ 0 |
| 102 |
|
// Mac ROM is write protected when banked memory is used |
| 103 |
|
#if REAL_ADDRESSING || DIRECT_ADDRESSING |
| 104 |
|
# define ROM_IS_WRITE_PROTECTED 0 |
| 107 |
|
# define ROM_IS_WRITE_PROTECTED 1 |
| 108 |
|
#endif |
| 109 |
|
// Configure PowerPC emulator |
| 110 |
< |
#define PPC_CHECK_INTERRUPTS (ASYNC_IRQ ? 0 : 1) |
| 110 |
> |
#define PPC_REENTRANT_JIT 1 |
| 111 |
> |
#define PPC_CHECK_INTERRUPTS 1 |
| 112 |
|
#define PPC_DECODE_CACHE 1 |
| 113 |
|
#define PPC_FLIGHT_RECORDER 1 |
| 114 |
|
#define PPC_PROFILE_COMPILE_TIME 0 |
| 115 |
|
#define PPC_PROFILE_GENERIC_CALLS 0 |
| 116 |
+ |
#define PPC_PROFILE_REGS_USE 0 |
| 117 |
|
#define KPX_MAX_CPUS 1 |
| 118 |
+ |
#if ENABLE_DYNGEN |
| 119 |
+ |
#define PPC_ENABLE_JIT 1 |
| 120 |
+ |
#endif |
| 121 |
+ |
#if defined(__i386__) || defined(__x86_64__) |
| 122 |
+ |
#define DYNGEN_ASM_OPTS 1 |
| 123 |
+ |
#endif |
| 124 |
|
#else |
| 125 |
|
// Mac ROM is write protected |
| 126 |
|
#define ROM_IS_WRITE_PROTECTED 1 |
| 171 |
|
#error "Unsupported size of pointer" |
| 172 |
|
#endif |
| 173 |
|
|
| 174 |
+ |
// Define if the host processor supports fast unaligned load/stores |
| 175 |
+ |
#if defined __i386__ || defined __x86_64__ |
| 176 |
+ |
#define UNALIGNED_PROFITABLE 1 |
| 177 |
+ |
#endif |
| 178 |
+ |
|
| 179 |
+ |
|
| 180 |
|
/** |
| 181 |
|
* Helper functions to byteswap data |
| 182 |
|
**/ |
| 286 |
|
} |
| 287 |
|
#endif |
| 288 |
|
|
| 289 |
< |
#ifdef __i386__ |
| 289 |
> |
#if defined(__i386__) || defined(__x86_64__) |
| 290 |
|
#define HAVE_TEST_AND_SET 1 |
| 291 |
|
static inline int testandset(volatile int *p) |
| 292 |
|
{ |
| 293 |
< |
int ret; |
| 255 |
< |
long int readval; |
| 293 |
> |
long int ret; |
| 294 |
|
/* Note: the "xchg" instruction does not need a "lock" prefix */ |
| 295 |
< |
__asm__ __volatile__("xchgl %0, %1" |
| 296 |
< |
: "=r" (ret), "=m" (*p), "=a" (readval) |
| 295 |
> |
__asm__ __volatile__("xchgl %k0, %1" |
| 296 |
> |
: "=r" (ret), "=m" (*p) |
| 297 |
|
: "0" (1), "m" (*p) |
| 298 |
|
: "memory"); |
| 299 |
|
return ret; |
| 365 |
|
|
| 366 |
|
#endif /* __GNUC__ */ |
| 367 |
|
|
| 330 |
– |
#if HAVE_TEST_AND_SET |
| 331 |
– |
#define HAVE_SPINLOCKS 1 |
| 368 |
|
typedef volatile int spinlock_t; |
| 369 |
|
|
| 370 |
|
static const spinlock_t SPIN_LOCK_UNLOCKED = 0; |
| 371 |
|
|
| 372 |
+ |
#if defined(HAVE_TEST_AND_SET) && defined(HAVE_PTHREADS) |
| 373 |
+ |
// There is nothing to lock if we are not in an multithreaded environment |
| 374 |
+ |
#define HAVE_SPINLOCKS 1 |
| 375 |
|
static inline void spin_lock(spinlock_t *lock) |
| 376 |
|
{ |
| 377 |
|
while (testandset(lock)); |
| 386 |
|
{ |
| 387 |
|
return !testandset(lock); |
| 388 |
|
} |
| 389 |
+ |
#else |
| 390 |
+ |
static inline void spin_lock(spinlock_t *lock) |
| 391 |
+ |
{ |
| 392 |
+ |
} |
| 393 |
+ |
|
| 394 |
+ |
static inline void spin_unlock(spinlock_t *lock) |
| 395 |
+ |
{ |
| 396 |
+ |
} |
| 397 |
+ |
|
| 398 |
+ |
static inline int spin_trylock(spinlock_t *lock) |
| 399 |
+ |
{ |
| 400 |
+ |
return 1; |
| 401 |
+ |
} |
| 402 |
|
#endif |
| 403 |
|
|
| 404 |
|
// Time data type for Time Manager emulation |
| 405 |
|
#ifdef HAVE_CLOCK_GETTIME |
| 406 |
|
typedef struct timespec tm_time_t; |
| 407 |
+ |
#elif defined(__MACH__) |
| 408 |
+ |
typedef mach_timespec_t tm_time_t; |
| 409 |
|
#else |
| 410 |
|
typedef struct timeval tm_time_t; |
| 411 |
|
#endif |
| 412 |
|
|
| 413 |
+ |
/* Define codes for all the float formats that we know of. |
| 414 |
+ |
* Though we only handle IEEE format. */ |
| 415 |
+ |
#define UNKNOWN_FLOAT_FORMAT 0 |
| 416 |
+ |
#define IEEE_FLOAT_FORMAT 1 |
| 417 |
+ |
#define VAX_FLOAT_FORMAT 2 |
| 418 |
+ |
#define IBM_FLOAT_FORMAT 3 |
| 419 |
+ |
#define C4X_FLOAT_FORMAT 4 |
| 420 |
+ |
|
| 421 |
+ |
// High-precision timing |
| 422 |
+ |
#if defined(HAVE_PTHREADS) && defined(HAVE_CLOCK_NANOSLEEP) |
| 423 |
+ |
#define PRECISE_TIMING 1 |
| 424 |
+ |
#define PRECISE_TIMING_POSIX 1 |
| 425 |
+ |
#elif defined(HAVE_PTHREADS) && defined(__MACH__) |
| 426 |
+ |
#define PRECISE_TIMING 1 |
| 427 |
+ |
#define PRECISE_TIMING_MACH 1 |
| 428 |
+ |
#endif |
| 429 |
+ |
|
| 430 |
|
// Timing functions |
| 431 |
|
extern uint64 GetTicks_usec(void); |
| 432 |
|
extern void Delay_usec(uint32 usec); |
| 433 |
|
|
| 434 |
< |
#if defined(HAVE_PTHREADS) || (defined(__linux__) && defined(__powerpc__)) |
| 434 |
> |
#ifdef HAVE_PTHREADS |
| 435 |
|
// Setup pthread attributes |
| 436 |
|
extern void Set_pthread_attr(pthread_attr_t *attr, int priority); |
| 437 |
|
#endif |
| 445 |
|
} rgb_color; |
| 446 |
|
|
| 447 |
|
// X11 display fast locks |
| 448 |
< |
#ifdef HAVE_SPINLOCKS |
| 378 |
< |
#define X11_LOCK_TYPE spinlock_t |
| 379 |
< |
#define X11_LOCK_INIT SPIN_LOCK_UNLOCKED |
| 380 |
< |
#define XDisplayLock() spin_lock(&x_display_lock) |
| 381 |
< |
#define XDisplayUnlock() spin_unlock(&x_display_lock) |
| 382 |
< |
#elif defined(HAVE_PTHREADS) |
| 448 |
> |
#if defined(HAVE_PTHREADS) |
| 449 |
|
#define X11_LOCK_TYPE pthread_mutex_t |
| 450 |
|
#define X11_LOCK_INIT PTHREAD_MUTEX_INITIALIZER |
| 451 |
|
#define XDisplayLock() pthread_mutex_lock(&x_display_lock); |
| 452 |
|
#define XDisplayUnlock() pthread_mutex_unlock(&x_display_lock); |
| 453 |
+ |
#elif defined(HAVE_SPINLOCKS) |
| 454 |
+ |
#define X11_LOCK_TYPE spinlock_t |
| 455 |
+ |
#define X11_LOCK_INIT SPIN_LOCK_UNLOCKED |
| 456 |
+ |
#define XDisplayLock() spin_lock(&x_display_lock) |
| 457 |
+ |
#define XDisplayUnlock() spin_unlock(&x_display_lock) |
| 458 |
|
#else |
| 459 |
|
#define XDisplayLock() |
| 460 |
|
#define XDisplayUnlock() |
| 464 |
|
#endif |
| 465 |
|
|
| 466 |
|
// Macro for calling MacOS routines |
| 467 |
< |
#define CallMacOS(type, tvect) call_macos((uint32)tvect) |
| 468 |
< |
#define CallMacOS1(type, tvect, arg1) call_macos1((uint32)tvect, (uint32)arg1) |
| 469 |
< |
#define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uint32)tvect, (uint32)arg1, (uint32)arg2) |
| 470 |
< |
#define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3) |
| 471 |
< |
#define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4) |
| 472 |
< |
#define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4, (uint32)arg5) |
| 473 |
< |
#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) |
| 474 |
< |
#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) |
| 467 |
> |
#define CallMacOS(type, tvect) call_macos((uintptr)tvect) |
| 468 |
> |
#define CallMacOS1(type, tvect, arg1) call_macos1((uintptr)tvect, (uintptr)arg1) |
| 469 |
> |
#define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uintptr)tvect, (uintptr)arg1, (uintptr)arg2) |
| 470 |
> |
#define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3) |
| 471 |
> |
#define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4) |
| 472 |
> |
#define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5) |
| 473 |
> |
#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) |
| 474 |
> |
#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) |
| 475 |
|
|
| 476 |
|
#ifdef __cplusplus |
| 477 |
|
extern "C" { |
