| 1 |
/*
|
| 2 |
* sysdeps.h - System dependent definitions for Linux
|
| 3 |
*
|
| 4 |
* SheepShaver (C) 1997-2004 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_unix.h"
|
| 30 |
|
| 31 |
#ifndef STDC_HEADERS
|
| 32 |
#error "You don't have ANSI C header files."
|
| 33 |
#endif
|
| 34 |
|
| 35 |
#ifdef HAVE_UNISTD_H
|
| 36 |
# include <sys/types.h>
|
| 37 |
# include <unistd.h>
|
| 38 |
#endif
|
| 39 |
|
| 40 |
#include <netinet/in.h>
|
| 41 |
#include <assert.h>
|
| 42 |
#include <stdio.h>
|
| 43 |
#include <stdlib.h>
|
| 44 |
#include <string.h>
|
| 45 |
#include <signal.h>
|
| 46 |
|
| 47 |
#ifdef HAVE_PTHREADS
|
| 48 |
# include <pthread.h>
|
| 49 |
#endif
|
| 50 |
|
| 51 |
#ifdef HAVE_FCNTL_H
|
| 52 |
# include <fcntl.h>
|
| 53 |
#endif
|
| 54 |
|
| 55 |
#ifdef TIME_WITH_SYS_TIME
|
| 56 |
# include <sys/time.h>
|
| 57 |
# include <time.h>
|
| 58 |
#else
|
| 59 |
# ifdef HAVE_SYS_TIME_H
|
| 60 |
# include <sys/time.h>
|
| 61 |
# else
|
| 62 |
# include <time.h>
|
| 63 |
# endif
|
| 64 |
#endif
|
| 65 |
|
| 66 |
// Define for external components
|
| 67 |
#define SHEEPSHAVER 1
|
| 68 |
|
| 69 |
// Always use Real Addressing mode on native architectures
|
| 70 |
// Otherwise, use Direct Addressing mode if NATMEM_OFFSET is set
|
| 71 |
#if NATMEM_OFFSET == 0 || EMULATED_PPC == 0
|
| 72 |
#define REAL_ADDRESSING 1
|
| 73 |
#else
|
| 74 |
#define DIRECT_ADDRESSING 1
|
| 75 |
#endif
|
| 76 |
|
| 77 |
#define POWERPC_ROM 1
|
| 78 |
|
| 79 |
#if EMULATED_PPC
|
| 80 |
// Mac ROM is write protected when banked memory is used
|
| 81 |
#if REAL_ADDRESSING || DIRECT_ADDRESSING
|
| 82 |
# define ROM_IS_WRITE_PROTECTED 0
|
| 83 |
# define USE_SCRATCHMEM_SUBTERFUGE 1
|
| 84 |
#else
|
| 85 |
# define ROM_IS_WRITE_PROTECTED 1
|
| 86 |
#endif
|
| 87 |
// Configure PowerPC emulator
|
| 88 |
#define PPC_REENTRANT_JIT 1
|
| 89 |
#define PPC_CHECK_INTERRUPTS 1
|
| 90 |
#define PPC_DECODE_CACHE 1
|
| 91 |
#define PPC_FLIGHT_RECORDER 1
|
| 92 |
#define PPC_PROFILE_COMPILE_TIME 0
|
| 93 |
#define PPC_PROFILE_GENERIC_CALLS 0
|
| 94 |
#define KPX_MAX_CPUS 1
|
| 95 |
#if ENABLE_DYNGEN
|
| 96 |
// Don't bother with predecode cache when using JIT
|
| 97 |
#define PPC_ENABLE_JIT 1
|
| 98 |
#undef PPC_DECODE_CACHE
|
| 99 |
#endif
|
| 100 |
#if defined(__i386__)
|
| 101 |
#define DYNGEN_ASM_OPTS 1
|
| 102 |
#endif
|
| 103 |
#else
|
| 104 |
// Mac ROM is write protected
|
| 105 |
#define ROM_IS_WRITE_PROTECTED 1
|
| 106 |
#define USE_SCRATCHMEM_SUBTERFUGE 0
|
| 107 |
#endif
|
| 108 |
|
| 109 |
// Data types
|
| 110 |
typedef unsigned char uint8;
|
| 111 |
typedef signed char int8;
|
| 112 |
#if SIZEOF_SHORT == 2
|
| 113 |
typedef unsigned short uint16;
|
| 114 |
typedef short int16;
|
| 115 |
#elif SIZEOF_INT == 2
|
| 116 |
typedef unsigned int uint16;
|
| 117 |
typedef int int16;
|
| 118 |
#else
|
| 119 |
#error "No 2 byte type, you lose."
|
| 120 |
#endif
|
| 121 |
#if SIZEOF_INT == 4
|
| 122 |
typedef unsigned int uint32;
|
| 123 |
typedef int int32;
|
| 124 |
#elif SIZEOF_LONG == 4
|
| 125 |
typedef unsigned long uint32;
|
| 126 |
typedef long int32;
|
| 127 |
#else
|
| 128 |
#error "No 4 byte type, you lose."
|
| 129 |
#endif
|
| 130 |
#if SIZEOF_LONG == 8
|
| 131 |
typedef unsigned long uint64;
|
| 132 |
typedef long int64;
|
| 133 |
#define VAL64(a) (a ## l)
|
| 134 |
#define UVAL64(a) (a ## ul)
|
| 135 |
#elif SIZEOF_LONG_LONG == 8
|
| 136 |
typedef unsigned long long uint64;
|
| 137 |
typedef long long int64;
|
| 138 |
#define VAL64(a) (a ## LL)
|
| 139 |
#define UVAL64(a) (a ## uLL)
|
| 140 |
#else
|
| 141 |
#error "No 8 byte type, you lose."
|
| 142 |
#endif
|
| 143 |
#if SIZEOF_VOID_P == 4
|
| 144 |
typedef uint32 uintptr;
|
| 145 |
typedef int32 intptr;
|
| 146 |
#elif SIZEOF_VOID_P == 8
|
| 147 |
typedef uint64 uintptr;
|
| 148 |
typedef int64 intptr;
|
| 149 |
#else
|
| 150 |
#error "Unsupported size of pointer"
|
| 151 |
#endif
|
| 152 |
|
| 153 |
/**
|
| 154 |
* Helper functions to byteswap data
|
| 155 |
**/
|
| 156 |
|
| 157 |
#if defined(__GNUC__)
|
| 158 |
#if defined(__x86_64__) || defined(__i386__)
|
| 159 |
// Linux/AMD64 currently has no asm optimized bswap_32() in <byteswap.h>
|
| 160 |
#define opt_bswap_32 do_opt_bswap_32
|
| 161 |
static inline uint32 do_opt_bswap_32(uint32 x)
|
| 162 |
{
|
| 163 |
uint32 v;
|
| 164 |
__asm__ __volatile__ ("bswap %0" : "=r" (v) : "0" (x));
|
| 165 |
return v;
|
| 166 |
}
|
| 167 |
#endif
|
| 168 |
#endif
|
| 169 |
|
| 170 |
#ifdef HAVE_BYTESWAP_H
|
| 171 |
#include <byteswap.h>
|
| 172 |
#endif
|
| 173 |
|
| 174 |
#ifdef opt_bswap_16
|
| 175 |
#undef bswap_16
|
| 176 |
#define bswap_16 opt_bswap_16
|
| 177 |
#endif
|
| 178 |
#ifndef bswap_16
|
| 179 |
#define bswap_16 generic_bswap_16
|
| 180 |
#endif
|
| 181 |
|
| 182 |
static inline uint16 generic_bswap_16(uint16 x)
|
| 183 |
{
|
| 184 |
return ((x & 0xff) << 8) | ((x >> 8) & 0xff);
|
| 185 |
}
|
| 186 |
|
| 187 |
#ifdef opt_bswap_32
|
| 188 |
#undef bswap_32
|
| 189 |
#define bswap_32 opt_bswap_32
|
| 190 |
#endif
|
| 191 |
#ifndef bswap_32
|
| 192 |
#define bswap_32 generic_bswap_32
|
| 193 |
#endif
|
| 194 |
|
| 195 |
static inline uint32 generic_bswap_32(uint32 x)
|
| 196 |
{
|
| 197 |
return (((x & 0xff000000) >> 24) |
|
| 198 |
((x & 0x00ff0000) >> 8) |
|
| 199 |
((x & 0x0000ff00) << 8) |
|
| 200 |
((x & 0x000000ff) << 24) );
|
| 201 |
}
|
| 202 |
|
| 203 |
#if defined(__i386__)
|
| 204 |
#define opt_bswap_64 do_opt_bswap_64
|
| 205 |
static inline uint64 do_opt_bswap_64(uint64 x)
|
| 206 |
{
|
| 207 |
return (bswap_32(x >> 32) | (((uint64)bswap_32((uint32)x)) << 32));
|
| 208 |
}
|
| 209 |
#endif
|
| 210 |
|
| 211 |
#ifdef opt_bswap_64
|
| 212 |
#undef bswap_64
|
| 213 |
#define bswap_64 opt_bswap_64
|
| 214 |
#endif
|
| 215 |
#ifndef bswap_64
|
| 216 |
#define bswap_64 generic_bswap_64
|
| 217 |
#endif
|
| 218 |
|
| 219 |
static inline uint64 generic_bswap_64(uint64 x)
|
| 220 |
{
|
| 221 |
return (((x & UVAL64(0xff00000000000000)) >> 56) |
|
| 222 |
((x & UVAL64(0x00ff000000000000)) >> 40) |
|
| 223 |
((x & UVAL64(0x0000ff0000000000)) >> 24) |
|
| 224 |
((x & UVAL64(0x000000ff00000000)) >> 8) |
|
| 225 |
((x & UVAL64(0x00000000ff000000)) << 8) |
|
| 226 |
((x & UVAL64(0x0000000000ff0000)) << 24) |
|
| 227 |
((x & UVAL64(0x000000000000ff00)) << 40) |
|
| 228 |
((x & UVAL64(0x00000000000000ff)) << 56) );
|
| 229 |
}
|
| 230 |
|
| 231 |
#ifdef WORDS_BIGENDIAN
|
| 232 |
static inline uint16 tswap16(uint16 x) { return x; }
|
| 233 |
static inline uint32 tswap32(uint32 x) { return x; }
|
| 234 |
static inline uint64 tswap64(uint64 x) { return x; }
|
| 235 |
#else
|
| 236 |
static inline uint16 tswap16(uint16 x) { return bswap_16(x); }
|
| 237 |
static inline uint32 tswap32(uint32 x) { return bswap_32(x); }
|
| 238 |
static inline uint64 tswap64(uint64 x) { return bswap_64(x); }
|
| 239 |
#endif
|
| 240 |
|
| 241 |
// spin locks
|
| 242 |
#ifdef __GNUC__
|
| 243 |
|
| 244 |
#if defined(__powerpc__) || defined(__ppc__)
|
| 245 |
#define HAVE_TEST_AND_SET 1
|
| 246 |
static inline int testandset(volatile int *p)
|
| 247 |
{
|
| 248 |
int ret;
|
| 249 |
__asm__ __volatile__("0: lwarx %0,0,%1\n"
|
| 250 |
" xor. %0,%3,%0\n"
|
| 251 |
" bne 1f\n"
|
| 252 |
" stwcx. %2,0,%1\n"
|
| 253 |
" bne- 0b\n"
|
| 254 |
"1: "
|
| 255 |
: "=&r" (ret)
|
| 256 |
: "r" (p), "r" (1), "r" (0)
|
| 257 |
: "cr0", "memory");
|
| 258 |
return ret;
|
| 259 |
}
|
| 260 |
#endif
|
| 261 |
|
| 262 |
/* FIXME: SheepShaver occasionnally hangs with those locks */
|
| 263 |
#if 0 && (defined(__i386__) || defined(__x86_64__))
|
| 264 |
#define HAVE_TEST_AND_SET 1
|
| 265 |
static inline int testandset(volatile int *p)
|
| 266 |
{
|
| 267 |
long int ret;
|
| 268 |
/* Note: the "xchg" instruction does not need a "lock" prefix */
|
| 269 |
__asm__ __volatile__("xchgl %k0, %1"
|
| 270 |
: "=r" (ret), "=m" (*p)
|
| 271 |
: "0" (1), "m" (*p)
|
| 272 |
: "memory");
|
| 273 |
return ret;
|
| 274 |
}
|
| 275 |
#endif
|
| 276 |
|
| 277 |
#ifdef __s390__
|
| 278 |
#define HAVE_TEST_AND_SET 1
|
| 279 |
static inline int testandset(volatile int *p)
|
| 280 |
{
|
| 281 |
int ret;
|
| 282 |
|
| 283 |
__asm__ __volatile__("0: cs %0,%1,0(%2)\n"
|
| 284 |
" jl 0b"
|
| 285 |
: "=&d" (ret)
|
| 286 |
: "r" (1), "a" (p), "0" (*p)
|
| 287 |
: "cc", "memory" );
|
| 288 |
return ret;
|
| 289 |
}
|
| 290 |
#endif
|
| 291 |
|
| 292 |
#ifdef __alpha__
|
| 293 |
#define HAVE_TEST_AND_SET 1
|
| 294 |
static inline int testandset(volatile int *p)
|
| 295 |
{
|
| 296 |
int ret;
|
| 297 |
unsigned long one;
|
| 298 |
|
| 299 |
__asm__ __volatile__("0: mov 1,%2\n"
|
| 300 |
" ldl_l %0,%1\n"
|
| 301 |
" stl_c %2,%1\n"
|
| 302 |
" beq %2,1f\n"
|
| 303 |
".subsection 2\n"
|
| 304 |
"1: br 0b\n"
|
| 305 |
".previous"
|
| 306 |
: "=r" (ret), "=m" (*p), "=r" (one)
|
| 307 |
: "m" (*p));
|
| 308 |
return ret;
|
| 309 |
}
|
| 310 |
#endif
|
| 311 |
|
| 312 |
#ifdef __sparc__
|
| 313 |
#define HAVE_TEST_AND_SET 1
|
| 314 |
static inline int testandset(volatile int *p)
|
| 315 |
{
|
| 316 |
int ret;
|
| 317 |
|
| 318 |
__asm__ __volatile__("ldstub [%1], %0"
|
| 319 |
: "=r" (ret)
|
| 320 |
: "r" (p)
|
| 321 |
: "memory");
|
| 322 |
|
| 323 |
return (ret ? 1 : 0);
|
| 324 |
}
|
| 325 |
#endif
|
| 326 |
|
| 327 |
#ifdef __arm__
|
| 328 |
#define HAVE_TEST_AND_SET 1
|
| 329 |
static inline int testandset(volatile int *p)
|
| 330 |
{
|
| 331 |
register unsigned int ret;
|
| 332 |
__asm__ __volatile__("swp %0, %1, [%2]"
|
| 333 |
: "=r"(ret)
|
| 334 |
: "0"(1), "r"(p));
|
| 335 |
|
| 336 |
return ret;
|
| 337 |
}
|
| 338 |
#endif
|
| 339 |
|
| 340 |
#endif /* __GNUC__ */
|
| 341 |
|
| 342 |
typedef volatile int spinlock_t;
|
| 343 |
|
| 344 |
static const spinlock_t SPIN_LOCK_UNLOCKED = 0;
|
| 345 |
|
| 346 |
#if HAVE_TEST_AND_SET
|
| 347 |
#define HAVE_SPINLOCKS 1
|
| 348 |
static inline void spin_lock(spinlock_t *lock)
|
| 349 |
{
|
| 350 |
while (testandset(lock));
|
| 351 |
}
|
| 352 |
|
| 353 |
static inline void spin_unlock(spinlock_t *lock)
|
| 354 |
{
|
| 355 |
*lock = 0;
|
| 356 |
}
|
| 357 |
|
| 358 |
static inline int spin_trylock(spinlock_t *lock)
|
| 359 |
{
|
| 360 |
return !testandset(lock);
|
| 361 |
}
|
| 362 |
#else
|
| 363 |
static inline void spin_lock(spinlock_t *lock)
|
| 364 |
{
|
| 365 |
}
|
| 366 |
|
| 367 |
static inline void spin_unlock(spinlock_t *lock)
|
| 368 |
{
|
| 369 |
}
|
| 370 |
|
| 371 |
static inline int spin_trylock(spinlock_t *lock)
|
| 372 |
{
|
| 373 |
return 1;
|
| 374 |
}
|
| 375 |
#endif
|
| 376 |
|
| 377 |
// Time data type for Time Manager emulation
|
| 378 |
#ifdef HAVE_CLOCK_GETTIME
|
| 379 |
typedef struct timespec tm_time_t;
|
| 380 |
#else
|
| 381 |
typedef struct timeval tm_time_t;
|
| 382 |
#endif
|
| 383 |
|
| 384 |
// Timing functions
|
| 385 |
extern uint64 GetTicks_usec(void);
|
| 386 |
extern void Delay_usec(uint32 usec);
|
| 387 |
|
| 388 |
#if defined(HAVE_PTHREADS) || (defined(__linux__) && defined(__powerpc__))
|
| 389 |
// Setup pthread attributes
|
| 390 |
extern void Set_pthread_attr(pthread_attr_t *attr, int priority);
|
| 391 |
#endif
|
| 392 |
|
| 393 |
// Various definitions
|
| 394 |
typedef struct rgb_color {
|
| 395 |
uint8 red;
|
| 396 |
uint8 green;
|
| 397 |
uint8 blue;
|
| 398 |
uint8 alpha;
|
| 399 |
} rgb_color;
|
| 400 |
|
| 401 |
// X11 display fast locks
|
| 402 |
#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)
|
| 408 |
#define X11_LOCK_TYPE pthread_mutex_t
|
| 409 |
#define X11_LOCK_INIT PTHREAD_MUTEX_INITIALIZER
|
| 410 |
#define XDisplayLock() pthread_mutex_lock(&x_display_lock);
|
| 411 |
#define XDisplayUnlock() pthread_mutex_unlock(&x_display_lock);
|
| 412 |
#else
|
| 413 |
#define XDisplayLock()
|
| 414 |
#define XDisplayUnlock()
|
| 415 |
#endif
|
| 416 |
#ifdef X11_LOCK_TYPE
|
| 417 |
extern X11_LOCK_TYPE x_display_lock;
|
| 418 |
#endif
|
| 419 |
|
| 420 |
// Macro for calling MacOS routines
|
| 421 |
#define CallMacOS(type, tvect) call_macos((uintptr)tvect)
|
| 422 |
#define CallMacOS1(type, tvect, arg1) call_macos1((uintptr)tvect, (uintptr)arg1)
|
| 423 |
#define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uintptr)tvect, (uintptr)arg1, (uintptr)arg2)
|
| 424 |
#define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3)
|
| 425 |
#define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4)
|
| 426 |
#define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5)
|
| 427 |
#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)
|
| 428 |
#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)
|
| 429 |
|
| 430 |
#ifdef __cplusplus
|
| 431 |
extern "C" {
|
| 432 |
#endif
|
| 433 |
extern uint32 call_macos(uint32 tvect);
|
| 434 |
extern uint32 call_macos1(uint32 tvect, uint32 arg1);
|
| 435 |
extern uint32 call_macos2(uint32 tvect, uint32 arg1, uint32 arg2);
|
| 436 |
extern uint32 call_macos3(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3);
|
| 437 |
extern uint32 call_macos4(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4);
|
| 438 |
extern uint32 call_macos5(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5);
|
| 439 |
extern uint32 call_macos6(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6);
|
| 440 |
extern uint32 call_macos7(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6, uint32 arg7);
|
| 441 |
#ifdef __cplusplus
|
| 442 |
}
|
| 443 |
#endif
|
| 444 |
|
| 445 |
#endif
|
Parent Directory
| 
Revision Log