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root/cebix/SheepShaver/src/Unix/sysdeps.h
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Comparing SheepShaver/src/Unix/sysdeps.h (file contents):
Revision 1.41 by gbeauche, 2005-03-27T13:41:46Z vs.
Revision 1.49 by gbeauche, 2005-11-27T16:20:17Z

# Line 83 | Line 83
83   #if !defined(EMULATED_PPC)
84   #define REAL_ADDRESSING 1
85   #include "ppc_asm.tmpl"
86 #elif defined(__CYGWIN__)
87 #define DIRECT_ADDRESSING 1
88 #define DIRECT_ADDRESSING_HACK 1
89 /*
90  The following address translation functions were empirically
91  determined on a Windows XP system running Cygwin 1.5.12-1 so
92  that RAM size can be maximized (up to 960 MB) and avoiding
93  the use of a TLB. This also takes into account reduced address
94  space available when the Cygwin runtime is used.
95 */
96 #define DIRECT_ADDRESSING_VIRT2PHYS(ADDR) \
97        ((ADDR) + (((ADDR)  < 0x41000000) ? 0x39000000 : 0xcf800000))
98 #define DIRECT_ADDRESSING_PHYS2VIRT(ADDR) \
99        ((ADDR) - (((ADDR) >= 0x39000000) ? 0x39000000 : 0xcf800000))
86   #elif defined(NATMEM_OFFSET)
87   #define DIRECT_ADDRESSING 1
88   #else
89   #define REAL_ADDRESSING 1
90   #endif
91  
92 + // Always use the complete non-stubs Ethernet driver
93 + #if DIRECT_ADDRESSING
94 + #define USE_ETHER_FULL_DRIVER 1
95 + #endif
96 +
97   #define POWERPC_ROM 1
98  
99   #if EMULATED_PPC
# Line 122 | Line 113
113   #define PPC_PROFILE_GENERIC_CALLS 0
114   #define KPX_MAX_CPUS 1
115   #if ENABLE_DYNGEN
125 // Don't bother with predecode cache when using JIT
116   #define PPC_ENABLE_JIT 1
127 #undef  PPC_DECODE_CACHE
117   #endif
118   #if defined(__i386__)
119   #define DYNGEN_ASM_OPTS 1
# Line 288 | Line 277 | static inline int testandset(volatile in
277   }
278   #endif
279  
280 < /* FIXME: SheepShaver occasionnally hangs with those locks */
292 < #if 0 && (defined(__i386__) || defined(__x86_64__))
280 > #if defined(__i386__) || defined(__x86_64__)
281   #define HAVE_TEST_AND_SET 1
282   static inline int testandset(volatile int *p)
283   {
# Line 372 | Line 360 | typedef volatile int spinlock_t;
360  
361   static const spinlock_t SPIN_LOCK_UNLOCKED = 0;
362  
363 < #if HAVE_TEST_AND_SET
363 > #if defined(HAVE_TEST_AND_SET) && defined(HAVE_PTHREADS)
364 > // There is nothing to lock if we are not in an multithreaded environment
365   #define HAVE_SPINLOCKS 1
366   static inline void spin_lock(spinlock_t *lock)
367   {
# Line 410 | Line 399 | typedef struct timespec tm_time_t;
399   typedef struct timeval tm_time_t;
400   #endif
401  
402 + /* Define codes for all the float formats that we know of.
403 + * Though we only handle IEEE format.  */
404 + #define UNKNOWN_FLOAT_FORMAT 0
405 + #define IEEE_FLOAT_FORMAT 1
406 + #define VAX_FLOAT_FORMAT 2
407 + #define IBM_FLOAT_FORMAT 3
408 + #define C4X_FLOAT_FORMAT 4
409 +
410   // High-precision timing
411 < #if defined(HAVE_PTHREADS) && defined(HAVE_CLOCK_NANOSLEEP) && 0
411 > #if defined(HAVE_PTHREADS) && defined(HAVE_CLOCK_NANOSLEEP)
412   #define PRECISE_TIMING 1
413   #define PRECISE_TIMING_POSIX 1
414   #endif
# Line 420 | Line 417 | typedef struct timeval tm_time_t;
417   extern uint64 GetTicks_usec(void);
418   extern void Delay_usec(uint32 usec);
419  
420 < #if defined(HAVE_PTHREADS) || ((defined(__linux__) || defined(__NetBSD__)) && defined(__powerpc__))
420 > #ifdef HAVE_PTHREADS
421   // Setup pthread attributes
422   extern void Set_pthread_attr(pthread_attr_t *attr, int priority);
423   #endif
# Line 434 | Line 431 | typedef struct rgb_color {
431   } rgb_color;
432  
433   // X11 display fast locks
434 < #ifdef HAVE_SPINLOCKS
438 < #define X11_LOCK_TYPE spinlock_t
439 < #define X11_LOCK_INIT SPIN_LOCK_UNLOCKED
440 < #define XDisplayLock() spin_lock(&x_display_lock)
441 < #define XDisplayUnlock() spin_unlock(&x_display_lock)
442 < #elif defined(HAVE_PTHREADS)
434 > #if defined(HAVE_PTHREADS)
435   #define X11_LOCK_TYPE pthread_mutex_t
436   #define X11_LOCK_INIT PTHREAD_MUTEX_INITIALIZER
437   #define XDisplayLock() pthread_mutex_lock(&x_display_lock);
438   #define XDisplayUnlock() pthread_mutex_unlock(&x_display_lock);
439 + #elif defined(HAVE_SPINLOCKS)
440 + #define X11_LOCK_TYPE spinlock_t
441 + #define X11_LOCK_INIT SPIN_LOCK_UNLOCKED
442 + #define XDisplayLock() spin_lock(&x_display_lock)
443 + #define XDisplayUnlock() spin_unlock(&x_display_lock)
444   #else
445   #define XDisplayLock()
446   #define XDisplayUnlock()

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