[ViewVC] Diff of: cebix/BasiliskII/src/Unix/sysdeps.h

Comparing BasiliskII/src/Unix/sysdeps.h (file contents):
Revision 1.26 by gbeauche, 2002-11-16T15:38:53Z vs.
Revision 1.35 by asvitkine, 2009-08-17T20:42:26Z

+/*
+ *  sysdeps.h - System dependent definitions for Unix
-<
+ *  Basilisk II (C) 1997-2002 Christian Bauer
->
+ *  Basilisk II (C) 1997-2008 Christian Bauer
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+# endif
+#endif
-+
+#if defined(__MACH__)
-+
+#include <mach/clock.h>
-+
+#endif
+#ifdef ENABLE_NATIVE_M68K
+#endif
-<
+/* Direct Addressing requires Video on SEGV signals */
-<
+#if DIRECT_ADDRESSING && !ENABLE_VOSF
->
+/* Direct Addressing requires Video on SEGV signals in plain X11 mode */
->
+#if DIRECT_ADDRESSING && (!ENABLE_VOSF && !USE_SDL_VIDEO)
+# undef  ENABLE_VOSF
+# define ENABLE_VOSF 1
+#endif
+/* BSD socket API supported */
+#define SUPPORTS_UDP_TUNNEL 1
-+
+/* Use the CPU emulator to check for periodic tasks? */
-+
+#ifdef HAVE_PTHREADS
-+
+#define USE_PTHREADS_SERVICES
-+
+#endif
-+
+#if EMULATED_68K
-+
+#if defined(__NetBSD__)
-+
+#define USE_CPU_EMUL_SERVICES
-+
+#endif
-+
+#endif
-+
+#ifdef USE_CPU_EMUL_SERVICES
-+
+#undef USE_PTHREADS_SERVICES
-+
+#endif
-+
+/* Data types */
+typedef unsigned char uint8;
+#error "Unsupported size of pointer"
+#endif
-+
+#ifndef HAVE_LOFF_T
-+
+typedef off_t loff_t;
-+
+#endif
-+
+#ifndef HAVE_CADDR_T
-+
+typedef char * caddr_t;
-+
+#endif
-+
+/* Time data type for Time Manager emulation */
+#ifdef HAVE_CLOCK_GETTIME
+typedef struct timespec tm_time_t;
-+
+#elif defined(__MACH__)
-+
+typedef mach_timespec_t tm_time_t;
+#else
+typedef struct timeval tm_time_t;
+#endif
+extern uint64 GetTicks_usec(void);
+extern void Delay_usec(uint32 usec);
-+
+/* Spinlocks */
-+
+#ifdef __GNUC__
-+
-+
+#if defined(__powerpc__) || defined(__ppc__)
-+
+#define HAVE_TEST_AND_SET 1
-+
+static inline int testandset(volatile int *p)
-+
+{
-+
+        int ret;
-+
+        __asm__ __volatile__("0:    lwarx       %0,0,%1\n"
-+
+                                                 "      xor.    %0,%3,%0\n"
-+
+                                                 "      bne             1f\n"
-+
+                                                 "      stwcx.  %2,0,%1\n"
-+
+                                                 "      bne-    0b\n"
-+
+                                                 "1:    "
-+
+                                                 : "=&r" (ret)
-+
+                                                 : "r" (p), "r" (1), "r" (0)
-+
+                                                 : "cr0", "memory");
-+
+        return ret;
-+
+}
-+
+#endif
-+
-+
+/* FIXME: SheepShaver occasionnally hangs with those locks */
-+
+#if 0 && (defined(__i386__) || defined(__x86_64__))
-+
+#define HAVE_TEST_AND_SET 1
-+
+static inline int testandset(volatile int *p)
-+
+{
-+
+        long int ret;
-+
+        /* Note: the "xchg" instruction does not need a "lock" prefix */
-+
+        __asm__ __volatile__("xchgl %k0, %1"
-+
+                                                 : "=r" (ret), "=m" (*p)
-+
+                                                 : "0" (1), "m" (*p)
-+
+                                                 : "memory");
-+
+        return ret;
-+
+}
-+
+#endif
-+
-+
+#ifdef __s390__
-+
+#define HAVE_TEST_AND_SET 1
-+
+static inline int testandset(volatile int *p)
-+
+{
-+
+        int ret;
-+
-+
+        __asm__ __volatile__("0: cs    %0,%1,0(%2)\n"
-+
+                                                 "   jl    0b"
-+
+                                                 : "=&d" (ret)
-+
+                                                 : "r" (1), "a" (p), "0" (*p)
-+
+                                                 : "cc", "memory" );
-+
+        return ret;
-+
+}
-+
+#endif
-+
-+
+#ifdef __alpha__
-+
+#define HAVE_TEST_AND_SET 1
-+
+static inline int testandset(volatile int *p)
-+
+{
-+
+        int ret;
-+
+        unsigned long one;
-+
-+
+        __asm__ __volatile__("0:        mov 1,%2\n"
-+
+                                                 "      ldl_l %0,%1\n"
-+
+                                                 "      stl_c %2,%1\n"
-+
+                                                 "      beq %2,1f\n"
-+
+                                                 ".subsection 2\n"
-+
+                                                 "1:    br 0b\n"
-+
+                                                 ".previous"
-+
+                                                 : "=r" (ret), "=m" (*p), "=r" (one)
-+
+                                                 : "m" (*p));
-+
+        return ret;
-+
+}
-+
+#endif
-+
-+
+#ifdef __sparc__
-+
+#define HAVE_TEST_AND_SET 1
-+
+static inline int testandset(volatile int *p)
-+
+{
-+
+        int ret;
-+
-+
+        __asm__ __volatile__("ldstub    [%1], %0"
-+
+                                                 : "=r" (ret)
-+
+                                                 : "r" (p)
-+
+                                                 : "memory");
-+
-+
+        return (ret ? 1 : 0);
-+
+}
-+
+#endif
-+
-+
+#ifdef __arm__
-+
+#define HAVE_TEST_AND_SET 1
-+
+static inline int testandset(volatile int *p)
-+
+{
-+
+        register unsigned int ret;
-+
+        __asm__ __volatile__("swp %0, %1, [%2]"
-+
+                                                 : "=r"(ret)
-+
+                                                 : "0"(1), "r"(p));
-+
-+
+        return ret;
-+
+}
-+
+#endif
-+
-+
+#endif /* __GNUC__ */
-+
-+
+typedef volatile int spinlock_t;
-+
-+
+static const spinlock_t SPIN_LOCK_UNLOCKED = 0;
-+
-+
+#if HAVE_TEST_AND_SET
-+
+#define HAVE_SPINLOCKS 1
-+
+static inline void spin_lock(spinlock_t *lock)
-+
+{
-+
+        while (testandset(lock));
-+
+}
-+
-+
+static inline void spin_unlock(spinlock_t *lock)
-+
+{
-+
+        *lock = 0;
-+
+}
-+
-+
+static inline int spin_trylock(spinlock_t *lock)
-+
+{
-+
+        return !testandset(lock);
-+
+}
-+
+#else
-+
+static inline void spin_lock(spinlock_t *lock)
-+
+{
-+
+}
-+
-+
+static inline void spin_unlock(spinlock_t *lock)
-+
+{
-+
+}
-+
-+
+static inline int spin_trylock(spinlock_t *lock)
-+
+{
-+
+        return 1;
-+
+}
-+
+#endif
-+
-+
+/* X11 display fast locks */
-+
+#ifdef HAVE_SPINLOCKS
-+
+#define X11_LOCK_TYPE spinlock_t
-+
+#define X11_LOCK_INIT SPIN_LOCK_UNLOCKED
-+
+#define XDisplayLock() spin_lock(&x_display_lock)
-+
+#define XDisplayUnlock() spin_unlock(&x_display_lock)
-+
+#elif defined(HAVE_PTHREADS)
-+
+#define X11_LOCK_TYPE pthread_mutex_t
-+
+#define X11_LOCK_INIT PTHREAD_MUTEX_INITIALIZER
-+
+#define XDisplayLock() pthread_mutex_lock(&x_display_lock);
-+
+#define XDisplayUnlock() pthread_mutex_unlock(&x_display_lock);
-+
+#else
-+
+#define XDisplayLock()
-+
+#define XDisplayUnlock()
-+
+#endif
-+
+#ifdef X11_LOCK_TYPE
-+
+extern X11_LOCK_TYPE x_display_lock;
-+
+#endif
-+
+#ifdef HAVE_PTHREADS
+/* Centralized pthread attribute setup */
+void Set_pthread_attr(pthread_attr_t *attr, int priority);

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing BasiliskII/src/Unix/sysdeps.h (file contents): Revision 1.26 by gbeauche, 2002-11-16T15:38:53Z vs. Revision 1.35 by asvitkine, 2009-08-17T20:42:26Z

Diff Legend

Comparing BasiliskII/src/Unix/sysdeps.h (file contents):
Revision 1.26 by gbeauche, 2002-11-16T15:38:53Z vs.
Revision 1.35 by asvitkine, 2009-08-17T20:42:26Z