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

Comparing SheepShaver/src/Unix/sysdeps.h (file contents):
Revision 1.5 by gbeauche, 2003-09-07T14:19:25Z vs.
Revision 1.16 by gbeauche, 2003-11-28T22:13:49Z

+#define POWERPC_ROM 1
+#if EMULATED_PPC
-+
+// Handle interrupts asynchronously?
-+
+#define ASYNC_IRQ 0
+// Mac ROM is write protected when banked memory is used
+#if REAL_ADDRESSING || DIRECT_ADDRESSING
+# define ROM_IS_WRITE_PROTECTED 0
+#else
+# define ROM_IS_WRITE_PROTECTED 1
+#endif
-+
+// Configure PowerPC emulator
-+
+#define PPC_CHECK_INTERRUPTS (ASYNC_IRQ ? 0 : 1)
-+
+#define PPC_DECODE_CACHE 1
-+
+#define PPC_FLIGHT_RECORDER 1
-+
+#define PPC_PROFILE_COMPILE_TIME 1
-+
+#define KPX_MAX_CPUS 1
+#else
+// Mac ROM is write protected
+#define ROM_IS_WRITE_PROTECTED 1
+#error "Unsupported size of pointer"
+#endif
-<
+// Helper functions to byteswap data
->
+/**
->
+ *              Helper functions to byteswap data
->
+ **/
->
->
+#if defined(__GNUC__)
->
+#if defined(__x86_64__)
->
+// Linux/AMD64 currently has no asm optimized bswap_32() in <byteswap.h>
->
+#define opt_bswap_32 do_opt_bswap_32
->
+static inline uint32 do_opt_bswap_32(uint32 x)
->
+{
->
+  uint32 v;
->
+  __asm__ __volatile__ ("bswap %0" : "=r" (v) : "0" (x));
->
+  return v;
->
+}
->
+#endif
->
+#endif
->
+#ifdef HAVE_BYTESWAP_H
+#include <byteswap.h>
+#endif
-+
+#ifdef  opt_bswap_16
-+
+#undef  bswap_16
-+
+#define bswap_16 opt_bswap_16
-+
+#endif
+#ifndef bswap_16
+#define bswap_16 generic_bswap_16
+#endif
+  return ((x & 0xff) << 8) | ((x >> 8) & 0xff);
-+
+#ifdef  opt_bswap_32
-+
+#undef  bswap_32
-+
+#define bswap_32 opt_bswap_32
-+
+#endif
+#ifndef bswap_32
+#define bswap_32 generic_bswap_32
+#endif
+                  ((x & 0x000000ff) << 24) );
-+
+#ifdef  opt_bswap_64
-+
+#undef  bswap_64
-+
+#define bswap_64 opt_bswap_64
-+
+#endif
+#ifndef bswap_64
+#define bswap_64 generic_bswap_64
+#endif
+static inline uint64 tswap64(uint64 x) { return bswap_64(x); }
+#endif
-+
+// spin locks
-+
+#ifdef __GNUC__
-+
-+
+#ifdef __powerpc__
-+
+#define HAVE_TEST_AND_SET 1
-+
+static inline int testandset(int *p)
-+
+{
-+
+        int ret;
-+
+        __asm__ __volatile__("0:    lwarx %0,0,%1 ;"
-+
+                                                 "      xor. %0,%3,%0;"
-+
+                                                 "      bne 1f;"
-+
+                                                 "      stwcx. %2,0,%1;"
-+
+                                                 "      bne- 0b;"
-+
+                                                 "1:    "
-+
+                                                 : "=&r" (ret)
-+
+                                                 : "r" (p), "r" (1), "r" (0)
-+
+                                                 : "cr0", "memory");
-+
+        return ret;
-+
+}
-+
+#endif
-+
-+
+#ifdef __i386__
-+
+#define HAVE_TEST_AND_SET 1
-+
+static inline int testandset(int *p)
-+
+{
-+
+        char ret;
-+
+        long int readval;
-+
-+
+        __asm__ __volatile__("lock; cmpxchgl %3, %1; sete %0"
-+
+                                                 : "=q" (ret), "=m" (*p), "=a" (readval)
-+
+                                                 : "r" (1), "m" (*p), "a" (0)
-+
+                                                 : "memory");
-+
+        return ret;
-+
+}
-+
+#endif
-+
-+
+#ifdef __s390__
-+
+#define HAVE_TEST_AND_SET 1
-+
+static inline int testandset(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(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(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(int *p)
-+
+{
-+
+        register unsigned int ret;
-+
+        __asm__ __volatile__("swp %0, %1, [%2]"
-+
+                                                 : "=r"(ret)
-+
+                                                 : "0"(1), "r"(p));
-+
-+
+        return ret;
-+
+}
-+
+#endif
-+
-+
+#endif /* __GNUC__ */
-+
-+
+#if HAVE_TEST_AND_SET
-+
+#define HAVE_SPINLOCKS 1
-+
+typedef int spinlock_t;
-+
-+
+static const spinlock_t SPIN_LOCK_UNLOCKED = 0;
-+
-+
+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);
-+
+}
-+
+#endif
-+
+// Time data type for Time Manager emulation
+#ifdef HAVE_CLOCK_GETTIME
+typedef struct timespec tm_time_t;

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+Removed lines
-+
+Added lines
-<
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Comparing SheepShaver/src/Unix/sysdeps.h (file contents): Revision 1.5 by gbeauche, 2003-09-07T14:19:25Z vs. Revision 1.16 by gbeauche, 2003-11-28T22:13:49Z

Diff Legend

Comparing SheepShaver/src/Unix/sysdeps.h (file contents):
Revision 1.5 by gbeauche, 2003-09-07T14:19:25Z vs.
Revision 1.16 by gbeauche, 2003-11-28T22:13:49Z