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

Comparing SheepShaver/src/Unix/sysdeps.h (file contents):
Revision 1.2 by cebix, 2002-02-21T15:12:12Z vs.
Revision 1.11 by gbeauche, 2003-10-12T05:44:14Z

+# endif
+#endif
-<
+// Are we using a PPC emulator or the real thing?
-<
+#ifdef __powerpc__
-<
+#define EMULATED_PPC 0
-<
+#else
-<
+#define EMULATED_PPC 1
-<
+#endif
->
+// Define for external components
->
+#define SHEEPSHAVER 1
->
->
+// Mac and host address space are the same
->
+#define REAL_ADDRESSING 1
+#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
-+
+# define USE_SCRATCHMEM_SUBTERFUGE 1
-+
+#else
-+
+# define ROM_IS_WRITE_PROTECTED 1
-+
+#endif
-+
+// Configure PowerPC emulator
-+
+#define PPC_NO_LAZY_PC_UPDATE 1
-+
+#define PPC_NO_DECODE_CACHE 1
-+
+#define PPC_FLIGHT_RECORDER 1
-+
+#else
-+
+// Mac ROM is write protected
-+
+#define ROM_IS_WRITE_PROTECTED 1
-+
+#define USE_SCRATCHMEM_SUBTERFUGE 0
-+
+#endif
-+
+// Data types
+typedef unsigned char uint8;
+typedef signed char int8;
+#if SIZEOF_LONG == 8
+typedef unsigned long uint64;
+typedef long int64;
-+
+#define VAL64(a) (a ## l)
-+
+#define UVAL64(a) (a ## ul)
+#elif SIZEOF_LONG_LONG == 8
+typedef unsigned long long uint64;
+typedef long long int64;
-+
+#define VAL64(a) (a ## LL)
-+
+#define UVAL64(a) (a ## uLL)
+#else
+#error "No 8 byte type, you lose."
+#endif
-+
+#if SIZEOF_VOID_P == 4
-+
+typedef uint32 uintptr;
-+
+typedef int32 intptr;
-+
+#elif SIZEOF_VOID_P == 8
-+
+typedef uint64 uintptr;
-+
+typedef int64 intptr;
-+
+#else
-+
+#error "Unsupported size of pointer"
-+
+#endif
-+
-+
+// Helper functions to byteswap data
-+
+#ifdef HAVE_BYTESWAP_H
-+
+#include <byteswap.h>
-+
+#endif
-+
-+
+#ifndef bswap_16
-+
+#define bswap_16 generic_bswap_16
-+
+#endif
-+
-+
+static inline uint16 generic_bswap_16(uint16 x)
-+
+{
-+
+  return ((x & 0xff) << 8) | ((x >> 8) & 0xff);
-+
+}
-+
-+
+#ifndef bswap_32
-+
+#define bswap_32 generic_bswap_32
-+
+#endif
-+
-+
+static inline uint32 generic_bswap_32(uint32 x)
-+
+{
-+
+  return (((x & 0xff000000) >> 24) |
-+
+                  ((x & 0x00ff0000) >>  8) |
-+
+                  ((x & 0x0000ff00) <<  8) |
-+
+                  ((x & 0x000000ff) << 24) );
-+
+}
-+
-+
+#ifndef bswap_64
-+
+#define bswap_64 generic_bswap_64
-+
+#endif
-+
-+
+static inline uint64 generic_bswap_64(uint64 x)
-+
+{
-+
+  return (((x & UVAL64(0xff00000000000000)) >> 56) |
-+
+                  ((x & UVAL64(0x00ff000000000000)) >> 40) |
-+
+                  ((x & UVAL64(0x0000ff0000000000)) >> 24) |
-+
+                  ((x & UVAL64(0x000000ff00000000)) >>  8) |
-+
+                  ((x & UVAL64(0x00000000ff000000)) <<  8) |
-+
+                  ((x & UVAL64(0x0000000000ff0000)) << 24) |
-+
+                  ((x & UVAL64(0x000000000000ff00)) << 40) |
-+
+                  ((x & UVAL64(0x00000000000000ff)) << 56) );
-+
+}
-+
-+
+#ifdef WORDS_BIGENDIAN
-+
+static inline uint16 tswap16(uint16 x) { return x; }
-+
+static inline uint32 tswap32(uint32 x) { return x; }
-+
+static inline uint64 tswap64(uint64 x) { return x; }
-+
+#else
-+
+static inline uint16 tswap16(uint16 x) { return bswap_16(x); }
-+
+static inline uint32 tswap32(uint32 x) { return bswap_32(x); }
-+
+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
+#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)
+#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)
-<
+extern "C" uint32 call_macos(uint32 tvect);
-<
+extern "C" uint32 call_macos1(uint32 tvect, uint32 arg1);
-<
+extern "C" uint32 call_macos2(uint32 tvect, uint32 arg1, uint32 arg2);
-<
+extern "C" uint32 call_macos3(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3);
-<
+extern "C" uint32 call_macos4(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4);
-<
+extern "C" uint32 call_macos5(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5);
-<
+extern "C" uint32 call_macos6(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6);
-<
+extern "C" uint32 call_macos7(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6, uint32 arg7);
->
+#ifdef __cplusplus
->
+extern "C" {
->
+#endif
->
+extern uint32 call_macos(uint32 tvect);
->
+extern uint32 call_macos1(uint32 tvect, uint32 arg1);
->
+extern uint32 call_macos2(uint32 tvect, uint32 arg1, uint32 arg2);
->
+extern uint32 call_macos3(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3);
->
+extern uint32 call_macos4(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4);
->
+extern uint32 call_macos5(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5);
->
+extern uint32 call_macos6(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6);
->
+extern uint32 call_macos7(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6, uint32 arg7);
->
+#ifdef __cplusplus
->
+}
->
+#endif
+#endif

Diff Legend

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

Comparing SheepShaver/src/Unix/sysdeps.h (file contents): Revision 1.2 by cebix, 2002-02-21T15:12:12Z vs. Revision 1.11 by gbeauche, 2003-10-12T05:44:14Z

Diff Legend

Comparing SheepShaver/src/Unix/sysdeps.h (file contents):
Revision 1.2 by cebix, 2002-02-21T15:12:12Z vs.
Revision 1.11 by gbeauche, 2003-10-12T05:44:14Z