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

Comparing SheepShaver/src/Unix/sysdeps.h (file contents):
Revision 1.4 by gbeauche, 2003-05-22T22:12:05Z vs.
Revision 1.27 by gbeauche, 2004-05-12T11:38:16Z

+/*
+ *  sysdeps.h - System dependent definitions for Linux
-<
+ *  SheepShaver (C) 1997-2002 Christian Bauer and Marc Hellwig
->
+ *  SheepShaver (C) 1997-2004 Christian Bauer and Marc Hellwig
+ *  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
+#include <string.h>
+#include <signal.h>
-+
+#ifdef HAVE_PTHREADS
-+
+# include <pthread.h>
-+
+#endif
-+
+#ifdef HAVE_FCNTL_H
+# include <fcntl.h>
+#endif
+# endif
+#endif
-+
+// Define for external components
-+
+#define SHEEPSHAVER 1
-+
+// Mac and host address space are the same
+#define REAL_ADDRESSING 1
-<
+// Are we using a PPC emulator or the real thing?
-<
+#ifdef __powerpc__
-<
+#define EMULATED_PPC 0
->
+#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 EMULATED_PPC 1
->
+# 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 0
->
+#define PPC_PROFILE_GENERIC_CALLS 0
->
+#define KPX_MAX_CPUS 1
->
+#else
->
+// Mac ROM is write protected
->
+#define ROM_IS_WRITE_PROTECTED 1
->
+#define USE_SCRATCHMEM_SUBTERFUGE 0
+#endif
-–
-–
+#define POWERPC_ROM 1
+// Data types
+typedef unsigned char uint8;
+#error "Unsupported size of pointer"
+#endif
-+
+/**
-+
+ *              Helper functions to byteswap data
-+
+ **/
-+
-+
+#if defined(__GNUC__)
-+
+#if defined(__x86_64__) || defined(__i386__)
-+
+// 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
-+
-+
+static inline uint16 generic_bswap_16(uint16 x)
-+
+{
-+
+  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
-+
-+
+static inline uint32 generic_bswap_32(uint32 x)
-+
+{
-+
+  return (((x & 0xff000000) >> 24) |
-+
+                  ((x & 0x00ff0000) >>  8) |
-+
+                  ((x & 0x0000ff00) <<  8) |
-+
+                  ((x & 0x000000ff) << 24) );
-+
+}
-+
-+
+#if defined(__i386__)
-+
+#define opt_bswap_64 do_opt_bswap_64
-+
+static inline uint64 do_opt_bswap_64(uint64 x)
-+
+{
-+
+  return (bswap_32(x >> 32) | (((uint64)bswap_32((uint32)x)) << 32));
-+
+}
-+
+#endif
-+
-+
+#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 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__
-+
-+
+#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
-+
-+
+#ifdef __i386__
-+
+#define HAVE_TEST_AND_SET 1
-+
+static inline int testandset(volatile int *p)
-+
+{
-+
+        int ret;
-+
+        long int readval;
-+
+        /* Note: the "xchg" instruction does not need a "lock" prefix */
-+
+        __asm__ __volatile__("xchgl %0, %1"
-+
+                                                 : "=r" (ret), "=m" (*p), "=a" (readval)
-+
+                                                 : "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__ */
-+
-+
+#if HAVE_TEST_AND_SET
-+
+#define HAVE_SPINLOCKS 1
-+
+typedef volatile 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;
+typedef struct timeval tm_time_t;
+#endif
-+
+// Timing functions
-+
+extern uint64 GetTicks_usec(void);
-+
+extern void Delay_usec(uint32 usec);
-+
-+
+#if defined(HAVE_PTHREADS) || (defined(__linux__) && defined(__powerpc__))
+// Setup pthread attributes
+extern void Set_pthread_attr(pthread_attr_t *attr, int priority);
-+
+#endif
+// Various definitions
+typedef struct rgb_color {
+        uint8           alpha;
+} rgb_color;
-+
+// 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
-+
+// Macro for calling MacOS routines
+#define CallMacOS(type, tvect) call_macos((uint32)tvect)
+#define CallMacOS1(type, tvect, arg1) call_macos1((uint32)tvect, (uint32)arg1)

Diff Legend

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

Comparing SheepShaver/src/Unix/sysdeps.h (file contents): Revision 1.4 by gbeauche, 2003-05-22T22:12:05Z vs. Revision 1.27 by gbeauche, 2004-05-12T11:38:16Z

Diff Legend

Comparing SheepShaver/src/Unix/sysdeps.h (file contents):
Revision 1.4 by gbeauche, 2003-05-22T22:12:05Z vs.
Revision 1.27 by gbeauche, 2004-05-12T11:38:16Z