src/Windows/sysdeps.h

/*
 *  sysdeps.h - System dependent definitions for Windows
 *
 *  SheepShaver (C) 1997-2005 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
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef SYSDEPS_H
#define SYSDEPS_H

#ifndef __STDC__
#error "Your compiler is not ANSI. Get a real one."
#endif

#include "config.h"
#include "user_strings_windows.h"

#ifndef STDC_HEADERS
#error "You don't have ANSI C header files."
#endif

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <time.h>
#ifdef __WIN32__
#include <windows.h>
#endif
#include <sys/types.h>


// Define for external components
#define SHEEPSHAVER 1
#define POWERPC_ROM 1
#define EMULATED_PPC 1
#define CONFIG_WIN32 1

// Use Direct Addressing mode
#define DIRECT_ADDRESSING 1
#define NATMEM_OFFSET 0x02000000

// 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_REENTRANT_JIT 1
#define PPC_CHECK_INTERRUPTS 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
#if ENABLE_DYNGEN
// Don't bother with predecode cache when using JIT
#define PPC_ENABLE_JIT 1
#undef  PPC_DECODE_CACHE
#endif
#if defined(__i386__)
#define DYNGEN_ASM_OPTS 1
#endif

// Data types
typedef unsigned char uint8;
typedef signed char int8;
#if SIZEOF_SHORT == 2
typedef unsigned short uint16;
typedef short int16;
#elif SIZEOF_INT == 2
typedef unsigned int uint16;
typedef int int16;
#else
#error "No 2 byte type, you lose."
#endif
#if SIZEOF_INT == 4
typedef unsigned int uint32;
typedef int int32;
#elif SIZEOF_LONG == 4
typedef unsigned long uint32;
typedef long int32;
#else
#error "No 4 byte type, you lose."
#endif
#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
 **/

#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  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

#define do_byteswap_16_g bswap_16
#define do_byteswap_16_c(x) \
     ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))

#define do_byteswap_32_g bswap_32
#define do_byteswap_32_c(x) \
     ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >>  8) | \
      (((x) & 0x0000ff00) <<  8) | (((x) & 0x000000ff) << 24))

#if defined(__GNUC__)
#define do_byteswap_16(x)                                               \
                (__extension__                                                  \
                 ({ register uint16 __v, __x = (x);             \
                 if (__builtin_constant_p(__x))                 \
                   __v = do_byteswap_16_c(__x);                 \
                 else                                                                   \
                   __v = do_byteswap_16_g(__x);                 \
                 __v; }))

#define do_byteswap_32(x)                                               \
                (__extension__                                                  \
                 ({ register uint32 __v, __x = (x);             \
                 if (__builtin_constant_p(__x))                 \
                   __v = do_byteswap_32_c(__x);                 \
                 else                                                                   \
                   __v = do_byteswap_32_g(__x);                 \
                 __v; }))
#else
#define do_byteswap_16(x) do_byteswap_16_g(x)
#define do_byteswap_32(x) do_byteswap_32_g(x)
#endif

#if defined(__i386__) || defined(__x86_64__)
#define ntohl(x) do_byteswap_32(x)
#define ntohs(x) do_byteswap_16(x)
#define htonl(x) do_byteswap_32(x)
#define htons(x) do_byteswap_16(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

#if 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 __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

#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

// Time data type for Time Manager emulation
typedef int64 tm_time_t;

// Timing functions
extern void timer_init(void);
extern uint64 GetTicks_usec(void);
extern void Delay_usec(uint32 usec);

// Various definitions
typedef struct rgb_color {
        uint8           red;
        uint8           green;
        uint8           blue;
        uint8           alpha;
} rgb_color;

// Macro for calling MacOS routines
#define CallMacOS(type, tvect) call_macos((uintptr)tvect)
#define CallMacOS1(type, tvect, arg1) call_macos1((uintptr)tvect, (uintptr)arg1)
#define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uintptr)tvect, (uintptr)arg1, (uintptr)arg2)
#define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3)
#define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4)
#define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5)
#define CallMacOS6(type, tvect, arg1, arg2, arg3, arg4, arg5, arg6) call_macos6((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5, (uintptr)arg6)
#define CallMacOS7(type, tvect, arg1, arg2, arg3, arg4, arg5, arg6, arg7) call_macos7((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5, (uintptr)arg6, (uintptr)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

// Misc platform specific definitions
#ifdef __WIN32__
typedef int64 loff_t;
#endif
#define ATTRIBUTE_PACKED __attribute__((__packed__))

#endif
Revision:	1.2
Committed:	2005-03-24T23:39:19Z (19 years, 7 months ago) by gbeauche
Content type:	text/plain
Branch:	MAIN
Changes since 1.1:	+8 -0 lines
Log Message:	cross-compilation fixes
#	User	Rev	Content
1	gbeauche	1.1	/*
2			* sysdeps.h - System dependent definitions for Windows
3			*
4			* SheepShaver (C) 1997-2005 Christian Bauer and Marc Hellwig
5			*
6			* This program is free software; you can redistribute it and/or modify
7			* it under the terms of the GNU General Public License as published by
8			* the Free Software Foundation; either version 2 of the License, or
9			* (at your option) any later version.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19			*/
20
21			#ifndef SYSDEPS_H
22			#define SYSDEPS_H
23
24			#ifndef __STDC__
25			#error "Your compiler is not ANSI. Get a real one."
26			#endif
27
28			#include "config.h"
29			#include "user_strings_windows.h"
30
31			#ifndef STDC_HEADERS
32			#error "You don't have ANSI C header files."
33			#endif
34
35			#include <assert.h>
36			#include <stdio.h>
37			#include <stdlib.h>
38			#include <stdint.h>
39			#include <string.h>
40	gbeauche	1.2	#include <time.h>
41			#ifdef __WIN32__
42	gbeauche	1.1	#include <windows.h>
43	gbeauche	1.2	#endif
44			#include <sys/types.h>
45
46	gbeauche	1.1
47			// Define for external components
48			#define SHEEPSHAVER 1
49			#define POWERPC_ROM 1
50			#define EMULATED_PPC 1
51	gbeauche	1.2	#define CONFIG_WIN32 1
52	gbeauche	1.1
53			// Use Direct Addressing mode
54			#define DIRECT_ADDRESSING 1
55			#define NATMEM_OFFSET 0x02000000
56
57			// Mac ROM is write protected when banked memory is used
58			#if REAL_ADDRESSING \|\| DIRECT_ADDRESSING
59			# define ROM_IS_WRITE_PROTECTED 0
60			# define USE_SCRATCHMEM_SUBTERFUGE 1
61			#else
62			# define ROM_IS_WRITE_PROTECTED 1
63			#endif
64			// Configure PowerPC emulator
65			#define PPC_REENTRANT_JIT 1
66			#define PPC_CHECK_INTERRUPTS 1
67			#define PPC_DECODE_CACHE 1
68			#define PPC_FLIGHT_RECORDER 1
69			#define PPC_PROFILE_COMPILE_TIME 0
70			#define PPC_PROFILE_GENERIC_CALLS 0
71			#define KPX_MAX_CPUS 1
72			#if ENABLE_DYNGEN
73			// Don't bother with predecode cache when using JIT
74			#define PPC_ENABLE_JIT 1
75			#undef PPC_DECODE_CACHE
76			#endif
77			#if defined(__i386__)
78			#define DYNGEN_ASM_OPTS 1
79			#endif
80
81			// Data types
82			typedef unsigned char uint8;
83			typedef signed char int8;
84			#if SIZEOF_SHORT == 2
85			typedef unsigned short uint16;
86			typedef short int16;
87			#elif SIZEOF_INT == 2
88			typedef unsigned int uint16;
89			typedef int int16;
90			#else
91			#error "No 2 byte type, you lose."
92			#endif
93			#if SIZEOF_INT == 4
94			typedef unsigned int uint32;
95			typedef int int32;
96			#elif SIZEOF_LONG == 4
97			typedef unsigned long uint32;
98			typedef long int32;
99			#else
100			#error "No 4 byte type, you lose."
101			#endif
102			#if SIZEOF_LONG == 8
103			typedef unsigned long uint64;
104			typedef long int64;
105			#define VAL64(a) (a ## l)
106			#define UVAL64(a) (a ## ul)
107			#elif SIZEOF_LONG_LONG == 8
108			typedef unsigned long long uint64;
109			typedef long long int64;
110			#define VAL64(a) (a ## LL)
111			#define UVAL64(a) (a ## uLL)
112			#else
113			#error "No 8 byte type, you lose."
114			#endif
115			#if SIZEOF_VOID_P == 4
116			typedef uint32 uintptr;
117			typedef int32 intptr;
118			#elif SIZEOF_VOID_P == 8
119			typedef uint64 uintptr;
120			typedef int64 intptr;
121			#else
122			#error "Unsupported size of pointer"
123			#endif
124
125
126			/**
127			* Helper functions to byteswap data
128			**/
129
130			#if defined(__GNUC__)
131			#if defined(__x86_64__) \|\| defined(__i386__)
132			// Linux/AMD64 currently has no asm optimized bswap_32() in <byteswap.h>
133			#define opt_bswap_32 do_opt_bswap_32
134			static inline uint32 do_opt_bswap_32(uint32 x)
135			{
136			uint32 v;
137			__asm__ __volatile__ ("bswap %0" : "=r" (v) : "0" (x));
138			return v;
139			}
140			#endif
141			#endif
142
143			#ifdef opt_bswap_16
144			#undef bswap_16
145			#define bswap_16 opt_bswap_16
146			#endif
147			#ifndef bswap_16
148			#define bswap_16 generic_bswap_16
149			#endif
150
151			static inline uint16 generic_bswap_16(uint16 x)
152			{
153			return ((x & 0xff) << 8) \| ((x >> 8) & 0xff);
154			}
155
156			#ifdef opt_bswap_32
157			#undef bswap_32
158			#define bswap_32 opt_bswap_32
159			#endif
160			#ifndef bswap_32
161			#define bswap_32 generic_bswap_32
162			#endif
163
164			static inline uint32 generic_bswap_32(uint32 x)
165			{
166			return (((x & 0xff000000) >> 24) \|
167			((x & 0x00ff0000) >> 8) \|
168			((x & 0x0000ff00) << 8) \|
169			((x & 0x000000ff) << 24) );
170			}
171
172			#if defined(__i386__)
173			#define opt_bswap_64 do_opt_bswap_64
174			static inline uint64 do_opt_bswap_64(uint64 x)
175			{
176			return (bswap_32(x >> 32) \| (((uint64)bswap_32((uint32)x)) << 32));
177			}
178			#endif
179
180			#ifdef opt_bswap_64
181			#undef bswap_64
182			#define bswap_64 opt_bswap_64
183			#endif
184			#ifndef bswap_64
185			#define bswap_64 generic_bswap_64
186			#endif
187
188			static inline uint64 generic_bswap_64(uint64 x)
189			{
190			return (((x & UVAL64(0xff00000000000000)) >> 56) \|
191			((x & UVAL64(0x00ff000000000000)) >> 40) \|
192			((x & UVAL64(0x0000ff0000000000)) >> 24) \|
193			((x & UVAL64(0x000000ff00000000)) >> 8) \|
194			((x & UVAL64(0x00000000ff000000)) << 8) \|
195			((x & UVAL64(0x0000000000ff0000)) << 24) \|
196			((x & UVAL64(0x000000000000ff00)) << 40) \|
197			((x & UVAL64(0x00000000000000ff)) << 56) );
198			}
199
200			#ifdef WORDS_BIGENDIAN
201			static inline uint16 tswap16(uint16 x) { return x; }
202			static inline uint32 tswap32(uint32 x) { return x; }
203			static inline uint64 tswap64(uint64 x) { return x; }
204			#else
205			static inline uint16 tswap16(uint16 x) { return bswap_16(x); }
206			static inline uint32 tswap32(uint32 x) { return bswap_32(x); }
207			static inline uint64 tswap64(uint64 x) { return bswap_64(x); }
208			#endif
209
210			#define do_byteswap_16_g bswap_16
211			#define do_byteswap_16_c(x) \
212			((((x) >> 8) & 0xff) \| (((x) & 0xff) << 8))
213
214			#define do_byteswap_32_g bswap_32
215			#define do_byteswap_32_c(x) \
216			((((x) & 0xff000000) >> 24) \| (((x) & 0x00ff0000) >> 8) \| \
217			(((x) & 0x0000ff00) << 8) \| (((x) & 0x000000ff) << 24))
218
219			#if defined(__GNUC__)
220			#define do_byteswap_16(x) \
221			(__extension__ \
222			({ register uint16 __v, __x = (x); \
223			if (__builtin_constant_p(__x)) \
224			__v = do_byteswap_16_c(__x); \
225			else \
226			__v = do_byteswap_16_g(__x); \
227			__v; }))
228
229			#define do_byteswap_32(x) \
230			(__extension__ \
231			({ register uint32 __v, __x = (x); \
232			if (__builtin_constant_p(__x)) \
233			__v = do_byteswap_32_c(__x); \
234			else \
235			__v = do_byteswap_32_g(__x); \
236			__v; }))
237			#else
238			#define do_byteswap_16(x) do_byteswap_16_g(x)
239			#define do_byteswap_32(x) do_byteswap_32_g(x)
240			#endif
241
242			#if defined(__i386__) \|\| defined(__x86_64__)
243			#define ntohl(x) do_byteswap_32(x)
244			#define ntohs(x) do_byteswap_16(x)
245			#define htonl(x) do_byteswap_32(x)
246			#define htons(x) do_byteswap_16(x)
247			#endif
248
249
250			/*
251			* Spin locks
252			*/
253
254			#ifdef __GNUC__
255
256			#if defined(__powerpc__) \|\| defined(__ppc__)
257			#define HAVE_TEST_AND_SET 1
258			static inline int testandset(volatile int *p)
259			{
260			int ret;
261			__asm__ __volatile__("0: lwarx %0,0,%1\n"
262			" xor. %0,%3,%0\n"
263			" bne 1f\n"
264			" stwcx. %2,0,%1\n"
265			" bne- 0b\n"
266			"1: "
267			: "=&r" (ret)
268			: "r" (p), "r" (1), "r" (0)
269			: "cr0", "memory");
270			return ret;
271			}
272			#endif
273
274			#if defined(__i386__) \|\| defined(__x86_64__)
275			#define HAVE_TEST_AND_SET 1
276			static inline int testandset(volatile int *p)
277			{
278			long int ret;
279			/* Note: the "xchg" instruction does not need a "lock" prefix */
280			__asm__ __volatile__("xchgl %k0, %1"
281			: "=r" (ret), "=m" (*p)
282			: "0" (1), "m" (*p)
283			: "memory");
284			return ret;
285			}
286			#endif
287
288			#ifdef __alpha__
289			#define HAVE_TEST_AND_SET 1
290			static inline int testandset(volatile int *p)
291			{
292			int ret;
293			unsigned long one;
294
295			__asm__ __volatile__("0: mov 1,%2\n"
296			" ldl_l %0,%1\n"
297			" stl_c %2,%1\n"
298			" beq %2,1f\n"
299			".subsection 2\n"
300			"1: br 0b\n"
301			".previous"
302			: "=r" (ret), "=m" (*p), "=r" (one)
303			: "m" (*p));
304			return ret;
305			}
306			#endif
307
308			#endif /* __GNUC__ */
309
310			typedef volatile int spinlock_t;
311
312			static const spinlock_t SPIN_LOCK_UNLOCKED = 0;
313
314			#if HAVE_TEST_AND_SET
315			#define HAVE_SPINLOCKS 1
316			static inline void spin_lock(spinlock_t *lock)
317			{
318			while (testandset(lock));
319			}
320
321			static inline void spin_unlock(spinlock_t *lock)
322			{
323			*lock = 0;
324			}
325
326			static inline int spin_trylock(spinlock_t *lock)
327			{
328			return !testandset(lock);
329			}
330			#else
331			static inline void spin_lock(spinlock_t *lock)
332			{
333			}
334
335			static inline void spin_unlock(spinlock_t *lock)
336			{
337			}
338
339			static inline int spin_trylock(spinlock_t *lock)
340			{
341			return 1;
342			}
343			#endif
344
345			// Time data type for Time Manager emulation
346			typedef int64 tm_time_t;
347
348			// Timing functions
349			extern void timer_init(void);
350			extern uint64 GetTicks_usec(void);
351			extern void Delay_usec(uint32 usec);
352
353			// Various definitions
354			typedef struct rgb_color {
355			uint8 red;
356			uint8 green;
357			uint8 blue;
358			uint8 alpha;
359			} rgb_color;
360
361			// Macro for calling MacOS routines
362			#define CallMacOS(type, tvect) call_macos((uintptr)tvect)
363			#define CallMacOS1(type, tvect, arg1) call_macos1((uintptr)tvect, (uintptr)arg1)
364			#define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uintptr)tvect, (uintptr)arg1, (uintptr)arg2)
365			#define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3)
366			#define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4)
367			#define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5)
368			#define CallMacOS6(type, tvect, arg1, arg2, arg3, arg4, arg5, arg6) call_macos6((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5, (uintptr)arg6)
369			#define CallMacOS7(type, tvect, arg1, arg2, arg3, arg4, arg5, arg6, arg7) call_macos7((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5, (uintptr)arg6, (uintptr)arg7)
370
371			#ifdef __cplusplus
372			extern "C" {
373			#endif
374			extern uint32 call_macos(uint32 tvect);
375			extern uint32 call_macos1(uint32 tvect, uint32 arg1);
376			extern uint32 call_macos2(uint32 tvect, uint32 arg1, uint32 arg2);
377			extern uint32 call_macos3(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3);
378			extern uint32 call_macos4(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4);
379			extern uint32 call_macos5(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5);
380			extern uint32 call_macos6(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6);
381			extern uint32 call_macos7(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6, uint32 arg7);
382			#ifdef __cplusplus
383			}
384			#endif
385
386			// Misc platform specific definitions
387	gbeauche	1.2	#ifdef __WIN32__
388	gbeauche	1.1	typedef int64 loff_t;
389	gbeauche	1.2	#endif
390	gbeauche	1.1	#define ATTRIBUTE_PACKED __attribute__((__packed__))
391
392			#endif