src/Unix/sysdeps.h

/*
 *  sysdeps.h - System dependent definitions for Linux
 *
 *  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
 *  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_unix.h"

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

#ifdef HAVE_UNISTD_H
# include <sys/types.h>
# include <unistd.h>
#endif

#include <netinet/in.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>

#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif

#ifdef TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# ifdef HAVE_SYS_TIME_H
#  include <sys/time.h>
# else
#  include <time.h>
# endif
#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_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

// 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__)
// 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) );
}

#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;
#else
typedef struct timeval tm_time_t;
#endif

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

// Setup pthread attributes
extern void Set_pthread_attr(pthread_attr_t *attr, int priority);

// Various definitions
typedef struct rgb_color {
        uint8           red;
        uint8           green;
        uint8           blue;
        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)
#define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uint32)tvect, (uint32)arg1, (uint32)arg2)
#define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3)
#define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4)
#define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4, (uint32)arg5)
#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)

#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
Revision:	1.22
Committed:	2004-01-18T22:05:28Z (20 years, 10 months ago) by gbeauche
Content type:	text/plain
Branch:	MAIN
Changes since 1.21:	+6 -6 lines
Log Message:	Add spinlocks for Darwin/PPC
#	User	Rev	Content
1	cebix	1.1	/*
2			* sysdeps.h - System dependent definitions for Linux
3			*
4	cebix	1.21	* SheepShaver (C) 1997-2004 Christian Bauer and Marc Hellwig
5	cebix	1.1	*
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_unix.h"
30
31			#ifndef STDC_HEADERS
32			#error "You don't have ANSI C header files."
33			#endif
34
35			#ifdef HAVE_UNISTD_H
36			# include <sys/types.h>
37			# include <unistd.h>
38			#endif
39
40			#include <netinet/in.h>
41			#include <assert.h>
42			#include <stdio.h>
43			#include <stdlib.h>
44			#include <string.h>
45			#include <signal.h>
46
47			#ifdef HAVE_FCNTL_H
48			# include <fcntl.h>
49			#endif
50
51			#ifdef TIME_WITH_SYS_TIME
52			# include <sys/time.h>
53			# include <time.h>
54			#else
55			# ifdef HAVE_SYS_TIME_H
56			# include <sys/time.h>
57			# else
58			# include <time.h>
59			# endif
60			#endif
61
62	gbeauche	1.5	// Define for external components
63			#define SHEEPSHAVER 1
64
65	gbeauche	1.4	// Mac and host address space are the same
66			#define REAL_ADDRESSING 1
67
68	gbeauche	1.5	#define POWERPC_ROM 1
69
70			#if EMULATED_PPC
71	gbeauche	1.7	// Handle interrupts asynchronously?
72			#define ASYNC_IRQ 0
73	gbeauche	1.5	// Mac ROM is write protected when banked memory is used
74			#if REAL_ADDRESSING \|\| DIRECT_ADDRESSING
75			# define ROM_IS_WRITE_PROTECTED 0
76			# define USE_SCRATCHMEM_SUBTERFUGE 1
77	cebix	1.1	#else
78	gbeauche	1.5	# define ROM_IS_WRITE_PROTECTED 1
79			#endif
80	gbeauche	1.9	// Configure PowerPC emulator
81	gbeauche	1.13	#define PPC_CHECK_INTERRUPTS (ASYNC_IRQ ? 0 : 1)
82	gbeauche	1.14	#define PPC_DECODE_CACHE 1
83	gbeauche	1.10	#define PPC_FLIGHT_RECORDER 1
84	gbeauche	1.17	#define PPC_PROFILE_COMPILE_TIME 0
85			#define PPC_PROFILE_GENERIC_CALLS 0
86	gbeauche	1.16	#define KPX_MAX_CPUS 1
87	gbeauche	1.5	#else
88			// Mac ROM is write protected
89			#define ROM_IS_WRITE_PROTECTED 1
90			#define USE_SCRATCHMEM_SUBTERFUGE 0
91	cebix	1.1	#endif
92
93			// Data types
94			typedef unsigned char uint8;
95			typedef signed char int8;
96			#if SIZEOF_SHORT == 2
97			typedef unsigned short uint16;
98			typedef short int16;
99			#elif SIZEOF_INT == 2
100			typedef unsigned int uint16;
101			typedef int int16;
102			#else
103			#error "No 2 byte type, you lose."
104			#endif
105			#if SIZEOF_INT == 4
106			typedef unsigned int uint32;
107			typedef int int32;
108			#elif SIZEOF_LONG == 4
109			typedef unsigned long uint32;
110			typedef long int32;
111			#else
112			#error "No 4 byte type, you lose."
113			#endif
114			#if SIZEOF_LONG == 8
115			typedef unsigned long uint64;
116			typedef long int64;
117	gbeauche	1.3	#define VAL64(a) (a ## l)
118			#define UVAL64(a) (a ## ul)
119	cebix	1.1	#elif SIZEOF_LONG_LONG == 8
120			typedef unsigned long long uint64;
121			typedef long long int64;
122	gbeauche	1.3	#define VAL64(a) (a ## LL)
123			#define UVAL64(a) (a ## uLL)
124	cebix	1.1	#else
125			#error "No 8 byte type, you lose."
126			#endif
127	gbeauche	1.3	#if SIZEOF_VOID_P == 4
128			typedef uint32 uintptr;
129			typedef int32 intptr;
130			#elif SIZEOF_VOID_P == 8
131			typedef uint64 uintptr;
132			typedef int64 intptr;
133			#else
134			#error "Unsupported size of pointer"
135	gbeauche	1.5	#endif
136
137	gbeauche	1.15	/**
138			* Helper functions to byteswap data
139			**/
140
141			#if defined(__GNUC__)
142			#if defined(__x86_64__)
143			// Linux/AMD64 currently has no asm optimized bswap_32() in <byteswap.h>
144			#define opt_bswap_32 do_opt_bswap_32
145			static inline uint32 do_opt_bswap_32(uint32 x)
146			{
147			uint32 v;
148			__asm__ __volatile__ ("bswap %0" : "=r" (v) : "0" (x));
149			return v;
150			}
151			#endif
152			#endif
153
154	gbeauche	1.5	#ifdef HAVE_BYTESWAP_H
155			#include <byteswap.h>
156			#endif
157
158	gbeauche	1.15	#ifdef opt_bswap_16
159			#undef bswap_16
160			#define bswap_16 opt_bswap_16
161			#endif
162	gbeauche	1.5	#ifndef bswap_16
163			#define bswap_16 generic_bswap_16
164			#endif
165
166			static inline uint16 generic_bswap_16(uint16 x)
167			{
168			return ((x & 0xff) << 8) \| ((x >> 8) & 0xff);
169			}
170
171	gbeauche	1.15	#ifdef opt_bswap_32
172			#undef bswap_32
173			#define bswap_32 opt_bswap_32
174			#endif
175	gbeauche	1.5	#ifndef bswap_32
176			#define bswap_32 generic_bswap_32
177			#endif
178
179			static inline uint32 generic_bswap_32(uint32 x)
180			{
181			return (((x & 0xff000000) >> 24) \|
182			((x & 0x00ff0000) >> 8) \|
183			((x & 0x0000ff00) << 8) \|
184			((x & 0x000000ff) << 24) );
185			}
186
187	gbeauche	1.15	#ifdef opt_bswap_64
188			#undef bswap_64
189			#define bswap_64 opt_bswap_64
190			#endif
191	gbeauche	1.5	#ifndef bswap_64
192			#define bswap_64 generic_bswap_64
193			#endif
194
195			static inline uint64 generic_bswap_64(uint64 x)
196			{
197			return (((x & UVAL64(0xff00000000000000)) >> 56) \|
198			((x & UVAL64(0x00ff000000000000)) >> 40) \|
199			((x & UVAL64(0x0000ff0000000000)) >> 24) \|
200			((x & UVAL64(0x000000ff00000000)) >> 8) \|
201			((x & UVAL64(0x00000000ff000000)) << 8) \|
202			((x & UVAL64(0x0000000000ff0000)) << 24) \|
203			((x & UVAL64(0x000000000000ff00)) << 40) \|
204			((x & UVAL64(0x00000000000000ff)) << 56) );
205			}
206
207			#ifdef WORDS_BIGENDIAN
208			static inline uint16 tswap16(uint16 x) { return x; }
209			static inline uint32 tswap32(uint32 x) { return x; }
210			static inline uint64 tswap64(uint64 x) { return x; }
211			#else
212			static inline uint16 tswap16(uint16 x) { return bswap_16(x); }
213			static inline uint32 tswap32(uint32 x) { return bswap_32(x); }
214			static inline uint64 tswap64(uint64 x) { return bswap_64(x); }
215	gbeauche	1.3	#endif
216	cebix	1.1
217	gbeauche	1.6	// spin locks
218			#ifdef __GNUC__
219
220	gbeauche	1.22	#if defined(__powerpc__) \|\| defined(__ppc__)
221	gbeauche	1.6	#define HAVE_TEST_AND_SET 1
222	gbeauche	1.20	static inline int testandset(volatile int *p)
223	gbeauche	1.6	{
224			int ret;
225	gbeauche	1.22	__asm__ __volatile__("0: lwarx %0,0,%1\n"
226			" xor. %0,%3,%0\n"
227			" bne 1f\n"
228			" stwcx. %2,0,%1\n"
229			" bne- 0b\n"
230	gbeauche	1.6	"1: "
231			: "=&r" (ret)
232			: "r" (p), "r" (1), "r" (0)
233			: "cr0", "memory");
234			return ret;
235			}
236			#endif
237
238			#ifdef __i386__
239			#define HAVE_TEST_AND_SET 1
240	gbeauche	1.20	static inline int testandset(volatile int *p)
241	gbeauche	1.6	{
242	gbeauche	1.20	int ret;
243	gbeauche	1.6	long int readval;
244	gbeauche	1.20	/* Note: the "xchg" instruction does not need a "lock" prefix */
245			__asm__ __volatile__("xchgl %0, %1"
246			: "=r" (ret), "=m" (*p), "=a" (readval)
247			: "0" (1), "m" (*p)
248	gbeauche	1.6	: "memory");
249			return ret;
250			}
251			#endif
252
253			#ifdef __s390__
254			#define HAVE_TEST_AND_SET 1
255	gbeauche	1.20	static inline int testandset(volatile int *p)
256	gbeauche	1.6	{
257			int ret;
258
259			__asm__ __volatile__("0: cs %0,%1,0(%2)\n"
260			" jl 0b"
261			: "=&d" (ret)
262			: "r" (1), "a" (p), "0" (*p)
263			: "cc", "memory" );
264			return ret;
265			}
266			#endif
267
268			#ifdef __alpha__
269			#define HAVE_TEST_AND_SET 1
270	gbeauche	1.20	static inline int testandset(volatile int *p)
271	gbeauche	1.6	{
272			int ret;
273			unsigned long one;
274
275			__asm__ __volatile__("0: mov 1,%2\n"
276			" ldl_l %0,%1\n"
277			" stl_c %2,%1\n"
278			" beq %2,1f\n"
279			".subsection 2\n"
280			"1: br 0b\n"
281			".previous"
282			: "=r" (ret), "=m" (*p), "=r" (one)
283			: "m" (*p));
284			return ret;
285			}
286			#endif
287
288			#ifdef __sparc__
289			#define HAVE_TEST_AND_SET 1
290	gbeauche	1.20	static inline int testandset(volatile int *p)
291	gbeauche	1.6	{
292			int ret;
293
294			__asm__ __volatile__("ldstub [%1], %0"
295			: "=r" (ret)
296			: "r" (p)
297			: "memory");
298
299			return (ret ? 1 : 0);
300			}
301			#endif
302
303			#ifdef __arm__
304			#define HAVE_TEST_AND_SET 1
305	gbeauche	1.20	static inline int testandset(volatile int *p)
306	gbeauche	1.6	{
307			register unsigned int ret;
308			__asm__ __volatile__("swp %0, %1, [%2]"
309			: "=r"(ret)
310			: "0"(1), "r"(p));
311
312			return ret;
313			}
314			#endif
315
316			#endif /* __GNUC__ */
317
318			#if HAVE_TEST_AND_SET
319			#define HAVE_SPINLOCKS 1
320	gbeauche	1.20	typedef volatile int spinlock_t;
321	gbeauche	1.6
322	gbeauche	1.8	static const spinlock_t SPIN_LOCK_UNLOCKED = 0;
323	gbeauche	1.6
324			static inline void spin_lock(spinlock_t *lock)
325			{
326			while (testandset(lock));
327			}
328
329			static inline void spin_unlock(spinlock_t *lock)
330			{
331			*lock = 0;
332			}
333
334			static inline int spin_trylock(spinlock_t *lock)
335			{
336			return !testandset(lock);
337			}
338			#endif
339
340	cebix	1.1	// Time data type for Time Manager emulation
341			#ifdef HAVE_CLOCK_GETTIME
342			typedef struct timespec tm_time_t;
343			#else
344			typedef struct timeval tm_time_t;
345			#endif
346
347	gbeauche	1.18	// Timing functions
348			extern uint64 GetTicks_usec(void);
349			extern void Delay_usec(uint32 usec);
350
351	cebix	1.2	// Setup pthread attributes
352			extern void Set_pthread_attr(pthread_attr_t *attr, int priority);
353
354	cebix	1.1	// Various definitions
355			typedef struct rgb_color {
356			uint8 red;
357			uint8 green;
358			uint8 blue;
359			uint8 alpha;
360			} rgb_color;
361
362	gbeauche	1.19	// X11 display fast locks
363			#ifdef HAVE_SPINLOCKS
364			#define X11_LOCK_TYPE spinlock_t
365			#define X11_LOCK_INIT SPIN_LOCK_UNLOCKED
366			#define XDisplayLock() spin_lock(&x_display_lock)
367			#define XDisplayUnlock() spin_unlock(&x_display_lock)
368			#elif defined(HAVE_PTHREADS)
369			#define X11_LOCK_TYPE pthread_mutex_t
370			#define X11_LOCK_INIT PTHREAD_MUTEX_INITIALIZER
371			#define XDisplayLock() pthread_mutex_lock(&x_display_lock);
372			#define XDisplayUnlock() pthread_mutex_unlock(&x_display_lock);
373			#else
374			#define XDisplayLock()
375			#define XDisplayUnlock()
376			#endif
377			#ifdef X11_LOCK_TYPE
378			extern X11_LOCK_TYPE x_display_lock;
379			#endif
380
381	cebix	1.1	// Macro for calling MacOS routines
382			#define CallMacOS(type, tvect) call_macos((uint32)tvect)
383			#define CallMacOS1(type, tvect, arg1) call_macos1((uint32)tvect, (uint32)arg1)
384			#define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uint32)tvect, (uint32)arg1, (uint32)arg2)
385			#define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3)
386			#define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4)
387			#define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4, (uint32)arg5)
388			#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)
389			#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)
390
391	gbeauche	1.3	#ifdef __cplusplus
392			extern "C" {
393			#endif
394			extern uint32 call_macos(uint32 tvect);
395			extern uint32 call_macos1(uint32 tvect, uint32 arg1);
396			extern uint32 call_macos2(uint32 tvect, uint32 arg1, uint32 arg2);
397			extern uint32 call_macos3(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3);
398			extern uint32 call_macos4(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4);
399			extern uint32 call_macos5(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5);
400			extern uint32 call_macos6(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6);
401			extern uint32 call_macos7(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6, uint32 arg7);
402			#ifdef __cplusplus
403			}
404			#endif
405	cebix	1.1
406			#endif