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_PTHREADS
# include <pthread.h>
#endif

#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
// 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 defined(__i386__)
#define DYNGEN_ASM_OPTS 1
#endif
#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__) || 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;
#else
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           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:	1.30
Committed:	2004-05-20T12:33:57Z (20 years ago) by gbeauche
Content type:	text/plain
Branch:	MAIN
Changes since 1.29:	+1 -3 lines
Log Message:	Get rid of old (and broken) ASYNC_IRQ / MUTICORE code
#	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	gbeauche	1.24	#ifdef HAVE_PTHREADS
48			# include <pthread.h>
49			#endif
50
51	cebix	1.1	#ifdef HAVE_FCNTL_H
52			# include <fcntl.h>
53			#endif
54
55			#ifdef TIME_WITH_SYS_TIME
56			# include <sys/time.h>
57			# include <time.h>
58			#else
59			# ifdef HAVE_SYS_TIME_H
60			# include <sys/time.h>
61			# else
62			# include <time.h>
63			# endif
64			#endif
65
66	gbeauche	1.5	// Define for external components
67			#define SHEEPSHAVER 1
68
69	gbeauche	1.4	// Mac and host address space are the same
70			#define REAL_ADDRESSING 1
71
72	gbeauche	1.5	#define POWERPC_ROM 1
73
74			#if EMULATED_PPC
75			// Mac ROM is write protected when banked memory is used
76			#if REAL_ADDRESSING \|\| DIRECT_ADDRESSING
77			# define ROM_IS_WRITE_PROTECTED 0
78			# define USE_SCRATCHMEM_SUBTERFUGE 1
79	cebix	1.1	#else
80	gbeauche	1.5	# define ROM_IS_WRITE_PROTECTED 1
81			#endif
82	gbeauche	1.9	// Configure PowerPC emulator
83	gbeauche	1.29	#define PPC_REENTRANT_JIT 1
84	gbeauche	1.30	#define PPC_CHECK_INTERRUPTS 1
85	gbeauche	1.14	#define PPC_DECODE_CACHE 1
86	gbeauche	1.10	#define PPC_FLIGHT_RECORDER 1
87	gbeauche	1.17	#define PPC_PROFILE_COMPILE_TIME 0
88			#define PPC_PROFILE_GENERIC_CALLS 0
89	gbeauche	1.16	#define KPX_MAX_CPUS 1
90	gbeauche	1.28	#if defined(__i386__)
91			#define DYNGEN_ASM_OPTS 1
92			#endif
93	gbeauche	1.5	#else
94			// Mac ROM is write protected
95			#define ROM_IS_WRITE_PROTECTED 1
96			#define USE_SCRATCHMEM_SUBTERFUGE 0
97	cebix	1.1	#endif
98
99			// Data types
100			typedef unsigned char uint8;
101			typedef signed char int8;
102			#if SIZEOF_SHORT == 2
103			typedef unsigned short uint16;
104			typedef short int16;
105			#elif SIZEOF_INT == 2
106			typedef unsigned int uint16;
107			typedef int int16;
108			#else
109			#error "No 2 byte type, you lose."
110			#endif
111			#if SIZEOF_INT == 4
112			typedef unsigned int uint32;
113			typedef int int32;
114			#elif SIZEOF_LONG == 4
115			typedef unsigned long uint32;
116			typedef long int32;
117			#else
118			#error "No 4 byte type, you lose."
119			#endif
120			#if SIZEOF_LONG == 8
121			typedef unsigned long uint64;
122			typedef long int64;
123	gbeauche	1.3	#define VAL64(a) (a ## l)
124			#define UVAL64(a) (a ## ul)
125	cebix	1.1	#elif SIZEOF_LONG_LONG == 8
126			typedef unsigned long long uint64;
127			typedef long long int64;
128	gbeauche	1.3	#define VAL64(a) (a ## LL)
129			#define UVAL64(a) (a ## uLL)
130	cebix	1.1	#else
131			#error "No 8 byte type, you lose."
132			#endif
133	gbeauche	1.3	#if SIZEOF_VOID_P == 4
134			typedef uint32 uintptr;
135			typedef int32 intptr;
136			#elif SIZEOF_VOID_P == 8
137			typedef uint64 uintptr;
138			typedef int64 intptr;
139			#else
140			#error "Unsupported size of pointer"
141	gbeauche	1.5	#endif
142
143	gbeauche	1.15	/**
144			* Helper functions to byteswap data
145			**/
146
147			#if defined(__GNUC__)
148	gbeauche	1.23	#if defined(__x86_64__) \|\| defined(__i386__)
149	gbeauche	1.15	// Linux/AMD64 currently has no asm optimized bswap_32() in <byteswap.h>
150			#define opt_bswap_32 do_opt_bswap_32
151			static inline uint32 do_opt_bswap_32(uint32 x)
152			{
153			uint32 v;
154			__asm__ __volatile__ ("bswap %0" : "=r" (v) : "0" (x));
155			return v;
156			}
157			#endif
158			#endif
159
160	gbeauche	1.5	#ifdef HAVE_BYTESWAP_H
161			#include <byteswap.h>
162			#endif
163
164	gbeauche	1.15	#ifdef opt_bswap_16
165			#undef bswap_16
166			#define bswap_16 opt_bswap_16
167			#endif
168	gbeauche	1.5	#ifndef bswap_16
169			#define bswap_16 generic_bswap_16
170			#endif
171
172			static inline uint16 generic_bswap_16(uint16 x)
173			{
174			return ((x & 0xff) << 8) \| ((x >> 8) & 0xff);
175			}
176
177	gbeauche	1.15	#ifdef opt_bswap_32
178			#undef bswap_32
179			#define bswap_32 opt_bswap_32
180			#endif
181	gbeauche	1.5	#ifndef bswap_32
182			#define bswap_32 generic_bswap_32
183			#endif
184
185			static inline uint32 generic_bswap_32(uint32 x)
186			{
187			return (((x & 0xff000000) >> 24) \|
188			((x & 0x00ff0000) >> 8) \|
189			((x & 0x0000ff00) << 8) \|
190			((x & 0x000000ff) << 24) );
191			}
192	gbeauche	1.23
193			#if defined(__i386__)
194			#define opt_bswap_64 do_opt_bswap_64
195			static inline uint64 do_opt_bswap_64(uint64 x)
196			{
197			return (bswap_32(x >> 32) \| (((uint64)bswap_32((uint32)x)) << 32));
198			}
199			#endif
200	gbeauche	1.5
201	gbeauche	1.15	#ifdef opt_bswap_64
202			#undef bswap_64
203			#define bswap_64 opt_bswap_64
204			#endif
205	gbeauche	1.5	#ifndef bswap_64
206			#define bswap_64 generic_bswap_64
207			#endif
208
209			static inline uint64 generic_bswap_64(uint64 x)
210			{
211			return (((x & UVAL64(0xff00000000000000)) >> 56) \|
212			((x & UVAL64(0x00ff000000000000)) >> 40) \|
213			((x & UVAL64(0x0000ff0000000000)) >> 24) \|
214			((x & UVAL64(0x000000ff00000000)) >> 8) \|
215			((x & UVAL64(0x00000000ff000000)) << 8) \|
216			((x & UVAL64(0x0000000000ff0000)) << 24) \|
217			((x & UVAL64(0x000000000000ff00)) << 40) \|
218			((x & UVAL64(0x00000000000000ff)) << 56) );
219			}
220
221			#ifdef WORDS_BIGENDIAN
222			static inline uint16 tswap16(uint16 x) { return x; }
223			static inline uint32 tswap32(uint32 x) { return x; }
224			static inline uint64 tswap64(uint64 x) { return x; }
225			#else
226			static inline uint16 tswap16(uint16 x) { return bswap_16(x); }
227			static inline uint32 tswap32(uint32 x) { return bswap_32(x); }
228			static inline uint64 tswap64(uint64 x) { return bswap_64(x); }
229	gbeauche	1.3	#endif
230	cebix	1.1
231	gbeauche	1.6	// spin locks
232			#ifdef __GNUC__
233
234	gbeauche	1.22	#if defined(__powerpc__) \|\| defined(__ppc__)
235	gbeauche	1.6	#define HAVE_TEST_AND_SET 1
236	gbeauche	1.20	static inline int testandset(volatile int *p)
237	gbeauche	1.6	{
238			int ret;
239	gbeauche	1.22	__asm__ __volatile__("0: lwarx %0,0,%1\n"
240			" xor. %0,%3,%0\n"
241			" bne 1f\n"
242			" stwcx. %2,0,%1\n"
243			" bne- 0b\n"
244	gbeauche	1.6	"1: "
245			: "=&r" (ret)
246			: "r" (p), "r" (1), "r" (0)
247			: "cr0", "memory");
248			return ret;
249			}
250			#endif
251
252			#ifdef __i386__
253			#define HAVE_TEST_AND_SET 1
254	gbeauche	1.20	static inline int testandset(volatile int *p)
255	gbeauche	1.6	{
256	gbeauche	1.20	int ret;
257	gbeauche	1.6	long int readval;
258	gbeauche	1.20	/* Note: the "xchg" instruction does not need a "lock" prefix */
259			__asm__ __volatile__("xchgl %0, %1"
260			: "=r" (ret), "=m" (*p), "=a" (readval)
261			: "0" (1), "m" (*p)
262	gbeauche	1.6	: "memory");
263			return ret;
264			}
265			#endif
266
267			#ifdef __s390__
268			#define HAVE_TEST_AND_SET 1
269	gbeauche	1.20	static inline int testandset(volatile int *p)
270	gbeauche	1.6	{
271			int ret;
272
273			__asm__ __volatile__("0: cs %0,%1,0(%2)\n"
274			" jl 0b"
275			: "=&d" (ret)
276			: "r" (1), "a" (p), "0" (*p)
277			: "cc", "memory" );
278			return ret;
279			}
280			#endif
281
282			#ifdef __alpha__
283			#define HAVE_TEST_AND_SET 1
284	gbeauche	1.20	static inline int testandset(volatile int *p)
285	gbeauche	1.6	{
286			int ret;
287			unsigned long one;
288
289			__asm__ __volatile__("0: mov 1,%2\n"
290			" ldl_l %0,%1\n"
291			" stl_c %2,%1\n"
292			" beq %2,1f\n"
293			".subsection 2\n"
294			"1: br 0b\n"
295			".previous"
296			: "=r" (ret), "=m" (*p), "=r" (one)
297			: "m" (*p));
298			return ret;
299			}
300			#endif
301
302			#ifdef __sparc__
303			#define HAVE_TEST_AND_SET 1
304	gbeauche	1.20	static inline int testandset(volatile int *p)
305	gbeauche	1.6	{
306			int ret;
307
308			__asm__ __volatile__("ldstub [%1], %0"
309			: "=r" (ret)
310			: "r" (p)
311			: "memory");
312
313			return (ret ? 1 : 0);
314			}
315			#endif
316
317			#ifdef __arm__
318			#define HAVE_TEST_AND_SET 1
319	gbeauche	1.20	static inline int testandset(volatile int *p)
320	gbeauche	1.6	{
321			register unsigned int ret;
322			__asm__ __volatile__("swp %0, %1, [%2]"
323			: "=r"(ret)
324			: "0"(1), "r"(p));
325
326			return ret;
327			}
328			#endif
329
330			#endif /* __GNUC__ */
331
332			#if HAVE_TEST_AND_SET
333			#define HAVE_SPINLOCKS 1
334	gbeauche	1.20	typedef volatile int spinlock_t;
335	gbeauche	1.6
336	gbeauche	1.8	static const spinlock_t SPIN_LOCK_UNLOCKED = 0;
337	gbeauche	1.6
338			static inline void spin_lock(spinlock_t *lock)
339			{
340			while (testandset(lock));
341			}
342
343			static inline void spin_unlock(spinlock_t *lock)
344			{
345			*lock = 0;
346			}
347
348			static inline int spin_trylock(spinlock_t *lock)
349			{
350			return !testandset(lock);
351			}
352			#endif
353
354	cebix	1.1	// Time data type for Time Manager emulation
355			#ifdef HAVE_CLOCK_GETTIME
356			typedef struct timespec tm_time_t;
357			#else
358			typedef struct timeval tm_time_t;
359			#endif
360
361	gbeauche	1.18	// Timing functions
362			extern uint64 GetTicks_usec(void);
363			extern void Delay_usec(uint32 usec);
364
365	gbeauche	1.25	#if defined(HAVE_PTHREADS) \|\| (defined(__linux__) && defined(__powerpc__))
366	cebix	1.2	// Setup pthread attributes
367			extern void Set_pthread_attr(pthread_attr_t *attr, int priority);
368	gbeauche	1.24	#endif
369	cebix	1.2
370	cebix	1.1	// Various definitions
371			typedef struct rgb_color {
372			uint8 red;
373			uint8 green;
374			uint8 blue;
375			uint8 alpha;
376			} rgb_color;
377
378	gbeauche	1.19	// X11 display fast locks
379			#ifdef HAVE_SPINLOCKS
380			#define X11_LOCK_TYPE spinlock_t
381			#define X11_LOCK_INIT SPIN_LOCK_UNLOCKED
382			#define XDisplayLock() spin_lock(&x_display_lock)
383			#define XDisplayUnlock() spin_unlock(&x_display_lock)
384			#elif defined(HAVE_PTHREADS)
385			#define X11_LOCK_TYPE pthread_mutex_t
386			#define X11_LOCK_INIT PTHREAD_MUTEX_INITIALIZER
387			#define XDisplayLock() pthread_mutex_lock(&x_display_lock);
388			#define XDisplayUnlock() pthread_mutex_unlock(&x_display_lock);
389			#else
390			#define XDisplayLock()
391			#define XDisplayUnlock()
392			#endif
393			#ifdef X11_LOCK_TYPE
394			extern X11_LOCK_TYPE x_display_lock;
395			#endif
396
397	cebix	1.1	// Macro for calling MacOS routines
398			#define CallMacOS(type, tvect) call_macos((uint32)tvect)
399			#define CallMacOS1(type, tvect, arg1) call_macos1((uint32)tvect, (uint32)arg1)
400			#define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uint32)tvect, (uint32)arg1, (uint32)arg2)
401			#define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3)
402			#define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4)
403			#define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4, (uint32)arg5)
404			#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)
405			#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)
406
407	gbeauche	1.3	#ifdef __cplusplus
408			extern "C" {
409			#endif
410			extern uint32 call_macos(uint32 tvect);
411			extern uint32 call_macos1(uint32 tvect, uint32 arg1);
412			extern uint32 call_macos2(uint32 tvect, uint32 arg1, uint32 arg2);
413			extern uint32 call_macos3(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3);
414			extern uint32 call_macos4(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4);
415			extern uint32 call_macos5(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5);
416			extern uint32 call_macos6(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6);
417			extern uint32 call_macos7(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6, uint32 arg7);
418			#ifdef __cplusplus
419			}
420			#endif
421	cebix	1.1
422			#endif