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
// 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__) || 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:	1.27
Committed:	2004-05-12T11:38:16Z (20 years ago) by gbeauche
Content type:	text/plain
Branch:	MAIN
Changes since 1.26:	+0 -4 lines
Log Message:	Direct block chaining works on all supported platforms, enabled by default
#	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	gbeauche	1.7	// Handle interrupts asynchronously?
76			#define ASYNC_IRQ 0
77	gbeauche	1.5	// Mac ROM is write protected when banked memory is used
78			#if REAL_ADDRESSING \|\| DIRECT_ADDRESSING
79			# define ROM_IS_WRITE_PROTECTED 0
80			# define USE_SCRATCHMEM_SUBTERFUGE 1
81	cebix	1.1	#else
82	gbeauche	1.5	# define ROM_IS_WRITE_PROTECTED 1
83			#endif
84	gbeauche	1.9	// Configure PowerPC emulator
85	gbeauche	1.13	#define PPC_CHECK_INTERRUPTS (ASYNC_IRQ ? 0 : 1)
86	gbeauche	1.14	#define PPC_DECODE_CACHE 1
87	gbeauche	1.10	#define PPC_FLIGHT_RECORDER 1
88	gbeauche	1.17	#define PPC_PROFILE_COMPILE_TIME 0
89			#define PPC_PROFILE_GENERIC_CALLS 0
90	gbeauche	1.16	#define KPX_MAX_CPUS 1
91	gbeauche	1.5	#else
92			// Mac ROM is write protected
93			#define ROM_IS_WRITE_PROTECTED 1
94			#define USE_SCRATCHMEM_SUBTERFUGE 0
95	cebix	1.1	#endif
96
97			// Data types
98			typedef unsigned char uint8;
99			typedef signed char int8;
100			#if SIZEOF_SHORT == 2
101			typedef unsigned short uint16;
102			typedef short int16;
103			#elif SIZEOF_INT == 2
104			typedef unsigned int uint16;
105			typedef int int16;
106			#else
107			#error "No 2 byte type, you lose."
108			#endif
109			#if SIZEOF_INT == 4
110			typedef unsigned int uint32;
111			typedef int int32;
112			#elif SIZEOF_LONG == 4
113			typedef unsigned long uint32;
114			typedef long int32;
115			#else
116			#error "No 4 byte type, you lose."
117			#endif
118			#if SIZEOF_LONG == 8
119			typedef unsigned long uint64;
120			typedef long int64;
121	gbeauche	1.3	#define VAL64(a) (a ## l)
122			#define UVAL64(a) (a ## ul)
123	cebix	1.1	#elif SIZEOF_LONG_LONG == 8
124			typedef unsigned long long uint64;
125			typedef long long int64;
126	gbeauche	1.3	#define VAL64(a) (a ## LL)
127			#define UVAL64(a) (a ## uLL)
128	cebix	1.1	#else
129			#error "No 8 byte type, you lose."
130			#endif
131	gbeauche	1.3	#if SIZEOF_VOID_P == 4
132			typedef uint32 uintptr;
133			typedef int32 intptr;
134			#elif SIZEOF_VOID_P == 8
135			typedef uint64 uintptr;
136			typedef int64 intptr;
137			#else
138			#error "Unsupported size of pointer"
139	gbeauche	1.5	#endif
140
141	gbeauche	1.15	/**
142			* Helper functions to byteswap data
143			**/
144
145			#if defined(__GNUC__)
146	gbeauche	1.23	#if defined(__x86_64__) \|\| defined(__i386__)
147	gbeauche	1.15	// Linux/AMD64 currently has no asm optimized bswap_32() in <byteswap.h>
148			#define opt_bswap_32 do_opt_bswap_32
149			static inline uint32 do_opt_bswap_32(uint32 x)
150			{
151			uint32 v;
152			__asm__ __volatile__ ("bswap %0" : "=r" (v) : "0" (x));
153			return v;
154			}
155			#endif
156			#endif
157
158	gbeauche	1.5	#ifdef HAVE_BYTESWAP_H
159			#include <byteswap.h>
160			#endif
161
162	gbeauche	1.15	#ifdef opt_bswap_16
163			#undef bswap_16
164			#define bswap_16 opt_bswap_16
165			#endif
166	gbeauche	1.5	#ifndef bswap_16
167			#define bswap_16 generic_bswap_16
168			#endif
169
170			static inline uint16 generic_bswap_16(uint16 x)
171			{
172			return ((x & 0xff) << 8) \| ((x >> 8) & 0xff);
173			}
174
175	gbeauche	1.15	#ifdef opt_bswap_32
176			#undef bswap_32
177			#define bswap_32 opt_bswap_32
178			#endif
179	gbeauche	1.5	#ifndef bswap_32
180			#define bswap_32 generic_bswap_32
181			#endif
182
183			static inline uint32 generic_bswap_32(uint32 x)
184			{
185			return (((x & 0xff000000) >> 24) \|
186			((x & 0x00ff0000) >> 8) \|
187			((x & 0x0000ff00) << 8) \|
188			((x & 0x000000ff) << 24) );
189			}
190	gbeauche	1.23
191			#if defined(__i386__)
192			#define opt_bswap_64 do_opt_bswap_64
193			static inline uint64 do_opt_bswap_64(uint64 x)
194			{
195			return (bswap_32(x >> 32) \| (((uint64)bswap_32((uint32)x)) << 32));
196			}
197			#endif
198	gbeauche	1.5
199	gbeauche	1.15	#ifdef opt_bswap_64
200			#undef bswap_64
201			#define bswap_64 opt_bswap_64
202			#endif
203	gbeauche	1.5	#ifndef bswap_64
204			#define bswap_64 generic_bswap_64
205			#endif
206
207			static inline uint64 generic_bswap_64(uint64 x)
208			{
209			return (((x & UVAL64(0xff00000000000000)) >> 56) \|
210			((x & UVAL64(0x00ff000000000000)) >> 40) \|
211			((x & UVAL64(0x0000ff0000000000)) >> 24) \|
212			((x & UVAL64(0x000000ff00000000)) >> 8) \|
213			((x & UVAL64(0x00000000ff000000)) << 8) \|
214			((x & UVAL64(0x0000000000ff0000)) << 24) \|
215			((x & UVAL64(0x000000000000ff00)) << 40) \|
216			((x & UVAL64(0x00000000000000ff)) << 56) );
217			}
218
219			#ifdef WORDS_BIGENDIAN
220			static inline uint16 tswap16(uint16 x) { return x; }
221			static inline uint32 tswap32(uint32 x) { return x; }
222			static inline uint64 tswap64(uint64 x) { return x; }
223			#else
224			static inline uint16 tswap16(uint16 x) { return bswap_16(x); }
225			static inline uint32 tswap32(uint32 x) { return bswap_32(x); }
226			static inline uint64 tswap64(uint64 x) { return bswap_64(x); }
227	gbeauche	1.3	#endif
228	cebix	1.1
229	gbeauche	1.6	// spin locks
230			#ifdef __GNUC__
231
232	gbeauche	1.22	#if defined(__powerpc__) \|\| defined(__ppc__)
233	gbeauche	1.6	#define HAVE_TEST_AND_SET 1
234	gbeauche	1.20	static inline int testandset(volatile int *p)
235	gbeauche	1.6	{
236			int ret;
237	gbeauche	1.22	__asm__ __volatile__("0: lwarx %0,0,%1\n"
238			" xor. %0,%3,%0\n"
239			" bne 1f\n"
240			" stwcx. %2,0,%1\n"
241			" bne- 0b\n"
242	gbeauche	1.6	"1: "
243			: "=&r" (ret)
244			: "r" (p), "r" (1), "r" (0)
245			: "cr0", "memory");
246			return ret;
247			}
248			#endif
249
250			#ifdef __i386__
251			#define HAVE_TEST_AND_SET 1
252	gbeauche	1.20	static inline int testandset(volatile int *p)
253	gbeauche	1.6	{
254	gbeauche	1.20	int ret;
255	gbeauche	1.6	long int readval;
256	gbeauche	1.20	/* Note: the "xchg" instruction does not need a "lock" prefix */
257			__asm__ __volatile__("xchgl %0, %1"
258			: "=r" (ret), "=m" (*p), "=a" (readval)
259			: "0" (1), "m" (*p)
260	gbeauche	1.6	: "memory");
261			return ret;
262			}
263			#endif
264
265			#ifdef __s390__
266			#define HAVE_TEST_AND_SET 1
267	gbeauche	1.20	static inline int testandset(volatile int *p)
268	gbeauche	1.6	{
269			int ret;
270
271			__asm__ __volatile__("0: cs %0,%1,0(%2)\n"
272			" jl 0b"
273			: "=&d" (ret)
274			: "r" (1), "a" (p), "0" (*p)
275			: "cc", "memory" );
276			return ret;
277			}
278			#endif
279
280			#ifdef __alpha__
281			#define HAVE_TEST_AND_SET 1
282	gbeauche	1.20	static inline int testandset(volatile int *p)
283	gbeauche	1.6	{
284			int ret;
285			unsigned long one;
286
287			__asm__ __volatile__("0: mov 1,%2\n"
288			" ldl_l %0,%1\n"
289			" stl_c %2,%1\n"
290			" beq %2,1f\n"
291			".subsection 2\n"
292			"1: br 0b\n"
293			".previous"
294			: "=r" (ret), "=m" (*p), "=r" (one)
295			: "m" (*p));
296			return ret;
297			}
298			#endif
299
300			#ifdef __sparc__
301			#define HAVE_TEST_AND_SET 1
302	gbeauche	1.20	static inline int testandset(volatile int *p)
303	gbeauche	1.6	{
304			int ret;
305
306			__asm__ __volatile__("ldstub [%1], %0"
307			: "=r" (ret)
308			: "r" (p)
309			: "memory");
310
311			return (ret ? 1 : 0);
312			}
313			#endif
314
315			#ifdef __arm__
316			#define HAVE_TEST_AND_SET 1
317	gbeauche	1.20	static inline int testandset(volatile int *p)
318	gbeauche	1.6	{
319			register unsigned int ret;
320			__asm__ __volatile__("swp %0, %1, [%2]"
321			: "=r"(ret)
322			: "0"(1), "r"(p));
323
324			return ret;
325			}
326			#endif
327
328			#endif /* __GNUC__ */
329
330			#if HAVE_TEST_AND_SET
331			#define HAVE_SPINLOCKS 1
332	gbeauche	1.20	typedef volatile int spinlock_t;
333	gbeauche	1.6
334	gbeauche	1.8	static const spinlock_t SPIN_LOCK_UNLOCKED = 0;
335	gbeauche	1.6
336			static inline void spin_lock(spinlock_t *lock)
337			{
338			while (testandset(lock));
339			}
340
341			static inline void spin_unlock(spinlock_t *lock)
342			{
343			*lock = 0;
344			}
345
346			static inline int spin_trylock(spinlock_t *lock)
347			{
348			return !testandset(lock);
349			}
350			#endif
351
352	cebix	1.1	// Time data type for Time Manager emulation
353			#ifdef HAVE_CLOCK_GETTIME
354			typedef struct timespec tm_time_t;
355			#else
356			typedef struct timeval tm_time_t;
357			#endif
358
359	gbeauche	1.18	// Timing functions
360			extern uint64 GetTicks_usec(void);
361			extern void Delay_usec(uint32 usec);
362
363	gbeauche	1.25	#if defined(HAVE_PTHREADS) \|\| (defined(__linux__) && defined(__powerpc__))
364	cebix	1.2	// Setup pthread attributes
365			extern void Set_pthread_attr(pthread_attr_t *attr, int priority);
366	gbeauche	1.24	#endif
367	cebix	1.2
368	cebix	1.1	// Various definitions
369			typedef struct rgb_color {
370			uint8 red;
371			uint8 green;
372			uint8 blue;
373			uint8 alpha;
374			} rgb_color;
375
376	gbeauche	1.19	// X11 display fast locks
377			#ifdef HAVE_SPINLOCKS
378			#define X11_LOCK_TYPE spinlock_t
379			#define X11_LOCK_INIT SPIN_LOCK_UNLOCKED
380			#define XDisplayLock() spin_lock(&x_display_lock)
381			#define XDisplayUnlock() spin_unlock(&x_display_lock)
382			#elif defined(HAVE_PTHREADS)
383			#define X11_LOCK_TYPE pthread_mutex_t
384			#define X11_LOCK_INIT PTHREAD_MUTEX_INITIALIZER
385			#define XDisplayLock() pthread_mutex_lock(&x_display_lock);
386			#define XDisplayUnlock() pthread_mutex_unlock(&x_display_lock);
387			#else
388			#define XDisplayLock()
389			#define XDisplayUnlock()
390			#endif
391			#ifdef X11_LOCK_TYPE
392			extern X11_LOCK_TYPE x_display_lock;
393			#endif
394
395	cebix	1.1	// Macro for calling MacOS routines
396			#define CallMacOS(type, tvect) call_macos((uint32)tvect)
397			#define CallMacOS1(type, tvect, arg1) call_macos1((uint32)tvect, (uint32)arg1)
398			#define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uint32)tvect, (uint32)arg1, (uint32)arg2)
399			#define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3)
400			#define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4)
401			#define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4, (uint32)arg5)
402			#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)
403			#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)
404
405	gbeauche	1.3	#ifdef __cplusplus
406			extern "C" {
407			#endif
408			extern uint32 call_macos(uint32 tvect);
409			extern uint32 call_macos1(uint32 tvect, uint32 arg1);
410			extern uint32 call_macos2(uint32 tvect, uint32 arg1, uint32 arg2);
411			extern uint32 call_macos3(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3);
412			extern uint32 call_macos4(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4);
413			extern uint32 call_macos5(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5);
414			extern uint32 call_macos6(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6);
415			extern uint32 call_macos7(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6, uint32 arg7);
416			#ifdef __cplusplus
417			}
418			#endif
419	cebix	1.1
420			#endif