src/Unix/sysdeps.h

/*
 *  sysdeps.h - System dependent definitions for Linux
 *
 *  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_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 <stddef.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

// Fix offsetof() on FreeBSD and GCC >= 3.4
#if defined(__FreeBSD__) && defined(__cplusplus)
#undef offsetof
/* The cast to "char &" below avoids problems with user-defined
   "operator &", which can appear in a POD type.  */
#define offsetof(TYPE, MEMBER)                          \
  (__offsetof__ (reinterpret_cast <size_t>              \
                 (&reinterpret_cast <char &>            \
                  (static_cast<TYPE *> (0)->MEMBER))))
#endif

// Define for external components
#define SHEEPSHAVER 1

// Always use Real Addressing mode on native architectures
// Otherwise, use Direct Addressing mode if NATMEM_OFFSET is set
#if !defined(EMULATED_PPC)
#define REAL_ADDRESSING 1
#include "ppc_asm.tmpl"
#elif defined(NATMEM_OFFSET)
#define DIRECT_ADDRESSING 1
#else
#define REAL_ADDRESSING 1
#endif

// Always use the complete non-stubs Ethernet driver
#if DIRECT_ADDRESSING
#define USE_ETHER_FULL_DRIVER 1
#endif

#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 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
#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

#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 __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__ */

typedef volatile int spinlock_t;

static const spinlock_t SPIN_LOCK_UNLOCKED = 0;

#if defined(HAVE_TEST_AND_SET) && defined(HAVE_PTHREADS)
// There is nothing to lock if we are not in an multithreaded environment
#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
#ifdef HAVE_CLOCK_GETTIME
typedef struct timespec tm_time_t;
#else
typedef struct timeval tm_time_t;
#endif

/* Define codes for all the float formats that we know of.
 * Though we only handle IEEE format.  */
#define UNKNOWN_FLOAT_FORMAT 0
#define IEEE_FLOAT_FORMAT 1
#define VAX_FLOAT_FORMAT 2
#define IBM_FLOAT_FORMAT 3
#define C4X_FLOAT_FORMAT 4

// High-precision timing
#if defined(HAVE_PTHREADS) && defined(HAVE_CLOCK_NANOSLEEP)
#define PRECISE_TIMING 1
#define PRECISE_TIMING_POSIX 1
#endif

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

#ifdef HAVE_PTHREADS
// 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
#if 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);
#elif defined(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)
#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((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

#endif
Revision:	1.48
Committed:	2005-07-03T22:02:01Z (19 years, 3 months ago) by gbeauche
Content type:	text/plain
Branch:	MAIN
Changes since 1.47:	+5 -0 lines
Log Message:	Minor tweaks to support compilation of ether.cpp within MacOS. i.e. mostly migrate the Ethernet driver to the MacOS side. This is enabled for DIRECT_ADDRESSING cases. I didn't want to alter much of ether.cpp (as it would have required to support that mode). Of course, in REAL_ADDRESSING mode (the default) and for debugging purposes, the old driver is still available.
#	User	Rev	Content
1	cebix	1.1	/*
2			* sysdeps.h - System dependent definitions for Linux
3			*
4	gbeauche	1.36	* SheepShaver (C) 1997-2005 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	gbeauche	1.37	#include <stddef.h>
45	cebix	1.1	#include <string.h>
46			#include <signal.h>
47
48	gbeauche	1.24	#ifdef HAVE_PTHREADS
49			# include <pthread.h>
50			#endif
51
52	cebix	1.1	#ifdef HAVE_FCNTL_H
53			# include <fcntl.h>
54			#endif
55
56			#ifdef TIME_WITH_SYS_TIME
57			# include <sys/time.h>
58			# include <time.h>
59			#else
60			# ifdef HAVE_SYS_TIME_H
61			# include <sys/time.h>
62			# else
63			# include <time.h>
64			# endif
65			#endif
66
67	gbeauche	1.37	// Fix offsetof() on FreeBSD and GCC >= 3.4
68			#if defined(__FreeBSD__) && defined(__cplusplus)
69			#undef offsetof
70			/* The cast to "char &" below avoids problems with user-defined
71			"operator &", which can appear in a POD type. */
72			#define offsetof(TYPE, MEMBER) \
73			(__offsetof__ (reinterpret_cast <size_t> \
74			(&reinterpret_cast <char &> \
75			(static_cast<TYPE *> (0)->MEMBER))))
76			#endif
77
78	gbeauche	1.5	// Define for external components
79			#define SHEEPSHAVER 1
80
81	gbeauche	1.34	// Always use Real Addressing mode on native architectures
82			// Otherwise, use Direct Addressing mode if NATMEM_OFFSET is set
83	gbeauche	1.35	#if !defined(EMULATED_PPC)
84	gbeauche	1.4	#define REAL_ADDRESSING 1
85	gbeauche	1.39	#include "ppc_asm.tmpl"
86	gbeauche	1.35	#elif defined(NATMEM_OFFSET)
87			#define DIRECT_ADDRESSING 1
88	gbeauche	1.34	#else
89	gbeauche	1.35	#define REAL_ADDRESSING 1
90	gbeauche	1.34	#endif
91	gbeauche	1.4
92	gbeauche	1.48	// Always use the complete non-stubs Ethernet driver
93			#if DIRECT_ADDRESSING
94			#define USE_ETHER_FULL_DRIVER 1
95			#endif
96
97	gbeauche	1.5	#define POWERPC_ROM 1
98
99			#if EMULATED_PPC
100			// Mac ROM is write protected when banked memory is used
101			#if REAL_ADDRESSING \|\| DIRECT_ADDRESSING
102			# define ROM_IS_WRITE_PROTECTED 0
103			# define USE_SCRATCHMEM_SUBTERFUGE 1
104	cebix	1.1	#else
105	gbeauche	1.5	# define ROM_IS_WRITE_PROTECTED 1
106			#endif
107	gbeauche	1.9	// Configure PowerPC emulator
108	gbeauche	1.29	#define PPC_REENTRANT_JIT 1
109	gbeauche	1.30	#define PPC_CHECK_INTERRUPTS 1
110	gbeauche	1.14	#define PPC_DECODE_CACHE 1
111	gbeauche	1.10	#define PPC_FLIGHT_RECORDER 1
112	gbeauche	1.17	#define PPC_PROFILE_COMPILE_TIME 0
113			#define PPC_PROFILE_GENERIC_CALLS 0
114	gbeauche	1.16	#define KPX_MAX_CPUS 1
115	gbeauche	1.33	#if ENABLE_DYNGEN
116			// Don't bother with predecode cache when using JIT
117			#define PPC_ENABLE_JIT 1
118			#undef PPC_DECODE_CACHE
119			#endif
120	gbeauche	1.28	#if defined(__i386__)
121			#define DYNGEN_ASM_OPTS 1
122			#endif
123	gbeauche	1.5	#else
124			// Mac ROM is write protected
125			#define ROM_IS_WRITE_PROTECTED 1
126			#define USE_SCRATCHMEM_SUBTERFUGE 0
127	cebix	1.1	#endif
128
129			// Data types
130			typedef unsigned char uint8;
131			typedef signed char int8;
132			#if SIZEOF_SHORT == 2
133			typedef unsigned short uint16;
134			typedef short int16;
135			#elif SIZEOF_INT == 2
136			typedef unsigned int uint16;
137			typedef int int16;
138			#else
139			#error "No 2 byte type, you lose."
140			#endif
141			#if SIZEOF_INT == 4
142			typedef unsigned int uint32;
143			typedef int int32;
144			#elif SIZEOF_LONG == 4
145			typedef unsigned long uint32;
146			typedef long int32;
147			#else
148			#error "No 4 byte type, you lose."
149			#endif
150			#if SIZEOF_LONG == 8
151			typedef unsigned long uint64;
152			typedef long int64;
153	gbeauche	1.3	#define VAL64(a) (a ## l)
154			#define UVAL64(a) (a ## ul)
155	cebix	1.1	#elif SIZEOF_LONG_LONG == 8
156			typedef unsigned long long uint64;
157			typedef long long int64;
158	gbeauche	1.3	#define VAL64(a) (a ## LL)
159			#define UVAL64(a) (a ## uLL)
160	cebix	1.1	#else
161			#error "No 8 byte type, you lose."
162			#endif
163	gbeauche	1.3	#if SIZEOF_VOID_P == 4
164			typedef uint32 uintptr;
165			typedef int32 intptr;
166			#elif SIZEOF_VOID_P == 8
167			typedef uint64 uintptr;
168			typedef int64 intptr;
169			#else
170			#error "Unsupported size of pointer"
171	gbeauche	1.5	#endif
172
173	gbeauche	1.15	/**
174			* Helper functions to byteswap data
175			**/
176
177			#if defined(__GNUC__)
178	gbeauche	1.23	#if defined(__x86_64__) \|\| defined(__i386__)
179	gbeauche	1.15	// Linux/AMD64 currently has no asm optimized bswap_32() in <byteswap.h>
180			#define opt_bswap_32 do_opt_bswap_32
181			static inline uint32 do_opt_bswap_32(uint32 x)
182			{
183			uint32 v;
184			__asm__ __volatile__ ("bswap %0" : "=r" (v) : "0" (x));
185			return v;
186			}
187			#endif
188			#endif
189
190	gbeauche	1.5	#ifdef HAVE_BYTESWAP_H
191			#include <byteswap.h>
192			#endif
193
194	gbeauche	1.15	#ifdef opt_bswap_16
195			#undef bswap_16
196			#define bswap_16 opt_bswap_16
197			#endif
198	gbeauche	1.5	#ifndef bswap_16
199			#define bswap_16 generic_bswap_16
200			#endif
201
202			static inline uint16 generic_bswap_16(uint16 x)
203			{
204			return ((x & 0xff) << 8) \| ((x >> 8) & 0xff);
205			}
206
207	gbeauche	1.15	#ifdef opt_bswap_32
208			#undef bswap_32
209			#define bswap_32 opt_bswap_32
210			#endif
211	gbeauche	1.5	#ifndef bswap_32
212			#define bswap_32 generic_bswap_32
213			#endif
214
215			static inline uint32 generic_bswap_32(uint32 x)
216			{
217			return (((x & 0xff000000) >> 24) \|
218			((x & 0x00ff0000) >> 8) \|
219			((x & 0x0000ff00) << 8) \|
220			((x & 0x000000ff) << 24) );
221			}
222	gbeauche	1.23
223			#if defined(__i386__)
224			#define opt_bswap_64 do_opt_bswap_64
225			static inline uint64 do_opt_bswap_64(uint64 x)
226			{
227			return (bswap_32(x >> 32) \| (((uint64)bswap_32((uint32)x)) << 32));
228			}
229			#endif
230	gbeauche	1.5
231	gbeauche	1.15	#ifdef opt_bswap_64
232			#undef bswap_64
233			#define bswap_64 opt_bswap_64
234			#endif
235	gbeauche	1.5	#ifndef bswap_64
236			#define bswap_64 generic_bswap_64
237			#endif
238
239			static inline uint64 generic_bswap_64(uint64 x)
240			{
241			return (((x & UVAL64(0xff00000000000000)) >> 56) \|
242			((x & UVAL64(0x00ff000000000000)) >> 40) \|
243			((x & UVAL64(0x0000ff0000000000)) >> 24) \|
244			((x & UVAL64(0x000000ff00000000)) >> 8) \|
245			((x & UVAL64(0x00000000ff000000)) << 8) \|
246			((x & UVAL64(0x0000000000ff0000)) << 24) \|
247			((x & UVAL64(0x000000000000ff00)) << 40) \|
248			((x & UVAL64(0x00000000000000ff)) << 56) );
249			}
250
251			#ifdef WORDS_BIGENDIAN
252			static inline uint16 tswap16(uint16 x) { return x; }
253			static inline uint32 tswap32(uint32 x) { return x; }
254			static inline uint64 tswap64(uint64 x) { return x; }
255			#else
256			static inline uint16 tswap16(uint16 x) { return bswap_16(x); }
257			static inline uint32 tswap32(uint32 x) { return bswap_32(x); }
258			static inline uint64 tswap64(uint64 x) { return bswap_64(x); }
259	gbeauche	1.3	#endif
260	cebix	1.1
261	gbeauche	1.6	// spin locks
262			#ifdef __GNUC__
263
264	gbeauche	1.22	#if defined(__powerpc__) \|\| defined(__ppc__)
265	gbeauche	1.6	#define HAVE_TEST_AND_SET 1
266	gbeauche	1.20	static inline int testandset(volatile int *p)
267	gbeauche	1.6	{
268			int ret;
269	gbeauche	1.22	__asm__ __volatile__("0: lwarx %0,0,%1\n"
270			" xor. %0,%3,%0\n"
271			" bne 1f\n"
272			" stwcx. %2,0,%1\n"
273			" bne- 0b\n"
274	gbeauche	1.6	"1: "
275			: "=&r" (ret)
276			: "r" (p), "r" (1), "r" (0)
277			: "cr0", "memory");
278			return ret;
279			}
280			#endif
281
282	gbeauche	1.45	#if defined(__i386__) \|\| defined(__x86_64__)
283	gbeauche	1.6	#define HAVE_TEST_AND_SET 1
284	gbeauche	1.20	static inline int testandset(volatile int *p)
285	gbeauche	1.6	{
286	gbeauche	1.31	long int ret;
287	gbeauche	1.20	/* Note: the "xchg" instruction does not need a "lock" prefix */
288	gbeauche	1.31	__asm__ __volatile__("xchgl %k0, %1"
289			: "=r" (ret), "=m" (*p)
290	gbeauche	1.20	: "0" (1), "m" (*p)
291	gbeauche	1.6	: "memory");
292			return ret;
293			}
294			#endif
295
296			#ifdef __s390__
297			#define HAVE_TEST_AND_SET 1
298	gbeauche	1.20	static inline int testandset(volatile int *p)
299	gbeauche	1.6	{
300			int ret;
301
302			__asm__ __volatile__("0: cs %0,%1,0(%2)\n"
303			" jl 0b"
304			: "=&d" (ret)
305			: "r" (1), "a" (p), "0" (*p)
306			: "cc", "memory" );
307			return ret;
308			}
309			#endif
310
311			#ifdef __alpha__
312			#define HAVE_TEST_AND_SET 1
313	gbeauche	1.20	static inline int testandset(volatile int *p)
314	gbeauche	1.6	{
315			int ret;
316			unsigned long one;
317
318			__asm__ __volatile__("0: mov 1,%2\n"
319			" ldl_l %0,%1\n"
320			" stl_c %2,%1\n"
321			" beq %2,1f\n"
322			".subsection 2\n"
323			"1: br 0b\n"
324			".previous"
325			: "=r" (ret), "=m" (*p), "=r" (one)
326			: "m" (*p));
327			return ret;
328			}
329			#endif
330
331			#ifdef __sparc__
332			#define HAVE_TEST_AND_SET 1
333	gbeauche	1.20	static inline int testandset(volatile int *p)
334	gbeauche	1.6	{
335			int ret;
336
337			__asm__ __volatile__("ldstub [%1], %0"
338			: "=r" (ret)
339			: "r" (p)
340			: "memory");
341
342			return (ret ? 1 : 0);
343			}
344			#endif
345
346			#ifdef __arm__
347			#define HAVE_TEST_AND_SET 1
348	gbeauche	1.20	static inline int testandset(volatile int *p)
349	gbeauche	1.6	{
350			register unsigned int ret;
351			__asm__ __volatile__("swp %0, %1, [%2]"
352			: "=r"(ret)
353			: "0"(1), "r"(p));
354
355			return ret;
356			}
357			#endif
358
359			#endif /* __GNUC__ */
360
361	gbeauche	1.20	typedef volatile int spinlock_t;
362	gbeauche	1.6
363	gbeauche	1.8	static const spinlock_t SPIN_LOCK_UNLOCKED = 0;
364	gbeauche	1.6
365	gbeauche	1.44	#if defined(HAVE_TEST_AND_SET) && defined(HAVE_PTHREADS)
366			// There is nothing to lock if we are not in an multithreaded environment
367	gbeauche	1.32	#define HAVE_SPINLOCKS 1
368	gbeauche	1.6	static inline void spin_lock(spinlock_t *lock)
369			{
370			while (testandset(lock));
371			}
372
373			static inline void spin_unlock(spinlock_t *lock)
374			{
375			*lock = 0;
376			}
377
378			static inline int spin_trylock(spinlock_t *lock)
379			{
380			return !testandset(lock);
381			}
382	gbeauche	1.32	#else
383			static inline void spin_lock(spinlock_t *lock)
384			{
385			}
386
387			static inline void spin_unlock(spinlock_t *lock)
388			{
389			}
390
391			static inline int spin_trylock(spinlock_t *lock)
392			{
393			return 1;
394			}
395	gbeauche	1.6	#endif
396
397	cebix	1.1	// Time data type for Time Manager emulation
398			#ifdef HAVE_CLOCK_GETTIME
399			typedef struct timespec tm_time_t;
400			#else
401			typedef struct timeval tm_time_t;
402			#endif
403
404	gbeauche	1.42	/* Define codes for all the float formats that we know of.
405			* Though we only handle IEEE format. */
406			#define UNKNOWN_FLOAT_FORMAT 0
407			#define IEEE_FLOAT_FORMAT 1
408			#define VAX_FLOAT_FORMAT 2
409			#define IBM_FLOAT_FORMAT 3
410			#define C4X_FLOAT_FORMAT 4
411
412	gbeauche	1.40	// High-precision timing
413	gbeauche	1.46	#if defined(HAVE_PTHREADS) && defined(HAVE_CLOCK_NANOSLEEP)
414	gbeauche	1.40	#define PRECISE_TIMING 1
415			#define PRECISE_TIMING_POSIX 1
416			#endif
417
418	gbeauche	1.18	// Timing functions
419			extern uint64 GetTicks_usec(void);
420			extern void Delay_usec(uint32 usec);
421
422	gbeauche	1.43	#ifdef HAVE_PTHREADS
423	cebix	1.2	// Setup pthread attributes
424			extern void Set_pthread_attr(pthread_attr_t *attr, int priority);
425	gbeauche	1.24	#endif
426	cebix	1.2
427	cebix	1.1	// Various definitions
428			typedef struct rgb_color {
429			uint8 red;
430			uint8 green;
431			uint8 blue;
432			uint8 alpha;
433			} rgb_color;
434
435	gbeauche	1.19	// X11 display fast locks
436	gbeauche	1.44	#if defined(HAVE_PTHREADS)
437			#define X11_LOCK_TYPE pthread_mutex_t
438			#define X11_LOCK_INIT PTHREAD_MUTEX_INITIALIZER
439			#define XDisplayLock() pthread_mutex_lock(&x_display_lock);
440			#define XDisplayUnlock() pthread_mutex_unlock(&x_display_lock);
441			#elif defined(HAVE_SPINLOCKS)
442	gbeauche	1.19	#define X11_LOCK_TYPE spinlock_t
443			#define X11_LOCK_INIT SPIN_LOCK_UNLOCKED
444			#define XDisplayLock() spin_lock(&x_display_lock)
445			#define XDisplayUnlock() spin_unlock(&x_display_lock)
446			#else
447			#define XDisplayLock()
448			#define XDisplayUnlock()
449			#endif
450			#ifdef X11_LOCK_TYPE
451			extern X11_LOCK_TYPE x_display_lock;
452			#endif
453
454	cebix	1.1	// Macro for calling MacOS routines
455	gbeauche	1.34	#define CallMacOS(type, tvect) call_macos((uintptr)tvect)
456			#define CallMacOS1(type, tvect, arg1) call_macos1((uintptr)tvect, (uintptr)arg1)
457			#define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uintptr)tvect, (uintptr)arg1, (uintptr)arg2)
458			#define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3)
459			#define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4)
460			#define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5)
461			#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)
462			#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)
463	cebix	1.1
464	gbeauche	1.3	#ifdef __cplusplus
465			extern "C" {
466			#endif
467			extern uint32 call_macos(uint32 tvect);
468			extern uint32 call_macos1(uint32 tvect, uint32 arg1);
469			extern uint32 call_macos2(uint32 tvect, uint32 arg1, uint32 arg2);
470			extern uint32 call_macos3(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3);
471			extern uint32 call_macos4(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4);
472			extern uint32 call_macos5(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5);
473			extern uint32 call_macos6(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6);
474			extern uint32 call_macos7(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6, uint32 arg7);
475			#ifdef __cplusplus
476			}
477			#endif
478	cebix	1.1
479			#endif