src/Unix/sysdeps.h

/*
 *  sysdeps.h - System dependent definitions for Unix
 *
 *  Basilisk II (C) 1997-2008 Christian Bauer
 *
 *  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>

#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


#ifdef ENABLE_NATIVE_M68K

/* Mac and host address space are the same */
#define REAL_ADDRESSING 1

/* Using 68k natively */
#define EMULATED_68K 0

/* Mac ROM is not write protected */
#define ROM_IS_WRITE_PROTECTED 0
#define USE_SCRATCHMEM_SUBTERFUGE 1

#else

/* Mac and host address space are distinct */
#ifndef REAL_ADDRESSING
#define REAL_ADDRESSING 0
#endif

/* Using 68k emulator */
#define EMULATED_68K 1

/* The m68k emulator uses a prefetch buffer ? */
#define USE_PREFETCH_BUFFER 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

#endif

/* Direct Addressing requires Video on SEGV signals in plain X11 mode */
#if DIRECT_ADDRESSING && (!ENABLE_VOSF && !USE_SDL_VIDEO)
# undef  ENABLE_VOSF
# define ENABLE_VOSF 1
#endif

/* ExtFS is supported */
#define SUPPORTS_EXTFS 1

/* BSD socket API supported */
#define SUPPORTS_UDP_TUNNEL 1

/* Use the CPU emulator to check for periodic tasks? */
#ifdef HAVE_PTHREADS
#define USE_PTHREADS_SERVICES
#endif
#if EMULATED_68K
#if defined(__NetBSD__)
#define USE_CPU_EMUL_SERVICES
#endif
#endif
#ifdef USE_CPU_EMUL_SERVICES
#undef USE_PTHREADS_SERVICES
#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

#ifndef HAVE_LOFF_T
typedef off_t loff_t;
#endif
#ifndef HAVE_CADDR_T
typedef char * caddr_t;
#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

/* UAE CPU data types */
#define uae_s8 int8
#define uae_u8 uint8
#define uae_s16 int16
#define uae_u16 uint16
#define uae_s32 int32
#define uae_u32 uint32
#define uae_s64 int64
#define uae_u64 uint64
typedef uae_u32 uaecptr;

/* Alignment restrictions */
#if defined(__i386__) || defined(__powerpc__) || defined(__m68k__) || defined(__x86_64__)
# define CPU_CAN_ACCESS_UNALIGNED
#endif

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

/* Spinlocks */
#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

/* FIXME: SheepShaver occasionnally hangs with those locks */
#if 0 && (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 HAVE_TEST_AND_SET
#define HAVE_SPINLOCKS 1
static inline void spin_lock(spinlock_t *lock)
{
        while (testandset(lock));
}

static inline void spin_unlock(spinlock_t *lock)
{
        *lock = 0;
}

static inline int spin_trylock(spinlock_t *lock)
{
        return !testandset(lock);
}
#else
static inline void spin_lock(spinlock_t *lock)
{
}

static inline void spin_unlock(spinlock_t *lock)
{
}

static inline int spin_trylock(spinlock_t *lock)
{
        return 1;
}
#endif

/* 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

#ifdef HAVE_PTHREADS
/* Centralized pthread attribute setup */
void Set_pthread_attr(pthread_attr_t *attr, int priority);
#endif

/* UAE CPU defines */
#ifdef WORDS_BIGENDIAN

#ifdef CPU_CAN_ACCESS_UNALIGNED

/* Big-endian CPUs which can do unaligned accesses */
static inline uae_u32 do_get_mem_long(uae_u32 *a) {return *a;}
static inline uae_u32 do_get_mem_word(uae_u16 *a) {return *a;}
static inline void do_put_mem_long(uae_u32 *a, uae_u32 v) {*a = v;}
static inline void do_put_mem_word(uae_u16 *a, uae_u32 v) {*a = v;}

#else /* CPU_CAN_ACCESS_UNALIGNED */

#ifdef sgi
/* The SGI MIPSPro compilers can do unaligned accesses given enough hints.
 * They will automatically inline these routines. */
#ifdef __cplusplus
extern "C" { /* only the C compiler does unaligned accesses */
#endif
extern uae_u32 do_get_mem_long(uae_u32 *a);
extern uae_u32 do_get_mem_word(uae_u16 *a);
extern void do_put_mem_long(uae_u32 *a, uae_u32 v);
extern void do_put_mem_word(uae_u16 *a, uae_u32 v);
#ifdef __cplusplus
}
#endif

#else /* sgi */

/* Big-endian CPUs which can not do unaligned accesses (this is not the most efficient way to do this...) */
static inline uae_u32 do_get_mem_long(uae_u32 *a) {uint8 *b = (uint8 *)a; return (b[0] << 24) | (b[1] << 16) | (b[2] << 8) | b[3];}
static inline uae_u32 do_get_mem_word(uae_u16 *a) {uint8 *b = (uint8 *)a; return (b[0] << 8) | b[1];}
static inline void do_put_mem_long(uae_u32 *a, uae_u32 v) {uint8 *b = (uint8 *)a; b[0] = v >> 24; b[1] = v >> 16; b[2] = v >> 8; b[3] = v;}
static inline void do_put_mem_word(uae_u16 *a, uae_u32 v) {uint8 *b = (uint8 *)a; b[0] = v >> 8; b[1] = v;}
#endif /* sgi */

#endif /* CPU_CAN_ACCESS_UNALIGNED */

#else /* WORDS_BIGENDIAN */

#if defined(__i386__) || defined(__x86_64__)

/* Intel x86 */
#define X86_PPRO_OPT
static inline uae_u32 do_get_mem_long(uae_u32 *a) {uint32 retval; __asm__ ("bswap %0" : "=r" (retval) : "0" (*a) : "cc"); return retval;}
#ifdef X86_PPRO_OPT
static inline uae_u32 do_get_mem_word(uae_u16 *a) {uint32 retval; __asm__ ("movzwl %w1,%k0\n\tshll $16,%k0\n\tbswapl %k0\n" : "=&r" (retval) : "m" (*a) : "cc"); return retval;}
#else
static inline uae_u32 do_get_mem_word(uae_u16 *a) {uint32 retval; __asm__ ("xorl %k0,%k0\n\tmovw %w1,%w0\n\trolw $8,%w0" : "=&r" (retval) : "m" (*a) : "cc"); return retval;}
#endif
#define HAVE_GET_WORD_UNSWAPPED
#define do_get_mem_word_unswapped(a) ((uae_u32)*((uae_u16 *)(a)))
static inline void do_put_mem_long(uae_u32 *a, uae_u32 v) {__asm__ ("bswap %0" : "=r" (v) : "0" (v) : "cc"); *a = v;}
#ifdef X86_PPRO_OPT
static inline void do_put_mem_word(uae_u16 *a, uae_u32 v) {__asm__ ("bswapl %0" : "=&r" (v) : "0" (v << 16) : "cc"); *a = v;}
#else
static inline void do_put_mem_word(uae_u16 *a, uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); *a = v;}
#endif
#define HAVE_OPTIMIZED_BYTESWAP_32
/* bswap doesn't affect condition codes */
static inline uae_u32 do_byteswap_32(uae_u32 v) {__asm__ ("bswap %0" : "=r" (v) : "0" (v)); return v;}
#define HAVE_OPTIMIZED_BYTESWAP_16
#ifdef X86_PPRO_OPT
static inline uae_u32 do_byteswap_16(uae_u32 v) {__asm__ ("bswapl %0" : "=&r" (v) : "0" (v << 16) : "cc"); return v;}
#else
static inline uae_u32 do_byteswap_16(uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); return v;}
#endif

#elif defined(CPU_CAN_ACCESS_UNALIGNED)

/* Other little-endian CPUs which can do unaligned accesses */
static inline uae_u32 do_get_mem_long(uae_u32 *a) {uint32 x = *a; return (x >> 24) | (x >> 8) & 0xff00 | (x << 8) & 0xff0000 | (x << 24);}
static inline uae_u32 do_get_mem_word(uae_u16 *a) {uint16 x = *a; return (x >> 8) | (x << 8);}
static inline void do_put_mem_long(uae_u32 *a, uae_u32 v) {*a = (v >> 24) | (v >> 8) & 0xff00 | (v << 8) & 0xff0000 | (v << 24);}
static inline void do_put_mem_word(uae_u16 *a, uae_u32 v) {*a = (v >> 8) | (v << 8);}

#else /* CPU_CAN_ACCESS_UNALIGNED */

/* Other little-endian CPUs which can not do unaligned accesses (this needs optimization) */
static inline uae_u32 do_get_mem_long(uae_u32 *a) {uint8 *b = (uint8 *)a; return (b[0] << 24) | (b[1] << 16) | (b[2] << 8) | b[3];}
static inline uae_u32 do_get_mem_word(uae_u16 *a) {uint8 *b = (uint8 *)a; return (b[0] << 8) | b[1];}
static inline void do_put_mem_long(uae_u32 *a, uae_u32 v) {uint8 *b = (uint8 *)a; b[0] = v >> 24; b[1] = v >> 16; b[2] = v >> 8; b[3] = v;}
static inline void do_put_mem_word(uae_u16 *a, uae_u32 v) {uint8 *b = (uint8 *)a; b[0] = v >> 8; b[1] = v;}

#endif /* CPU_CAN_ACCESS_UNALIGNED */

#endif /* WORDS_BIGENDIAN */

#ifndef HAVE_OPTIMIZED_BYTESWAP_32
static inline uae_u32 do_byteswap_32(uae_u32 v)
        { return (((v >> 24) & 0xff) | ((v >> 8) & 0xff00) | ((v & 0xff) << 24) | ((v & 0xff00) << 8)); }
#endif

#ifndef HAVE_OPTIMIZED_BYTESWAP_16
static inline uae_u32 do_byteswap_16(uae_u32 v)
        { return (((v >> 8) & 0xff) | ((v & 0xff) << 8)); }
#endif

#define do_get_mem_byte(a) ((uae_u32)*((uae_u8 *)(a)))
#define do_put_mem_byte(a, v) (*(uae_u8 *)(a) = (v))

#define call_mem_get_func(func, addr) ((*func)(addr))
#define call_mem_put_func(func, addr, v) ((*func)(addr, v))
#define __inline__ inline
#define CPU_EMU_SIZE 0
#undef NO_INLINE_MEMORY_ACCESS
#undef MD_HAVE_MEM_1_FUNCS
#define ENUMDECL typedef enum
#define ENUMNAME(name) name
#define write_log printf

#if defined(X86_ASSEMBLY) || defined(X86_64_ASSEMBLY)
#define ASM_SYM_FOR_FUNC(a) __asm__(a)
#else
#define ASM_SYM_FOR_FUNC(a)
#endif

#ifndef REGPARAM
# define REGPARAM
#endif
#define REGPARAM2

#endif
Revision:	1.34
Committed:	2008-01-01T09:40:33Z (16 years, 4 months ago) by gbeauche
Content type:	text/plain
Branch:	MAIN
Changes since 1.33:	+1 -1 lines
Log Message:	Happy New Year!
#	User	Rev	Content
1	cebix	1.1	/*
2			* sysdeps.h - System dependent definitions for Unix
3			*
4	gbeauche	1.34	* Basilisk II (C) 1997-2008 Christian Bauer
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	cebix	1.3	#include "user_strings_unix.h"
30	cebix	1.1
31			#ifndef STDC_HEADERS
32			#error "You don't have ANSI C header files."
33			#endif
34
35	cebix	1.2	#ifdef HAVE_UNISTD_H
36			# include <sys/types.h>
37			# include <unistd.h>
38			#endif
39
40	cebix	1.1	#include <netinet/in.h>
41			#include <assert.h>
42			#include <stdio.h>
43			#include <stdlib.h>
44			#include <string.h>
45
46	gbeauche	1.24	#ifdef HAVE_PTHREADS
47			# include <pthread.h>
48			#endif
49
50	cebix	1.1	#ifdef HAVE_FCNTL_H
51			# include <fcntl.h>
52			#endif
53
54			#ifdef TIME_WITH_SYS_TIME
55			# include <sys/time.h>
56			# include <time.h>
57			#else
58			# ifdef HAVE_SYS_TIME_H
59			# include <sys/time.h>
60			# else
61			# include <time.h>
62			# endif
63			#endif
64
65
66	cebix	1.11	#ifdef ENABLE_NATIVE_M68K
67
68			/* Mac and host address space are the same */
69			#define REAL_ADDRESSING 1
70
71			/* Using 68k natively */
72			#define EMULATED_68K 0
73
74			/* Mac ROM is not write protected */
75			#define ROM_IS_WRITE_PROTECTED 0
76	cebix	1.14	#define USE_SCRATCHMEM_SUBTERFUGE 1
77	cebix	1.11
78			#else
79
80			/* Mac and host address space are distinct */
81	gbeauche	1.13	#ifndef REAL_ADDRESSING
82	cebix	1.1	#define REAL_ADDRESSING 0
83	gbeauche	1.13	#endif
84	cebix	1.1
85	cebix	1.11	/* Using 68k emulator */
86	cebix	1.1	#define EMULATED_68K 1
87
88	gbeauche	1.13	/* The m68k emulator uses a prefetch buffer ? */
89			#define USE_PREFETCH_BUFFER 0
90
91	cebix	1.14	/* Mac ROM is write protected when banked memory is used */
92	gbeauche	1.13	#if REAL_ADDRESSING \|\| DIRECT_ADDRESSING
93			# define ROM_IS_WRITE_PROTECTED 0
94			# define USE_SCRATCHMEM_SUBTERFUGE 1
95			#else
96			# define ROM_IS_WRITE_PROTECTED 1
97			#endif
98	cebix	1.1
99	cebix	1.11	#endif
100
101	gbeauche	1.30	/* Direct Addressing requires Video on SEGV signals in plain X11 mode */
102			#if DIRECT_ADDRESSING && (!ENABLE_VOSF && !USE_SDL_VIDEO)
103	gbeauche	1.13	# undef ENABLE_VOSF
104			# define ENABLE_VOSF 1
105			#endif
106
107	cebix	1.6	/* ExtFS is supported */
108			#define SUPPORTS_EXTFS 1
109	cebix	1.11
110	cebix	1.20	/* BSD socket API supported */
111			#define SUPPORTS_UDP_TUNNEL 1
112
113	gbeauche	1.33	/* Use the CPU emulator to check for periodic tasks? */
114			#ifdef HAVE_PTHREADS
115			#define USE_PTHREADS_SERVICES
116			#endif
117			#if EMULATED_68K
118			#if defined(__NetBSD__)
119			#define USE_CPU_EMUL_SERVICES
120			#endif
121			#endif
122			#ifdef USE_CPU_EMUL_SERVICES
123			#undef USE_PTHREADS_SERVICES
124			#endif
125
126	cebix	1.6
127	cebix	1.1	/* Data types */
128			typedef unsigned char uint8;
129			typedef signed char int8;
130			#if SIZEOF_SHORT == 2
131			typedef unsigned short uint16;
132			typedef short int16;
133			#elif SIZEOF_INT == 2
134			typedef unsigned int uint16;
135			typedef int int16;
136			#else
137			#error "No 2 byte type, you lose."
138			#endif
139			#if SIZEOF_INT == 4
140			typedef unsigned int uint32;
141			typedef int int32;
142			#elif SIZEOF_LONG == 4
143			typedef unsigned long uint32;
144			typedef long int32;
145			#else
146			#error "No 4 byte type, you lose."
147			#endif
148			#if SIZEOF_LONG == 8
149			typedef unsigned long uint64;
150			typedef long int64;
151	cebix	1.8	#define VAL64(a) (a ## l)
152			#define UVAL64(a) (a ## ul)
153	cebix	1.1	#elif SIZEOF_LONG_LONG == 8
154			typedef unsigned long long uint64;
155			typedef long long int64;
156	cebix	1.8	#define VAL64(a) (a ## LL)
157			#define UVAL64(a) (a ## uLL)
158	cebix	1.1	#else
159			#error "No 8 byte type, you lose."
160	gbeauche	1.13	#endif
161			#if SIZEOF_VOID_P == 4
162			typedef uint32 uintptr;
163			typedef int32 intptr;
164			#elif SIZEOF_VOID_P == 8
165			typedef uint64 uintptr;
166			typedef int64 intptr;
167			#else
168			#error "Unsupported size of pointer"
169	cebix	1.1	#endif
170
171	nigel	1.27	#ifndef HAVE_LOFF_T
172	gbeauche	1.28	typedef off_t loff_t;
173			#endif
174			#ifndef HAVE_CADDR_T
175			typedef char * caddr_t;
176	nigel	1.27	#endif
177
178	cebix	1.1	/* Time data type for Time Manager emulation */
179			#ifdef HAVE_CLOCK_GETTIME
180			typedef struct timespec tm_time_t;
181			#else
182			typedef struct timeval tm_time_t;
183			#endif
184
185	gbeauche	1.23	/* Define codes for all the float formats that we know of.
186			* Though we only handle IEEE format. */
187			#define UNKNOWN_FLOAT_FORMAT 0
188			#define IEEE_FLOAT_FORMAT 1
189			#define VAX_FLOAT_FORMAT 2
190			#define IBM_FLOAT_FORMAT 3
191			#define C4X_FLOAT_FORMAT 4
192
193	cebix	1.1	/* UAE CPU data types */
194			#define uae_s8 int8
195			#define uae_u8 uint8
196			#define uae_s16 int16
197			#define uae_u16 uint16
198			#define uae_s32 int32
199			#define uae_u32 uint32
200	cebix	1.7	#define uae_s64 int64
201			#define uae_u64 uint64
202	cebix	1.1	typedef uae_u32 uaecptr;
203
204			/* Alignment restrictions */
205	gbeauche	1.25	#if defined(__i386__) \|\| defined(__powerpc__) \|\| defined(__m68k__) \|\| defined(__x86_64__)
206	cebix	1.1	# define CPU_CAN_ACCESS_UNALIGNED
207			#endif
208
209	cebix	1.12	/* Timing functions */
210			extern uint64 GetTicks_usec(void);
211			extern void Delay_usec(uint32 usec);
212
213	gbeauche	1.31	/* Spinlocks */
214			#ifdef __GNUC__
215
216			#if defined(__powerpc__) \|\| defined(__ppc__)
217			#define HAVE_TEST_AND_SET 1
218			static inline int testandset(volatile int *p)
219			{
220			int ret;
221			__asm__ __volatile__("0: lwarx %0,0,%1\n"
222			" xor. %0,%3,%0\n"
223			" bne 1f\n"
224			" stwcx. %2,0,%1\n"
225			" bne- 0b\n"
226			"1: "
227			: "=&r" (ret)
228			: "r" (p), "r" (1), "r" (0)
229			: "cr0", "memory");
230			return ret;
231			}
232			#endif
233
234			/* FIXME: SheepShaver occasionnally hangs with those locks */
235			#if 0 && (defined(__i386__) \|\| defined(__x86_64__))
236			#define HAVE_TEST_AND_SET 1
237			static inline int testandset(volatile int *p)
238			{
239			long int ret;
240			/* Note: the "xchg" instruction does not need a "lock" prefix */
241			__asm__ __volatile__("xchgl %k0, %1"
242			: "=r" (ret), "=m" (*p)
243			: "0" (1), "m" (*p)
244			: "memory");
245			return ret;
246			}
247			#endif
248
249			#ifdef __s390__
250			#define HAVE_TEST_AND_SET 1
251			static inline int testandset(volatile int *p)
252			{
253			int ret;
254
255			__asm__ __volatile__("0: cs %0,%1,0(%2)\n"
256			" jl 0b"
257			: "=&d" (ret)
258			: "r" (1), "a" (p), "0" (*p)
259			: "cc", "memory" );
260			return ret;
261			}
262			#endif
263
264			#ifdef __alpha__
265			#define HAVE_TEST_AND_SET 1
266			static inline int testandset(volatile int *p)
267			{
268			int ret;
269			unsigned long one;
270
271			__asm__ __volatile__("0: mov 1,%2\n"
272			" ldl_l %0,%1\n"
273			" stl_c %2,%1\n"
274			" beq %2,1f\n"
275			".subsection 2\n"
276			"1: br 0b\n"
277			".previous"
278			: "=r" (ret), "=m" (*p), "=r" (one)
279			: "m" (*p));
280			return ret;
281			}
282			#endif
283
284			#ifdef __sparc__
285			#define HAVE_TEST_AND_SET 1
286			static inline int testandset(volatile int *p)
287			{
288			int ret;
289
290			__asm__ __volatile__("ldstub [%1], %0"
291			: "=r" (ret)
292			: "r" (p)
293			: "memory");
294
295			return (ret ? 1 : 0);
296			}
297			#endif
298
299			#ifdef __arm__
300			#define HAVE_TEST_AND_SET 1
301			static inline int testandset(volatile int *p)
302			{
303			register unsigned int ret;
304			__asm__ __volatile__("swp %0, %1, [%2]"
305			: "=r"(ret)
306			: "0"(1), "r"(p));
307
308			return ret;
309			}
310			#endif
311
312			#endif /* __GNUC__ */
313
314			typedef volatile int spinlock_t;
315
316			static const spinlock_t SPIN_LOCK_UNLOCKED = 0;
317
318			#if HAVE_TEST_AND_SET
319			#define HAVE_SPINLOCKS 1
320			static inline void spin_lock(spinlock_t *lock)
321			{
322			while (testandset(lock));
323			}
324
325			static inline void spin_unlock(spinlock_t *lock)
326			{
327			*lock = 0;
328			}
329
330			static inline int spin_trylock(spinlock_t *lock)
331			{
332			return !testandset(lock);
333			}
334			#else
335			static inline void spin_lock(spinlock_t *lock)
336			{
337			}
338
339			static inline void spin_unlock(spinlock_t *lock)
340			{
341			}
342
343			static inline int spin_trylock(spinlock_t *lock)
344			{
345			return 1;
346			}
347			#endif
348
349			/* X11 display fast locks */
350			#ifdef HAVE_SPINLOCKS
351			#define X11_LOCK_TYPE spinlock_t
352			#define X11_LOCK_INIT SPIN_LOCK_UNLOCKED
353			#define XDisplayLock() spin_lock(&x_display_lock)
354			#define XDisplayUnlock() spin_unlock(&x_display_lock)
355			#elif defined(HAVE_PTHREADS)
356			#define X11_LOCK_TYPE pthread_mutex_t
357			#define X11_LOCK_INIT PTHREAD_MUTEX_INITIALIZER
358			#define XDisplayLock() pthread_mutex_lock(&x_display_lock);
359			#define XDisplayUnlock() pthread_mutex_unlock(&x_display_lock);
360			#else
361			#define XDisplayLock()
362			#define XDisplayUnlock()
363			#endif
364			#ifdef X11_LOCK_TYPE
365			extern X11_LOCK_TYPE x_display_lock;
366			#endif
367
368	cebix	1.22	#ifdef HAVE_PTHREADS
369			/* Centralized pthread attribute setup */
370			void Set_pthread_attr(pthread_attr_t *attr, int priority);
371			#endif
372
373	cebix	1.1	/* UAE CPU defines */
374			#ifdef WORDS_BIGENDIAN
375
376			#ifdef CPU_CAN_ACCESS_UNALIGNED
377
378			/* Big-endian CPUs which can do unaligned accesses */
379			static inline uae_u32 do_get_mem_long(uae_u32 a) {return a;}
380			static inline uae_u32 do_get_mem_word(uae_u16 a) {return a;}
381			static inline void do_put_mem_long(uae_u32 a, uae_u32 v) {a = v;}
382			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {a = v;}
383
384			#else /* CPU_CAN_ACCESS_UNALIGNED */
385
386			#ifdef sgi
387			/* The SGI MIPSPro compilers can do unaligned accesses given enough hints.
388			* They will automatically inline these routines. */
389			#ifdef __cplusplus
390			extern "C" { /* only the C compiler does unaligned accesses */
391			#endif
392			extern uae_u32 do_get_mem_long(uae_u32 *a);
393			extern uae_u32 do_get_mem_word(uae_u16 *a);
394			extern void do_put_mem_long(uae_u32 *a, uae_u32 v);
395			extern void do_put_mem_word(uae_u16 *a, uae_u32 v);
396			#ifdef __cplusplus
397			}
398			#endif
399
400			#else /* sgi */
401
402			/* Big-endian CPUs which can not do unaligned accesses (this is not the most efficient way to do this...) */
403			static inline uae_u32 do_get_mem_long(uae_u32 a) {uint8 b = (uint8 *)a; return (b[0] << 24) \| (b[1] << 16) \| (b[2] << 8) \| b[3];}
404			static inline uae_u32 do_get_mem_word(uae_u16 a) {uint8 b = (uint8 *)a; return (b[0] << 8) \| b[1];}
405			static inline void do_put_mem_long(uae_u32 a, uae_u32 v) {uint8 b = (uint8 *)a; b[0] = v >> 24; b[1] = v >> 16; b[2] = v >> 8; b[3] = v;}
406			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {uint8 b = (uint8 *)a; b[0] = v >> 8; b[1] = v;}
407			#endif /* sgi */
408
409			#endif /* CPU_CAN_ACCESS_UNALIGNED */
410
411			#else /* WORDS_BIGENDIAN */
412
413	gbeauche	1.25	#if defined(__i386__) \|\| defined(__x86_64__)
414	cebix	1.1
415			/* Intel x86 */
416			#define X86_PPRO_OPT
417			static inline uae_u32 do_get_mem_long(uae_u32 a) {uint32 retval; __asm__ ("bswap %0" : "=r" (retval) : "0" (a) : "cc"); return retval;}
418			#ifdef X86_PPRO_OPT
419			static inline uae_u32 do_get_mem_word(uae_u16 a) {uint32 retval; __asm__ ("movzwl %w1,%k0\n\tshll $16,%k0\n\tbswapl %k0\n" : "=&r" (retval) : "m" (a) : "cc"); return retval;}
420			#else
421			static inline uae_u32 do_get_mem_word(uae_u16 a) {uint32 retval; __asm__ ("xorl %k0,%k0\n\tmovw %w1,%w0\n\trolw $8,%w0" : "=&r" (retval) : "m" (a) : "cc"); return retval;}
422			#endif
423			#define HAVE_GET_WORD_UNSWAPPED
424			#define do_get_mem_word_unswapped(a) ((uae_u32)((uae_u16 )(a)))
425			static inline void do_put_mem_long(uae_u32 a, uae_u32 v) {__asm__ ("bswap %0" : "=r" (v) : "0" (v) : "cc"); a = v;}
426			#ifdef X86_PPRO_OPT
427			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {__asm__ ("bswapl %0" : "=&r" (v) : "0" (v << 16) : "cc"); a = v;}
428			#else
429			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); a = v;}
430			#endif
431	gbeauche	1.16	#define HAVE_OPTIMIZED_BYTESWAP_32
432			/* bswap doesn't affect condition codes */
433			static inline uae_u32 do_byteswap_32(uae_u32 v) {__asm__ ("bswap %0" : "=r" (v) : "0" (v)); return v;}
434			#define HAVE_OPTIMIZED_BYTESWAP_16
435			#ifdef X86_PPRO_OPT
436			static inline uae_u32 do_byteswap_16(uae_u32 v) {__asm__ ("bswapl %0" : "=&r" (v) : "0" (v << 16) : "cc"); return v;}
437			#else
438			static inline uae_u32 do_byteswap_16(uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); return v;}
439			#endif
440	cebix	1.1
441			#elif defined(CPU_CAN_ACCESS_UNALIGNED)
442
443			/* Other little-endian CPUs which can do unaligned accesses */
444			static inline uae_u32 do_get_mem_long(uae_u32 a) {uint32 x = a; return (x >> 24) \| (x >> 8) & 0xff00 \| (x << 8) & 0xff0000 \| (x << 24);}
445			static inline uae_u32 do_get_mem_word(uae_u16 a) {uint16 x = a; return (x >> 8) \| (x << 8);}
446			static inline void do_put_mem_long(uae_u32 a, uae_u32 v) {a = (v >> 24) \| (v >> 8) & 0xff00 \| (v << 8) & 0xff0000 \| (v << 24);}
447			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {a = (v >> 8) \| (v << 8);}
448
449			#else /* CPU_CAN_ACCESS_UNALIGNED */
450
451			/* Other little-endian CPUs which can not do unaligned accesses (this needs optimization) */
452			static inline uae_u32 do_get_mem_long(uae_u32 a) {uint8 b = (uint8 *)a; return (b[0] << 24) \| (b[1] << 16) \| (b[2] << 8) \| b[3];}
453			static inline uae_u32 do_get_mem_word(uae_u16 a) {uint8 b = (uint8 *)a; return (b[0] << 8) \| b[1];}
454			static inline void do_put_mem_long(uae_u32 a, uae_u32 v) {uint8 b = (uint8 *)a; b[0] = v >> 24; b[1] = v >> 16; b[2] = v >> 8; b[3] = v;}
455			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {uint8 b = (uint8 *)a; b[0] = v >> 8; b[1] = v;}
456
457			#endif /* CPU_CAN_ACCESS_UNALIGNED */
458
459			#endif /* WORDS_BIGENDIAN */
460	gbeauche	1.16
461			#ifndef HAVE_OPTIMIZED_BYTESWAP_32
462			static inline uae_u32 do_byteswap_32(uae_u32 v)
463			{ return (((v >> 24) & 0xff) \| ((v >> 8) & 0xff00) \| ((v & 0xff) << 24) \| ((v & 0xff00) << 8)); }
464			#endif
465
466			#ifndef HAVE_OPTIMIZED_BYTESWAP_16
467			static inline uae_u32 do_byteswap_16(uae_u32 v)
468			{ return (((v >> 8) & 0xff) \| ((v & 0xff) << 8)); }
469			#endif
470	cebix	1.1
471			#define do_get_mem_byte(a) ((uae_u32)((uae_u8 )(a)))
472			#define do_put_mem_byte(a, v) ((uae_u8 )(a) = (v))
473
474			#define call_mem_get_func(func, addr) ((*func)(addr))
475			#define call_mem_put_func(func, addr, v) ((*func)(addr, v))
476			#define __inline__ inline
477			#define CPU_EMU_SIZE 0
478			#undef NO_INLINE_MEMORY_ACCESS
479			#undef MD_HAVE_MEM_1_FUNCS
480			#define ENUMDECL typedef enum
481			#define ENUMNAME(name) name
482			#define write_log printf
483
484	gbeauche	1.26	#if defined(X86_ASSEMBLY) \|\| defined(X86_64_ASSEMBLY)
485	cebix	1.1	#define ASM_SYM_FOR_FUNC(a) __asm__(a)
486			#else
487			#define ASM_SYM_FOR_FUNC(a)
488			#endif
489
490			#ifndef REGPARAM
491			# define REGPARAM
492			#endif
493			#define REGPARAM2
494
495			#endif