src/MacOSX/sysdeps.h

/*
 *      sysdeps.h - System dependent definitions for Mac OS X.
 *                              Based on Unix version
 *
 *      $Id: sysdeps.h,v 1.6 2004/01/12 15:29:24 cebix Exp $
 *
 *      Basilisk II (C) 1997-2004 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 AVAILABILITYMACROS
# include <AvailabilityMacros.h>
#endif

/* Emulator 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

/* Direct Addressing requires Video on SEGV signals */
#if DIRECT_ADDRESSING && !ENABLE_VOSF
# undef  ENABLE_VOSF
# define ENABLE_VOSF 1
#endif

/* ExtFS is supported */
#define SUPPORTS_EXTFS 1

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

/* 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);

#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:	1.7
Committed:	2004-01-20T23:35:47Z (20 years, 9 months ago) by nigel
Content type:	text/plain
Branch:	MAIN
Changes since 1.6:	+28 -17 lines
Log Message:	Incorporate recent changes from Unix/sysdeps.h
#	User	Rev	Content
1	nigel	1.1	/*
2			* sysdeps.h - System dependent definitions for Mac OS X.
3			* Based on Unix version
4			*
5	nigel	1.7	* $Id: sysdeps.h,v 1.6 2004/01/12 15:29:24 cebix Exp $
6	nigel	1.1	*
7	cebix	1.6	* Basilisk II (C) 1997-2004 Christian Bauer
8	nigel	1.1	*
9			* This program is free software; you can redistribute it and/or modify
10			* it under the terms of the GNU General Public License as published by
11			* the Free Software Foundation; either version 2 of the License, or
12			* (at your option) any later version.
13			*
14			* This program is distributed in the hope that it will be useful,
15			* but WITHOUT ANY WARRANTY; without even the implied warranty of
16			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17			* GNU General Public License for more details.
18			*
19			* You should have received a copy of the GNU General Public License
20			* along with this program; if not, write to the Free Software
21			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22			*/
23
24			#ifndef SYSDEPS_H
25			#define SYSDEPS_H
26
27			#ifndef __STDC__
28			#error "Your compiler is not ANSI. Get a real one."
29			#endif
30
31			#include "config.h"
32			#include "user_strings_unix.h"
33
34			#ifndef STDC_HEADERS
35			#error "You don't have ANSI C header files."
36			#endif
37
38			#ifdef HAVE_UNISTD_H
39			# include <sys/types.h>
40			# include <unistd.h>
41			#endif
42
43			#include <netinet/in.h>
44			#include <assert.h>
45			#include <stdio.h>
46			#include <stdlib.h>
47			#include <string.h>
48
49	nigel	1.7	#ifdef HAVE_PTHREADS
50			# include <pthread.h>
51			#endif
52
53	nigel	1.1	#ifdef HAVE_FCNTL_H
54			# include <fcntl.h>
55			#endif
56
57			#ifdef TIME_WITH_SYS_TIME
58			# include <sys/time.h>
59			# include <time.h>
60			#else
61			# ifdef HAVE_SYS_TIME_H
62			# include <sys/time.h>
63			# else
64			# include <time.h>
65			# endif
66			#endif
67
68
69	nigel	1.3	#ifdef AVAILABILITYMACROS
70			# include <AvailabilityMacros.h>
71			#endif
72	nigel	1.2
73	nigel	1.1	/* Emulator and host address space are distinct */
74			#ifndef REAL_ADDRESSING
75	nigel	1.2	# define REAL_ADDRESSING 0
76	nigel	1.1	#endif
77
78			/* Using 68k emulator */
79			#define EMULATED_68K 1
80
81			/* The m68k emulator uses a prefetch buffer ? */
82			#define USE_PREFETCH_BUFFER 0
83
84			/* Mac ROM is write protected when banked memory is used */
85			#if REAL_ADDRESSING \|\| DIRECT_ADDRESSING
86			# define ROM_IS_WRITE_PROTECTED 0
87			# define USE_SCRATCHMEM_SUBTERFUGE 1
88			#else
89			# define ROM_IS_WRITE_PROTECTED 1
90			#endif
91
92	nigel	1.7	/* Direct Addressing requires Video on SEGV signals */
93			#if DIRECT_ADDRESSING && !ENABLE_VOSF
94			# undef ENABLE_VOSF
95			# define ENABLE_VOSF 1
96			#endif
97	nigel	1.1
98			/* ExtFS is supported */
99			#define SUPPORTS_EXTFS 1
100
101	nigel	1.7	/* BSD socket API supported */
102			#define SUPPORTS_UDP_TUNNEL 1
103	nigel	1.1
104			/* Data types */
105			typedef unsigned char uint8;
106			typedef signed char int8;
107			#if SIZEOF_SHORT == 2
108			typedef unsigned short uint16;
109			typedef short int16;
110			#elif SIZEOF_INT == 2
111			typedef unsigned int uint16;
112			typedef int int16;
113			#else
114			#error "No 2 byte type, you lose."
115			#endif
116			#if SIZEOF_INT == 4
117			typedef unsigned int uint32;
118			typedef int int32;
119			#elif SIZEOF_LONG == 4
120			typedef unsigned long uint32;
121			typedef long int32;
122			#else
123			#error "No 4 byte type, you lose."
124			#endif
125			#if SIZEOF_LONG == 8
126			typedef unsigned long uint64;
127			typedef long int64;
128			#define VAL64(a) (a ## l)
129			#define UVAL64(a) (a ## ul)
130			#elif SIZEOF_LONG_LONG == 8
131			typedef unsigned long long uint64;
132			typedef long long int64;
133			#define VAL64(a) (a ## LL)
134			#define UVAL64(a) (a ## uLL)
135			#else
136			#error "No 8 byte type, you lose."
137			#endif
138			#if SIZEOF_VOID_P == 4
139			typedef uint32 uintptr;
140			typedef int32 intptr;
141			#elif SIZEOF_VOID_P == 8
142			typedef uint64 uintptr;
143			typedef int64 intptr;
144			#else
145			#error "Unsupported size of pointer"
146	nigel	1.4	#endif
147
148			#ifndef HAVE_LOFF_T
149	nigel	1.7	typedef off_t loff_t;
150			#endif
151			#ifndef HAVE_CADDR_T
152			typedef char * caddr_t;
153	nigel	1.1	#endif
154
155			/* Time data type for Time Manager emulation */
156			#ifdef HAVE_CLOCK_GETTIME
157			typedef struct timespec tm_time_t;
158			#else
159			typedef struct timeval tm_time_t;
160			#endif
161
162	nigel	1.7	/* Define codes for all the float formats that we know of.
163			* Though we only handle IEEE format. */
164			#define UNKNOWN_FLOAT_FORMAT 0
165			#define IEEE_FLOAT_FORMAT 1
166			#define VAX_FLOAT_FORMAT 2
167			#define IBM_FLOAT_FORMAT 3
168			#define C4X_FLOAT_FORMAT 4
169	nigel	1.1
170			/* UAE CPU data types */
171			#define uae_s8 int8
172			#define uae_u8 uint8
173			#define uae_s16 int16
174			#define uae_u16 uint16
175			#define uae_s32 int32
176			#define uae_u32 uint32
177			#define uae_s64 int64
178			#define uae_u64 uint64
179			typedef uae_u32 uaecptr;
180
181			/* Alignment restrictions */
182	nigel	1.5	#if defined(__i386__) \|\| defined(__powerpc__) \|\| defined(__m68k__) \|\| defined(__x86_64__)
183	nigel	1.1	# define CPU_CAN_ACCESS_UNALIGNED
184			#endif
185
186			/* Timing functions */
187			extern uint64 GetTicks_usec(void);
188			extern void Delay_usec(uint32 usec);
189
190	nigel	1.7	#ifdef HAVE_PTHREADS
191			/* Centralized pthread attribute setup */
192			void Set_pthread_attr(pthread_attr_t *attr, int priority);
193			#endif
194
195	nigel	1.1	/* UAE CPU defines */
196			#ifdef WORDS_BIGENDIAN
197
198			#ifdef CPU_CAN_ACCESS_UNALIGNED
199
200			/* Big-endian CPUs which can do unaligned accesses */
201			static inline uae_u32 do_get_mem_long(uae_u32 a) {return a;}
202			static inline uae_u32 do_get_mem_word(uae_u16 a) {return a;}
203			static inline void do_put_mem_long(uae_u32 a, uae_u32 v) {a = v;}
204			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {a = v;}
205
206			#else /* CPU_CAN_ACCESS_UNALIGNED */
207
208			#ifdef sgi
209			/* The SGI MIPSPro compilers can do unaligned accesses given enough hints.
210			* They will automatically inline these routines. */
211			#ifdef __cplusplus
212			extern "C" { /* only the C compiler does unaligned accesses */
213			#endif
214			extern uae_u32 do_get_mem_long(uae_u32 *a);
215			extern uae_u32 do_get_mem_word(uae_u16 *a);
216			extern void do_put_mem_long(uae_u32 *a, uae_u32 v);
217			extern void do_put_mem_word(uae_u16 *a, uae_u32 v);
218			#ifdef __cplusplus
219			}
220			#endif
221
222			#else /* sgi */
223
224			/* Big-endian CPUs which can not do unaligned accesses (this is not the most efficient way to do this...) */
225			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];}
226			static inline uae_u32 do_get_mem_word(uae_u16 a) {uint8 b = (uint8 *)a; return (b[0] << 8) \| b[1];}
227			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;}
228			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {uint8 b = (uint8 *)a; b[0] = v >> 8; b[1] = v;}
229			#endif /* sgi */
230
231			#endif /* CPU_CAN_ACCESS_UNALIGNED */
232
233			#else /* WORDS_BIGENDIAN */
234
235	nigel	1.5	#if defined(__i386__) \|\| defined(__x86_64__)
236	nigel	1.1
237			/* Intel x86 */
238			#define X86_PPRO_OPT
239			static inline uae_u32 do_get_mem_long(uae_u32 a) {uint32 retval; __asm__ ("bswap %0" : "=r" (retval) : "0" (a) : "cc"); return retval;}
240			#ifdef X86_PPRO_OPT
241			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;}
242			#else
243			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;}
244			#endif
245			#define HAVE_GET_WORD_UNSWAPPED
246			#define do_get_mem_word_unswapped(a) ((uae_u32)((uae_u16 )(a)))
247			static inline void do_put_mem_long(uae_u32 a, uae_u32 v) {__asm__ ("bswap %0" : "=r" (v) : "0" (v) : "cc"); a = v;}
248			#ifdef X86_PPRO_OPT
249			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {__asm__ ("bswapl %0" : "=&r" (v) : "0" (v << 16) : "cc"); a = v;}
250			#else
251			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); a = v;}
252			#endif
253			#define HAVE_OPTIMIZED_BYTESWAP_32
254			/* bswap doesn't affect condition codes */
255			static inline uae_u32 do_byteswap_32(uae_u32 v) {__asm__ ("bswap %0" : "=r" (v) : "0" (v)); return v;}
256			#define HAVE_OPTIMIZED_BYTESWAP_16
257			#ifdef X86_PPRO_OPT
258			static inline uae_u32 do_byteswap_16(uae_u32 v) {__asm__ ("bswapl %0" : "=&r" (v) : "0" (v << 16) : "cc"); return v;}
259			#else
260			static inline uae_u32 do_byteswap_16(uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); return v;}
261			#endif
262
263			#elif defined(CPU_CAN_ACCESS_UNALIGNED)
264
265			/* Other little-endian CPUs which can do unaligned accesses */
266			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);}
267			static inline uae_u32 do_get_mem_word(uae_u16 a) {uint16 x = a; return (x >> 8) \| (x << 8);}
268			static inline void do_put_mem_long(uae_u32 a, uae_u32 v) {a = (v >> 24) \| (v >> 8) & 0xff00 \| (v << 8) & 0xff0000 \| (v << 24);}
269			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {a = (v >> 8) \| (v << 8);}
270
271			#else /* CPU_CAN_ACCESS_UNALIGNED */
272
273			/* Other little-endian CPUs which can not do unaligned accesses (this needs optimization) */
274			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];}
275			static inline uae_u32 do_get_mem_word(uae_u16 a) {uint8 b = (uint8 *)a; return (b[0] << 8) \| b[1];}
276			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;}
277			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {uint8 b = (uint8 *)a; b[0] = v >> 8; b[1] = v;}
278
279			#endif /* CPU_CAN_ACCESS_UNALIGNED */
280
281			#endif /* WORDS_BIGENDIAN */
282
283			#ifndef HAVE_OPTIMIZED_BYTESWAP_32
284			static inline uae_u32 do_byteswap_32(uae_u32 v)
285			{ return (((v >> 24) & 0xff) \| ((v >> 8) & 0xff00) \| ((v & 0xff) << 24) \| ((v & 0xff00) << 8)); }
286			#endif
287
288			#ifndef HAVE_OPTIMIZED_BYTESWAP_16
289			static inline uae_u32 do_byteswap_16(uae_u32 v)
290			{ return (((v >> 8) & 0xff) \| ((v & 0xff) << 8)); }
291			#endif
292
293			#define do_get_mem_byte(a) ((uae_u32)((uae_u8 )(a)))
294			#define do_put_mem_byte(a, v) ((uae_u8 )(a) = (v))
295
296			#define call_mem_get_func(func, addr) ((*func)(addr))
297			#define call_mem_put_func(func, addr, v) ((*func)(addr, v))
298			#define __inline__ inline
299			#define CPU_EMU_SIZE 0
300			#undef NO_INLINE_MEMORY_ACCESS
301			#undef MD_HAVE_MEM_1_FUNCS
302			#define ENUMDECL typedef enum
303			#define ENUMNAME(name) name
304			#define write_log printf
305
306	nigel	1.5	#if defined(X86_ASSEMBLY) \|\| defined(X86_64_ASSEMBLY)
307	nigel	1.1	#define ASM_SYM_FOR_FUNC(a) __asm__(a)
308			#else
309			#define ASM_SYM_FOR_FUNC(a)
310			#endif
311
312			#ifndef REGPARAM
313			# define REGPARAM
314			#endif
315			#define REGPARAM2
316
317			#endif