src/MacOSX/sysdeps.h

/*
 *      sysdeps.h - System dependent definitions for Mac OS X.
 *                              Based on Unix version
 *
 *      $Id: sysdeps.h,v 1.2 2002/10/29 14:28:52 nigel Exp $
 *
 *      Basilisk II (C) 1997-2001 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_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

/* Linear address translation (i.e. just an offset between Emulator & host)  */
#ifndef DIRECT_ADDRESSING
# ifdef MAC_OS_X_VERSION_10_2
/* For some reason, compiling on 10.2 with DIRECT_ADDRESSING enabled gives an   */
/* app that never writes to its screen! (i.e. it never calls most of video.cpp) */
#  define DIRECT_ADDRESSING 1
//#  define DIRECT_ADDRESSING 0
# else
#  define DIRECT_ADDRESSING 1
# endif
#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


/* ExtFS is supported */
#define SUPPORTS_EXTFS 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

/* 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

/* Offset Mac->Unix time in seconds */
#define TIME_OFFSET 0x7c25b080

/* 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__)
# define CPU_CAN_ACCESS_UNALIGNED
#endif

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

/* 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 */

#ifdef __i386__

/* 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
#undef USE_MAPPED_MEMORY
#undef CAN_MAP_MEMORY

#ifdef X86_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:	1.3
Committed:	2002-10-31T08:52:59Z (21 years, 10 months ago) by nigel
Content type:	text/plain
Branch:	MAIN
Changes since 1.2:	+8 -5 lines
Log Message:	SOme 10.2 compile fixes
#	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	1.3	* $Id: sysdeps.h,v 1.2 2002/10/29 14:28:52 nigel Exp $
6	nigel	1.1	*
7			* Basilisk II (C) 1997-2001 Christian Bauer
8			*
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			#ifdef HAVE_FCNTL_H
50			# include <fcntl.h>
51			#endif
52
53			#ifdef TIME_WITH_SYS_TIME
54			# include <sys/time.h>
55			# include <time.h>
56			#else
57			# ifdef HAVE_SYS_TIME_H
58			# include <sys/time.h>
59			# else
60			# include <time.h>
61			# endif
62			#endif
63
64
65	nigel	1.3	#ifdef AVAILABILITYMACROS
66			# include <AvailabilityMacros.h>
67			#endif
68	nigel	1.2
69	nigel	1.1	/* Emulator and host address space are distinct */
70			#ifndef REAL_ADDRESSING
71	nigel	1.2	# define REAL_ADDRESSING 0
72	nigel	1.1	#endif
73
74			/* Linear address translation (i.e. just an offset between Emulator & host) */
75			#ifndef DIRECT_ADDRESSING
76	nigel	1.2	# ifdef MAC_OS_X_VERSION_10_2
77	nigel	1.3	/* For some reason, compiling on 10.2 with DIRECT_ADDRESSING enabled gives an */
78			/* app that never writes to its screen! (i.e. it never calls most of video.cpp) */
79			# define DIRECT_ADDRESSING 1
80			//# define DIRECT_ADDRESSING 0
81	nigel	1.2	# else
82			# define DIRECT_ADDRESSING 1
83			# endif
84	nigel	1.1	#endif
85
86			/* Using 68k emulator */
87			#define EMULATED_68K 1
88
89			/* The m68k emulator uses a prefetch buffer ? */
90			#define USE_PREFETCH_BUFFER 0
91
92			/* Mac ROM is write protected when banked memory is used */
93			#if REAL_ADDRESSING \|\| DIRECT_ADDRESSING
94			# define ROM_IS_WRITE_PROTECTED 0
95			# define USE_SCRATCHMEM_SUBTERFUGE 1
96			#else
97			# define ROM_IS_WRITE_PROTECTED 1
98			#endif
99
100
101			/* ExtFS is supported */
102			#define SUPPORTS_EXTFS 1
103
104
105			/* Data types */
106			typedef unsigned char uint8;
107			typedef signed char int8;
108			#if SIZEOF_SHORT == 2
109			typedef unsigned short uint16;
110			typedef short int16;
111			#elif SIZEOF_INT == 2
112			typedef unsigned int uint16;
113			typedef int int16;
114			#else
115			#error "No 2 byte type, you lose."
116			#endif
117			#if SIZEOF_INT == 4
118			typedef unsigned int uint32;
119			typedef int int32;
120			#elif SIZEOF_LONG == 4
121			typedef unsigned long uint32;
122			typedef long int32;
123			#else
124			#error "No 4 byte type, you lose."
125			#endif
126			#if SIZEOF_LONG == 8
127			typedef unsigned long uint64;
128			typedef long int64;
129			#define VAL64(a) (a ## l)
130			#define UVAL64(a) (a ## ul)
131			#elif SIZEOF_LONG_LONG == 8
132			typedef unsigned long long uint64;
133			typedef long long int64;
134			#define VAL64(a) (a ## LL)
135			#define UVAL64(a) (a ## uLL)
136			#else
137			#error "No 8 byte type, you lose."
138			#endif
139			#if SIZEOF_VOID_P == 4
140			typedef uint32 uintptr;
141			typedef int32 intptr;
142			#elif SIZEOF_VOID_P == 8
143			typedef uint64 uintptr;
144			typedef int64 intptr;
145			#else
146			#error "Unsupported size of pointer"
147			#endif
148
149			/* Time data type for Time Manager emulation */
150			#ifdef HAVE_CLOCK_GETTIME
151			typedef struct timespec tm_time_t;
152			#else
153			typedef struct timeval tm_time_t;
154			#endif
155
156			/* Offset Mac->Unix time in seconds */
157			#define TIME_OFFSET 0x7c25b080
158
159			/* UAE CPU data types */
160			#define uae_s8 int8
161			#define uae_u8 uint8
162			#define uae_s16 int16
163			#define uae_u16 uint16
164			#define uae_s32 int32
165			#define uae_u32 uint32
166			#define uae_s64 int64
167			#define uae_u64 uint64
168			typedef uae_u32 uaecptr;
169
170			/* Alignment restrictions */
171			#if defined(__i386__) \|\| defined(__powerpc__) \|\| defined(__m68k__)
172			# define CPU_CAN_ACCESS_UNALIGNED
173			#endif
174
175			/* Timing functions */
176			extern uint64 GetTicks_usec(void);
177			extern void Delay_usec(uint32 usec);
178
179			/* UAE CPU defines */
180			#ifdef WORDS_BIGENDIAN
181
182			#ifdef CPU_CAN_ACCESS_UNALIGNED
183
184			/* Big-endian CPUs which can do unaligned accesses */
185			static inline uae_u32 do_get_mem_long(uae_u32 a) {return a;}
186			static inline uae_u32 do_get_mem_word(uae_u16 a) {return a;}
187			static inline void do_put_mem_long(uae_u32 a, uae_u32 v) {a = v;}
188			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {a = v;}
189
190			#else /* CPU_CAN_ACCESS_UNALIGNED */
191
192			#ifdef sgi
193			/* The SGI MIPSPro compilers can do unaligned accesses given enough hints.
194			* They will automatically inline these routines. */
195			#ifdef __cplusplus
196			extern "C" { /* only the C compiler does unaligned accesses */
197			#endif
198			extern uae_u32 do_get_mem_long(uae_u32 *a);
199			extern uae_u32 do_get_mem_word(uae_u16 *a);
200			extern void do_put_mem_long(uae_u32 *a, uae_u32 v);
201			extern void do_put_mem_word(uae_u16 *a, uae_u32 v);
202			#ifdef __cplusplus
203			}
204			#endif
205
206			#else /* sgi */
207
208			/* Big-endian CPUs which can not do unaligned accesses (this is not the most efficient way to do this...) */
209			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];}
210			static inline uae_u32 do_get_mem_word(uae_u16 a) {uint8 b = (uint8 *)a; return (b[0] << 8) \| b[1];}
211			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;}
212			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {uint8 b = (uint8 *)a; b[0] = v >> 8; b[1] = v;}
213			#endif /* sgi */
214
215			#endif /* CPU_CAN_ACCESS_UNALIGNED */
216
217			#else /* WORDS_BIGENDIAN */
218
219			#ifdef __i386__
220
221			/* Intel x86 */
222			#define X86_PPRO_OPT
223			static inline uae_u32 do_get_mem_long(uae_u32 a) {uint32 retval; __asm__ ("bswap %0" : "=r" (retval) : "0" (a) : "cc"); return retval;}
224			#ifdef X86_PPRO_OPT
225			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;}
226			#else
227			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;}
228			#endif
229			#define HAVE_GET_WORD_UNSWAPPED
230			#define do_get_mem_word_unswapped(a) ((uae_u32)((uae_u16 )(a)))
231			static inline void do_put_mem_long(uae_u32 a, uae_u32 v) {__asm__ ("bswap %0" : "=r" (v) : "0" (v) : "cc"); a = v;}
232			#ifdef X86_PPRO_OPT
233			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {__asm__ ("bswapl %0" : "=&r" (v) : "0" (v << 16) : "cc"); a = v;}
234			#else
235			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); a = v;}
236			#endif
237			#define HAVE_OPTIMIZED_BYTESWAP_32
238			/* bswap doesn't affect condition codes */
239			static inline uae_u32 do_byteswap_32(uae_u32 v) {__asm__ ("bswap %0" : "=r" (v) : "0" (v)); return v;}
240			#define HAVE_OPTIMIZED_BYTESWAP_16
241			#ifdef X86_PPRO_OPT
242			static inline uae_u32 do_byteswap_16(uae_u32 v) {__asm__ ("bswapl %0" : "=&r" (v) : "0" (v << 16) : "cc"); return v;}
243			#else
244			static inline uae_u32 do_byteswap_16(uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); return v;}
245			#endif
246
247			#elif defined(CPU_CAN_ACCESS_UNALIGNED)
248
249			/* Other little-endian CPUs which can do unaligned accesses */
250			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);}
251			static inline uae_u32 do_get_mem_word(uae_u16 a) {uint16 x = a; return (x >> 8) \| (x << 8);}
252			static inline void do_put_mem_long(uae_u32 a, uae_u32 v) {a = (v >> 24) \| (v >> 8) & 0xff00 \| (v << 8) & 0xff0000 \| (v << 24);}
253			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {a = (v >> 8) \| (v << 8);}
254
255			#else /* CPU_CAN_ACCESS_UNALIGNED */
256
257			/* Other little-endian CPUs which can not do unaligned accesses (this needs optimization) */
258			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];}
259			static inline uae_u32 do_get_mem_word(uae_u16 a) {uint8 b = (uint8 *)a; return (b[0] << 8) \| b[1];}
260			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;}
261			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {uint8 b = (uint8 *)a; b[0] = v >> 8; b[1] = v;}
262
263			#endif /* CPU_CAN_ACCESS_UNALIGNED */
264
265			#endif /* WORDS_BIGENDIAN */
266
267			#ifndef HAVE_OPTIMIZED_BYTESWAP_32
268			static inline uae_u32 do_byteswap_32(uae_u32 v)
269			{ return (((v >> 24) & 0xff) \| ((v >> 8) & 0xff00) \| ((v & 0xff) << 24) \| ((v & 0xff00) << 8)); }
270			#endif
271
272			#ifndef HAVE_OPTIMIZED_BYTESWAP_16
273			static inline uae_u32 do_byteswap_16(uae_u32 v)
274			{ return (((v >> 8) & 0xff) \| ((v & 0xff) << 8)); }
275			#endif
276
277			#define do_get_mem_byte(a) ((uae_u32)((uae_u8 )(a)))
278			#define do_put_mem_byte(a, v) ((uae_u8 )(a) = (v))
279
280			#define call_mem_get_func(func, addr) ((*func)(addr))
281			#define call_mem_put_func(func, addr, v) ((*func)(addr, v))
282			#define __inline__ inline
283			#define CPU_EMU_SIZE 0
284			#undef NO_INLINE_MEMORY_ACCESS
285			#undef MD_HAVE_MEM_1_FUNCS
286			#define ENUMDECL typedef enum
287			#define ENUMNAME(name) name
288			#define write_log printf
289			#undef USE_MAPPED_MEMORY
290			#undef CAN_MAP_MEMORY
291
292			#ifdef X86_ASSEMBLY
293			#define ASM_SYM_FOR_FUNC(a) __asm__(a)
294			#else
295			#define ASM_SYM_FOR_FUNC(a)
296			#endif
297
298			#ifndef REGPARAM
299			# define REGPARAM
300			#endif
301			#define REGPARAM2
302
303			#endif