src/Unix/sysdeps.h

/*
 *  sysdeps.h - System dependent definitions for Unix
 *
 *  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 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 */
#if DIRECT_ADDRESSING && !ENABLE_VOSF
# undef  ENABLE_VOSF
# define ENABLE_VOSF 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:	1.17
Committed:	2001-02-02T20:52:58Z (23 years, 4 months ago) by cebix
Content type:	text/plain
Branch:	MAIN
CVS Tags:	snapshot-17022001, snapshot-29052001, release-0_9-1
Changes since 1.16:	+1 -1 lines
Log Message:	- bumped version number to 0.9 - updated copyright dates
#	User	Rev	Content
1	cebix	1.1	/*
2			* sysdeps.h - System dependent definitions for Unix
3			*
4	cebix	1.17	* Basilisk II (C) 1997-2001 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			#ifdef HAVE_FCNTL_H
47			# include <fcntl.h>
48			#endif
49
50			#ifdef TIME_WITH_SYS_TIME
51			# include <sys/time.h>
52			# include <time.h>
53			#else
54			# ifdef HAVE_SYS_TIME_H
55			# include <sys/time.h>
56			# else
57			# include <time.h>
58			# endif
59			#endif
60
61
62	cebix	1.11	#ifdef ENABLE_NATIVE_M68K
63
64			/* Mac and host address space are the same */
65			#define REAL_ADDRESSING 1
66
67			/* Using 68k natively */
68			#define EMULATED_68K 0
69
70			/* Mac ROM is not write protected */
71			#define ROM_IS_WRITE_PROTECTED 0
72	cebix	1.14	#define USE_SCRATCHMEM_SUBTERFUGE 1
73	cebix	1.11
74			#else
75
76			/* Mac and host address space are distinct */
77	gbeauche	1.13	#ifndef REAL_ADDRESSING
78	cebix	1.1	#define REAL_ADDRESSING 0
79	gbeauche	1.13	#endif
80	cebix	1.1
81	cebix	1.11	/* Using 68k emulator */
82	cebix	1.1	#define EMULATED_68K 1
83
84	gbeauche	1.13	/* The m68k emulator uses a prefetch buffer ? */
85			#define USE_PREFETCH_BUFFER 0
86
87	cebix	1.14	/* Mac ROM is write protected when banked memory is used */
88	gbeauche	1.13	#if REAL_ADDRESSING \|\| DIRECT_ADDRESSING
89			# define ROM_IS_WRITE_PROTECTED 0
90			# define USE_SCRATCHMEM_SUBTERFUGE 1
91			#else
92			# define ROM_IS_WRITE_PROTECTED 1
93			#endif
94	cebix	1.1
95	cebix	1.11	#endif
96
97	gbeauche	1.13	/* Direct Addressing requires Video on SEGV signals */
98			#if DIRECT_ADDRESSING && !ENABLE_VOSF
99			# undef ENABLE_VOSF
100			# define ENABLE_VOSF 1
101			#endif
102
103	cebix	1.6	/* ExtFS is supported */
104			#define SUPPORTS_EXTFS 1
105	cebix	1.11
106	cebix	1.6
107	cebix	1.1	/* Data types */
108			typedef unsigned char uint8;
109			typedef signed char int8;
110			#if SIZEOF_SHORT == 2
111			typedef unsigned short uint16;
112			typedef short int16;
113			#elif SIZEOF_INT == 2
114			typedef unsigned int uint16;
115			typedef int int16;
116			#else
117			#error "No 2 byte type, you lose."
118			#endif
119			#if SIZEOF_INT == 4
120			typedef unsigned int uint32;
121			typedef int int32;
122			#elif SIZEOF_LONG == 4
123			typedef unsigned long uint32;
124			typedef long int32;
125			#else
126			#error "No 4 byte type, you lose."
127			#endif
128			#if SIZEOF_LONG == 8
129			typedef unsigned long uint64;
130			typedef long int64;
131	cebix	1.8	#define VAL64(a) (a ## l)
132			#define UVAL64(a) (a ## ul)
133	cebix	1.1	#elif SIZEOF_LONG_LONG == 8
134			typedef unsigned long long uint64;
135			typedef long long int64;
136	cebix	1.8	#define VAL64(a) (a ## LL)
137			#define UVAL64(a) (a ## uLL)
138	cebix	1.1	#else
139			#error "No 8 byte type, you lose."
140	gbeauche	1.13	#endif
141			#if SIZEOF_VOID_P == 4
142			typedef uint32 uintptr;
143			typedef int32 intptr;
144			#elif SIZEOF_VOID_P == 8
145			typedef uint64 uintptr;
146			typedef int64 intptr;
147			#else
148			#error "Unsupported size of pointer"
149	cebix	1.1	#endif
150
151			/* Time data type for Time Manager emulation */
152			#ifdef HAVE_CLOCK_GETTIME
153			typedef struct timespec tm_time_t;
154			#else
155			typedef struct timeval tm_time_t;
156			#endif
157
158	cebix	1.5	/* Offset Mac->Unix time in seconds */
159			#define TIME_OFFSET 0x7c25b080
160
161	cebix	1.1	/* UAE CPU data types */
162			#define uae_s8 int8
163			#define uae_u8 uint8
164			#define uae_s16 int16
165			#define uae_u16 uint16
166			#define uae_s32 int32
167			#define uae_u32 uint32
168	cebix	1.7	#define uae_s64 int64
169			#define uae_u64 uint64
170	cebix	1.1	typedef uae_u32 uaecptr;
171
172			/* Alignment restrictions */
173	cebix	1.4	#if defined(__i386__) \|\| defined(__powerpc__) \|\| defined(__m68k__)
174	cebix	1.1	# define CPU_CAN_ACCESS_UNALIGNED
175			#endif
176
177	cebix	1.12	/* Timing functions */
178			extern uint64 GetTicks_usec(void);
179			extern void Delay_usec(uint32 usec);
180
181	cebix	1.1	/* UAE CPU defines */
182			#ifdef WORDS_BIGENDIAN
183
184			#ifdef CPU_CAN_ACCESS_UNALIGNED
185
186			/* Big-endian CPUs which can do unaligned accesses */
187			static inline uae_u32 do_get_mem_long(uae_u32 a) {return a;}
188			static inline uae_u32 do_get_mem_word(uae_u16 a) {return a;}
189			static inline void do_put_mem_long(uae_u32 a, uae_u32 v) {a = v;}
190			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {a = v;}
191
192			#else /* CPU_CAN_ACCESS_UNALIGNED */
193
194			#ifdef sgi
195			/* The SGI MIPSPro compilers can do unaligned accesses given enough hints.
196			* They will automatically inline these routines. */
197			#ifdef __cplusplus
198			extern "C" { /* only the C compiler does unaligned accesses */
199			#endif
200			extern uae_u32 do_get_mem_long(uae_u32 *a);
201			extern uae_u32 do_get_mem_word(uae_u16 *a);
202			extern void do_put_mem_long(uae_u32 *a, uae_u32 v);
203			extern void do_put_mem_word(uae_u16 *a, uae_u32 v);
204			#ifdef __cplusplus
205			}
206			#endif
207
208			#else /* sgi */
209
210			/* Big-endian CPUs which can not do unaligned accesses (this is not the most efficient way to do this...) */
211			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];}
212			static inline uae_u32 do_get_mem_word(uae_u16 a) {uint8 b = (uint8 *)a; return (b[0] << 8) \| b[1];}
213			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;}
214			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {uint8 b = (uint8 *)a; b[0] = v >> 8; b[1] = v;}
215			#endif /* sgi */
216
217			#endif /* CPU_CAN_ACCESS_UNALIGNED */
218
219			#else /* WORDS_BIGENDIAN */
220
221			#ifdef __i386__
222
223			/* Intel x86 */
224			#define X86_PPRO_OPT
225			static inline uae_u32 do_get_mem_long(uae_u32 a) {uint32 retval; __asm__ ("bswap %0" : "=r" (retval) : "0" (a) : "cc"); return retval;}
226			#ifdef X86_PPRO_OPT
227			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;}
228			#else
229			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;}
230			#endif
231			#define HAVE_GET_WORD_UNSWAPPED
232			#define do_get_mem_word_unswapped(a) ((uae_u32)((uae_u16 )(a)))
233			static inline void do_put_mem_long(uae_u32 a, uae_u32 v) {__asm__ ("bswap %0" : "=r" (v) : "0" (v) : "cc"); a = v;}
234			#ifdef X86_PPRO_OPT
235			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {__asm__ ("bswapl %0" : "=&r" (v) : "0" (v << 16) : "cc"); a = v;}
236			#else
237			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); a = v;}
238			#endif
239	gbeauche	1.16	#define HAVE_OPTIMIZED_BYTESWAP_32
240			/* bswap doesn't affect condition codes */
241			static inline uae_u32 do_byteswap_32(uae_u32 v) {__asm__ ("bswap %0" : "=r" (v) : "0" (v)); return v;}
242			#define HAVE_OPTIMIZED_BYTESWAP_16
243			#ifdef X86_PPRO_OPT
244			static inline uae_u32 do_byteswap_16(uae_u32 v) {__asm__ ("bswapl %0" : "=&r" (v) : "0" (v << 16) : "cc"); return v;}
245			#else
246			static inline uae_u32 do_byteswap_16(uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); return v;}
247			#endif
248	cebix	1.1
249			#elif defined(CPU_CAN_ACCESS_UNALIGNED)
250
251			/* Other little-endian CPUs which can do unaligned accesses */
252			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);}
253			static inline uae_u32 do_get_mem_word(uae_u16 a) {uint16 x = a; return (x >> 8) \| (x << 8);}
254			static inline void do_put_mem_long(uae_u32 a, uae_u32 v) {a = (v >> 24) \| (v >> 8) & 0xff00 \| (v << 8) & 0xff0000 \| (v << 24);}
255			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {a = (v >> 8) \| (v << 8);}
256
257			#else /* CPU_CAN_ACCESS_UNALIGNED */
258
259			/* Other little-endian CPUs which can not do unaligned accesses (this needs optimization) */
260			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];}
261			static inline uae_u32 do_get_mem_word(uae_u16 a) {uint8 b = (uint8 *)a; return (b[0] << 8) \| b[1];}
262			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;}
263			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {uint8 b = (uint8 *)a; b[0] = v >> 8; b[1] = v;}
264
265			#endif /* CPU_CAN_ACCESS_UNALIGNED */
266
267			#endif /* WORDS_BIGENDIAN */
268	gbeauche	1.16
269			#ifndef HAVE_OPTIMIZED_BYTESWAP_32
270			static inline uae_u32 do_byteswap_32(uae_u32 v)
271			{ return (((v >> 24) & 0xff) \| ((v >> 8) & 0xff00) \| ((v & 0xff) << 24) \| ((v & 0xff00) << 8)); }
272			#endif
273
274			#ifndef HAVE_OPTIMIZED_BYTESWAP_16
275			static inline uae_u32 do_byteswap_16(uae_u32 v)
276			{ return (((v >> 8) & 0xff) \| ((v & 0xff) << 8)); }
277			#endif
278	cebix	1.1
279			#define do_get_mem_byte(a) ((uae_u32)((uae_u8 )(a)))
280			#define do_put_mem_byte(a, v) ((uae_u8 )(a) = (v))
281
282			#define call_mem_get_func(func, addr) ((*func)(addr))
283			#define call_mem_put_func(func, addr, v) ((*func)(addr, v))
284			#define __inline__ inline
285			#define CPU_EMU_SIZE 0
286			#undef NO_INLINE_MEMORY_ACCESS
287			#undef MD_HAVE_MEM_1_FUNCS
288			#define ENUMDECL typedef enum
289			#define ENUMNAME(name) name
290			#define write_log printf
291	cebix	1.9	#undef USE_MAPPED_MEMORY
292			#undef CAN_MAP_MEMORY
293	cebix	1.1
294			#ifdef X86_ASSEMBLY
295			#define ASM_SYM_FOR_FUNC(a) __asm__(a)
296			#else
297			#define ASM_SYM_FOR_FUNC(a)
298			#endif
299
300			#ifndef REGPARAM
301			# define REGPARAM
302			#endif
303			#define REGPARAM2
304
305			#endif