src/Unix/sysdeps.h

/*
 *  sysdeps.h - System dependent definitions for Unix
 *
 *  Basilisk II (C) 1997-2002 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 */
#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

/* 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

#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:	1.25
Committed:	2002-11-05T10:32:05Z (21 years, 7 months ago) by gbeauche
Content type:	text/plain
Branch:	MAIN
Changes since 1.24:	+2 -2 lines
Log Message:	x86-64 can do unaligned accesses
#	User	Rev	Content
1	cebix	1.1	/*
2			* sysdeps.h - System dependent definitions for Unix
3			*
4	cebix	1.21	* Basilisk II (C) 1997-2002 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	1.13	/* Direct Addressing requires Video on SEGV signals */
102			#if DIRECT_ADDRESSING && !ENABLE_VOSF
103			# 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	cebix	1.6
114	cebix	1.1	/* Data types */
115			typedef unsigned char uint8;
116			typedef signed char int8;
117			#if SIZEOF_SHORT == 2
118			typedef unsigned short uint16;
119			typedef short int16;
120			#elif SIZEOF_INT == 2
121			typedef unsigned int uint16;
122			typedef int int16;
123			#else
124			#error "No 2 byte type, you lose."
125			#endif
126			#if SIZEOF_INT == 4
127			typedef unsigned int uint32;
128			typedef int int32;
129			#elif SIZEOF_LONG == 4
130			typedef unsigned long uint32;
131			typedef long int32;
132			#else
133			#error "No 4 byte type, you lose."
134			#endif
135			#if SIZEOF_LONG == 8
136			typedef unsigned long uint64;
137			typedef long int64;
138	cebix	1.8	#define VAL64(a) (a ## l)
139			#define UVAL64(a) (a ## ul)
140	cebix	1.1	#elif SIZEOF_LONG_LONG == 8
141			typedef unsigned long long uint64;
142			typedef long long int64;
143	cebix	1.8	#define VAL64(a) (a ## LL)
144			#define UVAL64(a) (a ## uLL)
145	cebix	1.1	#else
146			#error "No 8 byte type, you lose."
147	gbeauche	1.13	#endif
148			#if SIZEOF_VOID_P == 4
149			typedef uint32 uintptr;
150			typedef int32 intptr;
151			#elif SIZEOF_VOID_P == 8
152			typedef uint64 uintptr;
153			typedef int64 intptr;
154			#else
155			#error "Unsupported size of pointer"
156	cebix	1.1	#endif
157
158			/* Time data type for Time Manager emulation */
159			#ifdef HAVE_CLOCK_GETTIME
160			typedef struct timespec tm_time_t;
161			#else
162			typedef struct timeval tm_time_t;
163			#endif
164
165	gbeauche	1.23	/* Define codes for all the float formats that we know of.
166			* Though we only handle IEEE format. */
167			#define UNKNOWN_FLOAT_FORMAT 0
168			#define IEEE_FLOAT_FORMAT 1
169			#define VAX_FLOAT_FORMAT 2
170			#define IBM_FLOAT_FORMAT 3
171			#define C4X_FLOAT_FORMAT 4
172
173	cebix	1.1	/* UAE CPU data types */
174			#define uae_s8 int8
175			#define uae_u8 uint8
176			#define uae_s16 int16
177			#define uae_u16 uint16
178			#define uae_s32 int32
179			#define uae_u32 uint32
180	cebix	1.7	#define uae_s64 int64
181			#define uae_u64 uint64
182	cebix	1.1	typedef uae_u32 uaecptr;
183
184			/* Alignment restrictions */
185	gbeauche	1.25	#if defined(__i386__) \|\| defined(__powerpc__) \|\| defined(__m68k__) \|\| defined(__x86_64__)
186	cebix	1.1	# define CPU_CAN_ACCESS_UNALIGNED
187			#endif
188
189	cebix	1.12	/* Timing functions */
190			extern uint64 GetTicks_usec(void);
191			extern void Delay_usec(uint32 usec);
192
193	cebix	1.22	#ifdef HAVE_PTHREADS
194			/* Centralized pthread attribute setup */
195			void Set_pthread_attr(pthread_attr_t *attr, int priority);
196			#endif
197
198	cebix	1.1	/* UAE CPU defines */
199			#ifdef WORDS_BIGENDIAN
200
201			#ifdef CPU_CAN_ACCESS_UNALIGNED
202
203			/* Big-endian CPUs which can do unaligned accesses */
204			static inline uae_u32 do_get_mem_long(uae_u32 a) {return a;}
205			static inline uae_u32 do_get_mem_word(uae_u16 a) {return a;}
206			static inline void do_put_mem_long(uae_u32 a, uae_u32 v) {a = v;}
207			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {a = v;}
208
209			#else /* CPU_CAN_ACCESS_UNALIGNED */
210
211			#ifdef sgi
212			/* The SGI MIPSPro compilers can do unaligned accesses given enough hints.
213			* They will automatically inline these routines. */
214			#ifdef __cplusplus
215			extern "C" { /* only the C compiler does unaligned accesses */
216			#endif
217			extern uae_u32 do_get_mem_long(uae_u32 *a);
218			extern uae_u32 do_get_mem_word(uae_u16 *a);
219			extern void do_put_mem_long(uae_u32 *a, uae_u32 v);
220			extern void do_put_mem_word(uae_u16 *a, uae_u32 v);
221			#ifdef __cplusplus
222			}
223			#endif
224
225			#else /* sgi */
226
227			/* Big-endian CPUs which can not do unaligned accesses (this is not the most efficient way to do this...) */
228			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];}
229			static inline uae_u32 do_get_mem_word(uae_u16 a) {uint8 b = (uint8 *)a; return (b[0] << 8) \| b[1];}
230			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;}
231			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {uint8 b = (uint8 *)a; b[0] = v >> 8; b[1] = v;}
232			#endif /* sgi */
233
234			#endif /* CPU_CAN_ACCESS_UNALIGNED */
235
236			#else /* WORDS_BIGENDIAN */
237
238	gbeauche	1.25	#if defined(__i386__) \|\| defined(__x86_64__)
239	cebix	1.1
240			/* Intel x86 */
241			#define X86_PPRO_OPT
242			static inline uae_u32 do_get_mem_long(uae_u32 a) {uint32 retval; __asm__ ("bswap %0" : "=r" (retval) : "0" (a) : "cc"); return retval;}
243			#ifdef X86_PPRO_OPT
244			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;}
245			#else
246			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;}
247			#endif
248			#define HAVE_GET_WORD_UNSWAPPED
249			#define do_get_mem_word_unswapped(a) ((uae_u32)((uae_u16 )(a)))
250			static inline void do_put_mem_long(uae_u32 a, uae_u32 v) {__asm__ ("bswap %0" : "=r" (v) : "0" (v) : "cc"); a = v;}
251			#ifdef X86_PPRO_OPT
252			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {__asm__ ("bswapl %0" : "=&r" (v) : "0" (v << 16) : "cc"); a = v;}
253			#else
254			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); a = v;}
255			#endif
256	gbeauche	1.16	#define HAVE_OPTIMIZED_BYTESWAP_32
257			/* bswap doesn't affect condition codes */
258			static inline uae_u32 do_byteswap_32(uae_u32 v) {__asm__ ("bswap %0" : "=r" (v) : "0" (v)); return v;}
259			#define HAVE_OPTIMIZED_BYTESWAP_16
260			#ifdef X86_PPRO_OPT
261			static inline uae_u32 do_byteswap_16(uae_u32 v) {__asm__ ("bswapl %0" : "=&r" (v) : "0" (v << 16) : "cc"); return v;}
262			#else
263			static inline uae_u32 do_byteswap_16(uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); return v;}
264			#endif
265	cebix	1.1
266			#elif defined(CPU_CAN_ACCESS_UNALIGNED)
267
268			/* Other little-endian CPUs which can do unaligned accesses */
269			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);}
270			static inline uae_u32 do_get_mem_word(uae_u16 a) {uint16 x = a; return (x >> 8) \| (x << 8);}
271			static inline void do_put_mem_long(uae_u32 a, uae_u32 v) {a = (v >> 24) \| (v >> 8) & 0xff00 \| (v << 8) & 0xff0000 \| (v << 24);}
272			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {a = (v >> 8) \| (v << 8);}
273
274			#else /* CPU_CAN_ACCESS_UNALIGNED */
275
276			/* Other little-endian CPUs which can not do unaligned accesses (this needs optimization) */
277			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];}
278			static inline uae_u32 do_get_mem_word(uae_u16 a) {uint8 b = (uint8 *)a; return (b[0] << 8) \| b[1];}
279			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;}
280			static inline void do_put_mem_word(uae_u16 a, uae_u32 v) {uint8 b = (uint8 *)a; b[0] = v >> 8; b[1] = v;}
281
282			#endif /* CPU_CAN_ACCESS_UNALIGNED */
283
284			#endif /* WORDS_BIGENDIAN */
285	gbeauche	1.16
286			#ifndef HAVE_OPTIMIZED_BYTESWAP_32
287			static inline uae_u32 do_byteswap_32(uae_u32 v)
288			{ return (((v >> 24) & 0xff) \| ((v >> 8) & 0xff00) \| ((v & 0xff) << 24) \| ((v & 0xff00) << 8)); }
289			#endif
290
291			#ifndef HAVE_OPTIMIZED_BYTESWAP_16
292			static inline uae_u32 do_byteswap_16(uae_u32 v)
293			{ return (((v >> 8) & 0xff) \| ((v & 0xff) << 8)); }
294			#endif
295	cebix	1.1
296			#define do_get_mem_byte(a) ((uae_u32)((uae_u8 )(a)))
297			#define do_put_mem_byte(a, v) ((uae_u8 )(a) = (v))
298
299			#define call_mem_get_func(func, addr) ((*func)(addr))
300			#define call_mem_put_func(func, addr, v) ((*func)(addr, v))
301			#define __inline__ inline
302			#define CPU_EMU_SIZE 0
303			#undef NO_INLINE_MEMORY_ACCESS
304			#undef MD_HAVE_MEM_1_FUNCS
305			#define ENUMDECL typedef enum
306			#define ENUMNAME(name) name
307			#define write_log printf
308
309			#ifdef X86_ASSEMBLY
310			#define ASM_SYM_FOR_FUNC(a) __asm__(a)
311			#else
312			#define ASM_SYM_FOR_FUNC(a)
313			#endif
314
315			#ifndef REGPARAM
316			# define REGPARAM
317			#endif
318			#define REGPARAM2
319
320			#endif