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root/cebix/BasiliskII/src/Unix/sysdeps.h

Comparing BasiliskII/src/Unix/sysdeps.h (file contents):
Revision 1.13 by gbeauche, 2000-09-22T17:14:46Z vs.
Revision 1.18 by cebix, 2001-07-03T15:59:47Z

#	Line 1 | Line 1
1		/*
2		*  sysdeps.h - System dependent definitions for Unix
3		*
4	<	*  Basilisk II (C) 1997-2000 Christian Bauer
4	>	*  Basilisk II (C) 1997-2001 Christian Bauer
5		*
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
#	Line 69 | Line 69
69
70		/* Mac ROM is not write protected */
71		#define ROM_IS_WRITE_PROTECTED 0
72	+	#define USE_SCRATCHMEM_SUBTERFUGE 1
73
74		#else
75
#	Line 83 | Line 84
84		/* The m68k emulator uses a prefetch buffer ? */
85		#define USE_PREFETCH_BUFFER 0
86
87	<	/* Mac ROM is write protected */
87	>	/* Mac ROM is write protected when banked memory is used */
88		#if REAL_ADDRESSING || DIRECT_ADDRESSING
89		# define ROM_IS_WRITE_PROTECTED 0
90		# define USE_SCRATCHMEM_SUBTERFUGE 1
#	Line 235 | Line 236 | static inline void do_put_mem_word(uae_u
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	+	#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
249		#elif defined(CPU_CAN_ACCESS_UNALIGNED)
250
#	Line 256 | Line 266 | static inline void do_put_mem_word(uae_u
266
267		#endif /* WORDS_BIGENDIAN */
268
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	+
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
#	Line 269 | Line 289 | static inline void do_put_mem_word(uae_u
289		#define ENUMNAME(name) name
290		#define write_log printf
291
272	–	#ifdef USE_COMPILER
273	–	#define USE_MAPPED_MEMORY
274	–	#define CAN_MAP_MEMORY
275	–	#define NO_EXCEPTION_3
276	–	#define NO_PREFETCH_BUFFER
277	–	#else
278	–	#undef USE_MAPPED_MEMORY
279	–	#undef CAN_MAP_MEMORY
280	–	#endif
281	–
292		#ifdef X86_ASSEMBLY
293		#define ASM_SYM_FOR_FUNC(a) __asm__(a)
294		#else

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