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root/cebix/BasiliskII/src/Unix/sysdeps.h
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Comparing BasiliskII/src/Unix/sysdeps.h (file contents):
Revision 1.11 by cebix, 2000-07-13T13:47:11Z 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  
76   /* Mac and host address space are distinct */
77 + #ifndef REAL_ADDRESSING
78   #define REAL_ADDRESSING 0
79 + #endif
80  
81   /* Using 68k emulator */
82   #define EMULATED_68K 1
83  
84 < /* Mac ROM is write protected */
85 < #define ROM_IS_WRITE_PROTECTED 1
84 > /* The m68k emulator uses a prefetch buffer ? */
85 > #define USE_PREFETCH_BUFFER 0
86 >
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
91 > #else
92 > # define ROM_IS_WRITE_PROTECTED 1
93 > #endif
94 >
95 > #endif
96  
97 + /* 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   /* ExtFS is supported */
# Line 121 | Line 138 | typedef long long int64;
138   #else
139   #error "No 8 byte type, you lose."
140   #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 + #endif
150  
151   /* Time data type for Time Manager emulation */
152   #ifdef HAVE_CLOCK_GETTIME
# Line 148 | Line 174 | typedef uae_u32 uaecptr;
174   # define CPU_CAN_ACCESS_UNALIGNED
175   #endif
176  
177 + /* Timing functions */
178 + extern uint64 GetTicks_usec(void);
179 + extern void Delay_usec(uint32 usec);
180 +
181   /* UAE CPU defines */
182   #ifdef WORDS_BIGENDIAN
183  
# Line 206 | 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 227 | 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 240 | Line 289 | static inline void do_put_mem_word(uae_u
289   #define ENUMNAME(name) name
290   #define write_log printf
291  
243 #ifdef USE_COMPILER
244 #define USE_MAPPED_MEMORY
245 #define CAN_MAP_MEMORY
246 #define NO_EXCEPTION_3
247 #define NO_PREFETCH_BUFFER
248 #else
249 #undef USE_MAPPED_MEMORY
250 #undef CAN_MAP_MEMORY
251 #endif
252
292   #ifdef X86_ASSEMBLY
293   #define ASM_SYM_FOR_FUNC(a) __asm__(a)
294   #else

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