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Comparing SheepShaver/src/Unix/sysdeps.h (file contents):
Revision 1.2 by cebix, 2002-02-21T15:12:12Z vs.
Revision 1.34 by gbeauche, 2004-11-13T14:09:16Z

# Line 1 | Line 1
1   /*
2   *  sysdeps.h - System dependent definitions for Linux
3   *
4 < *  SheepShaver (C) 1997-2002 Christian Bauer and Marc Hellwig
4 > *  SheepShaver (C) 1997-2004 Christian Bauer and Marc Hellwig
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 44 | Line 44
44   #include <string.h>
45   #include <signal.h>
46  
47 + #ifdef HAVE_PTHREADS
48 + # include <pthread.h>
49 + #endif
50 +
51   #ifdef HAVE_FCNTL_H
52   # include <fcntl.h>
53   #endif
# Line 59 | Line 63
63   # endif
64   #endif
65  
66 < // Are we using a PPC emulator or the real thing?
67 < #ifdef __powerpc__
68 < #define EMULATED_PPC 0
66 > // Define for external components
67 > #define SHEEPSHAVER 1
68 >
69 > // Always use Real Addressing mode on native architectures
70 > // Otherwise, use Direct Addressing mode if NATMEM_OFFSET is set
71 > #if NATMEM_OFFSET == 0 || EMULATED_PPC == 0
72 > #define REAL_ADDRESSING 1
73   #else
74 < #define EMULATED_PPC 1
74 > #define DIRECT_ADDRESSING 1
75   #endif
76  
77   #define POWERPC_ROM 1
78  
79 + #if EMULATED_PPC
80 + // Mac ROM is write protected when banked memory is used
81 + #if REAL_ADDRESSING || DIRECT_ADDRESSING
82 + # define ROM_IS_WRITE_PROTECTED 0
83 + # define USE_SCRATCHMEM_SUBTERFUGE 1
84 + #else
85 + # define ROM_IS_WRITE_PROTECTED 1
86 + #endif
87 + // Configure PowerPC emulator
88 + #define PPC_REENTRANT_JIT 1
89 + #define PPC_CHECK_INTERRUPTS 1
90 + #define PPC_DECODE_CACHE 1
91 + #define PPC_FLIGHT_RECORDER 1
92 + #define PPC_PROFILE_COMPILE_TIME 0
93 + #define PPC_PROFILE_GENERIC_CALLS 0
94 + #define KPX_MAX_CPUS 1
95 + #if ENABLE_DYNGEN
96 + // Don't bother with predecode cache when using JIT
97 + #define PPC_ENABLE_JIT 1
98 + #undef  PPC_DECODE_CACHE
99 + #endif
100 + #if defined(__i386__)
101 + #define DYNGEN_ASM_OPTS 1
102 + #endif
103 + #else
104 + // Mac ROM is write protected
105 + #define ROM_IS_WRITE_PROTECTED 1
106 + #define USE_SCRATCHMEM_SUBTERFUGE 0
107 + #endif
108 +
109   // Data types
110   typedef unsigned char uint8;
111   typedef signed char int8;
# Line 92 | Line 130 | typedef long int32;
130   #if SIZEOF_LONG == 8
131   typedef unsigned long uint64;
132   typedef long int64;
133 + #define VAL64(a) (a ## l)
134 + #define UVAL64(a) (a ## ul)
135   #elif SIZEOF_LONG_LONG == 8
136   typedef unsigned long long uint64;
137   typedef long long int64;
138 + #define VAL64(a) (a ## LL)
139 + #define UVAL64(a) (a ## uLL)
140   #else
141   #error "No 8 byte type, you lose."
142   #endif
143 + #if SIZEOF_VOID_P == 4
144 + typedef uint32 uintptr;
145 + typedef int32 intptr;
146 + #elif SIZEOF_VOID_P == 8
147 + typedef uint64 uintptr;
148 + typedef int64 intptr;
149 + #else
150 + #error "Unsupported size of pointer"
151 + #endif
152 +
153 + /**
154 + *              Helper functions to byteswap data
155 + **/
156 +
157 + #if defined(__GNUC__)
158 + #if defined(__x86_64__) || defined(__i386__)
159 + // Linux/AMD64 currently has no asm optimized bswap_32() in <byteswap.h>
160 + #define opt_bswap_32 do_opt_bswap_32
161 + static inline uint32 do_opt_bswap_32(uint32 x)
162 + {
163 +  uint32 v;
164 +  __asm__ __volatile__ ("bswap %0" : "=r" (v) : "0" (x));
165 +  return v;
166 + }
167 + #endif
168 + #endif
169 +
170 + #ifdef HAVE_BYTESWAP_H
171 + #include <byteswap.h>
172 + #endif
173 +
174 + #ifdef  opt_bswap_16
175 + #undef  bswap_16
176 + #define bswap_16 opt_bswap_16
177 + #endif
178 + #ifndef bswap_16
179 + #define bswap_16 generic_bswap_16
180 + #endif
181 +
182 + static inline uint16 generic_bswap_16(uint16 x)
183 + {
184 +  return ((x & 0xff) << 8) | ((x >> 8) & 0xff);
185 + }
186 +
187 + #ifdef  opt_bswap_32
188 + #undef  bswap_32
189 + #define bswap_32 opt_bswap_32
190 + #endif
191 + #ifndef bswap_32
192 + #define bswap_32 generic_bswap_32
193 + #endif
194 +
195 + static inline uint32 generic_bswap_32(uint32 x)
196 + {
197 +  return (((x & 0xff000000) >> 24) |
198 +                  ((x & 0x00ff0000) >>  8) |
199 +                  ((x & 0x0000ff00) <<  8) |
200 +                  ((x & 0x000000ff) << 24) );
201 + }
202 +
203 + #if defined(__i386__)
204 + #define opt_bswap_64 do_opt_bswap_64
205 + static inline uint64 do_opt_bswap_64(uint64 x)
206 + {
207 +  return (bswap_32(x >> 32) | (((uint64)bswap_32((uint32)x)) << 32));
208 + }
209 + #endif
210 +
211 + #ifdef  opt_bswap_64
212 + #undef  bswap_64
213 + #define bswap_64 opt_bswap_64
214 + #endif
215 + #ifndef bswap_64
216 + #define bswap_64 generic_bswap_64
217 + #endif
218 +
219 + static inline uint64 generic_bswap_64(uint64 x)
220 + {
221 +  return (((x & UVAL64(0xff00000000000000)) >> 56) |
222 +                  ((x & UVAL64(0x00ff000000000000)) >> 40) |
223 +                  ((x & UVAL64(0x0000ff0000000000)) >> 24) |
224 +                  ((x & UVAL64(0x000000ff00000000)) >>  8) |
225 +                  ((x & UVAL64(0x00000000ff000000)) <<  8) |
226 +                  ((x & UVAL64(0x0000000000ff0000)) << 24) |
227 +                  ((x & UVAL64(0x000000000000ff00)) << 40) |
228 +                  ((x & UVAL64(0x00000000000000ff)) << 56) );
229 + }
230 +
231 + #ifdef WORDS_BIGENDIAN
232 + static inline uint16 tswap16(uint16 x) { return x; }
233 + static inline uint32 tswap32(uint32 x) { return x; }
234 + static inline uint64 tswap64(uint64 x) { return x; }
235 + #else
236 + static inline uint16 tswap16(uint16 x) { return bswap_16(x); }
237 + static inline uint32 tswap32(uint32 x) { return bswap_32(x); }
238 + static inline uint64 tswap64(uint64 x) { return bswap_64(x); }
239 + #endif
240 +
241 + // spin locks
242 + #ifdef __GNUC__
243 +
244 + #if defined(__powerpc__) || defined(__ppc__)
245 + #define HAVE_TEST_AND_SET 1
246 + static inline int testandset(volatile int *p)
247 + {
248 +        int ret;
249 +        __asm__ __volatile__("0:    lwarx       %0,0,%1\n"
250 +                                                 "      xor.    %0,%3,%0\n"
251 +                                                 "      bne             1f\n"
252 +                                                 "      stwcx.  %2,0,%1\n"
253 +                                                 "      bne-    0b\n"
254 +                                                 "1:    "
255 +                                                 : "=&r" (ret)
256 +                                                 : "r" (p), "r" (1), "r" (0)
257 +                                                 : "cr0", "memory");
258 +        return ret;
259 + }
260 + #endif
261 +
262 + /* FIXME: SheepShaver occasionnally hangs with those locks */
263 + #if 0 && (defined(__i386__) || defined(__x86_64__))
264 + #define HAVE_TEST_AND_SET 1
265 + static inline int testandset(volatile int *p)
266 + {
267 +        long int ret;
268 +        /* Note: the "xchg" instruction does not need a "lock" prefix */
269 +        __asm__ __volatile__("xchgl %k0, %1"
270 +                                                 : "=r" (ret), "=m" (*p)
271 +                                                 : "0" (1), "m" (*p)
272 +                                                 : "memory");
273 +        return ret;
274 + }
275 + #endif
276 +
277 + #ifdef __s390__
278 + #define HAVE_TEST_AND_SET 1
279 + static inline int testandset(volatile int *p)
280 + {
281 +        int ret;
282 +
283 +        __asm__ __volatile__("0: cs    %0,%1,0(%2)\n"
284 +                                                 "   jl    0b"
285 +                                                 : "=&d" (ret)
286 +                                                 : "r" (1), "a" (p), "0" (*p)
287 +                                                 : "cc", "memory" );
288 +        return ret;
289 + }
290 + #endif
291 +
292 + #ifdef __alpha__
293 + #define HAVE_TEST_AND_SET 1
294 + static inline int testandset(volatile int *p)
295 + {
296 +        int ret;
297 +        unsigned long one;
298 +
299 +        __asm__ __volatile__("0:        mov 1,%2\n"
300 +                                                 "      ldl_l %0,%1\n"
301 +                                                 "      stl_c %2,%1\n"
302 +                                                 "      beq %2,1f\n"
303 +                                                 ".subsection 2\n"
304 +                                                 "1:    br 0b\n"
305 +                                                 ".previous"
306 +                                                 : "=r" (ret), "=m" (*p), "=r" (one)
307 +                                                 : "m" (*p));
308 +        return ret;
309 + }
310 + #endif
311 +
312 + #ifdef __sparc__
313 + #define HAVE_TEST_AND_SET 1
314 + static inline int testandset(volatile int *p)
315 + {
316 +        int ret;
317 +
318 +        __asm__ __volatile__("ldstub    [%1], %0"
319 +                                                 : "=r" (ret)
320 +                                                 : "r" (p)
321 +                                                 : "memory");
322 +
323 +        return (ret ? 1 : 0);
324 + }
325 + #endif
326 +
327 + #ifdef __arm__
328 + #define HAVE_TEST_AND_SET 1
329 + static inline int testandset(volatile int *p)
330 + {
331 +        register unsigned int ret;
332 +        __asm__ __volatile__("swp %0, %1, [%2]"
333 +                                                 : "=r"(ret)
334 +                                                 : "0"(1), "r"(p));
335 +        
336 +        return ret;
337 + }
338 + #endif
339 +
340 + #endif /* __GNUC__ */
341 +
342 + typedef volatile int spinlock_t;
343 +
344 + static const spinlock_t SPIN_LOCK_UNLOCKED = 0;
345 +
346 + #if HAVE_TEST_AND_SET
347 + #define HAVE_SPINLOCKS 1
348 + static inline void spin_lock(spinlock_t *lock)
349 + {
350 +        while (testandset(lock));
351 + }
352 +
353 + static inline void spin_unlock(spinlock_t *lock)
354 + {
355 +        *lock = 0;
356 + }
357 +
358 + static inline int spin_trylock(spinlock_t *lock)
359 + {
360 +        return !testandset(lock);
361 + }
362 + #else
363 + static inline void spin_lock(spinlock_t *lock)
364 + {
365 + }
366 +
367 + static inline void spin_unlock(spinlock_t *lock)
368 + {
369 + }
370 +
371 + static inline int spin_trylock(spinlock_t *lock)
372 + {
373 +        return 1;
374 + }
375 + #endif
376  
377   // Time data type for Time Manager emulation
378   #ifdef HAVE_CLOCK_GETTIME
# Line 106 | Line 381 | typedef struct timespec tm_time_t;
381   typedef struct timeval tm_time_t;
382   #endif
383  
384 + // Timing functions
385 + extern uint64 GetTicks_usec(void);
386 + extern void Delay_usec(uint32 usec);
387 +
388 + #if defined(HAVE_PTHREADS) || (defined(__linux__) && defined(__powerpc__))
389   // Setup pthread attributes
390   extern void Set_pthread_attr(pthread_attr_t *attr, int priority);
391 + #endif
392  
393   // Various definitions
394   typedef struct rgb_color {
# Line 117 | Line 398 | typedef struct rgb_color {
398          uint8           alpha;
399   } rgb_color;
400  
401 + // X11 display fast locks
402 + #ifdef HAVE_SPINLOCKS
403 + #define X11_LOCK_TYPE spinlock_t
404 + #define X11_LOCK_INIT SPIN_LOCK_UNLOCKED
405 + #define XDisplayLock() spin_lock(&x_display_lock)
406 + #define XDisplayUnlock() spin_unlock(&x_display_lock)
407 + #elif defined(HAVE_PTHREADS)
408 + #define X11_LOCK_TYPE pthread_mutex_t
409 + #define X11_LOCK_INIT PTHREAD_MUTEX_INITIALIZER
410 + #define XDisplayLock() pthread_mutex_lock(&x_display_lock);
411 + #define XDisplayUnlock() pthread_mutex_unlock(&x_display_lock);
412 + #else
413 + #define XDisplayLock()
414 + #define XDisplayUnlock()
415 + #endif
416 + #ifdef X11_LOCK_TYPE
417 + extern X11_LOCK_TYPE x_display_lock;
418 + #endif
419 +
420   // Macro for calling MacOS routines
421 < #define CallMacOS(type, tvect) call_macos((uint32)tvect)
422 < #define CallMacOS1(type, tvect, arg1) call_macos1((uint32)tvect, (uint32)arg1)
423 < #define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uint32)tvect, (uint32)arg1, (uint32)arg2)
424 < #define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3)
425 < #define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4)
426 < #define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4, (uint32)arg5)
427 < #define CallMacOS6(type, tvect, arg1, arg2, arg3, arg4, arg5, arg6) call_macos6((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4, (uint32)arg5, (uint32)arg6)
428 < #define CallMacOS7(type, tvect, arg1, arg2, arg3, arg4, arg5, arg6, arg7) call_macos7((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4, (uint32)arg5, (uint32)arg6, (uint32)arg7)
429 <
430 < extern "C" uint32 call_macos(uint32 tvect);
431 < extern "C" uint32 call_macos1(uint32 tvect, uint32 arg1);
432 < extern "C" uint32 call_macos2(uint32 tvect, uint32 arg1, uint32 arg2);
433 < extern "C" uint32 call_macos3(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3);
434 < extern "C" uint32 call_macos4(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4);
435 < extern "C" uint32 call_macos5(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5);
436 < extern "C" uint32 call_macos6(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6);
437 < extern "C" uint32 call_macos7(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6, uint32 arg7);
421 > #define CallMacOS(type, tvect) call_macos((uintptr)tvect)
422 > #define CallMacOS1(type, tvect, arg1) call_macos1((uintptr)tvect, (uintptr)arg1)
423 > #define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uintptr)tvect, (uintptr)arg1, (uintptr)arg2)
424 > #define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3)
425 > #define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4)
426 > #define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5)
427 > #define CallMacOS6(type, tvect, arg1, arg2, arg3, arg4, arg5, arg6) call_macos6((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5, (uintptr)arg6)
428 > #define CallMacOS7(type, tvect, arg1, arg2, arg3, arg4, arg5, arg6, arg7) call_macos7((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5, (uintptr)arg6, (uintptr)arg7)
429 >
430 > #ifdef __cplusplus
431 > extern "C" {
432 > #endif
433 > extern uint32 call_macos(uint32 tvect);
434 > extern uint32 call_macos1(uint32 tvect, uint32 arg1);
435 > extern uint32 call_macos2(uint32 tvect, uint32 arg1, uint32 arg2);
436 > extern uint32 call_macos3(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3);
437 > extern uint32 call_macos4(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4);
438 > extern uint32 call_macos5(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5);
439 > extern uint32 call_macos6(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6);
440 > extern uint32 call_macos7(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6, uint32 arg7);
441 > #ifdef __cplusplus
442 > }
443 > #endif
444  
445   #endif

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