[ViewVC] Diff of: cebix/SheepShaver/src/Unix/sysdeps.h

Comparing SheepShaver/src/Unix/sysdeps.h (file contents):
Revision 1.5 by gbeauche, 2003-09-07T14:19:25Z vs.
Revision 1.22 by gbeauche, 2004-01-18T22:05:28Z

#	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 68 \| Line 68
68		#define POWERPC_ROM 1
69
70		#if EMULATED_PPC
71	+	// Handle interrupts asynchronously?
72	+	#define ASYNC_IRQ 0
73		// Mac ROM is write protected when banked memory is used
74		#if REAL_ADDRESSING \|\| DIRECT_ADDRESSING
75		# define ROM_IS_WRITE_PROTECTED 0
#	Line 75 \| Line 77
77		#else
78		# define ROM_IS_WRITE_PROTECTED 1
79		#endif
80	+	// Configure PowerPC emulator
81	+	#define PPC_CHECK_INTERRUPTS (ASYNC_IRQ ? 0 : 1)
82	+	#define PPC_DECODE_CACHE 1
83	+	#define PPC_FLIGHT_RECORDER 1
84	+	#define PPC_PROFILE_COMPILE_TIME 0
85	+	#define PPC_PROFILE_GENERIC_CALLS 0
86	+	#define KPX_MAX_CPUS 1
87		#else
88		// Mac ROM is write protected
89		#define ROM_IS_WRITE_PROTECTED 1
#	Line 125 \| Line 134 \| typedef int64 intptr;
134		#error "Unsupported size of pointer"
135		#endif
136
137	<	// Helper functions to byteswap data
137	>	/**
138	>	* Helper functions to byteswap data
139	>	**/
140	>
141	>	#if defined(__GNUC__)
142	>	#if defined(__x86_64__)
143	>	// Linux/AMD64 currently has no asm optimized bswap_32() in <byteswap.h>
144	>	#define opt_bswap_32 do_opt_bswap_32
145	>	static inline uint32 do_opt_bswap_32(uint32 x)
146	>	{
147	>	uint32 v;
148	>	__asm__ __volatile__ ("bswap %0" : "=r" (v) : "0" (x));
149	>	return v;
150	>	}
151	>	#endif
152	>	#endif
153	>
154		#ifdef HAVE_BYTESWAP_H
155		#include <byteswap.h>
156		#endif
157
158	+	#ifdef opt_bswap_16
159	+	#undef bswap_16
160	+	#define bswap_16 opt_bswap_16
161	+	#endif
162		#ifndef bswap_16
163		#define bswap_16 generic_bswap_16
164		#endif
#	Line 139 \| Line 168 \| static inline uint16 generic_bswap_16(ui
168		return ((x & 0xff) << 8) \| ((x >> 8) & 0xff);
169		}
170
171	+	#ifdef opt_bswap_32
172	+	#undef bswap_32
173	+	#define bswap_32 opt_bswap_32
174	+	#endif
175		#ifndef bswap_32
176		#define bswap_32 generic_bswap_32
177		#endif
#	Line 151 \| Line 184 \| static inline uint32 generic_bswap_32(ui
184		((x & 0x000000ff) << 24) );
185		}
186
187	+	#ifdef opt_bswap_64
188	+	#undef bswap_64
189	+	#define bswap_64 opt_bswap_64
190	+	#endif
191		#ifndef bswap_64
192		#define bswap_64 generic_bswap_64
193		#endif
#	Line 177 \| Line 214 \| static inline uint32 tswap32(uint32 x) {
214		static inline uint64 tswap64(uint64 x) { return bswap_64(x); }
215		#endif
216
217	+	// spin locks
218	+	#ifdef __GNUC__
219	+
220	+	#if defined(__powerpc__) \|\| defined(__ppc__)
221	+	#define HAVE_TEST_AND_SET 1
222	+	static inline int testandset(volatile int *p)
223	+	{
224	+	int ret;
225	+	__asm__ __volatile__("0: lwarx %0,0,%1\n"
226	+	" xor. %0,%3,%0\n"
227	+	" bne 1f\n"
228	+	" stwcx. %2,0,%1\n"
229	+	" bne- 0b\n"
230	+	"1: "
231	+	: "=&r" (ret)
232	+	: "r" (p), "r" (1), "r" (0)
233	+	: "cr0", "memory");
234	+	return ret;
235	+	}
236	+	#endif
237	+
238	+	#ifdef __i386__
239	+	#define HAVE_TEST_AND_SET 1
240	+	static inline int testandset(volatile int *p)
241	+	{
242	+	int ret;
243	+	long int readval;
244	+	/* Note: the "xchg" instruction does not need a "lock" prefix */
245	+	__asm__ __volatile__("xchgl %0, %1"
246	+	: "=r" (ret), "=m" (*p), "=a" (readval)
247	+	: "0" (1), "m" (*p)
248	+	: "memory");
249	+	return ret;
250	+	}
251	+	#endif
252	+
253	+	#ifdef __s390__
254	+	#define HAVE_TEST_AND_SET 1
255	+	static inline int testandset(volatile int *p)
256	+	{
257	+	int ret;
258	+
259	+	__asm__ __volatile__("0: cs %0,%1,0(%2)\n"
260	+	" jl 0b"
261	+	: "=&d" (ret)
262	+	: "r" (1), "a" (p), "0" (*p)
263	+	: "cc", "memory" );
264	+	return ret;
265	+	}
266	+	#endif
267	+
268	+	#ifdef __alpha__
269	+	#define HAVE_TEST_AND_SET 1
270	+	static inline int testandset(volatile int *p)
271	+	{
272	+	int ret;
273	+	unsigned long one;
274	+
275	+	__asm__ __volatile__("0: mov 1,%2\n"
276	+	" ldl_l %0,%1\n"
277	+	" stl_c %2,%1\n"
278	+	" beq %2,1f\n"
279	+	".subsection 2\n"
280	+	"1: br 0b\n"
281	+	".previous"
282	+	: "=r" (ret), "=m" (*p), "=r" (one)
283	+	: "m" (*p));
284	+	return ret;
285	+	}
286	+	#endif
287	+
288	+	#ifdef __sparc__
289	+	#define HAVE_TEST_AND_SET 1
290	+	static inline int testandset(volatile int *p)
291	+	{
292	+	int ret;
293	+
294	+	__asm__ __volatile__("ldstub [%1], %0"
295	+	: "=r" (ret)
296	+	: "r" (p)
297	+	: "memory");
298	+
299	+	return (ret ? 1 : 0);
300	+	}
301	+	#endif
302	+
303	+	#ifdef __arm__
304	+	#define HAVE_TEST_AND_SET 1
305	+	static inline int testandset(volatile int *p)
306	+	{
307	+	register unsigned int ret;
308	+	__asm__ __volatile__("swp %0, %1, [%2]"
309	+	: "=r"(ret)
310	+	: "0"(1), "r"(p));
311	+
312	+	return ret;
313	+	}
314	+	#endif
315	+
316	+	#endif /* __GNUC__ */
317	+
318	+	#if HAVE_TEST_AND_SET
319	+	#define HAVE_SPINLOCKS 1
320	+	typedef volatile int spinlock_t;
321	+
322	+	static const spinlock_t SPIN_LOCK_UNLOCKED = 0;
323	+
324	+	static inline void spin_lock(spinlock_t *lock)
325	+	{
326	+	while (testandset(lock));
327	+	}
328	+
329	+	static inline void spin_unlock(spinlock_t *lock)
330	+	{
331	+	*lock = 0;
332	+	}
333	+
334	+	static inline int spin_trylock(spinlock_t *lock)
335	+	{
336	+	return !testandset(lock);
337	+	}
338	+	#endif
339	+
340		// Time data type for Time Manager emulation
341		#ifdef HAVE_CLOCK_GETTIME
342		typedef struct timespec tm_time_t;
#	Line 184 \| Line 344 \| typedef struct timespec tm_time_t;
344		typedef struct timeval tm_time_t;
345		#endif
346
347	+	// Timing functions
348	+	extern uint64 GetTicks_usec(void);
349	+	extern void Delay_usec(uint32 usec);
350	+
351		// Setup pthread attributes
352		extern void Set_pthread_attr(pthread_attr_t *attr, int priority);
353
#	Line 195 \| Line 359 \| typedef struct rgb_color {
359		uint8 alpha;
360		} rgb_color;
361
362	+	// X11 display fast locks
363	+	#ifdef HAVE_SPINLOCKS
364	+	#define X11_LOCK_TYPE spinlock_t
365	+	#define X11_LOCK_INIT SPIN_LOCK_UNLOCKED
366	+	#define XDisplayLock() spin_lock(&x_display_lock)
367	+	#define XDisplayUnlock() spin_unlock(&x_display_lock)
368	+	#elif defined(HAVE_PTHREADS)
369	+	#define X11_LOCK_TYPE pthread_mutex_t
370	+	#define X11_LOCK_INIT PTHREAD_MUTEX_INITIALIZER
371	+	#define XDisplayLock() pthread_mutex_lock(&x_display_lock);
372	+	#define XDisplayUnlock() pthread_mutex_unlock(&x_display_lock);
373	+	#else
374	+	#define XDisplayLock()
375	+	#define XDisplayUnlock()
376	+	#endif
377	+	#ifdef X11_LOCK_TYPE
378	+	extern X11_LOCK_TYPE x_display_lock;
379	+	#endif
380	+
381		// Macro for calling MacOS routines
382		#define CallMacOS(type, tvect) call_macos((uint32)tvect)
383		#define CallMacOS1(type, tvect, arg1) call_macos1((uint32)tvect, (uint32)arg1)

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Comparing SheepShaver/src/Unix/sysdeps.h (file contents): Revision 1.5 by gbeauche, 2003-09-07T14:19:25Z vs. Revision 1.22 by gbeauche, 2004-01-18T22:05:28Z

Diff Legend

Comparing SheepShaver/src/Unix/sysdeps.h (file contents):
Revision 1.5 by gbeauche, 2003-09-07T14:19:25Z vs.
Revision 1.22 by gbeauche, 2004-01-18T22:05:28Z