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

Comparing SheepShaver/src/Unix/sysdeps.h (file contents):
Revision 1.14 by gbeauche, 2003-11-11T11:32:24Z vs.
Revision 1.35 by gbeauche, 2004-11-22T22:40:26Z

#	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 62 | Line 66
66		// Define for external components
67		#define SHEEPSHAVER 1
68
69	<	// Mac and host address space are the same
69	>	// Always use Real Addressing mode on native architectures
70	>	// Otherwise, use Direct Addressing mode if NATMEM_OFFSET is set
71	>	#if !defined(EMULATED_PPC)
72	>	#define REAL_ADDRESSING 1
73	>	#elif defined(__CYGWIN__)
74	>	#define DIRECT_ADDRESSING 1
75	>	#define DIRECT_ADDRESSING_HACK 1
76	>	/*
77	>	The following address translation functions were empirically
78	>	determined on a Windows XP system running Cygwin 1.5.12-1 so
79	>	that RAM size can be maximized (up to 960 MB) and avoiding
80	>	the use of a TLB. This also takes into account reduced address
81	>	space available when the Cygwin runtime is used.
82	>	*/
83	>	#define DIRECT_ADDRESSING_VIRT2PHYS(ADDR) \
84	>	((ADDR) + (((ADDR)  < 0x41000000) ? 0x39000000 : 0xcf800000))
85	>	#define DIRECT_ADDRESSING_PHYS2VIRT(ADDR) \
86	>	((ADDR) - (((ADDR) >= 0x39000000) ? 0x39000000 : 0xcf800000))
87	>	#elif defined(NATMEM_OFFSET)
88	>	#define DIRECT_ADDRESSING 1
89	>	#else
90		#define REAL_ADDRESSING 1
91	+	#endif
92
93		#define POWERPC_ROM 1
94
95		#if EMULATED_PPC
71	–	// Handle interrupts asynchronously?
72	–	#define ASYNC_IRQ 0
96		// Mac ROM is write protected when banked memory is used
97		#if REAL_ADDRESSING || DIRECT_ADDRESSING
98		# define ROM_IS_WRITE_PROTECTED 0
#	Line 78 | Line 101
101		# define ROM_IS_WRITE_PROTECTED 1
102		#endif
103		// Configure PowerPC emulator
104	<	#define PPC_CHECK_INTERRUPTS (ASYNC_IRQ ? 0 : 1)
104	>	#define PPC_REENTRANT_JIT 1
105	>	#define PPC_CHECK_INTERRUPTS 1
106		#define PPC_DECODE_CACHE 1
107		#define PPC_FLIGHT_RECORDER 1
108	+	#define PPC_PROFILE_COMPILE_TIME 0
109	+	#define PPC_PROFILE_GENERIC_CALLS 0
110	+	#define KPX_MAX_CPUS 1
111	+	#if ENABLE_DYNGEN
112	+	// Don't bother with predecode cache when using JIT
113	+	#define PPC_ENABLE_JIT 1
114	+	#undef  PPC_DECODE_CACHE
115	+	#endif
116	+	#if defined(__i386__)
117	+	#define DYNGEN_ASM_OPTS 1
118	+	#endif
119		#else
120		// Mac ROM is write protected
121		#define ROM_IS_WRITE_PROTECTED 1
#	Line 131 | Line 166 | typedef int64 intptr;
166		#error "Unsupported size of pointer"
167		#endif
168
169	<	// Helper functions to byteswap data
169	>	/**
170	>	*              Helper functions to byteswap data
171	>	**/
172	>
173	>	#if defined(__GNUC__)
174	>	#if defined(__x86_64__) || defined(__i386__)
175	>	// Linux/AMD64 currently has no asm optimized bswap_32() in <byteswap.h>
176	>	#define opt_bswap_32 do_opt_bswap_32
177	>	static inline uint32 do_opt_bswap_32(uint32 x)
178	>	{
179	>	uint32 v;
180	>	__asm__ __volatile__ ("bswap %0" : "=r" (v) : "0" (x));
181	>	return v;
182	>	}
183	>	#endif
184	>	#endif
185	>
186		#ifdef HAVE_BYTESWAP_H
187		#include <byteswap.h>
188		#endif
189
190	+	#ifdef  opt_bswap_16
191	+	#undef  bswap_16
192	+	#define bswap_16 opt_bswap_16
193	+	#endif
194		#ifndef bswap_16
195		#define bswap_16 generic_bswap_16
196		#endif
#	Line 145 | Line 200 | static inline uint16 generic_bswap_16(ui
200		return ((x & 0xff) << 8) | ((x >> 8) & 0xff);
201		}
202
203	+	#ifdef  opt_bswap_32
204	+	#undef  bswap_32
205	+	#define bswap_32 opt_bswap_32
206	+	#endif
207		#ifndef bswap_32
208		#define bswap_32 generic_bswap_32
209		#endif
#	Line 157 | Line 216 | static inline uint32 generic_bswap_32(ui
216		((x & 0x000000ff) << 24) );
217		}
218
219	+	#if defined(__i386__)
220	+	#define opt_bswap_64 do_opt_bswap_64
221	+	static inline uint64 do_opt_bswap_64(uint64 x)
222	+	{
223	+	return (bswap_32(x >> 32) | (((uint64)bswap_32((uint32)x)) << 32));
224	+	}
225	+	#endif
226	+
227	+	#ifdef  opt_bswap_64
228	+	#undef  bswap_64
229	+	#define bswap_64 opt_bswap_64
230	+	#endif
231		#ifndef bswap_64
232		#define bswap_64 generic_bswap_64
233		#endif
#	Line 186 | Line 257 | static inline uint64 tswap64(uint64 x) {
257		// spin locks
258		#ifdef __GNUC__
259
260	<	#ifdef __powerpc__
260	>	#if defined(__powerpc__) || defined(__ppc__)
261		#define HAVE_TEST_AND_SET 1
262	<	static inline int testandset(int *p)
262	>	static inline int testandset(volatile int *p)
263		{
264		int ret;
265	<	__asm__ __volatile__("0:    lwarx %0,0,%1 ;"
266	<	"      xor. %0,%3,%0;"
267	<	"      bne 1f;"
268	<	"      stwcx. %2,0,%1;"
269	<	"      bne- 0b;"
265	>	__asm__ __volatile__("0:    lwarx       %0,0,%1\n"
266	>	"      xor.    %0,%3,%0\n"
267	>	"      bne             1f\n"
268	>	"      stwcx.  %2,0,%1\n"
269	>	"      bne-    0b\n"
270		"1:    "
271		: "=&r" (ret)
272		: "r" (p), "r" (1), "r" (0)
#	Line 204 | Line 275 | static inline int testandset(int *p)
275		}
276		#endif
277
278	<	#ifdef __i386__
278	>	/* FIXME: SheepShaver occasionnally hangs with those locks */
279	>	#if 0 && (defined(__i386__) || defined(__x86_64__))
280		#define HAVE_TEST_AND_SET 1
281	<	static inline int testandset(int *p)
281	>	static inline int testandset(volatile int *p)
282		{
283	<	char ret;
284	<	long int readval;
285	<
286	<	__asm__ __volatile__("lock; cmpxchgl %3, %1; sete %0"
287	<	: "=q" (ret), "=m" (*p), "=a" (readval)
216	<	: "r" (1), "m" (*p), "a" (0)
283	>	long int ret;
284	>	/* Note: the "xchg" instruction does not need a "lock" prefix */
285	>	__asm__ __volatile__("xchgl %k0, %1"
286	>	: "=r" (ret), "=m" (*p)
287	>	: "0" (1), "m" (*p)
288		: "memory");
289		return ret;
290		}
#	Line 221 | Line 292 | static inline int testandset(int *p)
292
293		#ifdef __s390__
294		#define HAVE_TEST_AND_SET 1
295	<	static inline int testandset(int *p)
295	>	static inline int testandset(volatile int *p)
296		{
297		int ret;
298
#	Line 236 | Line 307 | static inline int testandset(int *p)
307
308		#ifdef __alpha__
309		#define HAVE_TEST_AND_SET 1
310	<	static inline int testandset(int *p)
310	>	static inline int testandset(volatile int *p)
311		{
312		int ret;
313		unsigned long one;
#	Line 256 | Line 327 | static inline int testandset(int *p)
327
328		#ifdef __sparc__
329		#define HAVE_TEST_AND_SET 1
330	<	static inline int testandset(int *p)
330	>	static inline int testandset(volatile int *p)
331		{
332		int ret;
333
#	Line 271 | Line 342 | static inline int testandset(int *p)
342
343		#ifdef __arm__
344		#define HAVE_TEST_AND_SET 1
345	<	static inline int testandset(int *p)
345	>	static inline int testandset(volatile int *p)
346		{
347		register unsigned int ret;
348		__asm__ __volatile__("swp %0, %1, [%2]"
#	Line 284 | Line 355 | static inline int testandset(int *p)
355
356		#endif /* __GNUC__ */
357
358	<	#if HAVE_TEST_AND_SET
288	<	#define HAVE_SPINLOCKS 1
289	<	typedef int spinlock_t;
358	>	typedef volatile int spinlock_t;
359
360		static const spinlock_t SPIN_LOCK_UNLOCKED = 0;
361
362	+	#if HAVE_TEST_AND_SET
363	+	#define HAVE_SPINLOCKS 1
364		static inline void spin_lock(spinlock_t *lock)
365		{
366		while (testandset(lock));
#	Line 304 | Line 375 | static inline int spin_trylock(spinlock_
375		{
376		return !testandset(lock);
377		}
378	+	#else
379	+	static inline void spin_lock(spinlock_t *lock)
380	+	{
381	+	}
382	+
383	+	static inline void spin_unlock(spinlock_t *lock)
384	+	{
385	+	}
386	+
387	+	static inline int spin_trylock(spinlock_t *lock)
388	+	{
389	+	return 1;
390	+	}
391		#endif
392
393		// Time data type for Time Manager emulation
#	Line 313 | Line 397 | typedef struct timespec tm_time_t;
397		typedef struct timeval tm_time_t;
398		#endif
399
400	+	// Timing functions
401	+	extern uint64 GetTicks_usec(void);
402	+	extern void Delay_usec(uint32 usec);
403	+
404	+	#if defined(HAVE_PTHREADS) || (defined(__linux__) && defined(__powerpc__))
405		// Setup pthread attributes
406		extern void Set_pthread_attr(pthread_attr_t *attr, int priority);
407	+	#endif
408
409		// Various definitions
410		typedef struct rgb_color {
#	Line 324 | Line 414 | typedef struct rgb_color {
414		uint8           alpha;
415		} rgb_color;
416
417	+	// X11 display fast locks
418	+	#ifdef HAVE_SPINLOCKS
419	+	#define X11_LOCK_TYPE spinlock_t
420	+	#define X11_LOCK_INIT SPIN_LOCK_UNLOCKED
421	+	#define XDisplayLock() spin_lock(&x_display_lock)
422	+	#define XDisplayUnlock() spin_unlock(&x_display_lock)
423	+	#elif defined(HAVE_PTHREADS)
424	+	#define X11_LOCK_TYPE pthread_mutex_t
425	+	#define X11_LOCK_INIT PTHREAD_MUTEX_INITIALIZER
426	+	#define XDisplayLock() pthread_mutex_lock(&x_display_lock);
427	+	#define XDisplayUnlock() pthread_mutex_unlock(&x_display_lock);
428	+	#else
429	+	#define XDisplayLock()
430	+	#define XDisplayUnlock()
431	+	#endif
432	+	#ifdef X11_LOCK_TYPE
433	+	extern X11_LOCK_TYPE x_display_lock;
434	+	#endif
435	+
436		// Macro for calling MacOS routines
437	<	#define CallMacOS(type, tvect) call_macos((uint32)tvect)
438	<	#define CallMacOS1(type, tvect, arg1) call_macos1((uint32)tvect, (uint32)arg1)
439	<	#define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uint32)tvect, (uint32)arg1, (uint32)arg2)
440	<	#define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3)
441	<	#define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4)
442	<	#define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4, (uint32)arg5)
443	<	#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)
444	<	#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)
437	>	#define CallMacOS(type, tvect) call_macos((uintptr)tvect)
438	>	#define CallMacOS1(type, tvect, arg1) call_macos1((uintptr)tvect, (uintptr)arg1)
439	>	#define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uintptr)tvect, (uintptr)arg1, (uintptr)arg2)
440	>	#define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3)
441	>	#define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4)
442	>	#define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5)
443	>	#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)
444	>	#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)
445
446		#ifdef __cplusplus
447		extern "C" {

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