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

Comparing SheepShaver/src/Unix/sysdeps.h (file contents):
Revision 1.23 by gbeauche, 2004-01-26T13:52:31Z vs.
Revision 1.36 by gbeauche, 2005-01-30T21:48:20Z

#	Line 1 | Line 1
1		/*
2		*  sysdeps.h - System dependent definitions for Linux
3		*
4	<	*  SheepShaver (C) 1997-2004 Christian Bauer and Marc Hellwig
4	>	*  SheepShaver (C) 1997-2005 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 243 | Line 275 | static inline int testandset(volatile in
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(volatile int *p)
282		{
283	<	int ret;
251	<	long int readval;
283	>	long int ret;
284		/* Note: the "xchg" instruction does not need a "lock" prefix */
285	<	__asm__ __volatile__("xchgl %0, %1"
286	<	: "=r" (ret), "=m" (*p), "=a" (readval)
285	>	__asm__ __volatile__("xchgl %k0, %1"
286	>	: "=r" (ret), "=m" (*p)
287		: "0" (1), "m" (*p)
288		: "memory");
289		return ret;
#	Line 323 | Line 355 | static inline int testandset(volatile in
355
356		#endif /* __GNUC__ */
357
326	–	#if HAVE_TEST_AND_SET
327	–	#define HAVE_SPINLOCKS 1
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 343 | 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 356 | Line 401 | typedef struct timeval tm_time_t;
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 387 | Line 434 | 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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