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

Comparing SheepShaver/src/Unix/sysdeps.h (file contents):
Revision 1.25 by gbeauche, 2004-02-25T22:02:59Z vs.
Revision 1.52 by gbeauche, 2006-05-02T19:33:10Z

#	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 41 | Line 41
41		#include <assert.h>
42		#include <stdio.h>
43		#include <stdlib.h>
44	+	#include <stddef.h>
45		#include <string.h>
46		#include <signal.h>
47
#	Line 63 | Line 64
64		# endif
65		#endif
66
67	+	// Fix offsetof() on FreeBSD and GCC >= 3.4
68	+	#if defined(__FreeBSD__) && defined(__cplusplus)
69	+	#undef offsetof
70	+	/* The cast to "char &" below avoids problems with user-defined
71	+	"operator &", which can appear in a POD type.  */
72	+	#define offsetof(TYPE, MEMBER)                          \
73	+	(__offsetof__ (reinterpret_cast <size_t>              \
74	+	(&reinterpret_cast <char &>            \
75	+	(static_cast<TYPE *> (0)->MEMBER))))
76	+	#endif
77	+
78		// Define for external components
79		#define SHEEPSHAVER 1
80
81	<	// Mac and host address space are the same
81	>	// Always use Real Addressing mode on native architectures
82	>	// Otherwise, use Direct Addressing mode if NATMEM_OFFSET is set
83	>	#if !defined(EMULATED_PPC)
84		#define REAL_ADDRESSING 1
85	+	#include "ppc_asm.tmpl"
86	+	#elif defined(NATMEM_OFFSET)
87	+	#define DIRECT_ADDRESSING 1
88	+	#else
89	+	#define REAL_ADDRESSING 1
90	+	#endif
91	+
92	+	// Always use the complete non-stubs Ethernet driver
93	+	#define USE_ETHER_FULL_DRIVER 1
94
95		#define POWERPC_ROM 1
96
97		#if EMULATED_PPC
75	–	// Handle interrupts asynchronously?
76	–	#define ASYNC_IRQ 0
98		// Mac ROM is write protected when banked memory is used
99		#if REAL_ADDRESSING || DIRECT_ADDRESSING
100		# define ROM_IS_WRITE_PROTECTED 0
#	Line 82 | Line 103
103		# define ROM_IS_WRITE_PROTECTED 1
104		#endif
105		// Configure PowerPC emulator
106	<	#define PPC_CHECK_INTERRUPTS (ASYNC_IRQ ? 0 : 1)
106	>	#define PPC_REENTRANT_JIT 1
107	>	#define PPC_CHECK_INTERRUPTS 1
108		#define PPC_DECODE_CACHE 1
109		#define PPC_FLIGHT_RECORDER 1
110		#define PPC_PROFILE_COMPILE_TIME 0
111		#define PPC_PROFILE_GENERIC_CALLS 0
112		#define KPX_MAX_CPUS 1
113	+	#if ENABLE_DYNGEN
114	+	#define PPC_ENABLE_JIT 1
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 247 | Line 275 | static inline int testandset(volatile in
275		}
276		#endif
277
278	<	#ifdef __i386__
278	>	#if defined(__i386__) || defined(__x86_64__)
279		#define HAVE_TEST_AND_SET 1
280		static inline int testandset(volatile int *p)
281		{
282	<	int ret;
255	<	long int readval;
282	>	long int ret;
283		/* Note: the "xchg" instruction does not need a "lock" prefix */
284	<	__asm__ __volatile__("xchgl %0, %1"
285	<	: "=r" (ret), "=m" (*p), "=a" (readval)
284	>	__asm__ __volatile__("xchgl %k0, %1"
285	>	: "=r" (ret), "=m" (*p)
286		: "0" (1), "m" (*p)
287		: "memory");
288		return ret;
#	Line 327 | Line 354 | static inline int testandset(volatile in
354
355		#endif /* __GNUC__ */
356
330	–	#if HAVE_TEST_AND_SET
331	–	#define HAVE_SPINLOCKS 1
357		typedef volatile int spinlock_t;
358
359		static const spinlock_t SPIN_LOCK_UNLOCKED = 0;
360
361	+	#if defined(HAVE_TEST_AND_SET) && defined(HAVE_PTHREADS)
362	+	// There is nothing to lock if we are not in an multithreaded environment
363	+	#define HAVE_SPINLOCKS 1
364		static inline void spin_lock(spinlock_t *lock)
365		{
366		while (testandset(lock));
#	Line 347 | 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 397 | typedef struct timespec tm_time_t;
397		typedef struct timeval tm_time_t;
398		#endif
399
400	+	/* Define codes for all the float formats that we know of.
401	+	* Though we only handle IEEE format.  */
402	+	#define UNKNOWN_FLOAT_FORMAT 0
403	+	#define IEEE_FLOAT_FORMAT 1
404	+	#define VAX_FLOAT_FORMAT 2
405	+	#define IBM_FLOAT_FORMAT 3
406	+	#define C4X_FLOAT_FORMAT 4
407	+
408	+	// High-precision timing
409	+	#if defined(HAVE_PTHREADS) && defined(HAVE_CLOCK_NANOSLEEP)
410	+	#define PRECISE_TIMING 1
411	+	#define PRECISE_TIMING_POSIX 1
412	+	#endif
413	+
414		// Timing functions
415		extern uint64 GetTicks_usec(void);
416		extern void Delay_usec(uint32 usec);
417
418	<	#if defined(HAVE_PTHREADS) || (defined(__linux__) && defined(__powerpc__))
418	>	#ifdef HAVE_PTHREADS
419		// Setup pthread attributes
420		extern void Set_pthread_attr(pthread_attr_t *attr, int priority);
421		#endif
#	Line 374 | Line 429 | typedef struct rgb_color {
429		} rgb_color;
430
431		// X11 display fast locks
432	<	#ifdef HAVE_SPINLOCKS
378	<	#define X11_LOCK_TYPE spinlock_t
379	<	#define X11_LOCK_INIT SPIN_LOCK_UNLOCKED
380	<	#define XDisplayLock() spin_lock(&x_display_lock)
381	<	#define XDisplayUnlock() spin_unlock(&x_display_lock)
382	<	#elif defined(HAVE_PTHREADS)
432	>	#if defined(HAVE_PTHREADS)
433		#define X11_LOCK_TYPE pthread_mutex_t
434		#define X11_LOCK_INIT PTHREAD_MUTEX_INITIALIZER
435		#define XDisplayLock() pthread_mutex_lock(&x_display_lock);
436		#define XDisplayUnlock() pthread_mutex_unlock(&x_display_lock);
437	+	#elif defined(HAVE_SPINLOCKS)
438	+	#define X11_LOCK_TYPE spinlock_t
439	+	#define X11_LOCK_INIT SPIN_LOCK_UNLOCKED
440	+	#define XDisplayLock() spin_lock(&x_display_lock)
441	+	#define XDisplayUnlock() spin_unlock(&x_display_lock)
442		#else
443		#define XDisplayLock()
444		#define XDisplayUnlock()
#	Line 393 | Line 448 | extern X11_LOCK_TYPE x_display_lock;
448		#endif
449
450		// Macro for calling MacOS routines
451	<	#define CallMacOS(type, tvect) call_macos((uint32)tvect)
452	<	#define CallMacOS1(type, tvect, arg1) call_macos1((uint32)tvect, (uint32)arg1)
453	<	#define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uint32)tvect, (uint32)arg1, (uint32)arg2)
454	<	#define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3)
455	<	#define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4)
456	<	#define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4, (uint32)arg5)
457	<	#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)
458	<	#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)
451	>	#define CallMacOS(type, tvect) call_macos((uintptr)tvect)
452	>	#define CallMacOS1(type, tvect, arg1) call_macos1((uintptr)tvect, (uintptr)arg1)
453	>	#define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uintptr)tvect, (uintptr)arg1, (uintptr)arg2)
454	>	#define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3)
455	>	#define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4)
456	>	#define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5)
457	>	#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)
458	>	#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)
459
460		#ifdef __cplusplus
461		extern "C" {

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