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Comparing SheepShaver/src/Unix/sysdeps.h (file contents):
Revision 1.33 by gbeauche, 2004-06-15T21:37:22Z vs.
Revision 1.56 by gbeauche, 2007-02-17T09:01:30Z

# 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  
# Line 85 | Line 108
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
111 > #define PPC_PROFILE_GENERIC_CALLS 1
112 > #define PPC_PROFILE_REGS_USE 0
113   #define KPX_MAX_CPUS 1
114   #if ENABLE_DYNGEN
91 – // Don't bother with predecode cache when using JIT
115   #define PPC_ENABLE_JIT 1
93 – #undef  PPC_DECODE_CACHE
116   #endif
117 < #if defined(__i386__)
117 > #if defined(__i386__) || defined(__x86_64__)
118   #define DYNGEN_ASM_OPTS 1
119   #endif
120   #else
# Line 145 | Line 167 | typedef int64 intptr;
167   #error "Unsupported size of pointer"
168   #endif
169  
170 + // Define if the host processor supports fast unaligned load/stores
171 + #if defined __i386__ || defined __x86_64__
172 + #define UNALIGNED_PROFITABLE 1
173 + #endif
174 +
175 +
176   /**
177   *              Helper functions to byteswap data
178   **/
# Line 254 | Line 282 | static inline int testandset(volatile in
282   }
283   #endif
284  
285 < /* FIXME: SheepShaver occasionnally hangs with those locks */
258 < #if 0 && (defined(__i386__) || defined(__x86_64__))
285 > #if defined(__i386__) || defined(__x86_64__)
286   #define HAVE_TEST_AND_SET 1
287   static inline int testandset(volatile int *p)
288   {
# Line 338 | Line 365 | typedef volatile int spinlock_t;
365  
366   static const spinlock_t SPIN_LOCK_UNLOCKED = 0;
367  
368 < #if HAVE_TEST_AND_SET
368 > #if defined(HAVE_TEST_AND_SET) && defined(HAVE_PTHREADS)
369 > // There is nothing to lock if we are not in an multithreaded environment
370   #define HAVE_SPINLOCKS 1
371   static inline void spin_lock(spinlock_t *lock)
372   {
# Line 376 | Line 404 | typedef struct timespec tm_time_t;
404   typedef struct timeval tm_time_t;
405   #endif
406  
407 + /* Define codes for all the float formats that we know of.
408 + * Though we only handle IEEE format.  */
409 + #define UNKNOWN_FLOAT_FORMAT 0
410 + #define IEEE_FLOAT_FORMAT 1
411 + #define VAX_FLOAT_FORMAT 2
412 + #define IBM_FLOAT_FORMAT 3
413 + #define C4X_FLOAT_FORMAT 4
414 +
415 + // High-precision timing
416 + #if defined(HAVE_PTHREADS) && defined(HAVE_CLOCK_NANOSLEEP)
417 + #define PRECISE_TIMING 1
418 + #define PRECISE_TIMING_POSIX 1
419 + #endif
420 +
421   // Timing functions
422   extern uint64 GetTicks_usec(void);
423   extern void Delay_usec(uint32 usec);
424  
425 < #if defined(HAVE_PTHREADS) || (defined(__linux__) && defined(__powerpc__))
425 > #ifdef HAVE_PTHREADS
426   // Setup pthread attributes
427   extern void Set_pthread_attr(pthread_attr_t *attr, int priority);
428   #endif
# Line 394 | Line 436 | typedef struct rgb_color {
436   } rgb_color;
437  
438   // X11 display fast locks
439 < #ifdef HAVE_SPINLOCKS
398 < #define X11_LOCK_TYPE spinlock_t
399 < #define X11_LOCK_INIT SPIN_LOCK_UNLOCKED
400 < #define XDisplayLock() spin_lock(&x_display_lock)
401 < #define XDisplayUnlock() spin_unlock(&x_display_lock)
402 < #elif defined(HAVE_PTHREADS)
439 > #if defined(HAVE_PTHREADS)
440   #define X11_LOCK_TYPE pthread_mutex_t
441   #define X11_LOCK_INIT PTHREAD_MUTEX_INITIALIZER
442   #define XDisplayLock() pthread_mutex_lock(&x_display_lock);
443   #define XDisplayUnlock() pthread_mutex_unlock(&x_display_lock);
444 + #elif defined(HAVE_SPINLOCKS)
445 + #define X11_LOCK_TYPE spinlock_t
446 + #define X11_LOCK_INIT SPIN_LOCK_UNLOCKED
447 + #define XDisplayLock() spin_lock(&x_display_lock)
448 + #define XDisplayUnlock() spin_unlock(&x_display_lock)
449   #else
450   #define XDisplayLock()
451   #define XDisplayUnlock()
# Line 413 | Line 455 | extern X11_LOCK_TYPE x_display_lock;
455   #endif
456  
457   // Macro for calling MacOS routines
458 < #define CallMacOS(type, tvect) call_macos((uint32)tvect)
459 < #define CallMacOS1(type, tvect, arg1) call_macos1((uint32)tvect, (uint32)arg1)
460 < #define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uint32)tvect, (uint32)arg1, (uint32)arg2)
461 < #define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3)
462 < #define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4)
463 < #define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4, (uint32)arg5)
464 < #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)
465 < #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)
458 > #define CallMacOS(type, tvect) call_macos((uintptr)tvect)
459 > #define CallMacOS1(type, tvect, arg1) call_macos1((uintptr)tvect, (uintptr)arg1)
460 > #define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uintptr)tvect, (uintptr)arg1, (uintptr)arg2)
461 > #define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3)
462 > #define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4)
463 > #define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5)
464 > #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)
465 > #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)
466  
467   #ifdef __cplusplus
468   extern "C" {

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