ViewVC Help
View File | Revision Log | Show Annotations | Revision Graph | Root Listing
root/cebix/SheepShaver/src/Unix/sysdeps.h
(Generate patch)

Comparing SheepShaver/src/Unix/sysdeps.h (file contents):
Revision 1.32 by gbeauche, 2004-06-02T16:11:49Z vs.
Revision 1.53 by gbeauche, 2006-05-07T16:54:58Z

# 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 87 | Line 110
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
# Line 140 | Line 166 | typedef int64 intptr;
166   #error "Unsupported size of pointer"
167   #endif
168  
169 + // Define if the host processor supports fast unaligned load/stores
170 + #if defined __i386__ || defined __x86_64__
171 + #define UNALIGNED_PROFITABLE 1
172 + #endif
173 +
174 +
175   /**
176   *              Helper functions to byteswap data
177   **/
# Line 249 | Line 281 | static inline int testandset(volatile in
281   }
282   #endif
283  
284 < /* FIXME: SheepShaver occasionnally hangs with those locks */
253 < #if 0 && (defined(__i386__) || defined(__x86_64__))
284 > #if defined(__i386__) || defined(__x86_64__)
285   #define HAVE_TEST_AND_SET 1
286   static inline int testandset(volatile int *p)
287   {
# Line 333 | Line 364 | typedef volatile int spinlock_t;
364  
365   static const spinlock_t SPIN_LOCK_UNLOCKED = 0;
366  
367 < #if HAVE_TEST_AND_SET
367 > #if defined(HAVE_TEST_AND_SET) && defined(HAVE_PTHREADS)
368 > // There is nothing to lock if we are not in an multithreaded environment
369   #define HAVE_SPINLOCKS 1
370   static inline void spin_lock(spinlock_t *lock)
371   {
# Line 371 | Line 403 | typedef struct timespec tm_time_t;
403   typedef struct timeval tm_time_t;
404   #endif
405  
406 + /* Define codes for all the float formats that we know of.
407 + * Though we only handle IEEE format.  */
408 + #define UNKNOWN_FLOAT_FORMAT 0
409 + #define IEEE_FLOAT_FORMAT 1
410 + #define VAX_FLOAT_FORMAT 2
411 + #define IBM_FLOAT_FORMAT 3
412 + #define C4X_FLOAT_FORMAT 4
413 +
414 + // High-precision timing
415 + #if defined(HAVE_PTHREADS) && defined(HAVE_CLOCK_NANOSLEEP)
416 + #define PRECISE_TIMING 1
417 + #define PRECISE_TIMING_POSIX 1
418 + #endif
419 +
420   // Timing functions
421   extern uint64 GetTicks_usec(void);
422   extern void Delay_usec(uint32 usec);
423  
424 < #if defined(HAVE_PTHREADS) || (defined(__linux__) && defined(__powerpc__))
424 > #ifdef HAVE_PTHREADS
425   // Setup pthread attributes
426   extern void Set_pthread_attr(pthread_attr_t *attr, int priority);
427   #endif
# Line 389 | Line 435 | typedef struct rgb_color {
435   } rgb_color;
436  
437   // X11 display fast locks
438 < #ifdef HAVE_SPINLOCKS
393 < #define X11_LOCK_TYPE spinlock_t
394 < #define X11_LOCK_INIT SPIN_LOCK_UNLOCKED
395 < #define XDisplayLock() spin_lock(&x_display_lock)
396 < #define XDisplayUnlock() spin_unlock(&x_display_lock)
397 < #elif defined(HAVE_PTHREADS)
438 > #if defined(HAVE_PTHREADS)
439   #define X11_LOCK_TYPE pthread_mutex_t
440   #define X11_LOCK_INIT PTHREAD_MUTEX_INITIALIZER
441   #define XDisplayLock() pthread_mutex_lock(&x_display_lock);
442   #define XDisplayUnlock() pthread_mutex_unlock(&x_display_lock);
443 + #elif defined(HAVE_SPINLOCKS)
444 + #define X11_LOCK_TYPE spinlock_t
445 + #define X11_LOCK_INIT SPIN_LOCK_UNLOCKED
446 + #define XDisplayLock() spin_lock(&x_display_lock)
447 + #define XDisplayUnlock() spin_unlock(&x_display_lock)
448   #else
449   #define XDisplayLock()
450   #define XDisplayUnlock()
# Line 408 | Line 454 | extern X11_LOCK_TYPE x_display_lock;
454   #endif
455  
456   // Macro for calling MacOS routines
457 < #define CallMacOS(type, tvect) call_macos((uint32)tvect)
458 < #define CallMacOS1(type, tvect, arg1) call_macos1((uint32)tvect, (uint32)arg1)
459 < #define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uint32)tvect, (uint32)arg1, (uint32)arg2)
460 < #define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3)
461 < #define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4)
462 < #define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uint32)tvect, (uint32)arg1, (uint32)arg2, (uint32)arg3, (uint32)arg4, (uint32)arg5)
463 < #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)
464 < #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)
457 > #define CallMacOS(type, tvect) call_macos((uintptr)tvect)
458 > #define CallMacOS1(type, tvect, arg1) call_macos1((uintptr)tvect, (uintptr)arg1)
459 > #define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uintptr)tvect, (uintptr)arg1, (uintptr)arg2)
460 > #define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3)
461 > #define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4)
462 > #define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5)
463 > #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)
464 > #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)
465  
466   #ifdef __cplusplus
467   extern "C" {

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines