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root/cebix/SheepShaver/src/Unix/sysdeps.h
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Comparing SheepShaver/src/Unix/sysdeps.h (file contents):
Revision 1.44 by gbeauche, 2005-06-25T11:39:47Z vs.
Revision 1.53 by gbeauche, 2006-05-07T16:54:58Z

# Line 83 | Line 83
83   #if !defined(EMULATED_PPC)
84   #define REAL_ADDRESSING 1
85   #include "ppc_asm.tmpl"
86 #elif defined(__CYGWIN__)
87 #define DIRECT_ADDRESSING 1
88 #define DIRECT_ADDRESSING_HACK 1
89 /*
90  The following address translation functions were empirically
91  determined on a Windows XP system running Cygwin 1.5.12-1 so
92  that RAM size can be maximized (up to 960 MB) and avoiding
93  the use of a TLB. This also takes into account reduced address
94  space available when the Cygwin runtime is used.
95 */
96 #define DIRECT_ADDRESSING_VIRT2PHYS(ADDR) \
97        ((ADDR) + (((ADDR)  < 0x41000000) ? 0x39000000 : 0xcf800000))
98 #define DIRECT_ADDRESSING_PHYS2VIRT(ADDR) \
99        ((ADDR) - (((ADDR) >= 0x39000000) ? 0x39000000 : 0xcf800000))
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
# Line 122 | Line 111
111   #define PPC_PROFILE_GENERIC_CALLS 0
112   #define KPX_MAX_CPUS 1
113   #if ENABLE_DYNGEN
125 // Don't bother with predecode cache when using JIT
114   #define PPC_ENABLE_JIT 1
127 #undef  PPC_DECODE_CACHE
115   #endif
116   #if defined(__i386__)
117   #define DYNGEN_ASM_OPTS 1
# Line 179 | 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 288 | Line 281 | static inline int testandset(volatile in
281   }
282   #endif
283  
284 < /* FIXME: SheepShaver occasionnally hangs with those locks */
292 < #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 420 | Line 412 | typedef struct timeval tm_time_t;
412   #define C4X_FLOAT_FORMAT 4
413  
414   // High-precision timing
415 < #if defined(HAVE_PTHREADS) && defined(HAVE_CLOCK_NANOSLEEP) && 0
415 > #if defined(HAVE_PTHREADS) && defined(HAVE_CLOCK_NANOSLEEP)
416   #define PRECISE_TIMING 1
417   #define PRECISE_TIMING_POSIX 1
418   #endif

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