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root/cebix/SheepShaver/src/Unix/sysdeps.h
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Comparing SheepShaver/src/Unix/sysdeps.h (file contents):
Revision 1.6 by gbeauche, 2003-09-29T08:27:56Z vs.
Revision 1.18 by gbeauche, 2003-12-28T17:56:03Z

# Line 68 | Line 68
68   #define POWERPC_ROM 1
69  
70   #if EMULATED_PPC
71 + // Handle interrupts asynchronously?
72 + #define ASYNC_IRQ 0
73   // Mac ROM is write protected when banked memory is used
74   #if REAL_ADDRESSING || DIRECT_ADDRESSING
75   # define ROM_IS_WRITE_PROTECTED 0
# Line 75 | Line 77
77   #else
78   # define ROM_IS_WRITE_PROTECTED 1
79   #endif
80 + // Configure PowerPC emulator
81 + #define PPC_CHECK_INTERRUPTS (ASYNC_IRQ ? 0 : 1)
82 + #define PPC_DECODE_CACHE 1
83 + #define PPC_FLIGHT_RECORDER 1
84 + #define PPC_PROFILE_COMPILE_TIME 0
85 + #define PPC_PROFILE_GENERIC_CALLS 0
86 + #define KPX_MAX_CPUS 1
87   #else
88   // Mac ROM is write protected
89   #define ROM_IS_WRITE_PROTECTED 1
# Line 125 | Line 134 | typedef int64 intptr;
134   #error "Unsupported size of pointer"
135   #endif
136  
137 < // Helper functions to byteswap data
137 > /**
138 > *              Helper functions to byteswap data
139 > **/
140 >
141 > #if defined(__GNUC__)
142 > #if defined(__x86_64__)
143 > // Linux/AMD64 currently has no asm optimized bswap_32() in <byteswap.h>
144 > #define opt_bswap_32 do_opt_bswap_32
145 > static inline uint32 do_opt_bswap_32(uint32 x)
146 > {
147 >  uint32 v;
148 >  __asm__ __volatile__ ("bswap %0" : "=r" (v) : "0" (x));
149 >  return v;
150 > }
151 > #endif
152 > #endif
153 >
154   #ifdef HAVE_BYTESWAP_H
155   #include <byteswap.h>
156   #endif
157  
158 + #ifdef  opt_bswap_16
159 + #undef  bswap_16
160 + #define bswap_16 opt_bswap_16
161 + #endif
162   #ifndef bswap_16
163   #define bswap_16 generic_bswap_16
164   #endif
# Line 139 | Line 168 | static inline uint16 generic_bswap_16(ui
168    return ((x & 0xff) << 8) | ((x >> 8) & 0xff);
169   }
170  
171 + #ifdef  opt_bswap_32
172 + #undef  bswap_32
173 + #define bswap_32 opt_bswap_32
174 + #endif
175   #ifndef bswap_32
176   #define bswap_32 generic_bswap_32
177   #endif
# Line 151 | Line 184 | static inline uint32 generic_bswap_32(ui
184                    ((x & 0x000000ff) << 24) );
185   }
186  
187 + #ifdef  opt_bswap_64
188 + #undef  bswap_64
189 + #define bswap_64 opt_bswap_64
190 + #endif
191   #ifndef bswap_64
192   #define bswap_64 generic_bswap_64
193   #endif
# Line 282 | Line 319 | static inline int testandset(int *p)
319   #define HAVE_SPINLOCKS 1
320   typedef int spinlock_t;
321  
322 < const spinlock_t SPIN_LOCK_UNLOCKED = 0;
322 > static const spinlock_t SPIN_LOCK_UNLOCKED = 0;
323  
324   static inline void spin_lock(spinlock_t *lock)
325   {
# Line 307 | Line 344 | typedef struct timespec tm_time_t;
344   typedef struct timeval tm_time_t;
345   #endif
346  
347 + // Timing functions
348 + extern uint64 GetTicks_usec(void);
349 + extern void Delay_usec(uint32 usec);
350 +
351   // Setup pthread attributes
352   extern void Set_pthread_attr(pthread_attr_t *attr, int priority);
353  

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