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 |
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 |
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 |
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 |
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 |
214 |
|
static inline uint64 tswap64(uint64 x) { return bswap_64(x); } |
215 |
|
#endif |
216 |
|
|
217 |
+ |
// spin locks |
218 |
+ |
#ifdef __GNUC__ |
219 |
+ |
|
220 |
+ |
#ifdef __powerpc__ |
221 |
+ |
#define HAVE_TEST_AND_SET 1 |
222 |
+ |
static inline int testandset(int *p) |
223 |
+ |
{ |
224 |
+ |
int ret; |
225 |
+ |
__asm__ __volatile__("0: lwarx %0,0,%1 ;" |
226 |
+ |
" xor. %0,%3,%0;" |
227 |
+ |
" bne 1f;" |
228 |
+ |
" stwcx. %2,0,%1;" |
229 |
+ |
" bne- 0b;" |
230 |
+ |
"1: " |
231 |
+ |
: "=&r" (ret) |
232 |
+ |
: "r" (p), "r" (1), "r" (0) |
233 |
+ |
: "cr0", "memory"); |
234 |
+ |
return ret; |
235 |
+ |
} |
236 |
+ |
#endif |
237 |
+ |
|
238 |
+ |
#ifdef __i386__ |
239 |
+ |
#define HAVE_TEST_AND_SET 1 |
240 |
+ |
static inline int testandset(int *p) |
241 |
+ |
{ |
242 |
+ |
char ret; |
243 |
+ |
long int readval; |
244 |
+ |
|
245 |
+ |
__asm__ __volatile__("lock; cmpxchgl %3, %1; sete %0" |
246 |
+ |
: "=q" (ret), "=m" (*p), "=a" (readval) |
247 |
+ |
: "r" (1), "m" (*p), "a" (0) |
248 |
+ |
: "memory"); |
249 |
+ |
return ret; |
250 |
+ |
} |
251 |
+ |
#endif |
252 |
+ |
|
253 |
+ |
#ifdef __s390__ |
254 |
+ |
#define HAVE_TEST_AND_SET 1 |
255 |
+ |
static inline int testandset(int *p) |
256 |
+ |
{ |
257 |
+ |
int ret; |
258 |
+ |
|
259 |
+ |
__asm__ __volatile__("0: cs %0,%1,0(%2)\n" |
260 |
+ |
" jl 0b" |
261 |
+ |
: "=&d" (ret) |
262 |
+ |
: "r" (1), "a" (p), "0" (*p) |
263 |
+ |
: "cc", "memory" ); |
264 |
+ |
return ret; |
265 |
+ |
} |
266 |
+ |
#endif |
267 |
+ |
|
268 |
+ |
#ifdef __alpha__ |
269 |
+ |
#define HAVE_TEST_AND_SET 1 |
270 |
+ |
static inline int testandset(int *p) |
271 |
+ |
{ |
272 |
+ |
int ret; |
273 |
+ |
unsigned long one; |
274 |
+ |
|
275 |
+ |
__asm__ __volatile__("0: mov 1,%2\n" |
276 |
+ |
" ldl_l %0,%1\n" |
277 |
+ |
" stl_c %2,%1\n" |
278 |
+ |
" beq %2,1f\n" |
279 |
+ |
".subsection 2\n" |
280 |
+ |
"1: br 0b\n" |
281 |
+ |
".previous" |
282 |
+ |
: "=r" (ret), "=m" (*p), "=r" (one) |
283 |
+ |
: "m" (*p)); |
284 |
+ |
return ret; |
285 |
+ |
} |
286 |
+ |
#endif |
287 |
+ |
|
288 |
+ |
#ifdef __sparc__ |
289 |
+ |
#define HAVE_TEST_AND_SET 1 |
290 |
+ |
static inline int testandset(int *p) |
291 |
+ |
{ |
292 |
+ |
int ret; |
293 |
+ |
|
294 |
+ |
__asm__ __volatile__("ldstub [%1], %0" |
295 |
+ |
: "=r" (ret) |
296 |
+ |
: "r" (p) |
297 |
+ |
: "memory"); |
298 |
+ |
|
299 |
+ |
return (ret ? 1 : 0); |
300 |
+ |
} |
301 |
+ |
#endif |
302 |
+ |
|
303 |
+ |
#ifdef __arm__ |
304 |
+ |
#define HAVE_TEST_AND_SET 1 |
305 |
+ |
static inline int testandset(int *p) |
306 |
+ |
{ |
307 |
+ |
register unsigned int ret; |
308 |
+ |
__asm__ __volatile__("swp %0, %1, [%2]" |
309 |
+ |
: "=r"(ret) |
310 |
+ |
: "0"(1), "r"(p)); |
311 |
+ |
|
312 |
+ |
return ret; |
313 |
+ |
} |
314 |
+ |
#endif |
315 |
+ |
|
316 |
+ |
#endif /* __GNUC__ */ |
317 |
+ |
|
318 |
+ |
#if HAVE_TEST_AND_SET |
319 |
+ |
#define HAVE_SPINLOCKS 1 |
320 |
+ |
typedef int spinlock_t; |
321 |
+ |
|
322 |
+ |
static const spinlock_t SPIN_LOCK_UNLOCKED = 0; |
323 |
+ |
|
324 |
+ |
static inline void spin_lock(spinlock_t *lock) |
325 |
+ |
{ |
326 |
+ |
while (testandset(lock)); |
327 |
+ |
} |
328 |
+ |
|
329 |
+ |
static inline void spin_unlock(spinlock_t *lock) |
330 |
+ |
{ |
331 |
+ |
*lock = 0; |
332 |
+ |
} |
333 |
+ |
|
334 |
+ |
static inline int spin_trylock(spinlock_t *lock) |
335 |
+ |
{ |
336 |
+ |
return !testandset(lock); |
337 |
+ |
} |
338 |
+ |
#endif |
339 |
+ |
|
340 |
|
// Time data type for Time Manager emulation |
341 |
|
#ifdef HAVE_CLOCK_GETTIME |
342 |
|
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 |
|
|