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Fix atomic support for PS2
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161a316dfa
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273d9e4640
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@ -40,6 +40,10 @@
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#include <xmmintrin.h>
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#endif
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#if defined(PS2)
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#include <kernel.h>
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#endif
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#if defined(__WATCOMC__) && defined(__386__)
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SDL_COMPILE_TIME_ASSERT(locksize, 4==sizeof(SDL_SpinLock));
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extern __inline int _SDL_xchg_watcom(volatile int *a, int v);
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@ -131,7 +135,19 @@ SDL_AtomicTryLock(SDL_SpinLock *lock)
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#elif defined(__SOLARIS__) && !defined(_LP64)
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/* Used for Solaris with non-gcc compilers. */
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return (SDL_bool) ((int) atomic_cas_32((volatile uint32_t*)lock, 0, 1) == 0);
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#elif defined(PS2)
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uint32_t oldintr;
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SDL_bool res = SDL_FALSE;
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// disable interuption
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oldintr = DIntr();
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if (*lock == 0) {
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*lock = 1;
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res = SDL_TRUE;
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}
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// enable interuption
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if(oldintr) { EIntr(); }
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return res;
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#else
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#error Please implement for your platform.
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return SDL_FALSE;
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