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glide2x, h3, linhwc.c: update P6FENCE macros from glide3

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sezero
2018-08-19 16:36:33 +03:00
parent 2b2d13f32e
commit 415127f697
1 changed files with 9 additions and 1 deletions
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8
glide2x/h3/minihwc/linhwc.c
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@@ -72,7 +72,15 @@ hwcCheckMemSize(hwcBoardInfo *bInfo, FxU32 xres, FxU32 yres, FxU32 nColBuffers,
#endif
static FxU32 __attribute_used fenceVar;
#if defined(__GNUC__) && defined(__ia64__)
# define P6FENCE asm volatile ("mf.a" ::: "memory");
#elif defined(__GNUC__) && defined(__alpha__)
# define P6FENCE asm volatile("mb" ::: "memory");
#elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
# define P6FENCE asm("xchg %%eax, %0" : : "m" (fenceVar) : "eax");
#else
# error "No P6FENCE asm for this architecture"
#endif
#define MAXFIFOSIZE 0x40000
#define FIFOPAD 0x0000