diff options
| author | Jim Kukunas <james.t.kukunas@linux.intel.com> | 2012-05-22 13:54:23 +1000 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2012-05-22 13:54:23 +1000 |
| commit | 2dbf708448c836754d25fe6108c5bfe1f5697c95 (patch) | |
| tree | e66440e324014436704192e8a8f6549b8637fd03 /lib/raid6/x86.h | |
| parent | 048a8b8c89dc427dd7a58527c8923224b1e66d83 (diff) | |
lib/raid6: update test program for recovery functions
Test each combination of recovery and syndrome generation
functions.
Signed-off-by: Jim Kukunas <james.t.kukunas@linux.intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'lib/raid6/x86.h')
| -rw-r--r-- | lib/raid6/x86.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/lib/raid6/x86.h b/lib/raid6/x86.h index cb2a8c91c88..d55d63232c5 100644 --- a/lib/raid6/x86.h +++ b/lib/raid6/x86.h @@ -35,24 +35,29 @@ static inline void kernel_fpu_end(void) { } +#define __aligned(x) __attribute__((aligned(x))) + #define X86_FEATURE_MMX (0*32+23) /* Multimedia Extensions */ #define X86_FEATURE_FXSR (0*32+24) /* FXSAVE and FXRSTOR instructions * (fast save and restore) */ #define X86_FEATURE_XMM (0*32+25) /* Streaming SIMD Extensions */ #define X86_FEATURE_XMM2 (0*32+26) /* Streaming SIMD Extensions-2 */ +#define X86_FEATURE_XMM3 (4*32+ 0) /* "pni" SSE-3 */ +#define X86_FEATURE_SSSE3 (4*32+ 9) /* Supplemental SSE-3 */ +#define X86_FEATURE_AVX (4*32+28) /* Advanced Vector Extensions */ #define X86_FEATURE_MMXEXT (1*32+22) /* AMD MMX extensions */ /* Should work well enough on modern CPUs for testing */ static inline int boot_cpu_has(int flag) { - u32 eax = (flag >> 5) ? 0x80000001 : 1; - u32 edx; + u32 eax = (flag & 0x20) ? 0x80000001 : 1; + u32 ecx, edx; asm volatile("cpuid" - : "+a" (eax), "=d" (edx) - : : "ecx", "ebx"); + : "+a" (eax), "=d" (edx), "=c" (ecx) + : : "ebx"); - return (edx >> (flag & 31)) & 1; + return ((flag & 0x80 ? ecx : edx) >> (flag & 31)) & 1; } #endif /* ndef __KERNEL__ */ |