From 2dbf708448c836754d25fe6108c5bfe1f5697c95 Mon Sep 17 00:00:00 2001 From: Jim Kukunas Date: Tue, 22 May 2012 13:54:23 +1000 Subject: lib/raid6: update test program for recovery functions Test each combination of recovery and syndrome generation functions. Signed-off-by: Jim Kukunas Signed-off-by: NeilBrown --- lib/raid6/x86.h | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) (limited to 'lib/raid6/x86.h') diff --git a/lib/raid6/x86.h b/lib/raid6/x86.h index cb2a8c91c886..d55d63232c55 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__ */ -- cgit v1.2.3