diff options
author | Jim Kukunas <james.t.kukunas@linux.intel.com> | 2012-05-21 23:54:23 -0400 |
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committer | NeilBrown <neilb@suse.de> | 2012-05-21 23:54:23 -0400 |
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 cb2a8c91c886..d55d63232c55 100644 --- a/lib/raid6/x86.h +++ b/lib/raid6/x86.h | |||
@@ -35,24 +35,29 @@ static inline void kernel_fpu_end(void) | |||
35 | { | 35 | { |
36 | } | 36 | } |
37 | 37 | ||
38 | #define __aligned(x) __attribute__((aligned(x))) | ||
39 | |||
38 | #define X86_FEATURE_MMX (0*32+23) /* Multimedia Extensions */ | 40 | #define X86_FEATURE_MMX (0*32+23) /* Multimedia Extensions */ |
39 | #define X86_FEATURE_FXSR (0*32+24) /* FXSAVE and FXRSTOR instructions | 41 | #define X86_FEATURE_FXSR (0*32+24) /* FXSAVE and FXRSTOR instructions |
40 | * (fast save and restore) */ | 42 | * (fast save and restore) */ |
41 | #define X86_FEATURE_XMM (0*32+25) /* Streaming SIMD Extensions */ | 43 | #define X86_FEATURE_XMM (0*32+25) /* Streaming SIMD Extensions */ |
42 | #define X86_FEATURE_XMM2 (0*32+26) /* Streaming SIMD Extensions-2 */ | 44 | #define X86_FEATURE_XMM2 (0*32+26) /* Streaming SIMD Extensions-2 */ |
45 | #define X86_FEATURE_XMM3 (4*32+ 0) /* "pni" SSE-3 */ | ||
46 | #define X86_FEATURE_SSSE3 (4*32+ 9) /* Supplemental SSE-3 */ | ||
47 | #define X86_FEATURE_AVX (4*32+28) /* Advanced Vector Extensions */ | ||
43 | #define X86_FEATURE_MMXEXT (1*32+22) /* AMD MMX extensions */ | 48 | #define X86_FEATURE_MMXEXT (1*32+22) /* AMD MMX extensions */ |
44 | 49 | ||
45 | /* Should work well enough on modern CPUs for testing */ | 50 | /* Should work well enough on modern CPUs for testing */ |
46 | static inline int boot_cpu_has(int flag) | 51 | static inline int boot_cpu_has(int flag) |
47 | { | 52 | { |
48 | u32 eax = (flag >> 5) ? 0x80000001 : 1; | 53 | u32 eax = (flag & 0x20) ? 0x80000001 : 1; |
49 | u32 edx; | 54 | u32 ecx, edx; |
50 | 55 | ||
51 | asm volatile("cpuid" | 56 | asm volatile("cpuid" |
52 | : "+a" (eax), "=d" (edx) | 57 | : "+a" (eax), "=d" (edx), "=c" (ecx) |
53 | : : "ecx", "ebx"); | 58 | : : "ebx"); |
54 | 59 | ||
55 | return (edx >> (flag & 31)) & 1; | 60 | return ((flag & 0x80 ? ecx : edx) >> (flag & 31)) & 1; |
56 | } | 61 | } |
57 | 62 | ||
58 | #endif /* ndef __KERNEL__ */ | 63 | #endif /* ndef __KERNEL__ */ |