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authorJim Kukunas <james.t.kukunas@linux.intel.com>2012-05-22 13:54:23 +1000
committerNeilBrown <neilb@suse.de>2012-05-22 13:54:23 +1000
commit2dbf708448c836754d25fe6108c5bfe1f5697c95 (patch)
treee66440e324014436704192e8a8f6549b8637fd03 /lib/raid6/x86.h
parent048a8b8c89dc427dd7a58527c8923224b1e66d83 (diff)
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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.h15
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)
{
}
+#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__ */