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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-13 15:00:22 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-13 15:00:22 +0000 |
| commit | 4de3a8e101150feaefa1139611a50ff37467f33e (patch) | |
| tree | daada742542518b02d7db7c5d32e715eaa5f166d /arch/x86/boot/compressed/string.c | |
| parent | 294064f58953f9964e5945424b09c51800330a83 (diff) | |
| parent | 099469502f62fbe0d7e4f0b83a2f22538367f734 (diff) | |
Merge branch 'master' into fixes
Diffstat (limited to 'arch/x86/boot/compressed/string.c')
| -rw-r--r-- | arch/x86/boot/compressed/string.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/boot/compressed/string.c b/arch/x86/boot/compressed/string.c index 19b3e693cd7..ffb9c5c9d74 100644 --- a/arch/x86/boot/compressed/string.c +++ b/arch/x86/boot/compressed/string.c @@ -1,2 +1,11 @@ #include "misc.h" + +int memcmp(const void *s1, const void *s2, size_t len) +{ + u8 diff; + asm("repe; cmpsb; setnz %0" + : "=qm" (diff), "+D" (s1), "+S" (s2), "+c" (len)); + return diff; +} + #include "../string.c" |