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authorKevin2014-11-15 09:58:27 +0800
committerKevin2014-11-15 09:58:27 +0800
commit392e8802486cb573b916e746010e141a75f507e6 (patch)
tree50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/arch/x86/boot/compressed/string.c
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init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/boot/compressed/string.c')
-rw-r--r--ANDROID_3.4.5/arch/x86/boot/compressed/string.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/arch/x86/boot/compressed/string.c b/ANDROID_3.4.5/arch/x86/boot/compressed/string.c
new file mode 100644
index 00000000..ffb9c5c9
--- /dev/null
+++ b/ANDROID_3.4.5/arch/x86/boot/compressed/string.c
@@ -0,0 +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"