1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/boot/compressed/string.c b/arch/x86/boot/compressed/string.c
new file mode 100644
index 00000000..ffb9c5c9
--- /dev/null
+++ b/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"