1 files changed, 14 insertions, 0 deletions

diff --git a/arch/ppc/lib/string.S b/arch/ppc/lib/string.S
index 84ed33ab4c2d..927253bfc826 100644
--- a/arch/ppc/lib/string.S
+++ b/arch/ppc/lib/string.S
@@ -121,6 +121,20 @@ _GLOBAL(strcmp)
         beq     1b
         blr
 
+_GLOBAL(strncmp)
+        PPC_LCMPI r5,0
+        beqlr
+        mtctr   r5
+        addi    r5,r3,-1
+        addi    r4,r4,-1
+1:      lbzu    r3,1(r5)
+        cmpwi   1,r3,0
+        lbzu    r0,1(r4)
+        subf.   r3,r0,r3
+        beqlr   1
+        bdnzt   eq,1b
+        blr
+
 _GLOBAL(strlen)
         addi    r4,r3,-1
 1:      lbzu    r0,1(r4)