[POWERPC] Move bootwrapper's strchr() and strncmp() from .h to string.S

[linux-2.6-omap-h63xx.git] / arch / powerpc / boot / string.S

diff --git a/arch/powerpc/boot/string.S b/arch/powerpc/boot/string.S
index ac3d43b6a324c97549d8c181e2896ee2f41d377f..2627558bcb7132cc30a7944752068264beeb0cbb 100644 (file)
--- a/arch/powerpc/boot/string.S
+++ b/arch/powerpc/boot/string.S
@@ -49,6 +49,17 @@ strcat:
        bne     1b
        blr
 
+       .globl  strchr
+strchr:
+       addi    r3,r3,-1
+1:     lbzu    r0,1(r3)
+       cmpw    0,r0,r4
+       beqlr
+       cmpwi   0,r0,0
+       bne     1b
+       li      r3,0
+       blr
+
        .globl  strcmp
 strcmp:
        addi    r5,r3,-1
@@ -61,6 +72,19 @@ strcmp:
        beq     1b
        blr
 
+       .globl  strncmp
+strncmp:
+       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
+
        .globl  strlen
 strlen:
        addi    r4,r3,-1