diff options
| author | David Gibson <david@gibson.dropbear.id.au> | 2007-08-28 14:52:57 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-09-14 01:33:19 +1000 |
| commit | 0ae0b54565a8dcc2b98de694b998e765de15b713 (patch) | |
| tree | 21bbfa5618d55460e2e90ef0e876b1c6c03b42f7 /arch/powerpc/boot/string.S | |
| parent | 768cc2d3b2768ca34f254e8190f1f9e297b09ad4 (diff) | |
[POWERPC] Move bootwrapper's strchr() and strncmp() from .h to string.S
Currently the bootwrapper has implementations of strchr() and
strncmp(), but they're inlines in flatdevtree_env.h, rather than in
string.S with all the rest of the string functions. This moves
them to string.S.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/boot/string.S')
| -rw-r--r-- | arch/powerpc/boot/string.S | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/powerpc/boot/string.S b/arch/powerpc/boot/string.S index ac3d43b6a32..2627558bcb7 100644 --- 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 |