From 96f1bb8a412aec3fc16306ef07c5bdb426edb615 Mon Sep 17 00:00:00 2001 From: Josh Boyer Date: Tue, 22 Apr 2008 10:50:27 +1000 Subject: [PATCH] [POWERPC] Add strncmp to arch/ppc Commit 0119536cd314ef95553604208c25bc35581f7f0a added an assembly version of strncmp to PowerPC. However, it changed a common header file between arch/ppc and arch/powerpc without adding strncmp to arch/ppc. This fixes that omission so that arch/ppc links again. Signed-off-by: Josh Boyer Signed-off-by: Paul Mackerras --- arch/ppc/kernel/ppc_ksyms.c | 1 + arch/ppc/lib/string.S | 14 ++++++++++++++ 2 files changed, 15 insertions(+) diff --git a/arch/ppc/kernel/ppc_ksyms.c b/arch/ppc/kernel/ppc_ksyms.c index 2ba659f401b..d9036ef0b65 100644 --- a/arch/ppc/kernel/ppc_ksyms.c +++ b/arch/ppc/kernel/ppc_ksyms.c @@ -88,6 +88,7 @@ EXPORT_SYMBOL(strncpy); EXPORT_SYMBOL(strcat); EXPORT_SYMBOL(strlen); EXPORT_SYMBOL(strcmp); +EXPORT_SYMBOL(strncmp); EXPORT_SYMBOL(csum_partial); EXPORT_SYMBOL(csum_partial_copy_generic); diff --git a/arch/ppc/lib/string.S b/arch/ppc/lib/string.S index 84ed33ab4c2..927253bfc82 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) -- 2.41.0