strncmp is defined in assembly for bootup, but it is not defined in the
normal running kernel. This patch takes the strncmp code from the bootup
and copies it to the kernel proper.
Signed-off-by: Steven Rostedt <[EMAIL PROTECTED]>
---
arch/powerpc/kernel/ppc_ksyms.c | 1 +
arch/powerpc/lib/string.S | 12 ++++++++++++
include/asm-powerpc/string.h | 2 ++
3 files changed, 15 insertions(+)
Index: linux-sched-devel.git/arch/powerpc/kernel/ppc_ksyms.c
===================================================================
--- linux-sched-devel.git.orig/arch/powerpc/kernel/ppc_ksyms.c 2008-02-27
14:01:38.000000000 -0800
+++ linux-sched-devel.git/arch/powerpc/kernel/ppc_ksyms.c 2008-02-29
07:24:22.000000000 -0800
@@ -78,6 +78,7 @@ 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);
Index: linux-sched-devel.git/arch/powerpc/lib/string.S
===================================================================
--- linux-sched-devel.git.orig/arch/powerpc/lib/string.S 2008-02-27
14:01:38.000000000 -0800
+++ linux-sched-devel.git/arch/powerpc/lib/string.S 2008-02-29
07:24:22.000000000 -0800
@@ -75,6 +75,18 @@ _GLOBAL(strcmp)
beq 1b
blr
+_GLOBAL(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
+
_GLOBAL(strlen)
addi r4,r3,-1
1: lbzu r0,1(r4)
Index: linux-sched-devel.git/include/asm-powerpc/string.h
===================================================================
--- linux-sched-devel.git.orig/include/asm-powerpc/string.h 2008-02-27
14:01:58.000000000 -0800
+++ linux-sched-devel.git/include/asm-powerpc/string.h 2008-02-29
07:24:22.000000000 -0800
@@ -7,6 +7,7 @@
#define __HAVE_ARCH_STRNCPY
#define __HAVE_ARCH_STRLEN
#define __HAVE_ARCH_STRCMP
+#define __HAVE_ARCH_STRNCMP
#define __HAVE_ARCH_STRCAT
#define __HAVE_ARCH_MEMSET
#define __HAVE_ARCH_MEMCPY
@@ -18,6 +19,7 @@ extern char * strcpy(char *,const char *
extern char * strncpy(char *,const char *, __kernel_size_t);
extern __kernel_size_t strlen(const char *);
extern int strcmp(const char *,const char *);
+extern int strncmp(const char *,const char *,__kernel_size_t);
extern char * strcat(char *, const char *);
extern void * memset(void *,int,__kernel_size_t);
extern void * memcpy(void *,const void *,__kernel_size_t);
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