One more for you. This is preparation for the libfdt merge.
Add memchr() to the bootwrapper
This patch adds a memchr() implementation to the bootwrapper. libfdt
will need this.
Signed-off-by: David Gibson <[EMAIL PROTECTED]>
Index: working-2.6/arch/powerpc/boot/string.S
===================================================================
--- working-2.6.orig/arch/powerpc/boot/string.S 2007-09-27 18:36:21.000000000
+1000
+++ working-2.6/arch/powerpc/boot/string.S 2007-09-27 18:40:24.000000000
+1000
@@ -219,6 +219,19 @@ backwards_memcpy:
mtctr r7
b 1b
+ .globl memchr
+memchr:
+ cmpwi 0,r5,0
+ blelr
+ mtctr r5
+ addi r3,r3,-1
+1: lbzu r0,1(r3)
+ cmpw r0,r4
+ beqlr
+ bdnz 1b
+ li r3,0
+ blr
+
.globl memcmp
memcmp:
cmpwi 0,r5,0
Index: working-2.6/arch/powerpc/boot/string.h
===================================================================
--- working-2.6.orig/arch/powerpc/boot/string.h 2007-09-27 18:40:27.000000000
+1000
+++ working-2.6/arch/powerpc/boot/string.h 2007-09-27 18:40:58.000000000
+1000
@@ -14,6 +14,7 @@ extern size_t strnlen(const char *s, siz
extern void *memset(void *s, int c, size_t n);
extern void *memmove(void *dest, const void *src, unsigned long n);
extern void *memcpy(void *dest, const void *src, unsigned long n);
+extern void *memchr(const void *s, int c, size_t n);
extern int memcmp(const void *s1, const void *s2, size_t n);
#endif /* _PPC_BOOT_STRING_H_ */
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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