We need to fix some endian issues in our memcpy code. For now just enable the generic memcpy routine for little endian builds.
Signed-off-by: Anton Blanchard <an...@samba.org> --- arch/powerpc/include/asm/string.h | 4 ++++ arch/powerpc/kernel/ppc_ksyms.c | 2 ++ arch/powerpc/lib/Makefile | 9 ++++++--- 3 files changed, 12 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/include/asm/string.h b/arch/powerpc/include/asm/string.h index e40010a..0dffad6 100644 --- a/arch/powerpc/include/asm/string.h +++ b/arch/powerpc/include/asm/string.h @@ -10,7 +10,9 @@ #define __HAVE_ARCH_STRNCMP #define __HAVE_ARCH_STRCAT #define __HAVE_ARCH_MEMSET +#ifdef __BIG_ENDIAN__ #define __HAVE_ARCH_MEMCPY +#endif #define __HAVE_ARCH_MEMMOVE #define __HAVE_ARCH_MEMCMP #define __HAVE_ARCH_MEMCHR @@ -22,7 +24,9 @@ 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); +#ifdef __BIG_ENDIAN__ extern void * memcpy(void *,const void *,__kernel_size_t); +#endif extern void * memmove(void *,const void *,__kernel_size_t); extern int memcmp(const void *,const void *,__kernel_size_t); extern void * memchr(const void *,int,__kernel_size_t); diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c index 0c2dd60..526ad5c 100644 --- a/arch/powerpc/kernel/ppc_ksyms.c +++ b/arch/powerpc/kernel/ppc_ksyms.c @@ -147,7 +147,9 @@ EXPORT_SYMBOL(__ucmpdi2); #endif long long __bswapdi2(long long); EXPORT_SYMBOL(__bswapdi2); +#ifdef __BIG_ENDIAN__ EXPORT_SYMBOL(memcpy); +#endif EXPORT_SYMBOL(memset); EXPORT_SYMBOL(memmove); EXPORT_SYMBOL(memcmp); diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile index 33ab261..5310132 100644 --- a/arch/powerpc/lib/Makefile +++ b/arch/powerpc/lib/Makefile @@ -15,15 +15,18 @@ obj-$(CONFIG_PPC32) += div64.o copy_32.o obj-$(CONFIG_HAS_IOMEM) += devres.o obj-$(CONFIG_PPC64) += copypage_64.o copyuser_64.o \ - memcpy_64.o usercopy_64.o mem_64.o string.o \ + usercopy_64.o mem_64.o string.o \ hweight_64.o \ - copyuser_power7.o string_64.o copypage_power7.o \ - memcpy_power7.o + copyuser_power7.o string_64.o copypage_power7.o ifeq ($(CONFIG_GENERIC_CSUM),) obj-y += checksum_$(CONFIG_WORD_SIZE).o obj-$(CONFIG_PPC64) += checksum_wrappers_64.o endif +ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),) +obj-$(CONFIG_PPC64) += memcpy_power7.o memcpy_64.o +endif + obj-$(CONFIG_PPC_EMULATE_SSTEP) += sstep.o ldstfp.o ifeq ($(CONFIG_PPC64),y) -- 1.8.1.2 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev