diff options
Diffstat (limited to 'arch/arm/lib/Makefile')
| -rw-r--r-- | arch/arm/lib/Makefile | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile index 6d2ba454f25b..8271cde92dec 100644 --- a/arch/arm/lib/Makefile +++ b/arch/arm/lib/Makefile @@ -7,8 +7,8 @@ lib-y := changebit.o csumipv6.o csumpartial.o \ csumpartialcopy.o csumpartialcopyuser.o clearbit.o \ - delay.o delay-loop.o findbit.o memchr.o memcpy.o \ - memmove.o memset.o setbit.o \ + delay.o delay-loop.o findbit.o memchr.o \ + setbit.o \ strchr.o strrchr.o \ testchangebit.o testclearbit.o testsetbit.o \ ashldi3.o ashrdi3.o lshrdi3.o muldi3.o \ @@ -25,6 +25,16 @@ else lib-y += backtrace.o endif +# Choose optimised implementations for Raspberry Pi +ifeq ($(CONFIG_BCM2835_FAST_MEMCPY),y) + CFLAGS_uaccess_with_memcpy.o += -DCOPY_FROM_USER_THRESHOLD=1600 + CFLAGS_uaccess_with_memcpy.o += -DCOPY_TO_USER_THRESHOLD=672 + obj-$(CONFIG_MODULES) += exports_rpi.o + lib-y += memcpy_rpi.o memmove_rpi.o memset_rpi.o memcmp_rpi.o +else + lib-y += memcpy.o memmove.o memset.o +endif + # using lib_ here won't override already available weak symbols obj-$(CONFIG_UACCESS_WITH_MEMCPY) += uaccess_with_memcpy.o |