Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx> --- arch/arm/Makefile | 21 ++++++++++++++++----- 1 files changed, 16 insertions(+), 5 deletions(-) diff --git a/arch/arm/Makefile b/arch/arm/Makefile index f6605ab..87783cb 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -13,6 +13,22 @@ AS += -EL LD += -EL endif +comma = , + +# This selects which instruction set is used. +# Note that GCC does not numerically define an architecture version +# macro, but instead defines a whole series of macros which makes +# testing for a specific architecture or later rather impossible. +arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a) +arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t) +arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t + +# This selects how we optimise for the processor. +tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi +tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi + +CPPFLAGS += $(arch-y) $(tune-y) + # Machine directory name. This list is sorted alphanumerically # by CONFIG_* macro name. machine-$(CONFIG_ARCH_AT91) := at91 @@ -81,11 +97,6 @@ archprepare: maketools PHONY += maketools -# Add architecture specific flags -ifeq ($(CONFIG_CPU_V7),y) -CPPFLAGS += -march=armv7a -endif - ifneq ($(board-y),) BOARD := board/$(board-y)/ else -- 1.6.5 _______________________________________________ u-boot-v2 mailing list u-boot-v2@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/u-boot-v2
