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| author | Daniel Schwierzeck <daniel.schwierzeck@gmail.com> | 2015-12-26 19:55:37 +0100 |
|---|---|---|
| committer | Daniel Schwierzeck <daniel.schwierzeck@gmail.com> | 2016-01-16 21:06:46 +0100 |
| commit | 0315a28909aa9781706bcd5743f2665220b6b099 (patch) | |
| tree | c87b0a889f15f974f0082f9b02b9c7788c6ed265 /arch/mips/Makefile | |
| parent | 76ada5f8b7bb4b295ced087bd3c34eb8161a1a75 (diff) | |
| download | talos-obmc-uboot-0315a28909aa9781706bcd5743f2665220b6b099.tar.gz talos-obmc-uboot-0315a28909aa9781706bcd5743f2665220b6b099.zip | |
MIPS: Kconfig: optimize gcc -march and -mtune setup
Move setup of -march to arch/mips/Makefile and follow the design on ARM.
Also add a possibility to chose specific CPU tune options.
Signed-off-by: Wills Wang <wills.wang@live.com>
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Diffstat (limited to 'arch/mips/Makefile')
| -rw-r--r-- | arch/mips/Makefile | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 6a9f798d56..90cd5906c6 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -13,3 +13,16 @@ machdirs := $(patsubst %,arch/mips/mach-%/,$(machine-y)) libs-y += $(machdirs) PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs)) + +# Optimize for MIPS architectures +arch-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,-mips32 +arch-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,-mips32r2 +arch-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,-mips64 +arch-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,-mips64r2 + +# Allow extra optimization for specific CPUs/SoCs +tune-$(CONFIG_MIPS_TUNE_4KC) += -mtune=4kc +tune-$(CONFIG_MIPS_TUNE_14KC) += -mtune=14kc +tune-$(CONFIG_MIPS_TUNE_24KC) += -mtune=24kc + +PLATFORM_CPPFLAGS += $(arch-y) $(tune-y) |
