u-boot/arch/mips/Makefile
Daniel Schwierzeck 0315a28909 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>
2016-01-16 21:06:46 +01:00

29 lines
815 B
Makefile

#
# SPDX-License-Identifier: GPL-2.0+
#
head-y := arch/mips/cpu/start.o
libs-y += arch/mips/cpu/
libs-y += arch/mips/lib/
machine-$(CONFIG_SOC_AU1X00) += au1x00
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)