diff options
Diffstat (limited to 'arch/arc/Makefile')
| -rw-r--r-- | arch/arc/Makefile | 64 |
1 files changed, 34 insertions, 30 deletions
diff --git a/arch/arc/Makefile b/arch/arc/Makefile index 20e9ab6cc521..0c5e6e6314f2 100644 --- a/arch/arc/Makefile +++ b/arch/arc/Makefile @@ -6,20 +6,36 @@ KBUILD_DEFCONFIG := haps_hs_smp_defconfig ifeq ($(CROSS_COMPILE),) -CROSS_COMPILE := $(call cc-cross-prefix, arc-linux- arceb-linux-) +CROSS_COMPILE := $(call cc-cross-prefix, arc-linux- arceb-linux- arc-linux-gnu-) endif cflags-y += -fno-common -pipe -fno-builtin -mmedium-calls -D__linux__ -cflags-$(CONFIG_ISA_ARCOMPACT) += -mA7 -cflags-$(CONFIG_ISA_ARCV2) += -mcpu=hs38 + +tune-mcpu-def-$(CONFIG_ISA_ARCOMPACT) := -mcpu=arc700 +tune-mcpu-def-$(CONFIG_ISA_ARCV2) := -mcpu=hs38 + +ifeq ($(CONFIG_ARC_TUNE_MCPU),) +cflags-y += $(tune-mcpu-def-y) +else +tune-mcpu := $(CONFIG_ARC_TUNE_MCPU) +ifneq ($(call cc-option,$(tune-mcpu)),) +cflags-y += $(tune-mcpu) +else +# The flag provided by 'CONFIG_ARC_TUNE_MCPU' option isn't known by this compiler +# (probably the compiler is too old). Use ISA default mcpu flag instead as a safe option. +$(warning ** WARNING ** CONFIG_ARC_TUNE_MCPU flag '$(tune-mcpu)' is unknown, fallback to '$(tune-mcpu-def-y)') +cflags-y += $(tune-mcpu-def-y) +endif +endif ifdef CONFIG_ARC_CURR_IN_REG -# For a global register defintion, make sure it gets passed to every file +# For a global register definition, make sure it gets passed to every file # We had a customer reported bug where some code built in kernel was NOT using -# any kernel headers, and missing the r25 global register +# any kernel headers, and missing the global register # Can't do unconditionally because of recursive include issues # due to <linux/thread_info.h> LINUXINCLUDE += -include $(srctree)/arch/arc/include/asm/current.h +cflags-y += -ffixed-gp endif cflags-y += -fsection-anchors @@ -51,7 +67,7 @@ cflags-$(CONFIG_ARC_DW2_UNWIND) += -fasynchronous-unwind-tables $(cfi) # small data is default for elf32 tool-chain. If not usable, disable it # This also allows repurposing GP as scratch reg to gcc reg allocator disable_small_data := y -cflags-$(disable_small_data) += -mno-sdata -fcall-used-gp +cflags-$(disable_small_data) += -mno-sdata cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mbig-endian ldflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB @@ -66,40 +82,28 @@ KBUILD_CFLAGS += $(cflags-y) KBUILD_AFLAGS += $(KBUILD_CFLAGS) KBUILD_LDFLAGS += $(ldflags-y) -head-y := arch/arc/kernel/head.o - -# See arch/arc/Kbuild for content of core part of the kernel -core-y += arch/arc/ - -# w/o this dtb won't embed into kernel binary -core-y += arch/arc/boot/dts/ - core-y += arch/arc/plat-sim/ core-$(CONFIG_ARC_PLAT_TB10X) += arch/arc/plat-tb10x/ core-$(CONFIG_ARC_PLAT_AXS10X) += arch/arc/plat-axs10x/ -core-$(CONFIG_ARC_PLAT_EZNPS) += arch/arc/plat-eznps/ core-$(CONFIG_ARC_SOC_HSDK) += arch/arc/plat-hsdk/ -ifdef CONFIG_ARC_PLAT_EZNPS -KBUILD_CPPFLAGS += -I$(srctree)/arch/arc/plat-eznps/include -endif - -drivers-$(CONFIG_OPROFILE) += arch/arc/oprofile/ - libs-y += arch/arc/lib/ $(LIBGCC) boot := arch/arc/boot -#default target for make without any arguments. -KBUILD_IMAGE := $(boot)/bootpImage - -all: bootpImage -bootpImage: vmlinux - -boot_targets += uImage uImage.bin uImage.gz +boot_targets := uImage.bin uImage.gz uImage.lzma +PHONY += $(boot_targets) $(boot_targets): vmlinux $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ -archclean: - $(Q)$(MAKE) $(clean)=$(boot) +uimage-default-y := uImage.bin +uimage-default-$(CONFIG_KERNEL_GZIP) := uImage.gz +uimage-default-$(CONFIG_KERNEL_LZMA) := uImage.lzma + +PHONY += uImage +uImage: $(uimage-default-y) + @ln -sf $< $(boot)/uImage + @$(kecho) ' Image $(boot)/uImage is ready' + +CLEAN_FILES += $(boot)/uImage |