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# SPDX-License-Identifier: GPL-2.0-only
LDFLAGS_vmlinux := --no-undefined -X
OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment -S
ifdef CONFIG_FUNCTION_TRACER
arch-y += -malways-save-lp -mno-relax
endif
# Avoid generating FPU instructions
arch-y += -mno-ext-fpu-sp -mno-ext-fpu-dp -mfloat-abi=soft
# Enable <nds32_intrinsic.h>
KBUILD_CFLAGS += -isystem $(shell $(CC) -print-file-name=include)
KBUILD_CFLAGS += $(call cc-option, -mno-sched-prolog-epilog)
KBUILD_CFLAGS += -mcmodel=large
KBUILD_CFLAGS +=$(arch-y) $(tune-y)
KBUILD_AFLAGS +=$(arch-y) $(tune-y)
#Default value
head-y := arch/nds32/kernel/head.o
textaddr-y := $(CONFIG_PAGE_OFFSET)+0xc000
TEXTADDR := $(textaddr-y)
export TEXTADDR
# If we have a machine-specific directory, then include it in the build.
core-y += arch/nds32/kernel/ arch/nds32/mm/
core-$(CONFIG_FPU) += arch/nds32/math-emu/
libs-y += arch/nds32/lib/
ifneq '$(CONFIG_NDS32_BUILTIN_DTB)' '""'
BUILTIN_DTB := y
else
BUILTIN_DTB := n
endif
ifdef CONFIG_CPU_LITTLE_ENDIAN
KBUILD_CFLAGS += $(call cc-option, -EL)
KBUILD_AFLAGS += $(call cc-option, -EL)
KBUILD_LDFLAGS += $(call cc-option, -EL)
CHECKFLAGS += -D__NDS32_EL__
else
KBUILD_CFLAGS += $(call cc-option, -EB)
KBUILD_AFLAGS += $(call cc-option, -EB)
KBUILD_LDFLAGS += $(call cc-option, -EB)
CHECKFLAGS += -D__NDS32_EB__
endif
boot := arch/nds32/boot
core-y += $(boot)/dts/
Image: vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
PHONY += vdso_install
vdso_install:
$(Q)$(MAKE) $(build)=arch/nds32/kernel/vdso $@
prepare: vdso_prepare
vdso_prepare: prepare0
$(Q)$(MAKE) $(build)=arch/nds32/kernel/vdso include/generated/vdso-offsets.h
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
define archhelp
echo ' Image - kernel image (arch/$(ARCH)/boot/Image)'
endef
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