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authorGreentime Hu <greentime@andestech.com>2017-10-25 09:03:49 +0200
committerGreentime Hu <greentime@andestech.com>2018-02-22 03:44:35 +0100
commite71ea3badae55a69a44b8fcb46ae7b547529b376 (patch)
tree21947a2e1b0852e6d26c2f2435c464aa3238a2cd /arch/nds32/Makefile
parentnds32: defconfig (diff)
downloadlinux-e71ea3badae55a69a44b8fcb46ae7b547529b376.tar.xz
linux-e71ea3badae55a69a44b8fcb46ae7b547529b376.zip
nds32: Build infrastructure
This patch adds Makefile, Kconfig and vmlinux.lds.S files required for building an nds32 kernel. Signed-off-by: Vincent Chen <vincentc@andestech.com> Signed-off-by: Greentime Hu <greentime@andestech.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/nds32/Makefile')
-rw-r--r--arch/nds32/Makefile66
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/nds32/Makefile b/arch/nds32/Makefile
new file mode 100644
index 000000000000..54b4de9d48b6
--- /dev/null
+++ b/arch/nds32/Makefile
@@ -0,0 +1,66 @@
+LDFLAGS_vmlinux := --no-undefined -X
+OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment -S
+
+KBUILD_DEFCONFIG := defconfig
+
+comma = ,
+
+KBUILD_CFLAGS +=-mno-sched-prolog-epilog -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/
+libs-y += arch/nds32/lib/
+LIBGCC_PATH := \
+ $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
+libs-y += $(LIBGCC_PATH)
+
+ifneq '$(CONFIG_NDS32_BUILTIN_DTB)' '""'
+BUILTIN_DTB := y
+else
+BUILTIN_DTB := n
+endif
+
+ifdef CONFIG_CPU_LITTLE_ENDIAN
+KBUILD_CFLAGS += -EL
+else
+KBUILD_CFLAGS += -EB
+endif
+
+boot := arch/nds32/boot
+core-$(BUILTIN_DTB) += $(boot)/dts/
+
+.PHONY: FORCE
+
+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
+
+CLEAN_FILES += include/asm-nds32/constants.h*
+
+# We use MRPROPER_FILES and CLEAN_FILES now
+archclean:
+ $(Q)$(MAKE) $(clean)=$(boot)
+
+define archhelp
+ echo ' Image - kernel image (arch/$(ARCH)/boot/Image)'
+endef