microsoft
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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/arch/nds32/Makefile

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Makefile
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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>
2017-10-25 10:03:49 +03:00
LDFLAGS_vmlinux := --no-undefined -X
OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment -S
KBUILD_DEFCONFIG := defconfig
comma = ,
nds32: fix building failed if using older version gcc. It will be built failed because these options are not supported by older version gcc. Signed-off-by: Greentime Hu <greentime@andestech.com>
2018-03-01 05:54:07 +03:00
KBUILD_CFLAGS += $(call cc-option, -mno-sched-prolog-epilog)
KBUILD_CFLAGS += -mcmodel=large
nds32: Build infrastructure This patch adds Makefile, Kconfig and vmlinux.lds.S files required for building an nds32 kernel. Signed-off-by: Vincent Chen <vincentc@andestech.com> Signed-off-by: Greentime Hu <greentime@andestech.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
2017-10-25 10:03:49 +03:00
KBUILD_CFLAGS +=$(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 := $(textaddr-y)
export TEXTADDR
# If we have a machine-specific directory, then include it in the build.
core-y += arch/nds32/kernel/ arch/nds32/mm/
libs-y += arch/nds32/lib/
ifneq '$(CONFIG_NDS32_BUILTIN_DTB)' '""'
BUILTIN_DTB := y
else
BUILTIN_DTB := n
endif
ifdef CONFIG_CPU_LITTLE_ENDIAN
nds32: fix building failed if using older version gcc. It will be built failed because these options are not supported by older version gcc. Signed-off-by: Greentime Hu <greentime@andestech.com>
2018-03-01 05:54:07 +03:00
KBUILD_CFLAGS += $(call cc-option, -EL)
nds32: Fix the allmodconfig build. To make sure CONFIG_CPU_LITTLE_ENDIAN is default y This way we can build kernel with CONFIG_CPU_LITTLE_ENDIAN=y. Build allmodconfig and allnoconfig are available too. It also fixes the endian mismatch issue because AFLAGS and LDFLAGS is not passed correctly. Signed-off-by: Vincent Ren-Wei Chen <vincentc@andestech.com> Signed-off-by: Greentime Hu <greentime@andestech.com>
2018-04-19 11:26:43 +03:00
KBUILD_AFLAGS += $(call cc-option, -EL)
kbuild: rename LDFLAGS to KBUILD_LDFLAGS Commit a0f97e06a43c ("kbuild: enable 'make CFLAGS=...' to add additional options to CC") renamed CFLAGS to KBUILD_CFLAGS. Commit 222d394d30e7 ("kbuild: enable 'make AFLAGS=...' to add additional options to AS") renamed AFLAGS to KBUILD_AFLAGS. Commit 06c5040cdb13 ("kbuild: enable 'make CPPFLAGS=...' to add additional options to CPP") renamed CPPFLAGS to KBUILD_CPPFLAGS. For some reason, LDFLAGS was not renamed. Using a well-known variable like LDFLAGS may result in accidental override of the variable. Kbuild generally uses KBUILD_ prefixed variables for the internally appended options, so here is one more conversion to sanitize the naming convention. I did not touch Makefiles under tools/ since the tools build system is a different world. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
2018-08-24 02:20:39 +03:00
KBUILD_LDFLAGS += $(call cc-option, -EL)
nds32: define __NDS32_E[BL]__ for sparse nds32 depends on the macros '__NDS32_E[BL]__' to correctly select or define endian-specific macros, structures or pieces of code. These macros are predefined by the compiler but sparse knows nothing about them and thus may pre-process files differently from what GCC would. Fix this by adding '-D__NDS32_E[BL]__' to CHECKFLAGS. Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com> Acked-by: Greentime Hu <greentime@andestech.com> Signed-off-by: Greentime Hu <greentime@andestech.com>
2018-05-28 19:29:02 +03:00
CHECKFLAGS += -D__NDS32_EL__
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>
2017-10-25 10:03:49 +03:00
else
nds32: fix building failed if using older version gcc. It will be built failed because these options are not supported by older version gcc. Signed-off-by: Greentime Hu <greentime@andestech.com>
2018-03-01 05:54:07 +03:00
KBUILD_CFLAGS += $(call cc-option, -EB)
nds32: Fix the allmodconfig build. To make sure CONFIG_CPU_LITTLE_ENDIAN is default y This way we can build kernel with CONFIG_CPU_LITTLE_ENDIAN=y. Build allmodconfig and allnoconfig are available too. It also fixes the endian mismatch issue because AFLAGS and LDFLAGS is not passed correctly. Signed-off-by: Vincent Ren-Wei Chen <vincentc@andestech.com> Signed-off-by: Greentime Hu <greentime@andestech.com>
2018-04-19 11:26:43 +03:00
KBUILD_AFLAGS += $(call cc-option, -EB)
kbuild: rename LDFLAGS to KBUILD_LDFLAGS Commit a0f97e06a43c ("kbuild: enable 'make CFLAGS=...' to add additional options to CC") renamed CFLAGS to KBUILD_CFLAGS. Commit 222d394d30e7 ("kbuild: enable 'make AFLAGS=...' to add additional options to AS") renamed AFLAGS to KBUILD_AFLAGS. Commit 06c5040cdb13 ("kbuild: enable 'make CPPFLAGS=...' to add additional options to CPP") renamed CPPFLAGS to KBUILD_CPPFLAGS. For some reason, LDFLAGS was not renamed. Using a well-known variable like LDFLAGS may result in accidental override of the variable. Kbuild generally uses KBUILD_ prefixed variables for the internally appended options, so here is one more conversion to sanitize the naming convention. I did not touch Makefiles under tools/ since the tools build system is a different world. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
2018-08-24 02:20:39 +03:00
KBUILD_LDFLAGS += $(call cc-option, -EB)
nds32: define __NDS32_E[BL]__ for sparse nds32 depends on the macros '__NDS32_E[BL]__' to correctly select or define endian-specific macros, structures or pieces of code. These macros are predefined by the compiler but sparse knows nothing about them and thus may pre-process files differently from what GCC would. Fix this by adding '-D__NDS32_E[BL]__' to CHECKFLAGS. Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com> Acked-by: Greentime Hu <greentime@andestech.com> Signed-off-by: Greentime Hu <greentime@andestech.com>
2018-05-28 19:29:02 +03:00
CHECKFLAGS += -D__NDS32_EB__
nds32: Build infrastructure This patch adds Makefile, Kconfig and vmlinux.lds.S files required for building an nds32 kernel. Signed-off-by: Vincent Chen <vincentc@andestech.com> Signed-off-by: Greentime Hu <greentime@andestech.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
2017-10-25 10:03:49 +03:00
endif
boot := arch/nds32/boot
core-$(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