linux/arch/unicore32/Makefile

#
# arch/unicore32/Makefile
#
# This file is included by the global makefile so that you can add your own
# architecture-specific flags and dependencies.
#
# This file is subject to the terms and conditions of the GNU General Public
# License.  See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (C) 2002~2010 by Guan Xue-tao
#
ifneq ($(SUBARCH),$(ARCH))
	ifeq ($(CROSS_COMPILE),)
		CROSS_COMPILE := $(call cc-cross-prefix, unicore32-linux-)
	endif
endif

LDFLAGS_vmlinux		:= -p --no-undefined -X

OBJCOPYFLAGS		:= -O binary -R .note -R .note.gnu.build-id -R .comment -S

# Never generate .eh_frame
KBUILD_CFLAGS		+= $(call cc-option,-fno-dwarf2-cfi-asm)

# Never use hard float in kernel
KBUILD_CFLAGS		+= -msoft-float

ifeq ($(CONFIG_FRAME_POINTER),y)
KBUILD_CFLAGS		+= -mno-sched-prolog
endif

CHECKFLAGS		+= -D__unicore32__

head-y			:= arch/unicore32/kernel/head.o

core-y			+= arch/unicore32/kernel/
core-y			+= arch/unicore32/mm/

libs-y			+= arch/unicore32/lib/

boot			:= arch/unicore32/boot

# Default defconfig and target when executing plain make
KBUILD_DEFCONFIG	:= $(ARCH)_defconfig
KBUILD_IMAGE		:= zImage

all:	$(KBUILD_IMAGE)

zImage Image uImage: vmlinux
	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@

archclean:
	$(Q)$(MAKE) $(clean)=$(boot)

define archhelp
  echo  '* zImage        - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
  echo  '  Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
  echo  '  uImage        - U-Boot wrapped zImage'
endef
unicore32 core architecture: build infrastructure This patch implements build infrastructure. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de> 2011-02-26 13:24:56 +03:00			`#`
			`# arch/unicore32/Makefile`
			`#`
			`# This file is included by the global makefile so that you can add your own`
			`# architecture-specific flags and dependencies.`
			`#`
			`# This file is subject to the terms and conditions of the GNU General Public`
			`# License. See the file "COPYING" in the main directory of this archive`
			`# for more details.`
			`#`
			`# Copyright (C) 2002~2010 by Guan Xue-tao`
			`#`
			`ifneq ($(SUBARCH),$(ARCH))`
			`ifeq ($(CROSS_COMPILE),)`
			`CROSS_COMPILE := $(call cc-cross-prefix, unicore32-linux-)`
			`endif`
			`endif`

			`LDFLAGS_vmlinux := -p --no-undefined -X`

			`OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment -S`

			`# Never generate .eh_frame`
			`KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm)`

			`# Never use hard float in kernel`
			`KBUILD_CFLAGS += -msoft-float`

			`ifeq ($(CONFIG_FRAME_POINTER),y)`
			`KBUILD_CFLAGS += -mno-sched-prolog`
			`endif`

			`CHECKFLAGS += -D__unicore32__`

			`head-y := arch/unicore32/kernel/head.o`

			`core-y += arch/unicore32/kernel/`
			`core-y += arch/unicore32/mm/`

			`libs-y += arch/unicore32/lib/`

			`boot := arch/unicore32/boot`

unicore32: add KBUILD_DEFCONFIG with unicore32_defconfig (old debug_defconfig) Rename debug_defconfig to unicore32_defconfig, which is a minimal config for PKUnity-v3 (130nm) SoC board. Also, add KBUILD_DEFCONFIG to use 'make defconfig'. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Acked-by: Arnd Bergmann <arnd@arndb.de> 2011-05-16 11:28:19 +04:00			`# Default defconfig and target when executing plain make`
			`KBUILD_DEFCONFIG := $(ARCH)_defconfig`
unicore32 core architecture: build infrastructure This patch implements build infrastructure. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de> 2011-02-26 13:24:56 +03:00			`KBUILD_IMAGE := zImage`

			`all: $(KBUILD_IMAGE)`

			`zImage Image uImage: vmlinux`
			`$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@`

			`archclean:`
			`$(Q)$(MAKE) $(clean)=$(boot)`

			`define archhelp`
			`echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'`
			`echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'`
			`echo ' uImage - U-Boot wrapped zImage'`
			`endef`