54 lines
1.4 KiB
Makefile
54 lines
1.4 KiB
Makefile
#
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# This file is subject to the terms and conditions of the GNU General Public
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# License. See the file "COPYING" in the main directory of this archive
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# for more details.
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#
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GZIP = gzip
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GZIP_FLAGS = -v9fc
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ifeq ($(BIG_ENDIAN),1)
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OBJCOPY_ARGS := -O elf32-xtensa-be
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else
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OBJCOPY_ARGS := -O elf32-xtensa-le
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endif
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export OBJCOPY_ARGS
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export CPPFLAGS_boot.lds += -P -C
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boot-y := bootstrap.o
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OBJS := $(addprefix $(obj)/,$(boot-y))
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Image: vmlinux $(OBJS) arch/$(ARCH)/boot/boot-elf/boot.lds
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$(OBJCOPY) --strip-all -R .comment -R .note.gnu.build-id -O binary \
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vmlinux vmlinux.tmp
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$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
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--add-section image=vmlinux.tmp \
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--set-section-flags image=contents,alloc,load,load,data \
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$(OBJS) $@.tmp
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$(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) \
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-T arch/$(ARCH)/boot/boot-elf/boot.lds \
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-o arch/$(ARCH)/boot/$@.elf $@.tmp
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rm -f $@.tmp vmlinux.tmp
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Image.initrd: vmlinux $(OBJS)
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$(OBJCOPY) --strip-all -R .comment -R .note.gnu.build-id -O binary \
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--add-section .initrd=arch/$(ARCH)/boot/ramdisk \
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--set-section-flags .initrd=contents,alloc,load,load,data \
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vmlinux vmlinux.tmp
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$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
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--add-section image=vmlinux.tmp \
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--set-section-flags image=contents,alloc,load,load,data \
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$(OBJS) $@.tmp
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$(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) \
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-T $(srctree)/arch/$(ARCH)/boot/boot-elf/boot.ld \
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-o arch/$(ARCH)/boot/$@.elf $@.tmp
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rm -f $@.tmp vmlinux.tmp
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zImage: Image
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zImage.initrd: Image.initrd
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