Messages in this thread Patch in this message | | | From | Jesper Nilsson <> | Date | Fri, 30 Nov 2007 16:25:46 +0100 | Subject | [PATCH 31/47] Update CRISv32 boot compressed Kbuild makefile. |
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- Remove old specific targets, use more generic ones instead. - Use if_changed to avoid creating new images when no change. - Use KBUILD_CFLAGS instead of CFLAGS.
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com> --- arch/cris/arch-v32/boot/compressed/Makefile | 47 ++++++++++---------------- 1 files changed, 18 insertions(+), 29 deletions(-)
diff --git a/arch/cris/arch-v32/boot/compressed/Makefile b/arch/cris/arch-v32/boot/compressed/Makefile index 9f77eda..b9e6b23 100644 --- a/arch/cris/arch-v32/boot/compressed/Makefile +++ b/arch/cris/arch-v32/boot/compressed/Makefile @@ -1,41 +1,30 @@ # -# lx25/arch/cris/arch-v32/boot/compressed/Makefile +# arch/cris/arch-v32/boot/compressed/Makefile # -# create a compressed vmlinux image from the original vmlinux files and romfs -# - -target = $(target_compressed_dir) -src = $(src_compressed_dir) -CC = gcc-cris -mlinux -march=v32 -I $(TOPDIR)/include -CFLAGS = -O2 +CC = gcc-cris -mlinux -march=v32 -I $(srctree)/include +AFLAGS += -I $(srctree)/include/asm/mach/ -I $(srctree)/include/asm/arch +KBUILD_CFLAGS += -O2 -I $(srctree)/include/asm/mach/ -I $(srctree)/include/asm/arch LD = gcc-cris -mlinux -march=v32 -nostdlib +LDFLAGS = -T $(obj)/decompress.ld +obj-y = head.o misc.o +OBJECTS = $(obj)/head.o $(obj)/misc.o OBJCOPY = objcopy-cris OBJCOPYFLAGS = -O binary --remove-section=.bss -OBJECTS = $(target)/head.o $(target)/misc.o - -# files to compress -SYSTEM = $(objtree)/vmlinux.bin - -all: vmlinuz - -$(target)/decompress.bin: $(OBJECTS) - $(LD) -T $(src)/decompress.ld -o $(target)/decompress.o $(OBJECTS) - $(OBJCOPY) $(OBJCOPYFLAGS) $(target)/decompress.o $(target)/decompress.bin -$(objtree)/vmlinuz: $(target) piggy.img $(target)/decompress.bin - cat $(target)/decompress.bin piggy.img > $(objtree)/vmlinuz - rm -f piggy.img - cp $(objtree)/vmlinuz $(src) +quiet_cmd_image = BUILD $@ +cmd_image = cat $(obj)/decompress.bin $(obj)/piggy.gz > $@ -$(target)/head.o: $(src)/head.S - $(CC) -D__ASSEMBLY__ -c $< -o $@ +targets := vmlinux piggy.gz decompress.o decompress.bin -# gzip the kernel image +$(obj)/decompress.o: $(OBJECTS) FORCE + $(call if_changed,ld) -piggy.img: $(SYSTEM) - cat $(SYSTEM) | gzip -f -9 > piggy.img +$(obj)/decompress.bin: $(obj)/decompress.o FORCE + $(call if_changed,objcopy) -clean: - rm -f piggy.img $(objtree)/vmlinuz vmlinuz.o decompress.o decompress.bin $(OBJECTS) +$(obj)/vmlinux: $(obj)/piggy.gz $(obj)/decompress.bin FORCE + $(call if_changed,image) +$(obj)/piggy.gz: $(obj)/../Image FORCE + $(call if_changed,gzip) -- 1.5.3.6.970.gd25430
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