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CRIS v10: Update boot/compressed Kbuild makefile.
- Remove old specific targets, use more generic ones instead. - Use if_changed to avoid creating new images when no change. - Use EXTRA_CFLAGS instead of CFLAGS.
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Jesper Nilsson
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Feb 8, 2008
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,45 +1,35 @@ | ||
| # | ||
| # create a compressed vmlinuz image from the binary vmlinux.bin file | ||
| # arch/cris/arch-v10/boot/compressed/Makefile | ||
| # | ||
| target = $(target_compressed_dir) | ||
| src = $(src_compressed_dir) | ||
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| CC = gcc-cris -melf $(LINUXINCLUDE) | ||
| CFLAGS = -O2 | ||
| EXTRA_CFLAGS = -O2 | ||
| LD = ld-cris | ||
| LDFLAGS = -T $(obj)/decompress.ld | ||
| OBJECTS = $(obj)/head.o $(obj)/misc.o | ||
| OBJCOPY = objcopy-cris | ||
| OBJCOPYFLAGS = -O binary --remove-section=.bss | ||
| OBJECTS = $(target)/head.o $(target)/misc.o | ||
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| # files to compress | ||
| SYSTEM = $(objtree)/vmlinux.bin | ||
| quiet_cmd_image = BUILD $@ | ||
| cmd_image = cat $(obj)/decompress.bin $(obj)/piggy.gz > $@ | ||
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| all: $(target_compressed_dir)/vmlinuz | ||
| targets := vmlinux piggy.gz decompress.o decompress.bin | ||
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| $(target)/decompress.bin: $(OBJECTS) | ||
| $(LD) -T $(src)/decompress.ld -o $(target)/decompress.o $(OBJECTS) | ||
| $(OBJCOPY) $(OBJCOPYFLAGS) $(target)/decompress.o $(target)/decompress.bin | ||
| $(obj)/decompress.o: $(OBJECTS) FORCE | ||
| $(call if_changed,ld) | ||
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| # Create vmlinuz image in top-level build directory | ||
| $(target_compressed_dir)/vmlinuz: $(target) piggy.img $(target)/decompress.bin | ||
| @echo " COMPR vmlinux.bin --> vmlinuz" | ||
| @cat $(target)/decompress.bin piggy.img > $(target_compressed_dir)/vmlinuz | ||
| @rm -f piggy.img | ||
| $(obj)/decompress.bin: $(obj)/decompress.o FORCE | ||
| $(call if_changed,objcopy) | ||
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| $(target)/head.o: $(src)/head.S | ||
| $(CC) -D__ASSEMBLY__ -traditional -c $< -o $@ | ||
| $(obj)/head.o: $(obj)/head.S .config | ||
| @$(CC) -D__ASSEMBLY__ -traditional -c $< -o $@ | ||
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| $(target)/misc.o: $(src)/misc.c | ||
| $(CC) -D__KERNEL__ -c $< -o $@ | ||
| $(obj)/misc.o: $(obj)/misc.c .config | ||
| @$(CC) -D__KERNEL__ -c $< -o $@ | ||
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| # gzip the kernel image | ||
| $(obj)/vmlinux: $(obj)/piggy.gz $(obj)/decompress.bin FORCE | ||
| $(call if_changed,image) | ||
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| piggy.img: $(SYSTEM) | ||
| @cat $(SYSTEM) | gzip -f -9 > piggy.img | ||
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| $(target): | ||
| mkdir -p $(target) | ||
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| clean: | ||
| rm -f piggy.img $(objtree)/vmlinuz | ||
| $(obj)/piggy.gz: $(obj)/../Image FORCE | ||
| $(call if_changed,gzip) | ||
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