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yaml
---
r: 84930
b: refs/heads/master
c: 1333a69
h: refs/heads/master
v: v3
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Jesper Nilsson committed Feb 8, 2008
1 parent be2dfce commit 4a52efe
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Showing 2 changed files with 20 additions and 30 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: 87f5a7f7033ce4bbad082983332bbce43e849c84
refs/heads/master: 1333a694836cb7e561b1b70d60ccceb8fabeead2
48 changes: 19 additions & 29 deletions trunk/arch/cris/arch-v10/boot/compressed/Makefile
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@@ -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)

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

# files to compress
SYSTEM = $(objtree)/vmlinux.bin
quiet_cmd_image = BUILD $@
cmd_image = cat $(obj)/decompress.bin $(obj)/piggy.gz > $@

all: $(target_compressed_dir)/vmlinuz
targets := vmlinux piggy.gz decompress.o decompress.bin

$(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)

# 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)

$(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 $@

$(target)/misc.o: $(src)/misc.c
$(CC) -D__KERNEL__ -c $< -o $@
$(obj)/misc.o: $(obj)/misc.c .config
@$(CC) -D__KERNEL__ -c $< -o $@

# gzip the kernel image
$(obj)/vmlinux: $(obj)/piggy.gz $(obj)/decompress.bin FORCE
$(call if_changed,image)

piggy.img: $(SYSTEM)
@cat $(SYSTEM) | gzip -f -9 > piggy.img

$(target):
mkdir -p $(target)

clean:
rm -f piggy.img $(objtree)/vmlinuz
$(obj)/piggy.gz: $(obj)/../Image FORCE
$(call if_changed,gzip)

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