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#
# lx25/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 $(LINUXINCLUDE)
CFLAGS = -O2
LD = gcc-cris -mlinux -march=v32 -nostdlib
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)
$(target)/head.o: $(src)/head.S
$(CC) -D__ASSEMBLY__ -c $< -o $@
# gzip the kernel image
piggy.img: $(SYSTEM)
cat $(SYSTEM) | gzip -f -9 > piggy.img
clean:
rm -f piggy.img $(objtree)/vmlinuz vmlinuz.o decompress.o decompress.bin $(OBJECTS)
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