| # |
| # 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 -I $(TOPDIR)/include |
| 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) |
| |
