| # |
| # linux/arch/sh/boot/compressed/Makefile |
| # |
| # create a compressed vmlinux image from the original vmlinux |
| # |
| |
| HEAD = head.o |
| SYSTEM = $(TOPDIR)/vmlinux |
| |
| OBJECTS = $(HEAD) misc.o |
| |
| ifdef CONFIG_SH_STANDARD_BIOS |
| OBJECTS += ../../kernel/sh_bios.o |
| endif |
| |
| ZLDFLAGS = -e startup -T $(TOPDIR)/arch/sh/vmlinux.lds |
| |
| # |
| # ZIMAGE_OFFSET is the load offset of the compression loader |
| # |
| ZIMAGE_OFFSET = $(shell printf "0x%8x" $$[0x80000000+0x$(CONFIG_MEMORY_START)+0x$(CONFIG_BOOT_LINK_OFFSET)]) |
| |
| ZLINKFLAGS = -Ttext $(ZIMAGE_OFFSET) $(ZLDFLAGS) |
| |
| all: vmlinux |
| |
| vmlinux: piggy.o $(OBJECTS) |
| $(LD) $(ZLINKFLAGS) -o vmlinux $(OBJECTS) piggy.o |
| |
| head.o: head.S |
| $(CC) $(AFLAGS) -traditional -c head.S |
| |
| piggy.o: $(SYSTEM) |
| tmppiggy=_tmp_$$$$piggy; \ |
| rm -f $$tmppiggy $$tmppiggy.gz $$tmppiggy.lnk; \ |
| $(OBJCOPY) -R .empty_zero_page $(SYSTEM) $$tmppiggy; \ |
| gzip -f -9 < $$tmppiggy > $$tmppiggy.gz; \ |
| echo "SECTIONS { .data : { input_len = .; LONG(input_data_end - input_data) input_data = .; *(.data) input_data_end = .; }}" > $$tmppiggy.lnk; \ |
| $(LD) -r -o piggy.o -b binary $$tmppiggy.gz -b elf32-sh-linux -T $$tmppiggy.lnk; \ |
| rm -f $$tmppiggy $$tmppiggy.gz $$tmppiggy.lnk |
| |
| clean: |
| rm -f vmlinux _tmp_* |
