1# 2# linux/arch/m32r/boot/compressed/Makefile 3# 4# create a compressed vmlinux image from the original vmlinux 5# 6 7targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \ 8 vmlinux.bin.lzma head.o misc.o piggy.o vmlinux.lds 9 10OBJECTS = $(obj)/head.o $(obj)/misc.o 11 12# 13# IMAGE_OFFSET is the load offset of the compression loader 14# 15#IMAGE_OFFSET := $(shell printf "0x%08x" $$[$(CONFIG_MEMORY_START)+0x2000]) 16#IMAGE_OFFSET := $(shell printf "0x%08x" $$[$(CONFIG_MEMORY_START)+0x00400000]) 17 18LDFLAGS_vmlinux := -T 19 20$(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS) $(obj)/piggy.o FORCE 21 $(call if_changed,ld) 22 @: 23 24$(obj)/vmlinux.bin: vmlinux FORCE 25 $(call if_changed,objcopy) 26 27$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE 28 $(call if_changed,gzip) 29 30$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE 31 $(call if_changed,bzip2) 32 33$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE 34 $(call if_changed,lzma) 35 36CFLAGS_misc.o += -fpic 37 38ifdef CONFIG_MMU 39LDFLAGS_piggy.o := -r --format binary --oformat elf32-m32r-linux -T 40else 41LDFLAGS_piggy.o := -r --format binary --oformat elf32-m32r -T 42endif 43 44OBJCOPYFLAGS += -R .empty_zero_page 45 46suffix_$(CONFIG_KERNEL_GZIP) = gz 47suffix_$(CONFIG_KERNEL_BZIP2) = bz2 48suffix_$(CONFIG_KERNEL_LZMA) = lzma 49 50$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE 51 $(call if_changed,ld) 52