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 $(call if_changed,ld) 22 23$(obj)/vmlinux.bin: vmlinux FORCE 24 $(call if_changed,objcopy) 25 26$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE 27 $(call if_changed,gzip) 28 29$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE 30 $(call if_changed,bzip2) 31 32$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE 33 $(call if_changed,lzma) 34 35CFLAGS_misc.o += -fpic 36 37ifdef CONFIG_MMU 38LDFLAGS_piggy.o := -r --format binary --oformat elf32-m32r-linux -T 39else 40LDFLAGS_piggy.o := -r --format binary --oformat elf32-m32r -T 41endif 42 43OBJCOPYFLAGS += -R .empty_zero_page 44 45suffix-$(CONFIG_KERNEL_GZIP) = gz 46suffix-$(CONFIG_KERNEL_BZIP2) = bz2 47suffix-$(CONFIG_KERNEL_LZMA) = lzma 48 49$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE 50 $(call if_changed,ld) 51