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)