1#
2# linux/arch/sh/boot/compressed/Makefile
3#
4# create a compressed vmlinux image from the original vmlinux
5#
6
7targets		:= vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o
8EXTRA_AFLAGS	:= -traditional
9
10OBJECTS = $(obj)/head.o $(obj)/misc.o
11
12ifdef CONFIG_SH_STANDARD_BIOS
13OBJECTS += $(obj)/../../kernel/sh_bios.o
14endif
15
16#
17# IMAGE_OFFSET is the load offset of the compression loader
18#
19IMAGE_OFFSET	:= $(shell printf "0x%08x" $$[$(CONFIG_PAGE_OFFSET)  + \
20					      $(CONFIG_MEMORY_START) + \
21					      $(CONFIG_BOOT_LINK_OFFSET)])
22
23LIBGCC	:= $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
24
25LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -e startup -T $(obj)/../../kernel/vmlinux.lds
26
27
28$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE
29	$(call if_changed,ld)
30	@:
31
32$(obj)/vmlinux.bin: vmlinux FORCE
33	$(call if_changed,objcopy)
34
35$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
36	$(call if_changed,gzip)
37
38LDFLAGS_piggy.o := -r --format binary --oformat elf32-sh-linux -T
39OBJCOPYFLAGS += -R .empty_zero_page
40
41$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE
42	$(call if_changed,ld)
43