xref: /linux/arch/sh/boot/compressed/Makefile (revision 1f25756a11d662a986553754bf398ccc38f3925e) 
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 /bin/bash -c 'printf "0x%08x" \
20		     $$[$(CONFIG_PAGE_OFFSET)  + \
21			$(CONFIG_MEMORY_START) + \
22			$(CONFIG_BOOT_LINK_OFFSET)]')
23
24LIBGCC	:= $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
25
26LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -e startup -T $(obj)/../../kernel/vmlinux.lds
27
28
29$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE
30	$(call if_changed,ld)
31	@:
32
33$(obj)/vmlinux.bin: vmlinux FORCE
34	$(call if_changed,objcopy)
35
36$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
37	$(call if_changed,gzip)
38
39LDFLAGS_piggy.o := -r --format binary --oformat elf32-sh-linux -T
40OBJCOPYFLAGS += -R .empty_zero_page
41
42$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE
43	$(call if_changed,ld)
44