blob: cfa5a087a886f5e9fa7ee5e90dd467e5003cc041 [file] [log] [blame]
Paul Mundt1eca1332009-05-10 00:58:21 +09001#
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 \
Paul Mundt07e88e12009-07-11 13:21:19 -04008 vmlinux.bin.bz2 vmlinux.bin.lzma \
Paul Mundtc7b16ef2010-01-13 13:29:19 +09009 vmlinux.bin.lzo \
Paul Mundt59f00292009-07-11 13:32:24 -040010 head_$(BITS).o misc.o piggy.o
Paul Mundt1eca1332009-05-10 00:58:21 +090011
Paul Mundt59f00292009-07-11 13:32:24 -040012OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o
Paul Mundt1eca1332009-05-10 00:58:21 +090013
Paul Mundt1eca1332009-05-10 00:58:21 +090014#
15# IMAGE_OFFSET is the load offset of the compression loader
16#
Matt Fleming9c3d9362010-04-24 13:34:44 +010017ifeq ($(CONFIG_32BIT),y)
18IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \
19 $$[$(CONFIG_MEMORY_START) + \
20 $(CONFIG_BOOT_LINK_OFFSET)]')
21else
Paul Mundt1eca1332009-05-10 00:58:21 +090022IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \
23 $$[$(CONFIG_PAGE_OFFSET) + \
24 $(KERNEL_MEMORY) + \
25 $(CONFIG_BOOT_LINK_OFFSET)]')
Matt Fleming9c3d9362010-04-24 13:34:44 +010026endif
Paul Mundt1eca1332009-05-10 00:58:21 +090027
28LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
29
Paul Mundt473d1cf2009-07-11 19:56:58 +090030ifeq ($(CONFIG_MCOUNT),y)
Paul Mundt1eca1332009-05-10 00:58:21 +090031ORIG_CFLAGS := $(KBUILD_CFLAGS)
32KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
33endif
34
35LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \
36 -T $(obj)/../../kernel/vmlinux.lds
37
38$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE
39 $(call if_changed,ld)
40 @:
41
42$(obj)/vmlinux.bin: vmlinux FORCE
43 $(call if_changed,objcopy)
44
Paul Mundt07e88e12009-07-11 13:21:19 -040045vmlinux.bin.all-y := $(obj)/vmlinux.bin
46
47$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
Paul Mundt1eca1332009-05-10 00:58:21 +090048 $(call if_changed,gzip)
Paul Mundt07e88e12009-07-11 13:21:19 -040049$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
50 $(call if_changed,bzip2)
51$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
52 $(call if_changed,lzma)
Paul Mundtc7b16ef2010-01-13 13:29:19 +090053$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
54 $(call if_changed,lzo)
Paul Mundt07e88e12009-07-11 13:21:19 -040055
Paul Mundt1eca1332009-05-10 00:58:21 +090056OBJCOPYFLAGS += -R .empty_zero_page
57
Paul Mundt07e88e12009-07-11 13:21:19 -040058LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
59
60$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
61 $(call if_changed,ld)