blob: 23bc849d9c64a2274924cbab5f29462c22402103 [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 Mundt50cfa792011-01-14 15:52:54 +09009 vmlinux.bin.xz 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 $(obj)/cache.o
Paul Mundt1eca1332009-05-10 00:58:21 +090013
Chris Smithd4f7e512010-11-12 16:26:54 +010014GCOV_PROFILE := n
15
Paul Mundt1eca1332009-05-10 00:58:21 +090016#
17# IMAGE_OFFSET is the load offset of the compression loader
18#
Matt Fleming9c3d9362010-04-24 13:34:44 +010019ifeq ($(CONFIG_32BIT),y)
20IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \
21 $$[$(CONFIG_MEMORY_START) + \
22 $(CONFIG_BOOT_LINK_OFFSET)]')
23else
Paul Mundt1eca1332009-05-10 00:58:21 +090024IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \
25 $$[$(CONFIG_PAGE_OFFSET) + \
26 $(KERNEL_MEMORY) + \
27 $(CONFIG_BOOT_LINK_OFFSET)]')
Matt Fleming9c3d9362010-04-24 13:34:44 +010028endif
Paul Mundt1eca1332009-05-10 00:58:21 +090029
Paul Mundt473d1cf2009-07-11 19:56:58 +090030ifeq ($(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 $(obj)/../../kernel/vmlinux.lds
37
Paul Mundt363e9f02011-06-06 17:57:58 +090038#
39# Pull in the necessary libgcc bits from the in-kernel implementation.
40#
41lib1funcs-$(CONFIG_SUPERH32) := ashiftrt.S ashldi3.c ashrsi3.S ashlsi3.S \
42 lshrsi3.S
43lib1funcs-obj := \
44 $(addsuffix .o, $(basename $(addprefix $(obj)/, $(lib1funcs-y))))
45
46lib1funcs-dir := $(srctree)/arch/$(SRCARCH)/lib
47ifeq ($(BITS),64)
48 lib1funcs-dir := $(addsuffix $(BITS), $(lib1funcs-dir))
49endif
50
51KBUILD_CFLAGS += -I$(lib1funcs-dir)
52
53$(addprefix $(obj)/,$(lib1funcs-y)): $(obj)/%: $(lib1funcs-dir)/% FORCE
54 $(call cmd,shipped)
55
56$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(lib1funcs-obj) FORCE
Paul Mundt1eca1332009-05-10 00:58:21 +090057 $(call if_changed,ld)
58 @:
59
60$(obj)/vmlinux.bin: vmlinux FORCE
61 $(call if_changed,objcopy)
62
Paul Mundt07e88e12009-07-11 13:21:19 -040063vmlinux.bin.all-y := $(obj)/vmlinux.bin
64
65$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
Paul Mundt1eca1332009-05-10 00:58:21 +090066 $(call if_changed,gzip)
Paul Mundt07e88e12009-07-11 13:21:19 -040067$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
68 $(call if_changed,bzip2)
69$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
70 $(call if_changed,lzma)
Paul Mundt50cfa792011-01-14 15:52:54 +090071$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE
72 $(call if_changed,xzkern)
Paul Mundtc7b16ef2010-01-13 13:29:19 +090073$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
74 $(call if_changed,lzo)
Paul Mundt07e88e12009-07-11 13:21:19 -040075
Paul Mundt1eca1332009-05-10 00:58:21 +090076OBJCOPYFLAGS += -R .empty_zero_page
77
Paul Mundt07e88e12009-07-11 13:21:19 -040078LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
79
80$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
81 $(call if_changed,ld)