kernel: update linux 3.0 to 3.0.18
[openwrt/svn-archive/archive.git] / include / image.mk
1 #
2 # Copyright (C) 2006-2010 OpenWrt.org
3 #
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
6 #
7
8 override TARGET_BUILD=
9 include $(INCLUDE_DIR)/prereq.mk
10 include $(INCLUDE_DIR)/kernel.mk
11 include $(INCLUDE_DIR)/host.mk
12
13 .NOTPARALLEL:
14 override MAKEFLAGS=
15 override MAKE:=$(SUBMAKE)
16 KDIR=$(KERNEL_BUILD_DIR)
17
18 IMG_PREFIX:=openwrt-$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
19
20 ifneq ($(CONFIG_BIG_ENDIAN),)
21 JFFS2OPTS := --pad --big-endian --squash -v
22 else
23 JFFS2OPTS := --pad --little-endian --squash -v
24 endif
25
26 ifeq ($(CONFIG_JFFS2_RTIME),y)
27 JFFS2OPTS += -X rtime
28 endif
29 ifeq ($(CONFIG_JFFS2_ZLIB),y)
30 JFFS2OPTS += -X zlib
31 endif
32 ifeq ($(CONFIG_JFFS2_LZMA),y)
33 JFFS2OPTS += -X lzma --compression-mode=size
34 endif
35 ifneq ($(CONFIG_JFFS2_RTIME),y)
36 JFFS2OPTS += -x rtime
37 endif
38 ifneq ($(CONFIG_JFFS2_ZLIB),y)
39 JFFS2OPTS += -x zlib
40 endif
41 ifneq ($(CONFIG_JFFS2_LZMA),y)
42 JFFS2OPTS += -x lzma
43 endif
44
45 SQUASHFS_BLOCKSIZE := 256k
46 SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
47 SQUASHFSCOMP := gzip
48 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
49 ifeq ($(CONFIG_SQUASHFS_LZMA),y)
50 SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
51 endif
52 ifeq ($(CONFIG_SQUASHFS_XZ),y)
53 SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS)
54 endif
55
56 JFFS2_BLOCKSIZE ?= 64k 128k
57
58 define add_jffs2_mark
59 echo -ne '\xde\xad\xc0\xde' >> $(1)
60 endef
61
62 # pad to 4k, 8k, 64k, 128k 256k and add jffs2 end-of-filesystem mark
63 define prepare_generic_squashfs
64 $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 64 128 256
65 endef
66
67
68 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
69
70 define Image/BuildKernel
71 cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
72 $(call Image/Build/Initramfs)
73 endef
74
75 else
76
77 ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2),)
78 define Image/mkfs/jffs2/sub
79 # FIXME: removing this line will cause strange behaviour in the foreach loop below
80 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(JFFS2OPTS) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(1) -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
81 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
82 $(call Image/Build,jffs2-$(1))
83 endef
84 define Image/mkfs/jffs2
85 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
86 endef
87 endif
88
89 ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
90 define Image/mkfs/squashfs
91 @mkdir -p $(TARGET_DIR)/overlay
92 $(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) -processors $(if $(CONFIG_PKG_BUILD_JOBS),$(CONFIG_PKG_BUILD_JOBS),1)
93 $(call Image/Build,squashfs)
94 endef
95 endif
96
97 ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
98 define Image/mkfs/ubifs
99 $(CP) ./ubinize.cfg $(KDIR)
100 $(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) -o $(KDIR)/root.ubifs -d $(TARGET_DIR)
101 (cd $(KDIR); \
102 $(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg)
103 $(call Image/Build,ubi)
104 endef
105 endif
106
107 endif
108
109 ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
110 define Image/mkfs/cpiogz
111 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
112 endef
113 endif
114
115 ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
116 define Image/mkfs/targz
117 # Preserve permissions (-p) when building as non-root user
118 $(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
119 endef
120 endif
121
122 ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
123 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024)))
124
125 define Image/mkfs/ext4
126 # generate an ext2 fs
127 $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4
128 # convert it to ext4
129 $(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
130 # fix it up
131 $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
132 $(call Image/Build,ext4)
133 endef
134 endif
135
136 ifneq ($(CONFIG_TARGET_ROOTFS_ISO),)
137 define Image/mkfs/iso
138 $(call Image/Build,iso)
139 endef
140 endif
141
142
143 define Image/mkfs/prepare/default
144 # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
145 - $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -print0 | $(XARGS) -0 chmod u+rw,g+r,o+r
146 - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
147 - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
148 $(INSTALL_DIR) $(TARGET_DIR)/tmp
149 chmod 0777 $(TARGET_DIR)/tmp
150 endef
151
152 define Image/mkfs/prepare
153 $(call Image/mkfs/prepare/default)
154 endef
155
156
157 define Image/Checksum
158 ( cd ${BIN_DIR} ; \
159 $(FIND) -maxdepth 1 -type f \! -name 'md5sums' -printf "%P\n" | sort | xargs \
160 md5sum --binary > md5sums \
161 )
162 endef
163
164
165 define BuildImage
166
167 download:
168 prepare:
169
170 ifeq ($(IB),)
171 compile: compile-targets FORCE
172 $(call Build/Compile)
173 else
174 compile:
175 endif
176
177 ifeq ($(IB),)
178 install: compile install-targets FORCE
179 $(call Image/Prepare)
180 $(call Image/mkfs/prepare)
181 $(call Image/BuildKernel)
182 $(call Image/mkfs/cpiogz)
183 $(call Image/mkfs/targz)
184 $(call Image/mkfs/ext4)
185 $(call Image/mkfs/iso)
186 $(call Image/mkfs/jffs2)
187 $(call Image/mkfs/squashfs)
188 $(call Image/mkfs/ubifs)
189 $(call Image/Checksum)
190 else
191 install: compile install-targets
192 $(call Image/BuildKernel)
193 $(call Image/mkfs/cpiogz)
194 $(call Image/mkfs/targz)
195 $(call Image/mkfs/ext4)
196 $(call Image/mkfs/iso)
197 $(call Image/mkfs/jffs2)
198 $(call Image/mkfs/squashfs)
199 $(call Image/mkfs/ubifs)
200 $(call Image/Checksum)
201 endif
202
203 ifeq ($(IB),)
204 clean: clean-targets
205 $(call Build/Clean)
206 else
207 clean:
208 endif
209
210 compile-targets:
211 install-targets:
212 clean-targets:
213
214 endef