2 # Copyright (C) 2006-2010 OpenWrt.org
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
9 include $(INCLUDE_DIR)/prereq.mk
10 include $(INCLUDE_DIR)/kernel.mk
11 include $(INCLUDE_DIR)/host.mk
15 override MAKE:=$(SUBMAKE)
16 KDIR=$(KERNEL_BUILD_DIR)
18 IMG_PREFIX:=openwrt-$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
20 ifneq ($(CONFIG_BIG_ENDIAN),)
21 JFFS2OPTS := --pad --big-endian --squash -v
23 JFFS2OPTS := --pad --little-endian --squash -v
26 ifeq ($(CONFIG_JFFS2_RTIME),y)
29 ifeq ($(CONFIG_JFFS2_ZLIB),y)
32 ifeq ($(CONFIG_JFFS2_LZMA),y)
33 JFFS2OPTS += -X lzma --compression-mode=size
35 ifneq ($(CONFIG_JFFS2_RTIME),y)
38 ifneq ($(CONFIG_JFFS2_ZLIB),y)
41 ifneq ($(CONFIG_JFFS2_LZMA),y)
45 JFFS2_BLOCKSIZE ?= 64k 128k
48 echo -ne '\xde\xad\xc0\xde' >> $(1)
51 # pad to 4k, 8k, 64k, 128k and add jffs2 end-of-filesystem mark
52 define prepare_generic_squashfs
53 dd if=$(1) of=$(KDIR)/tmpfile.0 bs=4k conv=sync
54 $(call add_jffs2_mark,$(KDIR)/tmpfile.0)
55 dd if=$(KDIR)/tmpfile.0 of=$(KDIR)/tmpfile.1 bs=4k conv=sync
56 $(call add_jffs2_mark,$(KDIR)/tmpfile.1)
57 dd if=$(KDIR)/tmpfile.1 of=$(KDIR)/tmpfile.2 bs=64k conv=sync
58 $(call add_jffs2_mark,$(KDIR)/tmpfile.2)
59 dd if=$(KDIR)/tmpfile.2 of=$(1) bs=64k conv=sync
60 $(call add_jffs2_mark,$(1))
61 rm -f $(KDIR)/tmpfile.*
65 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
67 define Image/BuildKernel
68 cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
69 $(call Image/Build/Initramfs)
74 ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2),)
75 define Image/mkfs/jffs2/sub
76 # FIXME: removing this line will cause strange behaviour in the foreach loop below
77 $(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 '/^.+$$$$/'
78 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
79 $(call Image/Build,jffs2-$(1))
81 define Image/mkfs/jffs2
82 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
86 ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
87 define Image/mkfs/squashfs
88 @mkdir -p $(TARGET_DIR)/overlay
89 $(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp lzma -processors 1
90 $(call Image/Build,squashfs)
94 ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
95 define Image/mkfs/ubifs
96 $(CP) ./ubinize.cfg $(KDIR)
97 $(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) -o $(KDIR)/root.ubifs -d $(TARGET_DIR)
99 $(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg)
100 $(call Image/Build,ubi)
106 ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
107 define Image/mkfs/cpiogz
108 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
112 ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
113 define Image/mkfs/targz
114 $(TAR) -zcf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
118 ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
119 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024)))
121 define Image/mkfs/ext4
122 # generate an ext2 fs
123 $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4
125 $(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
127 $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
128 $(call Image/Build,ext4)
132 ifneq ($(CONFIG_TARGET_ROOTFS_ISO),)
133 define Image/mkfs/iso
134 $(call Image/Build,iso)
139 define Image/mkfs/prepare/default
140 - $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -print0 | $(XARGS) -0 chmod 0644
141 - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod 0755
142 - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod 0755
143 $(INSTALL_DIR) $(TARGET_DIR)/tmp
144 chmod 0777 $(TARGET_DIR)/tmp
147 define Image/mkfs/prepare
148 $(call Image/mkfs/prepare/default)
152 define Image/Checksum
154 $(FIND) -maxdepth 1 -type f \! -name 'md5sums' -printf "%P\n" | sort | xargs \
155 md5sum --binary > md5sums \
166 compile: compile-targets FORCE
167 $(call Build/Compile)
173 install: compile install-targets FORCE
174 $(call Image/Prepare)
175 $(call Image/mkfs/prepare)
176 $(call Image/BuildKernel)
177 $(call Image/mkfs/cpiogz)
178 $(call Image/mkfs/targz)
179 $(call Image/mkfs/ext4)
180 $(call Image/mkfs/iso)
181 $(call Image/mkfs/jffs2)
182 $(call Image/mkfs/squashfs)
183 $(call Image/mkfs/ubifs)
184 $(call Image/Checksum)
186 install: compile install-targets
187 $(call Image/BuildKernel)
188 $(call Image/mkfs/cpiogz)
189 $(call Image/mkfs/targz)
190 $(call Image/mkfs/ext4)
191 $(call Image/mkfs/iso)
192 $(call Image/mkfs/jffs2)
193 $(call Image/mkfs/squashfs)
194 $(call Image/mkfs/ubifs)
195 $(call Image/Checksum)