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 ($(CONFIG_BIG_ENDIAN),)
21 JFFS2OPTS := --pad --big-endian --squash -v
24 JFFS2OPTS := --pad --little-endian --squash -v
28 ifeq ($(CONFIG_JFFS2_RTIME),y)
31 ifeq ($(CONFIG_JFFS2_ZLIB),y)
34 ifeq ($(CONFIG_JFFS2_LZMA),y)
35 JFFS2OPTS += -X lzma --compression-mode=size
37 ifneq ($(CONFIG_JFFS2_RTIME),y)
40 ifneq ($(CONFIG_JFFS2_ZLIB),y)
43 ifneq ($(CONFIG_JFFS2_LZMA),y)
47 MKSQUASHFS_CMD := $(STAGING_DIR_HOST)/bin/mksquashfs4
48 SQUASHFS_OPTS := -comp lzma -processors 1
50 JFFS2_BLOCKSIZE ?= 64k 128k
53 echo -ne '\xde\xad\xc0\xde' >> $(1)
56 # pad to 4k, 8k, 64k, 128k and add jffs2 end-of-filesystem mark
57 define prepare_generic_squashfs
58 dd if=$(1) of=$(KDIR)/tmpfile.0 bs=4k conv=sync
59 $(call add_jffs2_mark,$(KDIR)/tmpfile.0)
60 dd if=$(KDIR)/tmpfile.0 of=$(KDIR)/tmpfile.1 bs=4k conv=sync
61 $(call add_jffs2_mark,$(KDIR)/tmpfile.1)
62 dd if=$(KDIR)/tmpfile.1 of=$(KDIR)/tmpfile.2 bs=64k conv=sync
63 $(call add_jffs2_mark,$(KDIR)/tmpfile.2)
64 dd if=$(KDIR)/tmpfile.2 of=$(1) bs=64k conv=sync
65 $(call add_jffs2_mark,$(1))
66 rm -f $(KDIR)/tmpfile.*
70 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
72 define Image/BuildKernel
73 cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
74 $(call Image/Build/Initramfs)
79 ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2),)
80 define Image/mkfs/jffs2/sub
81 # FIXME: removing this line will cause strange behaviour in the foreach loop below
82 $(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 '/^.+$$$$/'
83 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
84 $(call Image/Build,jffs2-$(1))
86 define Image/mkfs/jffs2
87 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
91 ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
92 define Image/mkfs/squashfs
93 @mkdir -p $(TARGET_DIR)/overlay
94 $(MKSQUASHFS_CMD) $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
95 $(call Image/Build,squashfs)
99 ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
100 define Image/mkfs/ubifs
101 $(CP) ./ubinize.cfg $(KDIR)
102 $(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) -o $(KDIR)/root.ubifs -d $(TARGET_DIR)
104 $(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg)
105 $(call Image/Build,ubi)
111 ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
112 define Image/mkfs/cpiogz
113 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
117 ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
118 define Image/mkfs/targz
119 $(TAR) -zcf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
123 ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
124 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024)))
126 define Image/mkfs/ext4
127 # generate an ext2 fs
128 $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4
130 $(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
132 $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
133 $(call Image/Build,ext4)
137 ifneq ($(CONFIG_TARGET_ROOTFS_ISO),)
138 define Image/mkfs/iso
139 $(call Image/Build,iso)
144 define Image/mkfs/prepare/default
145 - $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -print0 | $(XARGS) -0 chmod 0644
146 - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod 0755
147 - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod 0755
148 $(INSTALL_DIR) $(TARGET_DIR)/tmp
149 chmod 0777 $(TARGET_DIR)/tmp
152 define Image/mkfs/prepare
153 $(call Image/mkfs/prepare/default)
157 define Image/Checksum
159 $(FIND) -maxdepth 1 -type f \! -name 'md5sums' -printf "%P\n" | sort | xargs \
160 md5sum --binary > md5sums \
171 compile: compile-targets FORCE
172 $(call Build/Compile)
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)
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)