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 ($(CONFIG_BIG_ENDIAN),y)
21 JFFS2OPTS := --pad --little-endian --squash
24 JFFS2OPTS := --pad --big-endian --squash
28 ifneq ($(CONFIG_LINUX_2_4)$(CONFIG_LINUX_2_6_25),)
32 ifneq ($(USE_SQUASHFS3),)
33 MKSQUASHFS_CMD := $(STAGING_DIR_HOST)/bin/mksquashfs-lzma
35 MKSQUASHFS_CMD := $(STAGING_DIR_HOST)/bin/mksquashfs4
36 SQUASHFS_OPTS := -comp lzma -processors 1
39 JFFS2_BLOCKSIZE ?= 64k 128k
42 echo -ne '\xde\xad\xc0\xde' >> $(1)
45 # pad to 4k, 8k, 64k, 128k and add jffs2 end-of-filesystem mark
46 define prepare_generic_squashfs
47 dd if=$(1) of=$(KDIR)/tmpfile.0 bs=4k conv=sync
48 $(call add_jffs2_mark,$(KDIR)/tmpfile.0)
49 dd if=$(KDIR)/tmpfile.0 of=$(KDIR)/tmpfile.1 bs=4k conv=sync
50 $(call add_jffs2_mark,$(KDIR)/tmpfile.1)
51 dd if=$(KDIR)/tmpfile.1 of=$(KDIR)/tmpfile.2 bs=64k conv=sync
52 $(call add_jffs2_mark,$(KDIR)/tmpfile.2)
53 dd if=$(KDIR)/tmpfile.2 of=$(1) bs=64k conv=sync
54 $(call add_jffs2_mark,$(1))
55 rm -f $(KDIR)/tmpfile.*
58 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
59 ifeq ($(CONFIG_TARGET_ROOTFS_JFFS2),y)
60 define Image/mkfs/jffs2/sub
61 # FIXME: removing this line will cause strange behaviour in the foreach loop below
62 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(JFFS2OPTS) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(1) -d $(TARGET_DIR)
63 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
64 $(call Image/Build,jffs2-$(1))
66 define Image/mkfs/jffs2
67 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
71 ifeq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),y)
72 define Image/mkfs/squashfs
73 @mkdir -p $(TARGET_DIR)/overlay
74 $(MKSQUASHFS_CMD) $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
75 $(call Image/Build,squashfs)
79 ifeq ($(CONFIG_TARGET_ROOTFS_TGZ),y)
81 $(TAR) -zcf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tgz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
85 ifeq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),y)
86 define Image/mkfs/cpiogz
87 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
90 ifeq ($(CONFIG_TARGET_ROOTFS_UBIFS),y)
91 define Image/mkfs/ubifs
92 $(CP) ./ubinize.cfg $(KDIR)
93 $(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) -o $(KDIR)/root.ubifs -d $(TARGET_DIR)
95 $(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg)
96 $(call Image/Build,ubi)
100 define Image/BuildKernel
101 cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
102 $(call Image/Build/Initramfs)
106 define Image/Checksum
108 $(FIND) -maxdepth 1 -type f \! -name 'md5sums' -printf "%P\n" | sort | xargs \
109 md5sum --binary > md5sums \
114 ifeq ($(CONFIG_TARGET_ROOTFS_EXT2FS),y)
115 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_FSPART)*1024)))
117 define Image/mkfs/ext2
118 $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext2
119 $(call Image/Build,ext2)
123 ifeq ($(CONFIG_TARGET_ROOTFS_ISO),y)
124 define Image/mkfs/iso
125 $(call Image/Build,iso)
130 define Image/mkfs/prepare/default
131 - $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -print0 | $(XARGS) -0 chmod 0644
132 - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod 0755
133 - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod 0755
134 $(INSTALL_DIR) $(TARGET_DIR)/tmp
135 chmod 0777 $(TARGET_DIR)/tmp
138 define Image/mkfs/prepare
139 $(call Image/mkfs/prepare/default)
146 compile: compile-targets FORCE
147 $(call Build/Compile)
153 install: compile install-targets FORCE
154 $(call Image/Prepare)
155 $(call Image/mkfs/prepare)
156 $(call Image/BuildKernel)
157 $(call Image/mkfs/jffs2)
158 $(call Image/mkfs/squashfs)
159 $(call Image/mkfs/tgz)
160 $(call Image/mkfs/cpiogz)
161 $(call Image/mkfs/ext2)
162 $(call Image/mkfs/iso)
163 $(call Image/mkfs/ubifs)
164 $(call Image/Checksum)
166 install: compile install-targets
167 $(call Image/BuildKernel)
168 $(call Image/mkfs/jffs2)
169 $(call Image/mkfs/squashfs)
170 $(call Image/mkfs/tgz)
171 $(call Image/mkfs/cpiogz)
172 $(call Image/mkfs/ext2)
173 $(call Image/mkfs/iso)
174 $(call Image/mkfs/ubifs)
175 $(call Image/Checksum)