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 ($(CONFIG_JFFS2_LZMA),y)
45 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
46 ifeq ($(CONFIG_SQUASHFS_LZMA),y)
47 SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
49 ifeq ($(CONFIG_SQUASHFS_XZ),y)
50 SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS)
53 JFFS2_BLOCKSIZE ?= 64k 128k
56 echo -ne '\xde\xad\xc0\xde' >> $(1)
59 # pad to 4k, 8k, 64k, 128k 256k and add jffs2 end-of-filesystem mark
60 define prepare_generic_squashfs
61 $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 64 128 256
65 ifneq ($(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 '/^.+$$$$/'
78 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
79 $(call Image/Build,jffs2-$(1))
81 define Image/mkfs/jffs2
82 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
86 ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
87 define Image/mkfs/squashfs
88 @mkdir -p $(TARGET_DIR)/overlay
89 $(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp $(SQUASHFSCOMP) -processors 1
90 $(call Image/Build,squashfs)
94 ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
95 define Image/mkfs/ubifs
96 $(CP) ./ubinize.cfg $(KDIR)
97 $(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) -o $(KDIR)/root.ubifs -d $(TARGET_DIR)
99 $(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg)
100 $(call Image/Build,ubi)
106 ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
107 define Image/mkfs/cpiogz
108 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
112 ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
113 define Image/mkfs/targz
114 # Preserve permissions (-p) when building as non-root user
115 $(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
119 ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
120 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024)))
122 define Image/mkfs/ext4
123 # generate an ext2 fs
124 $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4
126 $(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
128 $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
129 $(call Image/Build,ext4)
133 ifneq ($(CONFIG_TARGET_ROOTFS_ISO),)
134 define Image/mkfs/iso
135 $(call Image/Build,iso)
140 define Image/mkfs/prepare/default
141 # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
142 - $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -print0 | $(XARGS) -0 chmod u+rw,g+r,o+r
143 - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
144 - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
145 $(INSTALL_DIR) $(TARGET_DIR)/tmp
146 chmod 0777 $(TARGET_DIR)/tmp
149 define Image/mkfs/prepare
150 $(call Image/mkfs/prepare/default)
154 define Image/Checksum
156 $(FIND) -maxdepth 1 -type f \! -name 'md5sums' -printf "%P\n" | sort | xargs \
157 md5sum --binary > md5sums \
168 compile: compile-targets FORCE
169 $(call Build/Compile)
175 install: compile install-targets FORCE
176 $(call Image/Prepare)
177 $(call Image/mkfs/prepare)
178 $(call Image/BuildKernel)
179 $(call Image/mkfs/cpiogz)
180 $(call Image/mkfs/targz)
181 $(call Image/mkfs/ext4)
182 $(call Image/mkfs/iso)
183 $(call Image/mkfs/jffs2)
184 $(call Image/mkfs/squashfs)
185 $(call Image/mkfs/ubifs)
186 $(call Image/Checksum)
188 install: compile install-targets
189 $(call Image/BuildKernel)
190 $(call Image/mkfs/cpiogz)
191 $(call Image/mkfs/targz)
192 $(call Image/mkfs/ext4)
193 $(call Image/mkfs/iso)
194 $(call Image/mkfs/jffs2)
195 $(call Image/mkfs/squashfs)
196 $(call Image/mkfs/ubifs)
197 $(call Image/Checksum)