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 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
22 ifneq ($(CONFIG_BIG_ENDIAN),)
23 JFFS2OPTS := --pad --big-endian --squash-uids -v
25 JFFS2OPTS := --pad --little-endian --squash-uids -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 JFFS2OPTS += $(MKFS_DEVTABLE_OPT)
49 SQUASHFS_BLOCKSIZE := 256k
50 SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
51 SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1'
53 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
54 ifeq ($(CONFIG_SQUASHFS_LZMA),y)
55 SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
57 ifeq ($(CONFIG_SQUASHFS_XZ),y)
58 ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
59 BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
61 SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
64 JFFS2_BLOCKSIZE ?= 64k 128k
67 echo -ne '\xde\xad\xc0\xde' >> $(1)
70 # pad to 4k, 8k, 64k, 128k 256k and add jffs2 end-of-filesystem mark
71 define prepare_generic_squashfs
72 $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 64 128 256
75 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
76 define Image/BuildKernel/Initramfs
77 cp $(KDIR)/vmlinux-initramfs.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux-initramfs.elf
78 $(call Image/Build/Initramfs)
81 define Image/BuildKernel/Initramfs
85 define Image/mkfs/jffs2/sub
86 # FIXME: removing this line will cause strange behaviour in the foreach loop below
87 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2) -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
88 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(2))
89 $(call Image/Build,jffs2-$(2))
92 ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2),)
93 define Image/mkfs/jffs2
94 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ),$(SZ),$(JFFS2OPTS)))
98 ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2_NAND),)
99 define Image/mkfs/jffs2_nand
100 $(foreach SZ,$(NAND_BLOCKSIZE), $(call Image/mkfs/jffs2/sub, \
101 $(word 2,$(subst :, ,$(SZ))),nand-$(subst :,-,$(SZ)), \
102 $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst :, ,$(SZ)))) \
107 ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
108 define Image/mkfs/squashfs
109 @mkdir -p $(TARGET_DIR)/overlay
110 $(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) -processors $(if $(CONFIG_PKG_BUILD_JOBS),$(CONFIG_PKG_BUILD_JOBS),1)
111 $(call Image/Build,squashfs)
115 ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
116 define Image/mkfs/ubifs
117 $(CP) ./ubinize.cfg $(KDIR)
118 $(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) $(MKFS_DEVTABLE_OPT) -o $(KDIR)/root.ubifs -d $(TARGET_DIR)
119 $(call Image/Build,ubifs)
121 $(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg)
122 $(call Image/Build,ubi)
126 ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
127 define Image/mkfs/cpiogz
128 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
132 ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
133 define Image/mkfs/targz
134 # Preserve permissions (-p) when building as non-root user
135 $(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
139 ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
140 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024)))
142 define Image/mkfs/ext4
143 # generate an ext2 fs
144 $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4 -m $(CONFIG_TARGET_ROOTFS_RESERVED_PCT) $(MKFS_DEVTABLE_OPT)
146 $(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
148 $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
149 $(call Image/Build,ext4)
153 ifneq ($(CONFIG_TARGET_ROOTFS_ISO),)
154 define Image/mkfs/iso
155 $(call Image/Build,iso)
160 define Image/mkfs/prepare/default
161 # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
162 - $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -not -name 'shadow' -print0 | $(XARGS) -0 chmod u+rw,g+r,o+r
163 - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
164 - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
165 $(INSTALL_DIR) $(TARGET_DIR)/tmp
166 chmod 1777 $(TARGET_DIR)/tmp
169 define Image/mkfs/prepare
170 $(call Image/mkfs/prepare/default)
174 define Image/Checksum
176 $(FIND) -maxdepth 1 -type f \! -name 'md5sums' -printf "%P\n" | sort | xargs \
177 md5sum --binary > md5sums \
188 compile: compile-targets FORCE
189 $(call Build/Compile)
195 install: compile install-targets FORCE
196 $(call Image/Prepare)
197 $(call Image/mkfs/prepare)
198 $(call Image/BuildKernel)
199 $(call Image/BuildKernel/Initramfs)
200 $(call Image/InstallKernel)
201 $(call Image/mkfs/cpiogz)
202 $(call Image/mkfs/targz)
203 $(call Image/mkfs/ext4)
204 $(call Image/mkfs/iso)
205 $(call Image/mkfs/jffs2)
206 $(call Image/mkfs/jffs2_nand)
207 $(call Image/mkfs/squashfs)
208 $(call Image/mkfs/ubifs)
209 $(call Image/Checksum)
211 install: compile install-targets
212 $(call Image/BuildKernel)
213 $(call Image/BuildKernel/Initramfs)
214 $(call Image/InstallKernel)
215 $(call Image/mkfs/cpiogz)
216 $(call Image/mkfs/targz)
217 $(call Image/mkfs/ext4)
218 $(call Image/mkfs/iso)
219 $(call Image/mkfs/jffs2)
220 $(call Image/mkfs/jffs2_nand)
221 $(call Image/mkfs/squashfs)
222 $(call Image/mkfs/ubifs)
223 $(call Image/Checksum)