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 JFFS2OPTS+= $(if $(CONFIG_KERNEL_JFFS2_RTIME)$(LINUX_2_4),-X,-x) rtime
29 JFFS2OPTS+= $(if $(CONFIG_KERNEL_JFFS2_ZLIB),-X,-x) zlib
30 JFFS2OPTS+= $(if $(CONFIG_KERNEL_JFFS2_LZMA)$(LINUX_2_4),-X,-x) lzma
31 JFFS2OPTS+= $(JFFS2COMPR) --compression-mode=size
33 ifneq ($(CONFIG_LINUX_2_4)$(CONFIG_LINUX_2_6_25),)
37 ifneq ($(USE_SQUASHFS3),)
38 MKSQUASHFS_CMD := $(STAGING_DIR_HOST)/bin/mksquashfs-lzma
40 MKSQUASHFS_CMD := $(STAGING_DIR_HOST)/bin/mksquashfs4
41 SQUASHFS_OPTS := -comp lzma -processors 1
44 JFFS2_BLOCKSIZE ?= 64k 128k
47 echo -ne '\xde\xad\xc0\xde' >> $(1)
50 # pad to 4k, 8k, 64k, 128k and add jffs2 end-of-filesystem mark
51 define prepare_generic_squashfs
52 dd if=$(1) of=$(KDIR)/tmpfile.0 bs=4k conv=sync
53 $(call add_jffs2_mark,$(KDIR)/tmpfile.0)
54 dd if=$(KDIR)/tmpfile.0 of=$(KDIR)/tmpfile.1 bs=4k conv=sync
55 $(call add_jffs2_mark,$(KDIR)/tmpfile.1)
56 dd if=$(KDIR)/tmpfile.1 of=$(KDIR)/tmpfile.2 bs=64k conv=sync
57 $(call add_jffs2_mark,$(KDIR)/tmpfile.2)
58 dd if=$(KDIR)/tmpfile.2 of=$(1) bs=64k conv=sync
59 $(call add_jffs2_mark,$(1))
60 rm -f $(KDIR)/tmpfile.*
63 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
64 ifeq ($(CONFIG_TARGET_ROOTFS_JFFS2),y)
65 define Image/mkfs/jffs2/sub
66 # FIXME: removing this line will cause strange behaviour in the foreach loop below
67 $(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 '/^.+$$$$/'
68 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
69 $(call Image/Build,jffs2-$(1))
71 define Image/mkfs/jffs2
72 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
76 ifeq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),y)
77 define Image/mkfs/squashfs
78 @mkdir -p $(TARGET_DIR)/overlay
79 $(MKSQUASHFS_CMD) $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
80 $(call Image/Build,squashfs)
84 ifeq ($(CONFIG_TARGET_ROOTFS_TGZ),y)
86 $(TAR) -zcf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tgz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
90 ifeq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),y)
91 define Image/mkfs/cpiogz
92 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
95 ifeq ($(CONFIG_TARGET_ROOTFS_UBIFS),y)
96 define Image/mkfs/ubifs
97 $(CP) ./ubinize.cfg $(KDIR)
98 $(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) -o $(KDIR)/root.ubifs -d $(TARGET_DIR)
100 $(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg)
101 $(call Image/Build,ubi)
105 define Image/BuildKernel
106 cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
107 $(call Image/Build/Initramfs)
111 define Image/Checksum
113 $(FIND) -maxdepth 1 -type f \! -name 'md5sums' -printf "%P\n" | sort | xargs \
114 md5sum --binary > md5sums \
119 ifeq ($(CONFIG_TARGET_ROOTFS_EXT2FS),y)
120 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_FSPART)*1024)))
122 define Image/mkfs/ext2
123 $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext2
124 $(call Image/Build,ext2)
128 ifeq ($(CONFIG_TARGET_ROOTFS_ISO),y)
129 define Image/mkfs/iso
130 $(call Image/Build,iso)
135 define Image/mkfs/prepare/default
136 - $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -print0 | $(XARGS) -0 chmod 0644
137 - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod 0755
138 - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod 0755
139 $(INSTALL_DIR) $(TARGET_DIR)/tmp
140 chmod 0777 $(TARGET_DIR)/tmp
143 define Image/mkfs/prepare
144 $(call Image/mkfs/prepare/default)
151 compile: compile-targets FORCE
152 $(call Build/Compile)
158 install: compile install-targets FORCE
159 $(call Image/Prepare)
160 $(call Image/mkfs/prepare)
161 $(call Image/BuildKernel)
162 $(call Image/mkfs/jffs2)
163 $(call Image/mkfs/squashfs)
164 $(call Image/mkfs/tgz)
165 $(call Image/mkfs/cpiogz)
166 $(call Image/mkfs/ext2)
167 $(call Image/mkfs/iso)
168 $(call Image/mkfs/ubifs)
169 $(call Image/Checksum)
171 install: compile install-targets
172 $(call Image/BuildKernel)
173 $(call Image/mkfs/jffs2)
174 $(call Image/mkfs/squashfs)
175 $(call Image/mkfs/tgz)
176 $(call Image/mkfs/cpiogz)
177 $(call Image/mkfs/ext2)
178 $(call Image/mkfs/iso)
179 $(call Image/mkfs/ubifs)
180 $(call Image/Checksum)