1 | # |
2 | # Copyright (C) 2006-2010 OpenWrt.org |
3 | # |
4 | # This is free software, licensed under the GNU General Public License v2. |
5 | # See /LICENSE for more information. |
6 | # |
7 | |
8 | override TARGET_BUILD= |
9 | include $(INCLUDE_DIR)/prereq.mk |
10 | include $(INCLUDE_DIR)/kernel.mk |
11 | include $(INCLUDE_DIR)/host.mk |
12 | |
13 | .NOTPARALLEL: |
14 | override MAKEFLAGS= |
15 | override MAKE:=$(SUBMAKE) |
16 | KDIR=$(KERNEL_BUILD_DIR) |
17 | |
18 | IMG_PREFIX:=openwrt-$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET)) |
19 | |
20 | ifneq ($(CONFIG_BIG_ENDIAN),) |
21 | JFFS2OPTS := --pad --big-endian --squash-uids -v |
22 | else |
23 | JFFS2OPTS := --pad --little-endian --squash-uids -v |
24 | endif |
25 | |
26 | ifeq ($(CONFIG_JFFS2_RTIME),y) |
27 | JFFS2OPTS += -X rtime |
28 | endif |
29 | ifeq ($(CONFIG_JFFS2_ZLIB),y) |
30 | JFFS2OPTS += -X zlib |
31 | endif |
32 | ifeq ($(CONFIG_JFFS2_LZMA),y) |
33 | JFFS2OPTS += -X lzma --compression-mode=size |
34 | endif |
35 | ifneq ($(CONFIG_JFFS2_RTIME),y) |
36 | JFFS2OPTS += -x rtime |
37 | endif |
38 | ifneq ($(CONFIG_JFFS2_ZLIB),y) |
39 | JFFS2OPTS += -x zlib |
40 | endif |
41 | ifneq ($(CONFIG_JFFS2_LZMA),y) |
42 | JFFS2OPTS += -x lzma |
43 | endif |
44 | |
45 | SQUASHFS_BLOCKSIZE := 256k |
46 | SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE) |
47 | SQUASHFSCOMP := gzip |
48 | LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2 |
49 | ifeq ($(CONFIG_SQUASHFS_LZMA),y) |
50 | SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS) |
51 | endif |
52 | ifeq ($(CONFIG_SQUASHFS_XZ),y) |
53 | SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) |
54 | endif |
55 | |
56 | JFFS2_BLOCKSIZE ?= 64k 128k |
57 | |
58 | define add_jffs2_mark |
59 | echo -ne '\xde\xad\xc0\xde' >> $(1) |
60 | endef |
61 | |
62 | # pad to 4k, 8k, 64k, 128k 256k and add jffs2 end-of-filesystem mark |
63 | define prepare_generic_squashfs |
64 | $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 64 128 256 |
65 | endef |
66 | |
67 | |
68 | ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),) |
69 | |
70 | define Image/BuildKernel |
71 | cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf |
72 | $(call Image/Build/Initramfs) |
73 | endef |
74 | |
75 | else |
76 | |
77 | ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2),) |
78 | define Image/mkfs/jffs2/sub |
79 | # FIXME: removing this line will cause strange behaviour in the foreach loop below |
80 | $(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 '/^.+$$$$/' |
81 | $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1)) |
82 | $(call Image/Build,jffs2-$(1)) |
83 | endef |
84 | define Image/mkfs/jffs2 |
85 | $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ))) |
86 | endef |
87 | endif |
88 | |
89 | ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),) |
90 | define Image/mkfs/squashfs |
91 | @mkdir -p $(TARGET_DIR)/overlay |
92 | $(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) -processors $(if $(CONFIG_PKG_BUILD_JOBS),$(CONFIG_PKG_BUILD_JOBS),1) |
93 | $(call Image/Build,squashfs) |
94 | endef |
95 | endif |
96 | |
97 | ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),) |
98 | define Image/mkfs/ubifs |
99 | $(CP) ./ubinize.cfg $(KDIR) |
100 | $(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) -o $(KDIR)/root.ubifs -d $(TARGET_DIR) |
101 | (cd $(KDIR); \ |
102 | $(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg) |
103 | $(call Image/Build,ubi) |
104 | endef |
105 | endif |
106 | |
107 | endif |
108 | |
109 | ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),) |
110 | define Image/mkfs/cpiogz |
111 | ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz ) |
112 | endef |
113 | endif |
114 | |
115 | ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),) |
116 | define Image/mkfs/targz |
117 | # Preserve permissions (-p) when building as non-root user |
118 | $(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ . |
119 | endef |
120 | endif |
121 | |
122 | ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),) |
123 | E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024))) |
124 | |
125 | define Image/mkfs/ext4 |
126 | # generate an ext2 fs |
127 | $(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) |
128 | # convert it to ext4 |
129 | $(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4 |
130 | # fix it up |
131 | $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4 |
132 | $(call Image/Build,ext4) |
133 | endef |
134 | endif |
135 | |
136 | ifneq ($(CONFIG_TARGET_ROOTFS_ISO),) |
137 | define Image/mkfs/iso |
138 | $(call Image/Build,iso) |
139 | endef |
140 | endif |
141 | |
142 | |
143 | define Image/mkfs/prepare/default |
144 | # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits |
145 | - $(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 |
146 | - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx |
147 | - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx |
148 | $(INSTALL_DIR) $(TARGET_DIR)/tmp |
149 | chmod 1777 $(TARGET_DIR)/tmp |
150 | endef |
151 | |
152 | define Image/mkfs/prepare |
153 | $(call Image/mkfs/prepare/default) |
154 | endef |
155 | |
156 | |
157 | define Image/Checksum |
158 | ( cd ${BIN_DIR} ; \ |
159 | $(FIND) -maxdepth 1 -type f \! -name 'md5sums' -printf "%P\n" | sort | xargs \ |
160 | md5sum --binary > md5sums \ |
161 | ) |
162 | endef |
163 | |
164 | |
165 | define BuildImage |
166 | |
167 | download: |
168 | prepare: |
169 | |
170 | ifeq ($(IB),) |
171 | compile: compile-targets FORCE |
172 | $(call Build/Compile) |
173 | else |
174 | compile: |
175 | endif |
176 | |
177 | ifeq ($(IB),) |
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) |
190 | else |
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 | $(call Image/Checksum) |
201 | endif |
202 | |
203 | ifeq ($(IB),) |
204 | clean: clean-targets |
205 | $(call Build/Clean) |
206 | else |
207 | clean: |
208 | endif |
209 | |
210 | compile-targets: |
211 | install-targets: |
212 | clean-targets: |
213 | |
214 | endef |
215 | |