summaryrefslogtreecommitdiff
path: root/include/image.mk
blob: a03d4185293057b6824bbef8930cff7c5109c210 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
#
# Copyright (C) 2006-2010 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

override TARGET_BUILD=
include $(INCLUDE_DIR)/prereq.mk
include $(INCLUDE_DIR)/kernel.mk
include $(INCLUDE_DIR)/host.mk

.NOTPARALLEL:
override MAKEFLAGS=
override MAKE:=$(SUBMAKE)
KDIR=$(KERNEL_BUILD_DIR)

IMG_PREFIX:=openwrt-$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))

MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt

ifneq ($(CONFIG_BIG_ENDIAN),)
  JFFS2OPTS     :=  --big-endian --squash-uids -v
else
  JFFS2OPTS     :=  --little-endian --squash-uids -v
endif

ifeq ($(CONFIG_JFFS2_RTIME),y)
  JFFS2OPTS += -X rtime
endif
ifeq ($(CONFIG_JFFS2_ZLIB),y)
  JFFS2OPTS += -X zlib
endif
ifeq ($(CONFIG_JFFS2_LZMA),y)
  JFFS2OPTS += -X lzma --compression-mode=size
endif
ifneq ($(CONFIG_JFFS2_RTIME),y)
  JFFS2OPTS += -x rtime
endif
ifneq ($(CONFIG_JFFS2_ZLIB),y)
  JFFS2OPTS += -x zlib
endif
ifneq ($(CONFIG_JFFS2_LZMA),y)
  JFFS2OPTS += -x lzma
endif

JFFS2OPTS += $(MKFS_DEVTABLE_OPT)

SQUASHFS_BLOCKSIZE := 256k
SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1'
SQUASHFSCOMP := gzip
LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
ifeq ($(CONFIG_SQUASHFS_LZMA),y)
  SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
endif
ifeq ($(CONFIG_SQUASHFS_XZ),y)
  ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
    BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
  endif
  SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
endif

JFFS2_BLOCKSIZE ?= 64k 128k

define add_jffs2_mark
	echo -ne '\xde\xad\xc0\xde' >> $(1)
endef

define toupper
$(shell echo $(1) | tr '[:lower:]' '[:upper:]')
endef

# pad to 4k, 8k, 16k, 64k, 128k, 256k and add jffs2 end-of-filesystem mark
define prepare_generic_squashfs
	$(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 16 64 128 256
endef

ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
  define Image/BuildKernel/Initramfs
	cp $(KDIR)/vmlinux-initramfs.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux-initramfs.elf
	$(call Image/Build/Initramfs)
  endef
else
  define Image/BuildKernel/Initramfs
  endef
endif

define Image/BuildKernel/MkuImage
	mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
		-n '$(call toupper,$(ARCH)) OpenWrt Linux-$(LINUX_VERSION)' -d $(4) $(5)
endef

define Image/BuildKernel/MkFIT
	$(TOPDIR)/scripts/mkits.sh \
		-D $(1) -o $(KDIR)/fit-$(1).its -k $(2) -d $(3) -C $(4) -a $(5) -e $(6) \
		-A $(ARCH) -v $(LINUX_VERSION)
	PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
endef

define Image/mkfs/jffs2/sub
		# FIXME: removing this line will cause strange behaviour in the foreach loop below
		$(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) --pad -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2) -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
		$(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2)-raw -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
		$(call add_jffs2_mark,$(KDIR)/root.jffs2-$(2))
		$(call Image/Build,jffs2-$(2))
endef

ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2),)
    define Image/mkfs/jffs2
		$(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ),$(SZ),$(JFFS2OPTS)))
    endef
endif

ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2_NAND),)
    define Image/mkfs/jffs2_nand
		$(foreach SZ,$(NAND_BLOCKSIZE), $(call Image/mkfs/jffs2/sub, \
			$(word 2,$(subst :, ,$(SZ))),nand-$(subst :,-,$(SZ)), \
			$(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst :, ,$(SZ)))) \
		)
    endef
endif

ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
    define Image/mkfs/squashfs
		@mkdir -p $(TARGET_DIR)/overlay
		$(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)
		$(call Image/Build,squashfs)
    endef
endif

ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
    define Image/mkfs/ubifs/generate
	$(CP) ./ubinize$(1).cfg $(KDIR)
	( cd $(KDIR); \
		$(STAGING_DIR_HOST)/bin/ubinize \
		$(if $($(PROFILE)_UBI_OPTS), \
			$(shell echo $($(PROFILE)_UBI_OPTS)), \
			$(shell echo $(UBI_OPTS)) \
		) \
		-o $(KDIR)/root$(1).ubi \
		ubinize$(1).cfg \
	)
    endef

    define Image/mkfs/ubifs

        ifneq ($($(PROFILE)_UBIFS_OPTS)$(UBIFS_OPTS),)
		$(STAGING_DIR_HOST)/bin/mkfs.ubifs \
			$(if $($(PROFILE)_UBIFS_OPTS), \
				$(shell echo $($(PROFILE)_UBIFS_OPTS)), \
				$(shell echo $(UBIFS_OPTS)) \
			) \
			$(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
			$(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--force-compr=none) \
			$(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--force-compr=lzo) \
			$(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--force-compr=zlib) \
			$(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
			--squash-uids \
			-o $(KDIR)/root.ubifs \
			-d $(TARGET_DIR)
        endif
	$(call Image/Build,ubifs)

        ifneq ($($(PROFILE)_UBI_OPTS)$(UBI_OPTS),)
		$(call Image/mkfs/ubifs/generate,)
		$(if $(wildcard ./ubinize-overlay.cfg),$(call Image/mkfs/ubifs/generate,-overlay))
        endif
	$(call Image/Build,ubi)
    endef
endif

ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
  define Image/mkfs/cpiogz
		( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
  endef
endif

ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
  define Image/mkfs/targz
		# Preserve permissions (-p) when building as non-root user
		$(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE),-$(PROFILE))-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
  endef
endif

ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
  E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024/$(CONFIG_TARGET_EXT4_BLOCKSIZE))))

  define Image/mkfs/ext4
# generate an ext2 fs
	$(STAGING_DIR_HOST)/bin/genext2fs -U -B $(CONFIG_TARGET_EXT4_BLOCKSIZE) -b $(E2SIZE) -N $(CONFIG_TARGET_EXT4_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4 -m $(CONFIG_TARGET_EXT4_RESERVED_PCT) $(MKFS_DEVTABLE_OPT)
# convert it to ext4
	$(STAGING_DIR_HOST)/bin/tune2fs $(if $(CONFIG_TARGET_EXT4_JOURNAL),-j) -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
# fix it up
	$(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
	$(call Image/Build,ext4)
  endef
endif

ifneq ($(CONFIG_TARGET_ROOTFS_ISO),)
  define Image/mkfs/iso
		$(call Image/Build,iso)
  endef
endif


define Image/mkfs/prepare/default
	# Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
	- $(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
	- $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
	- $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
	$(INSTALL_DIR) $(TARGET_DIR)/tmp
	chmod 1777 $(TARGET_DIR)/tmp
endef

define Image/mkfs/prepare
	$(call Image/mkfs/prepare/default)
endef


define Image/Checksum
	( cd ${BIN_DIR} ; \
		$(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs \
		md5sum --binary > md5sums \
	)
endef


define BuildImage

  download:
  prepare:

  ifeq ($(IB),)
    compile: compile-targets FORCE
		$(call Build/Compile)
  else
    compile:
  endif

  ifeq ($(IB),)
    install: compile install-targets FORCE
		$(call Image/Prepare)
		$(call Image/mkfs/prepare)
		$(call Image/BuildKernel)
		$(call Image/BuildKernel/Initramfs)
		$(call Image/InstallKernel)
		$(call Image/mkfs/cpiogz)
		$(call Image/mkfs/targz)
		$(call Image/mkfs/ext4)
		$(call Image/mkfs/iso)
		$(call Image/mkfs/jffs2)
		$(call Image/mkfs/jffs2_nand)
		$(call Image/mkfs/squashfs)
		$(call Image/mkfs/ubifs)
		$(call Image/Checksum)
  else
    install: compile install-targets
		$(call Image/BuildKernel)
		$(call Image/BuildKernel/Initramfs)
		$(call Image/InstallKernel)
		$(call Image/mkfs/cpiogz)
		$(call Image/mkfs/targz)
		$(call Image/mkfs/ext4)
		$(call Image/mkfs/iso)
		$(call Image/mkfs/jffs2)
		$(call Image/mkfs/jffs2_nand)
		$(call Image/mkfs/squashfs)
		$(call Image/mkfs/ubifs)
		$(call Image/Checksum)
  endif

  ifeq ($(IB),)
    clean: clean-targets
		$(call Build/Clean)
  else
    clean:
  endif

  compile-targets:
  install-targets:
  clean-targets:

endef