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
8override TARGET_BUILD=
9include $(INCLUDE_DIR)/prereq.mk
10include $(INCLUDE_DIR)/kernel.mk
11include $(INCLUDE_DIR)/host.mk
12include $(INCLUDE_DIR)/version.mk
13
14override MAKE:=$(_SINGLE)$(SUBMAKE)
15override NO_TRACE_MAKE:=$(_SINGLE)$(NO_TRACE_MAKE)
16
17KDIR=$(KERNEL_BUILD_DIR)
18KDIR_TMP=$(KDIR)/tmp
19DTS_DIR:=$(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/dts
20
21sanitize = $(call tolower,$(subst _,-,$(1)))
22
23DIST_SANITIZED:=$(call sanitize,$(VERSION_DIST))
24EXTRA_NAME_SANITIZED=$(call sanitize,$(EXTRA_IMAGE_NAME))
25
26IMG_PREFIX:=$(DIST_SANITIZED)-$(if $(CONFIG_VERSION_FILENAMES),$(VERSION_NUMBER)-)$(if $(EXTRA_NAME_SANITIZED),$(EXTRA_NAME_SANITIZED)-)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
27
28MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
29
30ifneq ($(CONFIG_BIG_ENDIAN),)
31  JFFS2OPTS     :=  --big-endian --squash-uids -v
32else
33  JFFS2OPTS     :=  --little-endian --squash-uids -v
34endif
35
36ifeq ($(CONFIG_JFFS2_RTIME),y)
37  JFFS2OPTS += -X rtime
38endif
39ifeq ($(CONFIG_JFFS2_ZLIB),y)
40  JFFS2OPTS += -X zlib
41endif
42ifeq ($(CONFIG_JFFS2_LZMA),y)
43  JFFS2OPTS += -X lzma --compression-mode=size
44endif
45ifneq ($(CONFIG_JFFS2_RTIME),y)
46  JFFS2OPTS += -x rtime
47endif
48ifneq ($(CONFIG_JFFS2_ZLIB),y)
49  JFFS2OPTS += -x zlib
50endif
51ifneq ($(CONFIG_JFFS2_LZMA),y)
52  JFFS2OPTS += -x lzma
53endif
54
55JFFS2OPTS += $(MKFS_DEVTABLE_OPT)
56
57SQUASHFS_BLOCKSIZE := $(CONFIG_TARGET_SQUASHFS_BLOCK_SIZE)k
58SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
59SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1'
60SQUASHFSCOMP := gzip
61LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
62ifeq ($(CONFIG_SQUASHFS_LZMA),y)
63  SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
64endif
65ifeq ($(CONFIG_SQUASHFS_XZ),y)
66  ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
67    BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
68  endif
69  SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
70endif
71
72JFFS2_BLOCKSIZE ?= 64k 128k
73
74fs-types-$(CONFIG_TARGET_ROOTFS_SQUASHFS) += squashfs
75fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addprefix jffs2-,$(JFFS2_BLOCKSIZE))
76fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BLOCKSIZE))
77fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
78fs-types-$(CONFIG_TARGET_ROOTFS_ISO) += iso
79fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE)))
80fs-subtypes-$(CONFIG_TARGET_ROOTFS_CPIOGZ) += cpiogz
81fs-subtypes-$(CONFIG_TARGET_ROOTFS_TARGZ) += targz
82
83TARGET_FILESYSTEMS := $(fs-types-y)
84
85FS_64K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-64k
86FS_128K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-128k
87FS_256K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-256k
88
89define add_jffs2_mark
90	echo -ne '\xde\xad\xc0\xde' >> $(1)
91endef
92
93PROFILE_SANITIZED := $(call sanitize,$(PROFILE))
94
95define split_args
96$(foreach data, \
97	$(subst |,$(space),\
98		$(subst $(space),^,$(1))), \
99	$(call $(2),$(strip $(subst ^,$(space),$(data)))))
100endef
101
102define build_cmd
103$(if $(Build/$(word 1,$(1))),,$(error Missing Build/$(word 1,$(1))))
104$(call Build/$(word 1,$(1)),$(wordlist 2,$(words $(1)),$(1)))
105
106endef
107
108define concat_cmd
109$(call split_args,$(1),build_cmd)
110endef
111
112# pad to 4k, 8k, 16k, 64k, 128k, 256k and add jffs2 end-of-filesystem mark
113define prepare_generic_squashfs
114	$(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 16 64 128 256
115endef
116
117define Image/BuildKernel/Initramfs
118	$(call Image/Build/Initramfs)
119endef
120
121define Image/BuildKernel/MkuImage
122	mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
123		-n '$(call toupper,$(ARCH)) OpenWrt Linux-$(LINUX_VERSION)' -d $(4) $(5)
124endef
125
126define Image/BuildKernel/MkFIT
127	$(TOPDIR)/scripts/mkits.sh \
128		-D $(1) -o $(KDIR)/fit-$(1).its -k $(2) $(if $(3),-d $(3)) -C $(4) -a $(5) -e $(6) \
129		-A $(LINUX_KARCH) -v $(LINUX_VERSION)
130	PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
131endef
132
133# $(1) source dts file
134# $(2) target dtb file
135# $(3) extra CPP flags
136# $(4) extra DTC flags
137define Image/BuildDTB
138	$(TARGET_CROSS)cpp -nostdinc -x assembler-with-cpp \
139		-I$(DTS_DIR) \
140		-I$(DTS_DIR)/include \
141		-undef -D__DTS__ $(3) \
142		-o $(2).tmp $(1)
143	$(LINUX_DIR)/scripts/dtc/dtc -O dtb \
144		-i$(dir $(1)) $(4) \
145		-o $(2) $(2).tmp
146	$(RM) $(2).tmp
147endef
148
149define Image/mkfs/jffs2/sub
150		$(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 '/^.+$$$$/'
151		$(call add_jffs2_mark,$(KDIR)/root.jffs2-$(2))
152endef
153
154define Image/mkfs/jffs2/sub-raw
155		$(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2)-raw -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
156endef
157
158define Image/mkfs/jffs2/template
159  Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(1),$(JFFS2OPTS))
160  Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(1),$(JFFS2OPTS))
161
162endef
163
164define Image/mkfs/jffs2-nand/template
165  Image/mkfs/jffs2-nand-$(1) = \
166	$$(call Image/mkfs/jffs2/sub, \
167		$(word 2,$(subst -, ,$(1))),nand-$(1), \
168			$(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))))
169
170endef
171
172$(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S))))
173$(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S))))
174
175define Image/mkfs/squashfs
176	$(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) $(if $(SOURCE_DATE_EPOCH),-fixed-time $(SOURCE_DATE_EPOCH))
177endef
178
179# $(1): board name
180# $(2): rootfs type
181# $(3): kernel image
182ifneq ($(CONFIG_NAND_SUPPORT),)
183   define Image/Build/SysupgradeNAND
184	mkdir -p "$(KDIR_TMP)/sysupgrade-$(1)/"
185	echo "BOARD=$(1)" > "$(KDIR_TMP)/sysupgrade-$(1)/CONTROL"
186	[ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(1)/root"
187	[ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(1)/kernel"
188	(cd "$(KDIR_TMP)"; $(TAR) cvf \
189		"$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(1) \
190			$(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
191	)
192   endef
193
194# $(1) board name
195# $(2) ubinize-image options (e.g. --uboot-env and/or --kernel kernelimage)
196# $(3) rootfstype (e.g. squashfs or ubifs)
197# $(4) options to pass-through to ubinize (i.e. $($(PROFILE)_UBI_OPTS)))
198   define Image/Build/UbinizeImage
199	sh $(TOPDIR)/scripts/ubinize-image.sh $(2) \
200		"$(KDIR)/root.$(3)" \
201		"$(KDIR)/$(IMG_PREFIX)-$(1)-$(3)-ubinized.bin" \
202		$(4)
203   endef
204
205endif
206
207ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
208    define Image/mkfs/ubifs/generate
209	$(CP) ./ubinize$(1).cfg $(KDIR)
210	( cd $(KDIR); \
211		$(STAGING_DIR_HOST)/bin/ubinize \
212		$(if $($(PROFILE)_UBI_OPTS), \
213			$(shell echo $($(PROFILE)_UBI_OPTS)), \
214			$(shell echo $(UBI_OPTS)) \
215		) \
216		-o $(KDIR)/root$(1).ubi \
217		ubinize$(1).cfg \
218	)
219    endef
220
221    define Image/mkfs/ubifs
222
223        ifneq ($($(PROFILE)_UBIFS_OPTS)$(UBIFS_OPTS),)
224		$(STAGING_DIR_HOST)/bin/mkfs.ubifs \
225			$(if $($(PROFILE)_UBIFS_OPTS), \
226				$(shell echo $($(PROFILE)_UBIFS_OPTS)), \
227				$(shell echo $(UBIFS_OPTS)) \
228			) \
229			$(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
230			$(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--force-compr=none) \
231			$(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--force-compr=lzo) \
232			$(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--force-compr=zlib) \
233			$(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
234			--squash-uids \
235			-o $(KDIR)/root.ubifs \
236			-d $(TARGET_DIR)
237        endif
238	$(call Image/Build,ubifs)
239
240        ifneq ($($(PROFILE)_UBI_OPTS)$(UBI_OPTS),)
241		$(if $(wildcard ./ubinize.cfg),$(call Image/mkfs/ubifs/generate,))
242		$(if $(wildcard ./ubinize-overlay.cfg),$(call Image/mkfs/ubifs/generate,-overlay))
243        endif
244	$(if $(wildcard ./ubinize.cfg),$(call Image/Build,ubi))
245    endef
246endif
247
248define Image/mkfs/cpiogz
249	( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9n >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
250endef
251
252define Image/mkfs/targz
253	$(TAR) -cp --numeric-owner --owner=0 --group=0 --sort=name \
254		$(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
255		-C $(TARGET_DIR)/ . | gzip -9n > $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz
256endef
257
258E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
259
260define Image/mkfs/ext4
261	$(STAGING_DIR_HOST)/bin/make_ext4fs \
262		-l $(E2SIZE) -b $(CONFIG_TARGET_EXT4_BLOCKSIZE) \
263		-i $(CONFIG_TARGET_EXT4_MAXINODE) \
264		-m $(CONFIG_TARGET_EXT4_RESERVED_PCT) \
265		$(if $(CONFIG_TARGET_EXT4_JOURNAL),,-J) \
266		$(if $(SOURCE_DATE_EPOCH),-T $(SOURCE_DATE_EPOCH)) \
267		$(KDIR)/root.ext4 $(TARGET_DIR)/
268endef
269
270define Image/mkfs/prepare/default
271	# Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
272	- $(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
273	- $(FIND) $(TARGET_DIR) -type f -perm /0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
274	- $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
275	$(INSTALL_DIR) $(TARGET_DIR)/tmp $(TARGET_DIR)/overlay
276	chmod 1777 $(TARGET_DIR)/tmp
277endef
278
279define Image/mkfs/prepare
280	$(call Image/mkfs/prepare/default)
281endef
282
283
284define Image/Checksum
285	( cd ${BIN_DIR} ; \
286		$(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs $1 > $2 \
287	)
288endef
289
290define BuildImage/mkfs
291  install: mkfs-$(1)
292  .PHONY: mkfs-$(1)
293  mkfs-$(1): kernel_prepare
294	$(Image/mkfs/$(1))
295	$(call Build/mkfs/default,$(1))
296	$(call Build/mkfs/$(1),$(1))
297  $(KDIR)/root.$(1): mkfs-$(1)
298
299endef
300
301# Build commands that can be called from Device/* templates
302define Build/uImage
303	mkimage -A $(LINUX_KARCH) \
304		-O linux -T kernel \
305		-C $(1) -a $(KERNEL_LOADADDR) -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \
306		-n '$(call toupper,$(LINUX_KARCH)) OpenWrt Linux-$(LINUX_VERSION)' -d $@ $@.new
307	@mv $@.new $@
308endef
309
310define Build/netgear-chk
311	$(STAGING_DIR_HOST)/bin/mkchkimg \
312		-o $@.new \
313		-k $@ \
314		-b $(NETGEAR_BOARD_ID) \
315		-r $(NETGEAR_REGION)
316	mv $@.new $@
317endef
318
319define Build/netgear-dni
320	$(STAGING_DIR_HOST)/bin/mkdniimg \
321		-B $(NETGEAR_BOARD_ID) -v OpenWrt.$(REVISION) \
322		$(if $(NETGEAR_HW_ID),-H $(NETGEAR_HW_ID)) \
323		-r "$(1)" \
324		-i $@ -o $@.new
325	mv $@.new $@
326endef
327
328define Build/tplink-safeloader
329       -$(STAGING_DIR_HOST)/bin/tplink-safeloader \
330		-B $(TPLINK_BOARD_NAME) \
331		-V $(REVISION) \
332		-k $(word 1,$^) \
333		-r $@ \
334		-o $@.new \
335		-j \
336		$(wordlist 2,$(words $(1)),$(1)) \
337		$(if $(findstring sysupgrade,$(word 1,$(1))),-S) && mv $@.new $@ || rm -f $@
338endef
339
340define Build/fit
341	$(TOPDIR)/scripts/mkits.sh \
342		-D $(DEVICE_NAME) -o $@.its -k $@ \
343		$(if $(word 2,$(1)),-d $(word 2,$(1))) -C $(word 1,$(1)) \
344		-a $(KERNEL_LOADADDR) -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \
345		-A $(LINUX_KARCH) -v $(LINUX_VERSION)
346	PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $@.its $@.new
347	@mv $@.new $@
348endef
349
350define Build/lzma
351	$(call Build/lzma-no-dict,-lc1 -lp2 -pb2 $(1))
352endef
353
354define Build/lzma-no-dict
355	$(STAGING_DIR_HOST)/bin/lzma e $@ $(1) $@.new
356	@mv $@.new $@
357endef
358
359define Build/gzip
360	gzip -9n -c $@ $(1) > $@.new
361	@mv $@.new $@
362endef
363
364define Build/jffs2
365	rm -rf $(KDIR_TMP)/$(DEVICE_NAME)/jffs2 && \
366		mkdir -p $(KDIR_TMP)/$(DEVICE_NAME)/jffs2/$$(dirname $(1)) && \
367		cp $@ $(KDIR_TMP)/$(DEVICE_NAME)/jffs2/$(1) && \
368		$(STAGING_DIR_HOST)/bin/mkfs.jffs2 --pad \
369			$(if $(CONFIG_BIG_ENDIAN),--big-endian,--little-endian) \
370			--squash-uids -v -e $(patsubst %k,%KiB,$(BLOCKSIZE)) \
371			-o $@.new \
372			-d $(KDIR_TMP)/$(DEVICE_NAME)/jffs2 \
373			2>&1 1>/dev/null | awk '/^.+$$$$/' && \
374		$(STAGING_DIR_HOST)/bin/padjffs2 $@.new -J $(patsubst %k,,$(BLOCKSIZE))
375	-rm -rf $(KDIR_TMP)/$(DEVICE_NAME)/jffs2/
376	@mv $@.new $@
377endef
378
379define Build/kernel-bin
380	rm -f $@
381	cp $< $@
382endef
383
384define Build/patch-cmdline
385	$(STAGING_DIR_HOST)/bin/patch-cmdline $@ '$(CMDLINE)'
386endef
387
388define Build/append-kernel
389	dd if=$(word 1,$^) $(if $(1),bs=$(1) conv=sync) >> $@
390endef
391
392define Build/append-rootfs
393	dd if=$(word 2,$^) $(if $(1),bs=$(1) conv=sync) >> $@
394endef
395
396define Build/append-ubi
397	sh $(TOPDIR)/scripts/ubinize-image.sh \
398		$(if $(UBOOTENV_IN_UBI),--uboot-env) \
399		$(if $(KERNEL_IN_UBI),--kernel $(word 1,$^)) \
400		$(word 2,$^) \
401		$@.tmp \
402		-p $(BLOCKSIZE) -m $(PAGESIZE) -E 5 \
403		$(if $(SUBPAGESIZE),-s $(SUBPAGESIZE))
404	cat $@.tmp >> $@
405	rm $@.tmp
406endef
407
408define Build/pad-to
409	dd if=$@ of=$@.new bs=$(1) conv=sync
410	mv $@.new $@
411endef
412
413define Build/pad-rootfs
414	$(call prepare_generic_squashfs,$@ $(1))
415endef
416
417define Build/pad-offset
418	let \
419		size="$$(stat -c%s $@)" \
420		pad="$(word 1, $(1))" \
421		offset="$(word 2, $(1))" \
422		pad="(pad - ((size + offset) % pad)) % pad" \
423		newsize='size + pad'; \
424		dd if=$@ of=$@.new bs=$$newsize count=1 conv=sync
425	mv $@.new $@
426endef
427
428define Build/check-size
429	@[ $$(($(subst k,* 1024,$(subst m, * 1024k,$(1))))) -ge "$$(stat -c%s $@)" ] || { \
430		echo "WARNING: Image file $@ is too big" >&2; \
431		rm -f $@; \
432	}
433endef
434
435define Build/combined-image
436	-sh $(TOPDIR)/scripts/combined-image.sh \
437		"$(word 1,$^)" \
438		"$@" \
439		"$@.new"
440	@mv $@.new $@
441endef
442
443define Build/sysupgrade-nand
444	sh $(TOPDIR)/scripts/sysupgrade-nand.sh \
445		--board $(if $(BOARD_NAME),$(BOARD_NAME),$(DEVICE_NAME)) \
446		--kernel $(word 1,$^) \
447		--rootfs $(word 2,$^) \
448		$@
449endef
450
451define Device/Init
452  PROFILES := $(PROFILE)
453  DEVICE_NAME := $(1)
454  KERNEL:=
455  KERNEL_INITRAMFS = $$(KERNEL)
456  KERNEL_SIZE:=
457  CMDLINE:=
458
459  IMAGE_PREFIX := $(IMG_PREFIX)-$(1)
460  IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1)-$$(2)
461  KERNEL_PREFIX = $(1)
462  KERNEL_SUFFIX := -kernel.bin
463  KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
464  KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs
465  KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_SUFFIX)
466  KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs
467  KERNEL_INSTALL :=
468  KERNEL_NAME := vmlinux
469  KERNEL_DEPENDS :=
470  KERNEL_SIZE :=
471
472  FILESYSTEMS := $(TARGET_FILESYSTEMS)
473endef
474
475define Device/ExportVar
476  $(1) : $(2):=$$($(2))
477
478endef
479define Device/Export
480  $(foreach var,$(DEVICE_VARS) DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_INITRAMFS_IMAGE,$(call Device/ExportVar,$(1),$(var)))
481  $(1) : FILESYSTEM:=$(2)
482endef
483
484define Device/Check
485  _TARGET = $$(if $$(filter $(PROFILE),$$(PROFILES)),install,install-disabled)
486  _COMPILE_TARGET = $$(if $(if $(IB),,$(CONFIG_IB)$$(filter $(PROFILE),$$(PROFILES))),compile,compile-disabled)
487endef
488
489ifndef IB
490define Device/Build/initramfs
491  $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
492  $$(_TARGET): $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE)
493
494  $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare
495  $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
496	cp $$^ $$@
497
498  $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS)
499	@rm -f $$@
500	$$(call concat_cmd,$$(KERNEL_INITRAMFS))
501endef
502endif
503
504define Device/Build/check_size
505	@[ $$(($(subst k,* 1024,$(subst m, * 1024k,$(1))))) -ge "$$(stat -c%s $@)" ] || { \
506		echo "WARNING: Image file $@ is too big" >&2; \
507		rm -f $@; \
508	}
509endef
510
511define Device/Build/compile
512  $$(_COMPILE_TARGET): $(KDIR)/$(1)
513  $(eval $(call Device/Export,$(KDIR)/$(1)))
514  $(KDIR)/$(1):
515	$$(call concat_cmd,$(COMPILE/$(1)))
516
517endef
518
519define Device/Build/kernel
520  _KERNEL_IMAGES += $(KDIR)/$$(KERNEL_NAME)
521  $(KDIR)/$$(KERNEL_NAME):: image_prepare
522  $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE))
523  $(call Device/Export,$(KDIR)/$$(KERNEL_IMAGE),$(1))
524  $(BIN_DIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_IMAGE)
525	cp $$^ $$@
526  ifndef IB
527    ifdef CONFIG_IB
528      install: $(KDIR)/$$(KERNEL_IMAGE)
529    endif
530    $(KDIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS)
531	@rm -f $$@
532	$$(call concat_cmd,$$(KERNEL))
533	$$(if $$(KERNEL_SIZE),$$(call Device/Build/check_size,$$(KERNEL_SIZE)))
534  endif
535endef
536
537define Device/Build/image
538  $$(_TARGET): $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
539  $(eval $(call Device/Export,$(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)),$(1)))
540  $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/$$(KERNEL_IMAGE) $(KDIR)/root.$(1)
541	@rm -f $$@
542	[ -f $$(word 1,$$^) -a -f $$(word 2,$$^) ]
543	$$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2))))
544
545  .IGNORE: $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
546  $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
547	cp $$^ $$@
548
549endef
550
551define Device/Build
552  $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
553  $(call Device/Build/kernel,$(1))
554
555  $$(eval $$(foreach compile,$$(COMPILE), \
556    $$(call Device/Build/compile,$$(compile),$(1))))
557
558  $$(eval $$(foreach image,$$(IMAGES), \
559    $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \
560      $$(call Device/Build/image,$$(fs),$$(image),$(1)))))
561endef
562
563define Device
564  $(call Device/Init,$(1))
565  $(call Device/Default,$(1))
566  $(call Device/Check,$(1))
567  $(call Device/$(1),$(1))
568  $(call Device/Build,$(1))
569
570endef
571
572define BuildImage
573
574  download:
575  prepare:
576  compile:
577  clean:
578  image_prepare:
579
580  ifeq ($(IB),)
581    .PHONY: download prepare compile clean image_prepare mkfs_prepare kernel_prepare install
582    compile:
583		$(call Build/Compile)
584
585    clean:
586		$(call Build/Clean)
587
588    image_prepare: compile
589		mkdir -p $(KDIR)/tmp
590		$(call Image/Prepare)
591  else
592    image_prepare:
593		mkdir -p $(KDIR)/tmp
594  endif
595
596  mkfs_prepare: image_prepare
597	$(call Image/mkfs/prepare)
598
599  kernel_prepare: mkfs_prepare
600	$(call Image/BuildKernel)
601	$(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(if $(IB),,$(call Image/BuildKernel/Initramfs)))
602	$(call Image/InstallKernel)
603
604  $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))
605  $(foreach fs,$(TARGET_FILESYSTEMS) $(fs-subtypes-y),$(call BuildImage/mkfs,$(fs)))
606
607  install: kernel_prepare
608	$(foreach fs,$(TARGET_FILESYSTEMS),
609		$(call Image/Build,$(fs))
610	)
611	$(call Image/mkfs/ubifs)
612	$(call Image/Checksum,md5sum --binary,md5sums)
613	$(call Image/Checksum,openssl dgst -sha256,sha256sums)
614
615endef
616