First git repo commit for the libreCMC project
[librecmc/librecmc.git] / include / image.mk
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 include $(INCLUDE_DIR)/version.mk
13 include $(INCLUDE_DIR)/image-commands.mk
14
15 ifndef IB
16   ifdef CONFIG_TARGET_PER_DEVICE_ROOTFS
17     TARGET_PER_DEVICE_ROOTFS := 1
18   endif
19 endif
20
21 include $(INCLUDE_DIR)/image-legacy.mk
22
23 ifdef TARGET_PER_DEVICE_ROOTFS
24   include $(INCLUDE_DIR)/rootfs.mk
25 endif
26
27 override MAKE:=$(_SINGLE)$(SUBMAKE)
28 override NO_TRACE_MAKE:=$(_SINGLE)$(NO_TRACE_MAKE)
29
30 target_params = $(subst +,$(space),$*)
31 param_get = $(patsubst $(1)=%,%,$(filter $(1)=%,$(2)))
32 param_get_default = $(firstword $(call param_get,$(1),$(2)) $(3))
33 param_mangle = $(subst $(space),_,$(strip $(1)))
34 param_unmangle = $(subst _,$(space),$(1))
35
36 mkfs_packages_id = $(shell echo $(sort $(1)) | md5sum | head -c 8)
37 mkfs_target_dir = $(if $(call param_get,pkg,$(1)),$(KDIR)/target-dir-$(call param_get,pkg,$(1)),$(TARGET_DIR))
38
39 KDIR=$(KERNEL_BUILD_DIR)
40 KDIR_TMP=$(KDIR)/tmp
41 DTS_DIR:=$(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/dts
42
43 EXTRA_NAME_SANITIZED=$(call sanitize,$(EXTRA_IMAGE_NAME))
44
45 IMG_PREFIX:=$(VERSION_DIST_SANITIZED)-$(if $(CONFIG_VERSION_FILENAMES),$(VERSION_NUMBER)-)$(if $(EXTRA_NAME_SANITIZED),$(EXTRA_NAME_SANITIZED)-)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
46
47 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
48
49 ifneq ($(CONFIG_BIG_ENDIAN),)
50   JFFS2OPTS     :=  --big-endian --squash-uids -v
51 else
52   JFFS2OPTS     :=  --little-endian --squash-uids -v
53 endif
54
55 ifeq ($(CONFIG_JFFS2_RTIME),y)
56   JFFS2OPTS += -X rtime
57 endif
58 ifeq ($(CONFIG_JFFS2_ZLIB),y)
59   JFFS2OPTS += -X zlib
60 endif
61 ifeq ($(CONFIG_JFFS2_LZMA),y)
62   JFFS2OPTS += -X lzma --compression-mode=size
63 endif
64 ifneq ($(CONFIG_JFFS2_RTIME),y)
65   JFFS2OPTS += -x rtime
66 endif
67 ifneq ($(CONFIG_JFFS2_ZLIB),y)
68   JFFS2OPTS += -x zlib
69 endif
70 ifneq ($(CONFIG_JFFS2_LZMA),y)
71   JFFS2OPTS += -x lzma
72 endif
73
74 JFFS2OPTS += $(MKFS_DEVTABLE_OPT)
75
76 SQUASHFS_BLOCKSIZE := $(CONFIG_TARGET_SQUASHFS_BLOCK_SIZE)k
77 SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
78 SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1'
79 SQUASHFSCOMP := gzip
80 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
81 ifeq ($(CONFIG_SQUASHFS_XZ),y)
82   ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
83     BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
84   endif
85   SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
86 endif
87
88 JFFS2_BLOCKSIZE ?= 64k 128k
89
90 fs-types-$(CONFIG_TARGET_ROOTFS_SQUASHFS) += squashfs
91 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addprefix jffs2-,$(JFFS2_BLOCKSIZE))
92 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BLOCKSIZE))
93 fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
94 fs-types-$(CONFIG_TARGET_ROOTFS_ISO) += iso
95 fs-types-$(CONFIG_TARGET_ROOTFS_UBIFS) += ubifs
96 fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE)))
97
98 TARGET_FILESYSTEMS := $(fs-types-y)
99
100 FS_64K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-64k
101 FS_128K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-128k
102 FS_256K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-256k
103
104 define add_jffs2_mark
105         echo -ne '\xde\xad\xc0\xde' >> $(1)
106 endef
107
108 PROFILE_SANITIZED := $(call sanitize,$(PROFILE))
109
110 define split_args
111 $(foreach data, \
112         $(subst |,$(space),\
113                 $(subst $(space),^,$(1))), \
114         $(call $(2),$(strip $(subst ^,$(space),$(data)))))
115 endef
116
117 define build_cmd
118 $(if $(Build/$(word 1,$(1))),,$(error Missing Build/$(word 1,$(1))))
119 $(call Build/$(word 1,$(1)),$(wordlist 2,$(words $(1)),$(1)))
120
121 endef
122
123 define concat_cmd
124 $(call split_args,$(1),build_cmd)
125 endef
126
127 # pad to 4k, 8k, 16k, 64k, 128k, 256k and add jffs2 end-of-filesystem mark
128 define prepare_generic_squashfs
129         $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 16 64 128 256
130 endef
131
132 define Image/BuildKernel/Initramfs
133         $(call Image/Build/Initramfs)
134 endef
135
136 define Image/BuildKernel/MkuImage
137         mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
138                 -n '$(call toupper,$(ARCH)) LEDE Linux-$(LINUX_VERSION)' -d $(4) $(5)
139 endef
140
141 define Image/BuildKernel/MkFIT
142         $(TOPDIR)/scripts/mkits.sh \
143                 -D $(1) -o $(KDIR)/fit-$(1).its -k $(2) $(if $(3),-d $(3)) -C $(4) -a $(5) -e $(6) \
144                 -A $(ARCH) -v $(LINUX_VERSION)
145         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
146 endef
147
148 # $(1) source dts file
149 # $(2) target dtb file
150 # $(3) extra CPP flags
151 # $(4) extra DTC flags
152 define Image/BuildDTB
153         $(TARGET_CROSS)cpp -nostdinc -x assembler-with-cpp \
154                 -I$(DTS_DIR) \
155                 -I$(DTS_DIR)/include \
156                 -undef -D__DTS__ $(3) \
157                 -o $(2).tmp $(1)
158         $(LINUX_DIR)/scripts/dtc/dtc -O dtb \
159                 -i$(dir $(1)) $(4) \
160                 -o $(2) $(2).tmp
161         $(RM) $(2).tmp
162 endef
163
164 define Image/mkfs/jffs2/sub-raw
165         $(STAGING_DIR_HOST)/bin/mkfs.jffs2 \
166                 $(2) \
167                 -e $(patsubst %k,%KiB,$(1)) \
168                 -o $@ -d $(call mkfs_target_dir,$(3)) \
169                 -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
170 endef
171
172 define Image/mkfs/jffs2/sub
173         $(call Image/mkfs/jffs2/sub-raw,$(1),--pad $(2),$(3))
174         $(call add_jffs2_mark,$@)
175 endef
176
177 define Image/mkfs/jffs2/template
178   Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(JFFS2OPTS),$$(1))
179   Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(JFFS2OPTS),$$(1))
180
181 endef
182
183 define Image/mkfs/jffs2-nand/template
184   Image/mkfs/jffs2-nand-$(1) = \
185         $$(call Image/mkfs/jffs2/sub, \
186                 $(word 2,$(subst -, ,$(1))), \
187                         $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))),$$(1))
188
189 endef
190
191 $(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S))))
192 $(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S))))
193
194 define Image/mkfs/squashfs
195         $(STAGING_DIR_HOST)/bin/mksquashfs4 $(call mkfs_target_dir,$(1)) $@ \
196                 -nopad -noappend -root-owned \
197                 -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) \
198                 -processors $(if $(CONFIG_PKG_BUILD_JOBS),$(CONFIG_PKG_BUILD_JOBS),1) \
199                 $(if $(SOURCE_DATE_EPOCH),-fixed-time $(SOURCE_DATE_EPOCH))
200 endef
201
202 # $(1): board name
203 # $(2): rootfs type
204 # $(3): kernel image
205 ifneq ($(CONFIG_NAND_SUPPORT),)
206    define Image/Build/SysupgradeNAND
207         mkdir -p "$(KDIR_TMP)/sysupgrade-$(1)/"
208         echo "BOARD=$(1)" > "$(KDIR_TMP)/sysupgrade-$(1)/CONTROL"
209         [ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(1)/root"
210         [ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(1)/kernel"
211         (cd "$(KDIR_TMP)"; $(TAR) cvf \
212                 "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(1) \
213                         $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
214         )
215    endef
216
217 # $(1) board name
218 # $(2) ubinize-image options (e.g. --uboot-env and/or --kernel kernelimage)
219 # $(3) rootfstype (e.g. squashfs or ubifs)
220 # $(4) options to pass-through to ubinize (i.e. $($(PROFILE)_UBI_OPTS)))
221    define Image/Build/UbinizeImage
222         sh $(TOPDIR)/scripts/ubinize-image.sh $(2) \
223                 "$(KDIR)/root.$(3)" \
224                 "$(KDIR)/$(IMG_PREFIX)-$(1)-$(3)-ubinized.bin" \
225                 $(4)
226    endef
227
228 endif
229
230 define Image/mkfs/ubifs
231         $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
232                 $(UBIFS_OPTS) $(call param_unmangle,$(call param_get,fs,$(1))) \
233                 $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
234                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--force-compr=none) \
235                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--force-compr=lzo) \
236                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--force-compr=zlib) \
237                 $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
238                 --squash-uids \
239                 -o $@ -d $(call mkfs_target_dir,$(1))
240 endef
241
242 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
243
244 define Image/mkfs/ext4
245         $(STAGING_DIR_HOST)/bin/make_ext4fs \
246                 -l $(E2SIZE) -b $(CONFIG_TARGET_EXT4_BLOCKSIZE) \
247                 $(if $(CONFIG_TARGET_EXT4_RESERVED_PCT),-m $(CONFIG_TARGET_EXT4_RESERVED_PCT)) \
248                 $(if $(CONFIG_TARGET_EXT4_JOURNAL),,-J) \
249                 $(if $(SOURCE_DATE_EPOCH),-T $(SOURCE_DATE_EPOCH)) \
250                 $@ $(call mkfs_target_dir,$(1))/
251 endef
252
253 define Image/Manifest
254         $(STAGING_DIR_HOST)/bin/opkg \
255                 --offline-root $(TARGET_DIR) \
256                 --add-arch all:100 \
257                 --add-arch $(if $(ARCH_PACKAGES),$(ARCH_PACKAGES),$(BOARD)):200 list-installed > \
258                 $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED)).manifest
259 endef
260
261 ifdef CONFIG_TARGET_ROOTFS_TARGZ
262   define Image/Build/targz
263         $(TAR) -cp --numeric-owner --owner=0 --group=0 --sort=name \
264                 $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
265                 -C $(TARGET_DIR)/ . | gzip -9n > $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz
266   endef
267 endif
268
269 ifdef CONFIG_TARGET_ROOTFS_CPIOGZ
270   define Image/Build/cpiogz
271         ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9n >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
272   endef
273 endif
274
275 mkfs_packages = $(filter-out @%,$(PACKAGES_$(call param_get,pkg,pkg=$(target_params))))
276 mkfs_packages_add = $(filter-out -%,$(mkfs_packages))
277 mkfs_packages_remove = $(patsubst -%,%,$(filter -%,$(mkfs_packages)))
278 mkfs_cur_target_dir = $(call mkfs_target_dir,pkg=$(target_params))
279
280 opkg_target = \
281         $(call opkg,$(mkfs_cur_target_dir)) \
282                 -f $(mkfs_cur_target_dir).conf
283
284 target-dir-%: FORCE
285         rm -rf $(mkfs_cur_target_dir) $(mkfs_cur_target_dir).opkg
286         $(CP) $(TARGET_DIR_ORIG) $(mkfs_cur_target_dir)
287         -mv $(mkfs_cur_target_dir)/etc/opkg $(mkfs_cur_target_dir).opkg
288         echo 'src default file://$(PACKAGE_DIR_ALL)' > $(mkfs_cur_target_dir).conf
289         $(if $(mkfs_packages_remove), \
290                 -$(call opkg,$(mkfs_cur_target_dir)) remove \
291                         $(mkfs_packages_remove))
292         $(if $(call opkg_package_files,$(mkfs_packages_add)), \
293                 $(opkg_target) update && \
294                 $(opkg_target) install \
295                         $(call opkg_package_files,$(mkfs_packages_add)))
296         $(call prepare_rootfs,$(mkfs_cur_target_dir))
297         -mv $(mkfs_cur_target_dir).opkg $(mkfs_cur_target_dir)/etc/opkg
298         rm -f $(mkfs_cur_target_dir).conf
299
300 $(KDIR)/root.%: kernel_prepare
301         $(call Image/mkfs/$(word 1,$(target_params)),$(target_params))
302
303 define Device/InitProfile
304   PROFILES := $(PROFILE)
305   DEVICE_TITLE :=
306   DEVICE_PACKAGES :=
307   DEVICE_DESCRIPTION = Build firmware images for $$(DEVICE_TITLE)
308 endef
309
310 define Device/Init
311   DEVICE_NAME := $(1)
312   KERNEL:=
313   KERNEL_INITRAMFS = $$(KERNEL)
314   KERNEL_SIZE:=
315   CMDLINE:=
316
317   IMAGES :=
318   IMAGE_PREFIX := $(IMG_PREFIX)-$(1)
319   IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1)-$$(2)
320   KERNEL_PREFIX = $$(IMAGE_PREFIX)
321   KERNEL_SUFFIX := -kernel.bin
322   KERNEL_INITRAMFS_SUFFIX = $$(KERNEL_SUFFIX)
323   KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
324   KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs
325   KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_INITRAMFS_SUFFIX)
326   KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs
327   KERNEL_INSTALL :=
328   KERNEL_NAME := vmlinux
329   KERNEL_DEPENDS :=
330   KERNEL_SIZE :=
331
332   UBOOTENV_IN_UBI :=
333   KERNEL_IN_UBI :=
334   BLOCKSIZE :=
335   PAGESIZE :=
336   SUBPAGESIZE :=
337   VID_HDR_OFFSET :=
338   UBINIZE_OPTS :=
339   UBINIZE_PARTS :=
340   MKUBIFS_OPTS :=
341
342   FS_OPTIONS/ubifs = $$(MKUBIFS_OPTS)
343
344   DEVICE_DTS :=
345   DEVICE_DTS_DIR :=
346
347   BOARD_NAME :=
348   UIMAGE_NAME :=
349   SUPPORTED_DEVICES :=
350   IMAGE_METADATA :=
351
352   FILESYSTEMS := $(TARGET_FILESYSTEMS)
353 endef
354
355 DEFAULT_DEVICE_VARS := \
356   DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_SIZE KERNEL_INITRAMFS_IMAGE \
357   DEVICE_DTS DEVICE_DTS_DIR BOARD_NAME CMDLINE \
358   UBOOTENV_IN_UBI KERNEL_IN_UBI \
359   BLOCKSIZE PAGESIZE SUBPAGESIZE VID_HDR_OFFSET \
360   UBINIZE_OPTS UIMAGE_NAME UBINIZE_PARTS \
361   SUPPORTED_DEVICES IMAGE_METADATA
362
363 define Device/ExportVar
364   $(1) : $(2):=$$($(2))
365
366 endef
367 define Device/Export
368   $(foreach var,$(DEVICE_VARS) $(DEFAULT_DEVICE_VARS),$(call Device/ExportVar,$(1),$(var)))
369   $(1) : FILESYSTEM:=$(2)
370 endef
371
372 ifdef IB
373   DEVICE_CHECK_PROFILE = $(filter $(1),DEVICE_$(PROFILE) $(PROFILE))
374 else
375   DEVICE_CHECK_PROFILE = $(CONFIG_TARGET_$(if $(CONFIG_TARGET_MULTI_PROFILE),DEVICE_)$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_$(1))
376 endif
377
378 DEVICE_EXTRA_PACKAGES = $(call qstrip,$(CONFIG_TARGET_DEVICE_PACKAGES_$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_DEVICE_$(1)))
379
380 define merge_packages
381   $(1) :=
382   $(foreach pkg,$(2),
383     $(1) := $$(strip $$(filter-out -$$(patsubst -%,%,$(pkg)) $$(patsubst -%,%,$(pkg)),$$($(1))) $(pkg))
384   )
385 endef
386
387 define Device/Check/Common
388   _PROFILE_SET = $$(strip $$(foreach profile,$$(PROFILES) DEVICE_$(1),$$(call DEVICE_CHECK_PROFILE,$$(profile))))
389   ifdef TARGET_PER_DEVICE_ROOTFS
390     $$(eval $$(call merge_packages,_PACKAGES,$$(DEVICE_PACKAGES) $$(call DEVICE_EXTRA_PACKAGES,$(1))))
391     ROOTFS_ID/$(1) := $$(if $$(_PROFILE_SET),$$(call mkfs_packages_id,$$(_PACKAGES)))
392     PACKAGES_$$(ROOTFS_ID/$(1)) := $$(_PACKAGES)
393   endif
394 endef
395
396 define Device/Check
397   $(Device/Check/Common)
398   KDIR_KERNEL_IMAGE := $(KDIR)/$(1)$$(KERNEL_SUFFIX)
399   _TARGET := $$(if $$(_PROFILE_SET),install-images,install-disabled)
400   ifndef IB
401     _COMPILE_TARGET := $$(if $(CONFIG_IB)$$(_PROFILE_SET),compile,compile-disabled)
402   endif
403 endef
404
405 ifndef IB
406 define Device/Build/initramfs
407   $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
408   $$(_TARGET): $$(if $$(KERNEL_INITRAMFS),$(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE))
409
410   $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare
411   $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
412         cp $$^ $$@
413
414   $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS)
415         @rm -f $$@
416         $$(call concat_cmd,$$(KERNEL_INITRAMFS))
417 endef
418 endif
419
420 define Device/Build/compile
421   $$(_COMPILE_TARGET): $(KDIR)/$(1)
422   $(eval $(call Device/Export,$(KDIR)/$(1)))
423   $(KDIR)/$(1):
424         $$(call concat_cmd,$(COMPILE/$(1)))
425
426 endef
427
428 define Device/Build/kernel
429   $(KDIR)/$$(KERNEL_NAME):: image_prepare
430   $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE))
431   $(call Device/Export,$$(KDIR_KERNEL_IMAGE),$(1))
432   $(BIN_DIR)/$$(KERNEL_IMAGE): $$(KDIR_KERNEL_IMAGE)
433         cp $$^ $$@
434   ifndef IB
435     ifdef CONFIG_IB
436       install: $$(KDIR_KERNEL_IMAGE)
437     endif
438     $$(KDIR_KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS)
439         @rm -f $$@
440         $$(call concat_cmd,$$(KERNEL))
441         $$(if $$(KERNEL_SIZE),$$(call Build/check-size,$$(KERNEL_SIZE)))
442   endif
443 endef
444
445 define Device/Build/image
446   $$(_TARGET): $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
447   $(eval $(call Device/Export,$(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)),$(1)))
448   ROOTFS/$(1)/$(3) := \
449         $(KDIR)/root.$(1)$$(strip \
450                 $$(if $$(FS_OPTIONS/$(1)),+fs=$$(call param_mangle,$$(FS_OPTIONS/$(1)))) \
451         )$$(strip \
452                 $(if $(TARGET_PER_DEVICE_ROOTFS),+pkg=$$(ROOTFS_ID/$(3))) \
453         )
454   ifndef IB
455     $$(ROOTFS/$(1)/$(3)): $(if $(TARGET_PER_DEVICE_ROOTFS),target-dir-$$(ROOTFS_ID/$(3)))
456   endif
457   $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)): $$(KDIR_KERNEL_IMAGE) $$(ROOTFS/$(1)/$(3))
458         @rm -f $$@
459         [ -f $$(word 1,$$^) -a -f $$(word 2,$$^) ]
460         $$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2))))
461
462   .IGNORE: $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
463   $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
464         cp $$^ $$@
465
466 endef
467
468 define Device/Build
469   $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
470   $(call Device/Build/kernel,$(1))
471
472   $$(eval $$(foreach compile,$$(COMPILE), \
473     $$(call Device/Build/compile,$$(compile),$(1))))
474
475   $$(eval $$(foreach image,$$(IMAGES), \
476     $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \
477       $$(call Device/Build/image,$$(fs),$$(image),$(1)))))
478 endef
479
480 define Device/DumpInfo
481 Target-Profile: DEVICE_$(1)
482 Target-Profile-Name: $(DEVICE_TITLE)
483 Target-Profile-Packages: $(DEVICE_PACKAGES)
484 Target-Profile-Description:
485 $(DEVICE_DESCRIPTION)
486 @@
487
488 endef
489
490 define Device/Dump
491 $$(eval $$(if $$(DEVICE_TITLE),$$(info $$(call Device/DumpInfo,$(1)))))
492 endef
493
494 define Device
495   $(call Device/InitProfile,$(1))
496   $(call Device/Init,$(1))
497   $(call Device/Default,$(1))
498   $(call Device/$(1),$(1))
499   $(call Device/Check,$(1))
500   $(call Device/$(if $(DUMP),Dump,Build),$(1))
501
502 endef
503
504 define BuildImage
505
506   ifneq ($(DUMP),)
507     all: dumpinfo
508     dumpinfo: FORCE
509         @true
510   endif
511
512   download:
513   prepare:
514   compile:
515   clean:
516   legacy-images-prepare:
517   legacy-images:
518   image_prepare:
519
520   ifeq ($(IB),)
521     .PHONY: download prepare compile clean image_prepare kernel_prepare install install-images
522     compile:
523                 $(call Build/Compile)
524
525     clean:
526                 $(call Build/Clean)
527
528     image_prepare: compile
529                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
530                 $(call Image/Prepare)
531
532     legacy-images-prepare-make: image_prepare
533                 $(MAKE) legacy-images-prepare
534
535   else
536     image_prepare:
537                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
538   endif
539
540   kernel_prepare: image_prepare
541         $(call Image/Build/targz)
542         $(call Image/Build/cpiogz)
543         $(call Image/BuildKernel)
544         $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(if $(IB),,$(call Image/BuildKernel/Initramfs)))
545         $(call Image/InstallKernel)
546
547   $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))
548   $(foreach device,$(LEGACY_DEVICES),$(call LegacyDevice,$(device)))
549
550   install-images: kernel_prepare $(foreach fs,$(filter-out $(if $(UBIFS_OPTS),,ubifs),$(TARGET_FILESYSTEMS) $(fs-subtypes-y)),$(KDIR)/root.$(fs))
551         $(foreach fs,$(TARGET_FILESYSTEMS),
552                 $(call Image/Build,$(fs))
553         )
554
555   legacy-images-make: install-images
556         $(call Image/mkfs/ubifs/legacy)
557         $(MAKE) legacy-images
558
559   install: install-images
560         $(call Image/Manifest)
561
562 endef