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- #
- # 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 $(INCLUDE_DIR)/host.mk
- override MAKE:=$(_SINGLE)$(SUBMAKE)
- override NO_TRACE_MAKE:=$(_SINGLE)$(NO_TRACE_MAKE)
- KDIR=$(KERNEL_BUILD_DIR)
- DTS_DIR:=$(LINUX_DIR)/arch/$(ARCH)/boot/dts/
- IMG_PREFIX:=librecmc-$(BOARD)$(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 := $(CONFIG_TARGET_SQUASHFS_BLOCK_SIZE)k
- 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) $(BCJ_FILTER)
- endif
- JFFS2_BLOCKSIZE ?= 64k 128k
- fs-types-$(CONFIG_TARGET_ROOTFS_SQUASHFS) += squashfs
- fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addprefix jffs2-,$(JFFS2_BLOCKSIZE))
- fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BLOCKSIZE))
- fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
- fs-types-$(CONFIG_TARGET_ROOTFS_ISO) += iso
- fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE)))
- fs-subtypes-$(CONFIG_TARGET_ROOTFS_CPIOGZ) += cpiogz
- fs-subtypes-$(CONFIG_TARGET_ROOTFS_TARGZ) += targz
- TARGET_FILESYSTEMS := $(fs-types-y)
- 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
- define Image/BuildKernel/Initramfs
- cp $(KDIR)/vmlinux-initramfs.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux-initramfs.elf
- $(call Image/Build/Initramfs)
- endef
- define Image/BuildKernel/MkuImage
- mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
- -n '$(call toupper,$(ARCH)) libreCMC Linux-$(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
- $(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 '/^.+$$$$/'
- $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(2))
- endef
- define Image/mkfs/jffs2/sub-raw
- $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2)-raw -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
- endef
- define Image/mkfs/jffs2/template
- Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(1),$(JFFS2OPTS))
- Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(1),$(JFFS2OPTS))
- endef
- define Image/mkfs/jffs2-nand/template
- Image/mkfs/jffs2-nand-$(1) = \
- $$(call Image/mkfs/jffs2/sub, \
- $(word 2,$(subst -, ,$(1))),nand-$(1), \
- $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))))
- endef
- $(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S))))
- $(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S))))
- define Image/mkfs/squashfs
- $(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)
- endef
- # $(1): board name
- # $(2): rootfs type
- # $(3): kernel image
- ifneq ($(CONFIG_NAND_SUPPORT),)
- define Image/Build/SysupgradeNAND
- mkdir -p "$(KDIR_TMP)/sysupgrade-$(1)/"
- echo "BOARD=$(1)" > "$(KDIR_TMP)/sysupgrade-$(1)/CONTROL"
- [ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(1)/root"
- [ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(1)/kernel"
- (cd "$(KDIR_TMP)"; $(TAR) cvf \
- "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(1))
- endef
- # $(1) board name
- # $(2) ubinize-image options (e.g. --uboot-env and/or --kernel kernelimage)
- # $(3) rootfstype (e.g. squashfs or ubifs)
- # $(4) options to pass-through to ubinize (i.e. $($(PROFILE)_UBI_OPTS)))
- define Image/Build/UbinizeImage
- sh $(TOPDIR)/scripts/ubinize-image.sh $(2) \
- "$(KDIR)/root.$(3)" \
- "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(3)-ubinized.bin" \
- $(4)
- endef
- endif
- ifneq ($(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
- define Image/mkfs/cpiogz
- ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
- endef
- define Image/mkfs/targz
- $(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE),-$(PROFILE))-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
- endef
- E2SIZE=$(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
- endef
- 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 $(TARGET_DIR)/overlay
- chmod 1777 $(TARGET_DIR)/tmp
- endef
- define Image/mkfs/prepare
- $(call Image/mkfs/prepare/default)
- endef
- define Image/Checksum
- ( cd ${BIN_DIR} ; \
- $(FIND) -maxdepth 1 -type f \! -name 'md5sums' -printf "%P\n" | sort | xargs \
- md5sum --binary > md5sums \
- )
- endef
- define BuildImage/mkfs
- install: mkfs-$(1)
- .PHONY: mkfs-$(1)
- mkfs-$(1): mkfs_prepare
- $(Image/mkfs/$(1))
- endef
- define BuildImage
- download:
- prepare:
- compile:
- clean:
- image_prepare:
- ifeq ($(IB),)
- .PHONY: download prepare compile clean image_prepare mkfs_prepare kernel_prepare install
- compile:
- $(call Build/Compile)
- clean:
- $(call Build/Clean)
- image_prepare: compile
- $(call Image/Prepare)
- endif
- mkfs_prepare: image_prepare
- $(call Image/mkfs/prepare)
- kernel_prepare: mkfs_prepare
- $(call Image/BuildKernel)
- $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Image/BuildKernel/Initramfs))
- $(call Image/InstallKernel)
- $(foreach fs,$(TARGET_FILESYSTEMS) $(fs-subtypes-y),$(call BuildImage/mkfs,$(fs)))
- install: kernel_prepare
- $(foreach fs,$(TARGET_FILESYSTEMS),
- $(call Image/Build,$(fs))
- )
- $(call Image/mkfs/ubifs)
- $(call Image/Checksum)
- endef
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