build: centralize fakeroot code
This patch moves the fakeroot code required by some devices to `image-commands.mk`. Create the fakeroot on the fly by using the undocumented -s (skip copy) parameter of mkimage. Signed-off-by: Joseph C. Lehner <joseph.c.lehner@gmail.com> [remove unused NETGEAR_KERNEL_MAGIC, remove workarounds to have a dummy rootfs for mkimage] Signed-off-by: Mathias Kresin <dev@kresin.me>
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5 changed files with 19 additions and 32 deletions
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@ -62,6 +62,18 @@ define Build/netgear-dni
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mv $@.new $@
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endef
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# append a fake/empty rootfs uImage header, to fool the bootloaders
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# rootfs integrity check
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define Build/append-uImage-fakeroot-hdr
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rm -f $@.fakeroot
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$(STAGING_DIR_HOST)/bin/mkimage \
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-A $(LINUX_KARCH) -O linux -T filesystem -C none \
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-n '$(call toupper,$(LINUX_KARCH)) LEDE fakeroot' \
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-s \
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$@.fakeroot
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cat $@.fakeroot >> $@
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endef
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define Build/tplink-safeloader
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-$(STAGING_DIR_HOST)/bin/tplink-safeloader \
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-B $(TPLINK_BOARD_NAME) \
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@ -143,10 +155,6 @@ define Build/append-rootfs
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dd if=$(IMAGE_ROOTFS) >> $@
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endef
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define Build/append-file
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cat "$(1)" >> "$@"
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endef
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define Build/append-ubi
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sh $(TOPDIR)/scripts/ubinize-image.sh \
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$(if $(UBOOTENV_IN_UBI),--uboot-env) \
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@ -129,23 +129,6 @@ define Build/create-uImage-dtb
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@mv $@.new $@
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endef
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define Build/append-fakerootfs
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rm -rf $@.fakerootsquashfs $@.fakefs
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# append a fake/empty rootfs to fool netgear's uboot
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# CHECK_DNI_FIRMWARE_ROOTFS_INTEGRITY in do_chk_dniimg()
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dd if=/dev/zero of=$@.fakerd bs=16 count=1 conv=sync
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-$(STAGING_DIR_HOST)/bin/mkimage \
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-A $(LINUX_KARCH) -O linux -T filesystem -C none \
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-a 0x00000000 -e 0x00000000 \
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-n '$(DEVICE_PROFILE) fakerootfs' \
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-d $@.fakerd $@.fakefs
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cat $@.fakefs >> $@
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rm -rf $@.fakerootsquashfs $@.fakefs
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endef
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define Build/wndr4700-specialImage
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rm -rf $@.fakerd $@.new
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@ -192,7 +175,8 @@ define Device/WNDR4700
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IMAGE_SIZE := 24960k
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IMAGES := factory.img sysupgrade.tar kernel.dtb
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KERNEL_SIZE := 1920k
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KERNEL := dtb | kernel-bin | lzma | uImage lzma | pad-offset $$(BLOCKSIZE) 64 | append-fakerootfs
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KERNEL := dtb | kernel-bin | lzma | uImage lzma | pad-offset $$(BLOCKSIZE) 64 | \
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append-uImage-fakeroot-hdr
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KERNEL_INITRAMFS := kernel-bin | gzip | dtb | wndr4700-specialImage gzip
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IMAGE/factory.img := create-uImage-dtb | append-kernel | pad-to 2M | append-ubi | \
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netgear-dni | check-size $$$$(IMAGE_SIZE)
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@ -9,12 +9,6 @@ KERNEL_LOADADDR := 0x42208000
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define Image/Prepare
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$(CP) $(LINUX_DIR)/vmlinux $(KDIR)/$(IMG_PREFIX)-vmlinux.elf
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mkimage -A arm -O linux -T filesystem -C none \
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-a $(KERNEL_LOADADDR) -e $(KERNEL_LOADADDR) \
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-n 'ARM OpenWrt fakeroot' \
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-s $(KDIR_TMP)/root.dummy-uImage.tmp
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echo -ne '\xff' > $(KDIR_TMP)/root.dummy
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cat $(KDIR_TMP)/root.dummy $(KDIR_TMP)/root.dummy-uImage.tmp > $(KDIR)/root.dummy
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endef
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define Image/BuildKernel
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@ -64,7 +58,8 @@ define Device/DniImage
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FILESYSTEMS := squashfs
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KERNEL_SUFFIX := -uImage
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KERNEL_INITRAMFS := kernel-bin | append-dtb | uImage none
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KERNEL = kernel-bin | append-dtb | pad-to $$$$(($$(KERNEL_SIZE)-2*64-1)) | uImage none | append-file $(KDIR)/root.dummy
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KERNEL = kernel-bin | append-dtb | uImage none | pad-offset $$(KERNEL_SIZE) 64 | \
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append-uImage-fakeroot-hdr
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KERNEL_NAME := zImage
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NETGEAR_BOARD_ID :=
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NETGEAR_HW_ID :=
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@ -161,7 +156,7 @@ define Device/EA8500
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BLOCKSIZE := 128k
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KERNEL_SIZE := 3072k
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FILESYSTEMS := squashfs
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KERNEL = kernel-bin | append-dtb | uImage none | append-file $(KDIR)/root.dummy
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KERNEL = kernel-bin | append-dtb | uImage none | append-uImage-fakeroot-hdr
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PROFILES += $$(DEVICE_NAME)
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BOARD_NAME := ea8500
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UBINIZE_OPTS := -E 5
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@ -58,7 +58,7 @@ define Device/ex2700
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BLOCKSIZE := 4k
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IMAGE_SIZE := $(ralink_default_fw_size_4M)
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IMAGES += factory.bin
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KERNEL := $(KERNEL_DTB) | uImage lzma | pad-offset 64k 64 | append-file netgear-fake-uImage-hdr.bin
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KERNEL := $(KERNEL_DTB) | uImage lzma | pad-offset 64k 64 | append-uImage-fakeroot-hdr
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IMAGE/factory.bin := $$(sysupgrade_bin) | check-size $$$$(IMAGE_SIZE) | \
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netgear-dni
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DEVICE_TITLE := Netgear EX2700
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@ -71,7 +71,7 @@ define Device/wn3000rpv3
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DTS := WN3000RPV3
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BLOCKSIZE := 4k
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IMAGES += factory.bin
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KERNEL := $(KERNEL_DTB) | uImage lzma | pad-offset 64k 64 | append-file netgear-fake-uImage-hdr.bin
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KERNEL := $(KERNEL_DTB) | uImage lzma | pad-offset 64k 64 | append-uImage-fakeroot-hdr
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IMAGE/factory.bin := $$(sysupgrade_bin) | check-size $$$$(IMAGE_SIZE) | \
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netgear-dni
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DEVICE_TITLE := Netgear WN3000RPv3
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