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- # SPDX-License-Identifier: GPL-2.0-only
- include $(TOPDIR)/rules.mk
- include $(INCLUDE_DIR)/image.mk
- define Build/boot-img
- $(RM) -rf [email protected]
- mkdir -p [email protected]/boot
- $(CP) [email protected] [email protected]/boot/boot.scr
- $(CP) $(KDIR)/image-$(firstword $(DEVICE_DTS)).dtb [email protected]/boot/$(DEVICE_DTB)
- $(CP) $(IMAGE_KERNEL) [email protected]/boot/uImage
- genext2fs --block-size $(BLOCKSIZE:%k=%Ki) \
- --size-in-blocks $$((1024 * $(CONFIG_TARGET_KERNEL_PARTSIZE))) \
- --root [email protected] [email protected]
- # convert it to revision 1 - needed for u-boot ext2load
- $(STAGING_DIR_HOST)/bin/tune2fs -O filetype [email protected]
- # Ignore errors because file system was intentionally broken with tune2fs
- -$(STAGING_DIR_HOST)/bin/e2fsck -pDf [email protected] > /dev/null
- endef
- define Build/boot-script
- $(STAGING_DIR_HOST)/bin/mkimage -A powerpc -T script -C none -n "$(PROFILE) Boot Script" \
- -d mbl_boot.scr \
- [email protected]
- endef
- define Build/export-dtb
- cp $(KDIR)/image-$(firstword $(DEVICE_DTS)).dtb $@
- endef
- define Build/MuImage-initramfs
- rm -rf [email protected] [email protected]
- dd if=/dev/zero [email protected] bs=32 count=1 conv=sync
- # Netgear used an old uboot that doesn't have FIT support.
- # So we are stuck with either a full ext2/4 fs in a initrd.
- # ... or we try to make the "multi" image approach to work
- # for us.
- #
- # Sadly, the "multi" image has to consists of three
- # "fixed" parts in the following "fixed" order:
- # 1. The kernel which is in $@
- # 2. The (fake) initrd which is in [email protected]
- # 3. The device tree binary which is in [email protected]
- #
- # Now, given that we use the function for the kernel which
- # already has a initramfs image inside, we still have to
- # add a "fake" initrd (which a mkimage header) in the second
- # part of the legacy multi image. Since we need to put the
- # device tree stuff into part 3.
- -$(STAGING_DIR_HOST)/bin/mkimage -A $(LINUX_KARCH) -O linux -T multi -C $(1) \
- -a $(KERNEL_LOADADDR) -e $(KERNEL_ENTRY) -n '$(BOARD_NAME) initramfs' \
- -d $@:[email protected]:$(KDIR)/image-$(firstword $(DEVICE_DTS)).dtb [email protected]
- mv [email protected] $@
- rm -rf [email protected]
- endef
- define Build/prepend-dtb
- cat "$(KDIR)/image-$(firstword $(DEVICE_DTS)).dtb" "$@" > "[email protected]"
- mv "[email protected]" "$@"
- endef
- define Image/cpiogz
- ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9n >$(KDIR_TMP)/$(IMG_PREFIX)-rootfs.cpio.gz )
- endef
- define Device/Default
- PROFILES := Default
- KERNEL_DEPENDS = $$(wildcard ../dts/$$(DEVICE_DTS).dts)
- DEVICE_DTS :=
- KERNEL_ENTRY := 0x00000000
- KERNEL_LOADADDR := 0x00000000
- DEVICE_DTS_DIR := ../dts
- DEVICE_DTS = $(subst _,-,$(1))
- endef
- include $(SUBTARGET).mk
- $(eval $(call BuildImage))
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