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image-vm.bbclass: support specifying an initramfs

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Set INITRD_IMAGE to automatically add a custom initramfs to the boot
partition.

(From OE-Core rev: 7fa76bd923fd643cf0984077321d6064d8ec3a2b)

Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Patrick Ohly
2015-09-03 20:42:31 +02:00
committed by Richard Purdie
parent 95bfdce73d
commit 5d79814b0b
1 changed files with 5 additions and 0 deletions
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meta/classes/image-vm.bbclass
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@@ -3,6 +3,11 @@ SYSLINUX_PROMPT ?= "0"
SYSLINUX_LABELS = "boot"
LABELS_append = " ${SYSLINUX_LABELS} "
# Using an initramfs is optional. Enable it by setting INITRD_IMAGE.
INITRD_IMAGE ?= ""
INITRD ?= "${@'${DEPLOY_DIR_IMAGE}/${INITRD_IMAGE}-${MACHINE}.cpio.gz' if '${INITRD_IMAGE}' else ''}"
do_bootdirectdisk[depends] += "${@'${INITRD_IMAGE}:do_rootfs' if '${INITRD_IMAGE}' else ''}"
# need to define the dependency and the ROOTFS for directdisk
do_bootdirectdisk[depends] += "${PN}:do_rootfs"
ROOTFS ?= "${DEPLOY_DIR_IMAGE}/${IMAGE_BASENAME}-${MACHINE}.ext4"