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meta-arm/meta-arm-autonomy/classes/kernel-xenguest.bbclass
Nathan Dunne 7c1cb547b9 arm-autonomy/xenguest: Generate xenguest.env containing variable values
Added task "do_deploy_xenguestenv" to xenguest_image.bbclass which creates
intermediary files for each recipe that inherits xenguest_image. These files
are merged into the main xenguest.env file in DEPLOY_DIR_IMAGE by the task
"do_merge_xenguestenv" in image_types_xenguest.bbclass, which has a dependency
on all do_deploy_xenguestenv in recipes it depends on.

Variables to write to the file are listed in XENGUEST_IMAGE_VARS, and any
extra variables in child recipes should be added to XENGUEST_IMAGE_VARS_EXTRA

xenguest-image had to be renamed xenguest_image to use EXPORT, since dash is
illegal in bash function names.

Issue-Id: SCM-2035
Signed-off-by: Nathan Dunne <Nathan.Dunne@arm.com>
Change-Id: I6fe45b8a5db6eb7a757c6150515da0b4de8a7205
Signed-off-by: Jon Mason <jon.mason@arm.com>
2021-03-11 09:26:19 -05:00

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# Create a xenguest image containing the kernel with initramfs when
# initramfs is activated
# This is done using kernel-fitimage as model
# To activate this, kernel-xenguest must be added to KERNEL_CLASSES
# Add a variable name to XENGUEST_IMAGE_VARS_EXTRA if you want it to
# appear in xenguest.env when the image is deployed
inherit xenguest_image
# use a local copy to pack all together
XENGUEST_IMAGE_DEPLOY_DIR = "${WORKDIR}/tmp-xenguest"
python __anonymous () {
# only if xenguest image type is present
if bb.utils.contains('IMAGE_FSTYPES', 'xenguest', '1', '0', d):
# only if initramfs bundle is activated
if d.getVar('INITRAMFS_IMAGE') and d.getVar('INITRAMFS_IMAGE_BUNDLE') == "1":
if not bb.utils.contains('KERNEL_IMAGETYPES', 'Image', '1', '0', d):
bb.fatal("xenguest image type with initramfs require Image kernel image type")
bb.build.addtask('do_assemble_xenguest_initramfs', 'do_deploy', 'do_bundle_initramfs', d)
}
do_assemble_xenguest_initramfs() {
xenguest_image_clone
call_xenguest_mkimage partial --xen-kernel=${B}/${KERNEL_OUTPUT_DIR}/Image.initramfs
rm -f ${B}/${KERNEL_OUTPUT_DIR}/Image-initramfs.xenguest
call_xenguest_mkimage pack ${B}/${KERNEL_OUTPUT_DIR}/Image-initramfs.xenguest
}
do_assemble_xenguest_initramfs[depends] += "${INITRAMFS_IMAGE}:do_merge_xenguestenv"
kernel_do_deploy_append() {
if [ -f "${B}/${KERNEL_OUTPUT_DIR}/Image-initramfs.xenguest" ]; then
install -m 0644 ${B}/${KERNEL_OUTPUT_DIR}/Image-initramfs.xenguest "$deployDir/Image-${INITRAMFS_NAME}.xenguest"
ln -snf Image-${INITRAMFS_NAME}.xenguest $deployDir/Image-${INITRAMFS_LINK_NAME}.xenguest
fi
}