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arm-autonomy/xenguest: Generate xenguest.env containing variable values

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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>
This commit is contained in:
Nathan Dunne
2021-03-10 17:32:52 +00:00
committed by Jon Mason
parent 4865c69658
commit 7c1cb547b9
8 changed files with 147 additions and 22 deletions
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meta-arm-autonomy/documentation/arm-autonomy-multiconfig.md
+1 -1
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@@ -78,7 +78,7 @@ MC_GUEST_FILENAME_PREFIX = "${@ 'Image-initramfs' if d.getVar('MC_GUEST_INITRAMF
MC_GUEST_FILENAME = "${MC_GUEST_FILENAME_PREFIX}-${MC_GUEST_MACHINE}.xenguest"
MC_GUEST_DEP = "${@ 'virtual/kernel:do_deploy' if d.getVar('MC_GUEST_INITRAMFS_IMAGE_BUNDLE',d) else '${MC_GUEST_IMAGERECIPE}:do_image_complete'}"
MC_GUEST_DEP = "${@ 'virtual/kernel:do_deploy' if d.getVar('MC_GUEST_INITRAMFS_IMAGE_BUNDLE',d) else '${MC_GUEST_IMAGERECIPE}:do_merge_xenguestenv'}"
MC_DOIMAGE_MCDEPENDS += "mc:${MC_HOST}:${MC_GUEST}:${MC_GUEST_DEP} "
meta-arm-autonomy/documentation/arm-autonomy-quickstart.md
+2 -1
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@@ -142,7 +142,8 @@ To create a guest project:
For example `bitbake core-image-minimal`
The build will create a ".xenguest" image that can be use on an host project
with the xenguest-manager.
with the xenguest-manager, as well as a file "xenguest.env" containing the
variables used to configure the guest image.
The guest can also be built as a 'multiconfig' sub project of the host, see
`meta-arm-autonomy/documentation/arm-autonomy-multiconfig.md` for more information