[meta-intel] [PATCH V2 0/5] Combo app + secure boot support

[California Sullivan]

Thanks for all the feedback in the last round. Here's the gist of what's
changed with V2:

* Took most of Mikko's simplified app creation. Thanks!
* Dropped multiple apps support. This was complicated and confusing.
* Made the initrd optional.
* Fixed the circular dependency on INITRD_IMAGE, allowing this to be
  used as either an IMAGE_CLASSES or EFI_PROVIDER target.
* Fixed issue where INITRD_IMAGE would be added to the initrd twice in
  some cases.
* Set up proper dependency chain, making the flow more understandable IMO.
* Added a new generic-bootdisk.wks.in file, which works with the app.
* Set a default UUID in global context, letting the wks template and app
  work together out of the box.
* Cleaned up or removed many comments
* Dropped the stub command line enhancement. I need to rebase this against
  our current systemd-boot recipe, and should post this upstream, but
  getting the comboapp in before M2 comes first.

With the new version, you can set either EFI_PROVIDER = "uefi-comboapp" or
IMAGE_CLASSES += "uefi-comboapp" and it will work.

The wic image needs WKS_FILE = "generic-bootdisk.wks.in", and due to the
limitation in the initrd I mentioned last time around, you must disable
the initrd via INITRD_IMAGE = "" and INITRD_LIVE = "" (or setting to your
own custom initrd). Wei Tee is working on improving the default initrd,
and this won't be necessary in the future.

Please let me know what you think!

Thanks,
Cal

California Sullivan (5):
  systemd-boot_%.bbappend: compile and deploy EFI stub
  recipes: move sbsigntool from refkit to meta-intel
  classes: Add uefi-comboapp bbclass
  canned-wks: add generic-bootdisk kickstart template
  meta-intel.inc: Set default DISK_SIGNATURE_UUID

 classes/uefi-comboapp.bbclass                      | 155 +++++++++++++++++++++
 .../systemd-boot/systemd-boot_%.bbappend           |   8 ++
 .../sbsigntool/sbsigntool-native_git.bb            |  74 ++++++++++
 conf/machine/include/meta-intel.inc                |   2 +
 scripts/lib/wic/canned-wks/generic-bootdisk.wks.in |   6 +
 5 files changed, 245 insertions(+)
 create mode 100644 classes/uefi-comboapp.bbclass
 create mode 100644 common/recipes-support/sbsigntool/sbsigntool-native_git.bb
 create mode 100644 scripts/lib/wic/canned-wks/generic-bootdisk.wks.in

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2.9.4