[Bug 1435663] [NEW] arm64/efi support

[dann frazier]

Public bug reported:

[Impact]
It is currently not possible to install EFI-based arm64 systems.

[Test Case]
Install an arm64 system with d-i. On reboot you should have a new "ubuntu" entry in the EFI boot menu that starts GRUB and boots into Linux. This can be tested in QEMU if hardware is not available:
  https://wiki.ubuntu.com/ARM64/QEMU
Note that kernel support is also required, so you'll need to use an LTS Enablement kernel. 

[Regression Risk]
Most of the required changes involve enabling builds/backporting code that will only run on previously-unsupported systems. The biggest risk I see is in breaking previously-supported arm64 systems - luckily there's only a few of those and we can test them.

** Affects: efibootmgr (Ubuntu)
     Importance: Undecided
         Status: Fix Released

** Affects: grub-installer (Ubuntu)
     Importance: Undecided
         Status: Fix Released

** Affects: grub2 (Ubuntu)
     Importance: Undecided
         Status: Fix Released

** Affects: libdebian-installer (Ubuntu)
     Importance: Undecided
         Status: Fix Released

** Affects: partman-auto (Ubuntu)
     Importance: Undecided
         Status: Fix Released

** Affects: partman-efi (Ubuntu)
     Importance: Undecided
         Status: Fix Released

** Affects: efibootmgr (Ubuntu Trusty)
     Importance: Undecided
     Assignee: dann frazier (dannf)
         Status: Triaged

** Affects: grub-installer (Ubuntu Trusty)
     Importance: Undecided
     Assignee: dann frazier (dannf)
         Status: Confirmed

** Affects: grub2 (Ubuntu Trusty)
     Importance: Undecided
     Assignee: dann frazier (dannf)
         Status: Confirmed

** Affects: libdebian-installer (Ubuntu Trusty)
     Importance: Undecided
     Assignee: dann frazier (dannf)
         Status: Confirmed

** Affects: partman-auto (Ubuntu Trusty)
     Importance: Undecided
     Assignee: dann frazier (dannf)
         Status: Confirmed

** Affects: partman-efi (Ubuntu Trusty)
     Importance: Undecided
     Assignee: dann frazier (dannf)
         Status: Confirmed

** Affects: efibootmgr (Ubuntu Utopic)
     Importance: Undecided
         Status: Fix Released

** Affects: grub-installer (Ubuntu Utopic)
     Importance: Undecided
     Assignee: dann frazier (dannf)
         Status: Confirmed

** Affects: grub2 (Ubuntu Utopic)
     Importance: Undecided
         Status: Fix Released

** Affects: libdebian-installer (Ubuntu Utopic)
     Importance: Undecided
     Assignee: dann frazier (dannf)
         Status: Confirmed

** Affects: partman-auto (Ubuntu Utopic)
     Importance: Undecided
     Assignee: dann frazier (dannf)
         Status: Confirmed

** Affects: partman-efi (Ubuntu Utopic)
     Importance: Undecided
     Assignee: dann frazier (dannf)
         Status: Confirmed

** Changed in: libdebian-installer (Ubuntu)
       Status: New => Confirmed

** Also affects: partman-efi (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: partman-auto (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: grub-installer (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: grub2 (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: efibootmgr (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: efibootmgr (Ubuntu Utopic)
   Importance: Undecided
       Status: New

** Also affects: libdebian-installer (Ubuntu Utopic)
   Importance: Undecided
       Status: New

** Also affects: grub2 (Ubuntu Utopic)
   Importance: Undecided
       Status: New

** Also affects: grub-installer (Ubuntu Utopic)
   Importance: Undecided
       Status: New

** Also affects: partman-auto (Ubuntu Utopic)
   Importance: Undecided
       Status: New

** Also affects: partman-efi (Ubuntu Utopic)
   Importance: Undecided
       Status: New

** Also affects: efibootmgr (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** Also affects: libdebian-installer (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** Also affects: grub2 (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** Also affects: grub-installer (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** Also affects: partman-auto (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** Also affects: partman-efi (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** Changed in: efibootmgr (Ubuntu)
       Status: New => Fix Released

** Changed in: efibootmgr (Ubuntu Utopic)
       Status: New => Fix Released

** Changed in: efibootmgr (Ubuntu Trusty)
       Status: New => Triaged

** Changed in: grub-installer (Ubuntu)
       Status: New => Fix Released

** Changed in: grub-installer (Ubuntu Trusty)
       Status: New => Confirmed

** Changed in: grub-installer (Ubuntu Utopic)
       Status: New => Confirmed

** Changed in: grub2 (Ubuntu)
       Status: New => Fix Released

** Changed in: grub2 (Ubuntu Trusty)
       Status: New => Confirmed

** Changed in: grub2 (Ubuntu Utopic)
       Status: New => Fix Released

** Changed in: libdebian-installer (Ubuntu)
       Status: Confirmed => Fix Released

** Changed in: libdebian-installer (Ubuntu Trusty)
       Status: New => Confirmed

** Changed in: libdebian-installer (Ubuntu Utopic)
       Status: New => Confirmed

** Changed in: partman-auto (Ubuntu)
       Status: New => Fix Released

** Changed in: partman-efi (Ubuntu)
       Status: New => Fix Released

** Changed in: partman-efi (Ubuntu Utopic)
       Status: New => Confirmed

** Changed in: partman-efi (Ubuntu Trusty)
       Status: New => Confirmed

** Changed in: partman-auto (Ubuntu Utopic)
       Status: New => Confirmed

** Changed in: partman-auto (Ubuntu Trusty)
       Status: New => Confirmed

** Changed in: efibootmgr (Ubuntu Trusty)
     Assignee: (unassigned) => dann frazier (dannf)

** Changed in: grub-installer (Ubuntu Trusty)
     Assignee: (unassigned) => dann frazier (dannf)

** Changed in: grub-installer (Ubuntu Utopic)
     Assignee: (unassigned) => dann frazier (dannf)

** Changed in: grub2 (Ubuntu Trusty)
     Assignee: (unassigned) => dann frazier (dannf)

** Changed in: libdebian-installer (Ubuntu Trusty)
     Assignee: (unassigned) => dann frazier (dannf)

** Changed in: libdebian-installer (Ubuntu Utopic)
     Assignee: (unassigned) => dann frazier (dannf)

** Changed in: partman-auto (Ubuntu Trusty)
     Assignee: (unassigned) => dann frazier (dannf)

** Changed in: partman-auto (Ubuntu Utopic)
     Assignee: (unassigned) => dann frazier (dannf)

** Changed in: partman-efi (Ubuntu Trusty)
     Assignee: (unassigned) => dann frazier (dannf)

** Changed in: partman-efi (Ubuntu Utopic)
     Assignee: (unassigned) => dann frazier (dannf)

-- 
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https://bugs.launchpad.net/bugs/1435663

Title:
  arm64/efi support

Status in efibootmgr package in Ubuntu:
  Fix Released
Status in grub-installer package in Ubuntu:
  Fix Released
Status in grub2 package in Ubuntu:
  Fix Released
Status in libdebian-installer package in Ubuntu:
  Fix Released
Status in partman-auto package in Ubuntu:
  Fix Released
Status in partman-efi package in Ubuntu:
  Fix Released
Status in efibootmgr source package in Trusty:
  Triaged
Status in grub-installer source package in Trusty:
  Confirmed
Status in grub2 source package in Trusty:
  Confirmed
Status in libdebian-installer source package in Trusty:
  Confirmed
Status in partman-auto source package in Trusty:
  Confirmed
Status in partman-efi source package in Trusty:
  Confirmed
Status in efibootmgr source package in Utopic:
  Fix Released
Status in grub-installer source package in Utopic:
  Confirmed
Status in grub2 source package in Utopic:
  Fix Released
Status in libdebian-installer source package in Utopic:
  Confirmed
Status in partman-auto source package in Utopic:
  Confirmed
Status in partman-efi source package in Utopic:
  Confirmed

Bug description:
  [Impact]
  It is currently not possible to install EFI-based arm64 systems.

  [Test Case]
  Install an arm64 system with d-i. On reboot you should have a new "ubuntu" entry in the EFI boot menu that starts GRUB and boots into Linux. This can be tested in QEMU if hardware is not available:
    https://wiki.ubuntu.com/ARM64/QEMU
  Note that kernel support is also required, so you'll need to use an LTS Enablement kernel. 

  [Regression Risk]
  Most of the required changes involve enabling builds/backporting code that will only run on previously-unsupported systems. The biggest risk I see is in breaking previously-supported arm64 systems - luckily there's only a few of those and we can test them.

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