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diskimage-builder/diskimage_builder/elements/bootloader
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Ian Wienand 79ea63f525 Futher bootloader cleanups 
GRUB_OPTS has never been documented as externally available, and is
not used.  Assume it's value to simplify the code.

Move the grub version check separately, as we only support grub2

Remove references to buliding i386 images.  I don't image it works in
any way.

Remove ci.md, which is no longer relevant.

Refactor the test for "building BIOS image on EFI system" consiberably
after these changes.

Change-Id: Ia99687815667c3cf5e82cf21d841d3b1008b8fa9
2022-02-10 15:08:56 +11:00
..
environment.d update grub cmdline to current kernel parameters 2020-06-14 00:39:42 -05:00
finalise.d Futher bootloader cleanups 2022-02-10 15:08:56 +11:00
pkg-map RHEL/Centos 9 does not have package grub2-efi-x64-modules 2021-09-13 09:32:53 +12:00
README.rst bootloader: remove extlinux/syslinux path 2021-05-13 10:33:06 +10:00

README.rst 

==========
bootloader
==========

Installs ``grub[2]`` on boot partition on the system.

Arguments
=========

* ``DIB_GRUB_TIMEOUT`` sets the ``grub`` menu timeout.  It defaults to
  5 seconds.  Set this to 0 (no timeout) for fast boot times.

* ``DIB_BOOTLOADER_DEFAULT_CMDLINE`` sets parameters that are appended
  to the ``GRUB_CMDLINE_LINUX_DEFAULT`` values in ``grub.cfg``
  configuration. It defaults to ``nofb nomodeset gfxpayload=text``.

* ``DIB_BOOTLOADER_SERIAL_CONSOLE`` sets the serial device to be
  used as a console. It defaults to ``hvc0`` for PowerPC, 
  ``ttyAMA0,115200`` for ARM64, otherwise ``ttyS0,115200``.