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arm-autonomy/n1sdp-image-customization: boot partition size variables

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Added variables BOOT_PART_SIZE and BOOT_PART_SIZE_UNIT to allow the
boot partition to be configured in conf files.

Issue-Id: SCM-1686
Signed-off-by: Nathan Dunne <Nathan.Dunne@arm.com>
Change-Id: Iaa76d4abdcccc693b3c38708ca452295ff8ee66e
Signed-off-by: Jon Mason <jon.mason@arm.com>
This commit is contained in:
Nathan Dunne
2020-11-23 10:51:16 +00:00
committed by Jon Mason
parent 02994f94df
commit 3bbddbe213
3 changed files with 13 additions and 4 deletions
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meta-arm-autonomy/documentation/n1sdp-image-customization.md
+8 -3
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@@ -11,12 +11,17 @@ perform a couple of customizations in the generated wic image:
1 MiB per physical volume, hence it needs to be taken into account when
setting GUEST_PART_SIZE.
2. The wic image partition layout and contents with a custom wks file via
2. Set the boot partition size (default: 100M) via `BOOT_PART_SIZE` and
`BOOT_PART_SIZE_UNIT` (M or G) variables in any conf file. The default
bootimg is ~44M so 100M leaves just over 50M of free space.
3. The wic image partition layout and contents with a custom wks file via
`ARM_AUTONOMY_WKS_FILE` variable (default:
arm-autonomy-n1sdp-efidisk.wks.in which is affected by GUEST_PART_SIZE,
GUEST_PART_SIZE_UNIT and GRUB_CFG_FILE variables).
GUEST_PART_SIZE_UNIT, BOOT_PART_SIZE, BOOT_PART_SIZE_UNIT and
GRUB_CFG_FILE variables).
3. Custom grub.cfg file via `GRUB_CFG_FILE` (default:
4. Custom grub.cfg file via `GRUB_CFG_FILE` (default:
arm-autonomy-n1sdp-grub.cfg) variable to be set in any conf file. The full
path or relative to `ARM_AUTONOMY_WKS_FILE` should be set.
meta-arm-autonomy/dynamic-layers/meta-arm-bsp/conf/machine/n1sdp-extra-settings.inc
+4
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@@ -14,6 +14,10 @@ WKS_FILE = "${ARM_AUTONOMY_WKS_FILE}"
GUEST_PART_SIZE ?= "4097"
GUEST_PART_SIZE_UNIT ?= "M"
# Set default boot partition size and unit
BOOT_PART_SIZE ?= "100"
BOOT_PART_SIZE_UNIT ?= "M"
# The GRUB_CFG_FILE affects arm-autonomy-n1sdp-efidisk.wks.in file
#
# When alternate-kernel DISTRO_FEATURE is present we set the
meta-arm-autonomy/dynamic-layers/meta-arm-bsp/wic/arm-autonomy-n1sdp-efidisk.wks.in
+1 -1
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@@ -3,7 +3,7 @@
# can directly dd to boot media. Uses a custom grub.cfg file to configure the boot.
# First boot partition normally populated as /dev/sda1
part /boot --source bootimg-efi --sourceparams="loader=grub-efi" --ondisk sda --label msdos --active --align 1024
part /boot --source bootimg-efi --sourceparams="loader=grub-efi" --ondisk sda --size="${BOOT_PART_SIZE}${BOOT_PART_SIZE_UNIT}" --label msdos --active --align 1024
# Second rootfs partition normally populated as /dev/sda2
part / --source rootfs --ondisk sda --fstype=ext4 --label root --align 1024