sd-image: Make firmware partition name configurable

This will be helpful in the now too-long-lived image for the Raspberry
Pi 4. We'll be able to properly configure the partition to be useful.
This commit is contained in:
Samuel Dionne-Riel 2020-06-10 21:30:22 -04:00
parent 37e50ca635
commit 34caab71bb

View file

@ -63,6 +63,14 @@ in
'';
};
firmwarePartitionName = mkOption {
type = types.str;
default = "FIRMWARE";
description = ''
Name of the filesystem which holds the boot firmware.
'';
};
rootPartitionUUID = mkOption {
type = types.nullOr types.str;
default = null;
@ -114,7 +122,7 @@ in
config = {
fileSystems = {
"/boot/firmware" = {
device = "/dev/disk/by-label/FIRMWARE";
device = "/dev/disk/by-label/${config.sdImage.firmwarePartitionName}";
fsType = "vfat";
# Alternatively, this could be removed from the configuration.
# The filesystem is not needed at runtime, it could be treated
@ -178,7 +186,7 @@ in
# Create a FAT32 /boot/firmware partition of suitable size into firmware_part.img
eval $(partx $img -o START,SECTORS --nr 1 --pairs)
truncate -s $((SECTORS * 512)) firmware_part.img
faketime "1970-01-01 00:00:00" mkfs.vfat -i ${config.sdImage.firmwarePartitionID} -n FIRMWARE firmware_part.img
faketime "1970-01-01 00:00:00" mkfs.vfat -i ${config.sdImage.firmwarePartitionID} -n ${config.sdImage.firmwarePartitionName} firmware_part.img
# Populate the files intended for /boot/firmware
mkdir firmware