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nixos-hardware/starfive/visionfive/v2/sd-image.nix

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{ config, pkgs, modulesPath, ... }:
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let firmware = pkgs.callPackage ./firmware.nix { };
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in {
imports = [
"${modulesPath}/profiles/base.nix"
"${modulesPath}/installer/sd-card/sd-image.nix"
./.
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];
sdImage = {
imageName =
"${config.sdImage.imageBaseName}-${config.system.nixos.label}-${pkgs.stdenv.hostPlatform.system}-starfive-visionfive2.img";
# Overridden by postBuildCommands
populateFirmwareCommands = "";
firmwarePartitionOffset = 4;
firmwareSize = 4;
postBuildCommands = ''
# preserve root partition
eval $(partx $img -o START,SECTORS --nr 2 --pairs)
# increase image size for gpt backup header
truncate -s '+2M' $img
sfdisk $img <<EOF
label: gpt
unit: sectors
sector-size: 512
start=4096, size=4096, type=2E54B353-1271-4842-806F-E436D6AF6985
start=8192, size=8192, type=5B193300-FC78-40CD-8002-E86C45580B47
start=$START, size=$SECTORS, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, attrs="LegacyBIOSBootable"
EOF
eval $(partx $img -o START,SECTORS --nr 1 --pairs)
dd conv=notrunc if=${firmware.uboot}/u-boot-spl.bin.normal.out of=$img seek=$START count=$SECTORS
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eval $(partx $img -o START,SECTORS --nr 2 --pairs)
dd conv=notrunc if=${firmware.uboot}/u-boot.itb of=$img seek=$START count=$SECTORS
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'';
populateRootCommands = ''
mkdir -p ./files/boot
${config.boot.loader.generic-extlinux-compatible.populateCmd} -c ${config.system.build.toplevel} -d ./files/boot
'';
};
environment.systemPackages = [ firmware.updater-flash ];
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}