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installer: Add SD image expression for Aarch64

This one works on the Raspberry Pi 3 so far.
This commit is contained in:
Tuomas Tynkkynen 2017-01-24 00:52:25 +02:00
parent b29ee6c8ff
commit 0e4c1bfb43

View file

@ -0,0 +1,61 @@
{ config, lib, pkgs, ... }:
let
extlinux-conf-builder =
import ../../system/boot/loader/generic-extlinux-compatible/extlinux-conf-builder.nix {
inherit pkgs;
};
in
{
imports = [
../../profiles/minimal.nix
../../profiles/installation-device.nix
./sd-image.nix
];
assertions = lib.singleton {
assertion = pkgs.stdenv.system == "aarch64-linux";
message = "sd-image-aarch64.nix can be only built natively on Aarch64 / ARM64; " +
"it cannot be cross compiled";
};
# Needed by RPi firmware
nixpkgs.config.allowUnfree = true;
boot.loader.grub.enable = false;
boot.loader.generic-extlinux-compatible.enable = true;
boot.kernelPackages = pkgs.linuxPackages_latest;
boot.kernelParams = ["console=ttyS0,115200n8" "console=tty0"];
boot.consoleLogLevel = 7;
# FIXME: this probably should be in installation-device.nix
users.extraUsers.root.initialHashedPassword = "";
sdImage = {
populateBootCommands = let
# Contains a couple of fixes for booting a Linux kernel, will hopefully appear upstream soon.
patchedUboot = pkgs.ubootRaspberryPi3_64bit.overrideAttrs (oldAttrs: {
src = pkgs.fetchFromGitHub {
owner = "dezgeg";
repo = "u-boot";
rev = "baab53ec244fe44def01948a0f10e67342d401e6";
sha256 = "0r5j2pc42ws3w3im0a9c6bh01czz5kapqrqp0ik9ra823cw73lxr";
};
});
configTxt = pkgs.writeText "config.txt" ''
kernel=u-boot-rpi3.bin
arm_control=0x200
enable_uart=1
'';
in ''
for f in bootcode.bin fixup.dat start.elf; do
cp ${pkgs.raspberrypifw}/share/raspberrypi/boot/$f boot/
done
cp ${patchedUboot}/u-boot.bin boot/u-boot-rpi3.bin
cp ${configTxt} boot/config.txt
${extlinux-conf-builder} -t 3 -c ${config.system.build.toplevel} -d ./boot
'';
};
}