patos/utils/qemu-uefi-tpm.nix

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{
config,
pkgs,
...
}:
pkgs.writeShellApplication {
name = "qemu-uefi-tpm";
runtimeInputs = with pkgs; [
qemu
swtpm
];
text =
let
tpmOVMF = pkgs.OVMF.override { tpmSupport = true; };
in
''
set -ex
state="/tmp/patos-qemu-$USER"
rm -rf "$state"
mkdir -m 700 "$state"
qemu-img create -f qcow2 -F raw -b "$(readlink -e "$1")" "$state/disk.qcow2" 10G
swtpm socket -d --tpmstate dir="$state" \
--ctrl type=unixio,path="$state/swtpm-sock" \
--tpm2 \
--log level=20
qemu-system-x86_64 \
-enable-kvm \
-machine q35,accel=kvm \
-cpu host \
-smp 8 \
-m 4G \
-display none \
-chardev "stdio,id=char0,mux=on,logfile=$state/console.log,signal=off" \
-serial chardev:char0 \
-mon chardev=char0 \
-drive "if=pflash,format=raw,unit=0,readonly=on,file=${tpmOVMF.firmware}" \
-drive "if=pflash,format=raw,unit=1,readonly=on,file=${tpmOVMF.variables}" \
-chardev socket,id=chrtpm,path="$state/swtpm-sock" \
-tpmdev emulator,id=tpm0,chardev=chrtpm \
-device tpm-tis,tpmdev=tpm0 \
-netdev id=net00,type=user,hostfwd=tcp::2222-:22 \
-device virtio-net-pci,netdev=net00 \
-drive "format=qcow2,file=$state/disk.qcow2"
'';
}