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qemu-vm: add EFI support for aarch64

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This commit is contained in:
Daniel Fullmer 2020-06-13 23:54:20 -04:00
parent d7e3312ab1
commit fec163d21c
1 changed files with 7 additions and 3 deletions
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10
nixos/modules/virtualisation/qemu-vm.nix
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@ -81,6 +81,7 @@ let
drivesCmdLine = drives: concatStringsSep " " (imap1 driveCmdline drives); drivesCmdLine = drives: concatStringsSep " " (imap1 driveCmdline drives);
# Creates a device name from a 1-based a numerical index, e.g. # Creates a device name from a 1-based a numerical index, e.g.
# * `driveDeviceName 1` -> `/dev/vda` # * `driveDeviceName 1` -> `/dev/vda`
# * `driveDeviceName 2` -> `/dev/vdb` # * `driveDeviceName 2` -> `/dev/vdb`
@ -99,7 +100,10 @@ let
addDeviceNames = addDeviceNames =
imap1 (idx: drive: drive // { device = driveDeviceName idx; }); imap1 (idx: drive: drive // { device = driveDeviceName idx; });
efiPrefix = "${pkgs.OVMF.fd}/FV/OVMF"; efiPrefix =
if (pkgs.stdenv.isi686 || pkgs.stdenv.isx86_64) then "${pkgs.OVMF.fd}/FV/OVMF"
else if pkgs.stdenv.isAarch64 then "${pkgs.OVMF.fd}/FV/AAVMF"
else throw "No EFI firmware available for platform";
efiFirmware = "${efiPrefix}_CODE.fd"; efiFirmware = "${efiPrefix}_CODE.fd";
efiVars = "${efiPrefix}_VARS.fd"; efiVars = "${efiPrefix}_VARS.fd";
@ -176,7 +180,7 @@ let
'' ''
mkdir $out mkdir $out
diskImage=$out/disk.img diskImage=$out/disk.img
${qemu}/bin/qemu-img create -f qcow2 $diskImage "40M" ${qemu}/bin/qemu-img create -f qcow2 $diskImage "60M"
${if cfg.useEFIBoot then '' ${if cfg.useEFIBoot then ''
efiVars=$out/EFI_VARS.fd efiVars=$out/EFI_VARS.fd
cp ${efiVars} $efiVars cp ${efiVars} $efiVars
@ -191,7 +195,7 @@ let
+ " -drive if=pflash,format=raw,unit=1,file=$efiVars"); + " -drive if=pflash,format=raw,unit=1,file=$efiVars");
} }
'' ''
# Create a /boot EFI partition with 40M and arbitrary but fixed GUIDs for reproducibility # Create a /boot EFI partition with 60M and arbitrary but fixed GUIDs for reproducibility
${pkgs.gptfdisk}/bin/sgdisk \ ${pkgs.gptfdisk}/bin/sgdisk \
--set-alignment=1 --new=1:34:2047 --change-name=1:BIOSBootPartition --typecode=1:ef02 \ --set-alignment=1 --new=1:34:2047 --change-name=1:BIOSBootPartition --typecode=1:ef02 \
--set-alignment=512 --largest-new=2 --change-name=2:EFISystem --typecode=2:ef00 \ --set-alignment=512 --largest-new=2 --change-name=2:EFISystem --typecode=2:ef00 \