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nixpkgs/nixos/lib/qemu-flags.nix
Ryan Burns 0ebf63de08 nixos/qemu-flags: add ppc64
* PPC uses ttyAMA0 as its serial device, similar to ARM.
* PowerNV is a typical platform for testing and distro development
2021-03-05 01:57:54 -08:00

33 lines
1.3 KiB
Nix

# QEMU flags shared between various Nix expressions.
{ pkgs }:
let
zeroPad = n:
pkgs.lib.optionalString (n < 16) "0" +
(if n > 255
then throw "Can't have more than 255 nets or nodes!"
else pkgs.lib.toHexString n);
in
rec {
qemuNicMac = net: machine: "52:54:00:12:${zeroPad net}:${zeroPad machine}";
qemuNICFlags = nic: net: machine:
[ "-device virtio-net-pci,netdev=vlan${toString nic},mac=${qemuNicMac net machine}"
"-netdev vde,id=vlan${toString nic},sock=$QEMU_VDE_SOCKET_${toString net}"
];
qemuSerialDevice = if pkgs.stdenv.isi686 || pkgs.stdenv.isx86_64 then "ttyS0"
else if (with pkgs.stdenv.hostPlatform; isAarch32 || isAarch64 || isPower) then "ttyAMA0"
else throw "Unknown QEMU serial device for system '${pkgs.stdenv.hostPlatform.system}'";
qemuBinary = qemuPkg: {
x86_64-linux = "${qemuPkg}/bin/qemu-kvm -cpu max";
armv7l-linux = "${qemuPkg}/bin/qemu-system-arm -enable-kvm -machine virt -cpu host";
aarch64-linux = "${qemuPkg}/bin/qemu-system-aarch64 -enable-kvm -machine virt,gic-version=host -cpu host";
powerpc64le-linux = "${qemuPkg}/bin/qemu-system-ppc64 -machine powernv";
powerpc64-linux = "${qemuPkg}/bin/qemu-system-ppc64 -machine powernv";
x86_64-darwin = "${qemuPkg}/bin/qemu-kvm -cpu max";
}.${pkgs.stdenv.hostPlatform.system} or "${qemuPkg}/bin/qemu-kvm";
}