32 lines
1.4 KiB
Nix
32 lines
1.4 KiB
Nix
# QEMU-related utilities shared between various Nix expressions.
|
|
{ lib, pkgs }:
|
|
|
|
let
|
|
zeroPad = n:
|
|
lib.optionalString (n < 16) "0" +
|
|
(if n > 255
|
|
then throw "Can't have more than 255 nets or nodes!"
|
|
else 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_${toString net}"''
|
|
];
|
|
|
|
qemuSerialDevice = if pkgs.stdenv.hostPlatform.isx86 || pkgs.stdenv.hostPlatform.isRiscV then "ttyS0"
|
|
else if (with pkgs.stdenv.hostPlatform; isAarch32 || isAarch64 || isPower) then "ttyAMA0"
|
|
else throw "Unknown QEMU serial device for system '${pkgs.stdenv.hostPlatform.system}'";
|
|
|
|
qemuBinary = qemuPkg: {
|
|
x86_64-linux = "${qemuPkg}/bin/qemu-kvm -cpu max";
|
|
armv7l-linux = "${qemuPkg}/bin/qemu-system-arm -machine virt,accel=kvm:tcg -cpu max";
|
|
aarch64-linux = "${qemuPkg}/bin/qemu-system-aarch64 -machine virt,gic-version=max,accel=kvm:tcg -cpu max";
|
|
powerpc64le-linux = "${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";
|
|
}
|