diff options
Diffstat (limited to 'nixpkgs/nixos/lib/qemu-flags.nix')
| -rw-r--r-- | nixpkgs/nixos/lib/qemu-flags.nix | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/nixpkgs/nixos/lib/qemu-flags.nix b/nixpkgs/nixos/lib/qemu-flags.nix index 859d9e975fe..0f066245893 100644 --- a/nixpkgs/nixos/lib/qemu-flags.nix +++ b/nixpkgs/nixos/lib/qemu-flags.nix @@ -2,13 +2,18 @@ { pkgs }: let - zeroPad = n: if n < 10 then "0${toString n}" else toString n; + zeroPad = n: + pkgs.lib.optionalString (n < 16) "0" + + (if n > 255 + then throw "Can't have more than 255 nets or nodes!" + else pkgs.lib.toHexString n); in -{ +rec { + qemuNicMac = net: machine: "52:54:00:12:${zeroPad net}:${zeroPad machine}"; qemuNICFlags = nic: net: machine: - [ "-device virtio-net-pci,netdev=vlan${toString nic},mac=52:54:00:12:${zeroPad net}:${zeroPad machine}" + [ "-device virtio-net-pci,netdev=vlan${toString nic},mac=${qemuNicMac net machine}" "-netdev vde,id=vlan${toString nic},sock=$QEMU_VDE_SOCKET_${toString net}" ]; @@ -17,9 +22,9 @@ in else throw "Unknown QEMU serial device for system '${pkgs.stdenv.hostPlatform.system}'"; qemuBinary = qemuPkg: { - x86_64-linux = "${qemuPkg}/bin/qemu-kvm -cpu host"; + x86_64-linux = "${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"; - x86_64-darwin = "${qemuPkg}/bin/qemu-kvm -cpu host"; + x86_64-darwin = "${qemuPkg}/bin/qemu-kvm -cpu max"; }.${pkgs.stdenv.hostPlatform.system} or "${qemuPkg}/bin/qemu-kvm"; } |