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https://github.com/SebastianWendel/nixpkgs.git
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26 lines
1 KiB
Nix
26 lines
1 KiB
Nix
# QEMU flags shared between various Nix expressions.
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{ pkgs }:
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let
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zeroPad = n: if n < 10 then "0${toString n}" else toString n;
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in
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{
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qemuNICFlags = nic: net: machine:
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[ "-device virtio-net-pci,netdev=vlan${toString nic},mac=52:54:00:12:${zeroPad net}:${zeroPad machine}"
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"-netdev vde,id=vlan${toString nic},sock=$QEMU_VDE_SOCKET_${toString net}"
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];
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qemuSerialDevice = if pkgs.stdenv.isi686 || pkgs.stdenv.isx86_64 then "ttyS0"
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else if pkgs.stdenv.isAarch32 || pkgs.stdenv.isAarch64 then "ttyAMA0"
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else throw "Unknown QEMU serial device for system '${pkgs.stdenv.hostPlatform.system}'";
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qemuBinary = qemuPkg: {
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"x86_64-linux" = "${qemuPkg}/bin/qemu-kvm -cpu kvm64";
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"armv7l-linux" = "${qemuPkg}/bin/qemu-system-arm -enable-kvm -machine virt -cpu host";
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"aarch64-linux" = "${qemuPkg}/bin/qemu-system-aarch64 -enable-kvm -machine virt,gic-version=host -cpu host";
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"x86_64-darwin" = "${qemuPkg}/bin/qemu-kvm -cpu kvm64";
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}.${pkgs.stdenv.hostPlatform.system} or "${qemuPkg}/bin/qemu-kvm";
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}
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