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nixos/qemu: Add QEMU arguments for HVF on Darwin

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Only support the same architechture for now, no emulation.

Related to #108984.
This commit is contained in:
Yuriy Taraday 2022-06-08 19:59:58 +04:00
parent 8a25d56a6d
commit e0fd131310
1 changed files with 38 additions and 8 deletions
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46
nixos/lib/qemu-common.nix
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@ -23,12 +23,42 @@ rec {
else if (with pkgs.stdenv.hostPlatform; isAarch || 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 "${qemuPkg}/bin/qemu-kvm";
qemuBinary = qemuPkg:
let
hostStdenv = qemuPkg.stdenv;
hostSystem = hostStdenv.system;
guestSystem = pkgs.stdenv.hostPlatform.system;
linuxHostGuestMatrix = {
x86_64-linux = "${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 = "${qemuPkg}/bin/qemu-kvm -cpu max";
};
otherHostGuestMatrix = {
aarch64-darwin = {
aarch64-linux = "${qemuPkg}/bin/qemu-system-aarch64 -machine virt,gic-version=2,accel=hvf:tcg -cpu max";
};
x86_64-darwin = {
x86_64-linux = "${qemuPkg}/bin/qemu-system-x86_64 -machine type=q35,accel=hvf:tcg -cpu max";
};
};
throwUnsupportedHostSystem =
let
supportedSystems = [ "linux" ] ++ (lib.attrNames otherHostGuestMatrix);
in
throw "Unsupported host system ${hostSystem}, supported: ${lib.concatStringsSep ", " supportedSystems}";
throwUnsupportedGuestSystem = guestMap:
throw "Unsupported guest system ${guestSystem} for host ${hostSystem}, supported: ${lib.concatStringsSep ", " (lib.attrNames guestMap)}";
in
if hostStdenv.isLinux then
linuxHostGuestMatrix.${guestSystem} or "${qemuPkg}/bin/qemu-kvm"
else
let
guestMap = (otherHostGuestMatrix.${hostSystem} or throwUnsupportedHostSystem);
in
(guestMap.${guestSystem} or (throwUnsupportedGuestSystem guestMap));
}