54 lines
2 KiB
Nix
54 lines
2 KiB
Nix
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# Based up original work by cleverca22
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# https://github.com/cleverca22/nixos-configs/blob/master/qemu.nix
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{ config, pkgs, lib, ... }:
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with lib;
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let
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cfg = config.qemu-user;
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arm = {
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interpreter = "${pkgs.qemu-user-arm}/bin/qemu-arm";
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magicOrExtension = ''\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28\x00'';
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mask = ''\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\x00\xff\xfe\xff\xff\xff'';
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};
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aarch64 = {
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interpreter = "${pkgs.qemu-user-arm64}/bin/qemu-aarch64";
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magicOrExtension = ''\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xb7\x00'';
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mask = ''\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\x00\xff\xfe\xff\xff\xff'';
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};
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riscv64 = {
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interpreter = "${pkgs.qemu-riscv64}/bin/qemu-riscv64";
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magicOrExtension = ''\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xf3\x00'';
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mask = ''\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\x00\xff\xfe\xff\xff\xff'';
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};
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in {
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options = {
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qemu-user = {
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arm = mkEnableOption "enable 32bit arm emulation";
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aarch64 = mkEnableOption "enable 64bit arm emulation";
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riscv64 = mkEnableOption "enable 64bit riscv emulation";
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};
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nix.supportedPlatforms = mkOption {
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type = types.listOf types.str;
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description = "extra platforms that nix will run binaries for";
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default = [];
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};
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};
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config = mkIf (cfg.arm || cfg.aarch64) {
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nixpkgs = {
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overlays = [ (import ../overlays/qemu) ];
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};
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boot.binfmt.registrations =
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optionalAttrs cfg.arm { inherit arm; } //
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optionalAttrs cfg.aarch64 { inherit aarch64; } //
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optionalAttrs cfg.riscv64 { inherit riscv64; };
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nix.supportedPlatforms = (optionals cfg.arm [ "armv6l-linux" "armv7l-linux" ])
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++ (optional cfg.aarch64 "aarch64-linux");
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nix.extraOptions = ''
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extra-platforms = ${toString config.nix.supportedPlatforms} i686-linux
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'';
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nix.sandboxPaths = [ "/run/binfmt" ] ++ (optional cfg.arm "${pkgs.qemu-user-arm}") ++ (optional cfg.aarch64 "${pkgs.qemu-user-arm64}");
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};
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}
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