92 lines
2.3 KiB
Nix
92 lines
2.3 KiB
Nix
{ config, pkgs, lib, ... }:
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{
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options.genode = with lib;
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let
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genodeOpts = { ... }: {
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options = {
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name = mkOption {
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example = "webserver";
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type = types.str;
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description = "Name of the Genode subsystem.";
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};
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depot = mkOption {
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type = with types; attrsOf package;
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description = ''
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Attribute set of Genode depot binaries.
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'';
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};
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pkgs = mkOption {
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type = with types; attrsOf package;
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description = ''
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Attribute set of Genode packages.
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'';
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};
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config = mkOption {
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type = types.str;
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default = "<config/>";
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description = ''
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Configuration of the Genode subsystem.
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Must be rendering in the Genode XML format.
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'';
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};
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rom = mkOption {
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type = with types; attrs;
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example = literalExample {
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nic_drv = "${depot.ipxe_nic_drv}/bin/ipxe_nic_drv";
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};
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};
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};
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};
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in mkOption {
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type = with lib.types; loaOf (submodule genodeOpts);
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default = { };
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example = {
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foobar = {
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config = "<empty/>";
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rom = { };
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};
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};
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description = ''
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Configurations of Genode subsystems
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'';
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};
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config = {
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systemd.services = let
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toService = name: cfg: {
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description = "Genode subsystem";
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wantedBy = [ "multi-user.target" ];
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preStart = let
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rom' = with cfg.pkgs;
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{
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core = "${base-linux}/bin/core-linux";
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init = "${os}/bin/init";
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"ld.lib.so" = "${cfg.depot.base-linux}/lib/ld.lib.so";
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timer = "${base-linux}/bin/linux_timer_drv";
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config = builtins.toFile "${name}.config.xml" cfg.config;
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} // cfg.rom;
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in builtins.concatStringsSep "\n"
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(lib.mapAttrsToList (name: value: "ln -s ${value} ${name}") rom');
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serviceConfig = {
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DynamicUser = true;
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RuntimeDirectory = "genode/" + name;
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WorkingDirectory = "/run/genode/" + name;
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ExecStart = "${cfg.pkgs.base-linux}/bin/core-linux";
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};
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};
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in lib.mapAttrs toService config.genode;
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};
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}
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