From c2ee77a6cbcfec5813da6aba308998cb08f61fad Mon Sep 17 00:00:00 2001 From: Peder Bergebakken Sundt Date: Sun, 25 Jun 2023 03:38:08 +0200 Subject: [PATCH] switch to nixos-hardware --- builders/make-nvme.nix | 30 ----- configuration.nix | 21 ---- efi-image.nix | 61 +++++++++++ flake.lock | 105 +++--------------- flake.nix | 244 ++++++++++++++++++++++++++--------------- profiles/cross.nix | 21 ---- qemu.nix | 51 +++++++++ 7 files changed, 285 insertions(+), 248 deletions(-) delete mode 100644 builders/make-nvme.nix delete mode 100644 configuration.nix create mode 100644 efi-image.nix delete mode 100644 profiles/cross.nix create mode 100644 qemu.nix diff --git a/builders/make-nvme.nix b/builders/make-nvme.nix deleted file mode 100644 index 274061c..0000000 --- a/builders/make-nvme.nix +++ /dev/null @@ -1,30 +0,0 @@ -{ config, lib, pkgs, modulesPath, ... }: -with lib; - -{ - system.build.nvmeImage = import "${modulesPath}/../lib/make-disk-image.nix" { - inherit config lib pkgs; - diskSize = 8*1024; # megabytes - # TODO: zstd - format = "raw"; # one of qcow2, qcow2-compressed, vdi, vpc, raw. - installBootLoader = true; - partitionTableType = "efi"; - configFile = pkgs.writeText "configuration.nix" '' - { - imports = [ <./machine-config.nix> ]; - } - ''; - }; - - boot.growPartition = true; - boot.initrd.kernelModules = [ "nvme" ]; - /** / - boot.loader.grub.efiSupport = true; - boot.loader.grub.efiInstallAsRemovable = true; - boot.loader.grub.device = "nodev"; - /**/ - - fileSystems."/boot" = { device = "/dev/nvme0n1p1"; fsType = "vfat"; }; - fileSystems."/" = { device = "/dev/nvme0n1p2"; fsType = "ext4"; }; - -} diff --git a/configuration.nix b/configuration.nix deleted file mode 100644 index eaf8236..0000000 --- a/configuration.nix +++ /dev/null @@ -1,21 +0,0 @@ -{ config, lib, pkgs, modulesPath, ... }: -{ - imports = [ "${modulesPath}/profiles/base.nix" ]; - - boot.enableContainers = false; - console.keyMap = "no"; - programs.command-not-found.enable = false; - i18n.supportedLocales = [ "en_US.UTF-8/UTF-8" ]; - documentation.man.enable = false; - documentation.info.enable = false; - security.polkit.enable = lib.mkForce false; - security.audit.enable = false; - - system.stateVersion = "22.11"; - - environment.systemPackages = with pkgs;[ - neofetch - fd - ripgrep - ]; -} diff --git a/efi-image.nix b/efi-image.nix new file mode 100644 index 0000000..341b378 --- /dev/null +++ b/efi-image.nix @@ -0,0 +1,61 @@ +{ config, pkgs, lib, inputs, modulesPath, ... }: +# prior art: +# https://github.com/NixOS/nixos-hardware/blob/master/starfive/visionfive/v2/sd-image.nix +# https://github.com/nix-community/nixos-generators/blob/master/formats/raw.nix +# https://github.com/nix-community/nixos-generators/blob/master/formats/raw-efi.nix + +let + firmware = pkgs.callPackage "${inputs.nixos-hardware}/starfive/visionfive/v2/firmware.nix" { }; +in { + + options.efiImage = { + imageBaseName = lib.mkOption { + default = "nixos-efi-image"; + description = lib.mdDoc "Prefix of the name of the generated image file."; + }; + }; + + config = { + boot.loader.grub.device = config.fileSystems.${config.boot.loader.efi.efiSysMountPoint}.device; # hack for installBootLoader + fileSystems.${config.boot.loader.efi.efiSysMountPoint}.neededForBoot = true; + fileSystems."/".autoResize = true; + boot.growPartition = true; + + #boot.loader.grub.device = "nodev"; + #boot.loader.grub.efiSupport = true; + #boot.loader.grub.efiInstallAsRemovable = true; + + system.build.efiImage = import "${modulesPath}/../lib/make-disk-image.nix" { + inherit config lib pkgs; + name = "${config.efiImage.imageBaseName}-${config.system.nixos.label}-${pkgs.stdenv.hostPlatform.system}-starfive-visionfive2.img"; + #diskSize = 8*1024; # megabytes, defaults to "auto" + bootSize = "512M"; # nixos-install default + + partitionTableType = "efi"; + installBootLoader = true; + touchEFIVars = true; + + #efiFirmware + #efiVariables + + fsType = config.fileSystems."/".fsType; + # TODO: zstd + format = "raw"; # one of qcow2, qcow2-compressed, vdi, vpc, raw. + + # TODO: make this thing able to rebuild + #configFile = pkgs.writeText "configuration.nix" '' + # { + # imports = [ <./machine-config.nix> ]; + # } + #''; + }; + + assertions = [ + { + assertion = config.boot.loader.systemd-boot.enable; + message = "Building EFI Image requires systemd-boot"; + } + ]; + }; + +} diff --git a/flake.lock b/flake.lock index 9fafcb6..ddc6a23 100644 --- a/flake.lock +++ b/flake.lock @@ -1,116 +1,41 @@ { "nodes": { - "meta-sifive": { - "flake": false, + "nixos-hardware": { "locked": { - "lastModified": 1674637034, - "narHash": "sha256-63ND5ppiTZq6R0S5DQXzKwTdP+ksRN2xUBSnOuSZIVc=", - "owner": "sifive", - "repo": "meta-sifive", - "rev": "0cf45af2861140a11a3655b6c1185a1b781420a0", + "lastModified": 1686838567, + "narHash": "sha256-aqKCUD126dRlVSKV6vWuDCitfjFrZlkwNuvj5LtjRRU=", + "owner": "nixos", + "repo": "nixos-hardware", + "rev": "429f232fe1dc398c5afea19a51aad6931ee0fb89", "type": "github" }, "original": { - "owner": "sifive", - "ref": "master", - "repo": "meta-sifive", - "type": "github" - } - }, - "nickcao-rv64": { - "inputs": { - "meta-sifive": "meta-sifive", - "nixpkgs": [ - "nixpkgs" - ], - "starfive-tools": "starfive-tools", - "u-boot-starfive": "u-boot-starfive", - "uboot-vf2-src": "uboot-vf2-src" - }, - "locked": { - "lastModified": 1678100894, - "narHash": "sha256-P4zsTLZeD+jZW7wdTa+gIEqaOKV5atcpiaRMMSPVyWw=", - "owner": "NickCao", - "repo": "nixos-riscv", - "rev": "a95622d7c532f0bd6271bbc937d8c55faf1f4801", - "type": "github" - }, - "original": { - "owner": "NickCao", - "repo": "nixos-riscv", + "owner": "nixos", + "repo": "nixos-hardware", "type": "github" } }, "nixpkgs": { "locked": { - "lastModified": 1678101150, - "narHash": "sha256-Y0EAwuMqucZrH7FwkAeDAXSOIEFlQGVoQSk3+Nj07Ls=", - "owner": "NickCao", + "lastModified": 1687502512, + "narHash": "sha256-dBL/01TayOSZYxtY4cMXuNCBk8UMLoqRZA+94xiFpJA=", + "owner": "NixOS", "repo": "nixpkgs", - "rev": "d23ade162e3a0fd23479a7073eeac9da5f1a40db", + "rev": "3ae20aa58a6c0d1ca95c9b11f59a2d12eebc511f", "type": "github" }, "original": { - "owner": "NickCao", - "ref": "riscv", + "owner": "NixOS", + "ref": "nixos-unstable", "repo": "nixpkgs", "type": "github" } }, "root": { "inputs": { - "nickcao-rv64": "nickcao-rv64", + "nixos-hardware": "nixos-hardware", "nixpkgs": "nixpkgs" } - }, - "starfive-tools": { - "flake": false, - "locked": { - "lastModified": 1674126575, - "narHash": "sha256-dKRHFWLJrXIEpsuXOO3zpiIplPFG5ghVLYR8GvBat8M=", - "owner": "NickCao", - "repo": "starfive-tools", - "rev": "7038f61fcd684fc60d2abc4fd95909782480c66b", - "type": "github" - }, - "original": { - "owner": "NickCao", - "repo": "starfive-tools", - "type": "github" - } - }, - "u-boot-starfive": { - "flake": false, - "locked": { - "lastModified": 1651224393, - "narHash": "sha256-48ah4mcEqrK9iRAz/QGCZUcz34xAuZyJuPanQ8IssMU=", - "owner": "NickCao", - "repo": "u-boot-starfive", - "rev": "ac75aa54020412a83b61dad46c5ea15e7f9f525c", - "type": "github" - }, - "original": { - "owner": "NickCao", - "repo": "u-boot-starfive", - "type": "github" - } - }, - "uboot-vf2-src": { - "flake": false, - "locked": { - "lastModified": 1678096112, - "narHash": "sha256-w6dPaok72sW7Q4ChSWDqds+djWWwigirz9f+s623r/g=", - "owner": "NickCao", - "repo": "u-boot-starfive", - "rev": "64fc719a5db536abaec42564689d96bcfdf0dfba", - "type": "github" - }, - "original": { - "owner": "NickCao", - "ref": "visionfive2", - "repo": "u-boot-starfive", - "type": "github" - } } }, "root": "root", diff --git a/flake.nix b/flake.nix index 5df8510..a215725 100644 --- a/flake.nix +++ b/flake.nix @@ -1,99 +1,171 @@ { description = "My visionfive 2 setup"; - inputs = { - nixpkgs.url = "github:NickCao/nixpkgs/riscv"; # https://github.com/NickCao/nixpkgs/tree/riscv - #nixpkgs.url = "github:nixos/nixpkgs/nixos-22.11"; # https://github.com/nixos/nixpkgs/tree/nixos-22.11 - #unstable.url = "github:nixos/nixpkgs/nixpkgs-unstable"; # https://github.com/nixos/nixpkgs/tree/nixpkgs-unstable - nickcao-rv64.url = "github:NickCao/nixos-riscv"; # https://github.com/NickCao/nixos-riscv - nickcao-rv64.inputs.nixpkgs.follows = "nixpkgs"; - #nickcao-rv64.url = "path:../nickcao-nixos-riscv"; # broken: https://github.com/NixOS/nix/issues/3978 - #zhao-rv64.url = "github:zhaofengli/nixos-riscv64"; # https://github.com/zhaofengli/nixos-riscv64 - }; + #inputs.nixpkgs.url = "github:NickCao/nixpkgs/riscv"; # https://github.com/NickCao/nixpkgs/tree/riscv + #inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05"; + inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; + inputs.nixos-hardware.url = "github:nixos/nixos-hardware"; - outputs = { self, nixpkgs, nickcao-rv64, ...}@inputs: + #inputs.nickcao-rv64.url = "github:NickCao/nixos-riscv"; # https://github.com/NickCao/nixos-riscv + #inputs.nickcao-rv64.inputs.nixpkgs.follows = "nixpkgs"; + #inputs.zhao-rv64.url = "github:zhaofengli/nixos-riscv64"; # https://github.com/zhaofengli/nixos-riscv64 + + outputs = { + self, + nixpkgs, + nixos-hardware, + #nickcao-rv64, + ...} @ inputs: let - nixlib = nixpkgs.lib; - overlays = nixlib.mapAttrsToList (name: val: val) self.overlays; - hostname = hostname: { - networking.hostName = hostname; - networking.domain = "pbsds.net"; - }; + #systems = nixpkgs.lib.systems.flakeExposed; + systems = [ + "x86_64-linux" + "aarch64-linux" + "riscv64-linux" + ]; + forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f rec { + inherit system; + pkgs = nixpkgs.legacyPackages.${system}; + inherit (pkgs) liv; + mkNixos = modules: nixpkgs.lib.nixosSystem { inherit system modules; }; + vf2-firmware = pkgs.callPackage "${nixos-hardware}/starfive/visionfive/v2/firmware.nix" { }; + }); + + #overlays = nixpkgs.lib.mapAttrsToList (name: val: val) self.overlays; in { + inherit inputs; #hydraJobs = {} - overlays = { - nickcao = nickcao-rv64.overlay; - #default = (final: prev: {}); - }; + #overlays = { + # nickcao = nickcao-rv64.overlay; + # #default = (final: prev: {}); + #}; - nixosModules.generic-boot = { - boot.loader.grub.enable = false; - boot.loader.generic-extlinux-compatible.enable = true; - }; - nixosModules.rv64 = { - system = "riscv64-unknown-linux-gnu"; - #nixpkgs.overlays = [ self.overlays.nickcao ]; - }; - nixosModules.rv64-cross = { - nixpkgs.localSystem.config = "x86_64-unknown-linux-gnu"; - nixpkgs.crossSystem.config = "riscv64-unknown-linux-gnu"; - #nixpkgs.overlays = [ self.overlays.nickcao ]; - }; - nixosModules.nvme-image = { config, lib, pkgs, modulesPath , ... }: { - system.build.nvmeImage = import "${modulesPath}/../lib/make-disk-image.nix" { - inherit config lib pkgs; - diskSize = 8*1024; # megabytes - # TODO: zstd - format = "raw"; # one of qcow2, qcow2-compressed, vdi, vpc, raw. - installBootLoader = true; - partitionTableType = "efi"; - # TODO: make this thing able to rebuild - configFile = pkgs.writeText "configuration.nix" '' - { - imports = [ <./machine-config.nix> ]; - } - ''; + nixosModules = rec { + # hardware + rv64 = { config, lib, ... }: lib.mkIf (config.nixpkgs.system != "riscv64-linux") { + # (system != "riscv64-linux") => do cross + nixpkgs.crossSystem.config = "riscv64-unknown-linux-gnu"; + nixpkgs.crossSystem.system = "riscv64-linux"; + }; + vf2-r12a = { lib, ...}: { + imports = [ rv64 ]; + hardware.deviceTree.name = "starfive/jh7110-starfive-visionfive-2-v1.2a.dtb"; + }; + vf2-r12a-8gb = { + imports = [ vf2-r12a ]; + hardware.deviceTree.overlays = [{ + name = "8GB-patch"; + dtsFile = "${nixos-hardware}/starfive/visionfive/v2/visionfive-2-v1.2a-8GB.dts"; + }]; + }; + vf2-r13b = { lib, ...}: { + imports = [ rv64 ]; + hardware.deviceTree.name = "starfive/jh7110-starfive-visionfive-2-v1.3b.dtb"; # default + }; + vf2-r13b-8gb = { + imports = [ vf2-r13b ]; + hardware.deviceTree.overlays = [{ + name = "8GB-patch"; + dtsFile = "${nixos-hardware}/starfive/visionfive/v2/visionfive-2-v1.3b-8GB.dts"; + }]; + }; + + # install method + vf2-qemu = { lib, ...}: { + imports = [ "${nixos-hardware}/starfive/visionfive/v2" ./qemu.nix ]; + }; + vf2-sd-installer = { + imports = [ "${nixos-hardware}/starfive/visionfive/v2/sd-image-installer.nix" ]; + sdImage.compressImage = false; + }; + vf2-sd-image = { + imports = [ "${nixos-hardware}/starfive/visionfive/v2/sd-image.nix" ]; + sdImage.compressImage = false; + }; + vf2-nvme = { vf2-firmware, pkgs, ... }: { + imports = [ "${nixos-hardware}/starfive/visionfive/v2" ]; + #fileSystems."/boot" = { device = "/dev/nvme0n1p1"; fsType = "vfat"; }; + #fileSystems."/" = { device = "/dev/nvme0n1p2"; fsType = "ext4"; }; + boot.initrd.kernelModules = [ "nvme" ]; + boot.loader.systemd-boot.enable = true; + boot.loader.efi.canTouchEfiVariables = true; + boot.loader.efi.efiSysMountPoint = "/boot"; + environment.systemPackages = [ + pkgs.efibootmgr + pkgs.efivar + vf2-firmware.updater-flash + ]; + }; + vf2-nvme-image = { + _module.args = { inherit inputs; }; # TODO: needed? + imports = [ vf2-nvme ./efi-image.nix ]; + }; + + + # components + minimal = { lib, ...}: { + boot.enableContainers = false; + programs.command-not-found.enable = false; + documentation.man.enable = false; + documentation.info.enable = false; + security.polkit.enable = lib.mkForce false; + security.audit.enable = false; + networking.firewall.enable = lib.mkDefault false; + + }; + dhcp = { + networking.interfaces.end0.useDHCP = true; + networking.interfaces.end1.useDHCP = true; + networking.domain = "pbsds.net"; + networking.search = [ "pbsds.net" ]; + }; + locale-no_nb = { + console.keyMap = "no"; + services.xserver.layout = "no"; + services.xserver.xkbVariant = ""; + time.timeZone = "Europe/Oslo"; + i18n.defaultLocale = "en_US.utf8"; + i18n.extraLocaleSettings.LC_TIME = "nb_NO.utf8"; + }; + + # hosts + demo = { pkgs, ... }: { + imports = [ minimal dhcp "${nixpkgs}/nixos/modules/profiles/base.nix" ]; + networking.hostName = "demo"; + system.stateVersion = "23.05"; + }; + asgaut = { pkgs, ... }: { + imports = [ minimal dhcp locale-no_nb ]; + networking.hostName = "asgaut"; + environment.systemPackages = with pkgs;[ neofetch htop fd ripgrep ]; + system.stateVersion = "23.05"; + }; + gunder = { pkgs, ... }: { + imports = [ minimal dhcp locale-no_nb ]; + networking.hostName = "gunder"; + environment.systemPackages = with pkgs;[ neofetch htop fd ripgrep ]; + system.stateVersion = "23.05"; }; - boot.growPartition = true; - boot.initrd.kernelModules = [ "nvme" ]; - /** / - boot.loader.grub.efiSupport = true; - boot.loader.grub.efiInstallAsRemovable = true; - boot.loader.grub.device = "nodev"; - /**/ - fileSystems."/boot" = { device = "/dev/nvme0n1p1"; fsType = "vfat"; }; - fileSystems."/" = { device = "/dev/nvme0n1p2"; fsType = "ext4"; }; - }; - nixosModules.sd-image = { config, lib, pkgs, modulesPath, ... }: { - imports = [ "${modulesPath}/installer/sd-card/sd-image.nix" ]; - sdImage.populateFirmwareCommands = ""; - sdImage.populateRootCommands = '' - mkdir -p ./files/boot - ${config.boot.loader.generic-extlinux-compatible.populateCmd} -c ${config.system.build.toplevel} -d ./files/boot - ''; - }; - nixosModules.nickcao-common = "${nickcao-rv64.outPath}/common.nix"; # is equal to: generic-boot + sd-image + rv64-cross - nixosModules.nickcao-unmatched = "${nickcao-rv64.outPath}/unmatched.nix"; - nixosModules.nickcao-visionfive = "${nickcao-rv64.outPath}/visionfive.nix"; - nixosModules.nickcao-visionfive2 = "${nickcao-rv64.outPath}/visionfive2.nix"; - nixosModules.nickcao-qemu = "${nickcao-rv64.outPath}/qemu.nix"; - nixosModules.base = { - nixpkgs.overlays = overlays; - imports = [ ./configuration.nix ]; }; - # TODO: gunder - # nixos-rebuild --flake .#NAME - nixosConfigurations.qemu = nickcao-rv64.nixosConfigurations.qemu.extendModules { modules = with self.nixosModules; [ base ]; }; - nixosConfigurations.asgaut = nixpkgs.lib.nixosSystem { modules = with self.nixosModules; [ base (hostname "asgaut") nickcao-visionfive2 ]; }; - nixosConfigurations.asgaut-nvme = nixpkgs.lib.nixosSystem { modules = with self.nixosModules; [ base (hostname "asgaut") nickcao-visionfive2 generic-boot rv64-cross nvme-image ]; }; - nixosConfigurations.asgaut-sd = nixpkgs.lib.nixosSystem { modules = with self.nixosModules; [ base (hostname "asgaut") nickcao-visionfive2 generic-boot rv64-cross sd-image ]; }; - nixosConfigurations.asgaut-sd2 = nixpkgs.lib.nixosSystem { modules = with self.nixosModules; [ base (hostname "asgaut") nickcao-visionfive2 nickcao-common ]; }; - # nix build .#images.NAME . - images.asgaut-nvme = self.nixosConfigurations.asgaut-nvme.config.system.build.nvmeImage; - images.asgaut-sd = self.nixosConfigurations.asgaut-sd .config.system.build.sdImage; - images.asgaut-sd2 = self.nixosConfigurations.asgaut-sd2 .config.system.build.sdImage; - # nix build .#riscv64-linux.NAME-sd-image - #packages.riscv64-linux.asgaut-sd-image = self.nixosConfigurations.gunder.config.system.build.sdImage; + packages = forAllSystems ({ system, mkNixos, ... }: with self.nixosModules; rec { + #default = asgaut-sd-installer; + demo-sd-installer = (mkNixos [ demo vf2-r12a-8gb vf2-sd-installer ]).config.system.build.sdImage; + demo-sd-image = (mkNixos [ demo vf2-r12a-8gb vf2-sd-image ]).config.system.build.sdImage; + demo-nvme-image = (mkNixos [ demo vf2-r12a-8gb vf2-nvme-image ]).config.system.build.efiImage; + demo-qemu = (mkNixos [ demo rv64 vf2-qemu ]).config.system.build.vm; + asgaut-sd-installer = (mkNixos [ asgaut vf2-r12a-8gb vf2-sd-installer ]).config.system.build.sdImage; + asgaut-sd-image = (mkNixos [ asgaut vf2-r12a-8gb vf2-sd-image ]).config.system.build.sdImage; + asgaut-nvme-image = (mkNixos [ asgaut vf2-r12a-8gb vf2-nvme-image ]).config.system.build.efiImage; + asgaut-qemu = (mkNixos [ asgaut rv64 vf2-qemu ]).config.system.build.vm; + gunder-sd-installer = (mkNixos [ gunder vf2-r12a-8gb vf2-sd-installer ]).config.system.build.sdImage; + gunder-sd-image = (mkNixos [ gunder vf2-r12a-8gb vf2-sd-image ]).config.system.build.sdImage; + gunder-nvme-image = (mkNixos [ gunder vf2-r12a-8gb vf2-nvme-image ]).config.system.build.efiImage; + gunder-qemu = (mkNixos [ gunder rv64 vf2-qemu ]).config.system.build.vm; + }); + + nixosConfigurations.demo = nixpkgs.lib.nixosSystem { system = "x86_64-linux"; modules = with self.nixosModules; [ demo vf2-nvme ]; }; + nixosConfigurations.asgaut = nixpkgs.lib.nixosSystem { system = "x86_64-linux"; modules = with self.nixosModules; [ asgaut vf2-nvme ]; }; + nixosConfigurations.gunder = nixpkgs.lib.nixosSystem { system = "x86_64-linux"; modules = with self.nixosModules; [ gunder vf2-nvme ]; }; }; } diff --git a/profiles/cross.nix b/profiles/cross.nix deleted file mode 100644 index d6964c6..0000000 --- a/profiles/cross.nix +++ /dev/null @@ -1,21 +0,0 @@ -{ config, pkgs, lib, modulesPath, ... }: { - - nixpkgs = { - localSystem.config = "x86_64-unknown-linux-gnu"; - crossSystem.config = "riscv64-unknown-linux-gnu"; - }; - - boot.loader = { - grub.enable = false; - generic-extlinux-compatible.enable = true; - }; - - sdImage = { - populateFirmwareCommands = ""; - populateRootCommands = '' - mkdir -p ./files/boot - ${config.boot.loader.generic-extlinux-compatible.populateCmd} -c ${config.system.build.toplevel} -d ./files/boot - ''; - }; - -} diff --git a/qemu.nix b/qemu.nix new file mode 100644 index 0000000..e92b63c --- /dev/null +++ b/qemu.nix @@ -0,0 +1,51 @@ +# based on https://github.com/NickCao/nixos-riscv/blob/master/qemu.nix +{ config, pkgs, lib, ...}: + +{ + boot.loader.generic-extlinux-compatible.enable = false; + + #boot.kernelPackages = pkgs.linuxPackages_latest; + boot.kernelParams = [ "console=ttyS0" "earlycon" ]; + boot.initrd.availableKernelModules = [ "pci_host_generic" "virtio_pci" "9p" "9pnet_virtio" ]; + + fileSystems."/" = { + device = "none"; + fsType = "tmpfs"; + options = [ "defaults" "mode=755" ]; + }; + fileSystems."/nix/store" = { + device = "nix-store"; + fsType = "9p"; + options = [ "ro" "trans=virtio" "version=9p2000.L" "msize=1M" ]; + }; + + systemd.services."autotty@hvc0".enable = false; + systemd.services.mount-pstore.enable = false; + services.getty.autologinUser = "root"; + networking.firewall.enable = false; + #virtualisation.docker.enable = true; + + system.build.vm = + let + qemu-path = "${pkgs.pkgsBuildBuild.qemu}/bin/qemu-system-${pkgs.targetPlatform.qemuArch}"; + closure = config.system.build.toplevel; + qemu-args = [ + "-M" "virt" + "-smp" "2" # cpus + "-m" "2G" # mem + "-kernel" "${closure}/kernel" + "-initrd" "${closure}/initrd" + "-append" "$(cat ${closure}/kernel-params) init=${closure}/init" + "-device" "virtio-rng-pci" + "-netdev" "user,id=end0" + "-device" "virtio-net-pci,netdev=end0" + "-netdev" "user,id=end1" + "-device" "virtio-net-pci,netdev=end1" + "-fsdev" "local,security_model=passthrough,id=nix-store,path=/nix/store,readonly=on" + "-device" "virtio-9p-pci,id=nix-store,fsdev=nix-store,mount_tag=nix-store" + "-nographic" + ]; + in pkgs.writeShellScriptBin "run-vm" '' + exec ${qemu-path} ${lib.escapeShellArgs qemu-args} + ''; +}