From 91ab0f99028f650602e5bc4f6cc5f4db1a47869b Mon Sep 17 00:00:00 2001
From: hektor <hektor.misplon@pm.me>
Date: Wed, 4 Nov 2026 22:11:04 +0100
Subject: [PATCH] feat(hecuba): switch to UEFI (and modularize)

---
 hosts/hecuba/default.nix       |  67 +++-
 hosts/hecuba/facter.json       | 714 ++++++++++++++++++++++++---------
 modules/bootloader/default.nix |  36 +-
 3 files changed, 608 insertions(+), 209 deletions(-)

diff --git a/hosts/hecuba/default.nix b/hosts/hecuba/default.nix
index 7283948..008f29a 100644
--- a/hosts/hecuba/default.nix
+++ b/hosts/hecuba/default.nix
@@ -1,5 +1,6 @@
 {
   inputs,
+  lib,
   pkgs,
   config,
   ...
@@ -9,6 +10,8 @@
 
 let
   meta = import ./meta.nix;
+  bios = config.bootloader.firmware == "bios";
+  uefi = config.bootloader.firmware == "uefi";
 in
 {
   imports = [
@@ -23,6 +26,10 @@ in
 
   hardware.facter.reportPath = ./facter.json;
 
+  bootloader = {
+    enable = true;
+    firmware = "uefi";
+  };
   docker.enable = true;
   hardening = {
     enable = true;
@@ -61,22 +68,56 @@ in
 
   networking.hostName = config.host.name;
 
-  fileSystems."/" = {
-    device = "/dev/disk/by-label/nixos";
-    fsType = "ext4";
+  boot.loader.grub.device = lib.mkIf bios "/dev/sda";
+  boot.loader.systemd-boot.bootCounting.enable = lib.mkIf uefi true;
+
+  fileSystems = lib.mkIf bios {
+    "/" = {
+      device = "/dev/disk/by-label/nixos";
+      fsType = "ext4";
+    };
+    "/boot" = {
+      device = "/dev/disk/by-label/boot";
+      fsType = "ext4";
+    };
   };
-  fileSystems."/boot" = {
-    device = "/dev/disk/by-label/boot";
-    fsType = "ext4";
-  };
-  swapDevices = [
+  swapDevices = lib.mkIf bios [
     {
       device = "/dev/disk/by-label/swap";
     }
   ];
 
-  boot.loader.grub.enable = true;
-  boot.loader.grub.device = "/dev/sda";
+  disko.devices.disk.main = lib.mkIf uefi {
+    type = "disk";
+    device = "/dev/sda";
+    content = {
+      type = "gpt";
+      partitions = {
+        ESP = {
+          size = "512M";
+          type = "EF00";
+          content = {
+            type = "filesystem";
+            format = "vfat";
+            mountpoint = "/boot";
+            mountOptions = [ "umask=0077" ];
+          };
+        };
+        swap = {
+          size = "4G";
+          content.type = "swap";
+        };
+        root = {
+          size = "100%";
+          content = {
+            type = "filesystem";
+            format = "ext4";
+            mountpoint = "/";
+          };
+        };
+      };
+    };
+  };
 
   users.users = {
     root.hashedPassword = "!";
@@ -88,11 +129,7 @@ in
 
   security.sudo.wheelNeedsPassword = false;
 
-  nix.gc = {
-    automatic = true;
-    dates = "weekly";
-    options = "-d";
-  };
+  nix.gc.options = "--delete-older-than 14d";
 
   virtualisation.docker.autoPrune = {
     enable = true;
diff --git a/hosts/hecuba/facter.json b/hosts/hecuba/facter.json
index 0eff894..75e85c2 100644
--- a/hosts/hecuba/facter.json
+++ b/hosts/hecuba/facter.json
@@ -2,9 +2,6 @@
   "version": 1,
   "system": "x86_64-linux",
   "virtualisation": "kvm",
-  "uefi": {
-    "supported": false
-  },
   "hardware": {
     "bios": {
       "apm_info": {
@@ -18,10 +15,10 @@
         "version": 0,
         "video_memory": 0
       },
-      "pnp": true,
+      "pnp": false,
       "pnp_id": 0,
       "lba_support": false,
-      "low_memory_size": 654336,
+      "low_memory_size": 0,
       "smbios_version": 768
     },
     "bridge": [
@@ -75,11 +72,28 @@
         "model": "PCI bridge",
         "sysfs_id": "/devices/pci0000:00/0000:00:02.7",
         "sysfs_bus_id": "0000:00:02.7",
+        "resources": [
+          {
+            "type": "irq",
+            "base": 22,
+            "triggered": 0,
+            "enabled": true
+          },
+          {
+            "type": "mem",
+            "base": 2167939072,
+            "range": 4096,
+            "enabled": true,
+            "access": "read_write",
+            "prefetch": "no"
+          }
+        ],
         "detail": {
           "function": 7,
-          "command": 1287,
+          "command": 1031,
           "header_type": 1,
           "secondary_bus": 8,
+          "irq": 22,
           "prog_if": 0
         },
         "driver": "pcieport",
@@ -144,9 +158,10 @@
         "sysfs_bus_id": "0000:00:1f.0",
         "detail": {
           "function": 0,
-          "command": 259,
+          "command": 7,
           "header_type": 0,
           "secondary_bus": 0,
+          "irq": 0,
           "prog_if": 0
         },
         "driver": "lpc_ich",
@@ -209,11 +224,28 @@
         "model": "PCI bridge",
         "sysfs_id": "/devices/pci0000:00/0000:00:02.5",
         "sysfs_bus_id": "0000:00:02.5",
+        "resources": [
+          {
+            "type": "irq",
+            "base": 22,
+            "triggered": 0,
+            "enabled": true
+          },
+          {
+            "type": "mem",
+            "base": 2167947264,
+            "range": 4096,
+            "enabled": true,
+            "access": "read_write",
+            "prefetch": "no"
+          }
+        ],
         "detail": {
           "function": 5,
-          "command": 1287,
+          "command": 1031,
           "header_type": 1,
           "secondary_bus": 6,
+          "irq": 22,
           "prog_if": 0
         },
         "driver": "pcieport",
@@ -276,11 +308,28 @@
         "model": "PCI bridge",
         "sysfs_id": "/devices/pci0000:00/0000:00:02.3",
         "sysfs_bus_id": "0000:00:02.3",
+        "resources": [
+          {
+            "type": "irq",
+            "base": 22,
+            "triggered": 0,
+            "enabled": true
+          },
+          {
+            "type": "mem",
+            "base": 2167955456,
+            "range": 4096,
+            "enabled": true,
+            "access": "read_write",
+            "prefetch": "no"
+          }
+        ],
         "detail": {
           "function": 3,
-          "command": 1287,
+          "command": 1031,
           "header_type": 1,
           "secondary_bus": 4,
+          "irq": 22,
           "prog_if": 0
         },
         "driver": "pcieport",
@@ -343,11 +392,28 @@
         "model": "PCI bridge",
         "sysfs_id": "/devices/pci0000:00/0000:00:02.1",
         "sysfs_bus_id": "0000:00:02.1",
+        "resources": [
+          {
+            "type": "irq",
+            "base": 22,
+            "triggered": 0,
+            "enabled": true
+          },
+          {
+            "type": "mem",
+            "base": 2167963648,
+            "range": 4096,
+            "enabled": true,
+            "access": "read_write",
+            "prefetch": "no"
+          }
+        ],
         "detail": {
           "function": 1,
-          "command": 1287,
+          "command": 1031,
           "header_type": 1,
           "secondary_bus": 2,
+          "irq": 22,
           "prog_if": 0
         },
         "driver": "pcieport",
@@ -408,9 +474,10 @@
         "sysfs_bus_id": "0000:00:00.0",
         "detail": {
           "function": 0,
-          "command": 259,
+          "command": 7,
           "header_type": 0,
           "secondary_bus": 0,
+          "irq": 0,
           "prog_if": 0
         },
         "module_alias": "pci:v00008086d000029C0sv00001AF4sd00001100bc06sc00i00"
@@ -465,11 +532,28 @@
         "model": "PCI bridge",
         "sysfs_id": "/devices/pci0000:00/0000:00:03.0",
         "sysfs_bus_id": "0000:00:03.0",
+        "resources": [
+          {
+            "type": "irq",
+            "base": 23,
+            "triggered": 0,
+            "enabled": true
+          },
+          {
+            "type": "mem",
+            "base": 2167934976,
+            "range": 4096,
+            "enabled": true,
+            "access": "read_write",
+            "prefetch": "no"
+          }
+        ],
         "detail": {
           "function": 0,
-          "command": 1287,
+          "command": 1031,
           "header_type": 1,
           "secondary_bus": 9,
+          "irq": 23,
           "prog_if": 0
         },
         "driver": "pcieport",
@@ -532,11 +616,28 @@
         "model": "PCI bridge",
         "sysfs_id": "/devices/pci0000:00/0000:00:02.6",
         "sysfs_bus_id": "0000:00:02.6",
+        "resources": [
+          {
+            "type": "irq",
+            "base": 22,
+            "triggered": 0,
+            "enabled": true
+          },
+          {
+            "type": "mem",
+            "base": 2167943168,
+            "range": 4096,
+            "enabled": true,
+            "access": "read_write",
+            "prefetch": "no"
+          }
+        ],
         "detail": {
           "function": 6,
-          "command": 1287,
+          "command": 1031,
           "header_type": 1,
           "secondary_bus": 7,
+          "irq": 22,
           "prog_if": 0
         },
         "driver": "pcieport",
@@ -599,11 +700,28 @@
         "model": "PCI bridge",
         "sysfs_id": "/devices/pci0000:00/0000:00:02.4",
         "sysfs_bus_id": "0000:00:02.4",
+        "resources": [
+          {
+            "type": "irq",
+            "base": 22,
+            "triggered": 0,
+            "enabled": true
+          },
+          {
+            "type": "mem",
+            "base": 2167951360,
+            "range": 4096,
+            "enabled": true,
+            "access": "read_write",
+            "prefetch": "no"
+          }
+        ],
         "detail": {
           "function": 4,
-          "command": 1287,
+          "command": 1031,
           "header_type": 1,
           "secondary_bus": 5,
+          "irq": 22,
           "prog_if": 0
         },
         "driver": "pcieport",
@@ -666,11 +784,28 @@
         "model": "PCI bridge",
         "sysfs_id": "/devices/pci0000:00/0000:00:02.2",
         "sysfs_bus_id": "0000:00:02.2",
+        "resources": [
+          {
+            "type": "irq",
+            "base": 22,
+            "triggered": 0,
+            "enabled": true
+          },
+          {
+            "type": "mem",
+            "base": 2167959552,
+            "range": 4096,
+            "enabled": true,
+            "access": "read_write",
+            "prefetch": "no"
+          }
+        ],
         "detail": {
           "function": 2,
-          "command": 1287,
+          "command": 1031,
           "header_type": 1,
           "secondary_bus": 3,
+          "irq": 22,
           "prog_if": 0
         },
         "driver": "pcieport",
@@ -733,11 +868,28 @@
         "model": "PCI bridge",
         "sysfs_id": "/devices/pci0000:00/0000:00:02.0",
         "sysfs_bus_id": "0000:00:02.0",
+        "resources": [
+          {
+            "type": "irq",
+            "base": 22,
+            "triggered": 0,
+            "enabled": true
+          },
+          {
+            "type": "mem",
+            "base": 2167967744,
+            "range": 4096,
+            "enabled": true,
+            "access": "read_write",
+            "prefetch": "no"
+          }
+        ],
         "detail": {
           "function": 0,
-          "command": 1287,
+          "command": 1031,
           "header_type": 1,
           "secondary_bus": 1,
+          "irq": 22,
           "prog_if": 0
         },
         "driver": "pcieport",
@@ -753,7 +905,7 @@
     ],
     "cdrom": [
       {
-        "index": 35,
+        "index": 34,
         "attached_to": 7,
         "class_list": [
           "cdrom",
@@ -803,6 +955,13 @@
         "sysfs_id": "/class/block/sr0",
         "sysfs_bus_id": "1:0:0:0",
         "sysfs_device_link": "/devices/pci0000:00/0000:00:1f.2/ata1/host1/target1:0:0/1:0:0:0",
+        "unix_device_name": "/dev/sr0",
+        "unix_device_number": {
+          "type": 98,
+          "major": 11,
+          "minor": 0,
+          "range": 1
+        },
         "unix_device_names": [
           "/dev/cdrom",
           "/dev/disk/by-id/ata-QEMU_DVD-ROM_QM00001",
@@ -810,7 +969,13 @@
           "/dev/disk/by-path/pci-0000:00:1f.2-ata-1.0",
           "/dev/sr0"
         ],
-        "unix_device_name2": "/dev/sg2",
+        "unix_device_name2": "/dev/sg1",
+        "unix_device_number2": {
+          "type": 99,
+          "major": 21,
+          "minor": 1,
+          "range": 1
+        },
         "driver": "ahci",
         "driver_module": "ahci",
         "drivers": [
@@ -826,11 +991,10 @@
     "cpu": [
       {
         "architecture": "x86_64",
-        "vendor_name": "GenuineIntel",
-        "model_name": "Intel Xeon Processor (Skylake, IBRS, no TSX)",
-        "family": 6,
-        "model": 85,
-        "stepping": 4,
+        "vendor_name": "AuthenticAMD",
+        "family": 25,
+        "model": 17,
+        "stepping": 0,
         "features": [
           "fpu",
           "vme",
@@ -857,6 +1021,8 @@
           "ht",
           "syscall",
           "nx",
+          "mmxext",
+          "fxsr_opt",
           "pdpe1gb",
           "rdtscp",
           "lm",
@@ -864,6 +1030,7 @@
           "nopl",
           "xtopology",
           "cpuid",
+          "extd_apicid",
           "tsc_known_freq",
           "pni",
           "pclmulqdq",
@@ -876,7 +1043,6 @@
           "x2apic",
           "movbe",
           "popcnt",
-          "tsc_deadline_timer",
           "aes",
           "xsave",
           "avx",
@@ -884,13 +1050,21 @@
           "rdrand",
           "hypervisor",
           "lahf_lm",
+          "cmp_legacy",
+          "cr8_legacy",
           "abm",
+          "sse4a",
+          "misalignsse",
           "3dnowprefetch",
-          "cpuid_fault",
-          "pti",
+          "osvw",
+          "topoext",
+          "perfctr_core",
           "ssbd",
           "ibrs",
           "ibpb",
+          "stibp",
+          "ibrs_enhanced",
+          "vmmcall",
           "fsgsbase",
           "bmi1",
           "avx2",
@@ -903,142 +1077,67 @@
           "rdseed",
           "adx",
           "smap",
+          "avx512ifma",
+          "clflushopt",
           "clwb",
           "avx512cd",
+          "sha_ni",
           "avx512bw",
           "avx512vl",
           "xsaveopt",
           "xsavec",
           "xgetbv1",
           "xsaves",
+          "avx512_bf16",
+          "clzero",
+          "xsaveerptr",
+          "wbnoinvd",
           "arat",
+          "avx512vbmi",
+          "umip",
           "pku",
           "ospke",
-          "md_clear"
+          "avx512_vbmi2",
+          "gfni",
+          "vaes",
+          "vpclmulqdq",
+          "avx512_vnni",
+          "avx512_bitalg",
+          "avx512_vpopcntdq",
+          "la57",
+          "rdpid",
+          "fsrm"
         ],
         "bugs": [
-          "cpu_meltdown",
+          "sysret_ss_attrs",
           "spectre_v1",
           "spectre_v2",
           "spec_store_bypass",
-          "l1tf",
-          "mds",
-          "swapgs",
-          "itlb_multihit",
-          "mmio_stale_data",
-          "retbleed",
-          "gds",
-          "bhi",
-          "spectre_v2_user",
-          "its"
+          "srso",
+          "ibpb_no_ret"
         ],
-        "power_management": [
-          ""
-        ],
-        "bogo": 4190,
-        "cache": 16384,
+        "bogo": 4799.99,
+        "cache": 1024,
         "units": 2,
-        "page_size": 4096,
         "physical_id": 0,
         "siblings": 2,
         "cores": 2,
-        "fpu": false,
-        "fpu_exception": false,
+        "fpu": true,
+        "fpu_exception": true,
         "cpuid_level": 13,
         "write_protect": false,
+        "tlb_size": 1024,
         "clflush_size": 64,
         "cache_alignment": 64,
         "address_sizes": {
           "physical": "0x28",
-          "virtual": "0x30"
+          "virtual": "0x39"
         }
       }
     ],
     "disk": [
       {
-        "index": 34,
-        "attached_to": 30,
-        "class_list": [
-          "disk",
-          "scsi",
-          "block_device"
-        ],
-        "bus_type": {
-          "hex": "0084",
-          "name": "SCSI",
-          "value": 132
-        },
-        "slot": {
-          "bus": 0,
-          "number": 0
-        },
-        "base_class": {
-          "hex": "0106",
-          "name": "Mass Storage Device",
-          "value": 262
-        },
-        "sub_class": {
-          "hex": "0000",
-          "name": "Disk",
-          "value": 0
-        },
-        "vendor": {
-          "hex": "0000",
-          "name": "HC",
-          "value": 0
-        },
-        "device": {
-          "hex": "0000",
-          "name": "Volume",
-          "value": 0
-        },
-        "revision": {
-          "hex": "0000",
-          "name": "2.5+",
-          "value": 0
-        },
-        "serial": "104431809",
-        "model": "HC Volume",
-        "sysfs_id": "/class/block/sdb",
-        "sysfs_bus_id": "0:0:0:1",
-        "sysfs_device_link": "/devices/pci0000:00/0000:00:02.5/0000:06:00.0/virtio5/host0/target0:0:0/0:0:0:1",
-        "unix_device_names": [
-          "/dev/disk/by-id/scsi-0HC_Volume_104431809",
-          "/dev/disk/by-path/pci-0000:06:00.0-scsi-0:0:0:1",
-          "/dev/disk/by-uuid/0ca2e850-f560-450d-8f05-bcd03079463b",
-          "/dev/sdb"
-        ],
-        "unix_device_name2": "/dev/sg1",
-        "rom_id": "0x80",
-        "resources": [
-          {
-            "type": "disk_geo",
-            "cylinders": 15360,
-            "heads": 64,
-            "sectors": 32,
-            "size": "0x0",
-            "geo_type": "logical"
-          },
-          {
-            "type": "size",
-            "unit": "sectors",
-            "value_1": 31457280,
-            "value_2": 512
-          }
-        ],
-        "driver": "virtio_scsi",
-        "driver_module": "virtio_scsi",
-        "drivers": [
-          "sd",
-          "virtio_scsi"
-        ],
-        "driver_modules": [
-          "sd_mod",
-          "virtio_scsi"
-        ]
-      },
-      {
-        "index": 36,
+        "index": 35,
         "attached_to": 30,
         "class_list": [
           "disk",
@@ -1083,26 +1182,39 @@
         "sysfs_id": "/class/block/sda",
         "sysfs_bus_id": "0:0:0:0",
         "sysfs_device_link": "/devices/pci0000:00/0000:00:02.5/0000:06:00.0/virtio5/host0/target0:0:0/0:0:0:0",
+        "unix_device_name": "/dev/sda",
+        "unix_device_number": {
+          "type": 98,
+          "major": 8,
+          "minor": 0,
+          "range": 16
+        },
         "unix_device_names": [
-          "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_107569895",
+          "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_132574142",
           "/dev/disk/by-path/pci-0000:06:00.0-scsi-0:0:0:0",
           "/dev/sda"
         ],
         "unix_device_name2": "/dev/sg0",
-        "rom_id": "0x81",
+        "unix_device_number2": {
+          "type": 99,
+          "major": 21,
+          "minor": 0,
+          "range": 1
+        },
+        "rom_id": "0x80",
         "resources": [
           {
             "type": "disk_geo",
-            "cylinders": 39064,
-            "heads": 64,
-            "sectors": 32,
+            "cylinders": 9959,
+            "heads": 255,
+            "sectors": 63,
             "size": "0x0",
             "geo_type": "logical"
           },
           {
             "type": "size",
             "unit": "sectors",
-            "value_1": 80003072,
+            "value_1": 160006144,
             "value_2": 512
           }
         ],
@@ -1173,11 +1285,52 @@
         "model": "VGA compatible controller",
         "sysfs_id": "/devices/pci0000:00/0000:00:01.0",
         "sysfs_bus_id": "0000:00:01.0",
+        "resources": [
+          {
+            "type": "irq",
+            "base": 21,
+            "triggered": 0,
+            "enabled": true
+          },
+          {
+            "type": "mem",
+            "base": 2147483648,
+            "range": 8388608,
+            "enabled": true,
+            "access": "read_only",
+            "prefetch": "no"
+          },
+          {
+            "type": "mem",
+            "base": 2167971840,
+            "range": 4096,
+            "enabled": true,
+            "access": "read_write",
+            "prefetch": "no"
+          },
+          {
+            "type": "mem",
+            "base": 786432,
+            "range": 131072,
+            "enabled": false,
+            "access": "read_write",
+            "prefetch": "no"
+          },
+          {
+            "type": "mem",
+            "base": 826249576448,
+            "range": 16384,
+            "enabled": true,
+            "access": "read_only",
+            "prefetch": "no"
+          }
+        ],
         "detail": {
           "function": 0,
-          "command": 1287,
+          "command": 1031,
           "header_type": 0,
           "secondary_bus": 0,
+          "irq": 21,
           "prog_if": 0
         },
         "driver": "virtio-pci",
@@ -1193,7 +1346,7 @@
     ],
     "hub": [
       {
-        "index": 37,
+        "index": 36,
         "attached_to": 11,
         "class_list": [
           "usb",
@@ -1215,7 +1368,7 @@
         },
         "vendor": {
           "hex": "1d6b",
-          "name": "Linux 6.18.33 xhci-hcd",
+          "name": "Linux 6.14.10 xhci-hcd",
           "value": 7531
         },
         "device": {
@@ -1225,11 +1378,11 @@
         },
         "revision": {
           "hex": "0000",
-          "name": "6.18",
+          "name": "6.14",
           "value": 0
         },
         "serial": "0000:02:00.0",
-        "model": "Linux 6.18.33 xhci-hcd xHCI Host Controller",
+        "model": "Linux 6.14.10 xhci-hcd xHCI Host Controller",
         "sysfs_id": "/devices/pci0000:00/0000:00:02.1/0000:02:00.0/usb1/1-0:1.0",
         "sysfs_bus_id": "1-0:1.0",
         "resources": [
@@ -1277,10 +1430,10 @@
         "driver_modules": [
           "usbcore"
         ],
-        "module_alias": "usb:v1D6Bp0002d0618dc09dsc00dp01ic09isc00ip00in00"
+        "module_alias": "usb:v1D6Bp0002d0614dc09dsc00dp01ic09isc00ip00in00"
       },
       {
-        "index": 39,
+        "index": 38,
         "attached_to": 11,
         "class_list": [
           "usb",
@@ -1302,7 +1455,7 @@
         },
         "vendor": {
           "hex": "1d6b",
-          "name": "Linux 6.18.33 xhci-hcd",
+          "name": "Linux 6.14.10 xhci-hcd",
           "value": 7531
         },
         "device": {
@@ -1312,11 +1465,11 @@
         },
         "revision": {
           "hex": "0000",
-          "name": "6.18",
+          "name": "6.14",
           "value": 0
         },
         "serial": "0000:02:00.0",
-        "model": "Linux 6.18.33 xhci-hcd xHCI Host Controller",
+        "model": "Linux 6.14.10 xhci-hcd xHCI Host Controller",
         "sysfs_id": "/devices/pci0000:00/0000:00:02.1/0000:02:00.0/usb2/2-0:1.0",
         "sysfs_bus_id": "2-0:1.0",
         "detail": {
@@ -1354,7 +1507,7 @@
         "driver_modules": [
           "usbcore"
         ],
-        "module_alias": "usb:v1D6Bp0003d0618dc09dsc00dp03ic09isc00ip00in00"
+        "module_alias": "usb:v1D6Bp0003d0614dc09dsc00dp03ic09isc00ip00in00"
       }
     ],
     "memory": [
@@ -1376,6 +1529,14 @@
         },
         "model": "Main Memory",
         "resources": [
+          {
+            "type": "mem",
+            "base": 0,
+            "range": 3993718784,
+            "enabled": true,
+            "access": "read_write",
+            "prefetch": "unknown"
+          },
           {
             "type": "phys_mem",
             "range": 4026531840
@@ -1533,8 +1694,8 @@
     ],
     "mouse": [
       {
-        "index": 38,
-        "attached_to": 37,
+        "index": 37,
+        "attached_to": 36,
         "class_list": [
           "mouse",
           "usb"
@@ -1574,10 +1735,23 @@
         "model": "QEMU USB Tablet",
         "sysfs_id": "/devices/pci0000:00/0000:00:02.1/0000:02:00.0/usb1/1-1/1-1:1.0",
         "sysfs_bus_id": "1-1:1.0",
+        "unix_device_name": "/dev/input/mice",
+        "unix_device_number": {
+          "type": 99,
+          "major": 13,
+          "minor": 63,
+          "range": 1
+        },
         "unix_device_names": [
           "/dev/input/mice"
         ],
         "unix_device_name2": "/dev/input/mouse0",
+        "unix_device_number2": {
+          "type": 99,
+          "major": 13,
+          "minor": 32,
+          "range": 1
+        },
         "resources": [
           {
             "type": "baud",
@@ -1668,6 +1842,7 @@
         "model": "Virtio Ethernet Card 0",
         "sysfs_id": "/devices/pci0000:00/0000:00:02.0/0000:01:00.0/virtio1",
         "sysfs_bus_id": "virtio1",
+        "unix_device_name": "enp1s0",
         "unix_device_names": [
           "enp1s0"
         ],
@@ -1694,7 +1869,30 @@
     ],
     "network_interface": [
       {
-        "index": 50,
+        "index": 39,
+        "attached_to": 0,
+        "class_list": [
+          "network_interface"
+        ],
+        "base_class": {
+          "hex": "0107",
+          "name": "Network Interface",
+          "value": 263
+        },
+        "sub_class": {
+          "hex": "0000",
+          "name": "Loopback",
+          "value": 0
+        },
+        "model": "Loopback network interface",
+        "sysfs_id": "/class/net/lo",
+        "unix_device_name": "lo",
+        "unix_device_names": [
+          "lo"
+        ]
+      },
+      {
+        "index": 40,
         "attached_to": 26,
         "class_list": [
           "network_interface"
@@ -1712,6 +1910,7 @@
         "model": "Ethernet network interface",
         "sysfs_id": "/class/net/enp1s0",
         "sysfs_device_link": "/devices/pci0000:00/0000:00:02.0/0000:01:00.0/virtio1",
+        "unix_device_name": "enp1s0",
         "unix_device_names": [
           "enp1s0"
         ],
@@ -1733,28 +1932,6 @@
         "driver_modules": [
           "virtio_net"
         ]
-      },
-      {
-        "index": 51,
-        "attached_to": 0,
-        "class_list": [
-          "network_interface"
-        ],
-        "base_class": {
-          "hex": "0107",
-          "name": "Network Interface",
-          "value": 263
-        },
-        "sub_class": {
-          "hex": "0000",
-          "name": "Loopback",
-          "value": 0
-        },
-        "model": "Loopback network interface",
-        "sysfs_id": "/class/net/lo",
-        "unix_device_names": [
-          "lo"
-        ]
       }
     ],
     "pci": [
@@ -1807,11 +1984,36 @@
         "model": "Communication controller",
         "sysfs_id": "/devices/pci0000:00/0000:00:02.2/0000:03:00.0",
         "sysfs_bus_id": "0000:03:00.0",
+        "resources": [
+          {
+            "type": "irq",
+            "base": 22,
+            "triggered": 0,
+            "enabled": true
+          },
+          {
+            "type": "mem",
+            "base": 2164260864,
+            "range": 4096,
+            "enabled": true,
+            "access": "read_write",
+            "prefetch": "no"
+          },
+          {
+            "type": "mem",
+            "base": 826245382144,
+            "range": 16384,
+            "enabled": true,
+            "access": "read_only",
+            "prefetch": "no"
+          }
+        ],
         "detail": {
           "function": 0,
-          "command": 1287,
+          "command": 1031,
           "header_type": 0,
           "secondary_bus": 0,
+          "irq": 22,
           "prog_if": 0
         },
         "driver": "virtio-pci",
@@ -1873,11 +2075,44 @@
         "model": "Ethernet controller",
         "sysfs_id": "/devices/pci0000:00/0000:00:02.0/0000:01:00.0",
         "sysfs_bus_id": "0000:01:00.0",
+        "resources": [
+          {
+            "type": "irq",
+            "base": 22,
+            "triggered": 0,
+            "enabled": true
+          },
+          {
+            "type": "mem",
+            "base": 2166358016,
+            "range": 4096,
+            "enabled": true,
+            "access": "read_write",
+            "prefetch": "no"
+          },
+          {
+            "type": "mem",
+            "base": 2166882304,
+            "range": 524288,
+            "enabled": false,
+            "access": "read_only",
+            "prefetch": "no"
+          },
+          {
+            "type": "mem",
+            "base": 826244333568,
+            "range": 16384,
+            "enabled": true,
+            "access": "read_only",
+            "prefetch": "no"
+          }
+        ],
         "detail": {
           "function": 0,
-          "command": 1287,
+          "command": 1031,
           "header_type": 0,
           "secondary_bus": 0,
+          "irq": 22,
           "prog_if": 0
         },
         "driver": "virtio-pci",
@@ -1943,17 +2178,24 @@
         "resources": [
           {
             "type": "io",
-            "base": 1792,
+            "base": 24576,
             "range": 64,
             "enabled": true,
             "access": "read_write"
+          },
+          {
+            "type": "irq",
+            "base": 16,
+            "triggered": 0,
+            "enabled": true
           }
         ],
         "detail": {
           "function": 3,
-          "command": 259,
+          "command": 3,
           "header_type": 0,
           "secondary_bus": 0,
+          "irq": 16,
           "prog_if": 0
         },
         "driver": "i801_smbus",
@@ -2014,11 +2256,36 @@
         "model": "Unclassified device",
         "sysfs_id": "/devices/pci0000:00/0000:00:02.4/0000:05:00.0",
         "sysfs_bus_id": "0000:05:00.0",
+        "resources": [
+          {
+            "type": "irq",
+            "base": 22,
+            "triggered": 0,
+            "enabled": true
+          },
+          {
+            "type": "mem",
+            "base": 2163212288,
+            "range": 4096,
+            "enabled": true,
+            "access": "read_write",
+            "prefetch": "no"
+          },
+          {
+            "type": "mem",
+            "base": 826247479296,
+            "range": 16384,
+            "enabled": true,
+            "access": "read_only",
+            "prefetch": "no"
+          }
+        ],
         "detail": {
           "function": 0,
-          "command": 1287,
+          "command": 1031,
           "header_type": 0,
           "secondary_bus": 0,
+          "irq": 22,
           "prog_if": 0
         },
         "driver": "virtio-pci",
@@ -2079,11 +2346,28 @@
         "model": "Unclassified device",
         "sysfs_id": "/devices/pci0000:00/0000:00:02.3/0000:04:00.0",
         "sysfs_bus_id": "0000:04:00.0",
+        "resources": [
+          {
+            "type": "irq",
+            "base": 22,
+            "triggered": 0,
+            "enabled": true
+          },
+          {
+            "type": "mem",
+            "base": 826246430720,
+            "range": 16384,
+            "enabled": true,
+            "access": "read_only",
+            "prefetch": "no"
+          }
+        ],
         "detail": {
           "function": 0,
-          "command": 263,
+          "command": 7,
           "header_type": 0,
           "secondary_bus": 0,
+          "irq": 22,
           "prog_if": 0
         },
         "driver": "virtio-pci",
@@ -2154,17 +2438,32 @@
         "resources": [
           {
             "type": "io",
-            "base": 49216,
+            "base": 24640,
             "range": 32,
             "enabled": true,
             "access": "read_write"
+          },
+          {
+            "type": "irq",
+            "base": 46,
+            "triggered": 0,
+            "enabled": true
+          },
+          {
+            "type": "mem",
+            "base": 2167930880,
+            "range": 4096,
+            "enabled": true,
+            "access": "read_write",
+            "prefetch": "no"
           }
         ],
         "detail": {
           "function": 2,
-          "command": 1287,
+          "command": 1031,
           "header_type": 0,
           "secondary_bus": 0,
+          "irq": 46,
           "prog_if": 1
         },
         "driver": "ahci",
@@ -2226,11 +2525,36 @@
         "model": "SCSI storage controller",
         "sysfs_id": "/devices/pci0000:00/0000:00:02.5/0000:06:00.0",
         "sysfs_bus_id": "0000:06:00.0",
+        "resources": [
+          {
+            "type": "irq",
+            "base": 22,
+            "triggered": 0,
+            "enabled": true
+          },
+          {
+            "type": "mem",
+            "base": 2162163712,
+            "range": 4096,
+            "enabled": true,
+            "access": "read_write",
+            "prefetch": "no"
+          },
+          {
+            "type": "mem",
+            "base": 826248527872,
+            "range": 16384,
+            "enabled": true,
+            "access": "read_only",
+            "prefetch": "no"
+          }
+        ],
         "detail": {
           "function": 0,
-          "command": 1287,
+          "command": 1031,
           "header_type": 0,
           "secondary_bus": 0,
+          "irq": 22,
           "prog_if": 0
         },
         "driver": "virtio-pci",
@@ -2430,6 +2754,7 @@
           "value": 0
         },
         "model": "16550A",
+        "unix_device_name": "/dev/ttyS0",
         "unix_device_names": [
           "/dev/ttyS0"
         ],
@@ -2440,6 +2765,12 @@
             "range": 0,
             "enabled": true,
             "access": "read_write"
+          },
+          {
+            "type": "irq",
+            "base": 4,
+            "triggered": 0,
+            "enabled": true
           }
         ]
       }
@@ -2498,11 +2829,28 @@
         "model": "USB Controller",
         "sysfs_id": "/devices/pci0000:00/0000:00:02.1/0000:02:00.0",
         "sysfs_bus_id": "0000:02:00.0",
+        "resources": [
+          {
+            "type": "irq",
+            "base": 22,
+            "triggered": 0,
+            "enabled": true
+          },
+          {
+            "type": "mem",
+            "base": 2165309440,
+            "range": 16384,
+            "enabled": true,
+            "access": "read_write",
+            "prefetch": "no"
+          }
+        ],
         "detail": {
           "function": 0,
-          "command": 1287,
+          "command": 1031,
           "header_type": 0,
           "secondary_bus": 0,
+          "irq": 22,
           "prog_if": 48
         },
         "driver": "xhci_hcd",
@@ -2692,4 +3040,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/modules/bootloader/default.nix b/modules/bootloader/default.nix
index 50f5134..eea3285 100644
--- a/modules/bootloader/default.nix
+++ b/modules/bootloader/default.nix
@@ -1,17 +1,31 @@
 { lib, config, ... }:
 
 {
-  options.bootloader.enable = lib.mkOption {
-    default = false;
-    type = lib.types.bool;
-  };
-
-  config = lib.mkIf config.bootloader.enable {
-    boot = {
-      loader = {
-        systemd-boot.enable = true;
-        efi.canTouchEfiVariables = true;
-      };
+  options.bootloader = {
+    enable = lib.mkOption {
+      default = false;
+      type = lib.types.bool;
+    };
+    firmware = lib.mkOption {
+      default = "uefi";
+      type = lib.types.enum [
+        "bios"
+        "uefi"
+      ];
     };
   };
+
+  config = lib.mkIf config.bootloader.enable (
+    lib.mkMerge [
+      (lib.mkIf (config.bootloader.firmware == "uefi") {
+        boot.loader = {
+          systemd-boot.enable = true;
+          efi.canTouchEfiVariables = true;
+        };
+      })
+      (lib.mkIf (config.bootloader.firmware == "bios") {
+        boot.loader.grub.enable = true;
+      })
+    ]
+  );
 }