From 41192e6d7966fd043e4be8fc7ebce13084f793a0 Mon Sep 17 00:00:00 2001
From: Loc Huynh <huynhloc.contact@gmail.com>
Date: Sat, 21 Feb 2026 12:48:12 +0700
Subject: [PATCH] bios.py: Add UEFI firmware setup button and boot mode
 detection

---
 usr/lib/linuxmint/mintreport/bios.py | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/usr/lib/linuxmint/mintreport/bios.py b/usr/lib/linuxmint/mintreport/bios.py
index a54b852..1e29fcf 100644
--- a/usr/lib/linuxmint/mintreport/bios.py
+++ b/usr/lib/linuxmint/mintreport/bios.py
@@ -1,6 +1,8 @@
 #!/usr/bin/python3
 import gi
 import os
+import subprocess
+import shutil
 import xapp.SettingsWidgets as Xs
 import xapp.threading as xt
 import xapp.util
@@ -20,6 +22,8 @@ def __init__(self):
         self.set_margin_bottom(0)
         self.section_bios = self.add_section(_("BIOS"))
         self.section_motherboard = self.add_section(_("Motherboard"))
+        # we will only show the firmware setup button on UEFI systems
+        self.has_uefi = False
 
     @xt.run_async
     def load(self):
@@ -34,11 +38,14 @@ def load(self):
         infos_bios.append([_('Release'), read_dmi('bios_release')])
         infos_bios.append([_('Release Date'), read_dmi('bios_date')])
 
+        # determine boot mode (BIOS/UEFI) and whether to show firmware setup
         if not os.path.exists("/sys/firmware/efi"):
             infos_bios.append([_('Boot Mode'), 'BIOS'])
             infos_bios.append([_('Secure Boot'), _("Disabled")])
+            self.has_uefi = False
         else:
             infos_bios.append([_('Boot Mode'), 'UEFI'])
+            self.has_uefi = True
             if read_efi("SecureBoot") == 1:
                 infos_bios.append([_('Secure Boot'), _("Enabled")])
                 setup_mode = read_efi("SetupMode")
@@ -80,8 +87,26 @@ def update_ui(self, infos_bios, infos_motherboard):
             labelValue.set_line_wrap(True)
             widget.pack_end(labelValue, False, False, 0)
             self.section_motherboard.add_row(widget)
+        # if we detected UEFI we add a button at the end of the BIOS section
+        # require systemctl to be available since that's what the button will call
+        if self.has_uefi and shutil.which("systemctl"):
+            btn = Gtk.Button(label=_("Enter Firmware Setup"))
+            btn.connect("clicked", self.on_enter_firmware_setup)
+            # wrap the button in a SettingsWidget row so that it gets the proper margins
+            widget = Xs.SettingsWidget()
+            widget.set_spacing(40)
+            widget.pack_start(btn, False, False, 0)
+            self.section_bios.add_row(widget)
         self.show_all()
 
+    def on_enter_firmware_setup(self, button):
+        """Trigger a reboot into firmware/UEFI setup mode."""
+        try:
+            subprocess.Popen(["systemctl", "reboot", "--firmware-setup"])
+        except Exception as e:
+            # we don't want the UI to crash if systemctl is missing
+            print("Failed to request firmware setup reboot:", e)
+
 # -------------------------------------------------------------------
 # Standalone test window
 # -------------------------------------------------------------------