replace ad hoc driver loading with a proper driver manager, new DDK, new PnP manager with device matching, asynchronous startup, resource ownership and removal, add shared PCI capability helpers, replace typed, rigid services with a proper service manager, implement proper system shutdown and restart, shutting down unloads drivers and shuts down services, add simple power button, remove heavyweight boot self-tests and SMP stress runs, add monotonic timestamps to kernel debug output, fruitless USB and PS/2 fixes, make test builds opt in.

code/settings.ini

@@ -29,6 +29,10 @@ hardware_clock=utc
 ; Used when timezone is a custom/fixed policy; minutes east of UTC.
 standard_offset_minutes=60
 
+[power]
+; ACPI fixed power button: shutdown, restart, or ignore. Changes apply after boot.
+button=shutdown
+
 [vm]
 ; 0 disables swap. Nonzero swap must be between 4 MB and 8192 MB.
 swap_size_mb=32