| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| /* The APM port can be used for generating software SMIs */ |
| |
| OperationRegion (APMP, SystemIO, 0xb2, 2) |
| Field (APMP, ByteAcc, NoLock, Preserve) |
| { |
| APMC, 8, // APM command |
| APMS, 8 // APM status |
| } |
| |
| /* Port 80 POST */ |
| |
| OperationRegion (POST, SystemIO, 0x80, 1) |
| Field (POST, ByteAcc, Lock, Preserve) |
| { |
| DBG0, 8 |
| } |
| |
| /* SMI I/O Trap */ |
| Method(TRAP, 1, Serialized) |
| { |
| Store (Arg0, SMIF) // SMI Function |
| Store (0, TRP0) // Generate trap |
| Return (SMIF) // Return value of SMI handler |
| } |
| |
| /* The _PIC method is called by the OS to choose between interrupt |
| * routing via the i8259 interrupt controller or the APIC. |
| * |
| * _PIC is called with a parameter of 0 for i8259 configuration and |
| * with a parameter of 1 for Local Apic/IOAPIC configuration. |
| */ |
| |
| Method(_PIC, 1) |
| { |
| // Remember the OS' IRQ routing choice. |
| Store(Arg0, PICM) |
| } |
| |
| Method(GOS, 0) |
| { |
| /* Determine the Operating System and save the value in OSYS. |
| * We have to do this in order to be able to work around |
| * certain windows bugs. |
| * |
| * OSYS value | Operating System |
| * -----------+------------------ |
| * 2000 | Windows 2000 |
| * 2001 | Windows XP |
| * 2001 | Windows XP SP1 |
| * 2001 | Windows Server 2003 |
| * 2001 | Windows Server 2003 SP1 |
| * 2002 | Windows XP SP2 |
| * 2006 | Windows Vista |
| * 2006 | Windows Vista SP1 |
| * 2006 | Windows Server 2008 |
| * 2009 | Windows 7 |
| * 2012 | Windows 8 |
| */ |
| |
| /* Let's assume we're running at least Windows 2000 */ |
| Store (2000, OSYS) |
| |
| If (CondRefOf(_OSI)) { |
| If (_OSI("Windows 2001")) { |
| Store (2001, OSYS) |
| } |
| |
| If (_OSI("Windows 2001 SP1")) { |
| Store (2001, OSYS) |
| } |
| |
| If (_OSI("Windows 2001.1")) { |
| Store (2001, OSYS) |
| } |
| |
| If (_OSI("Windows 2001.1 SP1")) { |
| Store (2001, OSYS) |
| } |
| |
| If (_OSI("Windows 2001 SP2")) { |
| Store (2002, OSYS) |
| } |
| |
| If (_OSI("Windows 2006")) { |
| Store (2006, OSYS) |
| } |
| |
| If (_OSI("Windows 2006 SP1")) { |
| Store (2006, OSYS) |
| } |
| |
| If (_OSI("Windows 2006.1")) { |
| Store (2006, OSYS) |
| } |
| |
| If (_OSI("Windows 2009")) { |
| Store (2009, OSYS) |
| } |
| |
| If (_OSI("Windows 2012")) { |
| Store (2012, OSYS) |
| } |
| } |
| } |