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/* 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)
}
}
}
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