blob: 21eb3df00d955fa015df015a1d3131370acb06c7 [file] [log] [blame]
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2009 coresystems GmbH
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
/* The _PTS method (Prepare To Sleep) is called before the OS is
* entering a sleep state. The sleep state number is passed in Arg0
*/
Method(_PTS,1)
{
// Call a trap so SMI can prepare for Sleep as well.
// TRAP(0x55)
}
/* The _WAK method is called on system wakeup */
Method(_WAK,1)
{
// CPU specific part
// Notify PCI Express slots in case a card
// was inserted while a sleep state was active.
// Are we going to S3?
If (LEqual(Arg0, 3)) {
// ..
}
// Are we going to S4?
If (LEqual(Arg0, 4)) {
// ..
}
// TODO: Windows XP SP2 P-State restore
Return(Package(){0,0})
}