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//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1987-2013, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
//**********************************************************************
// $Header: /Alaska/SOURCE/Modules/SharkBayRefCodes/Haswell/AMI Cpu PKG/AMI TXT DXE/TxtSetup.c 2 10/14/12 11:49p Davidhsieh $
//
// $Revision: 2 $
//
// $Date: 10/14/12 11:49p $
//**********************************************************************
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/SharkBayRefCodes/Haswell/AMI Cpu PKG/AMI TXT DXE/TxtSetup.c $
//
// 2 10/14/12 11:49p Davidhsieh
// [TAG] None
// [Category] Improvement
// [Description] Use SBLib_ExtResetSystem when pRS->ResetSystem does not
// support GlobaRest type in the project
//
// 1 8/14/12 5:05a Davidhsieh
// [TAG] EIP97190
// [Category] Improvement
// [Description] Changes in TXT Configuration require a Powercycle reset
//
//
//
//**********************************************************************
//<AMI_FHDR_START>
//
// Name: TXTSetup.c
//
// Description:
//
//<AMI_FHDR_END>
//**********************************************************************
//----------------------------------------------------------------------------
// Includes
#include <AmiLib.h>
#include <AmiDxeLib.h>
#include <Setup.h>
#include <AmiCspLib.h>
#include <SetupStrTokens.h>
#pragma pack (1)
typedef struct {
UINT8 SMXSupport;
} SETUP_TXT_FEATURES;
#pragma pack ()
//----------------------------------------------------------------------------
// Local Variables
//----------------------------------------------------------------------------
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
//
// Procedure: TxtExitSetupEvent
//
// Description: This routine for calling global reset if necessary.
//
// Input: EFI_EVENT - Efi event.
// VOID* - Image handle.
//
// Output: None.
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
typedef enum {
mColdReset,
mWarmReset,
mShutdownReset,
mPowerCycleReset,
mGlobalReset,
mGlobalResetWithEc
} PCH_RESET_TYPE;
EFI_STATUS
TxtExitSetupEvent (VOID)
{
EFI_STATUS Status;
SETUP_DATA SetupData;
UINTN VariableSize;
EFI_GUID SetupGuid = SETUP_GUID;
// Get current Setup Data.
VariableSize = sizeof(SETUP_DATA);
Status = pRS->GetVariable ( L"Setup", \
&SetupGuid, \
NULL, \
&VariableSize, \
&SetupData );
if (EFI_ERROR(Status)) return (Status);
if ( SetupData.TxtSupport != 0 ) {
// Generate Global Reset System if TXT is enabled w/o SMX enabled
if ((UINT16)(ReadMsr(0x3A) & 0xFF03) == 0xFF03) return EFI_SUCCESS;
} else {
// Generate Global Reset System if TXT is disabled with SMX enabled.
if ((UINT16)(ReadMsr(0x3A) & 0xFF03) != 0xFF03) return EFI_SUCCESS;
}
// PlatformResetSystem() of ReferenceCode\ME\..\PlatformReset.c
#if defined(RESET_RUNTIME_SERVICES_SUPPORT) && (RESET_RUNTIME_SERVICES_SUPPORT == 0)
pRS->ResetSystem (mGlobalReset, EFI_SUCCESS, 0, NULL);
#else
SBLib_ExtResetSystem (SbResetGlobal);
#endif
EFI_DEADLOOP()
return EFI_SUCCESS;
}
//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1987-2013, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
|
