diff options
Diffstat (limited to 'Board/CPU/TxtDxe/TxtSetup.c')
| -rw-r--r-- | Board/CPU/TxtDxe/TxtSetup.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/Board/CPU/TxtDxe/TxtSetup.c b/Board/CPU/TxtDxe/TxtSetup.c new file mode 100644 index 0000000..2565714 --- /dev/null +++ b/Board/CPU/TxtDxe/TxtSetup.c @@ -0,0 +1,135 @@ +//************************************************************************* +//************************************************************************* +//** ** +//** (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 ** +//** ** +//************************************************************************* +//*************************************************************************
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