91 lines
3.6 KiB
C
91 lines
3.6 KiB
C
/** @file
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This file contains the tests for the SecurePchConfiguration Bit at SMM
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@copyright
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INTEL CONFIDENTIAL
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Copyright 2018 - 2019 Intel Corporation.
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The source code contained or described herein and all documents related to the
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source code ("Material") are owned by Intel Corporation or its suppliers or
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licensors. Title to the Material remains with Intel Corporation or its suppliers
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and licensors. The Material may contain trade secrets and proprietary and
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confidential information of Intel Corporation and its suppliers and licensors,
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and is protected by worldwide copyright and trade secret laws and treaty
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provisions. No part of the Material may be used, copied, reproduced, modified,
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published, uploaded, posted, transmitted, distributed, or disclosed in any way
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without Intel's prior express written permission.
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No license under any patent, copyright, trade secret or other intellectual
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property right is granted to or conferred upon you by disclosure or delivery
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of the Materials, either expressly, by implication, inducement, estoppel or
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otherwise. Any license under such intellectual property rights must be
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express and approved by Intel in writing.
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Unless otherwise agreed by Intel in writing, you may not remove or alter
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this notice or any other notice embedded in Materials by Intel or
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Intel's suppliers or licensors in any way.
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This file contains an 'Intel Peripheral Driver' and is uniquely identified as
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"Intel Reference Module" and is licensed for Intel CPUs and chipsets under
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the terms of your license agreement with Intel or your vendor. This file may
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be modified by the user, subject to additional terms of the license agreement.
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@par Specification
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**/
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#include "HstiIhvSmm.h"
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/**
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Run tests for SecureP2SBSmmConfiguration bit
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@retval Results. If different from 0 all or some Tests Failed.
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**/
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UINT32
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CheckSecurePchSmmConfiguration (
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VOID
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)
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{
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UINT32 UnexpStatus;
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UINT32 EpMask5;
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UINT32 EpMask7;
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UINT32 EpMaskRemoveMaskRegResult;
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UINT32 EpMask5RemoveAccMaskValue;
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UINT32 EpMask7RemoveAccMaskValue;
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EpMask5 = 5;
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EpMask7 = 7;
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UnexpStatus = 0;
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EpMaskRemoveMaskRegResult = 0;
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EpMask5RemoveAccMaskValue = BIT29 | BIT28 | BIT27 | BIT26;
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EpMask7RemoveAccMaskValue = BIT31 | BIT30;
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DEBUG ((DEBUG_INFO, " P2sb Remove Access EPMASK5 Verification Test\n"));
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EpMaskRemoveMaskRegResult = P2sbGetEpmask (EpMask5);
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if ((EpMaskRemoveMaskRegResult & EpMask5RemoveAccMaskValue) != EpMask5RemoveAccMaskValue) {
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DEBUG ((DEBUG_INFO, " Unexpected Status: EPMASK5 Reserved BITS 29-26 = %lx\n", EpMaskRemoveMaskRegResult));
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// Save HSTI P2SB Smm Unexpected error for PCH (P2sbEpMask5RemAccMaskBits29To26UnexpSts)
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UnexpStatus = P2sbEpMask5RemAccMaskBits29To26UnexpSts;
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}
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DEBUG ((DEBUG_INFO, " P2sb Remove Access EPMASK7 Verification Test\n"));
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EpMaskRemoveMaskRegResult = P2sbGetEpmask (EpMask7);
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if ((EpMaskRemoveMaskRegResult & EpMask7RemoveAccMaskValue) != EpMask7RemoveAccMaskValue) {
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DEBUG ((DEBUG_INFO, " Unexpected Status: EPMASK7 Reserved BITS 31-30 = %lx\n", EpMaskRemoveMaskRegResult));
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// Save HSTI P2SB Smm Unexpected error for PCH (P2sbEpMask7RemAccMaskBits31To30UnexpSts)
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UnexpStatus = UnexpStatus | P2sbEpMask7RemAccMaskBits31To30UnexpSts;
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}
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DEBUG ((DEBUG_INFO, " P2SB Mask Bit Locked Test\n"));
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if (!P2sbIsEpmaskLock ()) {
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DEBUG ((DEBUG_INFO, " Unexpected Status: P2SB Mask Unlocked\n"));
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// Save HSTI P2SB Smm Unexpected error for PCH (P2sbLockMaskBitUnexpSts)
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UnexpStatus = UnexpStatus | P2sbLockMaskBitUnexpSts;
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}
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return UnexpStatus;
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}
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