97 lines
3.0 KiB
C
97 lines
3.0 KiB
C
/** @file
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PCH SPI Async SMI handler.
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@copyright
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INTEL CONFIDENTIAL
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Copyright 2014 - 2016 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 Reference:
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**/
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#include "PchInitSmm.h"
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///
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/// Global variables
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///
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GLOBAL_REMOVE_IF_UNREFERENCED PCH_SMI_DISPATCH_PROTOCOL *mPchSmiDispatchProtocol;
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/**
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This hardware SMI handler will be run every time the flash write/earse happens.
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@param[in] DispatchHandle Not used
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**/
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VOID
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EFIAPI
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PchSpiAsyncCallback (
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IN EFI_HANDLE DispatchHandle
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)
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{
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//
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// Dummy SMI handler
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//
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}
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/**
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This fuction install SPI ASYNC SMI handler.
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@retval EFI_SUCCESS Initialization complete.
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**/
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EFI_STATUS
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EFIAPI
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InstallPchSpiAsyncSmiHandler (
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VOID
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)
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{
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EFI_STATUS Status;
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EFI_HANDLE Handle;
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DEBUG ((DEBUG_INFO, "InstallPchSpiAsyncSmiHandler()\n"));
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///
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/// Get the PCH SMM dispatch protocol
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///
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mPchSmiDispatchProtocol = NULL;
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Status = gSmst->SmmLocateProtocol (&gPchSmiDispatchProtocolGuid, NULL, (VOID **) &mPchSmiDispatchProtocol);
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ASSERT_EFI_ERROR (Status);
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///
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/// Register an SpiAsync callback function
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///
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Handle = NULL;
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Status = mPchSmiDispatchProtocol->SpiAsyncRegister (
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mPchSmiDispatchProtocol,
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PchSpiAsyncCallback,
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&Handle
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);
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ASSERT_EFI_ERROR (Status);
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return EFI_SUCCESS;
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}
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