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/** @file
Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that accompanies this distribution.
The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <Library/SpiFlashCommonLib.h>
#include <Library/SmmServicesTableLib.h>
#include <Protocol/Spi.h>
extern EFI_SPI_PROTOCOL *mSpiProtocol;
extern UINTN mFlashAreaBaseAddress;
extern UINTN mFlashAreaSize;
/**
The library constructuor.
The function does the necessary initialization work for this library
instance.
@param[in] ImageHandle The firmware allocated handle for the UEFI image.
@param[in] SystemTable A pointer to the EFI system table.
@retval EFI_SUCCESS The function always return EFI_SUCCESS for now.
It will ASSERT on error for debug version.
@retval EFI_ERROR Please reference LocateProtocol for error code details.
**/
EFI_STATUS
EFIAPI
SmmSpiFlashCommonLibConstructor (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
mFlashAreaBaseAddress = (UINTN)PcdGet32 (PcdFlashAreaBaseAddress);
mFlashAreaSize = (UINTN)PcdGet32 (PcdFlashAreaSize);
//
// Locate the SMM SPI protocol.
//
Status = gSmst->SmmLocateProtocol (
&gEfiSmmSpiProtocolGuid,
NULL,
(VOID **) &mSpiProtocol
);
ASSERT_EFI_ERROR (Status);
return Status;
}
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