mirror of https://github.com/acidanthera/audk.git
53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
/** @file
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This file defines the Silicon Temp Ram Exit PPI which implements the
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required programming steps for disabling temporary memory.
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Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _FSP_TEMP_RAM_EXIT_PPI_H_
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#define _FSP_TEMP_RAM_EXIT_PPI_H_
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///
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/// Global ID for the FSP_TEMP_RAM_EXIT_PPI.
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///
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#define FSP_TEMP_RAM_EXIT_GUID \
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{ \
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0xbc1cfbdb, 0x7e50, 0x42be, { 0xb4, 0x87, 0x22, 0xe0, 0xa9, 0x0c, 0xb0, 0x52 } \
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}
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//
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// Forward declaration for the FSP_TEMP_RAM_EXIT_PPI.
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//
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typedef struct _FSP_TEMP_RAM_EXIT_PPI FSP_TEMP_RAM_EXIT_PPI;
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/**
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Silicon function for disabling temporary memory.
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@param[in] TempRamExitParamPtr - Pointer to the TempRamExit parameters structure.
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This structure is normally defined in the Integration
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Guide. If it is not defined in the Integration Guide,
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pass NULL.
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@retval EFI_SUCCESS - FSP execution environment was initialized successfully.
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@retval EFI_INVALID_PARAMETER - Input parameters are invalid.
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@retval EFI_UNSUPPORTED - The FSP calling conditions were not met.
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@retval EFI_DEVICE_ERROR - Temporary memory exit.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *FSP_TEMP_RAM_EXIT) (
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IN VOID *TempRamExitParamPtr
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);
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///
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/// This PPI provides function to disable temporary memory.
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///
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struct _FSP_TEMP_RAM_EXIT_PPI {
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FSP_TEMP_RAM_EXIT TempRamExit;
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};
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extern EFI_GUID gFspTempRamExitPpiGuid;
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#endif // _FSP_TEMP_RAM_EXIT_PPI_H_
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