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