TemporaryRamSupport.h File Reference

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Classes
struct	EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI

Macros
#define	EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI_GUID    { 0xdbe23aa9, 0xa345, 0x4b97, {0x85, 0xb6, 0xb2, 0x26, 0xf1, 0x61, 0x73, 0x89} }

Typedefs
typedef EFI_STATUS(EFIAPI *	TEMPORARY_RAM_MIGRATION) (IN CONST EFI_PEI_SERVICES **PeiServices, IN EFI_PHYSICAL_ADDRESS TemporaryMemoryBase, IN EFI_PHYSICAL_ADDRESS PermanentMemoryBase, IN UINTN CopySize)

Variables
EFI_GUID	gEfiTemporaryRamSupportPpiGuid

Detailed Description

This file declares Temporary RAM Support PPI. This Ppi provides the service that migrates temporary RAM into permanent memory.

Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which 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.

Revision Reference:

This PPI is introduced in PI Version 1.0.

Macro Definition Documentation

EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI_GUID

#define EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI_GUID    { 0xdbe23aa9, 0xa345, 0x4b97, {0x85, 0xb6, 0xb2, 0x26, 0xf1, 0x61, 0x73, 0x89} }

Note: The GUID name EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI_GUID is different from the current PI 1.2 spec.

Typedef Documentation

TEMPORARY_RAM_MIGRATION

typedef EFI_STATUS(EFIAPI * TEMPORARY_RAM_MIGRATION) (IN CONST EFI_PEI_SERVICES **PeiServices, IN EFI_PHYSICAL_ADDRESS TemporaryMemoryBase, IN EFI_PHYSICAL_ADDRESS PermanentMemoryBase, IN UINTN CopySize)

This service of the EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI that migrates temporary RAM into permanent memory.

Parameters

PeiServices	Pointer to the PEI Services Table.
TemporaryMemoryBase	Source Address in temporary memory from which the SEC or PEIM will copy the Temporary RAM contents.
PermanentMemoryBase	Destination Address in permanent memory into which the SEC or PEIM will copy the Temporary RAM contents.
CopySize	Amount of memory to migrate from temporary to permanent memory.

Return values

EFI_SUCCESS	The data was successfully returned.
EFI_INVALID_PARAMETER	PermanentMemoryBase + CopySize > TemporaryMemoryBase when TemporaryMemoryBase > PermanentMemoryBase.

Variable Documentation

gEfiTemporaryRamSupportPpiGuid

EFI_GUID gEfiTemporaryRamSupportPpiGuid

extern