2 This file declares Temporary RAM Support PPI.
3 This Ppi provides the service that migrates temporary RAM into permanent memory.
5 Copyright (c) 2006 - 2008, Intel Corporation
6 All rights reserved. This program and the accompanying materials
7 are licensed and made available under the terms and conditions of the BSD License
8 which accompanies this distribution. The full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
14 @par Revision Reference:
15 This PPI is introduced in PI Version 1.0.
19 #ifndef __TEMPORARY_RAM_SUPPORT_H__
20 #define __TEMPORARY_RAM_SUPPORT_H__
22 #define TEMPORARY_RAM_SUPPORT_PPI_GUID \
23 { 0xdbe23aa9, 0xa345, 0x4b97, {0x85, 0xb6, 0xb2, 0x26, 0xf1, 0x61, 0x73, 0x89} }
27 This service of the TEMPORARY_RAM_SUPPORT_PPI that migrates temporary RAM into
30 @param PeiServices Pointer to the PEI Services Table.
31 @param TemporaryMemoryBase Source Address in temporary memory from which the SEC or PEIM will copy the
32 Temporary RAM contents.
33 @param PermanentMemoryBase Destination Address in permanent memory into which the SEC or PEIM will copy the
34 Temporary RAM contents.
35 @param CopySize Amount of memory to migrate from temporary to permanent memory.
37 @retval EFI_SUCCESS The data was successfully returned.
38 @retval EFI_INVALID_PARAMETER PermanentMemoryBase + CopySize > TemporaryMemoryBase when
39 TemporaryMemoryBase > PermanentMemoryBase.
44 (EFIAPI
* TEMPORARY_RAM_MIGRATION
)(
45 IN CONST EFI_PEI_SERVICES
**PeiServices
,
46 IN EFI_PHYSICAL_ADDRESS TemporaryMemoryBase
,
47 IN EFI_PHYSICAL_ADDRESS PermanentMemoryBase
,
52 /// This service abstracts the ability to migrate contents of the platform early memory store.
55 TEMPORARY_RAM_MIGRATION TemporaryRamMigration
;
56 } TEMPORARY_RAM_SUPPORT_PPI
;
58 extern EFI_GUID gEfiTemporaryRamSupportPpiGuid
;