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 - 2011, Intel Corporation. All rights reserved.<BR>
6 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__
23 /// Note: The GUID name EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI_GUID is different from the current
26 #define EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI_GUID \
27 { 0xdbe23aa9, 0xa345, 0x4b97, {0x85, 0xb6, 0xb2, 0x26, 0xf1, 0x61, 0x73, 0x89} }
31 This service of the EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI that migrates temporary RAM into
34 @param PeiServices Pointer to the PEI Services Table.
35 @param TemporaryMemoryBase Source Address in temporary memory from which the SEC or PEIM will copy the
36 Temporary RAM contents.
37 @param PermanentMemoryBase Destination Address in permanent memory into which the SEC or PEIM will copy the
38 Temporary RAM contents.
39 @param CopySize Amount of memory to migrate from temporary to permanent memory.
41 @retval EFI_SUCCESS The data was successfully returned.
42 @retval EFI_INVALID_PARAMETER PermanentMemoryBase + CopySize > TemporaryMemoryBase when
43 TemporaryMemoryBase > PermanentMemoryBase.
48 (EFIAPI
* TEMPORARY_RAM_MIGRATION
)(
49 IN CONST EFI_PEI_SERVICES
**PeiServices
,
50 IN EFI_PHYSICAL_ADDRESS TemporaryMemoryBase
,
51 IN EFI_PHYSICAL_ADDRESS PermanentMemoryBase
,
56 /// This service abstracts the ability to migrate contents of the platform early memory store.
57 /// Note: The name EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI is different from the current PI 1.2 spec.
58 /// This PPI was optional.
61 TEMPORARY_RAM_MIGRATION TemporaryRamMigration
;
62 } EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI
;
64 extern EFI_GUID gEfiTemporaryRamSupportPpiGuid
;