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fcfd5fb0 LG |
1 | /** @file\r |
2 | This file declares Temporary RAM Done PPI.\r | |
3 | The PPI that provides a service to disable the use of Temporary RAM.\r | |
4 | \r | |
9095d37b | 5 | Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>\r |
9344f092 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
fcfd5fb0 LG |
7 | \r |
8 | @par Revision Reference:\r | |
d18b71c1 | 9 | This PPI is introduced in PI Version 1.2.1.\r |
fcfd5fb0 LG |
10 | \r |
11 | **/\r | |
12 | \r | |
13 | #ifndef __TEMPORARY_RAM_DONE_H__\r | |
14 | #define __TEMPORARY_RAM_DONE_H__\r | |
15 | \r | |
16 | #define EFI_PEI_TEMPORARY_RAM_DONE_PPI_GUID \\r | |
17 | { 0xceab683c, 0xec56, 0x4a2d, { 0xa9, 0x6, 0x40, 0x53, 0xfa, 0x4e, 0x9c, 0x16 } }\r | |
18 | \r | |
19 | /**\r | |
20 | TemporaryRamDone() disables the use of Temporary RAM. If present, this service is invoked\r | |
21 | by the PEI Foundation after the EFI_PEI_PERMANANT_MEMORY_INSTALLED_PPI is installed.\r | |
22 | \r | |
23 | @retval EFI_SUCCESS Use of Temporary RAM was disabled.\r | |
24 | @retval EFI_INVALID_PARAMETER Temporary RAM could not be disabled.\r | |
25 | \r | |
26 | **/\r | |
27 | typedef\r | |
28 | EFI_STATUS\r | |
29 | (EFIAPI * EFI_PEI_TEMPORARY_RAM_DONE) (\r | |
30 | VOID\r | |
31 | );\r | |
32 | \r | |
33 | ///\r | |
34 | /// This is an optional PPI that may be produced by SEC or a PEIM. If present, it provide a service to\r | |
35 | /// disable the use of Temporary RAM. This service may only be called by the PEI Foundation after the\r | |
36 | /// transition from Temporary RAM to Permanent RAM is complete. This PPI provides an alternative\r | |
37 | /// to the Temporary RAM Migration PPI for system architectures that allow Temporary RAM and\r | |
38 | /// Permanent RAM to be enabled and accessed at the same time with no side effects.\r | |
39 | ///\r | |
40 | typedef struct _EFI_PEI_TEMPORARY_RAM_DONE_PPI {\r | |
41 | EFI_PEI_TEMPORARY_RAM_DONE TemporaryRamDone;\r | |
42 | } EFI_PEI_TEMPORARY_RAM_DONE_PPI;\r | |
43 | \r | |
44 | extern EFI_GUID gEfiTemporaryRamDonePpiGuid;\r | |
45 | \r | |
46 | #endif\r |