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e386b444 | 1 | /** @file\r |
2 | Resource Publication Library that uses PEI Core Services to publish system memory.\r | |
3 | \r | |
9095d37b LG |
4 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
5 | This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php.\r | |
e386b444 | 9 | \r |
9095d37b LG |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
e386b444 | 12 | \r |
e386b444 | 13 | **/\r |
14 | \r | |
15 | \r | |
c892d846 | 16 | \r |
c7d265a9 | 17 | #include <PiPei.h>\r |
c892d846 | 18 | \r |
19 | \r | |
c7d265a9 | 20 | #include <Library/ResourcePublicationLib.h>\r |
21 | #include <Library/PeiServicesLib.h>\r | |
22 | #include <Library/DebugLib.h>\r | |
23 | \r | |
e386b444 | 24 | \r |
25 | /**\r | |
e386b444 | 26 | Declares the presence of permanent system memory in the platform.\r |
27 | \r | |
28 | Declares that the system memory buffer specified by MemoryBegin and MemoryLength\r | |
29 | as permanent memory that may be used for general purpose use by software.\r | |
30 | The amount of memory available to software may be less than MemoryLength\r | |
9095d37b | 31 | if published memory has alignment restrictions.\r |
e934a741 | 32 | If MemoryLength is 0, then ASSERT().\r |
9095d37b | 33 | If MemoryLength is greater than (MAX_ADDRESS - MemoryBegin + 1), then ASSERT().\r |
e386b444 | 34 | \r |
35 | @param MemoryBegin The start address of the memory being declared.\r | |
36 | @param MemoryLength The number of bytes of memory being declared.\r | |
37 | \r | |
38 | @retval RETURN_SUCCESS The memory buffer was published.\r | |
39 | @retval RETURN_OUT_OF_RESOURCES There are not enough resources to publish the memory buffer\r | |
40 | \r | |
41 | **/\r | |
42 | RETURN_STATUS\r | |
43 | EFIAPI\r | |
44 | PublishSystemMemory (\r | |
45 | IN PHYSICAL_ADDRESS MemoryBegin,\r | |
46 | IN UINT64 MemoryLength\r | |
47 | )\r | |
48 | {\r | |
49 | EFI_STATUS Status;\r | |
50 | \r | |
51 | ASSERT (MemoryLength > 0);\r | |
52 | ASSERT (MemoryLength <= (MAX_ADDRESS - MemoryBegin + 1));\r | |
53 | \r | |
54 | Status = PeiServicesInstallPeiMemory (MemoryBegin, MemoryLength);\r | |
9095d37b | 55 | \r |
e386b444 | 56 | return (RETURN_STATUS) Status;\r |
57 | }\r | |
58 | \r |