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e386b444 | 1 | /** @file\r |
2 | Resource Publication Library that uses PEI Core Services to publish system memory.\r | |
3 | \r | |
4 | Copyright (c) 2006, Intel Corporation<BR>\r | |
5 | All rights reserved. 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 | |
9 | \r | |
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 | |
12 | \r | |
13 | Module Name: PeiResourcePublicationLib.c\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | \r | |
18 | //\r | |
c7d265a9 | 19 | // The package level header files this module uses\r |
e386b444 | 20 | //\r |
c7d265a9 | 21 | #include <PiPei.h>\r |
22 | //\r | |
23 | // The protocols, PPI and GUID defintions for this module\r | |
24 | //\r | |
25 | //\r | |
26 | // The Library classes this module consumes\r | |
27 | //\r | |
28 | #include <Library/ResourcePublicationLib.h>\r | |
29 | #include <Library/PeiServicesLib.h>\r | |
30 | #include <Library/DebugLib.h>\r | |
31 | \r | |
e386b444 | 32 | \r |
33 | /**\r | |
34 | \r | |
35 | Declares the presence of permanent system memory in the platform.\r | |
36 | \r | |
37 | Declares that the system memory buffer specified by MemoryBegin and MemoryLength\r | |
38 | as permanent memory that may be used for general purpose use by software.\r | |
39 | The amount of memory available to software may be less than MemoryLength\r | |
40 | if published memory has alignment restrictions. \r | |
41 | \r | |
42 | @param MemoryBegin The start address of the memory being declared.\r | |
43 | @param MemoryLength The number of bytes of memory being declared.\r | |
44 | \r | |
45 | @retval RETURN_SUCCESS The memory buffer was published.\r | |
46 | @retval RETURN_OUT_OF_RESOURCES There are not enough resources to publish the memory buffer\r | |
47 | \r | |
48 | **/\r | |
49 | RETURN_STATUS\r | |
50 | EFIAPI\r | |
51 | PublishSystemMemory (\r | |
52 | IN PHYSICAL_ADDRESS MemoryBegin,\r | |
53 | IN UINT64 MemoryLength\r | |
54 | )\r | |
55 | {\r | |
56 | EFI_STATUS Status;\r | |
57 | \r | |
58 | ASSERT (MemoryLength > 0);\r | |
59 | ASSERT (MemoryLength <= (MAX_ADDRESS - MemoryBegin + 1));\r | |
60 | \r | |
61 | Status = PeiServicesInstallPeiMemory (MemoryBegin, MemoryLength);\r | |
62 | \r | |
63 | return (RETURN_STATUS) Status;\r | |
64 | }\r | |
65 | \r |