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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 |
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13 | **/\r |
14 | \r |
15 | \r |
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16 | \r |
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17 | #include <PiPei.h>\r |
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18 | \r |
19 | \r |
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20 | #include <Library/ResourcePublicationLib.h>\r |
21 | #include <Library/PeiServicesLib.h>\r |
22 | #include <Library/DebugLib.h>\r |
23 | \r |
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24 | \r |
25 | /**\r |
26 | \r |
27 | Declares the presence of permanent system memory in the platform.\r |
28 | \r |
29 | Declares that the system memory buffer specified by MemoryBegin and MemoryLength\r |
30 | as permanent memory that may be used for general purpose use by software.\r |
31 | The amount of memory available to software may be less than MemoryLength\r |
32 | if published memory has alignment restrictions. \r |
33 | \r |
34 | @param MemoryBegin The start address of the memory being declared.\r |
35 | @param MemoryLength The number of bytes of memory being declared.\r |
36 | \r |
37 | @retval RETURN_SUCCESS The memory buffer was published.\r |
38 | @retval RETURN_OUT_OF_RESOURCES There are not enough resources to publish the memory buffer\r |
39 | \r |
40 | **/\r |
41 | RETURN_STATUS\r |
42 | EFIAPI\r |
43 | PublishSystemMemory (\r |
44 | IN PHYSICAL_ADDRESS MemoryBegin,\r |
45 | IN UINT64 MemoryLength\r |
46 | )\r |
47 | {\r |
48 | EFI_STATUS Status;\r |
49 | \r |
50 | ASSERT (MemoryLength > 0);\r |
51 | ASSERT (MemoryLength <= (MAX_ADDRESS - MemoryBegin + 1));\r |
52 | \r |
53 | Status = PeiServicesInstallPeiMemory (MemoryBegin, MemoryLength);\r |
54 | \r |
55 | return (RETURN_STATUS) Status;\r |
56 | }\r |
57 | \r |