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1 | /** @file\r | |
2 | PEI Services Table Pointer Library.\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: PeiServicesTablePointer.c\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | \r | |
18 | /**\r | |
19 | The function returns the pointer to PeiServices.\r | |
20 | \r | |
21 | The function returns the pointer to PeiServices.\r | |
22 | It will ASSERT() if the pointer to PeiServices is NULL.\r | |
23 | \r | |
24 | @retval The pointer to PeiServices.\r | |
25 | \r | |
26 | **/\r | |
27 | EFI_PEI_SERVICES **\r | |
28 | EFIAPI\r | |
29 | GetPeiServicesTablePointer (\r | |
30 | VOID\r | |
31 | )\r | |
32 | {\r | |
33 | EFI_PEI_SERVICES **PeiServices;\r | |
34 | \r | |
35 | PeiServices = (EFI_PEI_SERVICES **)(UINTN)AsmReadMm7 ();\r | |
36 | ASSERT (PeiServices != NULL);\r | |
37 | return PeiServices;\r | |
38 | }\r | |
39 | \r | |
40 | /**\r | |
41 | The constructor function caches the pointer to PEI services.\r | |
42 | \r | |
43 | The constructor function caches the pointer to PEI services.\r | |
44 | It will always return EFI_SUCCESS.\r | |
45 | \r | |
46 | @param FfsHeader Pointer to FFS header the loaded driver.\r | |
47 | @param PeiServices Pointer to the PEI services.\r | |
48 | \r | |
49 | @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.\r | |
50 | \r | |
51 | **/\r | |
52 | EFI_STATUS\r | |
53 | EFIAPI\r | |
54 | PeiServicesTablePointerLibConstructor (\r | |
55 | IN EFI_FFS_FILE_HEADER *FfsHeader,\r | |
56 | IN EFI_PEI_SERVICES **PeiServices\r | |
57 | )\r | |
58 | {\r | |
59 | AsmWriteMm7 ((UINT64)(UINTN)PeiServices);\r | |
60 | return EFI_SUCCESS;\r | |
61 | }\r |