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bf231ea6 | 1 | /** @file\r |
37f259c9 | 2 | PEI Services Table Pointer Library implementation for IPF that uses Kernel\r |
bf231ea6 | 3 | Register 7 to store the pointer.\r |
c7d265a9 | 4 | \r |
076a01da | 5 | Copyright (c) 2006 - 2008, Intel Corporation.<BR>\r |
37f259c9 | 6 | All rights reserved. This program and the accompanying materials\r |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
c7d265a9 | 10 | \r |
37f259c9 | 11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
c7d265a9 | 13 | \r |
bf231ea6 | 14 | **/\r |
c7d265a9 | 15 | \r |
37f259c9 | 16 | #include <PiPei.h>\r |
c7d265a9 | 17 | #include <Library/BaseLib.h>\r |
37f259c9 | 18 | #include <Library/DebugLib.h>\r |
c7d265a9 | 19 | \r |
20 | /**\r | |
4ef55dfc | 21 | The function returns the pointer to PEI services.\r |
c7d265a9 | 22 | \r |
4ef55dfc | 23 | The function returns the pointer to PEI services.\r |
24 | It will ASSERT() if the pointer to PEI services is NULL.\r | |
c7d265a9 | 25 | \r |
373b5cf9 | 26 | @return The pointer to PeiServices.\r |
c7d265a9 | 27 | \r |
28 | **/\r | |
5240b97c | 29 | CONST EFI_PEI_SERVICES **\r |
c7d265a9 | 30 | EFIAPI\r |
31 | GetPeiServicesTablePointer (\r | |
32 | VOID\r | |
33 | )\r | |
34 | {\r | |
5240b97c | 35 | CONST EFI_PEI_SERVICES **PeiServices;\r |
c7d265a9 | 36 | \r |
5240b97c | 37 | PeiServices = (CONST EFI_PEI_SERVICES **)(UINTN)AsmReadKr7 ();\r |
c7d265a9 | 38 | ASSERT (PeiServices != NULL);\r |
39 | return PeiServices;\r | |
40 | }\r | |
41 | \r | |
61296d0d | 42 | /**\r |
076a01da | 43 | The function set the pointer of PEI services in KR7 register \r |
61296d0d | 44 | according to PI specification.\r |
45 | \r | |
42eedea9 | 46 | @param PeiServicesTablePointer The address of PeiServices pointer.\r |
61296d0d | 47 | **/\r |
48 | VOID\r | |
49 | EFIAPI\r | |
50 | SetPeiServicesTablePointer (\r | |
a86fda43 | 51 | IN CONST EFI_PEI_SERVICES ** PeiServicesTablePointer\r |
61296d0d | 52 | )\r |
53 | {\r | |
58dcdada | 54 | AsmWriteKr7 ((UINT64)(UINTN)PeiServicesTablePointer);\r |
61296d0d | 55 | }\r |
56 | \r | |
58dcdada | 57 | \r |
81c7803c | 58 | \r |
10e53a28 | 59 | \r |