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1 | /**@file\r | |
2 | \r | |
3 | Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r | |
4 | This program and the accompanying materials \r | |
5 | are licensed and made available under the terms and conditions of the BSD License \r | |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | FlashMap.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | PEIM to build GUIDed HOBs for platform specific flash map\r | |
19 | \r | |
20 | **/\r | |
21 | \r | |
22 | //\r | |
23 | // The package level header files this module uses\r | |
24 | //\r | |
25 | #include <PiPei.h>\r | |
26 | \r | |
27 | #include <WinNtPeim.h>\r | |
28 | //\r | |
29 | // The protocols, PPI and GUID defintions for this module\r | |
30 | //\r | |
31 | #include <Ppi/NtFwh.h>\r | |
32 | \r | |
33 | #include <Library/DebugLib.h>\r | |
34 | #include <Library/PcdLib.h>\r | |
35 | #include <Library/PeiServicesLib.h>\r | |
36 | \r | |
37 | EFI_STATUS\r | |
38 | EFIAPI\r | |
39 | PeimInitializeFlashMap (\r | |
40 | IN EFI_FFS_FILE_HEADER *FfsHeader,\r | |
41 | IN EFI_PEI_SERVICES **PeiServices\r | |
42 | )\r | |
43 | /*++\r | |
44 | \r | |
45 | Routine Description:\r | |
46 | Build GUIDed HOBs for platform specific flash map\r | |
47 | \r | |
48 | Arguments:\r | |
49 | FfsHeader - A pointer to the EFI_FFS_FILE_HEADER structure.\r | |
50 | PeiServices - General purpose services available to every PEIM.\r | |
51 | \r | |
52 | Returns:\r | |
53 | EFI_STATUS\r | |
54 | \r | |
55 | --*/\r | |
56 | // TODO: EFI_SUCCESS - add return value to function comment\r | |
57 | {\r | |
58 | EFI_STATUS Status;\r | |
59 | NT_FWH_PPI *NtFwhPpi;\r | |
60 | EFI_PHYSICAL_ADDRESS FdBase;\r | |
61 | UINT64 FdSize;\r | |
62 | EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;\r | |
63 | \r | |
64 | DEBUG ((EFI_D_ERROR, "NT 32 Flash Map PEIM Loaded\n"));\r | |
65 | \r | |
66 | //\r | |
67 | // Get the Fwh Information PPI\r | |
68 | //\r | |
69 | Status = PeiServicesLocatePpi (\r | |
70 | &gNtFwhPpiGuid, // GUID\r | |
71 | 0, // INSTANCE\r | |
72 | &PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR\r | |
73 | (VOID**)&NtFwhPpi // PPI\r | |
74 | );\r | |
75 | ASSERT_EFI_ERROR (Status);\r | |
76 | \r | |
77 | //\r | |
78 | // Assume that FD0 contains the Flash map.\r | |
79 | //\r | |
80 | Status = NtFwhPpi->NtFwh (0, &FdBase, &FdSize);\r | |
81 | if (EFI_ERROR (Status)) {\r | |
82 | return Status;\r | |
83 | }\r | |
84 | \r | |
85 | //\r | |
86 | // Relocate the base of FV region \r | |
87 | // \r | |
88 | PcdSet32 (PcdFlashNvStorageVariableBase, PcdGet32 (PcdWinNtFlashNvStorageVariableBase) + (UINT32) FdBase);\r | |
89 | PcdSet32 (PcdFlashNvStorageFtwWorkingBase, PcdGet32 (PcdWinNtFlashNvStorageFtwWorkingBase) + (UINT32) FdBase);\r | |
90 | PcdSet32 (PcdFlashNvStorageFtwSpareBase, PcdGet32 (PcdWinNtFlashNvStorageFtwSpareBase) + (UINT32) FdBase);\r | |
91 | \r | |
92 | return EFI_SUCCESS;\r | |
93 | }\r | |
94 | \r |