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6ae81428 1/**@file\r
56a71b55 2\r
8f2a5f80 3Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r
4e502412 4(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>\r
8f2a5f80 5This program and the accompanying materials \r
56a71b55 6are licensed and made available under the terms and conditions of the BSD License \r
7which accompanies this distribution. The full text of the license may be found at \r
8http://opensource.org/licenses/bsd-license.php \r
9 \r
10THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
11WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
12\r
13Module Name:\r
14\r
15 FlashMap.c\r
16 \r
17Abstract:\r
18\r
19 PEIM to build GUIDed HOBs for platform specific flash map\r
20\r
6ae81428 21**/\r
56a71b55 22\r
56a71b55 23//\r
24// The package level header files this module uses\r
25//\r
26#include <PiPei.h>\r
6d3aa33e 27\r
56a71b55 28#include <WinNtPeim.h>\r
29//\r
30// The protocols, PPI and GUID defintions for this module\r
31//\r
32#include <Ppi/NtFwh.h>\r
6d3aa33e 33\r
56a71b55 34#include <Library/DebugLib.h>\r
56a71b55 35#include <Library/PcdLib.h>\r
6d3aa33e 36#include <Library/PeiServicesLib.h>\r
56a71b55 37\r
38EFI_STATUS\r
39EFIAPI\r
40PeimInitializeFlashMap (\r
41 IN EFI_FFS_FILE_HEADER *FfsHeader,\r
42 IN EFI_PEI_SERVICES **PeiServices\r
43 )\r
44/*++\r
45\r
46Routine Description:\r
47 Build GUIDed HOBs for platform specific flash map\r
48 \r
49Arguments:\r
50 FfsHeader - A pointer to the EFI_FFS_FILE_HEADER structure.\r
51 PeiServices - General purpose services available to every PEIM.\r
52 \r
53Returns:\r
54 EFI_STATUS\r
55\r
56--*/\r
57// TODO: EFI_SUCCESS - add return value to function comment\r
58{\r
59 EFI_STATUS Status;\r
60 NT_FWH_PPI *NtFwhPpi;\r
56a71b55 61 EFI_PHYSICAL_ADDRESS FdBase;\r
62 UINT64 FdSize;\r
6d3aa33e 63 EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;\r
56a71b55 64\r
65 DEBUG ((EFI_D_ERROR, "NT 32 Flash Map PEIM Loaded\n"));\r
66\r
56a71b55 67 //\r
68 // Get the Fwh Information PPI\r
69 //\r
70 Status = PeiServicesLocatePpi (\r
71 &gNtFwhPpiGuid, // GUID\r
72 0, // INSTANCE\r
73 &PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR\r
0b94e319 74 (VOID**)&NtFwhPpi // PPI\r
56a71b55 75 );\r
76 ASSERT_EFI_ERROR (Status);\r
77\r
78 //\r
79 // Assume that FD0 contains the Flash map.\r
80 //\r
81 Status = NtFwhPpi->NtFwh (0, &FdBase, &FdSize);\r
82 if (EFI_ERROR (Status)) {\r
83 return Status;\r
84 }\r
85\r
86 //\r
6d3aa33e 87 // Relocate the base of FV region \r
88 // \r
4e502412
CS
89 if (FdBase >= BASE_4GB) {\r
90 PcdSet64 (PcdFlashNvStorageVariableBase64, PcdGet32 (PcdWinNtFlashNvStorageVariableBase) + (UINT64) FdBase);\r
91 PcdSet64 (PcdFlashNvStorageFtwWorkingBase64, PcdGet32 (PcdWinNtFlashNvStorageFtwWorkingBase) + (UINT64) FdBase);\r
92 PcdSet64 (PcdFlashNvStorageFtwSpareBase64, PcdGet32 (PcdWinNtFlashNvStorageFtwSpareBase) + (UINT64) FdBase);\r
93 } else {\r
94 PcdSet32 (PcdFlashNvStorageVariableBase, PcdGet32 (PcdWinNtFlashNvStorageVariableBase) + (UINT32) FdBase);\r
95 PcdSet32 (PcdFlashNvStorageFtwWorkingBase, PcdGet32 (PcdWinNtFlashNvStorageFtwWorkingBase) + (UINT32) FdBase);\r
96 PcdSet32 (PcdFlashNvStorageFtwSpareBase, PcdGet32 (PcdWinNtFlashNvStorageFtwSpareBase) + (UINT32) FdBase);\r
97 }\r
56a71b55 98\r
99 return EFI_SUCCESS;\r
100}\r
101\r