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6ae81428 | 1 | /**@file\r |
56a71b55 | 2 | \r |
8f2a5f80 | 3 | Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r |
9d2eedba | 4 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
56a71b55 | 5 | \r |
6 | Module Name:\r | |
7 | WinNtFwh.c\r | |
8 | \r | |
9 | Abstract:\r | |
10 | PEIM to abstract construction of firmware volume in a Windows NT environment.\r | |
11 | \r | |
12 | Revision History\r | |
13 | \r | |
6ae81428 | 14 | **/\r |
56a71b55 | 15 | \r |
16 | //\r | |
17 | // The package level header files this module uses\r | |
18 | //\r | |
19 | #include <PiPei.h>\r | |
20 | #include <WinNtPeim.h>\r | |
21 | //\r | |
22 | // The protocols, PPI and GUID defintions for this module\r | |
23 | //\r | |
24 | #include <Ppi/NtFwh.h>\r | |
25 | //\r | |
26 | // The Library classes this module consumes\r | |
27 | //\r | |
28 | #include <Library/DebugLib.h>\r | |
29 | #include <Library/PeimEntryPoint.h>\r | |
30 | #include <Library/HobLib.h>\r | |
6d3aa33e | 31 | #include <Library/PcdLib.h>\r |
56a71b55 | 32 | \r |
33 | EFI_STATUS\r | |
34 | EFIAPI\r | |
35 | PeimInitializeWinNtFwh (\r | |
36 | IN EFI_FFS_FILE_HEADER *FfsHeader,\r | |
37 | IN EFI_PEI_SERVICES **PeiServices\r | |
38 | )\r | |
39 | /*++\r | |
40 | \r | |
41 | Routine Description:\r | |
42 | Perform a call-back into the SEC simulator to get address of the Firmware Hub\r | |
43 | \r | |
44 | Arguments:\r | |
8aa9d680 | 45 | FfsHeader - Ffs Header available to every PEIM\r |
56a71b55 | 46 | PeiServices - General purpose services available to every PEIM.\r |
47 | \r | |
48 | Returns:\r | |
49 | None\r | |
50 | \r | |
51 | --*/\r | |
52 | {\r | |
53 | EFI_STATUS Status;\r | |
54 | EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;\r | |
55 | NT_FWH_PPI *FwhPpi;\r | |
56 | EFI_PHYSICAL_ADDRESS FdBase;\r | |
57 | EFI_FIRMWARE_VOLUME_HEADER *FvHeader;\r | |
58 | UINT64 FdSize;\r | |
59 | UINTN Index;\r | |
60 | \r | |
61 | DEBUG ((EFI_D_ERROR, "NT 32 Firmware Volume PEIM Loaded\n"));\r | |
62 | \r | |
63 | //\r | |
64 | // Get the Fwh Information PPI\r | |
65 | //\r | |
66 | Status = (**PeiServices).LocatePpi (\r | |
0b94e319 | 67 | (const EFI_PEI_SERVICES **)PeiServices,\r |
56a71b55 | 68 | &gNtFwhPpiGuid, // GUID\r |
69 | 0, // INSTANCE\r | |
70 | &PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR\r | |
0b94e319 | 71 | (VOID**)&FwhPpi // PPI\r |
56a71b55 | 72 | );\r |
73 | ASSERT_EFI_ERROR (Status);\r | |
74 | \r | |
75 | Index = 0;\r | |
76 | do {\r | |
77 | //\r | |
78 | // Get information about all the FD's in the system\r | |
79 | //\r | |
80 | Status = FwhPpi->NtFwh (Index, &FdBase, &FdSize);\r | |
81 | if (!EFI_ERROR (Status)) {\r | |
82 | //\r | |
83 | // Assume the FD starts with an FV header\r | |
84 | //\r | |
85 | FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) FdBase;\r | |
86 | \r | |
87 | //\r | |
88 | // Make an FV Hob for the first FV in the FD\r | |
89 | //\r | |
90 | BuildFvHob (FdBase, FvHeader->FvLength);\r | |
91 | \r | |
92 | if (Index == 0) {\r | |
93 | //\r | |
94 | // Assume the first FD was produced by the NT32.DSC\r | |
95 | // All these strange offests are needed to keep in\r | |
96 | // sync with the FlashMap and NT32.dsc file\r | |
97 | //\r | |
98 | BuildResourceDescriptorHob (\r | |
99 | EFI_RESOURCE_FIRMWARE_DEVICE,\r | |
100 | (EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),\r | |
101 | FdBase,\r | |
6d3aa33e | 102 | ( \r |
103 | FvHeader->FvLength + \r | |
104 | PcdGet32 (PcdFlashNvStorageVariableSize) +\r | |
105 | PcdGet32 (PcdFlashNvStorageFtwWorkingSize) +\r | |
106 | PcdGet32 (PcdFlashNvStorageFtwSpareSize) +\r | |
107 | PcdGet32 (PcdWinNtFlashNvStorageEventLogSize)\r | |
108 | )\r | |
56a71b55 | 109 | );\r |
56a71b55 | 110 | //\r |
111 | // Hard code the address of the spare block and variable services.\r | |
112 | // Assume it's a hard coded offset from FV0 in FD0.\r | |
113 | //\r | |
6d3aa33e | 114 | FdSize = \r |
115 | PcdGet32 (PcdFlashNvStorageVariableSize) +\r | |
116 | PcdGet32 (PcdFlashNvStorageFtwWorkingSize) +\r | |
117 | PcdGet32 (PcdFlashNvStorageFtwSpareSize) +\r | |
118 | PcdGet32 (PcdWinNtFlashNvStorageEventLogSize);\r | |
56a71b55 | 119 | \r |
706e7534 | 120 | BuildFvHob (FdBase + PcdGet32 (PcdWinNtFlashNvStorageVariableBase), FdSize);\r |
56a71b55 | 121 | } else {\r |
122 | //\r | |
123 | // For other FD's just map them in.\r | |
124 | //\r | |
125 | BuildResourceDescriptorHob (\r | |
126 | EFI_RESOURCE_FIRMWARE_DEVICE,\r | |
127 | (EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),\r | |
128 | FdBase,\r | |
129 | FdSize\r | |
130 | );\r | |
131 | }\r | |
132 | }\r | |
133 | \r | |
134 | Index++;\r | |
135 | } while (!EFI_ERROR (Status));\r | |
136 | \r | |
137 | return Status;\r | |
138 | }\r |