]>
Commit | Line | Data |
---|---|---|
1 | /*++ @file\r | |
2 | \r | |
3 | Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r | |
4 | Portions copyright (c) 2011, Apple Inc. All rights reserved.\r | |
5 | 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 | **/\r | |
14 | \r | |
15 | #include "PiPei.h"\r | |
16 | #include <Ppi/EmuThunk.h>\r | |
17 | #include <Library/DebugLib.h>\r | |
18 | #include <Library/PeimEntryPoint.h>\r | |
19 | #include <Library/HobLib.h>\r | |
20 | #include <Library/PeiServicesLib.h>\r | |
21 | #include <Library/PeiServicesTablePointerLib.h>\r | |
22 | #include <Library/PcdLib.h>\r | |
23 | \r | |
24 | EFI_STATUS\r | |
25 | EFIAPI\r | |
26 | PeimInitializeFirmwareVolumePei (\r | |
27 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
28 | IN CONST EFI_PEI_SERVICES **PeiServices\r | |
29 | )\r | |
30 | /*++\r | |
31 | \r | |
32 | Routine Description:\r | |
33 | Perform a call-back into the SEC simulator to get address of the Firmware Hub\r | |
34 | \r | |
35 | Arguments:\r | |
36 | FfsHeader - Ffs Header available to every PEIM\r | |
37 | PeiServices - General purpose services available to every PEIM.\r | |
38 | \r | |
39 | Returns:\r | |
40 | None\r | |
41 | \r | |
42 | **/\r | |
43 | {\r | |
44 | EFI_STATUS Status;\r | |
45 | EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;\r | |
46 | EMU_THUNK_PPI *Thunk;\r | |
47 | EFI_PHYSICAL_ADDRESS FdBase;\r | |
48 | EFI_PHYSICAL_ADDRESS FdFixUp;\r | |
49 | EFI_FIRMWARE_VOLUME_HEADER *FvHeader;\r | |
50 | UINT64 FdSize;\r | |
51 | UINTN Index;\r | |
52 | \r | |
53 | DEBUG ((EFI_D_ERROR, "Unix Firmware Volume PEIM Loaded\n"));\r | |
54 | \r | |
55 | //\r | |
56 | // Get the Fwh Information PPI\r | |
57 | //\r | |
58 | Status = PeiServicesLocatePpi (\r | |
59 | &gEmuThunkPpiGuid, // GUID\r | |
60 | 0, // INSTANCE\r | |
61 | &PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR\r | |
62 | (VOID **)&Thunk // PPI\r | |
63 | );\r | |
64 | ASSERT_EFI_ERROR (Status);\r | |
65 | \r | |
66 | Index = 0;\r | |
67 | do {\r | |
68 | //\r | |
69 | // Get information about all the FD's in the system\r | |
70 | //\r | |
71 | Status = Thunk->FirmwareDevices (Index, &FdBase, &FdSize, &FdFixUp);\r | |
72 | if (!EFI_ERROR (Status)) {\r | |
73 | //\r | |
74 | // Assume the FD starts with an FV header\r | |
75 | //\r | |
76 | FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) FdBase;\r | |
77 | \r | |
78 | //\r | |
79 | // Make an FV Hob for the first FV in the FD\r | |
80 | //\r | |
81 | BuildFvHob (FdBase, FvHeader->FvLength);\r | |
82 | \r | |
83 | if (Index == 0) {\r | |
84 | //\r | |
85 | // Assume the first FD was produced by the NT32.DSC\r | |
86 | // All these strange offests are needed to keep in\r | |
87 | // sync with the FlashMap and NT32.dsc file\r | |
88 | //\r | |
89 | BuildResourceDescriptorHob (\r | |
90 | EFI_RESOURCE_FIRMWARE_DEVICE,\r | |
91 | (EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),\r | |
92 | FdBase,\r | |
93 | (\r | |
94 | FvHeader->FvLength +\r | |
95 | PcdGet32 (PcdFlashNvStorageVariableSize) +\r | |
96 | PcdGet32 (PcdFlashNvStorageFtwWorkingSize) +\r | |
97 | PcdGet32 (PcdFlashNvStorageFtwSpareSize) +\r | |
98 | PcdGet32 (PcdEmuFlashNvStorageEventLogSize)\r | |
99 | )\r | |
100 | );\r | |
101 | \r | |
102 | //\r | |
103 | // Hard code the address of the spare block and variable services.\r | |
104 | // Assume it's a hard coded offset from FV0 in FD0.\r | |
105 | //\r | |
106 | FdSize =\r | |
107 | PcdGet32 (PcdFlashNvStorageVariableSize) +\r | |
108 | PcdGet32 (PcdFlashNvStorageFtwWorkingSize) +\r | |
109 | PcdGet32 (PcdFlashNvStorageFtwSpareSize) +\r | |
110 | PcdGet32 (PcdEmuFlashNvStorageEventLogSize);\r | |
111 | \r | |
112 | BuildFvHob (FdFixUp + PcdGet64 (PcdEmuFlashNvStorageVariableBase), FdSize);\r | |
113 | } else {\r | |
114 | //\r | |
115 | // For other FD's just map them in.\r | |
116 | //\r | |
117 | BuildResourceDescriptorHob (\r | |
118 | EFI_RESOURCE_FIRMWARE_DEVICE,\r | |
119 | (EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),\r | |
120 | FdBase,\r | |
121 | FdSize\r | |
122 | );\r | |
123 | }\r | |
124 | }\r | |
125 | \r | |
126 | Index++;\r | |
127 | } while (!EFI_ERROR (Status));\r | |
128 | \r | |
129 | return Status;\r | |
130 | }\r |