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9071550e | 1 | /**@file\r |
2 | Copyright (c) 2007, Intel Corporation \r | |
3 | All rights reserved. This program and the accompanying materials \r | |
4 | are licensed and made available under the terms and conditions of the BSD License \r | |
5 | which accompanies this distribution. The full text of the license may be found at \r | |
6 | http://opensource.org/licenses/bsd-license.php \r | |
7 | \r | |
8 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
9 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
10 | \r | |
11 | Module Name:\r | |
12 | \r | |
13 | FvbInfo.c\r | |
14 | \r | |
15 | Abstract:\r | |
16 | \r | |
17 | Defines data structure that is the volume header found.These data is intent\r | |
18 | to decouple FVB driver with FV header.\r | |
19 | \r | |
20 | **/\r | |
21 | #include "FileIo.h"\r | |
22 | #include "FlashLayout.h"\r | |
23 | \r | |
24 | typedef struct {\r | |
25 | UINT64 FvLength;\r | |
26 | EFI_FIRMWARE_VOLUME_HEADER FvbInfo;\r | |
27 | EFI_FV_BLOCK_MAP_ENTRY End;\r | |
28 | } EFI_FVB_MEDIA_INFO;\r | |
29 | \r | |
30 | #define FVB_MEDIA_BLOCK_SIZE FIRMWARE_BLOCK_SIZE\r | |
31 | #define RECOVERY_BOIS_BLOCK_NUM FIRMWARE_BLOCK_NUMBER\r | |
32 | #define SYSTEM_NV_BLOCK_NUM 2\r | |
33 | \r | |
34 | EFI_FVB_MEDIA_INFO mPlatformFvbMediaInfo[] = {\r | |
35 | //\r | |
36 | // Systen NvStorage FVB\r | |
37 | //\r | |
38 | {\r | |
39 | NV_STORAGE_FVB_SIZE,\r | |
40 | {\r | |
41 | {\r | |
42 | 0,\r | |
43 | }, // ZeroVector[16]\r | |
44 | EFI_SYSTEM_NV_DATA_FV_GUID,\r | |
45 | NV_STORAGE_FVB_SIZE,\r | |
46 | EFI_FVH_SIGNATURE,\r | |
47 | EFI_FVB2_READ_ENABLED_CAP |\r | |
48 | EFI_FVB2_READ_STATUS |\r | |
49 | EFI_FVB2_WRITE_ENABLED_CAP |\r | |
50 | EFI_FVB2_WRITE_STATUS |\r | |
51 | EFI_FVB2_ERASE_POLARITY,\r | |
52 | sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),\r | |
53 | 0, // CheckSum\r | |
54 | 0, // ExtHeaderOffset\r | |
55 | {\r | |
56 | 0,\r | |
57 | }, // Reserved[1]\r | |
58 | 1, // Revision\r | |
59 | {\r | |
60 | NV_STORAGE_FVB_BLOCK_NUM,\r | |
61 | FV_BLOCK_SIZE,\r | |
62 | }\r | |
63 | },\r | |
64 | {\r | |
65 | 0,\r | |
66 | 0\r | |
67 | }\r | |
68 | },\r | |
69 | //\r | |
70 | // System FTW FVB\r | |
71 | //\r | |
72 | {\r | |
73 | NV_FTW_FVB_SIZE,\r | |
74 | {\r | |
75 | {\r | |
76 | 0,\r | |
77 | }, // ZeroVector[16]\r | |
78 | EFI_SYSTEM_NV_DATA_FV_GUID,\r | |
79 | NV_FTW_FVB_SIZE,\r | |
80 | EFI_FVH_SIGNATURE,\r | |
81 | EFI_FVB2_READ_ENABLED_CAP |\r | |
82 | EFI_FVB2_READ_STATUS |\r | |
83 | EFI_FVB2_WRITE_ENABLED_CAP |\r | |
84 | EFI_FVB2_WRITE_STATUS |\r | |
85 | EFI_FVB2_ERASE_POLARITY,\r | |
86 | sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),\r | |
87 | 0, // CheckSum\r | |
88 | 0, // ExtHeaderOffset\r | |
89 | {\r | |
90 | 0,\r | |
91 | }, // Reserved[1]\r | |
92 | 1, // Revision\r | |
93 | {\r | |
94 | NV_FTW_FVB_BLOCK_NUM,\r | |
95 | FV_BLOCK_SIZE,\r | |
96 | }\r | |
97 | },\r | |
98 | {\r | |
99 | 0,\r | |
100 | 0\r | |
101 | }\r | |
102 | }\r | |
103 | };\r | |
104 | \r | |
105 | EFI_STATUS\r | |
106 | GetFvbInfo (\r | |
107 | IN UINT64 FvLength,\r | |
108 | OUT EFI_FIRMWARE_VOLUME_HEADER **FvbInfo\r | |
109 | )\r | |
110 | {\r | |
111 | UINTN Index;\r | |
112 | \r | |
113 | for (Index = 0; Index < sizeof (mPlatformFvbMediaInfo) / sizeof (EFI_FVB_MEDIA_INFO); Index += 1) {\r | |
114 | if (mPlatformFvbMediaInfo[Index].FvLength == FvLength) {\r | |
115 | *FvbInfo = &mPlatformFvbMediaInfo[Index].FvbInfo;\r | |
116 | return EFI_SUCCESS;\r | |
117 | }\r | |
118 | }\r | |
119 | \r | |
120 | return EFI_NOT_FOUND;\r | |
121 | }\r |