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1 | /*++\r |
2 | \r |
3 | Copyright (c) 2006, Intel Corporation \r |
4 | All rights reserved. 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 | FvbInfo.c\r |
15 | \r |
16 | Abstract:\r |
17 | \r |
18 | Defines data structure that is the volume header found.These data is intent\r |
19 | to decouple FVB driver with FV header.\r |
20 | \r |
21 | --*/\r |
22 | \r |
23 | #include "FlashLayout.h"\r |
24 | \r |
25 | #define FIRMWARE_BLOCK_SIZE 0x10000\r |
26 | \r |
27 | typedef struct {\r |
28 | UINT64 FvLength;\r |
29 | EFI_FIRMWARE_VOLUME_HEADER FvbInfo;\r |
30 | //\r |
31 | // EFI_FV_BLOCK_MAP_ENTRY ExtraBlockMap[n];//n=0\r |
32 | //\r |
33 | EFI_FV_BLOCK_MAP_ENTRY End[1];\r |
34 | } EFI_FVB_MEDIA_INFO;\r |
35 | \r |
36 | #define FVB_MEDIA_BLOCK_SIZE FIRMWARE_BLOCK_SIZE\r |
37 | #define RECOVERY_BOIS_BLOCK_NUM FIRMWARE_BLOCK_NUMBER\r |
38 | #define SYSTEM_NV_BLOCK_NUM 2\r |
39 | \r |
40 | EFI_FVB_MEDIA_INFO mPlatformFvbMediaInfo[] = {\r |
41 | //\r |
42 | // Recovery BOIS FVB\r |
43 | //\r |
44 | {\r |
45 | EFI_WINNT_FIRMWARE_LENGTH,\r |
46 | {\r |
47 | {\r |
48 | 0,\r |
49 | }, // ZeroVector[16]\r |
50 | EFI_FIRMWARE_FILE_SYSTEM_GUID,\r |
51 | FVB_MEDIA_BLOCK_SIZE * RECOVERY_BOIS_BLOCK_NUM,\r |
52 | EFI_FVH_SIGNATURE,\r |
53 | EFI_FVB_READ_ENABLED_CAP |\r |
54 | EFI_FVB_READ_STATUS |\r |
55 | EFI_FVB_WRITE_ENABLED_CAP |\r |
56 | EFI_FVB_WRITE_STATUS |\r |
57 | EFI_FVB_ERASE_POLARITY,\r |
58 | sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),\r |
59 | 0, // CheckSum\r |
60 | {\r |
61 | 0,\r |
62 | }, // Reserved[3]\r |
63 | 1, // Revision\r |
64 | {\r |
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65 | {\r |
66 | RECOVERY_BOIS_BLOCK_NUM,\r |
67 | FVB_MEDIA_BLOCK_SIZE\r |
68 | }\r |
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69 | }\r |
70 | },\r |
71 | {\r |
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72 | {\r |
73 | 0,\r |
74 | 0\r |
75 | }\r |
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76 | }\r |
77 | },\r |
78 | //\r |
79 | // Systen NvStorage FVB\r |
80 | //\r |
81 | {\r |
82 | EFI_WINNT_RUNTIME_UPDATABLE_LENGTH + EFI_WINNT_FTW_SPARE_BLOCK_LENGTH,\r |
83 | {\r |
84 | {\r |
85 | 0,\r |
86 | }, // ZeroVector[16]\r |
87 | EFI_SYSTEM_NV_DATA_HOB_GUID,\r |
88 | FVB_MEDIA_BLOCK_SIZE * SYSTEM_NV_BLOCK_NUM,\r |
89 | EFI_FVH_SIGNATURE,\r |
90 | EFI_FVB_READ_ENABLED_CAP |\r |
91 | EFI_FVB_READ_STATUS |\r |
92 | EFI_FVB_WRITE_ENABLED_CAP |\r |
93 | EFI_FVB_WRITE_STATUS |\r |
94 | EFI_FVB_ERASE_POLARITY,\r |
95 | sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),\r |
96 | 0, // CheckSum\r |
97 | {\r |
98 | 0,\r |
99 | }, // Reserved[3]\r |
100 | 1, // Revision\r |
101 | {\r |
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102 | {\r |
103 | SYSTEM_NV_BLOCK_NUM,\r |
104 | FVB_MEDIA_BLOCK_SIZE\r |
105 | }\r |
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106 | }\r |
107 | },\r |
108 | {\r |
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109 | {\r |
110 | 0,\r |
111 | 0\r |
112 | }\r |
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113 | }\r |
114 | }\r |
115 | };\r |
116 | \r |
117 | EFI_STATUS\r |
118 | GetFvbInfo (\r |
119 | IN UINT64 FvLength,\r |
120 | OUT EFI_FIRMWARE_VOLUME_HEADER **FvbInfo\r |
121 | )\r |
122 | {\r |
123 | UINTN Index;\r |
124 | \r |
125 | for (Index = 0; Index < sizeof (mPlatformFvbMediaInfo) / sizeof (EFI_FVB_MEDIA_INFO); Index += 1) {\r |
126 | if (mPlatformFvbMediaInfo[Index].FvLength == FvLength) {\r |
127 | *FvbInfo = &mPlatformFvbMediaInfo[Index].FvbInfo;\r |
128 | return EFI_SUCCESS;\r |
129 | }\r |
130 | }\r |
131 | \r |
132 | return EFI_NOT_FOUND;\r |
133 | }\r |