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OvmfPg: flash driver: fix type of EFI_SIZE_TO_PAGES argument (VS2010)
[mirror_edk2.git] / OvmfPkg / QemuFlashFvbServicesRuntimeDxe / FvbInfo.c
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1/**@file\r
2\r
3Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r
4This program and the accompanying materials \r
5are licensed and made available under the terms and conditions of the BSD License \r
6which accompanies this distribution. The full text of the license may be found at \r
7http://opensource.org/licenses/bsd-license.php \r
8 \r
9THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
10WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
11\r
12Module Name:\r
13\r
14 FvbInfo.c\r
15\r
16Abstract:\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//\r
24// The package level header files this module uses\r
25//\r
26#include <PiDxe.h>\r
27//\r
28// The protocols, PPI and GUID defintions for this module\r
29//\r
30#include <Guid/EventGroup.h>\r
31#include <Guid/FirmwareFileSystem2.h>\r
32#include <Guid/SystemNvDataGuid.h>\r
33#include <Protocol/FirmwareVolumeBlock.h>\r
34#include <Protocol/DevicePath.h>\r
35//\r
36// The Library classes this module consumes\r
37//\r
38#include <Library/UefiLib.h>\r
39#include <Library/UefiDriverEntryPoint.h>\r
40#include <Library/BaseLib.h>\r
41#include <Library/DxeServicesTableLib.h>\r
42#include <Library/UefiRuntimeLib.h>\r
43#include <Library/DebugLib.h>\r
44#include <Library/HobLib.h>\r
45#include <Library/BaseMemoryLib.h>\r
46#include <Library/MemoryAllocationLib.h>\r
47#include <Library/UefiBootServicesTableLib.h>\r
48#include <Library/PcdLib.h>\r
49\r
50typedef struct {\r
51 UINT64 FvLength;\r
52 EFI_FIRMWARE_VOLUME_HEADER FvbInfo;\r
53 //\r
54 // EFI_FV_BLOCK_MAP_ENTRY ExtraBlockMap[n];//n=0\r
55 //\r
56 EFI_FV_BLOCK_MAP_ENTRY End[1];\r
57} EFI_FVB_MEDIA_INFO;\r
58\r
59EFI_FVB_MEDIA_INFO mPlatformFvbMediaInfo[] = {\r
60 //\r
61 // Systen NvStorage FVB\r
62 //\r
63 {\r
64 FixedPcdGet32 (PcdFlashNvStorageVariableSize) +\r
65 FixedPcdGet32 (PcdFlashNvStorageFtwWorkingSize) +\r
66 FixedPcdGet32 (PcdFlashNvStorageFtwSpareSize) +\r
67 FixedPcdGet32 (PcdOvmfFlashNvStorageEventLogSize),\r
68 {\r
69 {\r
70 0,\r
71 }, // ZeroVector[16]\r
72 EFI_SYSTEM_NV_DATA_FV_GUID,\r
73 FixedPcdGet32 (PcdFlashNvStorageVariableSize) +\r
74 FixedPcdGet32 (PcdFlashNvStorageFtwWorkingSize) +\r
75 FixedPcdGet32 (PcdFlashNvStorageFtwSpareSize) +\r
76 FixedPcdGet32 (PcdOvmfFlashNvStorageEventLogSize),\r
77 EFI_FVH_SIGNATURE,\r
78 EFI_FVB2_MEMORY_MAPPED | \r
79 EFI_FVB2_READ_ENABLED_CAP |\r
80 EFI_FVB2_READ_STATUS |\r
81 EFI_FVB2_WRITE_ENABLED_CAP |\r
82 EFI_FVB2_WRITE_STATUS |\r
83 EFI_FVB2_ERASE_POLARITY |\r
84 EFI_FVB2_ALIGNMENT_16,\r
85 sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),\r
86 0, // CheckSum\r
87 0, // ExtHeaderOffset\r
88 {\r
89 0,\r
90 }, // Reserved[1]\r
91 2, // Revision\r
92 {\r
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93 {\r
94 (FixedPcdGet32 (PcdFlashNvStorageVariableSize) +\r
95 FixedPcdGet32 (PcdFlashNvStorageFtwWorkingSize) +\r
96 FixedPcdGet32 (PcdFlashNvStorageFtwSpareSize) +\r
97 FixedPcdGet32 (PcdOvmfFlashNvStorageEventLogSize)) / FixedPcdGet32 (PcdOvmfFirmwareBlockSize),\r
98 FixedPcdGet32 (PcdOvmfFirmwareBlockSize),\r
99 }\r
100 } // BlockMap[1]\r
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101 },\r
102 {\r
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103 {\r
104 0,\r
105 0\r
106 }\r
107 } // End[1]\r
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108 }\r
109};\r
110\r
111EFI_STATUS\r
112GetFvbInfo (\r
113 IN UINT64 FvLength,\r
114 OUT EFI_FIRMWARE_VOLUME_HEADER **FvbInfo\r
115 )\r
116{\r
117 STATIC BOOLEAN Checksummed = FALSE;\r
118 UINTN Index;\r
119\r
120 if (!Checksummed) {\r
121 for (Index = 0; Index < sizeof (mPlatformFvbMediaInfo) / sizeof (EFI_FVB_MEDIA_INFO); Index += 1) {\r
122 UINT16 Checksum;\r
123 mPlatformFvbMediaInfo[Index].FvbInfo.Checksum = 0;\r
124 Checksum = CalculateCheckSum16 (\r
125 (UINT16*) &mPlatformFvbMediaInfo[Index].FvbInfo,\r
126 mPlatformFvbMediaInfo[Index].FvbInfo.HeaderLength\r
127 );\r
128 mPlatformFvbMediaInfo[Index].FvbInfo.Checksum = Checksum;\r
129 }\r
130 Checksummed = TRUE;\r
131 }\r
132\r
133 for (Index = 0; Index < sizeof (mPlatformFvbMediaInfo) / sizeof (EFI_FVB_MEDIA_INFO); Index += 1) {\r
134 if (mPlatformFvbMediaInfo[Index].FvLength == FvLength) {\r
135 *FvbInfo = &mPlatformFvbMediaInfo[Index].FvbInfo;\r
136 return EFI_SUCCESS;\r
137 }\r
138 }\r
139\r
140 return EFI_NOT_FOUND;\r
141}\r