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5d73d92f | 1 | /** @file\r |
2 | Main file for Dblk shell Debug1 function.\r | |
3 | \r | |
4 | Copyright (c) 2005 - 2010, Intel Corporation. All rights reserved.<BR>\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 "UefiShellDebug1CommandsLib.h"\r | |
16 | #include <Protocol/BlockIo.h>\r | |
17 | \r | |
18 | SHELL_STATUS\r | |
19 | EFIAPI\r | |
20 | DisplayTheBlocks(\r | |
21 | IN CONST EFI_DEVICE_PATH_PROTOCOL *DevPath,\r | |
22 | IN CONST UINT64 Lba,\r | |
23 | IN CONST UINT8 BlockCount\r | |
24 | )\r | |
25 | {\r | |
26 | EFI_BLOCK_IO_PROTOCOL *BlockIo;\r | |
27 | EFI_DEVICE_PATH_PROTOCOL *Copy;\r | |
28 | EFI_HANDLE BlockIoHandle;\r | |
29 | EFI_STATUS Status;\r | |
30 | SHELL_STATUS ShellStatus;\r | |
31 | UINT8 *Buffer;\r | |
32 | UINTN BufferSize;\r | |
33 | \r | |
34 | ShellStatus = SHELL_SUCCESS;\r | |
35 | Copy = (EFI_DEVICE_PATH_PROTOCOL *)DevPath;\r | |
36 | \r | |
37 | Status = gBS->LocateDevicePath(&gEfiBlockIoProtocolGuid, &Copy, &BlockIoHandle);\r | |
38 | ASSERT_EFI_ERROR(Status);\r | |
39 | \r | |
40 | Status = gBS->OpenProtocol(BlockIoHandle, &gEfiBlockIoProtocolGuid, (VOID**)&BlockIo, gImageHandle, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);\r | |
41 | ASSERT_EFI_ERROR(Status);\r | |
42 | \r | |
43 | BufferSize = BlockIo->Media->BlockSize * BlockCount;\r | |
44 | if (BufferSize > 0) {\r | |
45 | Buffer = AllocatePool(BufferSize);\r | |
46 | } else {\r | |
47 | Buffer = NULL;\r | |
48 | }\r | |
49 | \r | |
50 | Status = BlockIo->ReadBlocks(BlockIo, BlockIo->Media->MediaId, Lba, BufferSize, Buffer);\r | |
51 | if (!EFI_ERROR(Status) && Buffer != NULL) {\r | |
52 | DumpHex(2,0,BufferSize,Buffer);\r | |
53 | } else {\r | |
54 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_READ_FAIL), gShellDebug1HiiHandle, L"BlockIo", Status);\r | |
55 | ShellStatus = SHELL_DEVICE_ERROR;\r | |
56 | }\r | |
57 | \r | |
58 | if (Buffer != NULL) {\r | |
59 | FreePool(Buffer);\r | |
60 | }\r | |
61 | \r | |
62 | gBS->CloseProtocol(BlockIoHandle, &gEfiBlockIoProtocolGuid, gImageHandle, NULL);\r | |
63 | return (ShellStatus);\r | |
64 | }\r | |
65 | \r | |
66 | SHELL_STATUS\r | |
67 | EFIAPI\r | |
68 | ShellCommandRunDblk (\r | |
69 | IN EFI_HANDLE ImageHandle,\r | |
70 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
71 | )\r | |
72 | {\r | |
73 | EFI_STATUS Status;\r | |
74 | LIST_ENTRY *Package;\r | |
75 | CHAR16 *ProblemParam;\r | |
76 | SHELL_STATUS ShellStatus;\r | |
77 | CONST CHAR16 *BlockName;\r | |
78 | CONST CHAR16 *LbaString;\r | |
79 | CONST CHAR16 *BlockCountString;\r | |
80 | UINT64 Lba;\r | |
81 | UINT8 BlockCount;\r | |
82 | \r | |
83 | ShellStatus = SHELL_SUCCESS;\r | |
84 | Status = EFI_SUCCESS;\r | |
85 | \r | |
86 | //\r | |
87 | // initialize the shell lib (we must be in non-auto-init...)\r | |
88 | //\r | |
89 | Status = ShellInitialize();\r | |
90 | ASSERT_EFI_ERROR(Status);\r | |
91 | \r | |
92 | Status = CommandInit();\r | |
93 | ASSERT_EFI_ERROR(Status);\r | |
94 | \r | |
95 | //\r | |
96 | // parse the command line\r | |
97 | //\r | |
98 | Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);\r | |
99 | if (EFI_ERROR(Status)) {\r | |
100 | if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r | |
101 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, ProblemParam);\r | |
102 | FreePool(ProblemParam);\r | |
103 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
104 | } else {\r | |
105 | ASSERT(FALSE);\r | |
106 | }\r | |
107 | } else {\r | |
108 | if (ShellCommandLineGetCount(Package) > 4) {\r | |
109 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle);\r | |
110 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
111 | } else if (ShellCommandLineGetCount(Package) < 2) {\r | |
112 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle);\r | |
113 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
114 | } else {\r | |
115 | //\r | |
116 | // Parse the params\r | |
117 | //\r | |
118 | BlockName = ShellCommandLineGetRawValue(Package, 1);\r | |
119 | LbaString = ShellCommandLineGetRawValue(Package, 2);\r | |
120 | BlockCountString = ShellCommandLineGetRawValue(Package, 3);\r | |
121 | \r | |
122 | if (LbaString == NULL) {\r | |
123 | Lba = 0;\r | |
124 | } else {\r | |
125 | Lba = (UINT64)StrHexToUintn(LbaString);\r | |
126 | }\r | |
127 | \r | |
128 | if (BlockCountString == NULL) {\r | |
129 | BlockCount = 1;\r | |
130 | } else {\r | |
131 | BlockCount = (UINT8)StrHexToUintn(BlockCountString);\r | |
132 | if (BlockCount > 0x10) {\r | |
133 | BlockCount = 0x10;\r | |
134 | }\r | |
135 | }\r | |
136 | \r | |
137 | //\r | |
138 | // do the work if we have a valid block identifier\r | |
139 | //\r | |
140 | if (mEfiShellProtocol->GetDevicePathFromMap(BlockName) == NULL) {\r | |
141 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, BlockName);\r | |
142 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
143 | } else {\r | |
144 | ShellStatus = DisplayTheBlocks(mEfiShellProtocol->GetDevicePathFromMap(BlockName), Lba, BlockCount);\r | |
145 | }\r | |
146 | }\r | |
147 | \r | |
148 | ShellCommandLineFreeVarList (Package);\r | |
149 | }\r | |
150 | return (ShellStatus);\r | |
151 | }\r |