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1 | /** @file\r | |
2 | Main file for Dblk shell Debug1 function.\r | |
3 | \r | |
4 | (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>\r | |
5 | Copyright (c) 2005 - 2011, Intel Corporation. All rights reserved.<BR>\r | |
6 | This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include "UefiShellDebug1CommandsLib.h"\r | |
17 | #include <Protocol/BlockIo.h>\r | |
18 | \r | |
19 | /**\r | |
20 | Display blocks to the screen.\r | |
21 | \r | |
22 | @param[in] DevPath The device path to get the blocks from.\r | |
23 | @param[in] Lba The Lba number to start from.\r | |
24 | @param[in] BlockCount How many blocks to display.\r | |
25 | \r | |
26 | @retval SHELL_SUCCESS The display was successful.\r | |
27 | **/\r | |
28 | SHELL_STATUS\r | |
29 | DisplayTheBlocks(\r | |
30 | IN CONST EFI_DEVICE_PATH_PROTOCOL *DevPath,\r | |
31 | IN CONST UINT64 Lba,\r | |
32 | IN CONST UINT8 BlockCount\r | |
33 | )\r | |
34 | {\r | |
35 | EFI_BLOCK_IO_PROTOCOL *BlockIo;\r | |
36 | EFI_HANDLE BlockIoHandle;\r | |
37 | EFI_STATUS Status;\r | |
38 | SHELL_STATUS ShellStatus;\r | |
39 | UINT8 *Buffer;\r | |
40 | UINTN BufferSize;\r | |
41 | \r | |
42 | ShellStatus = SHELL_SUCCESS;\r | |
43 | \r | |
44 | Status = gBS->LocateDevicePath(&gEfiBlockIoProtocolGuid, (EFI_DEVICE_PATH_PROTOCOL **)&DevPath, &BlockIoHandle);\r | |
45 | if (EFI_ERROR(Status)) {\r | |
46 | return (SHELL_NOT_FOUND);\r | |
47 | }\r | |
48 | \r | |
49 | Status = gBS->OpenProtocol(BlockIoHandle, &gEfiBlockIoProtocolGuid, (VOID**)&BlockIo, gImageHandle, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);\r | |
50 | if (EFI_ERROR(Status)) {\r | |
51 | return (SHELL_NOT_FOUND);\r | |
52 | }\r | |
53 | \r | |
54 | BufferSize = BlockIo->Media->BlockSize * BlockCount;\r | |
55 | if (BufferSize > 0) {\r | |
56 | Buffer = AllocateZeroPool(BufferSize);\r | |
57 | } else {\r | |
58 | ShellPrintEx(-1,-1,L" BlockSize: 0x%08x, BlockCount: 0x%08x\r\n", BlockIo->Media->BlockSize, BlockCount);\r | |
59 | Buffer = NULL;\r | |
60 | }\r | |
61 | \r | |
62 | Status = BlockIo->ReadBlocks(BlockIo, BlockIo->Media->MediaId, Lba, BufferSize, Buffer);\r | |
63 | if (!EFI_ERROR(Status) && Buffer != NULL) {\r | |
64 | ShellPrintHiiEx(\r | |
65 | -1, \r | |
66 | -1, \r | |
67 | NULL, \r | |
68 | STRING_TOKEN (STR_DBLK_HEADER), \r | |
69 | gShellDebug1HiiHandle, \r | |
70 | Lba,\r | |
71 | BufferSize,\r | |
72 | BlockIo\r | |
73 | );\r | |
74 | \r | |
75 | DumpHex(2,0,BufferSize,Buffer);\r | |
76 | } else {\r | |
77 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_READ_FAIL), gShellDebug1HiiHandle, L"dblk", L"BlockIo"); \r | |
78 | ShellStatus = SHELL_DEVICE_ERROR;\r | |
79 | }\r | |
80 | \r | |
81 | if (Buffer != NULL) {\r | |
82 | FreePool(Buffer);\r | |
83 | }\r | |
84 | \r | |
85 | gBS->CloseProtocol(BlockIoHandle, &gEfiBlockIoProtocolGuid, gImageHandle, NULL);\r | |
86 | return (ShellStatus);\r | |
87 | }\r | |
88 | \r | |
89 | /**\r | |
90 | Function for 'dblk' command.\r | |
91 | \r | |
92 | @param[in] ImageHandle Handle to the Image (NULL if Internal).\r | |
93 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).\r | |
94 | **/\r | |
95 | SHELL_STATUS\r | |
96 | EFIAPI\r | |
97 | ShellCommandRunDblk (\r | |
98 | IN EFI_HANDLE ImageHandle,\r | |
99 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
100 | )\r | |
101 | {\r | |
102 | EFI_STATUS Status;\r | |
103 | LIST_ENTRY *Package;\r | |
104 | CHAR16 *ProblemParam;\r | |
105 | SHELL_STATUS ShellStatus;\r | |
106 | CONST CHAR16 *BlockName;\r | |
107 | CONST CHAR16 *LbaString;\r | |
108 | CONST CHAR16 *BlockCountString;\r | |
109 | UINT64 Lba;\r | |
110 | UINT64 BlockCount;\r | |
111 | EFI_DEVICE_PATH_PROTOCOL *DevPath;\r | |
112 | \r | |
113 | ShellStatus = SHELL_SUCCESS;\r | |
114 | Status = EFI_SUCCESS;\r | |
115 | \r | |
116 | //\r | |
117 | // initialize the shell lib (we must be in non-auto-init...)\r | |
118 | //\r | |
119 | Status = ShellInitialize();\r | |
120 | ASSERT_EFI_ERROR(Status);\r | |
121 | \r | |
122 | Status = CommandInit();\r | |
123 | ASSERT_EFI_ERROR(Status);\r | |
124 | \r | |
125 | //\r | |
126 | // parse the command line\r | |
127 | //\r | |
128 | Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);\r | |
129 | if (EFI_ERROR(Status)) {\r | |
130 | if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r | |
131 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, L"dblk", ProblemParam); \r | |
132 | FreePool(ProblemParam);\r | |
133 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
134 | } else {\r | |
135 | ASSERT(FALSE);\r | |
136 | }\r | |
137 | } else {\r | |
138 | if (ShellCommandLineGetCount(Package) > 4) {\r | |
139 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"dblk"); \r | |
140 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
141 | } else if (ShellCommandLineGetCount(Package) < 2) {\r | |
142 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"dblk"); \r | |
143 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
144 | } else {\r | |
145 | //\r | |
146 | // Parse the params\r | |
147 | //\r | |
148 | BlockName = ShellCommandLineGetRawValue(Package, 1);\r | |
149 | LbaString = ShellCommandLineGetRawValue(Package, 2);\r | |
150 | BlockCountString = ShellCommandLineGetRawValue(Package, 3);\r | |
151 | \r | |
152 | if (LbaString == NULL) {\r | |
153 | Lba = 0;\r | |
154 | } else {\r | |
155 | if (!ShellIsHexOrDecimalNumber(LbaString, TRUE, FALSE)) {\r | |
156 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dblk", LbaString); \r | |
157 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
158 | }\r | |
159 | ShellConvertStringToUint64(LbaString, &Lba, TRUE, FALSE);\r | |
160 | }\r | |
161 | \r | |
162 | if (BlockCountString == NULL) {\r | |
163 | BlockCount = 1;\r | |
164 | } else {\r | |
165 | if (!ShellIsHexOrDecimalNumber(BlockCountString, TRUE, FALSE)) {\r | |
166 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dblk", BlockCountString); \r | |
167 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
168 | }\r | |
169 | ShellConvertStringToUint64(BlockCountString, &BlockCount, TRUE, FALSE);\r | |
170 | if (BlockCount > 0x10) {\r | |
171 | BlockCount = 0x10;\r | |
172 | } else if (BlockCount == 0) {\r | |
173 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dblk", BlockCountString); \r | |
174 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
175 | }\r | |
176 | }\r | |
177 | \r | |
178 | if (ShellStatus == SHELL_SUCCESS) {\r | |
179 | //\r | |
180 | // do the work if we have a valid block identifier\r | |
181 | //\r | |
182 | if (gEfiShellProtocol->GetDevicePathFromMap(BlockName) == NULL) {\r | |
183 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dblk", BlockName); \r | |
184 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
185 | } else {\r | |
186 | DevPath = (EFI_DEVICE_PATH_PROTOCOL*)gEfiShellProtocol->GetDevicePathFromMap(BlockName);\r | |
187 | if (gBS->LocateDevicePath(&gEfiBlockIoProtocolGuid, &DevPath, NULL) == EFI_NOT_FOUND) {\r | |
188 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_MAP_PROTOCOL), gShellDebug1HiiHandle, L"dblk", BlockName, L"BlockIo"); \r | |
189 | ShellStatus = SHELL_INVALID_PARAMETER;\r | |
190 | } else {\r | |
191 | ShellStatus = DisplayTheBlocks(gEfiShellProtocol->GetDevicePathFromMap(BlockName), Lba, (UINT8)BlockCount);\r | |
192 | }\r | |
193 | }\r | |
194 | }\r | |
195 | }\r | |
196 | \r | |
197 | ShellCommandLineFreeVarList (Package);\r | |
198 | }\r | |
199 | return (ShellStatus);\r | |
200 | }\r |