1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
/** @file
Main file for Dblk shell Debug1 function.
(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "UefiShellDebug1CommandsLib.h"
#include <Protocol/BlockIo.h>
/**
Display blocks to the screen.
@param[in] DevPath The device path to get the blocks from.
@param[in] Lba The Lba number to start from.
@param[in] BlockCount How many blocks to display.
@retval SHELL_SUCCESS The display was successful.
**/
SHELL_STATUS
DisplayTheBlocks (
IN CONST EFI_DEVICE_PATH_PROTOCOL *DevPath,
IN CONST UINT64 Lba,
IN CONST UINT8 BlockCount
)
{
EFI_BLOCK_IO_PROTOCOL *BlockIo;
EFI_HANDLE BlockIoHandle;
EFI_STATUS Status;
SHELL_STATUS ShellStatus;
UINT8 *Buffer;
UINT8 *OriginalBuffer;
UINTN BufferSize;
ShellStatus = SHELL_SUCCESS;
Status = gBS->LocateDevicePath (&gEfiBlockIoProtocolGuid, (EFI_DEVICE_PATH_PROTOCOL **)&DevPath, &BlockIoHandle);
if (EFI_ERROR (Status)) {
return (SHELL_NOT_FOUND);
}
Status = gBS->OpenProtocol (BlockIoHandle, &gEfiBlockIoProtocolGuid, (VOID **)&BlockIo, gImageHandle, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
if (EFI_ERROR (Status)) {
return (SHELL_NOT_FOUND);
}
BufferSize = BlockIo->Media->BlockSize * BlockCount;
if (BlockIo->Media->IoAlign == 0) {
BlockIo->Media->IoAlign = 1;
}
if (BufferSize > 0) {
OriginalBuffer = AllocateZeroPool (BufferSize + BlockIo->Media->IoAlign);
Buffer = ALIGN_POINTER (OriginalBuffer, BlockIo->Media->IoAlign);
} else {
ShellPrintEx (-1, -1, L" BlockSize: 0x%08x, BlockCount: 0x%08x\r\n", BlockIo->Media->BlockSize, BlockCount);
OriginalBuffer = NULL;
Buffer = NULL;
}
Status = BlockIo->ReadBlocks (BlockIo, BlockIo->Media->MediaId, Lba, BufferSize, Buffer);
if (!EFI_ERROR (Status) && (Buffer != NULL)) {
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_DBLK_HEADER),
gShellDebug1HiiHandle,
Lba,
BufferSize,
BlockIo
);
DumpHex (2, 0, BufferSize, Buffer);
} else {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_FILE_READ_FAIL), gShellDebug1HiiHandle, L"dblk", L"BlockIo");
ShellStatus = SHELL_DEVICE_ERROR;
}
if (OriginalBuffer != NULL) {
FreePool (OriginalBuffer);
}
gBS->CloseProtocol (BlockIoHandle, &gEfiBlockIoProtocolGuid, gImageHandle, NULL);
return (ShellStatus);
}
/**
Function for 'dblk' command.
@param[in] ImageHandle Handle to the Image (NULL if Internal).
@param[in] SystemTable Pointer to the System Table (NULL if Internal).
**/
SHELL_STATUS
EFIAPI
ShellCommandRunDblk (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
LIST_ENTRY *Package;
CHAR16 *ProblemParam;
SHELL_STATUS ShellStatus;
CONST CHAR16 *BlockName;
CONST CHAR16 *LbaString;
CONST CHAR16 *BlockCountString;
UINT64 Lba;
UINT64 BlockCount;
EFI_DEVICE_PATH_PROTOCOL *DevPath;
ShellStatus = SHELL_SUCCESS;
Status = EFI_SUCCESS;
//
// initialize the shell lib (we must be in non-auto-init...)
//
Status = ShellInitialize ();
ASSERT_EFI_ERROR (Status);
Status = CommandInit ();
ASSERT_EFI_ERROR (Status);
//
// parse the command line
//
Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
if (EFI_ERROR (Status)) {
if ((Status == EFI_VOLUME_CORRUPTED) && (ProblemParam != NULL)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, L"dblk", ProblemParam);
FreePool (ProblemParam);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
ASSERT (FALSE);
}
} else {
if (ShellCommandLineGetCount (Package) > 4) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"dblk");
ShellStatus = SHELL_INVALID_PARAMETER;
} else if (ShellCommandLineGetCount (Package) < 2) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"dblk");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
//
// Parse the params
//
BlockName = ShellCommandLineGetRawValue (Package, 1);
LbaString = ShellCommandLineGetRawValue (Package, 2);
BlockCountString = ShellCommandLineGetRawValue (Package, 3);
if (LbaString == NULL) {
Lba = 0;
} else {
if (!ShellIsHexOrDecimalNumber (LbaString, TRUE, FALSE)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dblk", LbaString);
ShellStatus = SHELL_INVALID_PARAMETER;
}
if (EFI_ERROR (ShellConvertStringToUint64 (LbaString, &Lba, TRUE, FALSE))) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dblk", LbaString);
ShellStatus = SHELL_INVALID_PARAMETER;
}
}
if (BlockCountString == NULL) {
BlockCount = 1;
} else {
if (!ShellIsHexOrDecimalNumber (BlockCountString, TRUE, FALSE)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dblk", BlockCountString);
ShellStatus = SHELL_INVALID_PARAMETER;
}
if (!EFI_ERROR (ShellConvertStringToUint64 (BlockCountString, &BlockCount, TRUE, FALSE))) {
if (BlockCount > 0x10) {
BlockCount = 0x10;
} else if (BlockCount == 0) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dblk", BlockCountString);
ShellStatus = SHELL_INVALID_PARAMETER;
}
}
}
if (ShellStatus == SHELL_SUCCESS) {
//
// do the work if we have a valid block identifier
//
if (gEfiShellProtocol->GetDevicePathFromMap (BlockName) == NULL) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dblk", BlockName);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
DevPath = (EFI_DEVICE_PATH_PROTOCOL *)gEfiShellProtocol->GetDevicePathFromMap (BlockName);
if (gBS->LocateDevicePath (&gEfiBlockIoProtocolGuid, &DevPath, NULL) == EFI_NOT_FOUND) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_MAP_PROTOCOL), gShellDebug1HiiHandle, L"dblk", BlockName, L"BlockIo");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
ShellStatus = DisplayTheBlocks (gEfiShellProtocol->GetDevicePathFromMap (BlockName), Lba, (UINT8)BlockCount);
}
}
}
}
ShellCommandLineFreeVarList (Package);
}
return (ShellStatus);
}
|
