1 /** @file
2 Main file for GetMtc shell level 3 function.
3
4 Copyright (c) 2009 - 2013, Intel Corporation. All rights reserved. <BR>
5 This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution. The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php
9
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12
13 **/
14
15 #include "UefiShellLevel3CommandsLib.h"
16
17 #include <Library/ShellLib.h>
18
19 /**
20 Function for 'getmtc' command.
21
22 @param[in] ImageHandle Handle to the Image (NULL if Internal).
23 @param[in] SystemTable Pointer to the System Table (NULL if Internal).
24 **/
25 SHELL_STATUS
26 EFIAPI
ShellCommandRunGetMtc(IN EFI_HANDLE ImageHandle,IN EFI_SYSTEM_TABLE * SystemTable)27 ShellCommandRunGetMtc (
28 IN EFI_HANDLE ImageHandle,
29 IN EFI_SYSTEM_TABLE *SystemTable
30 )
31 {
32 EFI_STATUS Status;
33 LIST_ENTRY *Package;
34 CHAR16 *ProblemParam;
35 SHELL_STATUS ShellStatus;
36 UINT64 Mtc;
37
38 ProblemParam = NULL;
39 ShellStatus = SHELL_SUCCESS;
40
41 //
42 // initialize the shell lib (we must be in non-auto-init...)
43 //
44 Status = ShellInitialize();
45 ASSERT_EFI_ERROR(Status);
46
47 //
48 // parse the command line
49 //
50 Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
51 if (EFI_ERROR(Status)) {
52 if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
53 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel3HiiHandle, ProblemParam);
54 FreePool(ProblemParam);
55 ShellStatus = SHELL_INVALID_PARAMETER;
56 } else {
57 ASSERT(FALSE);
58 }
59 } else {
60 //
61 // check for "-?"
62 //
63 if (ShellCommandLineGetFlag(Package, L"-?")) {
64 ASSERT(FALSE);
65 } else if (ShellCommandLineGetRawValue(Package, 1) != NULL) {
66 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle);
67 ShellStatus = SHELL_INVALID_PARAMETER;
68 } else {
69 //
70 // Get the monotonic counter count
71 //
72 Status = gBS->GetNextMonotonicCount(&Mtc);
73 if (Status == EFI_DEVICE_ERROR) {
74 ShellStatus = SHELL_DEVICE_ERROR;
75 } else if (Status == EFI_SECURITY_VIOLATION) {
76 ShellStatus = SHELL_SECURITY_VIOLATION;
77 } else if (EFI_ERROR(Status)) {
78 ShellStatus = SHELL_DEVICE_ERROR;
79 }
80
81 //
82 // print it...
83 //
84 if (ShellStatus == SHELL_SUCCESS) {
85 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GET_MTC_OUTPUT), gShellLevel3HiiHandle, Mtc);
86 }
87 }
88 //
89 // free the command line package
90 //
91 ShellCommandLineFreeVarList (Package);
92 }
93
94 return (ShellStatus);
95 }
96
97