1 /** @file
2 Main file for GetMtc shell level 3 function.
3
4 (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
5 Copyright (c) 2009 - 2013, Intel Corporation. All rights reserved. <BR>
6 This program and the accompanying materials
7 are licensed and made available under the terms and conditions of the BSD License
8 which accompanies this distribution. The full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php
10
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13
14 **/
15
16 #include "UefiShellLevel3CommandsLib.h"
17
18 #include <Library/ShellLib.h>
19
20 /**
21 Function for 'getmtc' command.
22
23 @param[in] ImageHandle Handle to the Image (NULL if Internal).
24 @param[in] SystemTable Pointer to the System Table (NULL if Internal).
25 **/
26 SHELL_STATUS
27 EFIAPI
ShellCommandRunGetMtc(IN EFI_HANDLE ImageHandle,IN EFI_SYSTEM_TABLE * SystemTable)28 ShellCommandRunGetMtc (
29 IN EFI_HANDLE ImageHandle,
30 IN EFI_SYSTEM_TABLE *SystemTable
31 )
32 {
33 EFI_STATUS Status;
34 LIST_ENTRY *Package;
35 CHAR16 *ProblemParam;
36 SHELL_STATUS ShellStatus;
37 UINT64 Mtc;
38
39 ProblemParam = NULL;
40 ShellStatus = SHELL_SUCCESS;
41
42 //
43 // initialize the shell lib (we must be in non-auto-init...)
44 //
45 Status = ShellInitialize();
46 ASSERT_EFI_ERROR(Status);
47
48 //
49 // parse the command line
50 //
51 Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
52 if (EFI_ERROR(Status)) {
53 if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
54 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel3HiiHandle, L"getmtc", ProblemParam);
55 FreePool(ProblemParam);
56 ShellStatus = SHELL_INVALID_PARAMETER;
57 } else {
58 ASSERT(FALSE);
59 }
60 } else {
61 //
62 // check for "-?"
63 //
64 if (ShellCommandLineGetFlag(Package, L"-?")) {
65 ASSERT(FALSE);
66 } else if (ShellCommandLineGetRawValue(Package, 1) != NULL) {
67 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"getmtc");
68 ShellStatus = SHELL_INVALID_PARAMETER;
69 } else {
70 //
71 // Get the monotonic counter count
72 //
73 Status = gBS->GetNextMonotonicCount(&Mtc);
74 if (Status == EFI_DEVICE_ERROR) {
75 ShellStatus = SHELL_DEVICE_ERROR;
76 } else if (Status == EFI_SECURITY_VIOLATION) {
77 ShellStatus = SHELL_SECURITY_VIOLATION;
78 } else if (EFI_ERROR(Status)) {
79 ShellStatus = SHELL_DEVICE_ERROR;
80 }
81
82 //
83 // print it...
84 //
85 if (ShellStatus == SHELL_SUCCESS) {
86 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GET_MTC_OUTPUT), gShellLevel3HiiHandle, Mtc);
87 }
88 }
89 //
90 // free the command line package
91 //
92 ShellCommandLineFreeVarList (Package);
93 }
94
95 return (ShellStatus);
96 }
97
98