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 - 2018, Intel Corporation. All rights reserved. <BR>
6 SPDX-License-Identifier: BSD-2-Clause-Patent
7
8 **/
9
10 #include "UefiShellLevel3CommandsLib.h"
11
12 #include <Library/ShellLib.h>
13
14 /**
15 Function for 'getmtc' command.
16
17 @param[in] ImageHandle Handle to the Image (NULL if Internal).
18 @param[in] SystemTable Pointer to the System Table (NULL if Internal).
19 **/
20 SHELL_STATUS
21 EFIAPI
ShellCommandRunGetMtc(IN EFI_HANDLE ImageHandle,IN EFI_SYSTEM_TABLE * SystemTable)22 ShellCommandRunGetMtc (
23 IN EFI_HANDLE ImageHandle,
24 IN EFI_SYSTEM_TABLE *SystemTable
25 )
26 {
27 EFI_STATUS Status;
28 LIST_ENTRY *Package;
29 CHAR16 *ProblemParam;
30 SHELL_STATUS ShellStatus;
31 UINT64 Mtc;
32
33 ProblemParam = NULL;
34 ShellStatus = SHELL_SUCCESS;
35
36 //
37 // initialize the shell lib (we must be in non-auto-init...)
38 //
39 Status = ShellInitialize();
40 ASSERT_EFI_ERROR(Status);
41
42 //
43 // parse the command line
44 //
45 Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
46 if (EFI_ERROR(Status)) {
47 if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
48 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel3HiiHandle, L"getmtc", ProblemParam);
49 FreePool(ProblemParam);
50 ShellStatus = SHELL_INVALID_PARAMETER;
51 } else {
52 ASSERT(FALSE);
53 }
54 } else {
55 //
56 // check for "-?"
57 //
58 if (ShellCommandLineGetFlag(Package, L"-?")) {
59 ASSERT(FALSE);
60 } else if (ShellCommandLineGetRawValue(Package, 1) != NULL) {
61 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"getmtc");
62 ShellStatus = SHELL_INVALID_PARAMETER;
63 } else {
64 //
65 // Get the monotonic counter count
66 //
67 Status = gBS->GetNextMonotonicCount(&Mtc);
68 if (Status == EFI_DEVICE_ERROR) {
69 ShellStatus = SHELL_DEVICE_ERROR;
70 } else if (Status == EFI_SECURITY_VIOLATION) {
71 ShellStatus = SHELL_SECURITY_VIOLATION;
72 } else if (EFI_ERROR(Status)) {
73 ShellStatus = SHELL_DEVICE_ERROR;
74 }
75
76 //
77 // print it...
78 //
79 if (ShellStatus == SHELL_SUCCESS) {
80 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GET_MTC_OUTPUT), gShellLevel3HiiHandle, Mtc);
81 }
82 }
83 //
84 // free the command line package
85 //
86 ShellCommandLineFreeVarList (Package);
87 }
88
89 return (ShellStatus);
90 }
91
92