audk/ShellPkg/Library/UefiShellLevel3CommandsLib/GetMtc.c

92 lines
2.5 KiB
C

/** @file
Main file for GetMtc shell level 3 function.
(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved. <BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "UefiShellLevel3CommandsLib.h"
#include <Library/ShellLib.h>
/**
Function for 'getmtc' 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
ShellCommandRunGetMtc (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
LIST_ENTRY *Package;
CHAR16 *ProblemParam;
SHELL_STATUS ShellStatus;
UINT64 Mtc;
ProblemParam = NULL;
ShellStatus = SHELL_SUCCESS;
//
// initialize the shell lib (we must be in non-auto-init...)
//
Status = ShellInitialize ();
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), gShellLevel3HiiHandle, L"getmtc", ProblemParam);
FreePool (ProblemParam);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
ASSERT (FALSE);
}
} else {
//
// check for "-?"
//
if (ShellCommandLineGetFlag (Package, L"-?")) {
ASSERT (FALSE);
} else if (ShellCommandLineGetRawValue (Package, 1) != NULL) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"getmtc");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
//
// Get the monotonic counter count
//
Status = gBS->GetNextMonotonicCount (&Mtc);
if (Status == EFI_DEVICE_ERROR) {
ShellStatus = SHELL_DEVICE_ERROR;
} else if (Status == EFI_SECURITY_VIOLATION) {
ShellStatus = SHELL_SECURITY_VIOLATION;
} else if (EFI_ERROR (Status)) {
ShellStatus = SHELL_DEVICE_ERROR;
}
//
// print it...
//
if (ShellStatus == SHELL_SUCCESS) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GET_MTC_OUTPUT), gShellLevel3HiiHandle, Mtc);
}
}
//
// free the command line package
//
ShellCommandLineFreeVarList (Package);
}
return (ShellStatus);
}