1 /** @file
2 Main file for stall shell level 1 function.
3
4 (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
5 Copyright (c) 2011, 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 "UefiShellLevel1CommandsLib.h"
17
18 /**
19 Function for 'stall' command.
20
21 @param[in] ImageHandle Handle to the Image (NULL if Internal).
22 @param[in] SystemTable Pointer to the System Table (NULL if Internal).
23 **/
24 SHELL_STATUS
25 EFIAPI
ShellCommandRunStall(IN EFI_HANDLE ImageHandle,IN EFI_SYSTEM_TABLE * SystemTable)26 ShellCommandRunStall (
27 IN EFI_HANDLE ImageHandle,
28 IN EFI_SYSTEM_TABLE *SystemTable
29 )
30 {
31 EFI_STATUS Status;
32 LIST_ENTRY *Package;
33 CHAR16 *ProblemParam;
34 SHELL_STATUS ShellStatus;
35 UINT64 Intermediate;
36
37 ShellStatus = SHELL_SUCCESS;
38
39 //
40 // initialize the shell lib (we must be in non-auto-init...)
41 //
42 Status = ShellInitialize();
43 ASSERT_EFI_ERROR(Status);
44
45 Status = CommandInit();
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), gShellLevel1HiiHandle, L"stall", ProblemParam);
55 FreePool(ProblemParam);
56 ShellStatus = SHELL_INVALID_PARAMETER;
57 } else {
58 ASSERT(FALSE);
59 }
60 } else {
61 if (ShellCommandLineGetRawValue(Package, 2) != NULL) {
62 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel1HiiHandle, L"stall");
63 ShellStatus = SHELL_INVALID_PARAMETER;
64 } else if (ShellCommandLineGetRawValue(Package, 1) == NULL) {
65 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel1HiiHandle, L"stall");
66 ShellStatus = SHELL_INVALID_PARAMETER;
67 } else {
68 Status = ShellConvertStringToUint64(ShellCommandLineGetRawValue(Package, 1), &Intermediate, FALSE, FALSE);
69 if (EFI_ERROR(Status) || ((UINT64)(UINTN)(Intermediate)) != Intermediate) {
70 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel1HiiHandle, L"stall", ShellCommandLineGetRawValue(Package, 1));
71 ShellStatus = SHELL_INVALID_PARAMETER;
72 } else {
73 Status = gBS->Stall((UINTN)Intermediate);
74 if (EFI_ERROR(Status)) {
75 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_STALL_FAILED), gShellLevel1HiiHandle, L"stall");
76 ShellStatus = SHELL_DEVICE_ERROR;
77 }
78 }
79 }
80 ShellCommandLineFreeVarList (Package);
81 }
82 return (ShellStatus);
83 }
84
85