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 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
