| 1 | /** @file
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| 2 | Main file for stall shell level 1 function.
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| 3 |
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| 4 | Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
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| 5 | This program and the accompanying materials
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| 6 | are licensed and made available under the terms and conditions of the BSD License
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| 7 | which accompanies this distribution. The full text of the license may be found at
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| 8 | http://opensource.org/licenses/bsd-license.php
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| 9 |
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| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 12 |
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| 13 | **/
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| 14 |
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| 15 | #include "UefiShellLevel1CommandsLib.h"
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| 16 |
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| 17 | /**
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| 18 | Function for 'stall' command.
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| 19 |
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| 20 | @param[in] ImageHandle Handle to the Image (NULL if Internal).
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| 21 | @param[in] SystemTable Pointer to the System Table (NULL if Internal).
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| 22 | **/
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| 23 | SHELL_STATUS
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| 24 | EFIAPI
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| 25 | ShellCommandRunStall (
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| 26 | IN EFI_HANDLE ImageHandle,
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| 27 | IN EFI_SYSTEM_TABLE *SystemTable
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| 28 | )
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| 29 | {
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| 30 | EFI_STATUS Status;
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| 31 | LIST_ENTRY *Package;
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| 32 | CHAR16 *ProblemParam;
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| 33 | SHELL_STATUS ShellStatus;
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| 34 | UINT64 Intermediate;
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| 35 |
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| 36 | ShellStatus = SHELL_SUCCESS;
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| 37 |
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| 38 | //
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| 39 | // initialize the shell lib (we must be in non-auto-init...)
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| 40 | //
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| 41 | Status = ShellInitialize();
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| 42 | ASSERT_EFI_ERROR(Status);
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| 43 |
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| 44 | Status = CommandInit();
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| 45 | ASSERT_EFI_ERROR(Status);
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| 46 |
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| 47 | //
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| 48 | // parse the command line
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| 49 | //
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| 50 | Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
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| 51 | if (EFI_ERROR(Status)) {
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| 52 | if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
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| 53 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel1HiiHandle, ProblemParam);
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| 54 | FreePool(ProblemParam);
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| 55 | ShellStatus = SHELL_INVALID_PARAMETER;
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| 56 | } else {
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| 57 | ASSERT(FALSE);
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| 58 | }
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| 59 | } else {
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| 60 | if (ShellCommandLineGetRawValue(Package, 2) != NULL) {
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| 61 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel1HiiHandle);
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| 62 | ShellStatus = SHELL_INVALID_PARAMETER;
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| 63 | } else if (ShellCommandLineGetRawValue(Package, 1) == NULL) {
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| 64 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel1HiiHandle);
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| 65 | ShellStatus = SHELL_INVALID_PARAMETER;
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| 66 | } else {
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| 67 | Status = ShellConvertStringToUint64(ShellCommandLineGetRawValue(Package, 1), &Intermediate, FALSE, FALSE);
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| 68 | if (EFI_ERROR(Status) || ((UINT64)(UINTN)(Intermediate)) != Intermediate) {
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| 69 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM_VAL), gShellLevel1HiiHandle, ShellCommandLineGetRawValue(Package, 1));
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| 70 | ShellStatus = SHELL_INVALID_PARAMETER;
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| 71 | } else {
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| 72 | Status = gBS->Stall((UINTN)Intermediate);
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| 73 | if (EFI_ERROR(Status)) {
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| 74 | ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_STALL_FAILED), gShellLevel1HiiHandle, Status);
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| 75 | ShellStatus = SHELL_DEVICE_ERROR;
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| 76 | }
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| 77 | }
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| 78 | }
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| 79 | ShellCommandLineFreeVarList (Package);
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| 80 | }
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| 81 | return (ShellStatus);
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| 82 | }
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| 83 |
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