mirror of https://github.com/acidanthera/audk.git
84 lines
2.9 KiB
C
84 lines
2.9 KiB
C
/** @file
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Main file for stall shell level 1 function.
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Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "UefiShellLevel1CommandsLib.h"
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/**
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Function for 'stall' command.
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@param[in] ImageHandle Handle to the Image (NULL if Internal).
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@param[in] SystemTable Pointer to the System Table (NULL if Internal).
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**/
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SHELL_STATUS
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EFIAPI
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ShellCommandRunStall (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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LIST_ENTRY *Package;
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CHAR16 *ProblemParam;
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SHELL_STATUS ShellStatus;
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UINT64 Intermediate;
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ShellStatus = SHELL_SUCCESS;
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//
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// initialize the shell lib (we must be in non-auto-init...)
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//
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Status = ShellInitialize();
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ASSERT_EFI_ERROR(Status);
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Status = CommandInit();
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ASSERT_EFI_ERROR(Status);
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//
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// parse the command line
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//
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Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
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if (EFI_ERROR(Status)) {
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if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel1HiiHandle, ProblemParam);
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FreePool(ProblemParam);
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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ASSERT(FALSE);
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}
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} else {
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if (ShellCommandLineGetRawValue(Package, 2) != NULL) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel1HiiHandle);
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else if (ShellCommandLineGetRawValue(Package, 1) == NULL) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel1HiiHandle);
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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Status = ShellConvertStringToUint64(ShellCommandLineGetRawValue(Package, 1), &Intermediate, FALSE, FALSE);
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if (EFI_ERROR(Status) || ((UINT64)(UINTN)(Intermediate)) != Intermediate) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM_VAL), gShellLevel1HiiHandle, ShellCommandLineGetRawValue(Package, 1));
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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Status = gBS->Stall((UINTN)Intermediate);
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if (EFI_ERROR(Status)) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_STALL_FAILED), gShellLevel1HiiHandle, Status);
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ShellStatus = SHELL_DEVICE_ERROR;
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}
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}
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}
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ShellCommandLineFreeVarList (Package);
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}
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return (ShellStatus);
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}
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