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/** @file
Main file for attrib shell level 2 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 "UefiShellLevel2CommandsLib.h"
STATIC CONST SHELL_PARAM_ITEM ResetParamList[] = {
{ L"-w", TypeValue },
{ L"-s", TypeValue },
{ L"-c", TypeValue },
{ L"-fwui", TypeFlag },
{ NULL, TypeMax }
};
/**
Function for 'reset' 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
ShellCommandRunReset (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
LIST_ENTRY *Package;
CONST CHAR16 *String;
CHAR16 *ProblemParam;
SHELL_STATUS ShellStatus;
UINT64 OsIndications;
UINT32 Attr;
UINTN DataSize;
ShellStatus = SHELL_SUCCESS;
ProblemParam = NULL;
//
// initialize the shell lib (we must be in non-auto-init...)
//
Status = ShellInitialize ();
ASSERT_EFI_ERROR (Status);
//
// parse the command line
//
Status = ShellCommandLineParse (ResetParamList, &Package, &ProblemParam, TRUE);
if (EFI_ERROR (Status)) {
if ((Status == EFI_VOLUME_CORRUPTED) && (ProblemParam != NULL)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"reset", ProblemParam);
FreePool (ProblemParam);
return (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), gShellLevel2HiiHandle, L"reset");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
if (ShellCommandLineGetFlag (Package, L"-fwui")) {
DataSize = sizeof (OsIndications);
Status = gRT->GetVariable (
EFI_OS_INDICATIONS_SUPPORT_VARIABLE_NAME,
&gEfiGlobalVariableGuid,
&Attr,
&DataSize,
&OsIndications
);
if (EFI_ERROR (Status)) {
ShellStatus = SHELL_UNSUPPORTED;
goto Error;
}
if ((OsIndications & EFI_OS_INDICATIONS_BOOT_TO_FW_UI) != 0) {
DataSize = sizeof (OsIndications);
Status = gRT->GetVariable (
EFI_OS_INDICATIONS_VARIABLE_NAME,
&gEfiGlobalVariableGuid,
&Attr,
&DataSize,
&OsIndications
);
if (EFI_ERROR (Status)) {
OsIndications = EFI_OS_INDICATIONS_BOOT_TO_FW_UI;
} else {
OsIndications |= EFI_OS_INDICATIONS_BOOT_TO_FW_UI;
}
Status = gRT->SetVariable (
EFI_OS_INDICATIONS_VARIABLE_NAME,
&gEfiGlobalVariableGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
sizeof (OsIndications),
&OsIndications
);
}
if (EFI_ERROR (Status)) {
ShellStatus = SHELL_UNSUPPORTED;
goto Error;
}
}
//
// check for warm reset flag, then shutdown reset flag, then cold (default) reset flag
//
if (ShellCommandLineGetFlag (Package, L"-w")) {
if (ShellCommandLineGetFlag (Package, L"-s") || ShellCommandLineGetFlag (Package, L"-c")) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"reset");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
String = ShellCommandLineGetValue (Package, L"-w");
if (String != NULL) {
gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, StrSize (String), (VOID *)String);
} else {
gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);
}
}
} else if (ShellCommandLineGetFlag (Package, L"-s")) {
if (ShellCommandLineGetFlag (Package, L"-c")) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"reset");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
String = ShellCommandLineGetValue (Package, L"-s");
DEBUG_CODE (
ShellPrintEx (-1, -1, L"Reset with %s (%d bytes)", String, String != NULL ? StrSize (String) : 0);
);
if (String != NULL) {
gRT->ResetSystem (EfiResetShutdown, EFI_SUCCESS, StrSize (String), (VOID *)String);
} else {
gRT->ResetSystem (EfiResetShutdown, EFI_SUCCESS, 0, NULL);
}
}
} else {
//
// this is default so dont worry about flag...
//
String = ShellCommandLineGetValue (Package, L"-c");
if (String != NULL) {
gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, StrSize (String), (VOID *)String);
} else {
gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, 0, NULL);
}
}
}
}
//
// we should never get here... so the free and return are for formality more than use
// as the ResetSystem function should not return...
//
Error:
//
// free the command line package
//
ShellCommandLineFreeVarList (Package);
//
// return the status
//
return (ShellStatus);
}
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