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/** @file
Main file for Unload shell Driver1 function.
Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "UefiShellDriver1CommandsLib.h"
/**
Function to dump LoadedImage info from TheHandle.
@param[in] TheHandle The handle to dump info from.
@retval EFI_SUCCESS The info was dumped.
@retval EFI_INVALID_PARAMETER The handle did not have LoadedImage
**/
EFI_STATUS
EFIAPI
DumpLoadedImageProtocolInfo (
IN EFI_HANDLE TheHandle
)
{
CHAR16 *TheString;
TheString = GetProtocolInformationDump(TheHandle, &gEfiLoadedImageProtocolGuid, TRUE);
ShellPrintEx(-1, -1, L"%s", TheString);
SHELL_FREE_NON_NULL(TheString);
return (EFI_SUCCESS);
}
STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
{L"-n", TypeFlag},
{L"-v", TypeFlag},
{L"-verbose", TypeFlag},
{NULL, TypeMax}
};
/**
Function for 'unload' 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
ShellCommandRunUnload (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
LIST_ENTRY *Package;
CHAR16 *ProblemParam;
SHELL_STATUS ShellStatus;
EFI_HANDLE TheHandle;
CONST CHAR16 *Param1;
SHELL_PROMPT_RESPONSE *Resp;
UINT64 Value;
ShellStatus = SHELL_SUCCESS;
Package = NULL;
Resp = NULL;
Value = 0;
TheHandle = NULL;
//
// initialize the shell lib (we must be in non-auto-init...)
//
Status = ShellInitialize();
ASSERT_EFI_ERROR(Status);
//
// parse the command line
//
Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
if (EFI_ERROR(Status)) {
if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDriver1HiiHandle, ProblemParam);
FreePool(ProblemParam);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
ASSERT(FALSE);
}
} else {
if (ShellCommandLineGetCount(Package) > 2){
//
// error for too many parameters
//
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDriver1HiiHandle);
ShellStatus = SHELL_INVALID_PARAMETER;
} else if (ShellCommandLineGetCount(Package) < 2) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDriver1HiiHandle);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
Param1 = ShellCommandLineGetRawValue(Package, 1);
if (Param1 != NULL) {
Status = ShellConvertStringToUint64(Param1, &Value, TRUE, FALSE);
TheHandle = ConvertHandleIndexToHandle((UINTN)Value);
}
if (EFI_ERROR(Status) || Param1 == NULL || TheHandle == NULL){
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, Param1);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
ASSERT(TheHandle != NULL);
if (ShellCommandLineGetFlag(Package, L"-v") || ShellCommandLineGetFlag(Package, L"-verbose")) {
DumpLoadedImageProtocolInfo(TheHandle);
}
if (!ShellCommandLineGetFlag(Package, L"-n")) {
Status = ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_UNLOAD_CONF), gShellDriver1HiiHandle, (UINTN)TheHandle);
Status = ShellPromptForResponse(ShellPromptResponseTypeYesNo, NULL, (VOID**)&Resp);
}
if (ShellCommandLineGetFlag(Package, L"-n") || (Resp != NULL && *Resp == ShellPromptResponseYes)) {
Status = gBS->UnloadImage(TheHandle);
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HANDLE_RESULT), gShellDriver1HiiHandle, L"Unload", (UINTN)TheHandle, Status);
}
SHELL_FREE_NON_NULL(Resp);
}
}
}
if (ShellStatus == SHELL_SUCCESS) {
if (Status == EFI_SECURITY_VIOLATION) {
ShellStatus = SHELL_SECURITY_VIOLATION;
} else if (Status == EFI_INVALID_PARAMETER) {
ShellStatus = SHELL_INVALID_PARAMETER;
} else if (EFI_ERROR(Status)) {
ShellStatus = SHELL_NOT_FOUND;
}
}
if (Package != NULL) {
ShellCommandLineFreeVarList(Package);
}
return (ShellStatus);
}
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