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https://github.com/CloverHackyColor/CloverBootloader.git
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149 lines
4.9 KiB
C
149 lines
4.9 KiB
C
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/** @file
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Main file for Unload shell Driver1 function.
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(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
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Copyright (c) 2010 - 2014, 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 "UefiShellDriver1CommandsLib.h"
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/**
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Function to dump LoadedImage info from TheHandle.
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@param[in] TheHandle The handle to dump info from.
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@retval EFI_SUCCESS The info was dumped.
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@retval EFI_INVALID_PARAMETER The handle did not have LoadedImage
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**/
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EFI_STATUS
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DumpLoadedImageProtocolInfo (
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IN EFI_HANDLE TheHandle
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)
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{
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CHAR16 *TheString;
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TheString = GetProtocolInformationDump(TheHandle, &gEfiLoadedImageProtocolGuid, TRUE);
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ShellPrintEx(-1, -1, L"%s", TheString);
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SHELL_FREE_NON_NULL(TheString);
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return (EFI_SUCCESS);
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}
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STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
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{L"-n", TypeFlag},
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{L"-v", TypeFlag},
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{L"-verbose", TypeFlag},
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{NULL, TypeMax}
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};
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/**
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Function for 'unload' 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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ShellCommandRunUnload (
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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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EFI_HANDLE TheHandle;
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CONST CHAR16 *Param1;
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SHELL_PROMPT_RESPONSE *Resp;
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UINT64 Value;
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ShellStatus = SHELL_SUCCESS;
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Package = NULL;
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Resp = NULL;
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Value = 0;
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TheHandle = NULL;
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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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//
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// parse the command line
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//
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Status = ShellCommandLineParse (ParamList, &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), gShellDriver1HiiHandle,L"unload", 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 (ShellCommandLineGetCount(Package) > 2){
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//
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// error for too many parameters
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//
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDriver1HiiHandle, L"unload");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else if (ShellCommandLineGetCount(Package) < 2) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDriver1HiiHandle, L"unload");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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Param1 = ShellCommandLineGetRawValue(Package, 1);
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if (Param1 != NULL) {
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Status = ShellConvertStringToUint64(Param1, &Value, TRUE, FALSE);
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TheHandle = ConvertHandleIndexToHandle((UINTN)Value);
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}
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if (EFI_ERROR(Status) || Param1 == NULL || TheHandle == NULL){
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_INV_HANDLE), gShellDriver1HiiHandle, L"unload", Param1);
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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ASSERT(TheHandle != NULL);
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if (ShellCommandLineGetFlag(Package, L"-v") || ShellCommandLineGetFlag(Package, L"-verbose")) {
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DumpLoadedImageProtocolInfo(TheHandle);
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}
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if (!ShellCommandLineGetFlag(Package, L"-n")) {
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Status = ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_UNLOAD_CONF), gShellDriver1HiiHandle, (UINTN)TheHandle);
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Status = ShellPromptForResponse(ShellPromptResponseTypeYesNo, NULL, (VOID**)&Resp);
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}
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if (ShellCommandLineGetFlag(Package, L"-n") || (Resp != NULL && *Resp == ShellPromptResponseYes)) {
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Status = gBS->UnloadImage(TheHandle);
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HANDLE_RESULT), gShellDriver1HiiHandle, L"Unload", (UINTN)TheHandle, Status);
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}
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SHELL_FREE_NON_NULL(Resp);
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}
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}
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}
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if (ShellStatus == SHELL_SUCCESS) {
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if (Status == EFI_SECURITY_VIOLATION) {
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ShellStatus = SHELL_SECURITY_VIOLATION;
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} else if (Status == EFI_INVALID_PARAMETER) {
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else if (EFI_ERROR(Status)) {
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ShellStatus = SHELL_NOT_FOUND;
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}
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}
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if (Package != NULL) {
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ShellCommandLineFreeVarList(Package);
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}
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return (ShellStatus);
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}
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