mirror of https://github.com/ventoy/Ventoy
Add F5-->Tools-->Ventoy UEFI Utilities-->Show EFI Drivers feature.
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/******************************************************************************
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* VtoyDrv.c
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*
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* Copyright (c) 2020, longpanda <admin@ventoy.net>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <Uefi.h>
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#include <Library/DebugLib.h>
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#include <Library/PrintLib.h>
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#include <Library/UefiLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/DevicePathLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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#include <Library/UefiApplicationEntryPoint.h>
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#include <Protocol/LoadedImage.h>
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#include <Guid/FileInfo.h>
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#include <Guid/FileSystemInfo.h>
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#include <Protocol/BlockIo.h>
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#include <Protocol/RamDisk.h>
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#include <Protocol/SimpleFileSystem.h>
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#include <VtoyUtil.h>
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STATIC UINTN g_EfiDriverNameCnt = 0;
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STATIC CHAR16 *g_EfiDriverNameList[1024] = { NULL };
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STATIC EFI_STATUS AddEfiDriverName(IN CHAR16 *DriverName)
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{
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UINTN i = 0;
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if (g_EfiDriverNameCnt >= 1024)
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{
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return EFI_OUT_OF_RESOURCES;
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}
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for (i = 0; i < g_EfiDriverNameCnt; i++)
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{
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if (g_EfiDriverNameList[i] && StrCmp(g_EfiDriverNameList[i], DriverName) == 0)
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{
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break;
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}
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}
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if (i >= g_EfiDriverNameCnt)
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{
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g_EfiDriverNameList[g_EfiDriverNameCnt] = DriverName;
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g_EfiDriverNameCnt++;
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}
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return EFI_SUCCESS;
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}
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EFI_STATUS ShowEfiDrivers(IN EFI_HANDLE ImageHandle, IN CONST CHAR16 *CmdLine)
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{
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UINTN i = 0;
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UINTN Count = 0;
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CHAR16 *DriverName = NULL;
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EFI_HANDLE *Handles = NULL;
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EFI_STATUS Status = EFI_SUCCESS;
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EFI_COMPONENT_NAME_PROTOCOL *NameProtocol = NULL;
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EFI_COMPONENT_NAME2_PROTOCOL *Name2Protocol = NULL;
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(VOID)ImageHandle;
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(VOID)CmdLine;
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Status = gBS->LocateHandleBuffer(ByProtocol, &gEfiComponentName2ProtocolGuid,
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NULL, &Count, &Handles);
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if (EFI_ERROR(Status))
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{
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return Status;
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}
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for (i = 0; i < Count; i++)
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{
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Status = gBS->HandleProtocol(Handles[i], &gEfiComponentName2ProtocolGuid, (VOID **)&Name2Protocol);
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if (EFI_ERROR(Status))
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{
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continue;
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}
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DriverName = NULL;
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Status = VtoyGetComponentName(2, Name2Protocol, &DriverName);
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if ((!EFI_ERROR(Status)) && (DriverName))
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{
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AddEfiDriverName(DriverName);
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}
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}
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Count = 0;
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FreePool(Handles);
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Handles = NULL;
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Status = gBS->LocateHandleBuffer(ByProtocol, &gEfiComponentNameProtocolGuid,
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NULL, &Count, &Handles);
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if (EFI_ERROR(Status))
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{
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return Status;
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}
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for (i = 0; i < Count; i++)
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{
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Status = gBS->HandleProtocol(Handles[i], &gEfiComponentNameProtocolGuid, (VOID **)&NameProtocol);
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if (EFI_ERROR(Status))
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{
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continue;
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}
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DriverName = NULL;
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Status = VtoyGetComponentName(1, Name2Protocol, &DriverName);
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if ((!EFI_ERROR(Status)) && (DriverName))
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{
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AddEfiDriverName(DriverName);
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}
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}
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FreePool(Handles);
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for (i = 0; i < g_EfiDriverNameCnt; i++)
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{
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Printf("%2d %s\n", i, g_EfiDriverNameList[i]);
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}
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return EFI_SUCCESS;
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}
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