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326 lines
9.3 KiB
C
326 lines
9.3 KiB
C
/******************************************************************************
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* Ventoy.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 <Ventoy.h>
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STATIC ventoy_system_wrapper g_system_wrapper;
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static struct well_known_guid g_efi_well_known_guids[] =
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{
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{ &gEfiAbsolutePointerProtocolGuid, "AbsolutePointer" },
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{ &gEfiAcpiTableProtocolGuid, "AcpiTable" },
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{ &gEfiBlockIoProtocolGuid, "BlockIo" },
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{ &gEfiBlockIo2ProtocolGuid, "BlockIo2" },
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{ &gEfiBusSpecificDriverOverrideProtocolGuid, "BusSpecificDriverOverride" },
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{ &gEfiComponentNameProtocolGuid, "ComponentName" },
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{ &gEfiComponentName2ProtocolGuid, "ComponentName2" },
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{ &gEfiDevicePathProtocolGuid, "DevicePath" },
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{ &gEfiDriverBindingProtocolGuid, "DriverBinding" },
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{ &gEfiDiskIoProtocolGuid, "DiskIo" },
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{ &gEfiDiskIo2ProtocolGuid, "DiskIo2" },
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{ &gEfiGraphicsOutputProtocolGuid, "GraphicsOutput" },
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{ &gEfiHiiConfigAccessProtocolGuid, "HiiConfigAccess" },
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{ &gEfiHiiFontProtocolGuid, "HiiFont" },
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{ &gEfiLoadFileProtocolGuid, "LoadFile" },
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{ &gEfiLoadFile2ProtocolGuid, "LoadFile2" },
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{ &gEfiLoadedImageProtocolGuid, "LoadedImage" },
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{ &gEfiLoadedImageDevicePathProtocolGuid, "LoadedImageDevicePath"},
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{ &gEfiPciIoProtocolGuid, "PciIo" },
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{ &gEfiSerialIoProtocolGuid, "SerialIo" },
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{ &gEfiSimpleFileSystemProtocolGuid, "SimpleFileSystem" },
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{ &gEfiSimpleTextInProtocolGuid, "SimpleTextInput" },
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{ &gEfiSimpleTextInputExProtocolGuid, "SimpleTextInputEx" },
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{ &gEfiSimpleTextOutProtocolGuid, "SimpleTextOutput" },
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};
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STATIC CHAR8 gEfiGuidName[128];
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static const char * ventoy_get_guid_name(EFI_GUID *guid)
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{
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UINTN i;
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for (i = 0; i < ARRAY_SIZE(g_efi_well_known_guids); i++)
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{
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if (CompareGuid(g_efi_well_known_guids[i].guid, guid))
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{
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return g_efi_well_known_guids[i].name;
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}
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}
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AsciiSPrint(gEfiGuidName, sizeof(gEfiGuidName), "%g", guid);
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return gEfiGuidName;
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}
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EFI_STATUS EFIAPI
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ventoy_wrapper_fs_open(EFI_FILE_HANDLE This, EFI_FILE_HANDLE *New, CHAR16 *Name, UINT64 Mode, UINT64 Attributes)
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{
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(VOID)This;
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(VOID)New;
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(VOID)Name;
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(VOID)Mode;
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(VOID)Attributes;
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return EFI_SUCCESS;
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}
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EFI_STATUS EFIAPI
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ventoy_wrapper_file_open_ex(EFI_FILE_HANDLE This, EFI_FILE_HANDLE *New, CHAR16 *Name, UINT64 Mode, UINT64 Attributes, EFI_FILE_IO_TOKEN *Token)
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{
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return ventoy_wrapper_fs_open(This, New, Name, Mode, Attributes);
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}
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EFI_STATUS EFIAPI
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ventoy_wrapper_file_delete(EFI_FILE_HANDLE This)
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{
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(VOID)This;
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return EFI_SUCCESS;
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}
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EFI_STATUS EFIAPI
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ventoy_wrapper_file_set_info(EFI_FILE_HANDLE This, EFI_GUID *Type, UINTN Len, VOID *Data)
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{
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return EFI_SUCCESS;
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}
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EFI_STATUS EFIAPI
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ventoy_wrapper_file_flush(EFI_FILE_HANDLE This)
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{
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(VOID)This;
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return EFI_SUCCESS;
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}
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/* Ex version */
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EFI_STATUS EFIAPI
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ventoy_wrapper_file_flush_ex(EFI_FILE_HANDLE This, EFI_FILE_IO_TOKEN *Token)
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{
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(VOID)This;
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(VOID)Token;
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return EFI_SUCCESS;
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}
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EFI_STATUS EFIAPI
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ventoy_wrapper_file_write(EFI_FILE_HANDLE This, UINTN *Len, VOID *Data)
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{
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(VOID)This;
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(VOID)Len;
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(VOID)Data;
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return EFI_WRITE_PROTECTED;
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}
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EFI_STATUS EFIAPI
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ventoy_wrapper_file_write_ex(IN EFI_FILE_PROTOCOL *This, IN OUT EFI_FILE_IO_TOKEN *Token)
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{
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return ventoy_wrapper_file_write(This, &(Token->BufferSize), Token->Buffer);
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}
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static EFI_STATUS EFIAPI
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ventoy_wrapper_file_close(EFI_FILE_HANDLE This)
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{
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(VOID)This;
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return EFI_SUCCESS;
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}
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static EFI_STATUS EFIAPI
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ventoy_wrapper_file_set_pos(EFI_FILE_HANDLE This, UINT64 Position)
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{
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(VOID)This;
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g_efi_file_replace.CurPos = Position;
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return EFI_SUCCESS;
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}
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static EFI_STATUS EFIAPI
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ventoy_wrapper_file_get_pos(EFI_FILE_HANDLE This, UINT64 *Position)
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{
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(VOID)This;
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*Position = g_efi_file_replace.CurPos;
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return EFI_SUCCESS;
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}
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static EFI_STATUS EFIAPI
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ventoy_wrapper_file_get_info(EFI_FILE_HANDLE This, EFI_GUID *Type, UINTN *Len, VOID *Data)
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{
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EFI_FILE_INFO *Info = (EFI_FILE_INFO *) Data;
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debug("ventoy_wrapper_file_get_info ... %u", *Len);
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if (!CompareGuid(Type, &gEfiFileInfoGuid))
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{
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return EFI_INVALID_PARAMETER;
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}
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if (*Len == 0)
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{
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*Len = 384;
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return EFI_BUFFER_TOO_SMALL;
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}
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ZeroMem(Data, sizeof(EFI_FILE_INFO));
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Info->Size = sizeof(EFI_FILE_INFO);
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Info->FileSize = g_efi_file_replace.FileSizeBytes;
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Info->PhysicalSize = g_efi_file_replace.FileSizeBytes;
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Info->Attribute = EFI_FILE_READ_ONLY;
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//Info->FileName = EFI_FILE_READ_ONLY;
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*Len = Info->Size;
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return EFI_SUCCESS;
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}
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static EFI_STATUS EFIAPI
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ventoy_wrapper_file_read(EFI_FILE_HANDLE This, UINTN *Len, VOID *Data)
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{
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EFI_LBA Lba;
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UINTN ReadLen = *Len;
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(VOID)This;
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debug("ventoy_wrapper_file_read ... %u", *Len);
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if (g_efi_file_replace.CurPos + ReadLen > g_efi_file_replace.FileSizeBytes)
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{
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ReadLen = g_efi_file_replace.FileSizeBytes - g_efi_file_replace.CurPos;
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}
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Lba = g_efi_file_replace.CurPos / 2048 + g_efi_file_replace.BlockIoSectorStart;
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ventoy_block_io_read(NULL, 0, Lba, ReadLen, Data);
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*Len = ReadLen;
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g_efi_file_replace.CurPos += ReadLen;
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return EFI_SUCCESS;
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}
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EFI_STATUS EFIAPI
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ventoy_wrapper_file_read_ex(IN EFI_FILE_PROTOCOL *This, IN OUT EFI_FILE_IO_TOKEN *Token)
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{
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return ventoy_wrapper_file_read(This, &(Token->BufferSize), Token->Buffer);
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}
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EFI_STATUS EFIAPI ventoy_wrapper_file_procotol(EFI_FILE_PROTOCOL *File)
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{
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File->Revision = EFI_FILE_PROTOCOL_REVISION2;
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File->Open = ventoy_wrapper_fs_open;
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File->Close = ventoy_wrapper_file_close;
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File->Delete = ventoy_wrapper_file_delete;
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File->Read = ventoy_wrapper_file_read;
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File->Write = ventoy_wrapper_file_write;
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File->GetPosition = ventoy_wrapper_file_get_pos;
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File->SetPosition = ventoy_wrapper_file_set_pos;
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File->GetInfo = ventoy_wrapper_file_get_info;
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File->SetInfo = ventoy_wrapper_file_set_info;
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File->Flush = ventoy_wrapper_file_flush;
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File->OpenEx = ventoy_wrapper_file_open_ex;
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File->ReadEx = ventoy_wrapper_file_read_ex;
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File->WriteEx = ventoy_wrapper_file_write_ex;
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File->FlushEx = ventoy_wrapper_file_flush_ex;
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return EFI_SUCCESS;
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}
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STATIC EFI_STATUS EFIAPI ventoy_handle_protocol
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(
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IN EFI_HANDLE Handle,
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IN EFI_GUID *Protocol,
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OUT VOID **Interface
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)
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{
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EFI_STATUS Status = EFI_SUCCESS;
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debug("ventoy_handle_protocol:%a", ventoy_get_guid_name(Protocol));
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Status = g_system_wrapper.OriHandleProtocol(Handle, Protocol, Interface);
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if (CompareGuid(Protocol, &gEfiSimpleFileSystemProtocolGuid))
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{
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EFI_FILE_PROTOCOL *FileProtocol = NULL;
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EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *pFile = *((EFI_SIMPLE_FILE_SYSTEM_PROTOCOL **)(Interface));
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pFile->OpenVolume(pFile, &FileProtocol);
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debug("Handle FS Protocol: %p OpenVolume:%p, FileProtocol:%p, Open:%p",
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pFile, pFile->OpenVolume, FileProtocol, FileProtocol->Open);
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sleep(3);
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}
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return Status;
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}
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STATIC EFI_STATUS EFIAPI ventoy_open_protocol
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(
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IN EFI_HANDLE Handle,
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IN EFI_GUID *Protocol,
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OUT VOID **Interface, OPTIONAL
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IN EFI_HANDLE AgentHandle,
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IN EFI_HANDLE ControllerHandle,
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IN UINT32 Attributes
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)
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{
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debug("ventoy_open_protocol:%a", ventoy_get_guid_name(Protocol));
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return g_system_wrapper.OriOpenProtocol(Handle, Protocol, Interface, AgentHandle, ControllerHandle, Attributes);
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}
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STATIC EFI_STATUS EFIAPI ventoy_locate_protocol
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(
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IN EFI_GUID *Protocol,
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IN VOID *Registration, OPTIONAL
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OUT VOID **Interface
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)
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{
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debug("ventoy_locate_protocol:%a", ventoy_get_guid_name(Protocol));
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return g_system_wrapper.OriLocateProtocol(Protocol, Registration, Interface);
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}
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EFI_STATUS EFIAPI ventoy_wrapper_system(VOID)
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{
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ventoy_wrapper(gBS, g_system_wrapper, LocateProtocol, ventoy_locate_protocol);
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ventoy_wrapper(gBS, g_system_wrapper, HandleProtocol, ventoy_handle_protocol);
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ventoy_wrapper(gBS, g_system_wrapper, OpenProtocol, ventoy_open_protocol);
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return EFI_SUCCESS;
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}
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