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229 lines
8.0 KiB
C
229 lines
8.0 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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#define PROCOTOL_SLEEP_MSECONDS 0
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#define debug_sleep() if (PROCOTOL_SLEEP_MSECONDS) gBS->Stall(1000 * PROCOTOL_SLEEP_MSECONDS)
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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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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)); debug_sleep();
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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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trace("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:<%p> %a", Handle, ventoy_get_guid_name(Protocol)); debug_sleep();
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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)); debug_sleep();
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return g_system_wrapper.OriLocateProtocol(Protocol, Registration, Interface);
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}
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STATIC EFI_STATUS EFIAPI ventoy_locate_handle_buffer
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(
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IN EFI_LOCATE_SEARCH_TYPE SearchType,
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IN EFI_GUID *Protocol, OPTIONAL
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IN VOID *SearchKey, OPTIONAL
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IN OUT UINTN *NoHandles,
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OUT EFI_HANDLE **Buffer
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)
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{
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debug("ventoy_locate_handle_buffer:%a", ventoy_get_guid_name(Protocol)); debug_sleep();
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return g_system_wrapper.OriLocateHandleBuffer(SearchType, Protocol, SearchKey, NoHandles, Buffer);
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}
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STATIC EFI_STATUS EFIAPI ventoy_protocol_per_handle
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(
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IN EFI_HANDLE Handle,
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OUT EFI_GUID ***ProtocolBuffer,
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OUT UINTN *ProtocolBufferCount
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)
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{
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debug("ventoy_protocol_per_handle:%p", Handle); debug_sleep();
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return g_system_wrapper.OriProtocolsPerHandle(Handle, ProtocolBuffer, ProtocolBufferCount);
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}
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EFI_STATUS EFIAPI ventoy_locate_handle
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(
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IN EFI_LOCATE_SEARCH_TYPE SearchType,
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IN EFI_GUID *Protocol, OPTIONAL
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IN VOID *SearchKey, OPTIONAL
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IN OUT UINTN *BufferSize,
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OUT EFI_HANDLE *Buffer
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)
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{
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UINTN i;
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EFI_HANDLE Handle;
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EFI_STATUS Status = EFI_SUCCESS;
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debug("ventoy_locate_handle: %d %a %p", SearchType, ventoy_get_guid_name(Protocol), SearchKey);
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Status = g_system_wrapper.OriLocateHandle(SearchType, Protocol, SearchKey, BufferSize, Buffer);
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debug("ventoy_locate_handle: %r Handle Count:%u", Status, *BufferSize/sizeof(EFI_HANDLE));
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if (EFI_SUCCESS == Status)
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{
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for (i = 0; i < *BufferSize / sizeof(EFI_HANDLE); i++)
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{
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if (Buffer[i] == gBlockData.Handle)
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{
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Handle = Buffer[0];
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Buffer[0] = Buffer[i];
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Buffer[i] = Handle;
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debug("####### Handle at %u", i);
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break;
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}
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}
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}
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debug_sleep();
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return Status;
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}
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STATIC EFI_STATUS EFIAPI ventoy_locate_device_path
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(
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IN EFI_GUID *Protocol,
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IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath,
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OUT EFI_HANDLE *Device
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)
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{
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debug("ventoy_locate_device_path:%a", ventoy_get_guid_name(Protocol)); debug_sleep();
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return g_system_wrapper.OriLocateDevicePath(Protocol, DevicePath, Device);
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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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ventoy_wrapper(gBS, g_system_wrapper, LocateHandleBuffer, ventoy_locate_handle_buffer);
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ventoy_wrapper(gBS, g_system_wrapper, ProtocolsPerHandle, ventoy_protocol_per_handle);
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ventoy_wrapper(gBS, g_system_wrapper, LocateHandle, ventoy_locate_handle);
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ventoy_wrapper(gBS, g_system_wrapper, LocateDevicePath, ventoy_locate_device_path);
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return EFI_SUCCESS;
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}
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