#include <Protocol/BlockIo.h>
#include <Protocol/RamDisk.h>
#include <Protocol/SimpleFileSystem.h>
+#include <Protocol/DriverBinding.h>
#include <Ventoy.h>
+UINT8 *g_iso_data_buf = NULL;
UINTN g_iso_buf_size = 0;
BOOLEAN gMemdiskMode = FALSE;
+BOOLEAN gSector512Mode = FALSE;
ventoy_sector_flag *g_sector_flag = NULL;
UINT32 g_sector_flag_num = 0;
STATIC EFI_INPUT_READ_KEY_EX g_org_read_key_ex = NULL;
STATIC EFI_INPUT_READ_KEY g_org_read_key = NULL;
+STATIC EFI_LOCATE_HANDLE g_org_locate_handle = NULL;
+
+STATIC UINT8 g_sector_buf[2048];
+STATIC EFI_BLOCK_READ g_sector_2048_read = NULL;
+STATIC EFI_BLOCK_WRITE g_sector_2048_write = NULL;
+
+STATIC UINTN g_DriverBindWrapperCnt = 0;
+STATIC DRIVER_BIND_WRAPPER g_DriverBindWrapperList[MAX_DRIVER_BIND_WRAPPER];
+
+BOOLEAN ventoy_is_cdrom_dp_exist(VOID)
+{
+ UINTN i = 0;
+ UINTN Count = 0;
+ EFI_HANDLE *Handles = NULL;
+ EFI_STATUS Status = EFI_SUCCESS;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath = NULL;
+
+ Status = gBS->LocateHandleBuffer(ByProtocol, &gEfiDevicePathProtocolGuid,
+ NULL, &Count, &Handles);
+ if (EFI_ERROR(Status))
+ {
+ return FALSE;
+ }
+
+ for (i = 0; i < Count; i++)
+ {
+ Status = gBS->HandleProtocol(Handles[i], &gEfiDevicePathProtocolGuid, (VOID **)&DevicePath);
+ if (EFI_ERROR(Status))
+ {
+ continue;
+ }
+
+ while (!IsDevicePathEnd(DevicePath))
+ {
+ if (MEDIA_DEVICE_PATH == DevicePath->Type && MEDIA_CDROM_DP == DevicePath->SubType)
+ {
+ FreePool(Handles);
+ return TRUE;
+ }
+
+ DevicePath = NextDevicePathNode(DevicePath);
+ }
+ }
+
+ FreePool(Handles);
+ return FALSE;
+}
+
#if 0
/* Block IO procotol */
#endif
ventoy_override_chunk *pOverride = g_override_chunk;
EFI_BLOCK_IO_PROTOCOL *pRawBlockIo = gBlockData.pRawBlockIo;
- debug("read iso sector %lu count %u", Sector, Count);
+ debug("read iso sector %lu count %u Buffer:%p Align:%u", Sector, Count, Buffer, pRawBlockIo->Media->IoAlign);
ReadStart = Sector * 2048;
ReadEnd = (Sector + Count) * 2048;
{
MapLba = (Sector - pchunk->img_start_sector) * 4 + pchunk->disk_start_sector;
}
- else
+ else if (g_chain->disk_sector_size == 1024)
+ {
+ MapLba = (Sector - pchunk->img_start_sector) * 2 + pchunk->disk_start_sector;
+ }
+ else if (g_chain->disk_sector_size == 2048)
{
- MapLba = (Sector - pchunk->img_start_sector) * 2048 / g_chain->disk_sector_size + pchunk->disk_start_sector;
+ MapLba = (Sector - pchunk->img_start_sector) + pchunk->disk_start_sector;
+ }
+ else if (g_chain->disk_sector_size == 4096)
+ {
+ MapLba = ((Sector - pchunk->img_start_sector) >> 1) + pchunk->disk_start_sector;
}
secLeft = pchunk->img_end_sector + 1 - Sector;
MapLba, secRead * 2048, pCurBuf);
if (EFI_ERROR(Status))
{
- debug("Raw disk read block failed %r", Status);
+ debug("Raw disk read block failed %r LBA:%lu Count:%u %p", Status, MapLba, secRead, pCurBuf);
return Status;
}
return EFI_SUCCESS;
}
+STATIC EFI_STATUS EFIAPI ventoy_write_iso_sector
+(
+ IN UINT64 Sector,
+ IN UINTN Count,
+ IN VOID *Buffer
+)
+{
+ EFI_STATUS Status = EFI_SUCCESS;
+ EFI_LBA MapLba = 0;
+ UINT32 i = 0;
+ UINTN secLeft = 0;
+ UINTN secRead = 0;
+ UINT64 ReadStart = 0;
+ UINT64 ReadEnd = 0;
+ UINT8 *pCurBuf = (UINT8 *)Buffer;
+ ventoy_img_chunk *pchunk = g_chunk;
+ EFI_BLOCK_IO_PROTOCOL *pRawBlockIo = gBlockData.pRawBlockIo;
+
+ debug("write iso sector %lu count %u", Sector, Count);
+
+ ReadStart = Sector * 2048;
+ ReadEnd = (Sector + Count) * 2048;
+
+ for (i = 0; Count > 0 && i < g_img_chunk_num; i++, pchunk++)
+ {
+ if (Sector >= pchunk->img_start_sector && Sector <= pchunk->img_end_sector)
+ {
+ if (g_chain->disk_sector_size == 512)
+ {
+ MapLba = (Sector - pchunk->img_start_sector) * 4 + pchunk->disk_start_sector;
+ }
+ else if (g_chain->disk_sector_size == 1024)
+ {
+ MapLba = (Sector - pchunk->img_start_sector) * 2 + pchunk->disk_start_sector;
+ }
+ else if (g_chain->disk_sector_size == 2048)
+ {
+ MapLba = (Sector - pchunk->img_start_sector) + pchunk->disk_start_sector;
+ }
+ else if (g_chain->disk_sector_size == 4096)
+ {
+ MapLba = ((Sector - pchunk->img_start_sector) >> 1) + pchunk->disk_start_sector;
+ }
+
+
+ secLeft = pchunk->img_end_sector + 1 - Sector;
+ secRead = (Count < secLeft) ? Count : secLeft;
+
+ Status = pRawBlockIo->WriteBlocks(pRawBlockIo, pRawBlockIo->Media->MediaId,
+ MapLba, secRead * 2048, pCurBuf);
+ if (EFI_ERROR(Status))
+ {
+ debug("Raw disk write block failed %r LBA:%lu Count:%u", Status, MapLba, secRead);
+ return Status;
+ }
+
+ Count -= secRead;
+ Sector += secRead;
+ pCurBuf += secRead * 2048;
+ }
+ }
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS EFIAPI ventoy_block_io_ramdisk_write
+(
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN UINT32 MediaId,
+ IN EFI_LBA Lba,
+ IN UINTN BufferSize,
+ IN VOID *Buffer
+)
+{
+ (VOID)This;
+ (VOID)MediaId;
+ (VOID)Lba;
+ (VOID)BufferSize;
+ (VOID)Buffer;
+
+ if (!gSector512Mode)
+ {
+ return EFI_WRITE_PROTECTED;
+ }
+
+ CopyMem(g_iso_data_buf + (Lba * 2048), Buffer, BufferSize);
+
+ return EFI_SUCCESS;
+}
+
EFI_STATUS EFIAPI ventoy_block_io_ramdisk_read
(
IN EFI_BLOCK_IO_PROTOCOL *This,
(VOID)This;
(VOID)MediaId;
- CopyMem(Buffer, (char *)g_chain + (Lba * 2048), BufferSize);
+ CopyMem(Buffer, g_iso_data_buf + (Lba * 2048), BufferSize);
if (g_blockio_start_record_bcd && FALSE == g_blockio_bcd_read_done)
{
return Lba;
}
-EFI_STATUS EFIAPI ventoy_block_io_read
+EFI_STATUS EFIAPI ventoy_block_io_read_real
(
IN EFI_BLOCK_IO_PROTOCOL *This,
IN UINT32 MediaId,
UINT32 j = 0;
UINT32 lbacount = 0;
UINT32 secNum = 0;
+ UINT32 TmpNum = 0;
+ UINT64 VirtSec = 0;
UINT64 offset = 0;
EFI_LBA curlba = 0;
EFI_LBA lastlba = 0;
ventoy_sector_flag *cur_flag;
ventoy_virt_chunk *node;
- //debug("### ventoy_block_io_read sector:%u count:%u", (UINT32)Lba, (UINT32)BufferSize / 2048);
+ debug("### block_io_read_real sector:%u count:%u Buffer:%p", (UINT32)Lba, (UINT32)BufferSize / 2048, Buffer);
secNum = BufferSize / 2048;
{
return ventoy_read_iso_sector(Lba, secNum, Buffer);
}
+ else if (offset < g_chain->real_img_size_in_bytes)
+ {
+ TmpNum = (g_chain->real_img_size_in_bytes - offset) / 2048;
+ ventoy_read_iso_sector(Lba, TmpNum, Buffer);
+
+ Lba += TmpNum;
+ secNum -= TmpNum;
+ Buffer = (UINT8 *)Buffer + (g_chain->real_img_size_in_bytes - offset);
+ offset = Lba * 2048;
+ }
+
+ VirtSec = g_chain->virt_img_size_in_bytes / 2048;
+ if (Lba >= VirtSec)
+ {
+ return EFI_SUCCESS;
+ }
+ else if (Lba + secNum > VirtSec)
+ {
+ secNum = VirtSec - Lba;
+ }
+
+ debug("XXX block_io_read_real sector:%u count:%u Buffer:%p", (UINT32)Lba, (UINT32)BufferSize / 2048, Buffer);
if (secNum > g_sector_flag_num)
{
return EFI_SUCCESS;
}
+EFI_STATUS EFIAPI ventoy_block_io_read
+(
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN UINT32 MediaId,
+ IN EFI_LBA Lba,
+ IN UINTN BufferSize,
+ OUT VOID *Buffer
+)
+{
+ UINT32 IoAlign = 0;
+ VOID *NewBuf = NULL;
+ EFI_STATUS Status = EFI_OUT_OF_RESOURCES;
+
+ if (gBlockData.pRawBlockIo && gBlockData.pRawBlockIo->Media)
+ {
+ IoAlign = gBlockData.pRawBlockIo->Media->IoAlign;
+ }
+
+ if ((IoAlign == 0) || (((UINTN) Buffer & (IoAlign - 1)) == 0))
+ {
+ Status = ventoy_block_io_read_real(This, MediaId, Lba, BufferSize, Buffer);
+ }
+ else
+ {
+ NewBuf = AllocatePages(EFI_SIZE_TO_PAGES(BufferSize + IoAlign));
+ if (NewBuf)
+ {
+ Status = ventoy_block_io_read_real(This, MediaId, Lba, BufferSize, NewBuf);
+ CopyMem(Buffer, NewBuf, BufferSize);
+ FreePages(NewBuf, EFI_SIZE_TO_PAGES(BufferSize + IoAlign));
+ }
+ }
+
+ return Status;
+}
+
EFI_STATUS EFIAPI ventoy_block_io_write
(
IN EFI_BLOCK_IO_PROTOCOL *This,
IN VOID *Buffer
)
{
+ UINT32 secNum = 0;
+ UINT64 offset = 0;
+
(VOID)This;
(VOID)MediaId;
- (VOID)Lba;
- (VOID)BufferSize;
- (VOID)Buffer;
- return EFI_WRITE_PROTECTED;
+
+ if (!gSector512Mode)
+ {
+ return EFI_WRITE_PROTECTED;
+ }
+
+ secNum = BufferSize / 2048;
+ offset = Lba * 2048;
+
+ return ventoy_write_iso_sector(Lba, secNum, Buffer);
}
EFI_STATUS EFIAPI ventoy_block_io_flush(IN EFI_BLOCK_IO_PROTOCOL *This)
return EFI_SUCCESS;
}
+STATIC UINTN ventoy_get_current_device_path_id(VOID)
+{
+ UINTN i = 0;
+ UINTN Count = 0;
+ UINTN MaxId = 0;
+ UINTN CurId = 0;
+ BOOLEAN Find = FALSE;
+ EFI_HANDLE *Handles = NULL;
+ EFI_STATUS Status = EFI_SUCCESS;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath = NULL;
+ VENDOR_DEVICE_PATH *venPath = NULL;
+
+ Status = gBS->LocateHandleBuffer(ByProtocol, &gEfiDevicePathProtocolGuid,
+ NULL, &Count, &Handles);
+ if (EFI_ERROR(Status))
+ {
+ return 0;
+ }
+
+ for (i = 0; i < Count; i++)
+ {
+ Status = gBS->HandleProtocol(Handles[i], &gEfiDevicePathProtocolGuid, (VOID **)&DevicePath);
+ if (EFI_ERROR(Status))
+ {
+ continue;
+ }
+
+ if (DevicePath->Type == HARDWARE_DEVICE_PATH && DevicePath->SubType == HW_VENDOR_DP)
+ {
+ venPath = (VENDOR_DEVICE_PATH *)DevicePath;
+ if (CompareGuid(&venPath->Guid, &gVtoyBlockDevicePathGuid))
+ {
+ CurId = StrDecimalToUintn((CHAR16 *)(venPath + 1) + StrLen(L"ventoy_"));
+ MaxId = MAX(MaxId, CurId);
+ Find = TRUE;
+ }
+ }
+ }
+
+ FreePool(Handles);
+
+ return Find ? (MaxId + 1) : 0;
+}
EFI_STATUS EFIAPI ventoy_fill_device_path(VOID)
{
+ UINTN CurVtoyDpId = 0;
UINTN NameLen = 0;
UINT8 TmpBuf[128] = {0};
VENDOR_DEVICE_PATH *venPath = NULL;
+ CHAR16 VtoyDpName[32];
+
+ CurVtoyDpId = ventoy_get_current_device_path_id();
+ UnicodeSPrintAsciiFormat(VtoyDpName, sizeof(VtoyDpName), "ventoy_%03lu", CurVtoyDpId);
venPath = (VENDOR_DEVICE_PATH *)TmpBuf;
- NameLen = StrSize(VTOY_BLOCK_DEVICE_PATH_NAME);
+ NameLen = StrSize(VtoyDpName);
venPath->Header.Type = HARDWARE_DEVICE_PATH;
venPath->Header.SubType = HW_VENDOR_DP;
venPath->Header.Length[0] = sizeof(VENDOR_DEVICE_PATH) + NameLen;
venPath->Header.Length[1] = 0;
CopyMem(&venPath->Guid, &gVtoyBlockDevicePathGuid, sizeof(EFI_GUID));
- CopyMem(venPath + 1, VTOY_BLOCK_DEVICE_PATH_NAME, NameLen);
+ CopyMem(venPath + 1, VtoyDpName, NameLen);
gBlockData.Path = AppendDevicePathNode(NULL, (EFI_DEVICE_PATH_PROTOCOL *)TmpBuf);
gBlockData.DevicePathCompareLen = sizeof(VENDOR_DEVICE_PATH) + NameLen;
- debug("gBlockData.Path=<%s>\n", ConvertDevicePathToText(gBlockData.Path, FALSE, FALSE));
+ debug("gBlockData.Path=<%lu><%s>\n", CurVtoyDpId, ConvertDevicePathToText(gBlockData.Path, FALSE, FALSE));
return EFI_SUCCESS;
}
continue;
}
- Status = Name2Protocol->GetDriverName(Name2Protocol, "en", &DriverName);
- if (EFI_ERROR(Status) || NULL == DriverName)
- {
- continue;
- }
+ VENTOY_GET_COMPONENT_NAME(Name2Protocol, DriverName);
if (StrStr(DriverName, DrvName))
{
if (i < Count)
{
Status = gBS->ConnectController(ControllerHandle, DrvHandles, NULL, TRUE);
- debug("Connect partition driver:<%r>", Status);
+ debug("ventoy_connect_driver:<%s> <%r>", DrvName, Status);
goto end;
}
continue;
}
- Status = NameProtocol->GetDriverName(NameProtocol, "en", &DriverName);
- if (EFI_ERROR(Status))
- {
- continue;
- }
+ VENTOY_GET_COMPONENT_NAME(NameProtocol, DriverName);
if (StrStr(DriverName, DrvName))
{
if (i < Count)
{
Status = gBS->ConnectController(ControllerHandle, DrvHandles, NULL, TRUE);
- debug("Connect partition driver:<%r>", Status);
+ debug("ventoy_connect_driver:<%s> <%r>", DrvName, Status);
goto end;
}
return Status;
}
+
+STATIC BOOLEAN ventoy_filesystem_need_wrapper(IN CONST CHAR16 *DrvName)
+{
+ UINTN i;
+ CHAR16 UpperDrvName[256];
+
+ StrCpyS(UpperDrvName, 256, DrvName);
+
+ for (i = 0; i < 256 && UpperDrvName[i]; i++)
+ {
+ if (UpperDrvName[i] >= 'a' && UpperDrvName[i] <= 'z')
+ {
+ UpperDrvName[i] = 'A' + (UpperDrvName[i] - 'a');
+ }
+ }
+
+ /*
+ * suppress some file system drivers
+ * 1. rEFInd File System Driver
+ *
+ */
+
+ if (StrStr(UpperDrvName, L"REFIND") && StrStr(UpperDrvName, L"FILE SYSTEM"))
+ {
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+STATIC VOID ventoy_add_filesystem_wrapper
+(
+ IN EFI_DRIVER_BINDING_PROTOCOL *DriverBindProtocol,
+ IN CONST CHAR16 *DriverName
+)
+{
+ UINTN j;
+
+ if (g_DriverBindWrapperCnt >= MAX_DRIVER_BIND_WRAPPER)
+ {
+ debug("driver binding wrapper overflow %lu", g_DriverBindWrapperCnt);
+ return;
+ }
+
+ if (!ventoy_filesystem_need_wrapper(DriverName))
+ {
+ return;
+ }
+
+ for (j = 0; j < g_DriverBindWrapperCnt; j++)
+ {
+ if (g_DriverBindWrapperList[j].DriverBinding == DriverBindProtocol)
+ {
+ debug("Duplicate driverbinding <%s> %p %lu %lu", DriverName, DriverBindProtocol, j, g_DriverBindWrapperCnt);
+ break;
+ }
+ }
+
+ if (j >= g_DriverBindWrapperCnt)
+ {
+ g_DriverBindWrapperList[g_DriverBindWrapperCnt].DriverBinding = DriverBindProtocol;
+ g_DriverBindWrapperList[g_DriverBindWrapperCnt].pfOldSupport = DriverBindProtocol->Supported;
+ g_DriverBindWrapperCnt++;
+ debug("Add driverbinding <%s> %p %lu", DriverName, DriverBindProtocol, g_DriverBindWrapperCnt);
+ }
+}
+
+STATIC EFI_STATUS ventoy_find_filesystem_driverbind(VOID)
+{
+ UINTN i = 0;
+ UINTN Count = 0;
+ CHAR16 *DriverName = NULL;
+ EFI_HANDLE *Handles = NULL;
+ EFI_STATUS Status = EFI_SUCCESS;
+ EFI_COMPONENT_NAME_PROTOCOL *NameProtocol = NULL;
+ EFI_COMPONENT_NAME2_PROTOCOL *Name2Protocol = NULL;
+ EFI_DRIVER_BINDING_PROTOCOL *DriverBindProtocol = NULL;
+
+ debug("ventoy_find_filesystem_driverbind...");
+
+ Status = gBS->LocateHandleBuffer(ByProtocol, &gEfiComponentName2ProtocolGuid,
+ NULL, &Count, &Handles);
+ if (EFI_ERROR(Status))
+ {
+ return Status;
+ }
+
+ for (i = 0; i < Count; i++)
+ {
+ Status = gBS->HandleProtocol(Handles[i], &gEfiComponentName2ProtocolGuid, (VOID **)&Name2Protocol);
+ if (EFI_ERROR(Status))
+ {
+ continue;
+ }
+
+ VENTOY_GET_COMPONENT_NAME(Name2Protocol, DriverName);
+
+ Status = gBS->HandleProtocol(Handles[i], &gEfiDriverBindingProtocolGuid, (VOID **)&DriverBindProtocol);
+ if (EFI_ERROR(Status))
+ {
+ debug("### 2 No DriverBind <%s> <%r>", DriverName, Status);
+ continue;
+ }
+
+ ventoy_add_filesystem_wrapper(DriverBindProtocol, DriverName);
+ }
+
+ Count = 0;
+ FreePool(Handles);
+ Handles = NULL;
+
+ Status = gBS->LocateHandleBuffer(ByProtocol, &gEfiComponentNameProtocolGuid,
+ NULL, &Count, &Handles);
+ if (EFI_ERROR(Status))
+ {
+ return Status;
+ }
+
+ for (i = 0; i < Count; i++)
+ {
+ Status = gBS->HandleProtocol(Handles[i], &gEfiComponentNameProtocolGuid, (VOID **)&NameProtocol);
+ if (EFI_ERROR(Status))
+ {
+ debug();
+ continue;
+ }
+
+ VENTOY_GET_COMPONENT_NAME(NameProtocol, DriverName);
+
+ Status = gBS->HandleProtocol(Handles[i], &gEfiDriverBindingProtocolGuid, (VOID **)&DriverBindProtocol);
+ if (EFI_ERROR(Status))
+ {
+ debug("### 1 No DriverBind <%s> <%r>", DriverName, Status);
+ continue;
+ }
+
+ ventoy_add_filesystem_wrapper(DriverBindProtocol, DriverName);
+ }
+
+ FreePool(Handles);
+
+ return EFI_SUCCESS;
+}
+
+STATIC EFI_STATUS EFIAPI ventoy_wrapper_driver_bind_support
+(
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
+)
+{
+ UINTN i;
+ EFI_STATUS Status = EFI_SUCCESS;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath = NULL;
+ EFI_DRIVER_BINDING_SUPPORTED pfOldSupport = NULL;
+
+ for (i = 0; i < g_DriverBindWrapperCnt; i++)
+ {
+ if (g_DriverBindWrapperList[i].DriverBinding == This)
+ {
+ pfOldSupport = g_DriverBindWrapperList[i].pfOldSupport;
+ break;
+ }
+ }
+
+ debug("ventoy_wrapper_driver_bind_support %lu %p", i, pfOldSupport);
+
+ if (!pfOldSupport)
+ {
+ return EFI_UNSUPPORTED;
+ }
+
+ Status = gBS->HandleProtocol(ControllerHandle, &gEfiDevicePathProtocolGuid, (VOID **)&DevicePath);
+ if (EFI_ERROR(Status))
+ {
+ goto out;
+ }
+
+ if (0 == CompareMem(gBlockData.Path, DevicePath, gBlockData.DevicePathCompareLen))
+ {
+ debug("return EFI_UNSUPPORTED for ventoy");
+ return EFI_UNSUPPORTED;
+ }
+
+out:
+ return pfOldSupport(This, ControllerHandle, RemainingDevicePath);
+}
+
+EFI_STATUS ventoy_disable_ex_filesystem(VOID)
+{
+ UINTN i;
+
+ ventoy_find_filesystem_driverbind();
+
+ for (i = 0; i < g_DriverBindWrapperCnt; i++)
+ {
+ g_DriverBindWrapperList[i].DriverBinding->Supported = ventoy_wrapper_driver_bind_support;
+ }
+
+ debug("Wrapper Ex Driver Binding %lu", g_DriverBindWrapperCnt);
+ ventoy_debug_pause();
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS ventoy_enable_ex_filesystem(VOID)
+{
+ UINTN i;
+
+ for (i = 0; i < g_DriverBindWrapperCnt; i++)
+ {
+ g_DriverBindWrapperList[i].DriverBinding->Supported = g_DriverBindWrapperList[i].pfOldSupport;
+ }
+ g_DriverBindWrapperCnt = 0;
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS EFIAPI ventoy_block_io_read_512
+(
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN UINT32 MediaId,
+ IN EFI_LBA Lba,
+ IN UINTN BufferSize,
+ OUT VOID *Buffer
+)
+{
+ EFI_LBA Mod;
+ UINTN ReadSize;
+ UINT8 *CurBuf = NULL;
+ EFI_STATUS Status = EFI_SUCCESS;
+
+ debug("ventoy_block_io_read_512 %lu %lu Buffer:%p\n", Lba, BufferSize / 512, Buffer);
+
+ CurBuf = (UINT8 *)Buffer;
+
+ Mod = Lba % 4;
+ if (Mod > 0)
+ {
+ Status |= g_sector_2048_read(This, MediaId, Lba / 4, 2048, g_sector_buf);
+
+ if (BufferSize <= (4 - Mod) * 512)
+ {
+ CopyMem(CurBuf, g_sector_buf + Mod * 512, BufferSize);
+ return EFI_SUCCESS;
+ }
+ else
+ {
+ ReadSize = (4 - Mod) * 512;
+ CopyMem(CurBuf, g_sector_buf + Mod * 512, ReadSize);
+ CurBuf += ReadSize;
+ Lba += (4 - Mod);
+ BufferSize -= ReadSize;
+ }
+ }
+
+ if (BufferSize >= 2048)
+ {
+ ReadSize = BufferSize / 2048 * 2048;
+
+ Status |= g_sector_2048_read(This, MediaId, Lba / 4, ReadSize, CurBuf);
+ CurBuf += ReadSize;
+
+ Lba += ReadSize / 512;
+ BufferSize -= ReadSize;
+ }
+
+ if (BufferSize > 0)
+ {
+ Status |= g_sector_2048_read(This, MediaId, Lba / 4, 2048, g_sector_buf);
+ CopyMem(CurBuf, g_sector_buf, BufferSize);
+ }
+
+ return Status;
+}
+
+EFI_STATUS EFIAPI ventoy_block_io_write_512
+(
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN UINT32 MediaId,
+ IN EFI_LBA Lba,
+ IN UINTN BufferSize,
+ IN VOID *Buffer
+)
+{
+ EFI_LBA Mod;
+ UINTN ReadSize;
+ UINT8 *CurBuf = NULL;
+ EFI_STATUS Status = EFI_SUCCESS;
+
+ debug("ventoy_block_io_write_512 %lu %lu\n", Lba, BufferSize / 512);
+
+ CurBuf = (UINT8 *)Buffer;
+
+ Mod = Lba % 4;
+ if (Mod > 0)
+ {
+ Status |= g_sector_2048_read(This, MediaId, Lba / 4, 2048, g_sector_buf);
+
+ if (BufferSize <= (4 - Mod) * 512)
+ {
+ CopyMem(g_sector_buf + Mod * 512, CurBuf, BufferSize);
+ return g_sector_2048_write(This, MediaId, Lba / 4, 2048, g_sector_buf);
+ }
+ else
+ {
+ ReadSize = (4 - Mod) * 512;
+ CopyMem(g_sector_buf + Mod * 512, CurBuf, ReadSize);
+ g_sector_2048_write(This, MediaId, Lba / 4, 2048, g_sector_buf);
+
+ CurBuf += ReadSize;
+ Lba += (4 - Mod);
+ BufferSize -= ReadSize;
+ }
+ }
+
+ if (BufferSize >= 2048)
+ {
+ ReadSize = BufferSize / 2048 * 2048;
+
+ Status |= g_sector_2048_write(This, MediaId, Lba / 4, ReadSize, CurBuf);
+ CurBuf += ReadSize;
+
+ Lba += ReadSize / 512;
+ BufferSize -= ReadSize;
+ }
+
+ if (BufferSize > 0)
+ {
+ Status |= g_sector_2048_read(This, MediaId, Lba / 4, 2048, g_sector_buf);
+
+ CopyMem(g_sector_buf, CurBuf, BufferSize);
+ g_sector_2048_write(This, MediaId, Lba / 4, 2048, g_sector_buf);
+ }
+
+ return Status;
+}
+
EFI_STATUS EFIAPI ventoy_install_blockio(IN EFI_HANDLE ImageHandle, IN UINT64 ImgSize)
{
EFI_STATUS Status = EFI_SUCCESS;
EFI_BLOCK_IO_PROTOCOL *pBlockIo = &(gBlockData.BlockIo);
ventoy_fill_device_path();
+
+ debug("install block io protocol %p", ImageHandle);
+ ventoy_debug_pause();
+
+ if (gSector512Mode)
+ {
+ gBlockData.Media.BlockSize = 512;
+ gBlockData.Media.LastBlock = ImgSize / 512 - 1;
+ }
+ else
+ {
+ gBlockData.Media.BlockSize = 2048;
+ gBlockData.Media.LastBlock = ImgSize / 2048 - 1;
+ }
- gBlockData.Media.BlockSize = 2048;
- gBlockData.Media.LastBlock = ImgSize / 2048 - 1;
gBlockData.Media.ReadOnly = TRUE;
gBlockData.Media.MediaPresent = 1;
gBlockData.Media.LogicalBlocksPerPhysicalBlock = 1;
pBlockIo->Revision = EFI_BLOCK_IO_PROTOCOL_REVISION3;
pBlockIo->Media = &(gBlockData.Media);
pBlockIo->Reset = ventoy_block_io_reset;
- pBlockIo->ReadBlocks = gMemdiskMode ? ventoy_block_io_ramdisk_read : ventoy_block_io_read;
- pBlockIo->WriteBlocks = ventoy_block_io_write;
+
+ if (gSector512Mode)
+ {
+ g_sector_2048_read = gMemdiskMode ? ventoy_block_io_ramdisk_read : ventoy_block_io_read;
+ g_sector_2048_write = gMemdiskMode ? ventoy_block_io_ramdisk_write : ventoy_block_io_write;
+ pBlockIo->ReadBlocks = ventoy_block_io_read_512;
+ pBlockIo->WriteBlocks = ventoy_block_io_write_512;
+ }
+ else
+ {
+ pBlockIo->ReadBlocks = gMemdiskMode ? ventoy_block_io_ramdisk_read : ventoy_block_io_read;
+ pBlockIo->WriteBlocks = ventoy_block_io_write;
+ }
+
pBlockIo->FlushBlocks = ventoy_block_io_flush;
Status = gBS->InstallMultipleProtocolInterfaces(&gBlockData.Handle,
{
return Status;
}
-
+
Status = ventoy_connect_driver(gBlockData.Handle, L"Disk I/O Driver");
debug("Connect disk IO driver %r", Status);
- ventoy_debug_pause();
-
+
Status = ventoy_connect_driver(gBlockData.Handle, L"Partition Driver");
debug("Connect partition driver %r", Status);
if (EFI_ERROR(Status))
ventoy_wrapper_file_set_pos(EFI_FILE_HANDLE This, UINT64 Position)
{
(VOID)This;
+
+ if (Position <= g_efi_file_replace.FileSizeBytes)
+ {
+ g_efi_file_replace.CurPos = Position;
+ }
+ else
+ {
+ g_efi_file_replace.CurPos = g_efi_file_replace.FileSizeBytes;
+ }
- g_efi_file_replace.CurPos = Position;
return EFI_SUCCESS;
}
CHAR8 TmpName[256];
ventoy_virt_chunk *virt = NULL;
+ debug("## ventoy_wrapper_file_open <%s> ", Name);
+
+ if ((Mode & EFI_FILE_MODE_WRITE) > 0 && StrCmp(Name, L"\\loader\\random-seed") == 0)
+ {
+ if (gDebugPrint)
+ {
+ debug("## ventoy_wrapper_file_open return NOT_FOUND for random-seed %lx", Mode);
+ sleep(3);
+ }
+ return EFI_NOT_FOUND;
+ }
+
Status = g_original_fopen(This, New, Name, Mode, Attributes);
if (EFI_ERROR(Status))
{
return Status;
}
}
+
+ if (StrCmp(Name, L"\\EFI\\BOOT") == 0)
+ {
+ (*New)->Open = ventoy_wrapper_file_open;
+ }
}
return Status;
return EFI_SUCCESS;
}
+#if 0
+/* Fixup the 1st cdrom influnce for Windows boot */
+#endif
+
+STATIC EFI_STATUS EFIAPI ventoy_wrapper_locate_handle
+(
+ IN EFI_LOCATE_SEARCH_TYPE SearchType,
+ IN EFI_GUID *Protocol, OPTIONAL
+ IN VOID *SearchKey, OPTIONAL
+ IN OUT UINTN *BufferSize,
+ OUT EFI_HANDLE *Buffer
+)
+{
+ UINTN i;
+ EFI_HANDLE Handle = NULL;
+ EFI_STATUS Status = EFI_SUCCESS;
+
+ Status = g_org_locate_handle(SearchType, Protocol, SearchKey, BufferSize, Buffer);
+
+ if (EFI_SUCCESS == Status && Protocol && CompareGuid(&gEfiBlockIoProtocolGuid, Protocol))
+ {
+ for (i = 0; i < (*BufferSize) / sizeof(EFI_HANDLE); i++)
+ {
+ if (Buffer[i] == gBlockData.Handle)
+ {
+ Handle = Buffer[0];
+ Buffer[0] = Buffer[i];
+ Buffer[i] = Handle;
+ break;
+ }
+ }
+ }
+
+ return Status;
+}
+
+EFI_STATUS ventoy_hook_1st_cdrom_start(VOID)
+{
+ g_org_locate_handle = gBS->LocateHandle;
+ gBS->LocateHandle = ventoy_wrapper_locate_handle;
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS ventoy_hook_1st_cdrom_stop(VOID)
+{
+ gBS->LocateHandle = g_org_locate_handle;
+ g_org_locate_handle = NULL;
+
+ return EFI_SUCCESS;
+}
+
projects / Ventoy.git / blobdiff