#include <Guid/FileInfo.h>
#include <Guid/FileSystemInfo.h>
#include <Protocol/BlockIo.h>
+#include <Protocol/RamDisk.h>
#include <Protocol/SimpleFileSystem.h>
#include <Ventoy.h>
+UINTN g_iso_buf_size = 0;
+BOOLEAN gMemdiskMode = FALSE;
BOOLEAN gDebugPrint = FALSE;
BOOLEAN gLoadIsoEfi = FALSE;
+ventoy_ram_disk g_ramdisk_param;
ventoy_chain_head *g_chain;
ventoy_img_chunk *g_chunk;
UINT32 g_img_chunk_num;
return EFI_SUCCESS;
}
+EFI_STATUS EFIAPI ventoy_block_io_ramdisk_read
+(
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN UINT32 MediaId,
+ IN EFI_LBA Lba,
+ IN UINTN BufferSize,
+ OUT VOID *Buffer
+)
+{
+ //debug("### ventoy_block_io_ramdisk_read sector:%u count:%u", (UINT32)Lba, (UINT32)BufferSize / 2048);
+
+ (VOID)This;
+ (VOID)MediaId;
+
+ CopyMem(Buffer, (char *)g_chain + (Lba * 2048), BufferSize);
+
+ return EFI_SUCCESS;
+}
+
EFI_STATUS EFIAPI ventoy_block_io_read
(
IN EFI_BLOCK_IO_PROTOCOL *This,
return EFI_SUCCESS;
}
+EFI_STATUS EFIAPI ventoy_save_ramdisk_param(VOID)
+{
+ EFI_STATUS Status = EFI_SUCCESS;
+ EFI_GUID VarGuid = VENTOY_GUID;
+
+ Status = gRT->SetVariable(L"VentoyRamDisk", &VarGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+ sizeof(g_ramdisk_param), &(g_ramdisk_param));
+ debug("set efi variable %r", Status);
+
+ return Status;
+}
+
+EFI_STATUS EFIAPI ventoy_del_ramdisk_param(VOID)
+{
+ EFI_STATUS Status = EFI_SUCCESS;
+ EFI_GUID VarGuid = VENTOY_GUID;
+
+ Status = gRT->SetVariable(L"VentoyRamDisk", &VarGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+ 0, NULL);
+ debug("delete efi variable %r", Status);
+
+ return Status;
+}
+
+
EFI_STATUS EFIAPI ventoy_set_variable(VOID)
{
EFI_STATUS Status = EFI_SUCCESS;
}
-EFI_STATUS EFIAPI ventoy_install_blockio(IN EFI_HANDLE ImageHandle)
+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();
gBlockData.Media.BlockSize = 2048;
- gBlockData.Media.LastBlock = g_chain->virt_img_size_in_bytes / 2048 - 1;
+ 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 = ventoy_block_io_read;
+
+ if (gMemdiskMode)
+ {
+ pBlockIo->ReadBlocks = ventoy_block_io_ramdisk_read;
+ }
+ else
+ {
+ pBlockIo->ReadBlocks = ventoy_block_io_read;
+ }
+
pBlockIo->WriteBlocks = ventoy_block_io_write;
pBlockIo->FlushBlocks = ventoy_block_io_flush;
STATIC EFI_STATUS EFIAPI ventoy_parse_cmdline(IN EFI_HANDLE ImageHandle)
{
UINT32 i = 0;
+ UINTN size = 0;
UINT8 chksum = 0;
CHAR16 *pPos = NULL;
CHAR16 *pCmdLine = NULL;
pGrubParam = (ventoy_grub_param *)StrHexToUintn(pPos + StrLen(L"env_param="));
grub_env_get = pGrubParam->grub_env_get;
-
pPos = StrStr(pCmdLine, L"mem:");
g_chain = (ventoy_chain_head *)StrHexToUintn(pPos + 4);
- g_chunk = (ventoy_img_chunk *)((char *)g_chain + g_chain->img_chunk_offset);
- g_img_chunk_num = g_chain->img_chunk_num;
- g_override_chunk = (ventoy_override_chunk *)((char *)g_chain + g_chain->override_chunk_offset);
- g_override_chunk_num = g_chain->override_chunk_num;
- g_virt_chunk = (ventoy_virt_chunk *)((char *)g_chain + g_chain->virt_chunk_offset);
- g_virt_chunk_num = g_chain->virt_chunk_num;
+ pPos = StrStr(pPos, L"size:");
+ size = StrDecimalToUintn(pPos + 5);
- for (i = 0; i < sizeof(ventoy_os_param); i++)
- {
- chksum += *((UINT8 *)(&(g_chain->os_param)) + i);
- }
+ debug("memory addr:%p size:%lu", g_chain, size);
- if (gDebugPrint)
+ if (StrStr(pCmdLine, L"memdisk"))
{
- debug("os param checksum: 0x%x %a", g_chain->os_param.chksum, chksum ? "FAILED" : "SUCCESS");
+ g_iso_buf_size = size;
+ gMemdiskMode = TRUE;
}
+ else
+ {
+ g_chunk = (ventoy_img_chunk *)((char *)g_chain + g_chain->img_chunk_offset);
+ g_img_chunk_num = g_chain->img_chunk_num;
+ g_override_chunk = (ventoy_override_chunk *)((char *)g_chain + g_chain->override_chunk_offset);
+ g_override_chunk_num = g_chain->override_chunk_num;
+ g_virt_chunk = (ventoy_virt_chunk *)((char *)g_chain + g_chain->virt_chunk_offset);
+ g_virt_chunk_num = g_chain->virt_chunk_num;
+
+ for (i = 0; i < sizeof(ventoy_os_param); i++)
+ {
+ chksum += *((UINT8 *)(&(g_chain->os_param)) + i);
+ }
- ventoy_update_image_location(&(g_chain->os_param));
+ if (gDebugPrint)
+ {
+ debug("os param checksum: 0x%x %a", g_chain->os_param.chksum, chksum ? "FAILED" : "SUCCESS");
+ }
- if (gDebugPrint)
- {
- ventoy_dump_chain(g_chain);
+ ventoy_update_image_location(&(g_chain->os_param));
+
+ if (gDebugPrint)
+ {
+ ventoy_dump_chain(g_chain);
+ }
}
FreePool(pCmdLine);
if (EFI_ERROR(Status))
{
debug("Failed to start image %r", Status);
+ sleep(3);
gBS->UnloadImage(Image);
break;
}
return EFI_SUCCESS;
}
-EFI_STATUS EFIAPI VentoyEfiMain
+EFI_STATUS EFIAPI ventoy_ramdisk_boot(IN EFI_HANDLE ImageHandle)
+{
+ EFI_STATUS Status = EFI_SUCCESS;
+ EFI_RAM_DISK_PROTOCOL *RamDisk = NULL;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath = NULL;
+
+ debug("RamDisk Boot ...");
+
+ Status = gBS->LocateProtocol(&gEfiRamDiskProtocolGuid, NULL, (VOID **)&RamDisk);
+ if (EFI_ERROR(Status))
+ {
+ debug("Failed to locate ramdisk protocol %r", Status);
+ return Status;
+ }
+ debug("Locate RamDisk Protocol %r ...", Status);
+
+ Status = RamDisk->Register((UINTN)g_chain, (UINT64)g_iso_buf_size, &gEfiVirtualCdGuid, NULL, &DevicePath);
+ if (EFI_ERROR(Status))
+ {
+ debug("Failed to register ramdisk %r", Status);
+ return Status;
+ }
+
+ debug("Register RamDisk %r ...", Status);
+ debug("RamDisk DevicePath:<%s> ...", ConvertDevicePathToText(DevicePath, FALSE, FALSE));
+
+ ventoy_debug_pause();
+
+ gBlockData.Path = DevicePath;
+ gBlockData.DevicePathCompareLen = GetDevicePathSize(DevicePath) - sizeof(EFI_DEVICE_PATH_PROTOCOL);
+
+ Status = ventoy_boot(ImageHandle);
+ if (EFI_NOT_FOUND == Status)
+ {
+ gST->ConOut->OutputString(gST->ConOut, L"No bootfile found for UEFI!\r\n");
+ gST->ConOut->OutputString(gST->ConOut, L"Maybe the image does not support " VENTOY_UEFI_DESC L"!\r\n");
+ sleep(300);
+ }
+
+ return EFI_SUCCESS;
+}
+EFI_STATUS EFIAPI VentoyEfiMain
(
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
ventoy_clear_input();
ventoy_parse_cmdline(ImageHandle);
- ventoy_set_variable();
- ventoy_find_iso_disk(ImageHandle);
- if (gLoadIsoEfi)
+ if (gMemdiskMode)
{
- ventoy_find_iso_disk_fs(ImageHandle);
- ventoy_load_isoefi_driver(ImageHandle);
+ g_ramdisk_param.PhyAddr = (UINT64)(UINTN)g_chain;
+ g_ramdisk_param.DiskSize = (UINT64)g_iso_buf_size;
+
+ ventoy_save_ramdisk_param();
+
+ ventoy_install_blockio(ImageHandle, g_iso_buf_size);
+ Status = ventoy_boot(ImageHandle);
+ if (EFI_NOT_FOUND == Status)
+ {
+ gST->ConOut->OutputString(gST->ConOut, L"No bootfile found for UEFI!\r\n");
+ gST->ConOut->OutputString(gST->ConOut, L"Maybe the image does not support " VENTOY_UEFI_DESC L"!\r\n");
+ sleep(300);
+ }
+
+ ventoy_del_ramdisk_param();
}
+ else
+ {
+ ventoy_set_variable();
+ ventoy_find_iso_disk(ImageHandle);
- ventoy_debug_pause();
-
- ventoy_install_blockio(ImageHandle);
+ if (gLoadIsoEfi)
+ {
+ ventoy_find_iso_disk_fs(ImageHandle);
+ ventoy_load_isoefi_driver(ImageHandle);
+ }
- ventoy_debug_pause();
+ ventoy_debug_pause();
+
+ ventoy_install_blockio(ImageHandle, g_chain->virt_img_size_in_bytes);
- Status = ventoy_boot(ImageHandle);
- if (EFI_NOT_FOUND == Status)
- {
- gST->ConOut->OutputString(gST->ConOut, L"No bootfile found for UEFI!\r\n");
- gST->ConOut->OutputString(gST->ConOut, L"Maybe the image does not support " VENTOY_UEFI_DESC L"!\r\n");
- sleep(300);
- }
+ ventoy_debug_pause();
- ventoy_clean_env();
+ Status = ventoy_boot(ImageHandle);
+ if (EFI_NOT_FOUND == Status)
+ {
+ gST->ConOut->OutputString(gST->ConOut, L"No bootfile found for UEFI!\r\n");
+ gST->ConOut->OutputString(gST->ConOut, L"Maybe the image does not support " VENTOY_UEFI_DESC L"!\r\n");
+ sleep(300);
+ }
+ ventoy_clean_env();
+ }
+
ventoy_clear_input();
gST->ConOut->ClearScreen(gST->ConOut);
-
-
return EFI_SUCCESS;
}
projects / Ventoy.git / blobdiff