ventoy_grub_param_file_replace *g_file_replace_list = NULL;
ventoy_efi_file_replace g_efi_file_replace;
+ventoy_grub_param_file_replace *g_img_replace_list = NULL;
+ventoy_efi_file_replace g_img_file_replace[VTOY_MAX_CONF_REPLACE];
+
CONST CHAR16 gIso9660EfiDriverPath[] = ISO9660_EFI_DRIVER_PATH;
CONST CHAR16 gUdfEfiDriverPath[] = UDF_EFI_DRIVER_PATH;
CHAR16 gFirstTryBootFile[256] = {0};
+STATIC EFI_GET_VARIABLE g_org_get_variable = NULL;
+STATIC EFI_EXIT_BOOT_SERVICES g_org_exit_boot_service = NULL;
+
/* Boot filename */
UINTN gBootFileStartIndex = 1;
CONST CHAR16 *gEfiBootFileName[] =
debug("os_param->vtoy_img_size=<%llu>", chain->os_param.vtoy_img_size);
debug("os_param->vtoy_img_location_addr=<0x%llx>", chain->os_param.vtoy_img_location_addr);
debug("os_param->vtoy_img_location_len=<%u>", chain->os_param.vtoy_img_location_len);
- debug("os_param->vtoy_reserved=<%u %u %u %u %u>",
+ debug("os_param->vtoy_reserved=<%u %u %u %u %u %u %u>",
g_os_param_reserved[0],
g_os_param_reserved[1],
g_os_param_reserved[2],
g_os_param_reserved[3],
- g_os_param_reserved[4]
+ g_os_param_reserved[4],
+ g_os_param_reserved[5],
+ g_os_param_reserved[6]
);
ventoy_debug_pause();
return Handle;
}
+STATIC ventoy_ram_disk g_backup_ramdisk_param;
+STATIC ventoy_os_param g_backup_os_param_var;
+
+
EFI_STATUS EFIAPI ventoy_save_ramdisk_param(VOID)
{
+ UINTN DataSize;
EFI_STATUS Status = EFI_SUCCESS;
EFI_GUID VarGuid = VENTOY_GUID;
+
+ DataSize = sizeof(g_backup_ramdisk_param);
+ Status = gRT->GetVariable(L"VentoyRamDisk", &VarGuid, NULL, &DataSize, &g_backup_ramdisk_param);
+ if (!EFI_ERROR(Status))
+ {
+ debug("find previous ramdisk variable <%llu>", g_backup_ramdisk_param.DiskSize);
+ }
Status = gRT->SetVariable(L"VentoyRamDisk", &VarGuid,
EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
{
EFI_STATUS Status = EFI_SUCCESS;
EFI_GUID VarGuid = VENTOY_GUID;
-
- Status = gRT->SetVariable(L"VentoyRamDisk", &VarGuid,
+
+ if (g_backup_ramdisk_param.DiskSize > 0 && g_backup_ramdisk_param.PhyAddr > 0)
+ {
+ Status = gRT->SetVariable(L"VentoyRamDisk", &VarGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+ sizeof(g_backup_ramdisk_param), &g_backup_ramdisk_param);
+ debug("resotre ramdisk variable %r", Status);
+ }
+ else
+ {
+ Status = gRT->SetVariable(L"VentoyRamDisk", &VarGuid,
EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
0, NULL);
- debug("delete efi variable %r", Status);
+ debug("delete ramdisk variable %r", Status);
+ }
return Status;
}
-
EFI_STATUS EFIAPI ventoy_save_variable(VOID)
{
+ UINTN DataSize;
EFI_STATUS Status = EFI_SUCCESS;
EFI_GUID VarGuid = VENTOY_GUID;
-
+
+ DataSize = sizeof(g_backup_os_param_var);
+ Status = gRT->GetVariable(L"VentoyOsParam", &VarGuid, NULL, &DataSize, &g_backup_os_param_var);
+ if (!EFI_ERROR(Status))
+ {
+ debug("find previous efi variable <%a>", g_backup_os_param_var.vtoy_img_path);
+ }
+
Status = gRT->SetVariable(L"VentoyOsParam", &VarGuid,
EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
sizeof(g_chain->os_param), &(g_chain->os_param));
{
EFI_STATUS Status = EFI_SUCCESS;
EFI_GUID VarGuid = VENTOY_GUID;
-
- Status = gRT->SetVariable(L"VentoyOsParam", &VarGuid,
+
+ if (0 == CompareMem(&(g_backup_os_param_var.guid), &VarGuid, sizeof(EFI_GUID)))
+ {
+ Status = gRT->SetVariable(L"VentoyOsParam", &VarGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+ sizeof(g_backup_os_param_var), &(g_backup_os_param_var));
+ debug("restore efi variable %r", Status);
+ }
+ else
+ {
+ Status = gRT->SetVariable(L"VentoyOsParam", &VarGuid,
EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
0, NULL);
- debug("delete efi variable %r", Status);
+ debug("delete efi variable %r", Status);
+ }
return Status;
}
continue;
}
- if (CompareMem(g_chain->os_param.vtoy_disk_guid, pBuffer + 0x180, 16) == 0)
+ if (CompareMem(g_chain->os_param.vtoy_disk_guid, pBuffer + 0x180, 16) == 0 &&
+ CompareMem(g_chain->os_param.vtoy_disk_signature, pBuffer + 0x1b8, 4) == 0)
{
pMBR = (MBR_HEAD *)pBuffer;
- if (pMBR->PartTbl[0].FsFlag != 0xEE)
+ if (g_os_param_reserved[6] == 0 && pMBR->PartTbl[0].FsFlag != 0xEE)
{
if (pMBR->PartTbl[0].StartSectorId != 2048 ||
pMBR->PartTbl[1].SectorCount != 65536 ||
Handles[i],
EFI_OPEN_PROTOCOL_GET_PROTOCOL);
- debug("Find Ventoy Disk Handle:%p DP:%s", Handles[i],
+ debug("Find Ventoy Disk Sig Handle:%p DP:%s", Handles[i],
ConvertDevicePathToText(gBlockData.pDiskDevPath, FALSE, FALSE));
break;
}
return EFI_SUCCESS;
}
+STATIC EFI_STATUS ventoy_proc_img_replace_name(ventoy_grub_param_file_replace *replace)
+{
+ UINT32 i;
+ char tmp[256];
+
+ if (replace->magic != GRUB_IMG_REPLACE_MAGIC)
+ {
+ return EFI_SUCCESS;
+ }
+
+ if (replace->old_file_name[0][0] == 0)
+ {
+ return EFI_SUCCESS;
+ }
+
+ AsciiStrCpyS(tmp, sizeof(tmp), replace->old_file_name[0]);
+
+ for (i = 0; i < 256 && tmp[i]; i++)
+ {
+ if (tmp[i] == '/')
+ {
+ tmp[i] = '\\';
+ }
+ }
+
+ AsciiStrCpyS(replace->old_file_name[0], 256, tmp);
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS EFIAPI ventoy_get_variable_wrapper
+(
+ IN CHAR16 *VariableName,
+ IN EFI_GUID *VendorGuid,
+ OUT UINT32 *Attributes, OPTIONAL
+ IN OUT UINTN *DataSize,
+ OUT VOID *Data OPTIONAL
+)
+{
+ EFI_STATUS Status = EFI_SUCCESS;
+
+ Status = g_org_get_variable(VariableName, VendorGuid, Attributes, DataSize, Data);
+ if (StrCmp(VariableName, L"SecureBoot") == 0)
+ {
+ if ((*DataSize == 1) && Data)
+ {
+ *(UINT8 *)Data = 0;
+ }
+ }
+
+ return Status;
+}
+
+EFI_STATUS EFIAPI ventoy_exit_boot_service_wrapper
+(
+ IN EFI_HANDLE ImageHandle,
+ IN UINTN MapKey
+)
+{
+ if (g_org_get_variable)
+ {
+ gRT->GetVariable = g_org_get_variable;
+ g_org_get_variable = NULL;
+ }
+
+ return g_org_exit_boot_service(ImageHandle, MapKey);
+}
+
+STATIC EFI_STATUS EFIAPI ventoy_disable_secure_boot(IN EFI_HANDLE ImageHandle)
+{
+ UINT8 Value = 0;
+ UINTN DataSize = 1;
+ EFI_STATUS Status = EFI_SUCCESS;
+
+ Status = gRT->GetVariable(L"SecureBoot", &gEfiGlobalVariableGuid, NULL, &DataSize, &Value);
+ if (!EFI_ERROR(Status))
+ {
+ if (DataSize == 1 && Value == 0)
+ {
+ debug("Current secure boot is off, no need to disable");
+ return EFI_SUCCESS;
+ }
+ }
+
+ debug("ventoy_disable_secure_boot");
+
+ /* step1: wrapper security protocol. */
+ /* Do we still need it since we have been loaded ? */
+
+
+ /* step2: fake SecureBoot variable */
+ g_org_exit_boot_service = gBS->ExitBootServices;
+ gBS->ExitBootServices = ventoy_exit_boot_service_wrapper;
+
+ g_org_get_variable = gRT->GetVariable;
+ gRT->GetVariable = ventoy_get_variable_wrapper;
+
+ return EFI_SUCCESS;
+}
+
+
STATIC EFI_STATUS EFIAPI ventoy_parse_cmdline(IN EFI_HANDLE ImageHandle)
{
UINT32 i = 0;
ventoy_grub_param *pGrubParam = NULL;
EFI_LOADED_IMAGE_PROTOCOL *pImageInfo = NULL;
ventoy_chain_head *chain = NULL;
+ ventoy_grub_param_file_replace *replace = NULL;
Status = gBS->HandleProtocol(ImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **)&pImageInfo);
if (EFI_ERROR(Status))
old_cnt > 3 ? g_file_replace_list->old_file_name[3] : ""
);
+
+ for (i = 0; i < VTOY_MAX_CONF_REPLACE; i++)
+ {
+ replace = pGrubParam->img_replace + i;
+ if (replace->magic == GRUB_IMG_REPLACE_MAGIC)
+ {
+ ventoy_proc_img_replace_name(replace);
+ old_cnt = replace->old_file_cnt;
+ debug("img replace[%d]: magic:0x%x virtid:%u name count:%u <%a> <%a> <%a> <%a>",
+ i, replace->magic,
+ replace->new_file_virtual_id,
+ old_cnt,
+ old_cnt > 0 ? replace->old_file_name[0] : "",
+ old_cnt > 1 ? replace->old_file_name[1] : "",
+ old_cnt > 2 ? replace->old_file_name[2] : "",
+ old_cnt > 3 ? replace->old_file_name[3] : ""
+ );
+ g_img_replace_list = pGrubParam->img_replace;
+ }
+ }
+
+
pPos = StrStr(pCmdLine, L"mem:");
chain = (ventoy_chain_head *)StrHexToUintn(pPos + 4);
debug("memdisk mode iso_buf_size:%u", g_iso_buf_size);
g_chain = chain;
+ g_os_param_reserved = (UINT8 *)(g_chain->os_param.vtoy_reserved);
gMemdiskMode = TRUE;
}
else
{
g_hook_keyboard = TRUE;
}
+
+ if (g_os_param_reserved[5] == 1 && g_os_param_reserved[2] == ventoy_chain_linux)
+ {
+ ventoy_disable_secure_boot(ImageHandle);
+ }
debug("internal param: secover:%u keyboard:%u", g_fixup_iso9660_secover_enable, g_hook_keyboard);
gST->ConIn->Reset(gST->ConIn, FALSE);
}
- if (g_file_replace_list && g_file_replace_list->magic == GRUB_FILE_REPLACE_MAGIC)
+ if ((g_file_replace_list && g_file_replace_list->magic == GRUB_FILE_REPLACE_MAGIC) || g_img_replace_list)
{
ventoy_wrapper_push_openvolume(pFile->OpenVolume);
pFile->OpenVolume = ventoy_wrapper_open_volume;
projects / Ventoy.git / blobdiff