diff options
| -rw-r--r-- | fallback.c | 42 |
1 files changed, 41 insertions, 1 deletions
@@ -114,6 +114,10 @@ make_full_path(CHAR16 *dirname, CHAR16 *filename, CHAR16 **out, UINT64 *outlen) CHAR16 *bootorder = NULL; int nbootorder = 0; +EFI_DEVICE_PATH *first_new_option = NULL; +VOID *first_new_option_args = NULL; +UINTN first_new_option_size = 0; + EFI_STATUS add_boot_option(EFI_DEVICE_PATH *dp, CHAR16 *filename, CHAR16 *label, CHAR16 *arguments) { @@ -284,6 +288,13 @@ add_to_boot_list(EFI_FILE_HANDLE fh, CHAR16 *dirname, CHAR16 *filename, CHAR16 * CHAR16 *dps = DevicePathToStr(dp); Print(L"device path: \"%s\"\n", dps); #endif + if (!first_new_option) { + CHAR16 *dps = DevicePathToStr(dp); + Print(L"device path: \"%s\"\n", dps); + first_new_option = DuplicateDevicePath(dp); + first_new_option_args = arguments; + first_new_option_size = StrLen(arguments) * sizeof (CHAR16); + } add_boot_option(dp, fullpath, label, arguments); @@ -596,6 +607,33 @@ find_boot_options(EFI_HANDLE device) uefi_call_wrapper(fh->Close, 1, fh); return rc; } + +static EFI_STATUS +try_start_first_option(EFI_HANDLE parent_image_handle) +{ + EFI_STATUS rc; + EFI_HANDLE image_handle; + + if (!first_new_option) { + return EFI_SUCCESS; + } + + rc = uefi_call_wrapper(BS->LoadImage, 6, 0, parent_image_handle, + first_new_option, NULL, 0, + &image_handle); + if (EFI_ERROR(rc)) { + Print(L"LoadImage failed: %d\n", rc); + uefi_call_wrapper(BS->Stall, 1, 2000000); + return rc; + } + rc = uefi_call_wrapper(BS->StartImage, 3, image_handle, NULL, NULL); + if (EFI_ERROR(rc)) { + Print(L"StartImage failed: %d\n", rc); + uefi_call_wrapper(BS->Stall, 1, 2000000); + } + return rc; +} + EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *systab) { @@ -617,8 +655,10 @@ efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *systab) return rc; } + try_start_first_option(image); + Print(L"Reset System\n"); - uefi_call_wrapper(RT->ResetSystem, 4, EfiResetWarm, + uefi_call_wrapper(RT->ResetSystem, 4, EfiResetCold, EFI_SUCCESS, 0, NULL); return EFI_SUCCESS; |