2  * EFI-related functions to set up and run test cases in EFI
7  * SPDX-License-Identifier: LGPL-2.0-or-later
74 	 * Pad map_size with additional descriptors so we don't need to  in efi_get_memory_map()
78 	*map->buff_size = map_size;  in efi_get_memory_map()
92 	*map->desc_ver = desc_ver;  in efi_get_memory_map()
93 	*map->desc_size = desc_size;  in efi_get_memory_map()
94 	*map->map_size = map_size;  in efi_get_memory_map()
95 	*map->key_ptr = key;  in efi_get_memory_map()
97 	*map->map = m;  in efi_get_memory_map()
103 	return efi_bs_call(exit_boot_services, handle, *map->key_ptr);  in efi_exit_boot_services()
111 	tables = (efi_config_table_t *)efi_system_table->tables;  in efi_get_system_config_table()
112 	for (i = 0; i < efi_system_table->nr_tables; i++) {  in efi_get_system_config_table()
126 	 * Fallback to UEFI reset_system() service, in case testdev is  in efi_exit()
132 /* Adapted from drivers/firmware/efi/libstub/efi-stub.c */
137 	int options_chars = image->load_options_size;  in efi_convert_cmdline()
138 	const u16 *options = image->load_options;  in efi_convert_cmdline()
139 	int options_bytes = 0, safe_options_bytes = 0;  /* UTF-8 bytes */  in efi_convert_cmdline()
146 		while (options_bytes < COMMAND_LINE_SIZE && options_chars--) {  in efi_convert_cmdline()
162 			 * Get the number of UTF-8 bytes corresponding to a  in efi_convert_cmdline()
163 			 * UTF-16 character.  in efi_convert_cmdline()
179 					options_bytes -= 3;  in efi_convert_cmdline()
182 					options_chars--;  in efi_convert_cmdline()
189 			printf("Command line is too long: truncated to %d bytes\n",  in efi_convert_cmdline()
200 	snprintf((char *)cmdline_addr, options_bytes, "%.*ls", options_bytes - 1, options);  in efi_convert_cmdline()
209  * Open the file and read it into a buffer.
223 	status = efi_bs_call(handle_protocol, image->device_handle, &file_system_proto_guid,  in efi_load_image()
228 	status = io_if->open_volume(io_if, &root);  in efi_load_image()
233 	status = root->open(root, &file, path_name, EFI_FILE_MODE_READ, 0);  in efi_load_image()
235 		printf("Failed to open %ls - %lx\n", path_name, status);  in efi_load_image()
239 	/* Find the file size in order to allocate the buffer */  in efi_load_image()
244 	status = file->get_info(file, &file_info_guid, &buffer_size, file_info);  in efi_load_image()
249 		status = file->get_info(file, &file_info_guid, &buffer_size, file_info);  in efi_load_image()
253 	buffer_size = file_info->file_size;  in efi_load_image()
259 	/* Perform the actual read */  in efi_load_image()
260 	status = file->read(file, &buffer_size, *data);  in efi_load_image()
264 		status = file->read(file, &buffer_size, *data);  in efi_load_image()
391 	 * UEFI appends initrd=initrd to the command line when an initrd is present.  in efi_load_initrd()
392 	 * Remove it in order to avoid confusing unit tests.  in efi_load_initrd()
394 	if (!strcmp(__argv[__argc - 1], "initrd=initrd")) {  in efi_load_initrd()
395 		__argv[__argc - 1] = NULL;  in efi_load_initrd()
396 		__argc -= 1;  in efi_load_initrd()
413 	/* Helper variables needed to get the cmdline */  in efi_main()
420 	 * Get a handle to the loaded image protocol.  This is used to get  in efi_main()
426 		printf("Failed to get loaded image protocol\n");  in efi_main()
452 		printf("Failed to get boot haritd\n");  in efi_main()
461 			printf("Failed to get memory map\n");  in efi_main()
465 		 * Exit EFI boot services, let kvm-unit-tests take full  in efi_main()
474 		printf("Failed to exit boot services\n");  in efi_main()
478 	/* Set up arch-specific resources */  in efi_main()
481 		printf("Failed to set up arch-specific resources\n");  in efi_main()