1 /* 2 * Copyright (c) 2017-2023, Arm Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef OPTEE_UTILS_H 8 #define OPTEE_UTILS_H 9 10 #include <stdbool.h> 11 12 #include <common/bl_common.h> 13 14 bool optee_header_is_valid(uintptr_t header_base); 15 16 int parse_optee_header(entry_point_info_t *header_ep, 17 image_info_t *pager_image_info, 18 image_info_t *paged_image_info); 19 20 /* 21 * load_addr_hi and load_addr_lo: image load address. 22 * image_id: 0 - pager, 1 - paged 23 * size: image size in bytes. 24 */ 25 typedef struct optee_image { 26 uint32_t load_addr_hi; 27 uint32_t load_addr_lo; 28 uint32_t image_id; 29 uint32_t size; 30 } optee_image_t; 31 32 #define OPTEE_PAGER_IMAGE_ID 0 33 #define OPTEE_PAGED_IMAGE_ID 1 34 35 #define OPTEE_MAX_NUM_IMAGES 2u 36 37 #define TEE_MAGIC_NUM_OPTEE 0x4554504f 38 /* 39 * magic: header magic number. 40 * version: OPTEE header version: 41 * 1 - not supported 42 * 2 - supported 43 * arch: OPTEE os architecture type: 0 - AARCH32, 1 - AARCH64. 44 * flags: unused currently. 45 * nb_images: number of images. 46 */ 47 typedef struct optee_header { 48 uint32_t magic; 49 uint8_t version; 50 uint8_t arch; 51 uint16_t flags; 52 uint32_t nb_images; 53 optee_image_t optee_image_list[]; 54 } optee_header_t; 55 56 #endif /* OPTEE_UTILS_H */ 57
