1*91f16700Schasinglulu /* 2*91f16700Schasinglulu * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved. 3*91f16700Schasinglulu * 4*91f16700Schasinglulu * SPDX-License-Identifier: BSD-3-Clause 5*91f16700Schasinglulu */ 6*91f16700Schasinglulu #ifndef DESC_IMAGE_LOAD_H 7*91f16700Schasinglulu #define DESC_IMAGE_LOAD_H 8*91f16700Schasinglulu 9*91f16700Schasinglulu #include <common/bl_common.h> 10*91f16700Schasinglulu 11*91f16700Schasinglulu /* Following structure is used to store BL ep/image info. */ 12*91f16700Schasinglulu typedef struct bl_mem_params_node { 13*91f16700Schasinglulu unsigned int image_id; 14*91f16700Schasinglulu image_info_t image_info; 15*91f16700Schasinglulu entry_point_info_t ep_info; 16*91f16700Schasinglulu unsigned int next_handoff_image_id; 17*91f16700Schasinglulu bl_load_info_node_t load_node_mem; 18*91f16700Schasinglulu bl_params_node_t params_node_mem; 19*91f16700Schasinglulu } bl_mem_params_node_t; 20*91f16700Schasinglulu 21*91f16700Schasinglulu extern bl_mem_params_node_t *bl_mem_params_desc_ptr; 22*91f16700Schasinglulu extern unsigned int bl_mem_params_desc_num; 23*91f16700Schasinglulu 24*91f16700Schasinglulu /* 25*91f16700Schasinglulu * Macro to register list of BL image descriptors, 26*91f16700Schasinglulu * defined as an array of bl_mem_params_node_t. 27*91f16700Schasinglulu */ 28*91f16700Schasinglulu #define REGISTER_BL_IMAGE_DESCS(_img_desc) \ 29*91f16700Schasinglulu bl_mem_params_node_t *bl_mem_params_desc_ptr = &_img_desc[0]; \ 30*91f16700Schasinglulu unsigned int bl_mem_params_desc_num = ARRAY_SIZE(_img_desc); 31*91f16700Schasinglulu 32*91f16700Schasinglulu /* BL image loading utility functions */ 33*91f16700Schasinglulu void flush_bl_params_desc(void); 34*91f16700Schasinglulu void flush_bl_params_desc_args(bl_mem_params_node_t *mem_params_desc_ptr, 35*91f16700Schasinglulu unsigned int mem_params_desc_num, 36*91f16700Schasinglulu bl_params_t *next_bl_params_ptr); 37*91f16700Schasinglulu int get_bl_params_node_index(unsigned int image_id); 38*91f16700Schasinglulu bl_mem_params_node_t *get_bl_mem_params_node(unsigned int image_id); 39*91f16700Schasinglulu bl_load_info_t *get_bl_load_info_from_mem_params_desc(void); 40*91f16700Schasinglulu bl_params_t *get_next_bl_params_from_mem_params_desc(void); 41*91f16700Schasinglulu void populate_next_bl_params_config(bl_params_t *bl2_to_next_bl_params); 42*91f16700Schasinglulu 43*91f16700Schasinglulu /* Helper to extract BL32/BL33 entry point info from arg0 passed to BL31. */ 44*91f16700Schasinglulu void bl31_params_parse_helper(u_register_t param, 45*91f16700Schasinglulu entry_point_info_t *bl32_ep_info_out, 46*91f16700Schasinglulu entry_point_info_t *bl33_ep_info_out); 47*91f16700Schasinglulu 48*91f16700Schasinglulu #endif /* DESC_IMAGE_LOAD_H */ 49