1*54fd6939SJiyong Park /* 2*54fd6939SJiyong Park * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved. 3*54fd6939SJiyong Park * 4*54fd6939SJiyong Park * SPDX-License-Identifier: BSD-3-Clause 5*54fd6939SJiyong Park */ 6*54fd6939SJiyong Park #ifndef DESC_IMAGE_LOAD_H 7*54fd6939SJiyong Park #define DESC_IMAGE_LOAD_H 8*54fd6939SJiyong Park 9*54fd6939SJiyong Park #include <common/bl_common.h> 10*54fd6939SJiyong Park 11*54fd6939SJiyong Park /* Following structure is used to store BL ep/image info. */ 12*54fd6939SJiyong Park typedef struct bl_mem_params_node { 13*54fd6939SJiyong Park unsigned int image_id; 14*54fd6939SJiyong Park image_info_t image_info; 15*54fd6939SJiyong Park entry_point_info_t ep_info; 16*54fd6939SJiyong Park unsigned int next_handoff_image_id; 17*54fd6939SJiyong Park bl_load_info_node_t load_node_mem; 18*54fd6939SJiyong Park bl_params_node_t params_node_mem; 19*54fd6939SJiyong Park } bl_mem_params_node_t; 20*54fd6939SJiyong Park 21*54fd6939SJiyong Park extern bl_mem_params_node_t *bl_mem_params_desc_ptr; 22*54fd6939SJiyong Park extern unsigned int bl_mem_params_desc_num; 23*54fd6939SJiyong Park 24*54fd6939SJiyong Park /* 25*54fd6939SJiyong Park * Macro to register list of BL image descriptors, 26*54fd6939SJiyong Park * defined as an array of bl_mem_params_node_t. 27*54fd6939SJiyong Park */ 28*54fd6939SJiyong Park #define REGISTER_BL_IMAGE_DESCS(_img_desc) \ 29*54fd6939SJiyong Park bl_mem_params_node_t *bl_mem_params_desc_ptr = &_img_desc[0]; \ 30*54fd6939SJiyong Park unsigned int bl_mem_params_desc_num = ARRAY_SIZE(_img_desc); 31*54fd6939SJiyong Park 32*54fd6939SJiyong Park /* BL image loading utility functions */ 33*54fd6939SJiyong Park void flush_bl_params_desc(void); 34*54fd6939SJiyong Park void flush_bl_params_desc_args(bl_mem_params_node_t *mem_params_desc_ptr, 35*54fd6939SJiyong Park unsigned int mem_params_desc_num, 36*54fd6939SJiyong Park bl_params_t *next_bl_params_ptr); 37*54fd6939SJiyong Park int get_bl_params_node_index(unsigned int image_id); 38*54fd6939SJiyong Park bl_mem_params_node_t *get_bl_mem_params_node(unsigned int image_id); 39*54fd6939SJiyong Park bl_load_info_t *get_bl_load_info_from_mem_params_desc(void); 40*54fd6939SJiyong Park bl_params_t *get_next_bl_params_from_mem_params_desc(void); 41*54fd6939SJiyong Park void populate_next_bl_params_config(bl_params_t *bl2_to_next_bl_params); 42*54fd6939SJiyong Park 43*54fd6939SJiyong Park /* Helper to extract BL32/BL33 entry point info from arg0 passed to BL31. */ 44*54fd6939SJiyong Park void bl31_params_parse_helper(u_register_t param, 45*54fd6939SJiyong Park entry_point_info_t *bl32_ep_info_out, 46*54fd6939SJiyong Park entry_point_info_t *bl33_ep_info_out); 47*54fd6939SJiyong Park 48*54fd6939SJiyong Park #endif /* DESC_IMAGE_LOAD_H */ 49