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Diffstat (limited to 'include/common/desc_image_load.h')
| -rw-r--r-- | include/common/desc_image_load.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/include/common/desc_image_load.h b/include/common/desc_image_load.h new file mode 100644 index 0000000..b044f3e --- /dev/null +++ b/include/common/desc_image_load.h @@ -0,0 +1,48 @@ +/* + * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ +#ifndef DESC_IMAGE_LOAD_H +#define DESC_IMAGE_LOAD_H + +#include <common/bl_common.h> + +/* Following structure is used to store BL ep/image info. */ +typedef struct bl_mem_params_node { + unsigned int image_id; + image_info_t image_info; + entry_point_info_t ep_info; + unsigned int next_handoff_image_id; + bl_load_info_node_t load_node_mem; + bl_params_node_t params_node_mem; +} bl_mem_params_node_t; + +extern bl_mem_params_node_t *bl_mem_params_desc_ptr; +extern unsigned int bl_mem_params_desc_num; + +/* + * Macro to register list of BL image descriptors, + * defined as an array of bl_mem_params_node_t. + */ +#define REGISTER_BL_IMAGE_DESCS(_img_desc) \ + bl_mem_params_node_t *bl_mem_params_desc_ptr = &_img_desc[0]; \ + unsigned int bl_mem_params_desc_num = ARRAY_SIZE(_img_desc); + +/* BL image loading utility functions */ +void flush_bl_params_desc(void); +void flush_bl_params_desc_args(bl_mem_params_node_t *mem_params_desc_ptr, + unsigned int mem_params_desc_num, + bl_params_t *next_bl_params_ptr); +int get_bl_params_node_index(unsigned int image_id); +bl_mem_params_node_t *get_bl_mem_params_node(unsigned int image_id); +bl_load_info_t *get_bl_load_info_from_mem_params_desc(void); +bl_params_t *get_next_bl_params_from_mem_params_desc(void); +void populate_next_bl_params_config(bl_params_t *bl2_to_next_bl_params); + +/* Helper to extract BL32/BL33 entry point info from arg0 passed to BL31. */ +void bl31_params_parse_helper(u_register_t param, + entry_point_info_t *bl32_ep_info_out, + entry_point_info_t *bl33_ep_info_out); + +#endif /* DESC_IMAGE_LOAD_H */ |