diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/desc_image_load.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/common/desc_image_load.c b/common/desc_image_load.c index e68e69ca..147dfbff 100644 --- a/common/desc_image_load.c +++ b/common/desc_image_load.c @@ -190,3 +190,65 @@ bl_params_t *get_next_bl_params_from_mem_params_desc(void) return &next_bl_params; } + +/******************************************************************************* + * This function populates the entry point information with the corresponding + * config file for all executable BL images described in bl_params. + ******************************************************************************/ +void populate_next_bl_params_config(bl_params_t *bl2_to_next_bl_params) +{ + bl_params_node_t *params_node; + unsigned int fw_config_id; + uintptr_t hw_config_base = 0, fw_config_base; + bl_mem_params_node_t *mem_params; + + assert(bl2_to_next_bl_params); + + /* + * Get the `bl_mem_params_node_t` corresponding to HW_CONFIG + * if available. + */ + mem_params = get_bl_mem_params_node(HW_CONFIG_ID); + if (mem_params != NULL) + hw_config_base = mem_params->image_info.image_base; + + for (params_node = bl2_to_next_bl_params->head; params_node != NULL; + params_node = params_node->next_params_info) { + + fw_config_base = 0; + + switch (params_node->image_id) { + case BL31_IMAGE_ID: + fw_config_id = SOC_FW_CONFIG_ID; + break; + case BL32_IMAGE_ID: + fw_config_id = TOS_FW_CONFIG_ID; + break; + case BL33_IMAGE_ID: + fw_config_id = NT_FW_CONFIG_ID; + break; + default: + fw_config_id = INVALID_IMAGE_ID; + break; + } + + if (fw_config_id != INVALID_IMAGE_ID) { + mem_params = get_bl_mem_params_node(fw_config_id); + if (mem_params != NULL) + fw_config_base = mem_params->image_info.image_base; + } + + /* + * Pass hw and tb_fw config addresses to next images. NOTE - for + * EL3 runtime images (BL31 for AArch64 and BL32 for AArch32), + * arg0 is already used by generic code. + */ + if (params_node == bl2_to_next_bl_params->head) { + params_node->ep_info->args.arg1 = fw_config_base; + params_node->ep_info->args.arg2 = hw_config_base; + } else { + params_node->ep_info->args.arg0 = fw_config_base; + params_node->ep_info->args.arg1 = hw_config_base; + } + } +} |