| @startuml |
| |
| participant bl_common |
| participant arm_io_storage |
| participant io_storage |
| |
| == Platform Setup == |
| |
| bl1_main -> xxx_bl1_setup : bl1_platform_setup() |
| xxx_bl1_setup -> arm_io_storage : plat_arm_io_setup() |
| |
| arm_io_storage -> arm_io_storage : arm_io_setup() |
| ref over arm_io_storage, io_storage : io device registration |
| |
| == Get Image == |
| bl1_main -> xxx_bl1_setup : bl1_plat_get_next_image_id() |
| bl1_main <-- xxx_bl1_setup : BL2_IMAGE_ID |
| |
| bl1_main -> bl1_main : bl1_load_bl2() |
| activate bl1_main |
| bl1_main -> plat_bl1_common : bl1_plat_get_image_desc(BL2_IMAGE_ID) |
| bl1_main <-- plat_bl1_common : BL2_IMAGE_DESC |
| |
| bl1_main -> plat_bl1_common : bl1_plat_handle_pre_image_load(BL2_IMAGE_ID) |
| |
| bl1_main -> bl_common : load_auth_image(BL2_IMAGE_ID, image_info) |
| activate bl_common |
| bl_common -> bl_common : load_auth_image_internal(BL2_IMAGE_ID, image_info, is_parent_image) |
| activate bl_common |
| bl_common -> bl_common : load_image(BL2_IMAGE_ID, image_info) |
| activate bl_common |
| bl_common -> arm_io_storage : plat_get_image_source(BL2_IMAGE_ID, &dev_handle, &image_spec) |
| ref over arm_io_storage, io_storage : init and check device (BL2_IMAGE_ID) |
| bl_common <-- arm_io_storage : dev_handle |
| |
| bl_common -> io_storage : io_open(dev_handle, image_spec, &image_handle) |
| ref over io_storage : io_open() on fip device |
| bl_common <-- io_storage : image_handle |
| bl_common -> io_storage : io_size(image_handle, &image_size) |
| ref over io_storage : io_size() on fip device |
| bl_common -> io_storage : io_read(image_handle, image_base, image_size, &bytes_read) |
| ref over io_storage : io_read() on fip device |
| bl_common -> io_storage : io_close(image_handle) |
| ref over io_storage : io_close() on fip device |
| bl_common -> io_storage : io_dev_close(dev_handle) |
| ref over io_storage : io_dev_close() on fip device |
| |
| deactivate bl_common |
| deactivate bl_common |
| deactivate bl_common |
| |
| == Prepare Next Image == |
| bl1_main -> plat_bl1_common : bl1_plat_handle_post_image_load(BL2_IMAGE_ID) |
| |
| deactivate bl1_main |
| |
| == Jump to next Image == |
| |
| @enduml |