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| -rw-r--r-- | docs/resources/diagrams/plantuml/io_framework_usage_overview.puml | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/docs/resources/diagrams/plantuml/io_framework_usage_overview.puml b/docs/resources/diagrams/plantuml/io_framework_usage_overview.puml new file mode 100644 index 0000000..b21a0ae --- /dev/null +++ b/docs/resources/diagrams/plantuml/io_framework_usage_overview.puml @@ -0,0 +1,59 @@ +@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 |