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- @startuml
- package arm_io_storage {
- class plat_io_policy {
- dev_handle : uintptr_t*
- image_spec : uintptr_t
- {abstract} check() : fctptr
- }
- class FIP_IMAGE_ID {
- memmap_dev_handle
- fip_block_spec
- open_memmap()
- }
- class BL2_IMAGE_ID{
- fip_dev_handle
- bl2_uuid_spec
- open_fip()
- }
- class xxx_IMAGE_ID{
- fip_dev_handle
- xxx_uuid_spec
- open_fip()
- }
- class arm_io_storage {
- fip_dev_con : io_dev_connector_t*
- fip_dev_handle : uintptr_t
- memmap_dev_con : io_dev_connector_t*
- memmap_dev_handle : uintptr_t
- fip_block_spec : io_block_spec_t
- policies : plat_io_policy[1..*]
- -open_fip()
- -open_memmap()
- +arm_io_setup()
- +plat_get_image_source()
- }
- FIP_IMAGE_ID -up-|> plat_io_policy
- BL2_IMAGE_ID -up-|> plat_io_policy
- xxx_IMAGE_ID -up-|> plat_io_policy
- arm_io_storage *-"1..*" plat_io_policy
- }
- package IO {
- class io_storage {
- io_dev_open()
- io_dev_init()
- io_dev_close()
- .. synchronous operations ..
- io_open()
- io_seek()
- io_size()
- io_read()
- io_write()
- io_close()
- io_register_device()
- }
- class io_fip {
- register_io_dev_fip()
- .. io_dev_funcs_t interface ..
- fip_dev_funcs : io_dev_funcs_t
- }
- class io_memmap {
- register_io_dev_memmap()
- .. io_dev_funcs_t interface ..
- memmap_dev_funcs : io_dev_funcs_t
- }
- interface io_driver {
- io_entity_t
- io_dev_info_t
- .. io_dev_connector_t interface ..
- dev_open()
- .. io_dev_funcs_t interface ..
- type()
- open()
- seek()
- size()
- read()
- write()
- close()
- dev_init()
- dev_close()
- io_register_device()
- }
- }
- arm_io_storage .. io_driver
- arm_io_storage .. io_fip
- arm_io_storage .. io_memmap
- arm_io_storage .. io_storage
- @enduml
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