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https://github.com/ARM-software/arm-trusted-firmware.git
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dbeace1027
Add uml sequence and class diagram to illustrate the behavior of the storage abstraction layer. Change-Id: I338262729f8034cc3d3eea1d0ce19cca973a91bb Signed-off-by: Louis Mayencourt <louis.mayencourt@arm.com>
52 lines
1.3 KiB
Text
52 lines
1.3 KiB
Text
@startuml
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participant arm_io_storage order 1
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participant io_storage order 2
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participant io_fip order 3
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participant io_memmap order 4
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-> arm_io_storage : arm_io_setup()
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group io dev registration
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arm_io_storage -> io_fip : register_io_dev_fip(&fip_dev_con)
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io_fip -> io_storage : io_register_device(&dev_info_pool[])
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note over io_storage
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devices[dev_count] = (fip_)dev_info_pool
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dev_count++
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end note
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arm_io_storage -> io_memmap : register_io_dev_memmap(&memmap_dev_con)
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io_memmap -> io_storage : io_register_device(&memmap_dev_info)
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note over io_storage
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devices[dev_count] = memmap_dev_info
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dev_count++
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end note
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arm_io_storage -> io_storage : io_dev_open(fip_dev_con, NULL, fip_dev_handle)
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io_storage -> io_storage : dev_open(dev_con, dev_spec, handle)
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activate io_storage
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opt dev_open() on fip device
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io_storage -> io_fip : fip_dev_open(dev_spec, dev_info)
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note over io_fip
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dev_info = one of the
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"fip_dev_info" from
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dev_info_pool[]
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end note
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end opt
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deactivate io_storage
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arm_io_storage -> io_storage : io_dev_open(memmap_dev_con, NULL, memmap_dev_handle)
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io_storage -> io_storage : dev_open(dev_con, dev_spec, handle)
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activate io_storage
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opt dev_open() on memmap device
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io_storage -> io_memmap : memmap_dev_open(dev_spec, dev_info)
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note over io_memmap
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dev_info = memmap_dev_info
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end note
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end opt
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deactivate io_storage
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end group
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@enduml
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