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| -rw-r--r-- | docs/resources/diagrams/plantuml/sdei_general.puml | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/docs/resources/diagrams/plantuml/sdei_general.puml b/docs/resources/diagrams/plantuml/sdei_general.puml new file mode 100644 index 0000000..ab6929a --- /dev/null +++ b/docs/resources/diagrams/plantuml/sdei_general.puml @@ -0,0 +1,43 @@ +/' + ' Copyright (c) 2017, ARM Limited and Contributors. All rights reserved. + ' + ' SPDX-License-Identifier: BSD-3-Clause + '/ + +@startuml + +autonumber "<b>[#]</b>" +participant "SDEI client" as EL2 +participant EL3 +participant "SDEI interrupt source" as SDEI + +activate EL2 +EL2->EL3: **SDEI_INTERRUPT_BIND**(irq) +EL3->EL2: event number: ev +EL2->EL3: **SDEI_EVENT_REGISTER**(ev, handler, ...) +EL3->EL2: success +EL2->EL3: **SDEI_EVENT_ENABLE**(ev) +EL3->EL2: success +EL2->EL3: **SDEI_PE_UNMASK**() +EL3->EL2: 1 + +... <<Business as usual>> ... + +SDEI-->EL3: SDEI interrupt +activate SDEI #salmon +activate EL3 #red +note over EL3: Prepare SDEI dispatch +EL3->EL2: dispatch +activate EL2 #salmon +note over EL2: SDEI handler +EL2->EL3: **SDEI_EVENT_COMPLETE()** +deactivate EL2 +note over EL3: Complete SDEI dispatch +EL3-->SDEI: EOI +deactivate SDEI +EL3->EL2: resumes preempted execution +deactivate EL3 + +... <<Normal execution resumes>> ... + +@enduml |