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Diffstat (limited to '')
| -rw-r--r-- | docs/resources/diagrams/plantuml/sdei_explicit_dispatch.puml | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/docs/resources/diagrams/plantuml/sdei_explicit_dispatch.puml b/docs/resources/diagrams/plantuml/sdei_explicit_dispatch.puml new file mode 100644 index 0000000..90ff23c --- /dev/null +++ b/docs/resources/diagrams/plantuml/sdei_explicit_dispatch.puml @@ -0,0 +1,51 @@ +/' + ' Copyright (c) 2017-2018, 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 +participant "RAS Driver" as RAS + +activate EL2 +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>> ... + +EL3<--]: **CRITICAL EVENT** +activate EL3 #red +note over EL3: Critical event triage +EL3->RAS: dispatch to handle +deactivate EL3 +activate RAS #salmon +note over RAS: Critical event handling +RAS-->SDEI: sdei_dispatch_event(ev) +deactivate RAS +activate SDEI #salmon +note over SDEI: Prepare SDEI dispatch +SDEI->EL2: dispatch +activate EL2 #salmon +note over EL2: SDEI handler +EL2->SDEI: **SDEI_EVENT_COMPLETE()** +deactivate EL2 +note over SDEI: Complete SDEI dispatch +SDEI-->RAS: return +deactivate SDEI +activate RAS #salmon +RAS->EL3: error handling done +deactivate RAS +EL3->EL2: resumes preempted execution + +... <<Normal execution resumes>> ... + +@enduml |