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Diffstat (limited to 'docs/sdei.rst')
| -rw-r--r-- | docs/sdei.rst | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/docs/sdei.rst b/docs/sdei.rst index 0731a5a81..a67b72486 100644 --- a/docs/sdei.rst +++ b/docs/sdei.rst @@ -232,13 +232,20 @@ bound or dynamic events can't be explicitly dispatched (see the section below). At a later point in time, a critical event [#critical-event]_ is trapped into EL3 [7]. EL3 performs a first-level triage of the event, and decides to dispatch -to Secure EL1 for further handling [8]. The dispatch completes, but intends to -involve Non-secure world in further handling, and therefore decides to -explicitly dispatch an event [10] (which the client had already registered for -[1]). The rest of the sequence is similar to that in the `general SDEI -dispatch`_: the requested event is dispatched to the client (assuming all the -conditions are met), and when the handler completes, the preempted execution -resumes. +to a Secure Partition [#secpart]_ for further handling [8]. The dispatch +completes, but intends to involve Non-secure world in further handling, and +therefore decides to explicitly dispatch an event [10] (which the client had +already registered for [1]). The rest of the sequence is similar to that in the +`general SDEI dispatch`_: the requested event is dispatched to the client +(assuming all the conditions are met), and when the handler completes, the +preempted execution resumes. + +.. [#critical-event] Examples of critical event are *SError*, *Synchronous + External Abort*, *Fault Handling interrupt*, or *Error + Recovery interrupt* from one of RAS nodes in the system. + +.. [#secpart] Dispatching to Secure Partition involves *Secure Partition + Manager*, which isn't depicted in the sequence. Conditions for event dispatch ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -295,10 +302,6 @@ dispatcher: context is resumed (as indicated by the ``preempted_sec_state`` parameter of the API). -.. [#critical-event] Examples of critical event are *SError*, *Synchronous - External Abort*, *Fault Handling interrupt*, or *Error - Recovery interrupt* from one of RAS nodes in the system. - Porting requirements -------------------- |