source: rtems/doc/supplements/i960/fatalerr.t @ 5ab187b

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Last change on this file since 5ab187b was 5ab187b, checked in by Joel Sherrill <joel.sherrill@…>, on 10/19/98 at 18:59:35

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1@c
2@c  COPYRIGHT (c) 1988-1998.
3@c  On-Line Applications Research Corporation (OAR).
4@c  All rights reserved.
5@c
6@c  $Id$
7@c
8
9@chapter Default Fatal Error Processing
10
11@section Introduction
12
13Upon detection of a fatal error by either the
14application or RTEMS the fatal error manager is invoked.  The
15fatal error manager will invoke the user-supplied fatal error
16handlers.  If no user-supplied handlers is configured,  the
17RTEMS provided default fatal error handler is invoked.  If the
18user-supplied fatal error handlers return to the executive the
19default fatal error handler is then invoked.  This chapter
20describes the precise operations of the default fatal error
21handler.
22
23@section Default Fatal Error Handler Operations
24
25The default fatal error handler which is invoked by
26the fatal_error_occurred directive when there is no user handler
27configured or the user handler returns control to RTEMS.  The
28default fatal error handler disables processor interrupts to
29level 31, places the error code in G0, and executes a branch to
30self instruction to simulate a halt processor instruction.
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