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Diffstat (limited to 'doc/supplements/i960/fatalerr.t')
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diff --git a/doc/supplements/i960/fatalerr.t b/doc/supplements/i960/fatalerr.t new file mode 100644 index 0000000000..7f67b40fe8 --- /dev/null +++ b/doc/supplements/i960/fatalerr.t @@ -0,0 +1,30 @@ +@c +@c COPYRIGHT (c) 1988-2002. +@c On-Line Applications Research Corporation (OAR). +@c All rights reserved. +@c +@c $Id$ +@c + +@chapter Default Fatal Error Processing + +@section Introduction + +Upon detection of a fatal error by either the +application or RTEMS the fatal error manager is invoked. The +fatal error manager will invoke the user-supplied fatal error +handlers. If no user-supplied handlers is configured, the +RTEMS provided default fatal error handler is invoked. If the +user-supplied fatal error handlers return to the executive the +default fatal error handler is then invoked. This chapter +describes the precise operations of the default fatal error +handler. + +@section Default Fatal Error Handler Operations + +The default fatal error handler which is invoked by +the fatal_error_occurred directive when there is no user handler +configured or the user handler returns control to RTEMS. The +default fatal error handler disables processor interrupts to +level 31, places the error code in G0, and executes a branch to +self instruction to simulate a halt processor instruction. |