From 563f7e0f1cb59d3ea3965a32c82dfe1d0abe2b81 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Tue, 1 Jul 1997 18:39:44 +0000 Subject: New files -- PowerPC supplement is based on the SPARC supplement. This version has had some initial work done to convert it to be PowerPC specific. --- doc/supplements/powerpc/fatalerr.t | 47 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 doc/supplements/powerpc/fatalerr.t (limited to 'doc/supplements/powerpc/fatalerr.t') diff --git a/doc/supplements/powerpc/fatalerr.t b/doc/supplements/powerpc/fatalerr.t new file mode 100644 index 0000000000..45bfebe2fd --- /dev/null +++ b/doc/supplements/powerpc/fatalerr.t @@ -0,0 +1,47 @@ +@c +@c COPYRIGHT (c) 1988-1996. +@c On-Line Applications Research Corporation (OAR). +@c All rights reserved. +@c +@c $Id$ +@c + +@ifinfo +@node Default Fatal Error Processing, Default Fatal Error Processing Introduction, Interrupt Processing Interrupt Stack, Top +@end ifinfo +@chapter Default Fatal Error Processing +@ifinfo +@menu +* Default Fatal Error Processing Introduction:: +* Default Fatal Error Processing Default Fatal Error Handler Operations:: +@end menu +@end ifinfo + +@ifinfo +@node Default Fatal Error Processing Introduction, Default Fatal Error Processing Default Fatal Error Handler Operations, Default Fatal Error Processing, Default Fatal Error Processing +@end ifinfo +@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 are 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. + +@ifinfo +@node Default Fatal Error Processing Default Fatal Error Handler Operations, Board Support Packages, Default Fatal Error Processing Introduction, Default Fatal Error Processing +@end ifinfo +@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 15, places the error code in g1, and goes into an infinite +loop to simulate a halt processor instruction. + + -- cgit v1.2.3