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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [score/] [src/] [interr.c] - Rev 619
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/* * Internal Error Handler * * COPYRIGHT (c) 1989-1999. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.OARcorp.com/rtems/license.html. * * $Id: interr.c,v 1.2 2001-09-27 11:59:34 chris Exp $ */ #include <rtems/system.h> #include <rtems/score/interr.h> #include <rtems/score/sysstate.h> #include <rtems/score/userext.h> /*PAGE * * _Internal_error_Occurred * * This routine will invoke the fatal error handler supplied by the user * followed by the the default one provided by the executive. The default * error handler assumes no hardware is present to help inform the user * of the problem. Halt stores the error code in a known register, * disables interrupts, and halts the CPU. If the CPU does not have a * halt instruction, it will loop to itself. * * Input parameters: * the_source - what subsystem the error originated in * is_internal - if the error was internally generated * the_error - fatal error status code * * Output parameters: * As much information as possible is stored in a CPU dependent fashion. * See the CPU dependent code for more information. * * NOTE: The the_error is not necessarily a directive status code. */ void volatile _Internal_error_Occurred( Internal_errors_Source the_source, boolean is_internal, unsigned32 the_error ) { Internal_errors_What_happened.the_source = the_source; Internal_errors_What_happened.is_internal = is_internal; Internal_errors_What_happened.the_error = the_error; _User_extensions_Fatal( the_source, is_internal, the_error ); _System_state_Set( SYSTEM_STATE_FAILED ); _CPU_Fatal_halt( the_error ); /* will not return from this routine */ }
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