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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [tests/] [sptests/] [spfatal/] [fatal.c] - Rev 30
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/* Fatal Error Test * * NOTE: * * This test actually modifies the Configuration table and restarts * the executive. It is very carefully constructed to do this and * uses the Configuration very carefully. * * 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: fatal.c,v 1.2 2001-09-27 12:02:38 chris Exp $ */ #include "system.h" #include <setjmp.h> char Workspace[ 64 * 1024 ] CPU_STRUCTURE_ALIGNMENT; typedef enum { FATAL_WORKSPACE_OF_ZERO, FATAL_NULL_WORKSPACE, FATAL_WORKSPACE_TOO_SMALL, FATAL_TASK_CREATE, FATAL_TASK_START } Fatal_errors_t; #define FATAL_LAST FATAL_TASK_START volatile Fatal_errors_t Case_in_switch; rtems_status_code Expected_Errors[] = { RTEMS_UNSATISFIED, RTEMS_INVALID_ADDRESS, RTEMS_UNSATISFIED, RTEMS_INVALID_PRIORITY, RTEMS_TASK_EXITTED }; rtems_status_code Error_Happened[ FATAL_LAST + 1]; jmp_buf Restart_Context; /* * We depend on this being zeroed during initialization. This * occurs automatically because this is part of the BSS. */ rtems_unsigned32 First_Time_Through; void Process_case(); rtems_extension Fatal_extension( rtems_unsigned32 source, boolean is_internal, rtems_unsigned32 error ) { int index; Error_Happened[ Case_in_switch ] = error; if ( First_Time_Through == 0 ) { Case_in_switch = FATAL_WORKSPACE_OF_ZERO; First_Time_Through = 1; setjmp( Restart_Context ); } else if ( Case_in_switch == FATAL_LAST ) { /* * Depending on the C library we use, we cannot get the * task exitted error so do not check for it. */ puts( "*** TEST FATAL ***" ); for ( index=0 ; index< FATAL_LAST ; index++ ) put_error( Error_Happened[ index ], Expected_Errors[ index ] ); puts( "NOT TESTING FATAL ERROR WHEN TASK EXITS -- C LIBRARY CATCHES THIS" ); puts( "*** END OF TEST FATAL ***" ); /* * returns to the default fatal error handler instead of * calling rtems_shutdown_executive */ return; } else { longjmp( Restart_Context, 1 ); } Process_case(); } void Process_case() { switch ( Case_in_switch ) { case FATAL_WORKSPACE_OF_ZERO: New_Configuration = rtems_configuration_get_table(); New_Configuration.work_space_start = NULL; Case_in_switch = FATAL_NULL_WORKSPACE; break; case FATAL_NULL_WORKSPACE: New_Configuration.work_space_start = Workspace; New_Configuration.work_space_size = 256; Case_in_switch = FATAL_WORKSPACE_TOO_SMALL; break; case FATAL_WORKSPACE_TOO_SMALL: Initialization_tasks[ 0 ].initial_priority = RTEMS_CURRENT_PRIORITY; New_Configuration.work_space_size = sizeof( Workspace ); Case_in_switch = FATAL_TASK_CREATE; break; case FATAL_TASK_CREATE: Initialization_tasks[ 0 ].initial_priority = 1; Initialization_tasks[ 0 ].entry_point = NULL; Case_in_switch = FATAL_TASK_START; break; case FATAL_TASK_START: /* this extension exits the test */ Initialization_tasks[ 0 ].entry_point = Init; break; } rtems_initialize_executive( &New_Configuration, rtems_cpu_configuration_get_table() ); }
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