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0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002 
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSBSPsShared
0007  *
0008  * @brief This source file contains the implementation of
0009  *   bsp_fatal_extension().
0010  */
0011 
0012 /*
0013  *  COPYRIGHT (c) 1989-1999.
0014  *  On-Line Applications Research Corporation (OAR).
0015  *
0016  * Redistribution and use in source and binary forms, with or without
0017  * modification, are permitted provided that the following conditions
0018  * are met:
0019  * 1. Redistributions of source code must retain the above copyright
0020  *    notice, this list of conditions and the following disclaimer.
0021  * 2. Redistributions in binary form must reproduce the above copyright
0022  *    notice, this list of conditions and the following disclaimer in the
0023  *    documentation and/or other materials provided with the distribution.
0024  *
0025  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0026  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0027  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0028  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0029  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0030  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0031  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0032  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0033  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0034  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0035  * POSSIBILITY OF SUCH DAMAGE.
0036  */
0037 
0038 #include <bsp.h>
0039 #include <bsp/bootcard.h>
0040 #include <rtems/bspIo.h>
0041 #include <rtems/version.h>
0042 #include <rtems/score/heap.h>
0043 #include <rtems/score/smpimpl.h>
0044 #include <rtems/score/threadimpl.h>
0045 #include <inttypes.h>
0046 
0047 void bsp_fatal_extension(
0048   rtems_fatal_source source,
0049   bool always_set_to_false,
0050   rtems_fatal_code code
0051 )
0052 {
0053   #if defined(RTEMS_SMP)
0054     if (
0055       source == RTEMS_FATAL_SOURCE_SMP &&
0056       code == SMP_FATAL_SHUTDOWN_RESPONSE
0057     ) {
0058       /*
0059        * If this processor is requested to shutdown, use the default idle
0060        * thread body which may place us in a low-power state waiting for
0061        * interrupts.
0062        */
0063       _CPU_Thread_Idle_body( 0 );
0064     }
0065 
0066     /*
0067      * Request other online processors to shutdown.  This reduces the
0068      * likelihood to get concurrent output to the kernel I/O device.
0069      */
0070     _SMP_Request_shutdown();
0071   #endif
0072 
0073   #if BSP_VERBOSE_FATAL_EXTENSION
0074     Thread_Control *executing;
0075     const char* TYPE = "*** FATAL ***";
0076     const char* type = "fatal";
0077 
0078     if ( source == RTEMS_FATAL_SOURCE_EXIT ) {
0079       if ( code == 0 ) {
0080         TYPE = "[ RTEMS shutdown ]";
0081       } else {
0082         TYPE = "*** EXIT STATUS NOT ZERO ***";
0083       }
0084       type = "exit";
0085     }
0086 
0087     printk(
0088       "\n"
0089       "%s\n"
0090       ,
0091       TYPE
0092     );
0093 
0094     if ( source != RTEMS_FATAL_SOURCE_EXIT || code != 0 ) {
0095       printk(
0096         "%s source: %i (%s)\n"
0097         ,
0098         type,
0099         source,
0100         rtems_fatal_source_text( source )
0101       );
0102     }
0103 
0104     #ifdef RTEMS_SMP
0105       printk(
0106         "CPU: %" PRIu32 "\n"
0107         ,
0108         rtems_scheduler_get_processor()
0109       );
0110     #endif
0111   #endif
0112 
0113   #if (BSP_PRINT_EXCEPTION_CONTEXT) || BSP_VERBOSE_FATAL_EXTENSION
0114     if ( source == RTEMS_FATAL_SOURCE_EXCEPTION ) {
0115       rtems_exception_frame_print( (const rtems_exception_frame *) code );
0116     }
0117   #endif
0118 
0119   #if BSP_VERBOSE_FATAL_EXTENSION
0120     else if ( source == INTERNAL_ERROR_CORE ) {
0121       printk(
0122         "%s code: %ju (%s)\n",
0123         type,
0124         (uintmax_t) code,
0125         rtems_internal_error_text( code )
0126       );
0127     #if defined(HEAP_PROTECTION)
0128     } else if ( source == RTEMS_FATAL_SOURCE_HEAP ) {
0129       Heap_Error_context *error_context = (Heap_Error_context*) code;
0130       const char* reasons[] = {
0131         "HEAP_ERROR_BROKEN_PROTECTOR",
0132         "HEAP_ERROR_FREE_PATTERN",
0133         "HEAP_ERROR_DOUBLE_FREE",
0134         "HEAP_ERROR_BAD_USED_BLOCK",
0135         "HEAP_ERROR_BAD_FREE_BLOCK"
0136       };
0137       const char* reason = "invalid reason";
0138       if ( error_context->reason <= (int) HEAP_ERROR_BAD_FREE_BLOCK ) {
0139         reason = reasons[(int) error_context->reason];
0140       }
0141       printk(
0142         "heap error: heap=%p block=%p reason=%s(%d)",
0143         error_context->heap,
0144         error_context->block,
0145         reason,
0146         error_context->reason
0147       );
0148       if ( error_context->reason == HEAP_ERROR_BROKEN_PROTECTOR ) {
0149         uintptr_t *pb0 = &error_context->block->Protection_begin.protector [0];
0150         uintptr_t *pb1 = &error_context->block->Protection_begin.protector [1];
0151         uintptr_t *pe0 = &error_context->block->Protection_end.protector [0];
0152         uintptr_t *pe1 = &error_context->block->Protection_end.protector [1];
0153         printk(
0154           "=[%p,%p,%p,%p]",
0155           *pb0 != HEAP_BEGIN_PROTECTOR_0 ? pb0 : NULL,
0156           *pb1 != HEAP_BEGIN_PROTECTOR_1 ? pb1 : NULL,
0157           *pe0 != HEAP_END_PROTECTOR_0 ? pe0 : NULL,
0158           *pe1 != HEAP_END_PROTECTOR_1 ? pe1 : NULL
0159         );
0160         printk( "\n" );
0161       }
0162     #endif
0163     } else if ( source != RTEMS_FATAL_SOURCE_EXIT || code != 0 ) {
0164       printk(
0165         "%s code: %ju (0x%08jx)\n",
0166         type,
0167         (uintmax_t) code,
0168         (uintmax_t) code
0169       );
0170     }
0171 
0172     printk(
0173       "RTEMS version: %s\n"
0174       "RTEMS tools: %s\n",
0175       rtems_version(),
0176       __VERSION__
0177     );
0178 
0179     executing = _Thread_Get_executing();
0180 
0181     if ( executing != NULL ) {
0182       char name[ 2 * THREAD_DEFAULT_MAXIMUM_NAME_SIZE ];
0183 
0184       _Thread_Get_name( executing, name, sizeof( name ) );
0185       printk(
0186         "executing thread ID: 0x%08" PRIx32 "\n"
0187         "executing thread name: %s\n",
0188         executing->Object.id,
0189         name
0190       );
0191     } else {
0192       printk( "executing thread is NULL\n" );
0193     }
0194   #endif
0195 
0196   #if (BSP_PRESS_KEY_FOR_RESET)
0197     printk( "\nFATAL ERROR - Executive shutdown! Any key to reboot..." );
0198 
0199     /*
0200      * Wait for a key to be pressed
0201      */
0202     while ( getchark() == -1 )
0203       ;
0204 
0205     printk("\n");
0206   #endif
0207 
0208   /*
0209    *  Check both conditions -- if you want to ask for reboot, then
0210    *  you must have meant to reset the board.
0211    */
0212   #if (BSP_PRESS_KEY_FOR_RESET) || (BSP_RESET_BOARD_AT_EXIT)
0213     bsp_reset( source, code );
0214   #endif
0215 }