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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSScoreCPUSPARC
*
* @brief This source file contains the SPARC-specific implementation of
* _CPU_Exception_frame_print().
*/
/*
* Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/score/cpu.h>
#include <rtems/bspIo.h>
#include <inttypes.h>
void _CPU_Exception_frame_print( const CPU_Exception_frame *frame )
{
size_t i;
size_t j;
const char *desc;
switch ( SPARC_REAL_TRAP_NUMBER( frame->trap ) ) {
case 0x01:
desc = " (instruction access exception)";
break;
case 0x02:
desc = " (illegal instruction)";
break;
case 0x03:
desc = " (privileged instruction)";
break;
case 0x04:
desc = " (fp disabled)";
break;
case 0x05:
desc = " (window overflow)";
break;
case 0x06:
desc = " (window underflow)";
break;
case 0x07:
desc = " (memory address not aligned)";
break;
case 0x08:
desc = " (fp exception)";
break;
case 0x09:
desc = " (data access exception)";
break;
case 0x0A:
desc = " (tag overflow)";
break;
case 0x11:
case 0x12:
case 0x13:
case 0x14:
case 0x15:
case 0x16:
case 0x17:
case 0x18:
case 0x19:
case 0x1A:
case 0x1B:
case 0x1C:
case 0x1D:
case 0x1E:
case 0x1F:
desc = " (external interrupt)";
break;
case 0x24:
desc = " (cp disabled)";
break;
case 0x28:
desc = " (cp exception)";
break;
default:
desc = "";
break;
}
printk(
"\n"
"unexpected trap %" PRIu32 "%s\n"
"PSR = 0x%08" PRIx32 "\n"
"PC = 0x%08" PRIx32 "\n"
"nPC = 0x%08" PRIx32 "\n"
"WIM = 0x%08" PRIx32 "\n"
"Y = 0x%08" PRIx32 "\n",
frame->trap,
desc,
frame->psr,
frame->pc,
frame->npc,
frame->wim,
frame->y
);
for ( i = 0; i < RTEMS_ARRAY_SIZE( frame->global ); ++i ) {
printk( "g%zu = 0x%08" PRIx32 "\n", i, frame->global[ i ] );
}
for ( i = 0; i < RTEMS_ARRAY_SIZE( frame->output ); ++i ) {
printk( "o%zu[CWP - 0] = 0x%08" PRIx32 "\n", i, frame->output[ i ] );
}
for ( i = 0; i < RTEMS_ARRAY_SIZE( frame->windows ); ++i ) {
const SPARC_Register_window *win;
win = &frame->windows[ i ];
for ( j = 0; j < RTEMS_ARRAY_SIZE( win->local ); ++j ) {
printk( "l%zu[CWP - %zu] = 0x%08" PRIx32 "\n", j, i, win->local[ j ] );
}
for ( j = 0; j < RTEMS_ARRAY_SIZE( win->input ); ++j ) {
printk( "i%zu[CWP - %zu] = 0x%08" PRIx32 "\n", j, i, win->input[ j ] );
}
}
#if SPARC_HAS_FPU == 1
printk( "FSR = 0x%08" PRIx32 "\n", frame->fsr );
for ( i = 0; i < RTEMS_ARRAY_SIZE( frame->fp ); ++i ) {
j = i * 2;
printk( "fp%zu:fp%zu = 0x%016" PRIx64 "\n", j, j + 1, frame->fp[ i ] );
}
#endif
}
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