u-boot/cpu/nios2/traps.c

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/*
* (C) Copyright 2004, Psyent Corporation <www.psyent.com>
* Scott McNutt <smcnutt@psyent.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <asm/ptrace.h>
#include <common.h>
void trap_handler (struct pt_regs *regs)
{
/* Just issue warning */
printf ("\n\n*** WARNING: unimplemented trap @ %08x\n\n",
regs->reg[29] - 4);
}
void soft_emulation (struct pt_regs *regs)
{
/* TODO: Software emulation of mul/div etc. Until this is
* implemented, generate warning and hang.
*/
printf ("\n\n*** ERROR: unimplemented instruction @ %08x\n",
regs->reg[29] - 4);
hang ();
}