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/* trace.c -- Simulator breakpoints

   Copyright (C) 1999 Damjan Lampret, lampret@opencores.org

This file is part of OpenRISC 1000 Architectural Simulator.

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., 675 Mass Ave, Cambridge, MA 02139, USA. */

#include <stdio.h>

#include <ctype.h>

#include <string.h>

#include <stdlib.h>

#include <signal.h>

#include <stdarg.h>

#include "arch.h"

#include "parse.h"

#include "abstract.h"

#include "trace.h"

#include "execute.h"

/* Set instruction execution breakpoint. */

void set_insnbrkpoint(unsigned long addr)

{

        addr &= 0xfffffffc;     /* 32-bit aligned */

        if (addr < (MEMORY_START + MEMORY_LEN))

                if (mem[addr].brk) {

                        mem[addr].brk = 0;

                        printf("\nBreakpoint at 0x%.8lx cleared.\n", addr);

                } else {

                        mem[addr].brk = 1;

                        printf("\nBreakpoint at 0x%.8lx set.\n", addr);

                }

        else

                printf("ERROR: Can't set this breakpoint out of memory.\n");

        return;

}