Subversion Repositories openrisc_2011-10-31

/* trace.c -- Simulator breakpoints

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

   Copyright (C) 2008 Embecosm Limited

   Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>

   This file is part of Or1ksim, the 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 3 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, see <http://www.gnu.org/licenses/>.  */

/* This program is commented throughout in a fashion suitable for processing

   with Doxygen. */

/* Autoconf and/or portability configuration */

#include "config.h"

/* Package includes */

#include "trace.h"

#include "sim-config.h"

#include "abstract.h"

#include "labels.h"

/*---------------------------------------------------------------------------*/

/*!Set instruction execution breakpoint

   @param[in] addr  The address for the breakpoint                           */

/*---------------------------------------------------------------------------*/

void

set_insnbrkpoint (oraddr_t addr)

{

  addr &= ~ADDR_C (3);          /* 32-bit aligned */

  if (!verify_memoryarea (addr))

    {

      PRINTF

        ("WARNING: This breakpoint is out of the simulated memory range.\n");

    }

  if (has_breakpoint (addr))

    {

      remove_breakpoint (addr);

      PRINTF ("\nBreakpoint at 0x%" PRIxADDR " cleared.\n", addr);

    }

  else

    {

      add_breakpoint (addr);

      PRINTF ("\nBreakpoint at 0x%" PRIxADDR " set.\n", addr);

    }

  return;

}       /* set_insnbrkpoint () */