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/* Lattice Mico32 simulator support code.

   Contributed by Jon Beniston <jon@beniston.com>

   Copyright (C) 2009, 2010 Free Software Foundation, Inc.

   This file is part of GDB.

   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/>.  */

#define WANT_CPU lm32bf

#define WANT_CPU_LM32BF

#include "sim-main.h"

#include "cgen-mem.h"

#include "cgen-ops.h"

/* The contents of BUF are in target byte order.  */

int

lm32bf_fetch_register (SIM_CPU * current_cpu, int rn, unsigned char *buf,

                       int len)

{

  if (rn < 32)

    SETTSI (buf, lm32bf_h_gr_get (current_cpu, rn));

  else

    switch (rn)

      {

      case SIM_LM32_PC_REGNUM:

        SETTSI (buf, lm32bf_h_pc_get (current_cpu));

        break;

      default:

        return 0;

      }

  return -1;

}

/* The contents of BUF are in target byte order.  */

int

lm32bf_store_register (SIM_CPU * current_cpu, int rn, unsigned char *buf,

                       int len)

{

  if (rn < 32)

    lm32bf_h_gr_set (current_cpu, rn, GETTSI (buf));

  else

    switch (rn)

      {

      case SIM_LM32_PC_REGNUM:

        lm32bf_h_pc_set (current_cpu, GETTSI (buf));

        break;

      default:

        return 0;

      }

  return -1;

}

#if WITH_PROFILE_MODEL_P

/* Initialize cycle counting for an insn.

   FIRST_P is non-zero if this is the first insn in a set of parallel

   insns.  */

void

lm32bf_model_insn_before (SIM_CPU * cpu, int first_p)

{

}

/* Record the cycles computed for an insn.

   LAST_P is non-zero if this is the last insn in a set of parallel insns,

   and we update the total cycle count.

   CYCLES is the cycle count of the insn.  */

void

lm32bf_model_insn_after (SIM_CPU * cpu, int last_p, int cycles)

{

}

int

lm32bf_model_lm32_u_exec (SIM_CPU * cpu, const IDESC * idesc,

                          int unit_num, int referenced)

{

  return idesc->timing->units[unit_num].done;

}

#endif /* WITH_PROFILE_MODEL_P */