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/* Generic register read/write.

   Copyright (C) 1998, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.

   Contributed by Cygnus Solutions.

This file is part of GDB, the GNU debugger.

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/>.  */

#include "sim-main.h"

#include "sim-assert.h"

/* Generic implementation of sim_fetch_register for simulators using

   CPU_REG_FETCH.

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

/* ??? Obviously the interface needs to be extended to handle multiple

   cpus.  */

int

sim_fetch_register (SIM_DESC sd, int rn, unsigned char *buf, int length)

{

  SIM_CPU *cpu = STATE_CPU (sd, 0);

  SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);

  return (* CPU_REG_FETCH (cpu)) (cpu, rn, buf, length);

}

/* Generic implementation of sim_store_register for simulators using

   CPU_REG_STORE.

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

/* ??? Obviously the interface needs to be extended to handle multiple

   cpus.  */

int

sim_store_register (SIM_DESC sd, int rn, unsigned char *buf, int length)

{

  SIM_CPU *cpu = STATE_CPU (sd, 0);

  SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);

  return (* CPU_REG_STORE (cpu)) (cpu, rn, buf, length);

}