Subversion Repositories openrisc_2011-10-31

/* CPU support.

   Copyright (C) 1998, 2007, 2008 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 "bfd.h"

/* Allocate space for all cpus in the simulator.

   Space for the cpu must currently exist prior to parsing ARGV.

   EXTRA_BYTES is additional space to allocate for the sim_cpu struct.  */

/* ??? wip.  better solution must wait.  */

SIM_RC

sim_cpu_alloc_all (SIM_DESC sd, int ncpus, int extra_bytes)

{

  int c;

  for (c = 0; c < ncpus; ++c)

    STATE_CPU (sd, c) = sim_cpu_alloc (sd, extra_bytes);

  return SIM_RC_OK;

}

/* Allocate space for a cpu object.

   EXTRA_BYTES is additional space to allocate for the sim_cpu struct.  */

sim_cpu *

sim_cpu_alloc (SIM_DESC sd, int extra_bytes)

{

  return zalloc (sizeof (sim_cpu) + extra_bytes);

}

/* Free all resources held by all cpus.  */

void

sim_cpu_free_all (SIM_DESC sd)

{

  int c;

  for (c = 0; c < MAX_NR_PROCESSORS; ++c)

    if (STATE_CPU (sd, c))

      sim_cpu_free (STATE_CPU (sd, c));

}

/* Free all resources used by CPU.  */

void

sim_cpu_free (sim_cpu *cpu)

{

  zfree (cpu);

}

/* PC utilities.  */

sim_cia

sim_pc_get (sim_cpu *cpu)

{

  return (* CPU_PC_FETCH (cpu)) (cpu);

}

void

sim_pc_set (sim_cpu *cpu, sim_cia newval)

{

  (* CPU_PC_STORE (cpu)) (cpu, newval);

}