Subversion Repositories openrisc_2011-10-31

/*  This file is part of the program psim.

    Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>

    Copyright (C) 1997, Free Software Foundation

    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/>.

    */

#ifndef SIM_MAIN_H

#define SIM_MAIN_H

#define WITH_CORE

#define WITH_WATCHPOINTS 1

#define SIM_HANDLES_LMA 1

#define SIM_ENGINE_HALT_HOOK(SD,LAST_CPU,CIA) 0 /* disable this hook */

#include "sim-basics.h"

#include "sim-signal.h"

#include <signal.h> /* For kill() in insns:do_trap */

#include <errno.h>

#ifdef HAVE_UNISTD_H

#include <unistd.h>

#endif

/* These are generated files.  */

#include "itable.h"

#include "idecode.h"

typedef instruction_address sim_cia;

static const sim_cia null_cia = {0}; /* Dummy */

#define NULL_CIA null_cia

/* FIXME: Perhaps igen should generate access macros for

   `instruction_address' that we could use.  */

/*#define CIA_ADDR(cia) ((cia).ip) doesn't work for mn10300*/

#define WITH_WATCHPOINTS 1

#define SIM_CORE_SIGNAL(SD,CPU,CIA,MAP,NR_BYTES,ADDR,TRANSFER,ERROR)  \

mn10300_core_signal ((SD), (CPU), (CIA), (MAP), (NR_BYTES), (ADDR), (TRANSFER), (ERROR))

#include "sim-base.h"

#include "mn10300_sim.h"

/* Bring data in from the cold */

#define IMEM8(EA) \

(sim_core_read_aligned_1(STATE_CPU(sd, 0), EA, exec_map, (EA)))

#define IMEM8_IMMED(EA, N) \

(sim_core_read_aligned_1(STATE_CPU(sd, 0), EA, exec_map, (EA) + (N)))

/* FIXME: For moment, save/restore PC value found in struct State.

   Struct State will one day go away, being placed in the sim_cpu

   state. */

#define CIA_GET(CPU) ((PC) + 0)

#define CIA_SET(CPU,VAL) ((CPU)->cia = (VAL), PC = (VAL))

struct _sim_cpu {

  sim_event *pending_nmi;

  sim_cia cia;

  sim_cpu_base base;

};

struct sim_state {

  /* the processors proper */

  sim_cpu cpu;

#define STATE_CPU(sd, n) (&(sd)->cpu)

  /* The base class.  */

  sim_state_base base;

};

/* For compatibility, until all functions converted to passing

   SIM_DESC as an argument */

extern SIM_DESC simulator;

/* (re) initialize the simulator */

extern void engine_init(SIM_DESC sd);

extern SIM_CORE_SIGNAL_FN mn10300_core_signal;

#endif