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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [sim/] [lm32/] [sim-main.h] - Rev 834

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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/>.  */
 
/* Main header for the LM32 simulator.  */
 
#ifndef SIM_MAIN_H
#define SIM_MAIN_H
 
#define USING_SIM_BASE_H	/* FIXME: quick hack */
 
struct _sim_cpu;		/* FIXME: should be in sim-basics.h */
typedef struct _sim_cpu SIM_CPU;
 
#include "symcat.h"
#include "sim-basics.h"
#include "cgen-types.h"
#include "lm32-desc.h"
#include "lm32-opc.h"
#include "arch.h"
 
/* These must be defined before sim-base.h.  */
typedef USI sim_cia;
 
#define CIA_GET(cpu)     CPU_PC_GET (cpu)
#define CIA_SET(cpu,val) CPU_PC_SET ((cpu), (val))
 
#define SIM_ENGINE_HALT_HOOK(sd, cpu, cia) \
do { \
  if (cpu) /* null if ctrl-c */ \
    sim_pc_set ((cpu), (cia)); \
} while (0)
#define SIM_ENGINE_RESTART_HOOK(sd, cpu, cia) \
do { \
  sim_pc_set ((cpu), (cia)); \
} while (0)
 
#include "sim-base.h"
#include "cgen-sim.h"
#include "lm32-sim.h"
#include "opcode/cgen.h"

/* The _sim_cpu struct.  */
 
struct _sim_cpu
{
  /* sim/common cpu base.  */
  sim_cpu_base base;
 
  /* Static parts of cgen.  */
  CGEN_CPU cgen_cpu;
 
  /* CPU specific parts go here.
     Note that in files that don't need to access these pieces WANT_CPU_FOO
     won't be defined and thus these parts won't appear.  This is ok in the
     sense that things work.  It is a source of bugs though.
     One has to of course be careful to not take the size of this
     struct and no structure members accessed in non-cpu specific files can
     go after here.  Oh for a better language.  */
#if defined (WANT_CPU_LM32BF)
  LM32BF_CPU_DATA cpu_data;
#endif
 
};

/* The sim_state struct.  */
 
struct sim_state
{
  sim_cpu *cpu;
#define STATE_CPU(sd, n) (/*&*/ (sd)->cpu)
 
  CGEN_STATE cgen_state;
 
  sim_state_base base;
};

/* Misc.  */
 
/* Catch address exceptions.  */
extern SIM_CORE_SIGNAL_FN lm32_core_signal;
#define SIM_CORE_SIGNAL(SD,CPU,CIA,MAP,NR_BYTES,ADDR,TRANSFER,ERROR) \
lm32_core_signal ((SD), (CPU), (CIA), (MAP), (NR_BYTES), (ADDR), \
		  (TRANSFER), (ERROR))
 
#endif /* SIM_MAIN_H */
 

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