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[deliverable/binutils-gdb.git] / sim / frv / sim-main.h

/* frv simulator support code
   Copyright (C) 1998-2022 Free Software Foundation, Inc.
   Contributed by Red Hat.

This file is part of the GNU simulators.

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 FRV_SIM_MAIN_H
#define FRV_SIM_MAIN_H

/* Main header for the frv.  */

/* This is a global setting.  Different cpu families can't mix-n-match -scache
   and -pbb.  However some cpu families may use -simple while others use
   one of -scache/-pbb. ???? */
#define WITH_SCACHE_PBB 0

#include "symcat.h"
#include "sim-basics.h"
#include "cgen-types.h"
#include "frv-desc.h"
#include "frv-opc.h"
#include "arch.h"

#define SIM_ENGINE_HALT_HOOK(SD, LAST_CPU, CIA) \
  frv_sim_engine_halt_hook ((SD), (LAST_CPU), (CIA))

#define SIM_ENGINE_RESTART_HOOK(SD, LAST_CPU, CIA)

#include "sim-base.h"
#include "cgen-sim.h"
#include "frv-sim.h"
#include "cache.h"
#include "registers.h"
#include "profile.h"

void frv_sim_engine_halt_hook (SIM_DESC, SIM_CPU *, sim_cia);

extern void frv_sim_close (SIM_DESC sd, int quitting);
#define SIM_CLOSE_HOOK(...) frv_sim_close (__VA_ARGS__)
\f
/* 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_FRVBF)
  FRVBF_CPU_DATA cpu_data;

  /* Control information for registers */
  FRV_REGISTER_CONTROL register_control;
#define CPU_REGISTER_CONTROL(cpu) (& (cpu)->register_control)

  FRV_VLIW vliw;
#define CPU_VLIW(cpu) (& (cpu)->vliw)

  FRV_CACHE insn_cache;
#define CPU_INSN_CACHE(cpu) (& (cpu)->insn_cache)

  FRV_CACHE data_cache;
#define CPU_DATA_CACHE(cpu) (& (cpu)->data_cache)

  FRV_PROFILE_STATE profile_state;
#define CPU_PROFILE_STATE(cpu) (& (cpu)->profile_state)

  int debug_state;
#define CPU_DEBUG_STATE(cpu) ((cpu)->debug_state)

  SI load_address;
#define CPU_LOAD_ADDRESS(cpu) ((cpu)->load_address)

  SI load_length;
#define CPU_LOAD_LENGTH(cpu) ((cpu)->load_length)

  SI load_flag;
#define CPU_LOAD_SIGNED(cpu) ((cpu)->load_flag)
#define CPU_LOAD_LOCK(cpu) ((cpu)->load_flag)

  SI store_flag;
#define CPU_RSTR_INVALIDATE(cpu) ((cpu)->store_flag)

  unsigned long elf_flags;
#define CPU_ELF_FLAGS(cpu) ((cpu)->elf_flags)
#endif /* defined (WANT_CPU_FRVBF) */
};
\f
/* Misc.  */

/* Catch address exceptions.  */
extern SIM_CORE_SIGNAL_FN frv_core_signal;
#define SIM_CORE_SIGNAL(SD,CPU,CIA,MAP,NR_BYTES,ADDR,TRANSFER,ERROR) \
frv_core_signal ((SD), (CPU), (CIA), (MAP), (NR_BYTES), (ADDR), \
		  (TRANSFER), (ERROR))

/* Default memory size.  */
#define FRV_DEFAULT_MEM_SIZE 0x800000 /* 8M */

void frvbf_model_branch (SIM_CPU *, PCADDR, int hint);
void frvbf_perform_writeback (SIM_CPU *);

#endif