gnu/dist/gdb6/sim/mn10300/sim-main.h

   1 /*  This file is part of the program psim.
   2
   3     Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>
   4     Copyright (C) 1997, Free Software Foundation
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19
  20     */
  21
  22
  23 #ifndef SIM_MAIN_H
  24 #define SIM_MAIN_H
  25
  26 #define WITH_CORE
  27 #define WITH_WATCHPOINTS 1
  28 #define SIM_HANDLES_LMA 1
  29
  30 #define SIM_ENGINE_HALT_HOOK(SD,LAST_CPU,CIA) 0 /* disable this hook */
  31
  32 #include "sim-basics.h"
  33 #include "sim-signal.h"
  34
  35 #include <signal.h> /* For kill() in insns:do_trap */
  36
  37 #include <errno.h>
  38 #ifdef HAVE_UNISTD_H
  39 #include <unistd.h>
  40 #endif
  41
  42 /* These are generated files.  */
  43 #include "itable.h"
  44 #include "idecode.h"
  45
  46 typedef instruction_address sim_cia;
  47 static const sim_cia null_cia = {0}; /* Dummy */
  48 #define NULL_CIA null_cia
  49 /* FIXME: Perhaps igen should generate access macros for
  50    `instruction_address' that we could use.  */
  51 /*#define CIA_ADDR(cia) ((cia).ip) doesn't work for mn10300*/
  52
  53 #define WITH_WATCHPOINTS 1
  54
  55 #define SIM_CORE_SIGNAL(SD,CPU,CIA,MAP,NR_BYTES,ADDR,TRANSFER,ERROR)  \
  56 mn10300_core_signal ((SD), (CPU), (CIA), (MAP), (NR_BYTES), (ADDR), (TRANSFER), (ERROR))
  57
  58
  59 #include "sim-base.h"
  60
  61 #include "mn10300_sim.h"
  62
  63 /* Bring data in from the cold */
  64
  65 #define IMEM8(EA) \
  66 (sim_core_read_aligned_1(STATE_CPU(sd, 0), EA, exec_map, (EA)))
  67
  68 #define IMEM8_IMMED(EA, N) \
  69 (sim_core_read_aligned_1(STATE_CPU(sd, 0), EA, exec_map, (EA) + (N)))
  70
  71
  72 /* FIXME: For moment, save/restore PC value found in struct State.
  73    Struct State will one day go away, being placed in the sim_cpu
  74    state. */
  75 #define CIA_GET(CPU) ((PC) + 0)
  76 #define CIA_SET(CPU,VAL) ((CPU)->cia = (VAL), PC = (VAL))
  77
  78
  79 struct _sim_cpu {
  80   sim_event *pending_nmi;
  81   sim_cia cia;
  82   sim_cpu_base base;
  83 };
  84
  85
  86 struct sim_state {
  87
  88   /* the processors proper */
  89   sim_cpu cpu;
  90 #define STATE_CPU(sd, n) (&(sd)->cpu)
  91
  92   /* The base class.  */
  93   sim_state_base base;
  94
  95 };
  96
  97 /* For compatibility, until all functions converted to passing
  98    SIM_DESC as an argument */
  99 extern SIM_DESC simulator;
 100
 101 /* (re) initialize the simulator */
 102
 103 extern void engine_init(SIM_DESC sd);
 104 extern SIM_CORE_SIGNAL_FN mn10300_core_signal;
 105
 106 #endif