sim/common/sim-basics.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, 1998, Free Software Foundation, Inc.
   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_BASICS_H_
  24 #define _SIM_BASICS_H_
  25
  26
  27 /* Basic configuration */
  28
  29 #ifdef HAVE_CONFIG_H
  30 #include "config.h"
  31 #endif
  32
  33 /* Basic host dependant mess - hopefully <stdio.h> + <stdarg.h> will
  34    bring potential conflicts out in the open */
  35
  36 #include <stdarg.h>
  37 #include <stdio.h>
  38 #include <setjmp.h>
  39
  40 #ifdef __CYGWIN32__
  41 extern int vasprintf (char **result, const char *format, va_list args);
  42 extern int asprintf (char **result, const char *format, ...);
  43 #endif
  44
  45
  46 #ifndef NULL
  47 #define NULL 0
  48 #endif
  49
  50
  51
  52 /* Some versions of GCC include an attribute operator, define it */
  53
  54 #if !defined (__attribute__)
  55 #if (!defined(__GNUC__) || (__GNUC__ < 2) || (__GNUC__ == 2 && __GNUC_MINOR__ < 6))
  56 #define __attribute__(arg)
  57 #endif
  58 #endif
  59
  60
  61 /* Global types that code manipulates */
  62
  63 typedef struct _device device;
  64 struct hw;
  65 struct _sim_fpu;
  66
  67
  68 /* Generic address space (maps) and access attributes */
  69
  70 enum {
  71   read_map = 0,
  72   write_map = 1,
  73   exec_map = 2,
  74   io_map = 3,
  75   nr_maps = 32, /* something small */
  76 };
  77
  78 enum {
  79   access_invalid = 0,
  80   access_read = 1 << read_map,
  81   access_write = 1 << write_map,
  82   access_exec = 1 << exec_map,
  83   access_io = 1 << io_map,
  84 };
  85
  86 enum {
  87   access_read_write = (access_read | access_write),
  88   access_read_exec = (access_read | access_exec),
  89   access_write_exec = (access_write | access_exec),
  90   access_read_write_exec = (access_read | access_write | access_exec),
  91   access_read_io = (access_read | access_io),
  92   access_write_io = (access_write | access_io),
  93   access_read_write_io = (access_read | access_write | access_io),
  94   access_exec_io = (access_exec | access_io),
  95   access_read_exec_io = (access_read | access_exec | access_io),
  96   access_write_exec_io = (access_write | access_exec | access_io),
  97   access_read_write_exec_io = (access_read | access_write | access_exec | access_io),
  98 };
  99
 100
 101 /* disposition of an object when things are reset */
 102
 103 typedef enum {
 104   permenant_object,
 105   temporary_object,
 106 } object_disposition;
 107
 108
 109 /* Memory transfer types */
 110
 111 typedef enum _transfer_type {
 112   read_transfer,
 113   write_transfer,
 114 } transfer_type;
 115
 116
 117 /* directions */
 118
 119 typedef enum {
 120   bidirect_port,
 121   input_port,
 122   output_port,
 123 } port_direction;
 124
 125
 126 \f
 127 /* Basic definitions - ordered so that nothing calls what comes after it.  */
 128
 129 /* FIXME: conditionalizing tconfig.h on HAVE_CONFIG_H seems wrong.  */
 130 #ifdef HAVE_CONFIG_H
 131 #include "tconfig.h"
 132 #endif
 133
 134 #include "ansidecl.h"
 135 #include "callback.h"
 136 #include "remote-sim.h"
 137
 138 #include "sim-config.h"
 139
 140 #include "sim-inline.h"
 141
 142 #include "sim-types.h"
 143 #include "sim-bits.h"
 144 #include "sim-endian.h"
 145 #include "sim-signal.h"
 146 #include "sim-arange.h"
 147
 148 #include "sim-utils.h"
 149
 150 /* Note: Only the simpler interfaces are defined here.  More heavy
 151    weight objects, such as core and events, are defined in the more
 152    serious sim-base.h header. */
 153
 154 #endif /* _SIM_BASICS_H_ */