sim/ppc/basics.h

   1 /*  This file is part of the program psim.
   2
   3     Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18
  19     */
  20
  21
  22 #ifndef _BASICS_H_
  23 #define _BASICS_H_
  24
  25
  26 /* from Michael Meissner, macro's to handle concating symbols better */
  27
  28 #if defined(__STDC__) || defined(ALMOST_STDC)
  29 #define CONCAT2(a,b)     a##b
  30 #define CONCAT3(a,b,c)   a##b##c
  31 #define CONCAT4(a,b,c,d) a##b##c##d
  32 #else
  33 #define CONCAT2(a,b)     a/**/b
  34 #define CONCAT3(a,b,c)   a/**/b/**/c
  35 #define CONCAT4(a,b,c,d) a/**/b/**/c/**/d
  36 #endif
  37
  38 #define XCONCAT2(a,b)     CONCAT2(a,b)
  39 #define XCONCAT3(a,b,c)   CONCAT3(a,b,c)
  40 #define XCONCAT4(a,b,c,d) CONCAT4(a,b,c,d)
  41
  42
  43 /* many things pass around the cpu and psim object with out knowing
  44    what it is */
  45
  46 typedef struct _cpu cpu;
  47 typedef struct _psim psim;
  48 typedef struct _device device;
  49 typedef struct _device_instance device_instance;
  50 typedef struct _event_queue event_queue;
  51 typedef struct _event_entry_tag *event_entry_tag;
  52
  53
  54 /* many things are moving data between the host and target */
  55
  56 typedef enum {
  57   cooked_transfer,
  58   raw_transfer,
  59 } transfer_mode;
  60
  61
  62 /* possible exit statuses */
  63
  64 typedef enum {
  65   was_continuing, was_trap, was_exited, was_signalled
  66 } stop_reason;
  67
  68
  69 /* disposition of an object when things are next restarted */
  70
  71 typedef enum {
  72   permenant_object,
  73   tempoary_object,
  74 } object_disposition;
  75
  76
  77 /* directions */
  78
  79 typedef enum {
  80   bidirect_port,
  81   input_port,
  82   output_port,
  83 } port_direction;
  84
  85
  86
  87 /* Basic configuration */
  88
  89 #include "config.h"
  90 #include "ppc-config.h"
  91 #include "inline.h"
  92
  93
  94 /* Basic host dependant mess - hopefully <stdio.h> + <stdarg.h> will
  95    bring potential conflicts out in the open */
  96
  97 #include <stdarg.h>
  98 #include <stdio.h>
  99
 100
 101 #ifndef NORETURN
 102 #define NORETURN
 103 #endif
 104
 105 #ifndef NULL
 106 #define NULL 0
 107 #endif
 108
 109 #if !defined (__attribute__)
 110 #if (!defined(__GNUC__) \
 111      || (__GNUC__ < 2) \
 112      || (__GNUC__ == 2 && __GNUC_MINOR__ < 6))
 113 #define __attribute__(arg)
 114 #endif
 115 #endif
 116
 117 #if !defined (UNUSED)
 118 #if (!defined(__GNUC__) \
 119      || (__GNUC__ < 2) \
 120      || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
 121 #define UNUSED
 122 #else
 123 #define UNUSED __attribute__((__unused__))
 124 #endif
 125 #endif
 126
 127
 128 /* Basic definitions - ordered so that nothing calls what comes after
 129    it */
 130
 131 #include "sim_callbacks.h"
 132
 133 #include "debug.h"
 134
 135 #include "words.h"
 136 #include "bits.h"
 137 #include "sim-endian.h"
 138
 139 #endif /* _BASICS_H_ */