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
46typedef struct _cpu cpu;
47typedef struct _psim psim;
48typedef struct _device device;
49typedef struct _device_instance device_instance;
50typedef struct _event_queue event_queue;
51typedef struct _event_entry_tag *event_entry_tag;
52
53
54/* many things are moving data between the host and target */
55
56typedef enum {
57  cooked_transfer,
58  raw_transfer,
59} transfer_mode;
60
61
62/* possible exit statuses */
63
64typedef 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
71typedef enum {
72  permenant_object,
73  tempoary_object,
74} object_disposition;
75
76
77/* directions */
78
79typedef 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_ */
140