filename | src/dream.h |
changeset | 135:2b05ea3d87c1 |
prev | 119:cef4d880123c |
next | 180:e6dcf9b65658 |
author | nkeynes |
date | Mon May 15 08:28:52 2006 +0000 (17 years ago) |
permissions | -rw-r--r-- |
last change | Rename video_driver to display_driver Add input source to display Implement configuration file support Hook controllers up to configuration |
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1 /**
2 * $Id: dream.h,v 1.9 2006-04-30 01:48:38 nkeynes Exp $
3 *
4 * Miscellaneous application-wide declarations (mainly logging atm)
5 *
6 * Copyright (c) 2005 Nathan Keynes.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
19 #ifndef dream_H
20 #define dream_H 1
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <stdint.h>
25 #include <string.h>
26 #include <glib/gtypes.h>
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
32 /************************ Modules ********************************/
33 /**
34 * Basic module structure defining the common operations across all
35 * modules, ie start, stop, reset, etc.
36 */
37 typedef struct dreamcast_module {
38 char *name;
39 /**
40 * Perform all initial module setup (ie register / allocate any
41 * memory required, etc). Only called once during DreamOn startup
42 */
43 void (*init)();
44 /**
45 * Reset the module into it's initial system boot state. Will be called
46 * once after init(), as well as whenever the user requests a reset.
47 */
48 void (*reset)();
49 /**
50 * Set the module into a running state (may be NULL)
51 */
52 void (*start)();
53 /**
54 * Execute one time-slice worth of operations, for the given number of
55 * nanoseconds.
56 * @return Number of nanoseconds actually executed
57 */
58 uint32_t (*run_time_slice)( uint32_t nanosecs );
59 /**
60 * Set the module into a stopped state (may be NULL)
61 */
62 void (*stop)();
63 /**
64 * Save the module state to the FILE stream. May be NULL, in which case
65 * the module is considered to have no state.
66 */
67 void (*save)(FILE *);
68 /**
69 * Load the saved module state from the FILE stream. May be NULL, in which
70 * case reset() will be called instead.
71 * @return 0 on success, nonzero on failure.
72 */
73 int (*load)(FILE *);
74 } *dreamcast_module_t;
76 void dreamcast_register_module( dreamcast_module_t );
78 extern struct dreamcast_module mem_module;
79 extern struct dreamcast_module sh4_module;
80 extern struct dreamcast_module asic_module;
81 extern struct dreamcast_module pvr2_module;
82 extern struct dreamcast_module aica_module;
83 extern struct dreamcast_module ide_module;
84 extern struct dreamcast_module maple_module;
85 extern struct dreamcast_module pvr2_module;
86 extern struct dreamcast_module gui_module;
87 extern struct dreamcast_module unknown_module;
89 /*************************** Logging **************************/
91 #define EMIT_FATAL 0
92 #define EMIT_ERR 1
93 #define EMIT_WARN 2
94 #define EMIT_INFO 3
95 #define EMIT_DEBUG 4
96 #define EMIT_TRACE 5
98 #ifndef MODULE
99 #define MODULE unknown_module
100 #endif
102 void emit( void *, int level, const char *source, const char *msg, ... );
104 #define FATAL( ... ) emit( NULL, EMIT_FATAL, MODULE.name, __VA_ARGS__ )
105 #define ERROR( ... ) emit( NULL, EMIT_ERR, MODULE.name, __VA_ARGS__ )
106 #define WARN( ... ) emit( NULL, EMIT_WARN, MODULE.name, __VA_ARGS__ )
107 #define INFO( ... ) emit( NULL, EMIT_INFO, MODULE.name, __VA_ARGS__ )
108 #define DEBUG( ... ) emit( NULL, EMIT_DEBUG, MODULE.name, __VA_ARGS__ )
109 #define TRACE( ... ) emit( NULL, EMIT_TRACE, MODULE.name, __VA_ARGS__ )
111 #define BIOS_PATH "../bios"
113 void fwrite_string( char *s, FILE *f );
114 int fread_string( char *s, int maxlen, FILE *f );
115 void fwrite_dump( unsigned char *buf, unsigned int length, FILE *f );
117 #ifndef max
118 #define max(a,b) ( (a) > (b) ? (a) : (b) )
119 #endif
121 #ifdef __cplusplus
122 }
123 #endif
124 #endif
.