lxdream 0.9.1| filename | src/syscall.h |
| changeset | 1100:50e702af9373 |
| prev | 1014:f5914b2fd0db |
| next | 1296:30ecee61f811 |
| author | nkeynes |
| date | Mon Feb 15 17:27:14 2010 +1000 (13 years ago) |
| permissions | -rw-r--r-- |
| last change | Hook up the fake bios boot Use fakebios if invoked with -b, or if there's no boot rom loaded |
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1 /**
2 * $Id$
3 *
4 * Generic syscall support - ability to add hooks into SH4 code to call out
5 * to the emu.
6 *
7 * Copyright (c) 2005 Nathan Keynes.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 */
19 #ifndef lxdream_syscall_H
20 #define lxdream_syscall_H 1
22 #include <stdint.h>
23 #include <glib/gtypes.h>
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
30 typedef void (*syscall_hook_func_t)( uint32_t hook_id );
33 /**
34 * Define a new hook without an indirect vector
35 */
36 void syscall_add_hook( uint32_t hook_id, syscall_hook_func_t hook );
38 /**
39 * Define a new hook which indirects through the specified vector address
40 * (which must be somewhere in main SH4 ram).
41 */
42 void syscall_add_hook_vector( uint32_t hook_id, uint32_t vector_addr,
43 syscall_hook_func_t hook );
45 /**
46 * Invoke a syscall from the SH4
47 */
48 void syscall_invoke( uint32_t hook_id );
50 /**
51 * Repatch all syscall vectors (eg in case of system reset)
52 */
53 void syscall_repatch_vectors( );
55 /************************ Standard syscall hacks ************************/
57 /**
58 * Install the BIOS emu hack into ram (sets the vectors at 8C0000B0 through
59 * 8C0000C0)
60 */
61 void bios_install( void );
63 void bios_boot( uint32_t syscallid );
65 /**
66 * Install the DCLoad syscall hack
67 */
68 void dcload_install( void );
70 /**
71 * Set the flag that indicates whether the dcload exit() syscall will be
72 * honoured by exiting the VM.
73 */
74 void dcload_set_allow_unsafe( gboolean allow );
76 #define IS_SYSCALL(pc) (((uint32_t)pc)>=0xFFFFFF00)
78 #ifdef __cplusplus
79 }
80 #endif
82 #endif /* !lxdream_syscall_H */
.