1 /*
2 * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28 /*
29 * @OSF_COPYRIGHT@
30 */
31 /*
32 * Mach Operating System
33 * Copyright (c) 1991,1990,1989 Carnegie Mellon University
34 * All Rights Reserved.
35 *
36 * Permission to use, copy, modify and distribute this software and its
37 * documentation is hereby granted, provided that both the copyright
38 * notice and this permission notice appear in all copies of the
39 * software, derivative works or modified versions, and any portions
40 * thereof, and that both notices appear in supporting documentation.
41 *
42 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
43 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
44 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
45 *
46 * Carnegie Mellon requests users of this software to return to
47 *
48 * Software Distribution Coordinator or [email protected]
49 * School of Computer Science
50 * Carnegie Mellon University
51 * Pittsburgh PA 15213-3890
52 *
53 * any improvements or extensions that they make and grant Carnegie Mellon
54 * the rights to redistribute these changes.
55 */
56 /*
57 */
58 /*
59 * Author: David B. Golub, Carnegie Mellon University
60 * Date: 8/89
61 *
62 * Initialize device service as part of kernel task.
63 */
64
65 #include <mach/mach_types.h>
66 #include <mach/port.h>
67
68 #include <ipc/ipc_types.h>
69 #include <ipc/ipc_port.h>
70 #include <ipc/ipc_space.h>
71
72 #include <kern/kern_types.h>
73 #include <kern/host.h>
74 #include <kern/ipc_kobject.h>
75 #include <kern/startup.h>
76 #include <kern/task.h>
77 #include <kern/misc_protos.h>
78
79 #include <device/device_types.h>
80 #include <device/device_port.h>
81
82 static SECURITY_READ_ONLY_LATE(void *) main_device_kobject;
83 SECURITY_READ_ONLY_LATE(ipc_port_t) main_device_port;
84
85 IPC_KOBJECT_DEFINE(IKOT_MAIN_DEVICE,
86 .iko_op_stable = true,
87 .iko_op_permanent = true);
88
89 void
device_service_create(void)90 device_service_create(void)
91 {
92 main_device_port = ipc_kobject_alloc_port(
93 (ipc_kobject_t)&main_device_kobject, IKOT_MAIN_DEVICE,
94 IPC_KOBJECT_ALLOC_NONE);
95
96 kernel_set_special_port(host_priv_self(), HOST_IO_MAIN_PORT,
97 ipc_kobject_make_send(main_device_port, &main_device_kobject,
98 IKOT_MAIN_DEVICE));
99 }
100