1/*	$NetBSD: bugsyscalls.S,v 1.3 2011/01/19 09:03:15 he Exp $	*/
2
3/*-
4 * Copyright (c) 2002 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Steve C. Woodford.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <machine/asm.h>
33
34#define	BSYS(num)	addi %r10,0,num ; sc
35
36
37/*
38 * char bugsys_inchr(void);
39 *
40 * Blocks until a character is received from the console.
41 * Returns character.
42 */
43ENTRY(bugsys_inchr)
44	BSYS(0x0000)
45	blr
46
47/*
48 * void bugsys_outchr(char ch)
49 */
50ENTRY(bugsys_outchr)
51	BSYS(0x0020)
52	blr
53
54/*
55 * int bugsys_instat(void);
56 *
57 * Returns zero if no characters are waiting to be read
58 * from the console. (i.e. bugsys_inchr() would block).
59 * Otherwise, it returns a non-zero value.
60 */
61ENTRY(bugsys_instat)
62	BSYS(0x0002)
63	li	%r4,0x8
64	and	%r3,%r3,%r4
65	blr
66
67/*
68 * int bugsys_dskrd(struct bug_diskio *dcmd);
69 *
70 * Read data from disk according to the parameters specified
71 * in the `dcmd' data structure.
72 *
73 * Returns zero on success, non-zero on failure.
74 */
75ENTRY(bugsys_dskrd)
76	BSYS(0x0010)
77	li	%r4,0x8
78	and	%r3,%r3,%r4
79	blr
80
81/*
82 * int bugsys_dskwr(struct bug_diskio *dcmd);
83 *
84 * Write data to disk according to the parameters specified
85 * in the `dcmd' data structure.
86 *
87 * Returns zero on success, non-zero on failure.
88 */
89ENTRY(bugsys_dskwr)
90	BSYS(0x0011)
91	li	%r4,0x8
92	and	%r3,%r3,%r4
93	blr
94
95/*
96 * int bugsys_netio(struct bug_netcmd *ncmd);
97 *
98 * Performs an I/O operation to/from a network device as
99 * specified in the `ncmd' data structure.
100 *
101 * Returns zero on success, non-zero on failure.
102 */
103ENTRY(bugsys_netio)
104	BSYS(0x001d)
105	li	%r4,0x8
106	and	%r3,%r3,%r4
107	blr
108
109/*
110 * void bugsys_delay(int );
111 *
112 * Suspend processing for the specified number of milli-seconds
113 */
114ENTRY(bugsys_delay)
115	BSYS(0x0043)
116	blr
117
118/*
119 * struct bug_boardid *bugsys_brdid(void);
120 *
121 * Returns a pointer to the board-id structure.
122 */
123ENTRY(bugsys_brdid)
124	BSYS(0x0070)
125	blr
126
127/*
128 * struct bug_ioinquiry *bugsys_ioinq(void);
129 *
130 * Returns a pointer to the ioinq structure.
131 */
132ENTRY(bugsys_ioinq)
133	BSYS(0x0120)
134	blr
135
136/*
137 * void bugsys_rtc_rd(struct bug_rtc_rd *);
138 *
139 * Reads the current time from the RTC chip.
140 */
141ENTRY(bugsys_rtc_rd)
142	BSYS(0x0053)
143	blr
144