1/* $NetBSD: bugsyscalls.S,v 1.1 2002/02/27 21:02:27 scw 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39#include <machine/asm.h> 40 41#define BSYS(num) addi r10,0,num ; sc 42 43 44/* 45 * char bugsys_inchr(void); 46 * 47 * Blocks until a character is received from the console. 48 * Returns character. 49 */ 50ENTRY(bugsys_inchr) 51 BSYS(0x0000) 52 blr 53 54/* 55 * void bugsys_outchr(char ch) 56 */ 57ENTRY(bugsys_outchr) 58 BSYS(0x0020) 59 blr 60 61/* 62 * int bugsys_instat(void); 63 * 64 * Returns zero if no characters are waiting to be read 65 * from the console. (i.e. bugsys_inchr() would block). 66 * Otherwise, it returns a non-zero value. 67 */ 68ENTRY(bugsys_instat) 69 BSYS(0x0002) 70 li r4,0x8 71 and r3,r3,r4 72 blr 73 74/* 75 * int bugsys_dskrd(struct bug_diskio *dcmd); 76 * 77 * Read data from disk according to the parameters specified 78 * in the `dcmd' data structure. 79 * 80 * Returns zero on success, non-zero on failure. 81 */ 82ENTRY(bugsys_dskrd) 83 BSYS(0x0010) 84 li r4,0x8 85 and r3,r3,r4 86 blr 87 88/* 89 * int bugsys_dskwr(struct bug_diskio *dcmd); 90 * 91 * Write data to disk according to the parameters specified 92 * in the `dcmd' data structure. 93 * 94 * Returns zero on success, non-zero on failure. 95 */ 96ENTRY(bugsys_dskwr) 97 BSYS(0x0011) 98 li r4,0x8 99 and r3,r3,r4 100 blr 101 102/* 103 * int bugsys_netio(struct bug_netcmd *ncmd); 104 * 105 * Performs an I/O operation to/from a network device as 106 * specified in the `ncmd' data structure. 107 * 108 * Returns zero on success, non-zero on failure. 109 */ 110ENTRY(bugsys_netio) 111 BSYS(0x001d) 112 li r4,0x8 113 and r3,r3,r4 114 blr 115 116/* 117 * void bugsys_delay(int ); 118 * 119 * Suspend processing for the specified number of milli-seconds 120 */ 121ENTRY(bugsys_delay) 122 BSYS(0x0043) 123 blr 124 125/* 126 * struct bug_boardid *bugsys_brdid(void); 127 * 128 * Returns a pointer to the board-id structure. 129 */ 130ENTRY(bugsys_brdid) 131 BSYS(0x0070) 132 blr 133 134/* 135 * struct bug_ioinquiry *bugsys_ioinq(void); 136 * 137 * Returns a pointer to the ioinq structure. 138 */ 139ENTRY(bugsys_ioinq) 140 BSYS(0x0120) 141 blr 142 143/* 144 * void bugsys_rtc_rd(struct bug_rtc_rd *); 145 * 146 * Reads the current time from the RTC chip. 147 */ 148ENTRY(bugsys_rtc_rd) 149 BSYS(0x0053) 150 blr 151