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144 lines
3.4 KiB
ArmAsm
144 lines
3.4 KiB
ArmAsm
/* $NetBSD: bugsyscalls.S,v 1.3 2011/01/19 09:03:15 he Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Steve C. Woodford.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <machine/asm.h>
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#define BSYS(num) addi %r10,0,num ; sc
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/*
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* char bugsys_inchr(void);
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*
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* Blocks until a character is received from the console.
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* Returns character.
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*/
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ENTRY(bugsys_inchr)
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BSYS(0x0000)
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blr
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/*
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* void bugsys_outchr(char ch)
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*/
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ENTRY(bugsys_outchr)
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BSYS(0x0020)
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blr
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/*
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* int bugsys_instat(void);
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*
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* Returns zero if no characters are waiting to be read
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* from the console. (i.e. bugsys_inchr() would block).
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* Otherwise, it returns a non-zero value.
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*/
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ENTRY(bugsys_instat)
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BSYS(0x0002)
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li %r4,0x8
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and %r3,%r3,%r4
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blr
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/*
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* int bugsys_dskrd(struct bug_diskio *dcmd);
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*
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* Read data from disk according to the parameters specified
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* in the `dcmd' data structure.
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*
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* Returns zero on success, non-zero on failure.
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*/
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ENTRY(bugsys_dskrd)
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BSYS(0x0010)
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li %r4,0x8
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and %r3,%r3,%r4
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blr
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/*
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* int bugsys_dskwr(struct bug_diskio *dcmd);
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*
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* Write data to disk according to the parameters specified
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* in the `dcmd' data structure.
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*
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* Returns zero on success, non-zero on failure.
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*/
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ENTRY(bugsys_dskwr)
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BSYS(0x0011)
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li %r4,0x8
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and %r3,%r3,%r4
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blr
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/*
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* int bugsys_netio(struct bug_netcmd *ncmd);
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*
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* Performs an I/O operation to/from a network device as
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* specified in the `ncmd' data structure.
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*
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* Returns zero on success, non-zero on failure.
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*/
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ENTRY(bugsys_netio)
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BSYS(0x001d)
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li %r4,0x8
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and %r3,%r3,%r4
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blr
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/*
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* void bugsys_delay(int );
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*
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* Suspend processing for the specified number of milli-seconds
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*/
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ENTRY(bugsys_delay)
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BSYS(0x0043)
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blr
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/*
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* struct bug_boardid *bugsys_brdid(void);
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*
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* Returns a pointer to the board-id structure.
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*/
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ENTRY(bugsys_brdid)
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BSYS(0x0070)
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blr
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/*
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* struct bug_ioinquiry *bugsys_ioinq(void);
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*
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* Returns a pointer to the ioinq structure.
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*/
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ENTRY(bugsys_ioinq)
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BSYS(0x0120)
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blr
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/*
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* void bugsys_rtc_rd(struct bug_rtc_rd *);
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*
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* Reads the current time from the RTC chip.
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*/
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ENTRY(bugsys_rtc_rd)
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BSYS(0x0053)
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blr
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