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80 lines
2.0 KiB
ArmAsm
80 lines
2.0 KiB
ArmAsm
/* $NetBSD: bios.S,v 1.1 2006/09/01 21:26:18 uwe Exp $ */
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/*-
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* Copyright (c) 2005 NONAKA Kimihiro
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* All rights reserved.
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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 REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <machine/asm.h>
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/*
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* int bioscons_getc(void);
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*/
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ENTRY(bioscons_getc)
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mov #0, r4
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mov #1, r0
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trapa #0x3f
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rts
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nop
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/*
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* void bioscons_putc(int c);
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*/
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ENTRY(bioscons_putc)
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mov #31, r0
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trapa #0x3f
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rts
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nop
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/*
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* int biosdisk_read(int dev, uint32_t blkaddr, void *buf, size_t nblks);
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*/
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ENTRY(biosdisk_read)
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mov #2, r0
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trapa #0x3f
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rts
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nop
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/*
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* void cache_enable(void);
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* void cache_flush(void);
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*/
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ENTRY(cache_enable)
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ENTRY(cache_flush)
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mov #0, r4
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mov #6, r0
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trapa #0x3f
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rts
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nop
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/*
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* void cache_disable(void);
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*/
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ENTRY(cache_disable)
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mov #1, r4
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mov #6, r0
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trapa #0x3f
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rts
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nop
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