xref: /src/sys/arch/mac68k/dev/adbsysasm.s

/*	$NetBSD: adbsysasm.s,v 1.13 2020/05/31 09:00:25 rin Exp $	*/

/*-
 * Copyright (C) 1994	Bradley A. Grantham
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "opt_adb.h"
#include "akbd.h"
#include "ams.h"
#include <machine/asm.h>

/*
 * ADB subsystem routines in assembly
 */

/* This routine is called when a keyboard has sent us some data. */
/* (provided it has been set up with SetADBInfo) */
GLOBAL(adb_kbd_asmcomplete)
#if NAKBD > 0
	moveml	#0x80e0,%sp@-	| save scratch regs
	movl	%d0,%sp@-	/* ADB command byte */
	movl	%a2,%sp@-	/* data area pointer */
	/*	%a1 is the pointer to this routine itself. */
	movl	%a0,%sp@-	/* device data buffer */
	jbsr	_C_LABEL(kbd_adbcomplete)
	addl	#12,%sp		/* pop params */
	moveml	%sp@+,#0x0701	| restore scratch regs
#endif
	rts

/* This routine is called when a mouse has sent us some data. */
/* (provided it has been set up with SetADBInfo) */
GLOBAL(adb_ms_asmcomplete)
#if NAMS > 0
	moveml	#0x80e0,%sp@-	| save scratch regs
	movl	%d0,%sp@-	/* ADB command byte */
	movl	%a2,%sp@-	/* data area pointer */
	/*	%a1 is the pointer to this routine itself. */
	movl	%a0,%sp@-	/* device data buffer */
	jbsr	_C_LABEL(ms_adbcomplete)
	addl	#12,%sp		/* pop params */
	moveml	%sp@+,#0x0701	| restore scratch regs
#endif
	rts

#if defined(ADB_DEBUG) && 0
GLOBAL(adb_jadbprochello)
	.asciz	"adb: hello from adbproc\n"
	.even
#endif

GLOBAL(adb_jadbproc)
#if defined(ADB_DEBUG) && 0
	moveml	#0xc0c0,%sp@-	| save scratch regs
	movl	_C_LABEL(adb_jadbprochello),%sp@-
	jbsr	_C_LABEL(printf)
	addl	#4,%sp		/* pop params */
	moveml	%sp@+,#0x0303	| restore scratch regs
#endif
		/* Don't do anything; adbattach fixes dev info for us. */
	rts

	/* ADBOp's completion routine used by extdms_init() in adbsys.c. */
GLOBAL(extdms_complete)
	movl	#-1,%a2@	| set done flag
	rts