adbsysasm.s revision 1.3
1/*	$NetBSD: adbsysasm.s,v 1.3 1996/10/11 00:24:39 christos Exp $	*/
2
3/*-
4 * Copyright (C) 1994	Bradley A. Grantham
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by Bradley A. Grantham.
18 * 4. The name of the author may not be used to endorse or promote products
19 *    derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33/*
34 * ADB subsystem routines in assembly
35 */
36
37/* This routine is called when a device has sent us some data. */
38/* (provided it has been set up with SetADBInfo) */
39	.global	_adb_asmcomplete
40	.global	_adb_complete
41_adb_asmcomplete:
42	moveml	#0xc0c0, sp@-	| save scratch regs
43	movl	d0, sp@-	/* ADB command byte */
44	movl	a2, sp@-	/* data area pointer */
45	/*	a1 is the pointer to this routine itself. */
46	movl	a0, sp@-	/* device data buffer */
47	jbsr	_adb_complete
48	addl	#12, sp		/* pop params */
49	moveml	sp@+, #0x0303	| restore scratch regs
50	rts
51
52_adb_jadbprochello:
53	.asciz	"adb: hello from adbproc\n"
54	.even
55
56
57	.global	_adb_jadbproc
58_adb_jadbproc:
59#if defined(MRG_DEBUG) && 0
60	moveml	#0xc0c0, sp@-	| save scratch regs
61	movl	_adb_jadbprochello, sp@-
62	jbsr	_kprintf
63	addl	#4, sp		/* pop params */
64	moveml	sp@+, #0x0303	| restore scratch regs
65#endif
66		/* Don't do anything; adb_init fixes dev info for us. */
67	rts
68
69	/* ADBOp's completion routine used by extdms_init() in adbsys.c. */
70	.global	_extdms_complete
71_extdms_complete:
72	movl	#-1,a2@		| set done flag
73	rts
74