/*      $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