sys/arch/mac68k/dev/adbsysasm.s

   1 /*      $NetBSD: adbsysasm.s,v 1.11 2001/11/20 03:19:42 chs 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  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #include "opt_adb.h"
  29 #include "akbd.h"
  30 #include "ams.h"
  31 #include <machine/asm.h>
  32
  33 /*
  34  * ADB subsystem routines in assembly
  35  */
  36
  37 /* This routine is called when a keyboard has sent us some data. */
  38 /* (provided it has been set up with SetADBInfo) */
  39 GLOBAL(adb_kbd_asmcomplete)
  40 #if NAKBD > 0
  41         moveml  #0x80e0,%sp@-   | save scratch regs
  42         movl    %d0,%sp@-       /* ADB command byte */
  43         movl    %a2,%sp@-       /* data area pointer */
  44         /*      %a1 is the pointer to this routine itself. */
  45         movl    %a0,%sp@-       /* device data buffer */
  46         jbsr    _C_LABEL(kbd_adbcomplete)
  47         addl    #12,%sp         /* pop params */
  48         moveml  %sp@+,#0x0701   | restore scratch regs
  49 #endif
  50         rts
  51
  52 /* This routine is called when a mouse has sent us some data. */
  53 /* (provided it has been set up with SetADBInfo) */
  54 GLOBAL(adb_ms_asmcomplete)
  55 #if NAMS > 0
  56         moveml  #0x80e0,%sp@-   | save scratch regs
  57         movl    %d0,%sp@-       /* ADB command byte */
  58         movl    %a2,%sp@-       /* data area pointer */
  59         /*      %a1 is the pointer to this routine itself. */
  60         movl    %a0,%sp@-       /* device data buffer */
  61         jbsr    _C_LABEL(ms_adbcomplete)
  62         addl    #12,%sp         /* pop params */
  63         moveml  %sp@+,#0x0701   | restore scratch regs
  64 #endif
  65         rts
  66
  67
  68 GLOBAL(adb_jadbprochello)
  69         .asciz  "adb: hello from adbproc\n"
  70         .even
  71
  72
  73 GLOBAL(adb_jadbproc)
  74 #if defined(ADB_DEBUG) && 0
  75         moveml  #0xc0c0,%sp@-   | save scratch regs
  76         movl    _C_LABEL(adb_jadbprochello),%sp@-
  77         jbsr    _C_LABEL(printf)
  78         addl    #4,%sp          /* pop params */
  79         moveml  %sp@+,#0x0303   | restore scratch regs
  80 #endif
  81                 /* Don't do anything; adbattach fixes dev info for us. */
  82         rts
  83
  84         /* ADBOp's completion routine used by extdms_init() in adbsys.c. */
  85 GLOBAL(extdms_complete)
  86         movl    #-1,%a2@        | set done flag
  87         rts