romcalls.S revision 1.4 1 1.4 tsutsui /* $NetBSD: romcalls.S,v 1.4 2008/05/14 13:29:28 tsutsui Exp $ */
2 1.1 tsutsui
3 1.1 tsutsui /*-
4 1.4 tsutsui * Copyright (c) 1999 Izumi Tsutsui. All rights reserved.
5 1.1 tsutsui *
6 1.1 tsutsui * Redistribution and use in source and binary forms, with or without
7 1.1 tsutsui * modification, are permitted provided that the following conditions
8 1.1 tsutsui * are met:
9 1.1 tsutsui * 1. Redistributions of source code must retain the above copyright
10 1.1 tsutsui * notice, this list of conditions and the following disclaimer.
11 1.1 tsutsui * 2. Redistributions in binary form must reproduce the above copyright
12 1.1 tsutsui * notice, this list of conditions and the following disclaimer in the
13 1.1 tsutsui * documentation and/or other materials provided with the distribution.
14 1.1 tsutsui *
15 1.1 tsutsui * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 1.1 tsutsui * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 1.1 tsutsui * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 1.1 tsutsui * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 1.1 tsutsui * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 1.1 tsutsui * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 1.1 tsutsui * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 1.1 tsutsui * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 1.4 tsutsui * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 1.4 tsutsui * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 1.1 tsutsui */
26 1.1 tsutsui
27 1.1 tsutsui #include <m68k/asm.h>
28 1.1 tsutsui #include <machine/romcall.h>
29 1.1 tsutsui
30 1.1 tsutsui .text
31 1.1 tsutsui .align 4
32 1.1 tsutsui
33 1.2 tsutsui ENTRY_NOPROFILE(rom_halt)
34 1.1 tsutsui moveq #8, %d7 | RB_HALT
35 1.1 tsutsui trap #15
36 1.1 tsutsui
37 1.1 tsutsui ENTRY_NOPROFILE(rom_open)
38 1.1 tsutsui linkw %a6, #0
39 1.1 tsutsui moveml %d2-%d7/%a2-%a5,%sp@- | save %d2-%d7, %a2-%a5
40 1.1 tsutsui moveq #SYS_open, %d0
41 1.1 tsutsui trap #0
42 1.1 tsutsui moveml %a6@(-40),%d2-%d7/%a2-%a5
43 1.1 tsutsui unlk %a6
44 1.1 tsutsui rts
45 1.1 tsutsui
46 1.1 tsutsui ENTRY_NOPROFILE(rom_close)
47 1.1 tsutsui linkw %a6, #0
48 1.1 tsutsui moveml %d2-%d7/%a2-%a5,%sp@- | save %d2-%d7, %a2-%a5
49 1.1 tsutsui moveq #SYS_close, %d0
50 1.1 tsutsui trap #0
51 1.1 tsutsui moveml %a6@(-40),%d2-%d7/%a2-%a5
52 1.1 tsutsui unlk %a6
53 1.1 tsutsui rts
54 1.1 tsutsui
55 1.1 tsutsui ENTRY_NOPROFILE(rom_read)
56 1.1 tsutsui linkw %a6, #0
57 1.1 tsutsui moveml %d2-%d7/%a2-%a5,%sp@- | save %d2-%d7, %a2-%a5
58 1.1 tsutsui moveq #SYS_read, %d0
59 1.1 tsutsui trap #0
60 1.1 tsutsui moveml %a6@(-40),%d2-%d7/%a2-%a5
61 1.3 tsutsui unlk %a6
62 1.1 tsutsui rts
63 1.1 tsutsui
64 1.1 tsutsui ENTRY_NOPROFILE(rom_write)
65 1.1 tsutsui linkw %a6, #0
66 1.1 tsutsui moveml %d2-%d7/%a2-%a5,%sp@- | save %d2-%d7, %a2-%a5
67 1.1 tsutsui moveq #SYS_write, %d0
68 1.1 tsutsui trap #0
69 1.1 tsutsui moveml %a6@(-40),%d2-%d7/%a2-%a5
70 1.1 tsutsui unlk %a6
71 1.1 tsutsui rts
72 1.1 tsutsui
73 1.1 tsutsui ENTRY_NOPROFILE(rom_lseek)
74 1.1 tsutsui linkw %a6, #0
75 1.1 tsutsui moveml %d2-%d7/%a2-%a5,%sp@- | save %d2-%d7, %a2-%a5
76 1.1 tsutsui moveq #SYS_lseek, %d0
77 1.1 tsutsui trap #0
78 1.1 tsutsui moveml %a6@(-40),%d2-%d7/%a2-%a5
79 1.1 tsutsui unlk %a6
80 1.1 tsutsui rts
81