1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/*
* Mach Operating System
* Copyright (c) 1992 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
*
* HISTORY
* $Log: misc.s,v $
* Revision 1.1 1995/10/18 10:54:27 deraadt
* Initial revision
*
* Revision 2.3 93/01/26 18:01:25 danner
* Conditionalied "#define ASSEMBLER".
* [93/01/25 jfriedl]
*
* Revision 2.2 92/08/03 17:52:14 jfriedl
* created [danner]
*
*/
#ifndef ASSEMBLER
#define ASSEMBLER
#endif
#include <m88k/asm.h>
LABEL(_ff1)
jmp.n r1
ff1 r2, r2
/*
* invalidate_pte(pte)
*
* This function will invalidate specified pte indivisibly
* to avoid the write-back of used-bit and/or modify-bit into
* that pte. It also returns the pte found in the table.
*/
LABEL(_invalidate_pte)
or r3,r0,r0
xmem r3,r2,0
tb1 0,r0,0
jmp.n r1
or r2,r3,r0
|
