1 /*
2  * Copyright (c) 1983 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms are permitted
6  * provided that the above copyright notice and this paragraph are
7  * duplicated in all such forms and that any documentation,
8  * advertising materials, and other materials related to such
9  * distribution and use acknowledge that the software was developed
10  * by the University of California, Berkeley.  The name of the
11  * University may not be used to endorse or promote products derived
12  * from this software without specific prior written permission.
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16  */
17 
18 #if defined(LIBC_SCCS) && !defined(lint)
19 	.asciz "@(#)gethostid.c	5.1 (Berkeley) 04/12/91"
20 #endif /* LIBC_SCCS and not lint */
21 
22 #include "SYS.h"
23 
24 	.data
25 hostid:
26 	.long	0
27 	.text
28 
29 ENTRY(gethostid)
30 	movl	hostid,r0	# check cache
31 	beql	doit
32 	ret
33 doit:
34 	chmk	$SYS_gethostid
35 	jcs	err
36 	movl	r0,hostid	# set cache
37 	ret			# hostid = gethostid();
38 err:
39 	jmp cerror;
40