1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#include <sys/types.h>
27#include <sys/param.h>
28#include <sys/fcntl.h>
29#include <sys/promif.h>
30#include <sys/prom_plat.h>
31#include <sys/salib.h>
32
33int pagesize = PAGESIZE;
34
35void
36fiximp(void)
37{
38	extern int use_align;
39
40	use_align = 1;
41}
42
43void
44setup_aux(void)
45{
46	pnode_t node;
47	/* big enough for OBP_NAME and for a reasonably sized OBP_COMPATIBLE. */
48	static char cpubuf[5 * OBP_MAXDRVNAME];
49	char dname[OBP_MAXDRVNAME];
50	extern uint_t icache_flush;
51	extern char *cpulist;
52
53	icache_flush = 1;
54	node = prom_findnode_bydevtype(prom_rootnode(), OBP_CPU);
55	if (node != OBP_NONODE && node != OBP_BADNODE) {
56		int nlen, clen, i;
57
58		if ((nlen = prom_getproplen(node, OBP_NAME)) <= 0 ||
59		    nlen > sizeof (cpubuf) ||
60		    prom_getprop(node, OBP_NAME, cpubuf) <= 0)
61			prom_panic("no name in cpu node");
62
63		/* nlen includes the terminating null character */
64
65		/*
66		 * For the CMT case, need check the parent "core"
67		 * node for the compatible property.
68		 */
69		if ((clen = prom_getproplen(node, OBP_COMPATIBLE)) > 0 ||
70		    ((node = prom_parentnode(node)) != OBP_NONODE &&
71		    node != OBP_BADNODE &&
72		    (clen = prom_getproplen(node, OBP_COMPATIBLE)) > 0 &&
73		    prom_getprop(node, OBP_DEVICETYPE, dname) > 0 &&
74		    strcmp(dname, "core") == 0)) {
75			if ((clen + nlen) > sizeof (cpubuf))
76				prom_panic("cpu node \"compatible\" too long");
77			/* read in compatible, leaving space for ':' */
78			if (prom_getprop(node, OBP_COMPATIBLE,
79			    &cpubuf[nlen]) != clen)
80				prom_panic("cpu node \"compatible\" error");
81			clen += nlen;	/* total length */
82			/* convert all null characters to ':' */
83			clen--;	/* except the final one... */
84			for (i = 0; i < clen; i++)
85				if (cpubuf[i] == '\0')
86					cpubuf[i] = ':';
87		}
88		cpulist = cpubuf;
89	} else
90		prom_panic("no cpu node");
91}
92
93/*
94 * Allocate a region of virtual address space, unmapped.
95 */
96caddr_t
97resalloc_virt(caddr_t virt, size_t size)
98{
99	if (prom_claim_virt(size, virt) == (caddr_t)-1)
100		return ((caddr_t)0);
101
102	return (virt);
103}
104