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
33 int pagesize = PAGESIZE;
34
35 void
fiximp(void)36 fiximp(void)
37 {
38 extern int use_align;
39
40 use_align = 1;
41 }
42
43 void
setup_aux(void)44 setup_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 */
96 caddr_t
resalloc_virt(caddr_t virt,size_t size)97 resalloc_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