xref: /illumos-gate/usr/src/uts/sun4u/serengeti/ml/serengeti_asm.S (revision 08855964b9970604433f7b19dcd71cf5af5e5f14)
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, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#include "assym.h"
28
29#include <sys/asm_linkage.h>
30#include <sys/param.h>
31#include <sys/privregs.h>
32#include <sys/machasi.h>
33#include <sys/mmu.h>
34#include <sys/machthread.h>
35#include <sys/pte.h>
36#include <sys/stack.h>
37#include <sys/vis.h>
38#include <sys/param.h>
39#include <sys/errno.h>
40#include <sys/vtrace.h>
41#include <sys/clock.h>
42#include <sys/asi.h>
43#include <sys/fsr.h>
44#include <sys/cheetahregs.h>
45
46!
47! Load the safari address for a specific cpu
48!
49!
50	ENTRY(lddsafaddr)
51	rdpr	%pstate, %o4
52	andn	%o4, PSTATE_IE | PSTATE_AM, %o5
53	wrpr	%o5, 0, %pstate	! clear IE, AM bits
54	ldxa	[%o0]ASI_SAFARI_CONFIG, %o0
55	retl
56	wrpr	%g0, %o4, %pstate	! restore earlier pstate register value
57	SET_SIZE(lddsafaddr)
58
59!
60! Load the mc_decode reg for this cpu.
61!
62!
63	ENTRY(lddmcdecode)
64	rdpr	%pstate, %o4
65	andn	%o4, PSTATE_IE | PSTATE_AM, %o5
66	wrpr	%o5, 0, %pstate	! clear IE, AM bits
67	ldxa	[%o0]ASI_MC_DECODE, %o0
68	retl
69	wrpr	%g0, %o4, %pstate	! restore earlier pstate register value
70	SET_SIZE(lddmcdecode)
71
72