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#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29#if defined(lint)
30#include <sys/types.h>
31#else
32#include "assym.h"
33#endif /* lint */
34
35#include <sys/asm_linkage.h>
36#include <sys/param.h>
37#include <sys/privregs.h>
38#include <sys/machasi.h>
39#include <sys/mmu.h>
40#include <sys/machthread.h>
41#include <sys/pte.h>
42#include <sys/stack.h>
43#include <sys/vis.h>
44#include <sys/param.h>
45#include <sys/errno.h>
46#include <sys/vtrace.h>
47#include <sys/clock.h>
48#include <sys/asi.h>
49#include <sys/fsr.h>
50#include <sys/cheetahregs.h>
51
52#if defined(lint)
53
54/* ARGSUSED */
55uint64_t
56lddmcdecode(uint64_t physaddr)
57{
58	return (0x0ull);
59}
60
61/* ARGSUSED */
62uint64_t
63lddsafaddr(uint64_t physaddr)
64{
65	return (0x0ull);
66}
67
68#else /* !lint */
69
70!
71! Load the safari address for a specific cpu
72!
73!
74	ENTRY(lddsafaddr)
75#ifndef __sparcv9
76	sllx	%o0, 32, %o0	! shift upper 32 bits
77	srl	%o1, 0, %o1	! clear upper 32 bits
78	or	%o0, %o1, %o0	! form 64 bit physaddr in %o0 using (%o0,%o1)
79#endif
80	rdpr	%pstate, %o4
81	andn	%o4, PSTATE_IE | PSTATE_AM, %o5
82	wrpr	%o5, 0, %pstate	! clear IE, AM bits
83#ifdef __sparcv9
84	ldxa	[%o0]ASI_SAFARI_CONFIG, %o0
85#else
86	ldxa	[%o0]ASI_SAFARI_CONFIG, %g1
87	srlx	%g1, 32, %o0	! put the high 32 bits in low part of o0
88	srl	%g1, 0, %o1	! put lower 32 bits in o1, clear upper 32 bits
89#endif
90	retl
91	wrpr	%g0, %o4, %pstate	! restore earlier pstate register value
92	SET_SIZE(lddsafaddr)
93
94!
95! Load the mc_decode reg for this cpu.
96!
97!
98	ENTRY(lddmcdecode)
99#ifndef __sparcv9
100	sllx	%o0, 32, %o0	! shift upper 32 bits
101	srl	%o1, 0, %o1	! clear upper 32 bits
102	or	%o0, %o1, %o0	! form 64 bit physaddr in %o0 using (%o0,%o1)
103#endif
104	rdpr	%pstate, %o4
105	andn	%o4, PSTATE_IE | PSTATE_AM, %o5
106	wrpr	%o5, 0, %pstate	! clear IE, AM bits
107#ifdef __sparcv9
108	ldxa	[%o0]ASI_MC_DECODE, %o0
109#else
110	ldxa	[%o0]ASI_MC_DECODE, %g1
111	srlx	%g1, 32, %o0	! put the high 32 bits in low part of o0
112	srl	%g1, 0, %o1	! put lower 32 bits in o1, clear upper 32 bits
113#endif
114	retl
115	wrpr	%g0, %o4, %pstate	! restore earlier pstate register value
116	SET_SIZE(lddmcdecode)
117
118#endif /* lint */
119