xref: /titanic_41/usr/src/uts/sun4u/serengeti/ml/serengeti_asm.s (revision c037192b037119c9fd354732fc29b38ce097d356)
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	rdpr	%pstate, %o4
76	andn	%o4, PSTATE_IE | PSTATE_AM, %o5
77	wrpr	%o5, 0, %pstate	! clear IE, AM bits
78	ldxa	[%o0]ASI_SAFARI_CONFIG, %o0
79	retl
80	wrpr	%g0, %o4, %pstate	! restore earlier pstate register value
81	SET_SIZE(lddsafaddr)
82
83!
84! Load the mc_decode reg for this cpu.
85!
86!
87	ENTRY(lddmcdecode)
88	rdpr	%pstate, %o4
89	andn	%o4, PSTATE_IE | PSTATE_AM, %o5
90	wrpr	%o5, 0, %pstate	! clear IE, AM bits
91	ldxa	[%o0]ASI_MC_DECODE, %o0
92	retl
93	wrpr	%g0, %o4, %pstate	! restore earlier pstate register value
94	SET_SIZE(lddmcdecode)
95
96#endif /* lint */
97