xref: /titanic_41/usr/src/uts/sun4u/serengeti/ml/serengeti_asm.s (revision 03831d35f7499c87d51205817c93e9a8d42c4bae)
1*03831d35Sstevel/*
2*03831d35Sstevel * CDDL HEADER START
3*03831d35Sstevel *
4*03831d35Sstevel * The contents of this file are subject to the terms of the
5*03831d35Sstevel * Common Development and Distribution License, Version 1.0 only
6*03831d35Sstevel * (the "License").  You may not use this file except in compliance
7*03831d35Sstevel * with the License.
8*03831d35Sstevel *
9*03831d35Sstevel * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*03831d35Sstevel * or http://www.opensolaris.org/os/licensing.
11*03831d35Sstevel * See the License for the specific language governing permissions
12*03831d35Sstevel * and limitations under the License.
13*03831d35Sstevel *
14*03831d35Sstevel * When distributing Covered Code, include this CDDL HEADER in each
15*03831d35Sstevel * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*03831d35Sstevel * If applicable, add the following below this CDDL HEADER, with the
17*03831d35Sstevel * fields enclosed by brackets "[]" replaced with your own identifying
18*03831d35Sstevel * information: Portions Copyright [yyyy] [name of copyright owner]
19*03831d35Sstevel *
20*03831d35Sstevel * CDDL HEADER END
21*03831d35Sstevel */
22*03831d35Sstevel/*
23*03831d35Sstevel * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24*03831d35Sstevel * Use is subject to license terms.
25*03831d35Sstevel */
26*03831d35Sstevel
27*03831d35Sstevel#pragma	ident	"%Z%%M%	%I%	%E% SMI"
28*03831d35Sstevel
29*03831d35Sstevel#if defined(lint)
30*03831d35Sstevel#include <sys/types.h>
31*03831d35Sstevel#else
32*03831d35Sstevel#include "assym.h"
33*03831d35Sstevel#endif /* lint */
34*03831d35Sstevel
35*03831d35Sstevel#include <sys/asm_linkage.h>
36*03831d35Sstevel#include <sys/param.h>
37*03831d35Sstevel#include <sys/privregs.h>
38*03831d35Sstevel#include <sys/machasi.h>
39*03831d35Sstevel#include <sys/mmu.h>
40*03831d35Sstevel#include <sys/machthread.h>
41*03831d35Sstevel#include <sys/pte.h>
42*03831d35Sstevel#include <sys/stack.h>
43*03831d35Sstevel#include <sys/vis.h>
44*03831d35Sstevel#include <sys/param.h>
45*03831d35Sstevel#include <sys/errno.h>
46*03831d35Sstevel#include <sys/vtrace.h>
47*03831d35Sstevel#include <sys/clock.h>
48*03831d35Sstevel#include <sys/asi.h>
49*03831d35Sstevel#include <sys/fsr.h>
50*03831d35Sstevel#include <sys/cheetahregs.h>
51*03831d35Sstevel
52*03831d35Sstevel#if defined(lint)
53*03831d35Sstevel
54*03831d35Sstevel/* ARGSUSED */
55*03831d35Ssteveluint64_t
56*03831d35Sstevellddmcdecode(uint64_t physaddr)
57*03831d35Sstevel{
58*03831d35Sstevel	return (0x0ull);
59*03831d35Sstevel}
60*03831d35Sstevel
61*03831d35Sstevel/* ARGSUSED */
62*03831d35Ssteveluint64_t
63*03831d35Sstevellddsafaddr(uint64_t physaddr)
64*03831d35Sstevel{
65*03831d35Sstevel	return (0x0ull);
66*03831d35Sstevel}
67*03831d35Sstevel
68*03831d35Sstevel#else /* !lint */
69*03831d35Sstevel
70*03831d35Sstevel!
71*03831d35Sstevel! Load the safari address for a specific cpu
72*03831d35Sstevel!
73*03831d35Sstevel!
74*03831d35Sstevel	ENTRY(lddsafaddr)
75*03831d35Sstevel	rdpr	%pstate, %o4
76*03831d35Sstevel	andn	%o4, PSTATE_IE | PSTATE_AM, %o5
77*03831d35Sstevel	wrpr	%o5, 0, %pstate	! clear IE, AM bits
78*03831d35Sstevel	ldxa	[%o0]ASI_SAFARI_CONFIG, %o0
79*03831d35Sstevel	retl
80*03831d35Sstevel	wrpr	%g0, %o4, %pstate	! restore earlier pstate register value
81*03831d35Sstevel	SET_SIZE(lddsafaddr)
82*03831d35Sstevel
83*03831d35Sstevel!
84*03831d35Sstevel! Load the mc_decode reg for this cpu.
85*03831d35Sstevel!
86*03831d35Sstevel!
87*03831d35Sstevel	ENTRY(lddmcdecode)
88*03831d35Sstevel	rdpr	%pstate, %o4
89*03831d35Sstevel	andn	%o4, PSTATE_IE | PSTATE_AM, %o5
90*03831d35Sstevel	wrpr	%o5, 0, %pstate	! clear IE, AM bits
91*03831d35Sstevel	ldxa	[%o0]ASI_MC_DECODE, %o0
92*03831d35Sstevel	retl
93*03831d35Sstevel	wrpr	%g0, %o4, %pstate	! restore earlier pstate register value
94*03831d35Sstevel	SET_SIZE(lddmcdecode)
95*03831d35Sstevel
96*03831d35Sstevel#endif /* lint */
97