ktr.h revision 153175 
1/*-
2 * Copyright (c) 1996 Berkeley Software Design, Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 * 3. Berkeley Software Design Inc's name may not be used to endorse or
13 *    promote products derived from this software without specific prior
14 *    written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN INC ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL BERKELEY SOFTWARE DESIGN INC BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 *	from BSDI $Id: ktr.h,v 1.10.2.7 2000/03/16 21:44:42 cp Exp $
29 * $FreeBSD: head/sys/sparc64/include/ktr.h 153175 2005-12-06 16:38:08Z marius $
30 */
31
32#ifndef _MACHINE_KTR_H_
33#define _MACHINE_KTR_H_
34
35#include <sys/ktr.h>
36
37#include <machine/upa.h>
38
39#ifndef LOCORE
40
41#define	KTR_CPU	UPA_CR_GET_MID(ldxa(0, ASI_UPA_CONFIG_REG))
42
43#else
44
45#define	AND(var, mask, r1, r2) \
46	SET(var, r2, r1) ; \
47	lduw	[r1], r2 ; \
48	and	r2, mask, r1
49
50#define	TEST(var, mask, r1, r2, l1) \
51	AND(var, mask, r1, r2) ; \
52	brz	r1, l1 ## f ; \
53	 nop
54
55/*
56 * XXX could really use another register...
57 */
58#define	ATR(desc, r1, r2, r3, l1, l2) \
59	.sect	.rodata ; \
60l1:	.asciz	desc ; \
61	.previous ; \
62	SET(ktr_idx, r2, r1) ; \
63	lduw	[r1], r2 ; \
64l2:	add	r2, 1, r3 ; \
65	set	KTR_ENTRIES - 1, r1 ; \
66	and	r3, r1, r3 ; \
67	set	ktr_idx, r1 ; \
68	casa	[r1] ASI_N, r2, r3 ; \
69	cmp	r2, r3 ; \
70	bne	%icc, l2 ## b ; \
71	 mov	r3, r2 ; \
72	SET(ktr_buf, r3, r1) ; \
73	mulx	r2, KTR_SIZEOF, r2 ; \
74	add	r1, r2, r1 ; \
75	rd	%tick, r2 ; \
76	stx	r2, [r1 + KTR_TIMESTAMP] ; \
77	UPA_GET_MID(r2) ; \
78	stw	r2, [r1 + KTR_CPU] ; \
79	stw	%g0, [r1 + KTR_LINE] ; \
80	stx	%g0, [r1 + KTR_FILE] ; \
81	SET(l1 ## b, r3, r2) ; \
82	stx	r2, [r1 + KTR_DESC]
83
84#define CATR(mask, desc, r1, r2, r3, l1, l2, l3) \
85	set	mask, r1 ; \
86	TEST(ktr_mask, r1, r2, r2, l3) ; \
87	UPA_GET_MID(r1) ; \
88	mov	1, r2 ; \
89	sllx	r2, r1, r1 ; \
90	TEST(ktr_cpumask, r1, r2, r3, l3) ; \
91	ATR(desc, r1, r2, r3, l1, l2)
92
93#endif /* LOCORE */
94
95#endif /* !_MACHINE_KTR_H_ */
96