/*-
 * Copyright (c) 1996 Berkeley Software Design, Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Berkeley Software Design Inc's name may not be used to endorse or
 *    promote products derived from this software without specific prior
 *    written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN INC ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL BERKELEY SOFTWARE DESIGN INC BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	from BSDI $Id: ktr.h,v 1.10.2.7 2000/03/16 21:44:42 cp Exp $
 * $FreeBSD$
 */

#ifndef _MACHINE_KTR_H_
#define _MACHINE_KTR_H_

#ifdef LOCORE

#define	AND(var, mask, r1, r2, r3, l1) \
	setx	var, r2, r1 ; \
	setx	mask, r3, r2 ; \
	lduw	[r1], r3 ; \
	and	r2, r3, r1

#define	TEST(var, mask, r1, r2, r3, l1) \
	AND(var, mask, r1, r2, r3, l1) ; \
	brz	r1, l1 ## f ; \
	 nop

/*
 * XXX doesn't do timestamp or ktr_cpu.
 * XXX could really use another register.
 */
#define	ATR(desc, r1, r2, r3, l1, l2) \
	.sect	.rodata ; \
l1 ## :	.asciz	desc ; \
	.previous ; \
	set	ktr_idx, r1 ; \
	lduw	[r1], r2 ; \
l2 ## :	add	r2, 1, r3 ; \
	set	KTR_ENTRIES - 1, r1 ; \
	and	r3, r1, r3 ; \
	set	ktr_idx, r1 ; \
	casa	[r1] ASI_N, r2, r3 ; \
	cmp	r2, r3 ; \
	bne	%icc, l2 ## b ; \
	 mov	r3, r2 ; \
	set	ktr_buf, r1 ; \
	mulx	r2, KTR_SIZEOF, r2 ; \
	add	r1, r2, r1 ; \
	set	l1 ## b, r2 ; \
	stx	r2, [r1 + KTR_DESC]

#define CATR(mask, desc, r1, r2, r3, l1, l2, l3) \
	TEST(ktr_mask, mask, r1, r2, r3, l3) ; \
	ATR(desc, r1, r2, r3, l1, l2)

/*
 * XXX crude conditional breakpoint and sir
 */
#define	CBPT(mask, r1, r2, r3, l1) \
	TEST(ktr_mask, mask, r1, r2, r3, l1) ; \
	DEBUGGER() ; \
l1 ## :

#define	CSIR(mask, r1, r2, r3, l1) \
	TEST(ktr_mask, mask, r1, r2, r3, l1) ; \
	sir	42 ; \
l1 ## :

#endif /* LOCORE */

#endif /* !_MACHINE_KTR_H_ */