FreeBSD-5.3/sys/sparc64/include/upa.h

/*-
 * Copyright (c) 2001 by Thomas Moestl <tmm@FreeBSD.org>.
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR OR CONTRIBUTORS 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.
 *
 * $FreeBSD: src/sys/sparc64/include/upa.h,v 1.4 2002/04/02 17:38:52 tmm Exp $
 */

#ifndef _MACHINE_UPA_H_
#define _MACHINE_UPA_H_

#define	UPA_MEMSTART	0x1c000000000UL
#define	UPA_MEMEND	0x1ffffffffffUL

#define	UPA_CR_MID_SHIFT	(17)
#define	UPA_CR_MID_SIZE		(5)
#define	UPA_CR_MID_MASK \
	(((1 << UPA_CR_MID_SIZE) - 1) << UPA_CR_MID_SHIFT)

#define	UPA_CR_GET_MID(cr)	((cr & UPA_CR_MID_MASK) >> UPA_CR_MID_SHIFT)

#ifdef LOCORE

#define	UPA_GET_MID(r1) \
	ldxa	[%g0] ASI_UPA_CONFIG_REG, r1 ; \
	srlx	r1, UPA_CR_MID_SHIFT, r1 ; \
	and	r1, (1 << UPA_CR_MID_SIZE) - 1, r1

#endif

#endif /* _MACHINE_UPA_H_ */