freebsd-dev/sys/sparc64/include/upa.h

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/*-
* 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.
*
* $FreeBSD$
*/
#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_ */