freebsd-dev/sys/sparc64/include/dcr.h
Marius Strobl 5679850859 Correct the DCR_IPE macro to refer to the right bit. Also improve the
associated comment as besides US-IV+ these bits are only available with
US-III++, i.e. the 1.2GHz version of the US-III+.
2010-04-10 11:13:51 +00:00

71 lines
2.6 KiB
C

/*-
* Copyright (c) 2008 Marius Strobl <marius@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 AND CONTRIBUTORS ``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_DCR_H_
#define _MACHINE_DCR_H_
/*
* Definitions for the UltraSPARC-III Depatch Control Register (ASR 18).
*/
#define DCR_MS (1UL << 0)
#define DCR_IFPOE (1UL << 1)
#define DCR_SI (1UL << 3)
#define DCR_RPE (1UL << 4)
#define DCR_BPE (1UL << 5)
#define DCR_OBSDATA_SHIFT 6
#define DCR_OBSDATA_CT_BITS 8
#define DCR_OBSDATA_CT_MASK \
(((1UL << DCR_OBSDATA_CT_BITS) - 1) << DCR_OBSDATA_SHIFT)
/* The following bits are valid for the UltraSPARC-III++/IV+ only. */
#define DCR_IPE (1UL << 2)
#define DCR_OBSDATA_CTP_BITS 6
#define DCR_OBSDATA_CTP_MASK \
(((1UL << DCR_OBSDATA_CTP_BITS) - 1) << DCR_OBSDATA_SHIFT)
#define DCR_DPE (1UL << 12)
/* The following bits are valid for the UltraSPARC-IV+ only. */
#define DCR_BPM_SHIFT 13
#define DCR_BPM_BITS 2
#define DCR_BPM_MASK \
(((1UL << DCR_BPM_BITS) - 1) << DCR_BPM_SHIFT)
#define DCR_BPM_1HIST_GSHARE (0UL << DCR_BPM_SHIFT)
#define DCR_BPM_2HIST_GSHARE (1UL << DCR_BPM_SHIFT)
#define DCR_BPM_PC (2UL << DCR_BPM_SHIFT)
#define DCR_BPM_2HIST_MIXED (3UL << DCR_BPM_SHIFT)
#define DCR_JPE (1UL << 15)
#define DCR_ITPE (1UL << 16)
#define DCR_DTPE (1UL << 17)
#define DCR_PPE (1UL << 18)
#endif /* _MACHINE_DCR_H_ */