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5a8336816e
HAL/Fujitsu) CPUs. For the most part this consists of fleshing out the MMU and cache handling, it doesn't add pmap optimizations possible with these CPU, yet, though. With these changes FreeBSD runs stable on Fujitsu Siemens PRIMEPOWER 250 and likely also other models based on SPARC64 V like 450, 650 and 850. Thanks go to Michael Moll for providing access to a PRIMEPOWER 250.
63 lines
2.4 KiB
C
63 lines
2.4 KiB
C
/*-
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* Copyright (c) 2010 Marius Strobl <marius@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_MCNTL_H
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#define _MACHINE_MCNTL_H
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/*
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* Definitions for the SPARC64 V, VI, VII and VIIIfx Memory Control Register
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*/
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#define MCNTL_JPS1_TSBP (1UL << 8)
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#define MCNTL_RMD_SHIFT 12
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#define MCNTL_RMD_BITS 2
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#define MCNTL_RMD_MASK \
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(((1UL << MCNTL_RMD_BITS) - 1) << MCNTL_RMD_SHIFT)
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#define MCNTL_RMD_FULL (0UL << MCNTL_RMD_SHIFT)
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#define MCNTL_RMD_1024 (2UL << MCNTL_RMD_SHIFT)
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#define MCNTL_RMD_512 (3UL << MCNTL_RMD_SHIFT)
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#define MCNTL_FW_FDTLB (1UL << 14)
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#define MCNTL_FW_FITLB (1UL << 15)
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#define MCNTL_NC_CACHE (1UL << 16)
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/* The following bits are valid for the SPARC64 VI, VII and VIIIfx only. */
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#define MCNTL_MPG_SDTLB (1UL << 6)
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#define MCNTL_MPG_SITLB (1UL << 7)
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/* The following bits are valid for the SPARC64 VIIIfx only. */
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#define MCNTL_HPF_SHIFT 18
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#define MCNTL_HPF_BITS 2
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#define MCNTL_HPF_MASK \
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(((1UL << MCNTL_HPF_BITS) - 1) << MCNTL_HPF_SHIFT)
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#define MCNTL_HPF_STRONG (0UL << MCNTL_HPF_SHIFT)
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#define MCNTL_HPF_NOT (1UL << MCNTL_HPF_SHIFT)
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#define MCNTL_HPF_WEAK (2UL << MCNTL_HPF_SHIFT)
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#endif /* _MACHINE_MCNTL_H */
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