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3674 svoboda 1
/*
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 * Copyright (c) 2008 Pavel Rimsky
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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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 *
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 * - 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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 * - 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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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup sparc64
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 * @{
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 */
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/** @file
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 */
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#ifndef KERN_sparc64_CPU_FAMILY_H_
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#define KERN_sparc64_CPU_FAMILY_H_
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#include <arch.h>
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#include <cpu.h>
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#include <arch/register.h>
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#include <arch/asm.h>
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/**
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 * Find the processor (sub)family.
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 *
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 * @return  true iff the CPU belongs to the US family
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 */
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static inline bool is_us(void)
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{
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    int impl = ((ver_reg_t) ver_read()).impl;
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    return (impl == IMPL_ULTRASPARCI) || (impl == IMPL_ULTRASPARCII) ||
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           (impl == IMPL_ULTRASPARCII_I) ||  (impl == IMPL_ULTRASPARCII_E);
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}
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/**
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 * Find the processor (sub)family.
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 *
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 * @return  true iff the CPU belongs to the US-III subfamily
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 */
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static inline bool is_us_iii(void)
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{
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    int impl = ((ver_reg_t) ver_read()).impl;
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    return (impl == IMPL_ULTRASPARCIII) ||
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           (impl == IMPL_ULTRASPARCIII_PLUS) ||
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           (impl == IMPL_ULTRASPARCIII_I);
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}
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/**
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 * Find the processor (sub)family.
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 *
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 * @return  true iff the CPU belongs to the US-IV subfamily
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 */
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static inline bool is_us_iv(void)
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{
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    int impl = ((ver_reg_t) ver_read()).impl;
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    return (impl == IMPL_ULTRASPARCIV) || (impl == IMPL_ULTRASPARCIV_PLUS);
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}
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#endif
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/** @}
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 */