24b2f4ea49
The lower pmc event bits were masked off to find the PMC event ID. The doesn't work when there are more events. Switch it to use the offser relative to the first event while also checking the ID is in the expected range. Reviewed by: gnn, ray Sponsored by: Innovate UK Differential Revision: https://reviews.freebsd.org/D29600
51 lines
2.0 KiB
C
51 lines
2.0 KiB
C
/*-
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* Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
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* All rights reserved.
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*
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* This software was developed by the University of Cambridge Computer
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* Laboratory with support from ARM Ltd.
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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 _DEV_HWPMC_ARMV8_H_
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#define _DEV_HWPMC_ARMV8_H_
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#define ARMV8_PMC_CAPS (PMC_CAP_INTERRUPT | PMC_CAP_USER | \
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PMC_CAP_SYSTEM | PMC_CAP_EDGE | \
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PMC_CAP_THRESHOLD | PMC_CAP_READ | \
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PMC_CAP_WRITE | PMC_CAP_INVERT | \
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PMC_CAP_QUALIFIER)
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#define ARMV8_RELOAD_COUNT_TO_PERFCTR_VALUE(R) (-(R))
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#define ARMV8_PERFCTR_VALUE_TO_RELOAD_COUNT(P) (-(P))
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#ifdef _KERNEL
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/* MD extension for 'struct pmc' */
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struct pmc_md_arm64_pmc {
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uint32_t pm_arm64_evsel;
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};
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#endif /* _KERNEL */
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#endif /* _DEV_HWPMC_ARMV8_H_ */
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