Differential D2555 Diff 5408 sys/dev/hwpmc/hwpmc_armv8.h

Changeset View

Standalone View

sys/dev/hwpmc/hwpmc_armv8.h

Property	Old Value	New Value
svn:eol-style	null	native \ No newline at end of property
svn:keywords	null	FreeBSD=%H \ No newline at end of property
svn:mime-type	null	text/plain \ No newline at end of property

				/*-
				* Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
				* 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 _DEV_HWPMC_ARMV8_H_
				#define _DEV_HWPMC_ARMV8_H_

				#define ARMV8_PMC_CAPS (PMC_CAP_INTERRUPT \| PMC_CAP_USER \| \
				PMC_CAP_SYSTEM \| PMC_CAP_EDGE \| \
				PMC_CAP_THRESHOLD \| PMC_CAP_READ \| \
				PMC_CAP_WRITE \| PMC_CAP_INVERT \| \
				PMC_CAP_QUALIFIER)

				#define ARMV8_PMCR_E (1 << 0) /* Enable all counters */
				andrewUnsubmitted Done Inline Actions In general I've been putting special registers macros in sys/arm64/include/armreg.h. andrew: In general I've been putting special registers macros in sys/arm64/include/armreg.h.
				#define ARMV8_PMCR_P (1 << 1) /* Reset all counters */
				#define ARMV8_PMCR_C (1 << 2) /* Clock counter reset */
				#define ARMV8_PMCR_D (1 << 3) /* CNTR counts every 64 clk cycles */
				#define ARMV8_PMCR_X (1 << 4) /* Export to ext. monitoring (ETM) */
				#define ARMV8_PMCR_DP (1 << 5) /* Disable CCNT if non-invasive debug*/
				#define ARMV8_PMCR_LC (1 << 6) /* Long cycle count enable */
				#define ARMV8_PMCR_IMP_S 24 /* Implementer code */
				#define ARMV8_PMCR_IMP_M 0xff
				#define ARMV8_PMCR_IDCODE_S 16 /* Identification code */
				#define ARMV8_PMCR_IDCODE_M 0xff
				#define IDCODE_CORTEX_A57 0x01
				#define IDCODE_CORTEX_A72 0x02
				#define IDCODE_CORTEX_A53 0x03
				#define ARMV8_PMCR_N_S 11 /* Number of counters implemented */
				#define ARMV8_PMCR_N_M 0x1f

				#define ARMV8_RELOAD_COUNT_TO_PERFCTR_VALUE(R) (-(R))
				#define ARMV8_PERFCTR_VALUE_TO_RELOAD_COUNT(P) (-(P))

				#ifdef _KERNEL
				/* MD extension for 'struct pmc' */
				struct pmc_md_armv8_pmc {
				uint32_t pm_armv8_evsel;
				};
				#endif /* _KERNEL */
				#endif /* _DEV_HWPMC_ARMV8_H_ */