minix/sys/arch/arm/include/pmc.h
Ben Gras 0222260628 import / small alignment of many arm includes
Change-Id: I4a7631409190474546c0ba03312c23454c99d62a
2014-03-03 20:47:05 +01:00

94 lines
4.2 KiB
C

/* $NetBSD: pmc.h,v 1.3 2002/08/09 05:27:10 thorpej Exp $ */
/*
* Copyright (c) 2002 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Allen Briggs for Wasabi Systems, Inc.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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.
*/
#ifndef _ARM_PMC_H_
#define _ARM_PMC_H_
#define PMC_CLASS_I80200 0x10000 /* i80200-compatible */
#define PMC_TYPE_I80200_CCNT 0x10001 /* cycle counter */
#define PMC_TYPE_I80200_PMCx 0x10002 /* performance counter */
#if defined(_KERNEL)
#include <arm/cpuconf.h>
struct arm_pmc_funcs {
void (*fork)(struct proc *p1, struct proc *p2);
int (*num_counters)(void);
int (*counter_type)(int ctr);
void (*save_context)(struct proc *p);
void (*restore_context)(struct proc *p);
void (*enable_counter)(struct proc *p, int ctr);
void (*disable_counter)(struct proc *p, int ctr);
void (*accumulate)(struct proc *parent, struct proc *child);
void (*process_exit)(struct proc *p);
int (*configure_counter)(struct proc *p, int ctr, struct pmc_counter_cfg *cfg);
int (*get_counter_val)(struct proc *p, int ctr, int flags, uint64_t *pval);
int (*counter_isconfigured)(struct proc *p, int ctr);
int (*counter_isrunning)(struct proc *p, int ctr);
int (*start_profiling)(int ctr, struct pmc_counter_cfg *cfg);
int (*stop_profiling)(int ctr);
int (*alloc_kernel_ctr)(int ctr, struct pmc_counter_cfg *cfg);
int (*free_kernel_ctr)(int ctr);
};
extern struct arm_pmc_funcs *arm_pmc;
#define pmc_md_fork(p1,p2) (arm_pmc->fork((p1),(p2)))
#define pmc_get_num_counters() (arm_pmc->num_counters())
#define pmc_get_counter_type(c) (arm_pmc->counter_type(c))
#define pmc_save_context(p) (arm_pmc->save_context(p))
#define pmc_restore_context(p) (arm_pmc->restore_context(p))
#define pmc_enable_counter(p,c) (arm_pmc->enable_counter((p),(c)))
#define pmc_disable_counter(p,c) (arm_pmc->disable_counter((p),(c)))
#define pmc_accumulate(p1,p2) (arm_pmc->accumulate((p1),(p2)))
#define pmc_process_exit(p1) (arm_pmc->process_exit(p))
#define pmc_counter_isconfigured(p,c) (arm_pmc->counter_isconfigured((p),(c)))
#define pmc_counter_isrunning(p,c) (arm_pmc->counter_isrunning((p),(c)))
#define pmc_start_profiling(c,f) (arm_pmc->start_profiling((c),(f)))
#define pmc_stop_profiling(c) (arm_pmc->stop_profiling((c)))
#define pmc_alloc_kernel_counter(c,f) (arm_pmc->alloc_kernel_ctr((c),(f)))
#define pmc_free_kernel_counter(c) (arm_pmc->free_kernel_ctr((c)))
#define pmc_configure_counter(p,c,f) \
(arm_pmc->configure_counter((p),(c),(f)))
#define pmc_get_counter_value(p,c,f,pv) \
(arm_pmc->get_counter_val((p),(c),(f),(pv)))
#define PMC_ENABLED(p) (p)->p_md.pmc_enabled
#endif /* defined(_KERNEL) */
#endif /* _ARM_PMC_H_ */