95 lines
4.2 KiB
C
95 lines
4.2 KiB
C
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/* $NetBSD: pmc.h,v 1.3 2002/08/09 05:27:10 thorpej Exp $ */
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/*
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* Copyright (c) 2002 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Allen Briggs for Wasabi Systems, Inc.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _ARM_PMC_H_
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#define _ARM_PMC_H_
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#define PMC_CLASS_I80200 0x10000 /* i80200-compatible */
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#define PMC_TYPE_I80200_CCNT 0x10001 /* cycle counter */
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#define PMC_TYPE_I80200_PMCx 0x10002 /* performance counter */
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#if defined(_KERNEL)
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#include <arm/cpuconf.h>
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struct arm_pmc_funcs {
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void (*fork)(struct proc *p1, struct proc *p2);
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int (*num_counters)(void);
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int (*counter_type)(int ctr);
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void (*save_context)(struct proc *p);
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void (*restore_context)(struct proc *p);
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void (*enable_counter)(struct proc *p, int ctr);
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void (*disable_counter)(struct proc *p, int ctr);
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void (*accumulate)(struct proc *parent, struct proc *child);
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void (*process_exit)(struct proc *p);
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int (*configure_counter)(struct proc *p, int ctr, struct pmc_counter_cfg *cfg);
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int (*get_counter_val)(struct proc *p, int ctr, int flags, uint64_t *pval);
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int (*counter_isconfigured)(struct proc *p, int ctr);
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int (*counter_isrunning)(struct proc *p, int ctr);
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int (*start_profiling)(int ctr, struct pmc_counter_cfg *cfg);
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int (*stop_profiling)(int ctr);
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int (*alloc_kernel_ctr)(int ctr, struct pmc_counter_cfg *cfg);
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int (*free_kernel_ctr)(int ctr);
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};
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extern struct arm_pmc_funcs *arm_pmc;
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#define pmc_md_fork(p1,p2) (arm_pmc->fork((p1),(p2)))
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#define pmc_get_num_counters() (arm_pmc->num_counters())
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#define pmc_get_counter_type(c) (arm_pmc->counter_type(c))
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#define pmc_save_context(p) (arm_pmc->save_context(p))
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#define pmc_restore_context(p) (arm_pmc->restore_context(p))
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#define pmc_enable_counter(p,c) (arm_pmc->enable_counter((p),(c)))
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#define pmc_disable_counter(p,c) (arm_pmc->disable_counter((p),(c)))
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#define pmc_accumulate(p1,p2) (arm_pmc->accumulate((p1),(p2)))
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#define pmc_process_exit(p1) (arm_pmc->process_exit(p))
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#define pmc_counter_isconfigured(p,c) (arm_pmc->counter_isconfigured((p),(c)))
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#define pmc_counter_isrunning(p,c) (arm_pmc->counter_isrunning((p),(c)))
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#define pmc_start_profiling(c,f) (arm_pmc->start_profiling((c),(f)))
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#define pmc_stop_profiling(c) (arm_pmc->stop_profiling((c)))
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#define pmc_alloc_kernel_counter(c,f) (arm_pmc->alloc_kernel_ctr((c),(f)))
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#define pmc_free_kernel_counter(c) (arm_pmc->free_kernel_ctr((c)))
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#define pmc_configure_counter(p,c,f) \
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(arm_pmc->configure_counter((p),(c),(f)))
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#define pmc_get_counter_value(p,c,f,pv) \
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(arm_pmc->get_counter_val((p),(c),(f),(pv)))
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#define PMC_ENABLED(p) (p)->p_md.pmc_enabled
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#endif /* defined(_KERNEL) */
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#endif /* _ARM_PMC_H_ */
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