LCOM1920-T02G10

/*        $NetBSD: pmc.h,v 1.8 2007/04/16 19:12:18 ad Exp $        */

/*-

 * Copyright (c) 2000 Zembu Labs, Inc.

 * All rights reserved.

 *

 * Author: Jason R. Thorpe <thorpej@zembu.com>

 *

 * 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 by Zembu Labs, Inc.

 * 4. Neither the name of Zembu Labs nor the names of its employees may

 *    be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY ZEMBU LABS, INC. ``AS IS'' AND ANY EXPRESS

 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WAR-

 * RANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DIS-

 * CLAIMED.  IN NO EVENT SHALL ZEMBU LABS 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 _I386_PMC_H_

#define        _I386_PMC_H_

#define        PMC_CLASS_I586                0x10000                /* i586-compatible */

#define        PMC_TYPE_I586_TSC        0x10001                /* cycle counter */

#define        PMC_TYPE_I586_PMCx        0x10002                /* performance counter */

#define        PMC_CLASS_I686                0x20000                /* i686-compatible */

#define        PMC_TYPE_I686_TSC        0x20001                /* cycle counter */

#define        PMC_TYPE_I686_PMCx        0x20002                /* performance counter */

#define        PMC_CLASS_K7                0x30000                /* K7-compatible */

#define        PMC_TYPE_K7_TSC                0x30001                /* cycle counter */

#define        PMC_TYPE_K7_PMCx        0x30002                /* performance counter */

/*

 * Each PMC event on the x86 is associated with a processor unit.  We

 * encode the unit in the upper 16 bits of the event ID.

 */

#define        __PMC_EVID_EVENT_MASK        0x0000ffff

#define        __PMC_EVID_UNIT_MASK        0xffff0000

#define        __PMC_UNIT(x)                ((x) << 16)

#define        __PMC_GET_UNIT(x)        (((x) & __PMC_EVID_UNIT_MASK) >> 16)

#define        __PMC_GET_EVENT(x)        ((x) & __PMC_EVID_EVENT_MASK)

#if defined(_KERNEL)

/*

 * LEGACY PMC support

 */

struct x86_pmc_info_args;

struct x86_pmc_startstop_args;

struct x86_pmc_read_args;

int        pmc_info(struct lwp *, struct x86_pmc_info_args *,

            register_t *);

int        pmc_startstop(struct lwp *, struct x86_pmc_startstop_args *,

            register_t *);

int        pmc_read(struct lwp *, struct x86_pmc_read_args *,

            register_t *);

/* END LEGACY PMC SUPPORT */

#define pmc_md_fork(p1,p2)

#define pmc_get_num_counters()                        (0)

#define pmc_get_counter_type(c)                        (0)

#define pmc_save_context(p)

#define pmc_restore_context(p)

#define pmc_enable_counter(p,c)

#define pmc_disable_counter(p,c)

#define pmc_accumulate(p1,p2)

#define pmc_process_exit(p1)

#define pmc_counter_isconfigured(p,c)                (0)

#define pmc_counter_isrunning(p,c)                (0)

#define pmc_start_profiling(c,f)                (0)

#define pmc_stop_profiling(c)                        (0)

#define pmc_alloc_kernel_counter(c,f)                (0)

#define pmc_free_kernel_counter(c)                (0)

#define pmc_configure_counter(p,c,f)                (0)

#define pmc_get_counter_value(p,c,f,pv)                (0)

#define PMC_ENABLED(p)                (0)

#endif /* _KERNEL */

#endif /* _I386_PMC_H_ */