f7db53a9d1
This brings hwpmc(4) support for 2nd and 3rd generation XScale cores. Right now it's enabled by default to make sure we test this a bit. When the time comes it can be disabled by default. Tested on Gateworks boards. A man page is coming. Obtained from: //depot/user/rpaulo/xscalepmc/...
65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
/*-
|
|
* Copyright (c) 2009 Rui Paulo <rpaulo@FreeBSD.org>
|
|
* 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 ``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 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 _MACHINE_PMC_MDEP_H_
|
|
#define _MACHINE_PMC_MDEP_H_
|
|
|
|
#define PMC_MDEP_CLASS_INDEX_XSCALE 0
|
|
/*
|
|
* On the ARM platform we support the following PMCs.
|
|
*
|
|
* XSCALE Intel XScale processors
|
|
*/
|
|
#include <dev/hwpmc/hwpmc_xscale.h>
|
|
|
|
union pmc_md_op_pmcallocate {
|
|
uint64_t __pad[4];
|
|
};
|
|
|
|
/* Logging */
|
|
#define PMCLOG_READADDR PMCLOG_READ32
|
|
#define PMCLOG_EMITADDR PMCLOG_EMIT32
|
|
|
|
#ifdef _KERNEL
|
|
union pmc_md_pmc {
|
|
struct pmc_md_xscale_pmc pm_xscale;
|
|
};
|
|
|
|
#define PMC_TRAPFRAME_TO_PC(TF) ((TF)->tf_pc)
|
|
#define PMC_TRAPFRAME_TO_FP(TF) ((TF)->tf_usr_lr)
|
|
#define PMC_TRAPFRAME_TO_SP(TF) ((TF)->tf_usr_sp)
|
|
|
|
/*
|
|
* Prototypes
|
|
*/
|
|
struct pmc_mdep *pmc_xscale_initialize(void);
|
|
void pmc_xscale_finalize(struct pmc_mdep *_md);
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* !_MACHINE_PMC_MDEP_H_ */
|