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freebsd/sys/arm/include/pmc_mdep.h
Fabien Thomas 790fb4edf2 Add ARM callchain support for hwpmc.
Sponsored by: NETASQ
MFC after:	3 days
2012-06-13 06:38:25 +00:00

79 lines
2.5 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 1
/*
* 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_IN_KERNEL_STACK(S,START,END) \
((S) >= (START) && (S) < (END))
#define PMC_IN_KERNEL(va) (((va) >= USRSTACK) && \
((va) < VM_MAX_KERNEL_ADDRESS))
#define PMC_IN_USERSPACE(va) ((va) <= VM_MAXUSER_ADDRESS)
#define PMC_TRAPFRAME_TO_PC(TF) ((TF)->tf_pc)
#define PMC_TRAPFRAME_TO_FP(TF) ((TF)->tf_r11)
#define PMC_TRAPFRAME_TO_SVC_SP(TF) ((TF)->tf_svc_sp)
#define PMC_TRAPFRAME_TO_USR_SP(TF) ((TF)->tf_usr_sp)
/* Build a fake kernel trapframe from current instruction pointer. */
#define PMC_FAKE_TRAPFRAME(TF) \
do { \
__asm __volatile("mov %0, pc" : "=r" ((TF)->tf_pc)); \
} while (0)
/*
* Prototypes
*/
struct pmc_mdep *pmc_xscale_initialize(void);
void pmc_xscale_finalize(struct pmc_mdep *_md);
#endif /* _KERNEL */
#endif /* !_MACHINE_PMC_MDEP_H_ */