pmc_mdep.h revision 235831
1/*- 2 * Copyright (c) 2009 Rui Paulo <rpaulo@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 18 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 20 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 22 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 23 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 24 * POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD: head/sys/arm/include/pmc_mdep.h 235831 2012-05-23 13:23:40Z fabient $ 27 */ 28 29#ifndef _MACHINE_PMC_MDEP_H_ 30#define _MACHINE_PMC_MDEP_H_ 31 32#define PMC_MDEP_CLASS_INDEX_XSCALE 1 33/* 34 * On the ARM platform we support the following PMCs. 35 * 36 * XSCALE Intel XScale processors 37 */ 38#include <dev/hwpmc/hwpmc_xscale.h> 39 40union pmc_md_op_pmcallocate { 41 uint64_t __pad[4]; 42}; 43 44/* Logging */ 45#define PMCLOG_READADDR PMCLOG_READ32 46#define PMCLOG_EMITADDR PMCLOG_EMIT32 47 48#ifdef _KERNEL 49union pmc_md_pmc { 50 struct pmc_md_xscale_pmc pm_xscale; 51}; 52 53#define PMC_TRAPFRAME_TO_PC(TF) ((TF)->tf_pc) 54#define PMC_TRAPFRAME_TO_FP(TF) ((TF)->tf_usr_lr) 55#define PMC_TRAPFRAME_TO_SP(TF) ((TF)->tf_usr_sp) 56 57/* Build a fake kernel trapframe from current instruction pointer. */ 58#define PMC_FAKE_TRAPFRAME(TF) \ 59 do { \ 60 __asm __volatile("mov %0, pc" : "=r" ((TF)->tf_pc)); \ 61 } while (0) 62 63/* 64 * Prototypes 65 */ 66struct pmc_mdep *pmc_xscale_initialize(void); 67void pmc_xscale_finalize(struct pmc_mdep *_md); 68#endif /* _KERNEL */ 69 70#endif /* !_MACHINE_PMC_MDEP_H_ */ 71