diff --git a/sys/arm/arm/pmu.c b/sys/arm/arm/pmu.c index 98d8cdcf2df8..050121934447 100644 --- a/sys/arm/arm/pmu.c +++ b/sys/arm/arm/pmu.c @@ -1,159 +1,155 @@ /*- * Copyright (c) 2015 Ruslan Bukin * All rights reserved. * * This software was developed by SRI International and the University of * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237) * ("CTSRD"), as part of the DARPA CRASH research programme. * * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. */ /* * Performance Monitoring Unit */ #include #include "opt_hwpmc_hooks.h" #include #include #include #include #include #include #include #include #include #include #include +#include #include #include #include #include "pmu.h" /* CCNT */ #if defined(__arm__) && (__ARM_ARCH > 6) int pmu_attched = 0; uint32_t ccnt_hi[MAXCPU]; #endif #define PMU_OVSR_C 0x80000000 /* Cycle Counter */ #define PMU_IESR_C 0x80000000 /* Cycle Counter */ static int pmu_intr(void *arg) { -#ifdef HWPMC_HOOKS - struct trapframe *tf; -#endif uint32_t r; #if defined(__arm__) && (__ARM_ARCH > 6) u_int cpu; cpu = PCPU_GET(cpuid); r = cp15_pmovsr_get(); if (r & PMU_OVSR_C) { atomic_add_32(&ccnt_hi[cpu], 1); /* Clear the event. */ r &= ~PMU_OVSR_C; cp15_pmovsr_set(PMU_OVSR_C); } #else r = 1; #endif #ifdef HWPMC_HOOKS /* Only call into the HWPMC framework if we know there is work. */ - if (r != 0 && pmc_intr) { - tf = arg; - (*pmc_intr)(tf); - } + if (r != 0 && pmc_intr) + (*pmc_intr)(curthread->td_intr_frame); #endif return (FILTER_HANDLED); } int pmu_attach(device_t dev) { struct pmu_softc *sc; #if defined(__arm__) && (__ARM_ARCH > 6) uint32_t iesr; #endif int err, i; sc = device_get_softc(dev); sc->dev = dev; for (i = 0; i < MAX_RLEN; i++) { if (sc->irq[i].res == NULL) break; err = bus_setup_intr(dev, sc->irq[i].res, INTR_MPSAFE | INTR_TYPE_MISC, pmu_intr, NULL, NULL, &sc->irq[i].ih); if (err != 0) { device_printf(dev, "Unable to setup interrupt handler.\n"); goto fail; } if (sc->irq[i].cpuid != -1) { err = bus_bind_intr(dev, sc->irq[i].res, sc->irq[i].cpuid); if (err != 0) { device_printf(sc->dev, "Unable to bind interrupt.\n"); goto fail; } } } #if defined(__arm__) && (__ARM_ARCH > 6) /* Initialize to 0. */ for (i = 0; i < MAXCPU; i++) ccnt_hi[i] = 0; /* Enable the interrupt to fire on overflow. */ iesr = cp15_pminten_get(); iesr |= PMU_IESR_C; cp15_pminten_set(iesr); /* Need this for getcyclecount() fast path. */ pmu_attched |= 1; #endif return (0); fail: for (i = 1; i < MAX_RLEN; i++) { if (sc->irq[i].ih != NULL) bus_teardown_intr(dev, sc->irq[i].res, sc->irq[i].ih); if (sc->irq[i].res != NULL) bus_release_resource(dev, SYS_RES_IRQ, i, sc->irq[i].res); } return(err); }