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coresight.c
(3.41 KB)
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coresight.h
(4.45 KB)
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coresight_acpi.c
(8.8 KB)
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coresight_cmd.c
(4.29 KB)
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coresight_cpu_debug.c
(4.2 KB)
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coresight_etm4x.c
(6.84 KB)
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coresight_etm4x.h
(11.22 KB)
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coresight_etm4x_acpi.c
(2.89 KB)
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coresight_etm4x_fdt.c
(2.92 KB)
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coresight_fdt.c
(4.27 KB)
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coresight_funnel.c
(3.93 KB)
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coresight_funnel.h
(3.5 KB)
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coresight_funnel_acpi.c
(3.32 KB)
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coresight_funnel_fdt.c
(3.25 KB)
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coresight_if.m
(1.93 KB)
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coresight_replicator.c
(3.67 KB)
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coresight_replicator.h
(1.95 KB)
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coresight_replicator_acpi.c
(3.03 KB)
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coresight_replicator_fdt.c
(3.04 KB)
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coresight_tmc.c
(7.88 KB)
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coresight_tmc.h
(6.31 KB)
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coresight_tmc_acpi.c
(2.88 KB)
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coresight_tmc_fdt.c
(2.91 KB)
Editing: coresight_funnel.c
/*- * Copyright (c) 2018-2020 Ruslan Bukin <br@bsdpad.com> * All rights reserved. * * This software was developed by BAE Systems, the University of Cambridge * Computer Laboratory, and Memorial University under DARPA/AFRL contract * FA8650-15-C-7558 ("CADETS"), as part of the DARPA Transparent Computing * (TC) research program. * * 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. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/systm.h> #include <sys/bus.h> #include <sys/rman.h> #include <sys/kernel.h> #include <sys/module.h> #include <machine/bus.h> #include <arm64/coresight/coresight.h> #include <arm64/coresight/coresight_funnel.h> #include "coresight_if.h" #define FUNNEL_DEBUG #undef FUNNEL_DEBUG #ifdef FUNNEL_DEBUG #define dprintf(fmt, ...) printf(fmt, ##__VA_ARGS__) #else #define dprintf(fmt, ...) #endif static struct resource_spec funnel_spec[] = { { SYS_RES_MEMORY, 0, RF_ACTIVE }, { -1, 0 } }; static int funnel_init(device_t dev) { struct funnel_softc *sc; sc = device_get_softc(dev); if (sc->hwtype == HWTYPE_STATIC_FUNNEL) return (0); /* Unlock Coresight */ bus_write_4(sc->res, CORESIGHT_LAR, CORESIGHT_UNLOCK); dprintf("Device ID: %x\n", bus_read_4(sc->res, FUNNEL_DEVICEID)); return (0); } static int funnel_enable(device_t dev, struct endpoint *endp, struct coresight_event *event) { struct funnel_softc *sc; uint32_t reg; sc = device_get_softc(dev); if (sc->hwtype == HWTYPE_STATIC_FUNNEL) return (0); reg = bus_read_4(sc->res, FUNNEL_FUNCTL); reg &= ~(FUNCTL_HOLDTIME_MASK); reg |= (7 << FUNCTL_HOLDTIME_SHIFT); reg |= (1 << endp->reg); bus_write_4(sc->res, FUNNEL_FUNCTL, reg); return (0); } static void funnel_disable(device_t dev, struct endpoint *endp, struct coresight_event *event) { struct funnel_softc *sc; uint32_t reg; sc = device_get_softc(dev); if (sc->hwtype == HWTYPE_STATIC_FUNNEL) return; reg = bus_read_4(sc->res, FUNNEL_FUNCTL); reg &= ~(1 << endp->reg); bus_write_4(sc->res, FUNNEL_FUNCTL, reg); } int funnel_attach(device_t dev) { struct coresight_desc desc; struct funnel_softc *sc; sc = device_get_softc(dev); if (sc->hwtype == HWTYPE_FUNNEL && bus_alloc_resources(dev, funnel_spec, &sc->res) != 0) { device_printf(dev, "cannot allocate resources for device\n"); return (ENXIO); } desc.pdata = sc->pdata; desc.dev = dev; desc.dev_type = CORESIGHT_FUNNEL; coresight_register(&desc); return (0); } static device_method_t funnel_methods[] = { /* Coresight interface */ DEVMETHOD(coresight_init, funnel_init), DEVMETHOD(coresight_enable, funnel_enable), DEVMETHOD(coresight_disable, funnel_disable), DEVMETHOD_END }; DEFINE_CLASS_0(funnel, funnel_driver, funnel_methods, sizeof(struct funnel_softc));
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