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autoconf.c
(3.04 KB)
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bus_machdep.c
(6.32 KB)
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bus_space_asm.S
(2.42 KB)
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busdma_bounce.c
(36.49 KB)
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busdma_machdep.c
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clock.c
(2.32 KB)
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copyinout.S
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cpufunc_asm.S
(1.87 KB)
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db_disasm.c
(22.59 KB)
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db_interface.c
(4.42 KB)
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db_trace.c
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dump_machdep.c
(2.21 KB)
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elf_machdep.c
(13.43 KB)
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exception.S
(5.61 KB)
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genassym.c
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identcpu.c
(6.19 KB)
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in_cksum.c
(6.28 KB)
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intr_machdep.c
(6.11 KB)
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locore.S
(8.6 KB)
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machdep.c
(23.28 KB)
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mem.c
(3.69 KB)
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minidump_machdep.c
(9.58 KB)
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mp_machdep.c
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nexus.c
(10.73 KB)
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ofw_machdep.c
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plic.c
(11.93 KB)
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pmap.c
(119.71 KB)
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riscv_console.c
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riscv_syscon.c
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sbi.c
(8.96 KB)
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soc.c
(3.08 KB)
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stack_machdep.c
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support.S
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swtch.S
(10.98 KB)
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sys_machdep.c
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timer.c
(7.02 KB)
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trap.c
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uio_machdep.c
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uma_machdep.c
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unwind.c
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vm_machdep.c
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Editing: soc.c
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2018 Ruslan Bukin <br@bsdpad.com> * 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. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/module.h> #include <dev/fdt/simplebus.h> #include <dev/ofw/ofw_bus_subr.h> struct soc_softc { struct simplebus_softc simplebus_sc; device_t dev; }; static int soc_probe(device_t dev) { if (!ofw_bus_status_okay(dev)) return (ENXIO); if (!ofw_bus_is_compatible(dev, "riscv-virtio-soc")) return (ENXIO); device_set_desc(dev, "RISC-V SoC"); return (BUS_PROBE_DEFAULT); } static int soc_attach(device_t dev) { struct soc_softc *sc; phandle_t node; sc = device_get_softc(dev); sc->dev = dev; node = ofw_bus_get_node(dev); if (node == -1) return (ENXIO); simplebus_init(dev, node); /* * Allow devices to identify. */ bus_generic_probe(dev); /* * Now walk the OFW tree and attach top-level devices. */ for (node = OF_child(node); node > 0; node = OF_peer(node)) simplebus_add_device(dev, node, 0, NULL, -1, NULL); return (bus_generic_attach(dev)); } static int soc_detach(device_t dev) { return (0); } static device_method_t soc_methods[] = { DEVMETHOD(device_probe, soc_probe), DEVMETHOD(device_attach, soc_attach), DEVMETHOD(device_detach, soc_detach), DEVMETHOD_END }; DEFINE_CLASS_1(soc, soc_driver, soc_methods, sizeof(struct soc_softc), simplebus_driver); static devclass_t soc_devclass; EARLY_DRIVER_MODULE(soc, simplebus, soc_driver, soc_devclass, 0, 0, BUS_PASS_INTERRUPT + BUS_PASS_ORDER_MIDDLE); MODULE_VERSION(soc, 1);
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