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head/usr.sbin/bhyve/kernemu_dev.c
| Property | Old Value | New Value |
|---|---|---|
| svn:eol-style | null | native \ No newline at end of property |
| svn:keywords | null | FreeBSD=%H \ No newline at end of property |
| svn:mime-type | null | text/plain \ No newline at end of property |
| /*- | |||||
| * SPDX-License-Identifier: BSD-2-Clause-FreeBSD | |||||
| * | |||||
| * Copyright 2020 Conrad Meyer <cem@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 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/errno.h> | |||||
| #include <sys/tree.h> | |||||
| #include <amd64/include/vmm.h> | |||||
| #include <x86/include/apicreg.h> | |||||
| struct vm; | |||||
| struct vm_hpet_cap; | |||||
| #include <vmm/io/vioapic.h> | |||||
| #include <vmm/io/vhpet.h> | |||||
| #include <err.h> | |||||
| #include <errno.h> | |||||
| #include <vmmapi.h> | |||||
| #include "kernemu_dev.h" | |||||
| #include "mem.h" | |||||
| static int | |||||
| apic_handler(struct vmctx *ctx, int vcpu, int dir, uint64_t addr, int size, | |||||
| uint64_t *val, void *arg1 __unused, long arg2 __unused) | |||||
| { | |||||
| if (vm_readwrite_kernemu_device(ctx, vcpu, addr, (dir == MEM_F_WRITE), | |||||
| size, val) != 0) | |||||
| return (errno); | |||||
| return (0); | |||||
| } | |||||
| static struct mem_range lapic_mmio = { | |||||
| .name = "kern-lapic-mmio", | |||||
| .base = DEFAULT_APIC_BASE, | |||||
| .size = PAGE_SIZE, | |||||
| .flags = MEM_F_RW | MEM_F_IMMUTABLE, | |||||
| .handler = apic_handler, | |||||
| }; | |||||
| static struct mem_range ioapic_mmio = { | |||||
| .name = "kern-ioapic-mmio", | |||||
| .base = VIOAPIC_BASE, | |||||
| .size = VIOAPIC_SIZE, | |||||
| .flags = MEM_F_RW | MEM_F_IMMUTABLE, | |||||
| .handler = apic_handler, | |||||
| }; | |||||
| static struct mem_range hpet_mmio = { | |||||
| .name = "kern-hpet-mmio", | |||||
| .base = VHPET_BASE, | |||||
| .size = VHPET_SIZE, | |||||
| .flags = MEM_F_RW | MEM_F_IMMUTABLE, | |||||
| .handler = apic_handler, | |||||
| }; | |||||
| void | |||||
| kernemu_dev_init(void) | |||||
| { | |||||
| int rc; | |||||
| rc = register_mem(&lapic_mmio); | |||||
| if (rc != 0) | |||||
| errc(4, rc, "register_mem: LAPIC (0x%08x)", | |||||
| (unsigned)lapic_mmio.base); | |||||
| rc = register_mem(&ioapic_mmio); | |||||
| if (rc != 0) | |||||
| errc(4, rc, "register_mem: IOAPIC (0x%08x)", | |||||
| (unsigned)ioapic_mmio.base); | |||||
| rc = register_mem(&hpet_mmio); | |||||
| if (rc != 0) | |||||
| errc(4, rc, "register_mem: HPET (0x%08x)", | |||||
| (unsigned)hpet_mmio.base); | |||||
| } | |||||