mirror of
https://github.com/freebsd/freebsd-src
synced 2024-10-15 21:05:08 +00:00
e2e956828c
1. In basl_load() function, when allocation fails, it returns an EFAULT instead of ENOMEM. An EFAULT can mislead in some scenarios, whereas an ENOMEM for an allocation function makes much more sense. 2. Call free() on addr, as it's not being used anymore after the basl_table_append_bytes() function. Signed-off-by: rilysh <nightquick@proton.me> MFC after: 1 week Pull Request: https://github.com/freebsd/freebsd-src/pull/1016
781 lines
20 KiB
C
781 lines
20 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2012 NetApp, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* bhyve ACPI table generator.
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*
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* Create the minimal set of ACPI tables required to boot FreeBSD (and
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* hopefully other o/s's).
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*
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* The tables are placed in the guest's ROM area just below 1MB physical,
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* above the MPTable.
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*/
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#include <sys/param.h>
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#include <sys/endian.h>
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#include <sys/errno.h>
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#include <sys/stat.h>
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#include <err.h>
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#include <paths.h>
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#include <stdarg.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <machine/vmm.h>
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#include <vmmapi.h>
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#include "bhyverun.h"
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#include "acpi.h"
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#include "basl.h"
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#include "pci_emul.h"
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#include "vmgenc.h"
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#define BHYVE_ASL_TEMPLATE "bhyve.XXXXXXX"
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#define BHYVE_ASL_SUFFIX ".aml"
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#define BHYVE_ASL_COMPILER "/usr/sbin/iasl"
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#define BHYVE_ADDRESS_IOAPIC 0xFEC00000
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#define BHYVE_ADDRESS_HPET 0xFED00000
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#define BHYVE_ADDRESS_LAPIC 0xFEE00000
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static int basl_keep_temps;
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static int basl_verbose_iasl;
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static int basl_ncpu;
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/*
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* Contains the full pathname of the template to be passed
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* to mkstemp/mktemps(3)
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*/
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static char basl_template[MAXPATHLEN];
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static char basl_stemplate[MAXPATHLEN];
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/*
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* State for dsdt_line(), dsdt_indent(), and dsdt_unindent().
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*/
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static FILE *dsdt_fp;
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static int dsdt_indent_level;
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static int dsdt_error;
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struct basl_fio {
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int fd;
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FILE *fp;
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char f_name[MAXPATHLEN];
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};
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#define EFPRINTF(...) \
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if (fprintf(__VA_ARGS__) < 0) goto err_exit
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#define EFFLUSH(x) \
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if (fflush(x) != 0) goto err_exit
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/*
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* A list for additional ACPI devices like a TPM.
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*/
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struct acpi_device_list_entry {
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SLIST_ENTRY(acpi_device_list_entry) chain;
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const struct acpi_device *dev;
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};
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static SLIST_HEAD(acpi_device_list,
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acpi_device_list_entry) acpi_devices = SLIST_HEAD_INITIALIZER(acpi_devices);
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int
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acpi_tables_add_device(const struct acpi_device *const dev)
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{
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struct acpi_device_list_entry *const entry = calloc(1, sizeof(*entry));
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if (entry == NULL) {
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return (ENOMEM);
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}
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entry->dev = dev;
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SLIST_INSERT_HEAD(&acpi_devices, entry, chain);
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return (0);
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}
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/*
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* Helper routines for writing to the DSDT from other modules.
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*/
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void
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dsdt_line(const char *fmt, ...)
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{
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va_list ap;
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if (dsdt_error != 0)
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return;
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if (strcmp(fmt, "") != 0) {
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if (dsdt_indent_level != 0)
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EFPRINTF(dsdt_fp, "%*c", dsdt_indent_level * 2, ' ');
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va_start(ap, fmt);
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if (vfprintf(dsdt_fp, fmt, ap) < 0) {
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va_end(ap);
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goto err_exit;
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}
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va_end(ap);
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}
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EFPRINTF(dsdt_fp, "\n");
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return;
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err_exit:
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dsdt_error = errno;
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}
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void
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dsdt_indent(int levels)
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{
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dsdt_indent_level += levels;
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assert(dsdt_indent_level >= 0);
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}
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void
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dsdt_unindent(int levels)
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{
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assert(dsdt_indent_level >= levels);
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dsdt_indent_level -= levels;
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}
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void
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dsdt_fixed_ioport(uint16_t iobase, uint16_t length)
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{
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dsdt_line("IO (Decode16,");
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dsdt_line(" 0x%04X, // Range Minimum", iobase);
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dsdt_line(" 0x%04X, // Range Maximum", iobase);
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dsdt_line(" 0x01, // Alignment");
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dsdt_line(" 0x%02X, // Length", length);
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dsdt_line(" )");
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}
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void
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dsdt_fixed_irq(uint8_t irq)
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{
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dsdt_line("IRQNoFlags ()");
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dsdt_line(" {%d}", irq);
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}
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void
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dsdt_fixed_mem32(uint32_t base, uint32_t length)
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{
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dsdt_line("Memory32Fixed (ReadWrite,");
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dsdt_line(" 0x%08X, // Address Base", base);
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dsdt_line(" 0x%08X, // Address Length", length);
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dsdt_line(" )");
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}
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static int
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basl_fwrite_dsdt(FILE *fp)
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{
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dsdt_fp = fp;
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dsdt_error = 0;
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dsdt_indent_level = 0;
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dsdt_line("/*");
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dsdt_line(" * bhyve DSDT template");
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dsdt_line(" */");
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dsdt_line("DefinitionBlock (\"bhyve_dsdt.aml\", \"DSDT\", 2,"
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"\"BHYVE \", \"BVDSDT \", 0x00000001)");
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dsdt_line("{");
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dsdt_line(" Name (_S5, Package ()");
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dsdt_line(" {");
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dsdt_line(" 0x05,");
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dsdt_line(" Zero,");
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dsdt_line(" })");
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pci_write_dsdt();
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#ifdef __amd64__
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dsdt_line("");
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dsdt_line(" Scope (_SB.PC00)");
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dsdt_line(" {");
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dsdt_line(" Device (HPET)");
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dsdt_line(" {");
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dsdt_line(" Name (_HID, EISAID(\"PNP0103\"))");
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dsdt_line(" Name (_UID, 0)");
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dsdt_line(" Name (_CRS, ResourceTemplate ()");
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dsdt_line(" {");
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dsdt_indent(4);
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dsdt_fixed_mem32(0xFED00000, 0x400);
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dsdt_unindent(4);
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dsdt_line(" })");
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dsdt_line(" }");
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dsdt_line(" }");
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#endif
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vmgenc_write_dsdt();
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const struct acpi_device_list_entry *entry;
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SLIST_FOREACH(entry, &acpi_devices, chain) {
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BASL_EXEC(acpi_device_write_dsdt(entry->dev));
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}
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dsdt_line("}");
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if (dsdt_error != 0)
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return (dsdt_error);
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EFFLUSH(fp);
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return (0);
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err_exit:
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return (errno);
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}
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static int
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basl_open(struct basl_fio *bf, int suffix)
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{
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int err;
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err = 0;
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if (suffix) {
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strlcpy(bf->f_name, basl_stemplate, MAXPATHLEN);
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bf->fd = mkstemps(bf->f_name, strlen(BHYVE_ASL_SUFFIX));
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} else {
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strlcpy(bf->f_name, basl_template, MAXPATHLEN);
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bf->fd = mkstemp(bf->f_name);
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}
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if (bf->fd > 0) {
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bf->fp = fdopen(bf->fd, "w+");
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if (bf->fp == NULL) {
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unlink(bf->f_name);
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close(bf->fd);
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}
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} else {
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err = 1;
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}
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return (err);
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}
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static void
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basl_close(struct basl_fio *bf)
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{
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if (!basl_keep_temps)
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unlink(bf->f_name);
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fclose(bf->fp);
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}
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static int
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basl_start(struct basl_fio *in, struct basl_fio *out)
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{
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int err;
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err = basl_open(in, 0);
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if (!err) {
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err = basl_open(out, 1);
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if (err) {
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basl_close(in);
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}
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}
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return (err);
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}
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static void
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basl_end(struct basl_fio *in, struct basl_fio *out)
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{
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basl_close(in);
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basl_close(out);
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}
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static int
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basl_load(struct vmctx *ctx, int fd)
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{
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struct stat sb;
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void *addr;
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if (fstat(fd, &sb) < 0)
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return (errno);
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addr = calloc(1, sb.st_size);
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if (addr == NULL)
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return (ENOMEM);
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if (read(fd, addr, sb.st_size) < 0)
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return (errno);
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struct basl_table *table;
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uint8_t name[ACPI_NAMESEG_SIZE + 1] = { 0 };
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memcpy(name, addr, sizeof(name) - 1 /* last char is '\0' */);
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BASL_EXEC(basl_table_create(&table, ctx, name, BASL_TABLE_ALIGNMENT));
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BASL_EXEC(basl_table_append_bytes(table, addr, sb.st_size));
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free(addr);
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return (0);
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}
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static int
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basl_compile(struct vmctx *ctx, int (*fwrite_section)(FILE *))
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{
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struct basl_fio io[2];
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static char iaslbuf[3*MAXPATHLEN + 10];
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const char *fmt;
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int err;
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err = basl_start(&io[0], &io[1]);
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if (!err) {
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err = (*fwrite_section)(io[0].fp);
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if (!err) {
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/*
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* iasl sends the results of the compilation to
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* stdout. Shut this down by using the shell to
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* redirect stdout to /dev/null, unless the user
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* has requested verbose output for debugging
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* purposes
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*/
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fmt = basl_verbose_iasl ?
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"%s -p %s %s" :
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"/bin/sh -c \"%s -p %s %s\" 1> /dev/null";
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snprintf(iaslbuf, sizeof(iaslbuf),
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fmt,
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BHYVE_ASL_COMPILER,
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io[1].f_name, io[0].f_name);
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err = system(iaslbuf);
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if (!err) {
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/*
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* Copy the aml output file into guest
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* memory at the specified location
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*/
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err = basl_load(ctx, io[1].fd);
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}
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}
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basl_end(&io[0], &io[1]);
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}
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return (err);
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}
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static int
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basl_make_templates(void)
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{
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const char *tmpdir;
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int err;
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int len;
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err = 0;
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/*
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*
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*/
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if ((tmpdir = getenv("BHYVE_TMPDIR")) == NULL || *tmpdir == '\0' ||
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(tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0') {
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tmpdir = _PATH_TMP;
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}
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len = strlen(tmpdir);
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if ((len + sizeof(BHYVE_ASL_TEMPLATE) + 1) < MAXPATHLEN) {
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strcpy(basl_template, tmpdir);
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while (len > 0 && basl_template[len - 1] == '/')
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len--;
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basl_template[len] = '/';
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strcpy(&basl_template[len + 1], BHYVE_ASL_TEMPLATE);
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} else
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err = E2BIG;
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if (!err) {
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/*
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* len has been initialized (and maybe adjusted) above
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*/
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if ((len + sizeof(BHYVE_ASL_TEMPLATE) + 1 +
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sizeof(BHYVE_ASL_SUFFIX)) < MAXPATHLEN) {
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strcpy(basl_stemplate, tmpdir);
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basl_stemplate[len] = '/';
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strcpy(&basl_stemplate[len + 1], BHYVE_ASL_TEMPLATE);
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len = strlen(basl_stemplate);
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strcpy(&basl_stemplate[len], BHYVE_ASL_SUFFIX);
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} else
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err = E2BIG;
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}
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return (err);
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}
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static int
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build_dsdt(struct vmctx *const ctx)
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{
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BASL_EXEC(basl_compile(ctx, basl_fwrite_dsdt));
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return (0);
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}
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static int
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build_facs(struct vmctx *const ctx)
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{
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ACPI_TABLE_FACS facs;
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struct basl_table *table;
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BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_FACS,
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BASL_TABLE_ALIGNMENT_FACS));
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memset(&facs, 0, sizeof(facs));
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memcpy(facs.Signature, ACPI_SIG_FACS, ACPI_NAMESEG_SIZE);
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facs.Length = sizeof(facs);
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facs.Version = htole32(2);
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BASL_EXEC(basl_table_append_bytes(table, &facs, sizeof(facs)));
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return (0);
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}
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static int
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build_fadt(struct vmctx *const ctx)
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{
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ACPI_TABLE_FADT fadt;
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struct basl_table *table;
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BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_FADT,
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BASL_TABLE_ALIGNMENT));
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memset(&fadt, 0, sizeof(fadt));
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BASL_EXEC(basl_table_append_header(table, ACPI_SIG_FADT, 5, 1));
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fadt.Facs = htole32(0); /* patched by basl */
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fadt.Dsdt = htole32(0); /* patched by basl */
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fadt.SciInterrupt = htole16(SCI_INT);
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fadt.SmiCommand = htole32(SMI_CMD);
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fadt.AcpiEnable = BHYVE_ACPI_ENABLE;
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fadt.AcpiDisable = BHYVE_ACPI_DISABLE;
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fadt.Pm1aEventBlock = htole32(PM1A_EVT_ADDR);
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fadt.Pm1aControlBlock = htole32(PM1A_CNT_ADDR);
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fadt.PmTimerBlock = htole32(IO_PMTMR);
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fadt.Gpe0Block = htole32(IO_GPE0_BLK);
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fadt.Pm1EventLength = 4;
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fadt.Pm1ControlLength = 2;
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fadt.PmTimerLength = 4;
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fadt.Gpe0BlockLength = IO_GPE0_LEN;
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fadt.Century = 0x32;
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fadt.BootFlags = htole16(ACPI_FADT_NO_VGA | ACPI_FADT_NO_ASPM);
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fadt.Flags = htole32(ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
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ACPI_FADT_SLEEP_BUTTON | ACPI_FADT_32BIT_TIMER |
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ACPI_FADT_RESET_REGISTER | ACPI_FADT_HEADLESS |
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ACPI_FADT_APIC_PHYSICAL);
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basl_fill_gas(&fadt.ResetRegister, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0,
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ACPI_GAS_ACCESS_WIDTH_BYTE, 0xCF9);
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fadt.ResetValue = 6;
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fadt.MinorRevision = 1;
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fadt.XFacs = htole64(0); /* patched by basl */
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fadt.XDsdt = htole64(0); /* patched by basl */
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basl_fill_gas(&fadt.XPm1aEventBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0x20, 0,
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ACPI_GAS_ACCESS_WIDTH_WORD, PM1A_EVT_ADDR);
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basl_fill_gas(&fadt.XPm1bEventBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0, 0,
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ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0);
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basl_fill_gas(&fadt.XPm1aControlBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0x10,
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0, ACPI_GAS_ACCESS_WIDTH_WORD, PM1A_CNT_ADDR);
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basl_fill_gas(&fadt.XPm1bControlBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0, 0,
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ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0);
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basl_fill_gas(&fadt.XPm2ControlBlock, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0,
|
|
ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0);
|
|
basl_fill_gas(&fadt.XPmTimerBlock, ACPI_ADR_SPACE_SYSTEM_IO, 0x20, 0,
|
|
ACPI_GAS_ACCESS_WIDTH_DWORD, IO_PMTMR);
|
|
basl_fill_gas(&fadt.XGpe0Block, ACPI_ADR_SPACE_SYSTEM_IO,
|
|
IO_GPE0_LEN * 8, 0, ACPI_GAS_ACCESS_WIDTH_BYTE, IO_GPE0_BLK);
|
|
basl_fill_gas(&fadt.XGpe1Block, ACPI_ADR_SPACE_SYSTEM_IO, 0, 0,
|
|
ACPI_GAS_ACCESS_WIDTH_UNDEFINED, 0);
|
|
basl_fill_gas(&fadt.SleepControl, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0,
|
|
ACPI_GAS_ACCESS_WIDTH_BYTE, 0);
|
|
basl_fill_gas(&fadt.SleepStatus, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0,
|
|
ACPI_GAS_ACCESS_WIDTH_BYTE, 0);
|
|
BASL_EXEC(basl_table_append_content(table, &fadt, sizeof(fadt)));
|
|
|
|
BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_FACS,
|
|
offsetof(ACPI_TABLE_FADT, Facs), sizeof(fadt.Facs)));
|
|
BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_DSDT,
|
|
offsetof(ACPI_TABLE_FADT, Dsdt), sizeof(fadt.Dsdt)));
|
|
BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_FACS,
|
|
offsetof(ACPI_TABLE_FADT, XFacs), sizeof(fadt.XFacs)));
|
|
BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_DSDT,
|
|
offsetof(ACPI_TABLE_FADT, XDsdt), sizeof(fadt.XDsdt)));
|
|
|
|
BASL_EXEC(basl_table_register_to_rsdt(table));
|
|
|
|
return (0);
|
|
}
|
|
|
|
#ifdef __amd64__
|
|
static int
|
|
build_hpet(struct vmctx *const ctx)
|
|
{
|
|
ACPI_TABLE_HPET hpet;
|
|
struct basl_table *table;
|
|
uint32_t hpet_capabilities;
|
|
int err;
|
|
|
|
err = vm_get_hpet_capabilities(ctx, &hpet_capabilities);
|
|
if (err != 0)
|
|
return (err);
|
|
|
|
BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_HPET,
|
|
BASL_TABLE_ALIGNMENT));
|
|
|
|
memset(&hpet, 0, sizeof(hpet));
|
|
BASL_EXEC(basl_table_append_header(table, ACPI_SIG_HPET, 1, 1));
|
|
hpet.Id = htole32(hpet_capabilities);
|
|
basl_fill_gas(&hpet.Address, ACPI_ADR_SPACE_SYSTEM_MEMORY, 0, 0,
|
|
ACPI_GAS_ACCESS_WIDTH_LEGACY, BHYVE_ADDRESS_HPET);
|
|
hpet.Flags = ACPI_HPET_PAGE_PROTECT4;
|
|
BASL_EXEC(basl_table_append_content(table, &hpet, sizeof(hpet)));
|
|
|
|
BASL_EXEC(basl_table_register_to_rsdt(table));
|
|
|
|
return (0);
|
|
}
|
|
#endif
|
|
|
|
static int
|
|
build_madt(struct vmctx *const ctx)
|
|
{
|
|
ACPI_TABLE_MADT madt;
|
|
ACPI_MADT_LOCAL_APIC madt_lapic;
|
|
ACPI_MADT_IO_APIC madt_ioapic;
|
|
ACPI_MADT_INTERRUPT_OVERRIDE madt_irq_override;
|
|
ACPI_MADT_LOCAL_APIC_NMI madt_lapic_nmi;
|
|
struct basl_table *table;
|
|
|
|
BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_MADT,
|
|
BASL_TABLE_ALIGNMENT));
|
|
|
|
memset(&madt, 0, sizeof(madt));
|
|
BASL_EXEC(basl_table_append_header(table, ACPI_SIG_MADT, 1, 1));
|
|
madt.Address = htole32(BHYVE_ADDRESS_LAPIC);
|
|
madt.Flags = htole32(ACPI_MADT_PCAT_COMPAT);
|
|
BASL_EXEC(basl_table_append_content(table, &madt, sizeof(madt)));
|
|
|
|
/* Local APIC for each CPU */
|
|
for (int i = 0; i < basl_ncpu; ++i) {
|
|
memset(&madt_lapic, 0, sizeof(madt_lapic));
|
|
madt_lapic.Header.Type = ACPI_MADT_TYPE_LOCAL_APIC;
|
|
madt_lapic.Header.Length = sizeof(madt_lapic);
|
|
madt_lapic.ProcessorId = i;
|
|
madt_lapic.Id = i;
|
|
madt_lapic.LapicFlags = htole32(ACPI_MADT_ENABLED);
|
|
BASL_EXEC(basl_table_append_bytes(table, &madt_lapic,
|
|
sizeof(madt_lapic)));
|
|
}
|
|
|
|
/* I/O APIC */
|
|
memset(&madt_ioapic, 0, sizeof(madt_ioapic));
|
|
madt_ioapic.Header.Type = ACPI_MADT_TYPE_IO_APIC;
|
|
madt_ioapic.Header.Length = sizeof(madt_ioapic);
|
|
madt_ioapic.Address = htole32(BHYVE_ADDRESS_IOAPIC);
|
|
BASL_EXEC(
|
|
basl_table_append_bytes(table, &madt_ioapic, sizeof(madt_ioapic)));
|
|
|
|
/* Legacy IRQ0 is connected to pin 2 of the I/O APIC */
|
|
memset(&madt_irq_override, 0, sizeof(madt_irq_override));
|
|
madt_irq_override.Header.Type = ACPI_MADT_TYPE_INTERRUPT_OVERRIDE;
|
|
madt_irq_override.Header.Length = sizeof(madt_irq_override);
|
|
madt_irq_override.GlobalIrq = htole32(2);
|
|
madt_irq_override.IntiFlags = htole16(
|
|
ACPI_MADT_POLARITY_ACTIVE_HIGH | ACPI_MADT_TRIGGER_EDGE);
|
|
BASL_EXEC(basl_table_append_bytes(table, &madt_irq_override,
|
|
sizeof(madt_irq_override)));
|
|
|
|
memset(&madt_irq_override, 0, sizeof(madt_irq_override));
|
|
madt_irq_override.Header.Type = ACPI_MADT_TYPE_INTERRUPT_OVERRIDE;
|
|
madt_irq_override.Header.Length = sizeof(madt_irq_override);
|
|
madt_irq_override.SourceIrq = SCI_INT;
|
|
madt_irq_override.GlobalIrq = htole32(SCI_INT);
|
|
madt_irq_override.IntiFlags = htole16(
|
|
ACPI_MADT_POLARITY_ACTIVE_LOW | ACPI_MADT_TRIGGER_LEVEL);
|
|
BASL_EXEC(basl_table_append_bytes(table, &madt_irq_override,
|
|
sizeof(madt_irq_override)));
|
|
|
|
/* Local APIC NMI is conntected to LINT 1 on all CPUs */
|
|
memset(&madt_lapic_nmi, 0, sizeof(madt_lapic_nmi));
|
|
madt_lapic_nmi.Header.Type = ACPI_MADT_TYPE_LOCAL_APIC_NMI;
|
|
madt_lapic_nmi.Header.Length = sizeof(madt_lapic_nmi);
|
|
madt_lapic_nmi.ProcessorId = 0xFF;
|
|
madt_lapic_nmi.IntiFlags = htole16(
|
|
ACPI_MADT_POLARITY_ACTIVE_HIGH | ACPI_MADT_TRIGGER_EDGE);
|
|
madt_lapic_nmi.Lint = 1;
|
|
BASL_EXEC(basl_table_append_bytes(table, &madt_lapic_nmi,
|
|
sizeof(madt_lapic_nmi)));
|
|
|
|
BASL_EXEC(basl_table_register_to_rsdt(table));
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
build_mcfg(struct vmctx *const ctx)
|
|
{
|
|
ACPI_TABLE_MCFG mcfg;
|
|
ACPI_MCFG_ALLOCATION mcfg_allocation;
|
|
struct basl_table *table;
|
|
|
|
BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_MCFG,
|
|
BASL_TABLE_ALIGNMENT));
|
|
|
|
memset(&mcfg, 0, sizeof(mcfg));
|
|
BASL_EXEC(basl_table_append_header(table, ACPI_SIG_MCFG, 1, 1));
|
|
BASL_EXEC(basl_table_append_content(table, &mcfg, sizeof(mcfg)));
|
|
|
|
memset(&mcfg_allocation, 0, sizeof(mcfg_allocation));
|
|
mcfg_allocation.Address = htole64(pci_ecfg_base());
|
|
mcfg_allocation.EndBusNumber = 0xFF;
|
|
BASL_EXEC(basl_table_append_bytes(table, &mcfg_allocation,
|
|
sizeof(mcfg_allocation)));
|
|
|
|
BASL_EXEC(basl_table_register_to_rsdt(table));
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
build_rsdp(struct vmctx *const ctx)
|
|
{
|
|
ACPI_TABLE_RSDP rsdp;
|
|
struct basl_table *table;
|
|
|
|
BASL_EXEC(basl_table_create(&table, ctx, ACPI_RSDP_NAME,
|
|
BASL_TABLE_ALIGNMENT));
|
|
|
|
memset(&rsdp, 0, sizeof(rsdp));
|
|
memcpy(rsdp.Signature, ACPI_SIG_RSDP, 8);
|
|
rsdp.Checksum = 0; /* patched by basl */
|
|
memcpy(rsdp.OemId, "BHYVE ", ACPI_OEM_ID_SIZE);
|
|
rsdp.Revision = 2;
|
|
rsdp.RsdtPhysicalAddress = htole32(0); /* patched by basl */
|
|
rsdp.Length = htole32(0); /* patched by basl */
|
|
rsdp.XsdtPhysicalAddress = htole64(0); /* patched by basl */
|
|
rsdp.ExtendedChecksum = 0; /* patched by basl */
|
|
BASL_EXEC(basl_table_append_bytes(table, &rsdp, sizeof(rsdp)));
|
|
|
|
BASL_EXEC(basl_table_add_checksum(table,
|
|
offsetof(ACPI_TABLE_RSDP, Checksum), 0, 20));
|
|
BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_RSDT,
|
|
offsetof(ACPI_TABLE_RSDP, RsdtPhysicalAddress),
|
|
sizeof(rsdp.RsdtPhysicalAddress)));
|
|
BASL_EXEC(basl_table_add_length(table,
|
|
offsetof(ACPI_TABLE_RSDP, Length), sizeof(rsdp.Length)));
|
|
BASL_EXEC(basl_table_add_pointer(table, ACPI_SIG_XSDT,
|
|
offsetof(ACPI_TABLE_RSDP, XsdtPhysicalAddress),
|
|
sizeof(rsdp.XsdtPhysicalAddress)));
|
|
BASL_EXEC(basl_table_add_checksum(table,
|
|
offsetof(ACPI_TABLE_RSDP, ExtendedChecksum), 0,
|
|
BASL_TABLE_CHECKSUM_LEN_FULL_TABLE));
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
build_spcr(struct vmctx *const ctx)
|
|
{
|
|
ACPI_TABLE_SPCR spcr;
|
|
struct basl_table *table;
|
|
|
|
BASL_EXEC(basl_table_create(&table, ctx, ACPI_SIG_SPCR,
|
|
BASL_TABLE_ALIGNMENT));
|
|
|
|
memset(&spcr, 0, sizeof(spcr));
|
|
BASL_EXEC(basl_table_append_header(table, ACPI_SIG_SPCR, 1, 1));
|
|
spcr.InterfaceType = ACPI_DBG2_16550_COMPATIBLE;
|
|
basl_fill_gas(&spcr.SerialPort, ACPI_ADR_SPACE_SYSTEM_IO, 8, 0,
|
|
ACPI_GAS_ACCESS_WIDTH_LEGACY, 0x3F8);
|
|
spcr.InterruptType = ACPI_SPCR_INTERRUPT_TYPE_8259;
|
|
spcr.PcInterrupt = 4;
|
|
spcr.BaudRate = ACPI_SPCR_BAUD_RATE_115200;
|
|
spcr.Parity = ACPI_SPCR_PARITY_NO_PARITY;
|
|
spcr.StopBits = ACPI_SPCR_STOP_BITS_1;
|
|
spcr.FlowControl = 3; /* RTS/CTS | DCD */
|
|
spcr.TerminalType = ACPI_SPCR_TERMINAL_TYPE_VT_UTF8;
|
|
BASL_EXEC(basl_table_append_content(table, &spcr, sizeof(spcr)));
|
|
|
|
BASL_EXEC(basl_table_register_to_rsdt(table));
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
acpi_build(struct vmctx *ctx, int ncpu)
|
|
{
|
|
basl_ncpu = ncpu;
|
|
|
|
/*
|
|
* For debug, allow the user to have iasl compiler output sent
|
|
* to stdout rather than /dev/null
|
|
*/
|
|
if (getenv("BHYVE_ACPI_VERBOSE_IASL"))
|
|
basl_verbose_iasl = 1;
|
|
|
|
/*
|
|
* Allow the user to keep the generated ASL files for debugging
|
|
* instead of deleting them following use
|
|
*/
|
|
if (getenv("BHYVE_ACPI_KEEPTMPS"))
|
|
basl_keep_temps = 1;
|
|
|
|
BASL_EXEC(basl_init(ctx));
|
|
|
|
BASL_EXEC(basl_make_templates());
|
|
|
|
/*
|
|
* Generate ACPI tables and copy them into guest memory.
|
|
*
|
|
* According to UEFI Specification v6.3 chapter 5.1 the FADT should be
|
|
* the first table pointed to by XSDT. For that reason, build it as the
|
|
* first table after XSDT.
|
|
*/
|
|
BASL_EXEC(build_rsdp(ctx));
|
|
BASL_EXEC(build_fadt(ctx));
|
|
BASL_EXEC(build_madt(ctx));
|
|
#ifdef __amd64__
|
|
BASL_EXEC(build_hpet(ctx));
|
|
#endif
|
|
BASL_EXEC(build_mcfg(ctx));
|
|
BASL_EXEC(build_facs(ctx));
|
|
BASL_EXEC(build_spcr(ctx));
|
|
|
|
/* Build ACPI device-specific tables such as a TPM2 table. */
|
|
const struct acpi_device_list_entry *entry;
|
|
SLIST_FOREACH(entry, &acpi_devices, chain) {
|
|
BASL_EXEC(acpi_device_build_table(entry->dev));
|
|
}
|
|
|
|
BASL_EXEC(build_dsdt(ctx));
|
|
|
|
BASL_EXEC(basl_finish());
|
|
|
|
return (0);
|
|
}
|