ACPI support for bhyve.
The -A option will create the minimal set of required ACPI tables in guest memory. Since ACPI mandates an IOAPIC, the -I option must also be used. Template ASL files are created, and then passed to the iasl compiler to generate AML files. These are then loaded into guest physical mem. In support of this, the ACPI PM timer is implemented, in 32-bit mode. Tested on 7.4/8.*/9.*/10-CURRENT. Reviewed by: neel Obtained from: NetApp Discussed with: jhb (a long while back)
This commit is contained in:
Peter Grehan
parent
a0cad47092
commit
430a787224
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/projects/bhyve/; revision=243327
@ -4,11 +4,13 @@
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PROG= bhyve
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SRCS= atpic.c consport.c dbgport.c elcr.c fbsdrun.c inout.c
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DEBUG_FLAGS= -g -O0
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SRCS= acpi.c atpic.c consport.c dbgport.c elcr.c fbsdrun.c inout.c
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SRCS+= instruction_emul.c ioapic.c mem.c mevent.c mptbl.c
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SRCS+= pci_emul.c pci_hostbridge.c pci_passthru.c pci_virtio_block.c
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SRCS+= pci_virtio_net.c pci_uart.c pit_8254.c post.c rtc.c uart.c xmsr.c
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SRCS+= spinup_ap.c
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SRCS+= pci_virtio_net.c pci_uart.c pit_8254.c pmtmr.c post.c rtc.c uart.c
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SRCS+= xmsr.c spinup_ap.c
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NO_MAN=
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804
usr.sbin/bhyve/acpi.c
Normal file
804
usr.sbin/bhyve/acpi.c
Normal file
@ -0,0 +1,804 @@
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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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* $FreeBSD$
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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) by writing out ASL template files for each of
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* the tables and the compiling them to AML with the Intel iasl compiler.
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* The AML files are then read into guest memory.
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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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* Layout
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* ------
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* RSDP -> 0xf0400 (36 bytes fixed)
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* RSDT -> 0xf0440 (36 bytes + 4*N table addrs, 2 used)
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* MADT -> 0xf04a0 (depends on #CPUs)
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* FADT -> 0xf0600 (268 bytes)
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* FACS -> 0xf0780 (64 bytes)
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* DSDT -> 0xf0800 (variable - can go up to 0x100000)
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/errno.h>
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#include <sys/stat.h>
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#include <paths.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 "fbsdrun.h"
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#include "acpi.h"
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/*
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* Define the base address of the ACPI tables, and the offsets to
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* the individual tables
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*/
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#define BHYVE_ACPI_BASE 0xf0400
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#define RSDT_OFFSET 0x040
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#define MADT_OFFSET 0x0a0
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#define FADT_OFFSET 0x200
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#define FACS_OFFSET 0x380
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#define DSDT_OFFSET 0x400
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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_PM_TIMER_ADDR 0x408
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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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static uint32_t basl_acpi_base = BHYVE_ACPI_BASE;
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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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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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err = fprintf(__VA_ARGS__); if (err < 0) goto err_exit;
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#define EFFLUSH(x) \
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err = fflush(x); if (err != 0) goto err_exit;
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static int
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basl_fwrite_rsdp(FILE *fp)
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{
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int err;
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err = 0;
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EFPRINTF(fp, "/*\n");
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EFPRINTF(fp, " * bhyve RSDP template\n");
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EFPRINTF(fp, " */\n");
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EFPRINTF(fp, "[0008]\t\tSignature : \"RSD PTR \"\n");
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EFPRINTF(fp, "[0001]\t\tChecksum : 43\n");
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EFPRINTF(fp, "[0006]\t\tOem ID : \"BHYVE \"\n");
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EFPRINTF(fp, "[0001]\t\tRevision : 02\n");
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EFPRINTF(fp, "[0004]\t\tRSDT Address : %08X\n",
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basl_acpi_base + RSDT_OFFSET);
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EFPRINTF(fp, "[0004]\t\tLength : 00000024\n");
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EFPRINTF(fp, "[0008]\t\tXSDT Address : 0000000000000000\n");
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EFPRINTF(fp, "[0001]\t\tExtended Checksum : 00\n");
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EFPRINTF(fp, "[0003]\t\tReserved : 000000\n");
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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_fwrite_rsdt(FILE *fp)
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{
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int err;
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err = 0;
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EFPRINTF(fp, "/*\n");
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EFPRINTF(fp, " * bhyve RSDT template\n");
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EFPRINTF(fp, " */\n");
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EFPRINTF(fp, "[0004]\t\tSignature : \"RSDT\"\n");
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EFPRINTF(fp, "[0004]\t\tTable Length : 00000000\n");
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EFPRINTF(fp, "[0001]\t\tRevision : 01\n");
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EFPRINTF(fp, "[0001]\t\tChecksum : 00\n");
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EFPRINTF(fp, "[0006]\t\tOem ID : \"BHYVE \"\n");
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EFPRINTF(fp, "[0008]\t\tOem Table ID : \"BVRSDT \"\n");
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EFPRINTF(fp, "[0004]\t\tOem Revision : 00000001\n");
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/* iasl will fill in the compiler ID/revision fields */
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EFPRINTF(fp, "[0004]\t\tAsl Compiler ID : \"xxxx\"\n");
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EFPRINTF(fp, "[0004]\t\tAsl Compiler Revision : 00000000\n");
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EFPRINTF(fp, "\n");
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/* Add in pointers to the MADT and FADT */
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EFPRINTF(fp, "[0004]\t\tACPI Table Address 0 : %08X\n",
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basl_acpi_base + MADT_OFFSET);
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EFPRINTF(fp, "[0004]\t\tACPI Table Address 1 : %08X\n",
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basl_acpi_base + FADT_OFFSET);
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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_fwrite_madt(FILE *fp)
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{
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int err;
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int i;
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err = 0;
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EFPRINTF(fp, "/*\n");
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EFPRINTF(fp, " * bhyve MADT template\n");
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EFPRINTF(fp, " */\n");
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EFPRINTF(fp, "[0004]\t\tSignature : \"APIC\"\n");
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EFPRINTF(fp, "[0004]\t\tTable Length : 00000000\n");
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EFPRINTF(fp, "[0001]\t\tRevision : 01\n");
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EFPRINTF(fp, "[0001]\t\tChecksum : 00\n");
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EFPRINTF(fp, "[0006]\t\tOem ID : \"BHYVE \"\n");
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EFPRINTF(fp, "[0008]\t\tOem Table ID : \"BVMADT \"\n");
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EFPRINTF(fp, "[0004]\t\tOem Revision : 00000001\n");
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/* iasl will fill in the compiler ID/revision fields */
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EFPRINTF(fp, "[0004]\t\tAsl Compiler ID : \"xxxx\"\n");
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EFPRINTF(fp, "[0004]\t\tAsl Compiler Revision : 00000000\n");
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EFPRINTF(fp, "\n");
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EFPRINTF(fp, "[0004]\t\tLocal Apic Address : FEE00000\n");
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EFPRINTF(fp, "[0004]\t\tFlags (decoded below) : 00000001\n");
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EFPRINTF(fp, "\t\t\tPC-AT Compatibility : 1\n");
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EFPRINTF(fp, "\n");
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/* Add a Processor Local APIC entry for each CPU */
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for (i = 0; i < basl_ncpu; i++) {
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EFPRINTF(fp, "[0001]\t\tSubtable Type : 00\n");
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EFPRINTF(fp, "[0001]\t\tLength : 08\n");
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EFPRINTF(fp, "[0001]\t\tProcessor ID : %02d\n", i);
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EFPRINTF(fp, "[0001]\t\tLocal Apic ID : %02d\n", i);
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EFPRINTF(fp, "[0004]\t\tFlags (decoded below) : 00000001\n");
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EFPRINTF(fp, "\t\t\tProcessor Enabled : 1\n");
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EFPRINTF(fp, "\n");
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}
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/* Always a single IOAPIC entry, with ID ncpu+1 */
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EFPRINTF(fp, "[0001]\t\tSubtable Type : 01\n");
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EFPRINTF(fp, "[0001]\t\tLength : 0C\n");
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EFPRINTF(fp, "[0001]\t\tI/O Apic ID : %02d\n", basl_ncpu);
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EFPRINTF(fp, "[0001]\t\tReserved : 00\n");
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EFPRINTF(fp, "[0004]\t\tAddress : fec00000\n");
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EFPRINTF(fp, "[0004]\t\tInterrupt : 00000000\n");
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EFPRINTF(fp, "\n");
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/* Override the 8259 chained vector. XXX maybe not needed */
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EFPRINTF(fp, "[0001]\t\tSubtable Type : 02\n");
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EFPRINTF(fp, "[0001]\t\tLength : 0A\n");
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EFPRINTF(fp, "[0001]\t\tBus : 00\n");
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EFPRINTF(fp, "[0001]\t\tSource : 09\n");
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EFPRINTF(fp, "[0004]\t\tInterrupt : 00000009\n");
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EFPRINTF(fp, "[0002]\t\tFlags (decoded below) : 0000\n");
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EFPRINTF(fp, "\t\t\tPolarity : 0\n");
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EFPRINTF(fp, "\t\t\tTrigger Mode : 0\n");
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EFPRINTF(fp, "\n");
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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_fwrite_fadt(FILE *fp)
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{
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int err;
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err = 0;
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EFPRINTF(fp, "/*\n");
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EFPRINTF(fp, " * bhyve FADT template\n");
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EFPRINTF(fp, " */\n");
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EFPRINTF(fp, "[0004]\t\tSignature : \"FACP\"\n");
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EFPRINTF(fp, "[0004]\t\tTable Length : 0000010C\n");
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EFPRINTF(fp, "[0001]\t\tRevision : 05\n");
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EFPRINTF(fp, "[0001]\t\tChecksum : 00\n");
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EFPRINTF(fp, "[0006]\t\tOem ID : \"BHYVE \"\n");
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EFPRINTF(fp, "[0008]\t\tOem Table ID : \"BVFACP \"\n");
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EFPRINTF(fp, "[0004]\t\tOem Revision : 00000001\n");
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/* iasl will fill in the compiler ID/revision fields */
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EFPRINTF(fp, "[0004]\t\tAsl Compiler ID : \"xxxx\"\n");
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EFPRINTF(fp, "[0004]\t\tAsl Compiler Revision : 00000000\n");
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EFPRINTF(fp, "\n");
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EFPRINTF(fp, "[0004]\t\tFACS Address : %08X\n",
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basl_acpi_base + FACS_OFFSET);
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EFPRINTF(fp, "[0004]\t\tDSDT Address : %08X\n",
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basl_acpi_base + DSDT_OFFSET);
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EFPRINTF(fp, "[0001]\t\tModel : 00\n");
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EFPRINTF(fp, "[0001]\t\tPM Profile : 00 [Unspecified]\n");
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EFPRINTF(fp, "[0002]\t\tSCI Interrupt : 0009\n");
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EFPRINTF(fp, "[0004]\t\tSMI Command Port : 00000000\n");
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EFPRINTF(fp, "[0001]\t\tACPI Enable Value : 00\n");
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EFPRINTF(fp, "[0001]\t\tACPI Disable Value : 00\n");
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EFPRINTF(fp, "[0001]\t\tS4BIOS Command : 00\n");
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EFPRINTF(fp, "[0001]\t\tP-State Control : 00\n");
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EFPRINTF(fp, "[0004]\t\tPM1A Event Block Address : 00000000\n");
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EFPRINTF(fp, "[0004]\t\tPM1B Event Block Address : 00000000\n");
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EFPRINTF(fp, "[0004]\t\tPM1A Control Block Address : 00000000\n");
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EFPRINTF(fp, "[0004]\t\tPM1B Control Block Address : 00000000\n");
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EFPRINTF(fp, "[0004]\t\tPM2 Control Block Address : 00000000\n");
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EFPRINTF(fp, "[0004]\t\tPM Timer Block Address : %08X\n",
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BHYVE_PM_TIMER_ADDR);
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EFPRINTF(fp, "[0004]\t\tGPE0 Block Address : 00000000\n");
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EFPRINTF(fp, "[0004]\t\tGPE1 Block Address : 00000000\n");
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EFPRINTF(fp, "[0001]\t\tPM1 Event Block Length : 04\n");
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EFPRINTF(fp, "[0001]\t\tPM1 Control Block Length : 02\n");
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EFPRINTF(fp, "[0001]\t\tPM2 Control Block Length : 00\n");
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EFPRINTF(fp, "[0001]\t\tPM Timer Block Length : 04\n");
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EFPRINTF(fp, "[0001]\t\tGPE0 Block Length : 00\n");
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EFPRINTF(fp, "[0001]\t\tGPE1 Block Length : 00\n");
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EFPRINTF(fp, "[0001]\t\tGPE1 Base Offset : 00\n");
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EFPRINTF(fp, "[0001]\t\t_CST Support : 00\n");
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EFPRINTF(fp, "[0002]\t\tC2 Latency : 0000\n");
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EFPRINTF(fp, "[0002]\t\tC3 Latency : 0000\n");
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EFPRINTF(fp, "[0002]\t\tCPU Cache Size : 0000\n");
|
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EFPRINTF(fp, "[0002]\t\tCache Flush Stride : 0000\n");
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||||
EFPRINTF(fp, "[0001]\t\tDuty Cycle Offset : 00\n");
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||||
EFPRINTF(fp, "[0001]\t\tDuty Cycle Width : 00\n");
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EFPRINTF(fp, "[0001]\t\tRTC Day Alarm Index : 00\n");
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||||
EFPRINTF(fp, "[0001]\t\tRTC Month Alarm Index : 00\n");
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EFPRINTF(fp, "[0001]\t\tRTC Century Index : 00\n");
|
||||
EFPRINTF(fp, "[0002]\t\tBoot Flags (decoded below) : 0000\n");
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||||
EFPRINTF(fp, "\t\t\tLegacy Devices Supported (V2) : 0\n");
|
||||
EFPRINTF(fp, "\t\t\t8042 Present on ports 60/64 (V2) : 0\n");
|
||||
EFPRINTF(fp, "\t\t\tVGA Not Present (V4) : 1\n");
|
||||
EFPRINTF(fp, "\t\t\tMSI Not Supported (V4) : 0\n");
|
||||
EFPRINTF(fp, "\t\t\tPCIe ASPM Not Supported (V4) : 1\n");
|
||||
EFPRINTF(fp, "\t\t\tCMOS RTC Not Present (V5) : 0\n");
|
||||
EFPRINTF(fp, "[0001]\t\tReserved : 00\n");
|
||||
EFPRINTF(fp, "[0004]\t\tFlags (decoded below) : 00000000\n");
|
||||
EFPRINTF(fp, "\t\t\tWBINVD instruction is operational (V1) : 1\n");
|
||||
EFPRINTF(fp, "\t\t\tWBINVD flushes all caches (V1) : 0\n");
|
||||
EFPRINTF(fp, "\t\t\tAll CPUs support C1 (V1) : 0\n");
|
||||
EFPRINTF(fp, "\t\t\tC2 works on MP system (V1) : 0\n");
|
||||
EFPRINTF(fp, "\t\t\tControl Method Power Button (V1) : 1\n");
|
||||
EFPRINTF(fp, "\t\t\tControl Method Sleep Button (V1) : 1\n");
|
||||
EFPRINTF(fp, "\t\t\tRTC wake not in fixed reg space (V1) : 0\n");
|
||||
EFPRINTF(fp, "\t\t\tRTC can wake system from S4 (V1) : 0\n");
|
||||
EFPRINTF(fp, "\t\t\t32-bit PM Timer (V1) : 1\n");
|
||||
EFPRINTF(fp, "\t\t\tDocking Supported (V1) : 0\n");
|
||||
EFPRINTF(fp, "\t\t\tReset Register Supported (V2) : 0\n");
|
||||
EFPRINTF(fp, "\t\t\tSealed Case (V3) : 0\n");
|
||||
EFPRINTF(fp, "\t\t\tHeadless - No Video (V3) : 1\n");
|
||||
EFPRINTF(fp, "\t\t\tUse native instr after SLP_TYPx (V3) : 0\n");
|
||||
EFPRINTF(fp, "\t\t\tPCIEXP_WAK Bits Supported (V4) : 0\n");
|
||||
EFPRINTF(fp, "\t\t\tUse Platform Timer (V4) : 0\n");
|
||||
EFPRINTF(fp, "\t\t\tRTC_STS valid on S4 wake (V4) : 0\n");
|
||||
EFPRINTF(fp, "\t\t\tRemote Power-on capable (V4) : 0\n");
|
||||
EFPRINTF(fp, "\t\t\tUse APIC Cluster Model (V4) : 0\n");
|
||||
EFPRINTF(fp, "\t\t\tUse APIC Physical Destination Mode (V4) : 1\n");
|
||||
EFPRINTF(fp, "\t\t\tHardware Reduced (V5) : 0\n");
|
||||
EFPRINTF(fp, "\t\t\tLow Power S0 Idle (V5) : 0\n");
|
||||
EFPRINTF(fp, "\n");
|
||||
|
||||
EFPRINTF(fp,
|
||||
"[0012]\t\tReset Register : [Generic Address Structure]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tSpace ID : 01 [SystemIO]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Width : 08\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Offset : 00\n");
|
||||
EFPRINTF(fp, "[0001]\t\tEncoded Access Width : 01 [Byte Access:8]\n");
|
||||
EFPRINTF(fp, "[0008]\t\tAddress : 0000000000000001\n");
|
||||
EFPRINTF(fp, "\n");
|
||||
|
||||
EFPRINTF(fp, "[0001]\t\tValue to cause reset : 00\n");
|
||||
EFPRINTF(fp, "[0003]\t\tReserved : 000000\n");
|
||||
EFPRINTF(fp, "[0008]\t\tFACS Address : 00000000%08X\n",
|
||||
basl_acpi_base + FACS_OFFSET);
|
||||
EFPRINTF(fp, "[0008]\t\tDSDT Address : 00000000%08X\n",
|
||||
basl_acpi_base + DSDT_OFFSET);
|
||||
EFPRINTF(fp,
|
||||
"[0012]\t\tPM1A Event Block : [Generic Address Structure]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tSpace ID : 01 [SystemIO]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Width : 20\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Offset : 00\n");
|
||||
EFPRINTF(fp, "[0001]\t\tEncoded Access Width : 02 [Word Access:16]\n");
|
||||
EFPRINTF(fp, "[0008]\t\tAddress : 0000000000000001\n");
|
||||
EFPRINTF(fp, "\n");
|
||||
|
||||
EFPRINTF(fp,
|
||||
"[0012]\t\tPM1B Event Block : [Generic Address Structure]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tSpace ID : 01 [SystemIO]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Width : 00\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Offset : 00\n");
|
||||
EFPRINTF(fp,
|
||||
"[0001]\t\tEncoded Access Width : 00 [Undefined/Legacy]\n");
|
||||
EFPRINTF(fp, "[0008]\t\tAddress : 0000000000000000\n");
|
||||
EFPRINTF(fp, "\n");
|
||||
|
||||
EFPRINTF(fp,
|
||||
"[0012]\t\tPM1A Control Block : [Generic Address Structure]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tSpace ID : 01 [SystemIO]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Width : 10\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Offset : 00\n");
|
||||
EFPRINTF(fp, "[0001]\t\tEncoded Access Width : 02 [Word Access:16]\n");
|
||||
EFPRINTF(fp, "[0008]\t\tAddress : 0000000000000001\n");
|
||||
EFPRINTF(fp, "\n");
|
||||
|
||||
EFPRINTF(fp,
|
||||
"[0012]\t\tPM1B Control Block : [Generic Address Structure]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tSpace ID : 01 [SystemIO]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Width : 00\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Offset : 00\n");
|
||||
EFPRINTF(fp,
|
||||
"[0001]\t\tEncoded Access Width : 00 [Undefined/Legacy]\n");
|
||||
EFPRINTF(fp, "[0008]\t\tAddress : 0000000000000000\n");
|
||||
EFPRINTF(fp, "\n");
|
||||
|
||||
EFPRINTF(fp,
|
||||
"[0012]\t\tPM2 Control Block : [Generic Address Structure]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tSpace ID : 01 [SystemIO]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Width : 08\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Offset : 00\n");
|
||||
EFPRINTF(fp,
|
||||
"[0001]\t\tEncoded Access Width : 00 [Undefined/Legacy]\n");
|
||||
EFPRINTF(fp, "[0008]\t\tAddress : 0000000000000000\n");
|
||||
EFPRINTF(fp, "\n");
|
||||
|
||||
/* Valid for bhyve */
|
||||
EFPRINTF(fp,
|
||||
"[0012]\t\tPM Timer Block : [Generic Address Structure]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tSpace ID : 01 [SystemIO]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Width : 32\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Offset : 00\n");
|
||||
EFPRINTF(fp,
|
||||
"[0001]\t\tEncoded Access Width : 03 [DWord Access:32]\n");
|
||||
EFPRINTF(fp, "[0008]\t\tAddress : 00000000%08X\n",
|
||||
BHYVE_PM_TIMER_ADDR);
|
||||
EFPRINTF(fp, "\n");
|
||||
|
||||
EFPRINTF(fp, "[0012]\t\tGPE0 Block : [Generic Address Structure]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tSpace ID : 01 [SystemIO]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Width : 80\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Offset : 00\n");
|
||||
EFPRINTF(fp, "[0001]\t\tEncoded Access Width : 01 [Byte Access:8]\n");
|
||||
EFPRINTF(fp, "[0008]\t\tAddress : 0000000000000000\n");
|
||||
EFPRINTF(fp, "\n");
|
||||
|
||||
EFPRINTF(fp, "[0012]\t\tGPE1 Block : [Generic Address Structure]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tSpace ID : 01 [SystemIO]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Width : 00\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Offset : 00\n");
|
||||
EFPRINTF(fp,
|
||||
"[0001]\t\tEncoded Access Width : 00 [Undefined/Legacy]\n");
|
||||
EFPRINTF(fp, "[0008]\t\tAddress : 0000000000000000\n");
|
||||
EFPRINTF(fp, "\n");
|
||||
|
||||
EFPRINTF(fp,
|
||||
"[0012]\t\tSleep Control Register : [Generic Address Structure]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tSpace ID : 01 [SystemIO]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Width : 08\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Offset : 00\n");
|
||||
EFPRINTF(fp, "[0001]\t\tEncoded Access Width : 01 [Byte Access:8]\n");
|
||||
EFPRINTF(fp, "[0008]\t\tAddress : 0000000000000000\n");
|
||||
EFPRINTF(fp, "\n");
|
||||
|
||||
EFPRINTF(fp,
|
||||
"[0012]\t\tSleep Status Register : [Generic Address Structure]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tSpace ID : 01 [SystemIO]\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Width : 08\n");
|
||||
EFPRINTF(fp, "[0001]\t\tBit Offset : 00\n");
|
||||
EFPRINTF(fp, "[0001]\t\tEncoded Access Width : 01 [Byte Access:8]\n");
|
||||
EFPRINTF(fp, "[0008]\t\tAddress : 0000000000000000\n");
|
||||
|
||||
EFFLUSH(fp);
|
||||
|
||||
return (0);
|
||||
|
||||
err_exit:
|
||||
return (errno);
|
||||
}
|
||||
|
||||
static int
|
||||
basl_fwrite_facs(FILE *fp)
|
||||
{
|
||||
int err;
|
||||
|
||||
err = 0;
|
||||
|
||||
EFPRINTF(fp, "/*\n");
|
||||
EFPRINTF(fp, " * bhyve FACS template\n");
|
||||
EFPRINTF(fp, " */\n");
|
||||
EFPRINTF(fp, "[0004]\t\tSignature : \"FACS\"\n");
|
||||
EFPRINTF(fp, "[0004]\t\tLength : 00000040\n");
|
||||
EFPRINTF(fp, "[0004]\t\tHardware Signature : 00000000\n");
|
||||
EFPRINTF(fp, "[0004]\t\t32 Firmware Waking Vector : 00000000\n");
|
||||
EFPRINTF(fp, "[0004]\t\tGlobal Lock : 00000000\n");
|
||||
EFPRINTF(fp, "[0004]\t\tFlags (decoded below) : 00000000\n");
|
||||
EFPRINTF(fp, "\t\t\tS4BIOS Support Present : 0\n");
|
||||
EFPRINTF(fp, "\t\t\t64-bit Wake Supported (V2) : 0\n");
|
||||
EFPRINTF(fp,
|
||||
"[0008]\t\t64 Firmware Waking Vector : 0000000000000000\n");
|
||||
EFPRINTF(fp, "[0001]\t\tVersion : 02\n");
|
||||
EFPRINTF(fp, "[0003]\t\tReserved : 000000\n");
|
||||
EFPRINTF(fp, "[0004]\t\tOspmFlags (decoded below) : 00000000\n");
|
||||
EFPRINTF(fp, "\t\t\t64-bit Wake Env Required (V2) : 0\n");
|
||||
|
||||
EFFLUSH(fp);
|
||||
|
||||
return (0);
|
||||
|
||||
err_exit:
|
||||
return (errno);
|
||||
}
|
||||
|
||||
static int
|
||||
basl_fwrite_dsdt(FILE *fp)
|
||||
{
|
||||
int err;
|
||||
|
||||
err = 0;
|
||||
|
||||
EFPRINTF(fp, "/*\n");
|
||||
EFPRINTF(fp, " * bhyve DSDT template\n");
|
||||
EFPRINTF(fp, " */\n");
|
||||
EFPRINTF(fp, "DefinitionBlock (\"bhyve_dsdt.aml\", \"DSDT\", 2,"
|
||||
"\"BHYV\", \"BVDSDT\", 0x00000001)\n");
|
||||
EFPRINTF(fp, "{\n");
|
||||
EFPRINTF(fp, " Scope (_SB)\n");
|
||||
EFPRINTF(fp, " {\n");
|
||||
EFPRINTF(fp, " Device (PCI0)\n");
|
||||
EFPRINTF(fp, " {\n");
|
||||
EFPRINTF(fp, " Name (_HID, EisaId (\"PNP0A03\"))\n");
|
||||
EFPRINTF(fp, " Name (_ADR, Zero)\n");
|
||||
EFPRINTF(fp, " Name (_UID, One)\n");
|
||||
EFPRINTF(fp, " Name (_CRS, ResourceTemplate ()\n");
|
||||
EFPRINTF(fp, " {\n");
|
||||
EFPRINTF(fp, " WordBusNumber (ResourceProducer, MinFixed,"
|
||||
"MaxFixed, PosDecode,\n");
|
||||
EFPRINTF(fp, " 0x0000, // Granularity\n");
|
||||
EFPRINTF(fp, " 0x0000, // Range Minimum\n");
|
||||
EFPRINTF(fp, " 0x00FF, // Range Maximum\n");
|
||||
EFPRINTF(fp, " 0x0000, // Transl Offset\n");
|
||||
EFPRINTF(fp, " 0x0100, // Length\n");
|
||||
EFPRINTF(fp, " ,, )\n");
|
||||
EFPRINTF(fp, " IO (Decode16,\n");
|
||||
EFPRINTF(fp, " 0x0CF8, // Range Minimum\n");
|
||||
EFPRINTF(fp, " 0x0CF8, // Range Maximum\n");
|
||||
EFPRINTF(fp, " 0x01, // Alignment\n");
|
||||
EFPRINTF(fp, " 0x08, // Length\n");
|
||||
EFPRINTF(fp, " )\n");
|
||||
EFPRINTF(fp, " WordIO (ResourceProducer, MinFixed, MaxFixed,"
|
||||
"PosDecode, EntireRange,\n");
|
||||
EFPRINTF(fp, " 0x0000, // Granularity\n");
|
||||
EFPRINTF(fp, " 0x0000, // Range Minimum\n");
|
||||
EFPRINTF(fp, " 0x0CF7, // Range Maximum\n");
|
||||
EFPRINTF(fp, " 0x0000, // Transl Offset\n");
|
||||
EFPRINTF(fp, " 0x0CF8, // Length\n");
|
||||
EFPRINTF(fp, " ,, , TypeStatic)\n");
|
||||
EFPRINTF(fp, " WordIO (ResourceProducer, MinFixed, MaxFixed,"
|
||||
"PosDecode, EntireRange,\n");
|
||||
EFPRINTF(fp, " 0x0000, // Granularity\n");
|
||||
EFPRINTF(fp, " 0x0D00, // Range Minimum\n");
|
||||
EFPRINTF(fp, " 0xFFFF, // Range Maximum\n");
|
||||
EFPRINTF(fp, " 0x0000, // Transl Offset\n");
|
||||
EFPRINTF(fp, " 0xF300, // Length\n");
|
||||
EFPRINTF(fp, " ,, , TypeStatic)\n");
|
||||
EFPRINTF(fp, " })\n");
|
||||
EFPRINTF(fp, " }\n");
|
||||
EFPRINTF(fp, " }\n");
|
||||
EFPRINTF(fp, "\n");
|
||||
EFPRINTF(fp, " Scope (_SB.PCI0)\n");
|
||||
EFPRINTF(fp, " {\n");
|
||||
EFPRINTF(fp, " Device (ISA)\n");
|
||||
EFPRINTF(fp, " {\n");
|
||||
EFPRINTF(fp, " Name (_ADR, 0x00010000)\n");
|
||||
EFPRINTF(fp, " OperationRegion (P40C, PCI_Config, 0x60, 0x04)\n");
|
||||
EFPRINTF(fp, " }\n");
|
||||
EFPRINTF(fp, " }\n");
|
||||
EFPRINTF(fp, "\n");
|
||||
EFPRINTF(fp, " Scope (_SB.PCI0.ISA)\n");
|
||||
EFPRINTF(fp, " {\n");
|
||||
EFPRINTF(fp, " Device (RTC)\n");
|
||||
EFPRINTF(fp, " {\n");
|
||||
EFPRINTF(fp, " Name (_HID, EisaId (\"PNP0B00\"))\n");
|
||||
EFPRINTF(fp, " Name (_CRS, ResourceTemplate ()\n");
|
||||
EFPRINTF(fp, " {\n");
|
||||
EFPRINTF(fp, " IO (Decode16,\n");
|
||||
EFPRINTF(fp, " 0x0070, // Range Minimum\n");
|
||||
EFPRINTF(fp, " 0x0070, // Range Maximum\n");
|
||||
EFPRINTF(fp, " 0x10, // Alignment\n");
|
||||
EFPRINTF(fp, " 0x02, // Length\n");
|
||||
EFPRINTF(fp, " )\n");
|
||||
EFPRINTF(fp, " IRQNoFlags ()\n");
|
||||
EFPRINTF(fp, " {8}\n");
|
||||
EFPRINTF(fp, " IO (Decode16,\n");
|
||||
EFPRINTF(fp, " 0x0072, // Range Minimum\n");
|
||||
EFPRINTF(fp, " 0x0072, // Range Maximum\n");
|
||||
EFPRINTF(fp, " 0x02, // Alignment\n");
|
||||
EFPRINTF(fp, " 0x06, // Length\n");
|
||||
EFPRINTF(fp, " )\n");
|
||||
EFPRINTF(fp, " })\n");
|
||||
EFPRINTF(fp, " }\n");
|
||||
EFPRINTF(fp, " }\n");
|
||||
EFPRINTF(fp, "}\n");
|
||||
|
||||
EFFLUSH(fp);
|
||||
|
||||
return (0);
|
||||
|
||||
err_exit:
|
||||
return (errno);
|
||||
}
|
||||
|
||||
static int
|
||||
basl_open(struct basl_fio *bf, int suffix)
|
||||
{
|
||||
int err;
|
||||
|
||||
err = 0;
|
||||
|
||||
if (suffix) {
|
||||
strncpy(bf->f_name, basl_stemplate, MAXPATHLEN);
|
||||
bf->fd = mkstemps(bf->f_name, strlen(BHYVE_ASL_SUFFIX));
|
||||
} else {
|
||||
strncpy(bf->f_name, basl_template, MAXPATHLEN);
|
||||
bf->fd = mkstemp(bf->f_name);
|
||||
}
|
||||
|
||||
if (bf->fd > 0) {
|
||||
bf->fp = fdopen(bf->fd, "w+");
|
||||
if (bf->fp == NULL) {
|
||||
unlink(bf->f_name);
|
||||
close(bf->fd);
|
||||
}
|
||||
} else {
|
||||
err = 1;
|
||||
}
|
||||
|
||||
return (err);
|
||||
}
|
||||
|
||||
static void
|
||||
basl_close(struct basl_fio *bf)
|
||||
{
|
||||
|
||||
if (!basl_keep_temps)
|
||||
unlink(bf->f_name);
|
||||
fclose(bf->fp);
|
||||
}
|
||||
|
||||
static int
|
||||
basl_start(struct basl_fio *in, struct basl_fio *out)
|
||||
{
|
||||
int err;
|
||||
|
||||
err = basl_open(in, 0);
|
||||
if (!err) {
|
||||
err = basl_open(out, 1);
|
||||
if (err) {
|
||||
basl_close(in);
|
||||
}
|
||||
}
|
||||
|
||||
return (err);
|
||||
}
|
||||
|
||||
static void
|
||||
basl_end(struct basl_fio *in, struct basl_fio *out)
|
||||
{
|
||||
|
||||
basl_close(in);
|
||||
basl_close(out);
|
||||
}
|
||||
|
||||
static int
|
||||
basl_load(int fd, uint64_t off)
|
||||
{
|
||||
struct stat sb;
|
||||
int err;
|
||||
|
||||
err = 0;
|
||||
|
||||
if (fstat(fd, &sb) < 0 ||
|
||||
read(fd, paddr_guest2host(basl_acpi_base + off), sb.st_size) < 0)
|
||||
err = errno;
|
||||
|
||||
return (err);
|
||||
}
|
||||
|
||||
static int
|
||||
basl_compile(int (*fwrite_section)(FILE *fp), uint64_t offset)
|
||||
{
|
||||
struct basl_fio io[2];
|
||||
static char iaslbuf[3*MAXPATHLEN + 10];
|
||||
char *fmt;
|
||||
int err;
|
||||
|
||||
err = basl_start(&io[0], &io[1]);
|
||||
if (!err) {
|
||||
err = (*fwrite_section)(io[0].fp);
|
||||
|
||||
if (!err) {
|
||||
/*
|
||||
* iasl sends the results of the compilation to
|
||||
* stdout. Shut this down by using the shell to
|
||||
* redirect stdout to /dev/null, unless the user
|
||||
* has requested verbose output for debugging
|
||||
* purposes
|
||||
*/
|
||||
fmt = basl_verbose_iasl ?
|
||||
"%s -p %s %s" :
|
||||
"/bin/sh -c \"%s -p %s %s\" 1> /dev/null";
|
||||
|
||||
snprintf(iaslbuf, sizeof(iaslbuf),
|
||||
fmt,
|
||||
BHYVE_ASL_COMPILER,
|
||||
io[1].f_name, io[0].f_name);
|
||||
err = system(iaslbuf);
|
||||
|
||||
if (!err) {
|
||||
/*
|
||||
* Copy the aml output file into guest
|
||||
* memory at the specified location
|
||||
*/
|
||||
err = basl_load(io[1].fd, offset);
|
||||
}
|
||||
}
|
||||
basl_end(&io[0], &io[1]);
|
||||
}
|
||||
|
||||
return (err);
|
||||
}
|
||||
|
||||
static int
|
||||
basl_make_templates(void)
|
||||
{
|
||||
const char *tmpdir;
|
||||
int err;
|
||||
int len;
|
||||
|
||||
err = 0;
|
||||
|
||||
/*
|
||||
*
|
||||
*/
|
||||
if ((tmpdir = getenv("BHYVE_TMPDIR")) == NULL || *tmpdir == '\0' ||
|
||||
(tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0') {
|
||||
tmpdir = _PATH_TMP;
|
||||
}
|
||||
|
||||
len = strlen(tmpdir);
|
||||
|
||||
if ((len + sizeof(BHYVE_ASL_TEMPLATE) + 1) < MAXPATHLEN) {
|
||||
strcpy(basl_template, tmpdir);
|
||||
while (len > 0 && basl_template[len - 1] == '/')
|
||||
len--;
|
||||
basl_template[len] = '/';
|
||||
strcpy(&basl_template[len + 1], BHYVE_ASL_TEMPLATE);
|
||||
} else
|
||||
err = E2BIG;
|
||||
|
||||
if (!err) {
|
||||
/*
|
||||
* len has been intialized (and maybe adjusted) above
|
||||
*/
|
||||
if ((len + sizeof(BHYVE_ASL_TEMPLATE) + 1 +
|
||||
sizeof(BHYVE_ASL_SUFFIX)) < MAXPATHLEN) {
|
||||
strcpy(basl_stemplate, tmpdir);
|
||||
basl_stemplate[len] = '/';
|
||||
strcpy(&basl_stemplate[len + 1], BHYVE_ASL_TEMPLATE);
|
||||
len = strlen(basl_stemplate);
|
||||
strcpy(&basl_stemplate[len], BHYVE_ASL_SUFFIX);
|
||||
} else
|
||||
err = E2BIG;
|
||||
}
|
||||
|
||||
return (err);
|
||||
}
|
||||
|
||||
static struct {
|
||||
int (*wsect)(FILE *fp);
|
||||
uint64_t offset;
|
||||
} basl_ftables[] =
|
||||
{
|
||||
{ basl_fwrite_rsdp, 0},
|
||||
{ basl_fwrite_rsdt, RSDT_OFFSET },
|
||||
{ basl_fwrite_madt, MADT_OFFSET },
|
||||
{ basl_fwrite_fadt, FADT_OFFSET },
|
||||
{ basl_fwrite_facs, FACS_OFFSET },
|
||||
{ basl_fwrite_dsdt, DSDT_OFFSET },
|
||||
{ NULL }
|
||||
};
|
||||
|
||||
int
|
||||
acpi_build(struct vmctx *ctx, int ncpu, int ioapic)
|
||||
{
|
||||
int err;
|
||||
int i;
|
||||
|
||||
err = 0;
|
||||
basl_ncpu = ncpu;
|
||||
|
||||
if (!ioapic) {
|
||||
fprintf(stderr, "ACPI tables require an ioapic\n");
|
||||
return (EINVAL);
|
||||
}
|
||||
|
||||
/*
|
||||
* 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;
|
||||
|
||||
i = 0;
|
||||
err = basl_make_templates();
|
||||
|
||||
/*
|
||||
* Run through all the ASL files, compiling them and
|
||||
* copying them into guest memory
|
||||
*/
|
||||
while (!err && basl_ftables[i].wsect != NULL) {
|
||||
err = basl_compile(basl_ftables[i].wsect,
|
||||
basl_ftables[i].offset);
|
||||
i++;
|
||||
}
|
||||
|
||||
return (err);
|
||||
}
|
||||
34
usr.sbin/bhyve/acpi.h
Normal file
34
usr.sbin/bhyve/acpi.h
Normal file
@ -0,0 +1,34 @@
|
||||
/*-
|
||||
* Copyright (c) 2012 NetApp, Inc.
|
||||
* 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 NETAPP, INC ``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 NETAPP, INC 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.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#ifndef _ACPI_H_
|
||||
#define _ACPI_H_
|
||||
|
||||
int acpi_build(struct vmctx *ctx, int ncpu, int ioapic);
|
||||
|
||||
#endif /* _ACPI_H_ */
|
||||
@ -49,6 +49,7 @@ __FBSDID("$FreeBSD$");
|
||||
#include <vmmapi.h>
|
||||
|
||||
#include "fbsdrun.h"
|
||||
#include "acpi.h"
|
||||
#include "inout.h"
|
||||
#include "dbgport.h"
|
||||
#include "mem.h"
|
||||
@ -93,6 +94,8 @@ static int foundcpus;
|
||||
|
||||
static int strictio;
|
||||
|
||||
static int acpi;
|
||||
|
||||
static char *lomem_addr;
|
||||
static char *himem_addr;
|
||||
|
||||
@ -128,9 +131,10 @@ usage(int code)
|
||||
{
|
||||
|
||||
fprintf(stderr,
|
||||
"Usage: %s [-aehBHIP][-g <gdb port>][-z <hz>][-s <pci>]"
|
||||
"Usage: %s [-aehABHIP][-g <gdb port>][-z <hz>][-s <pci>]"
|
||||
"[-S <pci>][-p pincpu][-n <pci>][-m lowmem][-M highmem] <vm>\n"
|
||||
" -a: local apic is in XAPIC mode (default is X2APIC)\n"
|
||||
" -A: create an ACPI table\n"
|
||||
" -g: gdb port (default is %d and 0 means don't open)\n"
|
||||
" -c: # cpus (default 1)\n"
|
||||
" -p: pin vcpu 'n' to host cpu 'pincpu + n'\n"
|
||||
@ -585,11 +589,14 @@ main(int argc, char *argv[])
|
||||
guest_ncpus = 1;
|
||||
ioapic = 0;
|
||||
|
||||
while ((c = getopt(argc, argv, "abehBHIPxp:g:c:z:s:S:n:m:M:")) != -1) {
|
||||
while ((c = getopt(argc, argv, "abehABHIPxp:g:c:z:s:S:n:m:M:")) != -1) {
|
||||
switch (c) {
|
||||
case 'a':
|
||||
disable_x2apic = 1;
|
||||
break;
|
||||
case 'A':
|
||||
acpi = 1;
|
||||
break;
|
||||
case 'b':
|
||||
bvmcons = 1;
|
||||
break;
|
||||
@ -745,6 +752,11 @@ main(int argc, char *argv[])
|
||||
*/
|
||||
mptable_build(ctx, guest_ncpus, ioapic);
|
||||
|
||||
if (acpi) {
|
||||
error = acpi_build(ctx, guest_ncpus, ioapic);
|
||||
assert(error == 0);
|
||||
}
|
||||
|
||||
/*
|
||||
* Add CPU 0
|
||||
*/
|
||||
|
||||
101
usr.sbin/bhyve/pmtmr.c
Normal file
101
usr.sbin/bhyve/pmtmr.c
Normal file
@ -0,0 +1,101 @@
|
||||
/*-
|
||||
* Copyright (c) 2012 NetApp, Inc.
|
||||
* 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 NETAPP, INC ``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 NETAPP, INC 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.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__FBSDID("$FreeBSD$");
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/sysctl.h>
|
||||
#include <sys/time.h>
|
||||
#include <machine/cpufunc.h>
|
||||
|
||||
#include <stdio.h>
|
||||
#include <time.h>
|
||||
#include <assert.h>
|
||||
|
||||
#include "inout.h"
|
||||
|
||||
/*
|
||||
* The ACPI Power Management timer is a free-running 24- or 32-bit
|
||||
* timer with a frequency of 3.579545MHz
|
||||
*
|
||||
* This implementation will be 32-bits
|
||||
*/
|
||||
|
||||
#define IO_PMTMR 0x408 /* 4-byte i/o port for the timer */
|
||||
|
||||
#define PMTMR_FREQ 3579545 /* 3.579545MHz */
|
||||
|
||||
static uint32_t pmtmr_tscf;
|
||||
static uint32_t pmtmr_old;
|
||||
static uint64_t pmtmr_tsc_old;
|
||||
|
||||
static uint32_t
|
||||
pmtmr_val(void)
|
||||
{
|
||||
uint64_t pmtmr_tsc_new;
|
||||
uint32_t pmtmr_new;
|
||||
static int inited = 0;
|
||||
|
||||
if (!inited) {
|
||||
size_t len;
|
||||
|
||||
inited = 1;
|
||||
len = sizeof(pmtmr_tscf);
|
||||
sysctlbyname("machdep.tsc_freq", &pmtmr_tscf, &len,
|
||||
NULL, 0);
|
||||
pmtmr_tsc_old = rdtsc();
|
||||
pmtmr_old = pmtmr_tsc_old / pmtmr_tscf * PMTMR_FREQ;
|
||||
return (pmtmr_old);
|
||||
}
|
||||
|
||||
pmtmr_tsc_new = rdtsc();
|
||||
pmtmr_new = (pmtmr_tsc_new - pmtmr_tsc_old) * PMTMR_FREQ / pmtmr_tscf +
|
||||
pmtmr_old;
|
||||
pmtmr_old = pmtmr_new;
|
||||
pmtmr_tsc_old = pmtmr_tsc_new;
|
||||
|
||||
return (pmtmr_old);
|
||||
}
|
||||
|
||||
static int
|
||||
pmtmr_handler(struct vmctx *ctx, int vcpu, int in, int port, int bytes,
|
||||
uint32_t *eax, void *arg)
|
||||
{
|
||||
assert(in == 1);
|
||||
|
||||
if (bytes != 4)
|
||||
return (-1);
|
||||
|
||||
*eax = pmtmr_val();
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
INOUT_PORT(pmtmr, IO_PMTMR, IOPORT_F_IN, pmtmr_handler);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user