Users of struct Range mess liberally with its members, which makes refactoring hard. Create a set of methods, and convert all users to call them instead of accessing members. The methods have carefully worded contracts, and use assertions to check them. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2836 lines
95 KiB
C
2836 lines
95 KiB
C
/* Support for generating ACPI tables and passing them to Guests
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*
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* Copyright (C) 2008-2010 Kevin O'Connor <kevin@koconnor.net>
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* Copyright (C) 2006 Fabrice Bellard
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* Copyright (C) 2013 Red Hat Inc
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*
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* Author: Michael S. Tsirkin <mst@redhat.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "acpi-build.h"
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#include "qemu-common.h"
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#include "qemu/bitmap.h"
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#include "qemu/error-report.h"
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#include "hw/pci/pci.h"
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#include "qom/cpu.h"
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#include "hw/i386/pc.h"
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#include "target-i386/cpu.h"
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#include "hw/timer/hpet.h"
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#include "hw/acpi/acpi-defs.h"
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#include "hw/acpi/acpi.h"
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#include "hw/acpi/cpu.h"
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#include "hw/nvram/fw_cfg.h"
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#include "hw/acpi/bios-linker-loader.h"
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#include "hw/loader.h"
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#include "hw/isa/isa.h"
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#include "hw/block/fdc.h"
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#include "hw/acpi/memory_hotplug.h"
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#include "sysemu/tpm.h"
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#include "hw/acpi/tpm.h"
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#include "sysemu/tpm_backend.h"
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#include "hw/timer/mc146818rtc_regs.h"
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#include "sysemu/numa.h"
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/* Supported chipsets: */
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#include "hw/acpi/piix4.h"
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#include "hw/acpi/pcihp.h"
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#include "hw/i386/ich9.h"
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#include "hw/pci/pci_bus.h"
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#include "hw/pci-host/q35.h"
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#include "hw/i386/intel_iommu.h"
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#include "hw/timer/hpet.h"
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#include "hw/acpi/aml-build.h"
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#include "qapi/qmp/qint.h"
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#include "qom/qom-qobject.h"
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#include "hw/acpi/ipmi.h"
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/* These are used to size the ACPI tables for -M pc-i440fx-1.7 and
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* -M pc-i440fx-2.0. Even if the actual amount of AML generated grows
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* a little bit, there should be plenty of free space since the DSDT
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* shrunk by ~1.5k between QEMU 2.0 and QEMU 2.1.
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*/
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#define ACPI_BUILD_LEGACY_CPU_AML_SIZE 97
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#define ACPI_BUILD_ALIGN_SIZE 0x1000
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#define ACPI_BUILD_TABLE_SIZE 0x20000
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/* #define DEBUG_ACPI_BUILD */
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#ifdef DEBUG_ACPI_BUILD
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#define ACPI_BUILD_DPRINTF(fmt, ...) \
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do {printf("ACPI_BUILD: " fmt, ## __VA_ARGS__); } while (0)
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#else
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#define ACPI_BUILD_DPRINTF(fmt, ...)
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#endif
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typedef struct AcpiMcfgInfo {
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uint64_t mcfg_base;
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uint32_t mcfg_size;
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} AcpiMcfgInfo;
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typedef struct AcpiPmInfo {
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bool s3_disabled;
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bool s4_disabled;
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bool pcihp_bridge_en;
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uint8_t s4_val;
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uint16_t sci_int;
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uint8_t acpi_enable_cmd;
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uint8_t acpi_disable_cmd;
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uint32_t gpe0_blk;
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uint32_t gpe0_blk_len;
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uint32_t io_base;
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uint16_t cpu_hp_io_base;
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uint16_t mem_hp_io_base;
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uint16_t mem_hp_io_len;
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uint16_t pcihp_io_base;
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uint16_t pcihp_io_len;
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} AcpiPmInfo;
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typedef struct AcpiMiscInfo {
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bool is_piix4;
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bool has_hpet;
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TPMVersion tpm_version;
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const unsigned char *dsdt_code;
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unsigned dsdt_size;
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uint16_t pvpanic_port;
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uint16_t applesmc_io_base;
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} AcpiMiscInfo;
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typedef struct AcpiBuildPciBusHotplugState {
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GArray *device_table;
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GArray *notify_table;
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struct AcpiBuildPciBusHotplugState *parent;
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bool pcihp_bridge_en;
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} AcpiBuildPciBusHotplugState;
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static void acpi_get_pm_info(AcpiPmInfo *pm)
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{
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Object *piix = piix4_pm_find();
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Object *lpc = ich9_lpc_find();
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Object *obj = NULL;
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QObject *o;
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pm->cpu_hp_io_base = 0;
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pm->pcihp_io_base = 0;
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pm->pcihp_io_len = 0;
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if (piix) {
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obj = piix;
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pm->cpu_hp_io_base = PIIX4_CPU_HOTPLUG_IO_BASE;
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pm->pcihp_io_base =
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object_property_get_int(obj, ACPI_PCIHP_IO_BASE_PROP, NULL);
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pm->pcihp_io_len =
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object_property_get_int(obj, ACPI_PCIHP_IO_LEN_PROP, NULL);
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}
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if (lpc) {
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obj = lpc;
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pm->cpu_hp_io_base = ICH9_CPU_HOTPLUG_IO_BASE;
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}
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assert(obj);
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pm->mem_hp_io_base = ACPI_MEMORY_HOTPLUG_BASE;
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pm->mem_hp_io_len = ACPI_MEMORY_HOTPLUG_IO_LEN;
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/* Fill in optional s3/s4 related properties */
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o = object_property_get_qobject(obj, ACPI_PM_PROP_S3_DISABLED, NULL);
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if (o) {
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pm->s3_disabled = qint_get_int(qobject_to_qint(o));
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} else {
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pm->s3_disabled = false;
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}
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qobject_decref(o);
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o = object_property_get_qobject(obj, ACPI_PM_PROP_S4_DISABLED, NULL);
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if (o) {
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pm->s4_disabled = qint_get_int(qobject_to_qint(o));
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} else {
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pm->s4_disabled = false;
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}
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qobject_decref(o);
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o = object_property_get_qobject(obj, ACPI_PM_PROP_S4_VAL, NULL);
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if (o) {
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pm->s4_val = qint_get_int(qobject_to_qint(o));
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} else {
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pm->s4_val = false;
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}
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qobject_decref(o);
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/* Fill in mandatory properties */
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pm->sci_int = object_property_get_int(obj, ACPI_PM_PROP_SCI_INT, NULL);
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pm->acpi_enable_cmd = object_property_get_int(obj,
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ACPI_PM_PROP_ACPI_ENABLE_CMD,
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NULL);
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pm->acpi_disable_cmd = object_property_get_int(obj,
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ACPI_PM_PROP_ACPI_DISABLE_CMD,
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NULL);
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pm->io_base = object_property_get_int(obj, ACPI_PM_PROP_PM_IO_BASE,
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NULL);
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pm->gpe0_blk = object_property_get_int(obj, ACPI_PM_PROP_GPE0_BLK,
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NULL);
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pm->gpe0_blk_len = object_property_get_int(obj, ACPI_PM_PROP_GPE0_BLK_LEN,
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NULL);
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pm->pcihp_bridge_en =
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object_property_get_bool(obj, "acpi-pci-hotplug-with-bridge-support",
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NULL);
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}
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static void acpi_get_misc_info(AcpiMiscInfo *info)
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{
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Object *piix = piix4_pm_find();
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Object *lpc = ich9_lpc_find();
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assert(!!piix != !!lpc);
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if (piix) {
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info->is_piix4 = true;
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}
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if (lpc) {
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info->is_piix4 = false;
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}
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info->has_hpet = hpet_find();
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info->tpm_version = tpm_get_version();
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info->pvpanic_port = pvpanic_port();
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info->applesmc_io_base = applesmc_port();
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}
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/*
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* Because of the PXB hosts we cannot simply query TYPE_PCI_HOST_BRIDGE.
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* On i386 arch we only have two pci hosts, so we can look only for them.
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*/
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static Object *acpi_get_i386_pci_host(void)
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{
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PCIHostState *host;
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host = OBJECT_CHECK(PCIHostState,
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object_resolve_path("/machine/i440fx", NULL),
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TYPE_PCI_HOST_BRIDGE);
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if (!host) {
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host = OBJECT_CHECK(PCIHostState,
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object_resolve_path("/machine/q35", NULL),
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TYPE_PCI_HOST_BRIDGE);
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}
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return OBJECT(host);
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}
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static void acpi_get_pci_holes(Range *hole, Range *hole64)
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{
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Object *pci_host;
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pci_host = acpi_get_i386_pci_host();
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g_assert(pci_host);
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range_set_bounds1(hole,
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object_property_get_int(pci_host,
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PCI_HOST_PROP_PCI_HOLE_START,
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NULL),
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object_property_get_int(pci_host,
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PCI_HOST_PROP_PCI_HOLE_END,
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NULL));
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range_set_bounds1(hole64,
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object_property_get_int(pci_host,
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PCI_HOST_PROP_PCI_HOLE64_START,
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NULL),
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object_property_get_int(pci_host,
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PCI_HOST_PROP_PCI_HOLE64_END,
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NULL));
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}
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#define ACPI_PORT_SMI_CMD 0x00b2 /* TODO: this is APM_CNT_IOPORT */
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static void acpi_align_size(GArray *blob, unsigned align)
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{
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/* Align size to multiple of given size. This reduces the chance
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* we need to change size in the future (breaking cross version migration).
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*/
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g_array_set_size(blob, ROUND_UP(acpi_data_len(blob), align));
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}
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/* FACS */
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static void
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build_facs(GArray *table_data, BIOSLinker *linker)
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{
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AcpiFacsDescriptorRev1 *facs = acpi_data_push(table_data, sizeof *facs);
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memcpy(&facs->signature, "FACS", 4);
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facs->length = cpu_to_le32(sizeof(*facs));
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}
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/* Load chipset information in FADT */
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static void fadt_setup(AcpiFadtDescriptorRev1 *fadt, AcpiPmInfo *pm)
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{
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fadt->model = 1;
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fadt->reserved1 = 0;
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fadt->sci_int = cpu_to_le16(pm->sci_int);
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fadt->smi_cmd = cpu_to_le32(ACPI_PORT_SMI_CMD);
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fadt->acpi_enable = pm->acpi_enable_cmd;
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fadt->acpi_disable = pm->acpi_disable_cmd;
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/* EVT, CNT, TMR offset matches hw/acpi/core.c */
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fadt->pm1a_evt_blk = cpu_to_le32(pm->io_base);
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fadt->pm1a_cnt_blk = cpu_to_le32(pm->io_base + 0x04);
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fadt->pm_tmr_blk = cpu_to_le32(pm->io_base + 0x08);
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fadt->gpe0_blk = cpu_to_le32(pm->gpe0_blk);
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/* EVT, CNT, TMR length matches hw/acpi/core.c */
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fadt->pm1_evt_len = 4;
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fadt->pm1_cnt_len = 2;
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fadt->pm_tmr_len = 4;
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fadt->gpe0_blk_len = pm->gpe0_blk_len;
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fadt->plvl2_lat = cpu_to_le16(0xfff); /* C2 state not supported */
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fadt->plvl3_lat = cpu_to_le16(0xfff); /* C3 state not supported */
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fadt->flags = cpu_to_le32((1 << ACPI_FADT_F_WBINVD) |
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(1 << ACPI_FADT_F_PROC_C1) |
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(1 << ACPI_FADT_F_SLP_BUTTON) |
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(1 << ACPI_FADT_F_RTC_S4));
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fadt->flags |= cpu_to_le32(1 << ACPI_FADT_F_USE_PLATFORM_CLOCK);
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/* APIC destination mode ("Flat Logical") has an upper limit of 8 CPUs
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* For more than 8 CPUs, "Clustered Logical" mode has to be used
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*/
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if (max_cpus > 8) {
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fadt->flags |= cpu_to_le32(1 << ACPI_FADT_F_FORCE_APIC_CLUSTER_MODEL);
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}
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fadt->century = RTC_CENTURY;
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}
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/* FADT */
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static void
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build_fadt(GArray *table_data, BIOSLinker *linker, AcpiPmInfo *pm,
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unsigned facs_tbl_offset, unsigned dsdt_tbl_offset,
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const char *oem_id, const char *oem_table_id)
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{
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AcpiFadtDescriptorRev1 *fadt = acpi_data_push(table_data, sizeof(*fadt));
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unsigned fw_ctrl_offset = (char *)&fadt->firmware_ctrl - table_data->data;
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unsigned dsdt_entry_offset = (char *)&fadt->dsdt - table_data->data;
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/* FACS address to be filled by Guest linker */
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bios_linker_loader_add_pointer(linker,
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ACPI_BUILD_TABLE_FILE, fw_ctrl_offset, sizeof(fadt->firmware_ctrl),
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ACPI_BUILD_TABLE_FILE, facs_tbl_offset);
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/* DSDT address to be filled by Guest linker */
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fadt_setup(fadt, pm);
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bios_linker_loader_add_pointer(linker,
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ACPI_BUILD_TABLE_FILE, dsdt_entry_offset, sizeof(fadt->dsdt),
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ACPI_BUILD_TABLE_FILE, dsdt_tbl_offset);
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build_header(linker, table_data,
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(void *)fadt, "FACP", sizeof(*fadt), 1, oem_id, oem_table_id);
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}
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void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid,
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CPUArchIdList *apic_ids, GArray *entry)
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{
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int apic_id;
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AcpiMadtProcessorApic *apic = acpi_data_push(entry, sizeof *apic);
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apic_id = apic_ids->cpus[uid].arch_id;
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apic->type = ACPI_APIC_PROCESSOR;
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apic->length = sizeof(*apic);
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apic->processor_id = uid;
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apic->local_apic_id = apic_id;
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if (apic_ids->cpus[uid].cpu != NULL) {
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apic->flags = cpu_to_le32(1);
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} else {
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/* ACPI spec says that LAPIC entry for non present
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* CPU may be omitted from MADT or it must be marked
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* as disabled. However omitting non present CPU from
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* MADT breaks hotplug on linux. So possible CPUs
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* should be put in MADT but kept disabled.
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*/
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apic->flags = cpu_to_le32(0);
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}
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}
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static void
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build_madt(GArray *table_data, BIOSLinker *linker, PCMachineState *pcms)
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{
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MachineClass *mc = MACHINE_GET_CLASS(pcms);
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CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(MACHINE(pcms));
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int madt_start = table_data->len;
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AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_GET_CLASS(pcms->acpi_dev);
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AcpiDeviceIf *adev = ACPI_DEVICE_IF(pcms->acpi_dev);
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AcpiMultipleApicTable *madt;
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AcpiMadtIoApic *io_apic;
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AcpiMadtIntsrcovr *intsrcovr;
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AcpiMadtLocalNmi *local_nmi;
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int i;
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madt = acpi_data_push(table_data, sizeof *madt);
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madt->local_apic_address = cpu_to_le32(APIC_DEFAULT_ADDRESS);
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madt->flags = cpu_to_le32(1);
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for (i = 0; i < apic_ids->len; i++) {
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adevc->madt_cpu(adev, i, apic_ids, table_data);
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}
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g_free(apic_ids);
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io_apic = acpi_data_push(table_data, sizeof *io_apic);
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io_apic->type = ACPI_APIC_IO;
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io_apic->length = sizeof(*io_apic);
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#define ACPI_BUILD_IOAPIC_ID 0x0
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io_apic->io_apic_id = ACPI_BUILD_IOAPIC_ID;
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io_apic->address = cpu_to_le32(IO_APIC_DEFAULT_ADDRESS);
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io_apic->interrupt = cpu_to_le32(0);
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if (pcms->apic_xrupt_override) {
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intsrcovr = acpi_data_push(table_data, sizeof *intsrcovr);
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intsrcovr->type = ACPI_APIC_XRUPT_OVERRIDE;
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intsrcovr->length = sizeof(*intsrcovr);
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intsrcovr->source = 0;
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intsrcovr->gsi = cpu_to_le32(2);
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intsrcovr->flags = cpu_to_le16(0); /* conforms to bus specifications */
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}
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for (i = 1; i < 16; i++) {
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#define ACPI_BUILD_PCI_IRQS ((1<<5) | (1<<9) | (1<<10) | (1<<11))
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if (!(ACPI_BUILD_PCI_IRQS & (1 << i))) {
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/* No need for a INT source override structure. */
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continue;
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}
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intsrcovr = acpi_data_push(table_data, sizeof *intsrcovr);
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intsrcovr->type = ACPI_APIC_XRUPT_OVERRIDE;
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intsrcovr->length = sizeof(*intsrcovr);
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intsrcovr->source = i;
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intsrcovr->gsi = cpu_to_le32(i);
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intsrcovr->flags = cpu_to_le16(0xd); /* active high, level triggered */
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}
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local_nmi = acpi_data_push(table_data, sizeof *local_nmi);
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local_nmi->type = ACPI_APIC_LOCAL_NMI;
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local_nmi->length = sizeof(*local_nmi);
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local_nmi->processor_id = 0xff; /* all processors */
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local_nmi->flags = cpu_to_le16(0);
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local_nmi->lint = 1; /* ACPI_LINT1 */
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build_header(linker, table_data,
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(void *)(table_data->data + madt_start), "APIC",
|
|
table_data->len - madt_start, 1, NULL, NULL);
|
|
}
|
|
|
|
/* Assign BSEL property to all buses. In the future, this can be changed
|
|
* to only assign to buses that support hotplug.
|
|
*/
|
|
static void *acpi_set_bsel(PCIBus *bus, void *opaque)
|
|
{
|
|
unsigned *bsel_alloc = opaque;
|
|
unsigned *bus_bsel;
|
|
|
|
if (qbus_is_hotpluggable(BUS(bus))) {
|
|
bus_bsel = g_malloc(sizeof *bus_bsel);
|
|
|
|
*bus_bsel = (*bsel_alloc)++;
|
|
object_property_add_uint32_ptr(OBJECT(bus), ACPI_PCIHP_PROP_BSEL,
|
|
bus_bsel, NULL);
|
|
}
|
|
|
|
return bsel_alloc;
|
|
}
|
|
|
|
static void acpi_set_pci_info(void)
|
|
{
|
|
PCIBus *bus = find_i440fx(); /* TODO: Q35 support */
|
|
unsigned bsel_alloc = 0;
|
|
|
|
if (bus) {
|
|
/* Scan all PCI buses. Set property to enable acpi based hotplug. */
|
|
pci_for_each_bus_depth_first(bus, acpi_set_bsel, NULL, &bsel_alloc);
|
|
}
|
|
}
|
|
|
|
static void build_append_pcihp_notify_entry(Aml *method, int slot)
|
|
{
|
|
Aml *if_ctx;
|
|
int32_t devfn = PCI_DEVFN(slot, 0);
|
|
|
|
if_ctx = aml_if(aml_and(aml_arg(0), aml_int(0x1U << slot), NULL));
|
|
aml_append(if_ctx, aml_notify(aml_name("S%.02X", devfn), aml_arg(1)));
|
|
aml_append(method, if_ctx);
|
|
}
|
|
|
|
static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus,
|
|
bool pcihp_bridge_en)
|
|
{
|
|
Aml *dev, *notify_method, *method;
|
|
QObject *bsel;
|
|
PCIBus *sec;
|
|
int i;
|
|
|
|
bsel = object_property_get_qobject(OBJECT(bus), ACPI_PCIHP_PROP_BSEL, NULL);
|
|
if (bsel) {
|
|
int64_t bsel_val = qint_get_int(qobject_to_qint(bsel));
|
|
|
|
aml_append(parent_scope, aml_name_decl("BSEL", aml_int(bsel_val)));
|
|
notify_method = aml_method("DVNT", 2, AML_NOTSERIALIZED);
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_SIZE(bus->devices); i += PCI_FUNC_MAX) {
|
|
DeviceClass *dc;
|
|
PCIDeviceClass *pc;
|
|
PCIDevice *pdev = bus->devices[i];
|
|
int slot = PCI_SLOT(i);
|
|
bool hotplug_enabled_dev;
|
|
bool bridge_in_acpi;
|
|
|
|
if (!pdev) {
|
|
if (bsel) { /* add hotplug slots for non present devices */
|
|
dev = aml_device("S%.02X", PCI_DEVFN(slot, 0));
|
|
aml_append(dev, aml_name_decl("_SUN", aml_int(slot)));
|
|
aml_append(dev, aml_name_decl("_ADR", aml_int(slot << 16)));
|
|
method = aml_method("_EJ0", 1, AML_NOTSERIALIZED);
|
|
aml_append(method,
|
|
aml_call2("PCEJ", aml_name("BSEL"), aml_name("_SUN"))
|
|
);
|
|
aml_append(dev, method);
|
|
aml_append(parent_scope, dev);
|
|
|
|
build_append_pcihp_notify_entry(notify_method, slot);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
pc = PCI_DEVICE_GET_CLASS(pdev);
|
|
dc = DEVICE_GET_CLASS(pdev);
|
|
|
|
/* When hotplug for bridges is enabled, bridges are
|
|
* described in ACPI separately (see build_pci_bus_end).
|
|
* In this case they aren't themselves hot-pluggable.
|
|
* Hotplugged bridges *are* hot-pluggable.
|
|
*/
|
|
bridge_in_acpi = pc->is_bridge && pcihp_bridge_en &&
|
|
!DEVICE(pdev)->hotplugged;
|
|
|
|
hotplug_enabled_dev = bsel && dc->hotpluggable && !bridge_in_acpi;
|
|
|
|
if (pc->class_id == PCI_CLASS_BRIDGE_ISA) {
|
|
continue;
|
|
}
|
|
|
|
/* start to compose PCI slot descriptor */
|
|
dev = aml_device("S%.02X", PCI_DEVFN(slot, 0));
|
|
aml_append(dev, aml_name_decl("_ADR", aml_int(slot << 16)));
|
|
|
|
if (pc->class_id == PCI_CLASS_DISPLAY_VGA) {
|
|
/* add VGA specific AML methods */
|
|
int s3d;
|
|
|
|
if (object_dynamic_cast(OBJECT(pdev), "qxl-vga")) {
|
|
s3d = 3;
|
|
} else {
|
|
s3d = 0;
|
|
}
|
|
|
|
method = aml_method("_S1D", 0, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_return(aml_int(0)));
|
|
aml_append(dev, method);
|
|
|
|
method = aml_method("_S2D", 0, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_return(aml_int(0)));
|
|
aml_append(dev, method);
|
|
|
|
method = aml_method("_S3D", 0, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_return(aml_int(s3d)));
|
|
aml_append(dev, method);
|
|
} else if (hotplug_enabled_dev) {
|
|
/* add _SUN/_EJ0 to make slot hotpluggable */
|
|
aml_append(dev, aml_name_decl("_SUN", aml_int(slot)));
|
|
|
|
method = aml_method("_EJ0", 1, AML_NOTSERIALIZED);
|
|
aml_append(method,
|
|
aml_call2("PCEJ", aml_name("BSEL"), aml_name("_SUN"))
|
|
);
|
|
aml_append(dev, method);
|
|
|
|
if (bsel) {
|
|
build_append_pcihp_notify_entry(notify_method, slot);
|
|
}
|
|
} else if (bridge_in_acpi) {
|
|
/*
|
|
* device is coldplugged bridge,
|
|
* add child device descriptions into its scope
|
|
*/
|
|
PCIBus *sec_bus = pci_bridge_get_sec_bus(PCI_BRIDGE(pdev));
|
|
|
|
build_append_pci_bus_devices(dev, sec_bus, pcihp_bridge_en);
|
|
}
|
|
/* slot descriptor has been composed, add it into parent context */
|
|
aml_append(parent_scope, dev);
|
|
}
|
|
|
|
if (bsel) {
|
|
aml_append(parent_scope, notify_method);
|
|
}
|
|
|
|
/* Append PCNT method to notify about events on local and child buses.
|
|
* Add unconditionally for root since DSDT expects it.
|
|
*/
|
|
method = aml_method("PCNT", 0, AML_NOTSERIALIZED);
|
|
|
|
/* If bus supports hotplug select it and notify about local events */
|
|
if (bsel) {
|
|
int64_t bsel_val = qint_get_int(qobject_to_qint(bsel));
|
|
aml_append(method, aml_store(aml_int(bsel_val), aml_name("BNUM")));
|
|
aml_append(method,
|
|
aml_call2("DVNT", aml_name("PCIU"), aml_int(1) /* Device Check */)
|
|
);
|
|
aml_append(method,
|
|
aml_call2("DVNT", aml_name("PCID"), aml_int(3)/* Eject Request */)
|
|
);
|
|
}
|
|
|
|
/* Notify about child bus events in any case */
|
|
if (pcihp_bridge_en) {
|
|
QLIST_FOREACH(sec, &bus->child, sibling) {
|
|
int32_t devfn = sec->parent_dev->devfn;
|
|
|
|
aml_append(method, aml_name("^S%.02X.PCNT", devfn));
|
|
}
|
|
}
|
|
aml_append(parent_scope, method);
|
|
qobject_decref(bsel);
|
|
}
|
|
|
|
/**
|
|
* build_prt_entry:
|
|
* @link_name: link name for PCI route entry
|
|
*
|
|
* build AML package containing a PCI route entry for @link_name
|
|
*/
|
|
static Aml *build_prt_entry(const char *link_name)
|
|
{
|
|
Aml *a_zero = aml_int(0);
|
|
Aml *pkg = aml_package(4);
|
|
aml_append(pkg, a_zero);
|
|
aml_append(pkg, a_zero);
|
|
aml_append(pkg, aml_name("%s", link_name));
|
|
aml_append(pkg, a_zero);
|
|
return pkg;
|
|
}
|
|
|
|
/*
|
|
* initialize_route - Initialize the interrupt routing rule
|
|
* through a specific LINK:
|
|
* if (lnk_idx == idx)
|
|
* route using link 'link_name'
|
|
*/
|
|
static Aml *initialize_route(Aml *route, const char *link_name,
|
|
Aml *lnk_idx, int idx)
|
|
{
|
|
Aml *if_ctx = aml_if(aml_equal(lnk_idx, aml_int(idx)));
|
|
Aml *pkg = build_prt_entry(link_name);
|
|
|
|
aml_append(if_ctx, aml_store(pkg, route));
|
|
|
|
return if_ctx;
|
|
}
|
|
|
|
/*
|
|
* build_prt - Define interrupt rounting rules
|
|
*
|
|
* Returns an array of 128 routes, one for each device,
|
|
* based on device location.
|
|
* The main goal is to equaly distribute the interrupts
|
|
* over the 4 existing ACPI links (works only for i440fx).
|
|
* The hash function is (slot + pin) & 3 -> "LNK[D|A|B|C]".
|
|
*
|
|
*/
|
|
static Aml *build_prt(bool is_pci0_prt)
|
|
{
|
|
Aml *method, *while_ctx, *pin, *res;
|
|
|
|
method = aml_method("_PRT", 0, AML_NOTSERIALIZED);
|
|
res = aml_local(0);
|
|
pin = aml_local(1);
|
|
aml_append(method, aml_store(aml_package(128), res));
|
|
aml_append(method, aml_store(aml_int(0), pin));
|
|
|
|
/* while (pin < 128) */
|
|
while_ctx = aml_while(aml_lless(pin, aml_int(128)));
|
|
{
|
|
Aml *slot = aml_local(2);
|
|
Aml *lnk_idx = aml_local(3);
|
|
Aml *route = aml_local(4);
|
|
|
|
/* slot = pin >> 2 */
|
|
aml_append(while_ctx,
|
|
aml_store(aml_shiftright(pin, aml_int(2), NULL), slot));
|
|
/* lnk_idx = (slot + pin) & 3 */
|
|
aml_append(while_ctx,
|
|
aml_store(aml_and(aml_add(pin, slot, NULL), aml_int(3), NULL),
|
|
lnk_idx));
|
|
|
|
/* route[2] = "LNK[D|A|B|C]", selection based on pin % 3 */
|
|
aml_append(while_ctx, initialize_route(route, "LNKD", lnk_idx, 0));
|
|
if (is_pci0_prt) {
|
|
Aml *if_device_1, *if_pin_4, *else_pin_4;
|
|
|
|
/* device 1 is the power-management device, needs SCI */
|
|
if_device_1 = aml_if(aml_equal(lnk_idx, aml_int(1)));
|
|
{
|
|
if_pin_4 = aml_if(aml_equal(pin, aml_int(4)));
|
|
{
|
|
aml_append(if_pin_4,
|
|
aml_store(build_prt_entry("LNKS"), route));
|
|
}
|
|
aml_append(if_device_1, if_pin_4);
|
|
else_pin_4 = aml_else();
|
|
{
|
|
aml_append(else_pin_4,
|
|
aml_store(build_prt_entry("LNKA"), route));
|
|
}
|
|
aml_append(if_device_1, else_pin_4);
|
|
}
|
|
aml_append(while_ctx, if_device_1);
|
|
} else {
|
|
aml_append(while_ctx, initialize_route(route, "LNKA", lnk_idx, 1));
|
|
}
|
|
aml_append(while_ctx, initialize_route(route, "LNKB", lnk_idx, 2));
|
|
aml_append(while_ctx, initialize_route(route, "LNKC", lnk_idx, 3));
|
|
|
|
/* route[0] = 0x[slot]FFFF */
|
|
aml_append(while_ctx,
|
|
aml_store(aml_or(aml_shiftleft(slot, aml_int(16)), aml_int(0xFFFF),
|
|
NULL),
|
|
aml_index(route, aml_int(0))));
|
|
/* route[1] = pin & 3 */
|
|
aml_append(while_ctx,
|
|
aml_store(aml_and(pin, aml_int(3), NULL),
|
|
aml_index(route, aml_int(1))));
|
|
/* res[pin] = route */
|
|
aml_append(while_ctx, aml_store(route, aml_index(res, pin)));
|
|
/* pin++ */
|
|
aml_append(while_ctx, aml_increment(pin));
|
|
}
|
|
aml_append(method, while_ctx);
|
|
/* return res*/
|
|
aml_append(method, aml_return(res));
|
|
|
|
return method;
|
|
}
|
|
|
|
typedef struct CrsRangeEntry {
|
|
uint64_t base;
|
|
uint64_t limit;
|
|
} CrsRangeEntry;
|
|
|
|
static void crs_range_insert(GPtrArray *ranges, uint64_t base, uint64_t limit)
|
|
{
|
|
CrsRangeEntry *entry;
|
|
|
|
entry = g_malloc(sizeof(*entry));
|
|
entry->base = base;
|
|
entry->limit = limit;
|
|
|
|
g_ptr_array_add(ranges, entry);
|
|
}
|
|
|
|
static void crs_range_free(gpointer data)
|
|
{
|
|
CrsRangeEntry *entry = (CrsRangeEntry *)data;
|
|
g_free(entry);
|
|
}
|
|
|
|
static gint crs_range_compare(gconstpointer a, gconstpointer b)
|
|
{
|
|
CrsRangeEntry *entry_a = *(CrsRangeEntry **)a;
|
|
CrsRangeEntry *entry_b = *(CrsRangeEntry **)b;
|
|
|
|
return (int64_t)entry_a->base - (int64_t)entry_b->base;
|
|
}
|
|
|
|
/*
|
|
* crs_replace_with_free_ranges - given the 'used' ranges within [start - end]
|
|
* interval, computes the 'free' ranges from the same interval.
|
|
* Example: If the input array is { [a1 - a2],[b1 - b2] }, the function
|
|
* will return { [base - a1], [a2 - b1], [b2 - limit] }.
|
|
*/
|
|
static void crs_replace_with_free_ranges(GPtrArray *ranges,
|
|
uint64_t start, uint64_t end)
|
|
{
|
|
GPtrArray *free_ranges = g_ptr_array_new_with_free_func(crs_range_free);
|
|
uint64_t free_base = start;
|
|
int i;
|
|
|
|
g_ptr_array_sort(ranges, crs_range_compare);
|
|
for (i = 0; i < ranges->len; i++) {
|
|
CrsRangeEntry *used = g_ptr_array_index(ranges, i);
|
|
|
|
if (free_base < used->base) {
|
|
crs_range_insert(free_ranges, free_base, used->base - 1);
|
|
}
|
|
|
|
free_base = used->limit + 1;
|
|
}
|
|
|
|
if (free_base < end) {
|
|
crs_range_insert(free_ranges, free_base, end);
|
|
}
|
|
|
|
g_ptr_array_set_size(ranges, 0);
|
|
for (i = 0; i < free_ranges->len; i++) {
|
|
g_ptr_array_add(ranges, g_ptr_array_index(free_ranges, i));
|
|
}
|
|
|
|
g_ptr_array_free(free_ranges, false);
|
|
}
|
|
|
|
/*
|
|
* crs_range_merge - merges adjacent ranges in the given array.
|
|
* Array elements are deleted and replaced with the merged ranges.
|
|
*/
|
|
static void crs_range_merge(GPtrArray *range)
|
|
{
|
|
GPtrArray *tmp = g_ptr_array_new_with_free_func(crs_range_free);
|
|
CrsRangeEntry *entry;
|
|
uint64_t range_base, range_limit;
|
|
int i;
|
|
|
|
if (!range->len) {
|
|
return;
|
|
}
|
|
|
|
g_ptr_array_sort(range, crs_range_compare);
|
|
|
|
entry = g_ptr_array_index(range, 0);
|
|
range_base = entry->base;
|
|
range_limit = entry->limit;
|
|
for (i = 1; i < range->len; i++) {
|
|
entry = g_ptr_array_index(range, i);
|
|
if (entry->base - 1 == range_limit) {
|
|
range_limit = entry->limit;
|
|
} else {
|
|
crs_range_insert(tmp, range_base, range_limit);
|
|
range_base = entry->base;
|
|
range_limit = entry->limit;
|
|
}
|
|
}
|
|
crs_range_insert(tmp, range_base, range_limit);
|
|
|
|
g_ptr_array_set_size(range, 0);
|
|
for (i = 0; i < tmp->len; i++) {
|
|
entry = g_ptr_array_index(tmp, i);
|
|
crs_range_insert(range, entry->base, entry->limit);
|
|
}
|
|
g_ptr_array_free(tmp, true);
|
|
}
|
|
|
|
static Aml *build_crs(PCIHostState *host,
|
|
GPtrArray *io_ranges, GPtrArray *mem_ranges)
|
|
{
|
|
Aml *crs = aml_resource_template();
|
|
GPtrArray *host_io_ranges = g_ptr_array_new_with_free_func(crs_range_free);
|
|
GPtrArray *host_mem_ranges = g_ptr_array_new_with_free_func(crs_range_free);
|
|
CrsRangeEntry *entry;
|
|
uint8_t max_bus = pci_bus_num(host->bus);
|
|
uint8_t type;
|
|
int devfn;
|
|
int i;
|
|
|
|
for (devfn = 0; devfn < ARRAY_SIZE(host->bus->devices); devfn++) {
|
|
uint64_t range_base, range_limit;
|
|
PCIDevice *dev = host->bus->devices[devfn];
|
|
|
|
if (!dev) {
|
|
continue;
|
|
}
|
|
|
|
for (i = 0; i < PCI_NUM_REGIONS; i++) {
|
|
PCIIORegion *r = &dev->io_regions[i];
|
|
|
|
range_base = r->addr;
|
|
range_limit = r->addr + r->size - 1;
|
|
|
|
/*
|
|
* Work-around for old bioses
|
|
* that do not support multiple root buses
|
|
*/
|
|
if (!range_base || range_base > range_limit) {
|
|
continue;
|
|
}
|
|
|
|
if (r->type & PCI_BASE_ADDRESS_SPACE_IO) {
|
|
crs_range_insert(host_io_ranges, range_base, range_limit);
|
|
} else { /* "memory" */
|
|
crs_range_insert(host_mem_ranges, range_base, range_limit);
|
|
}
|
|
}
|
|
|
|
type = dev->config[PCI_HEADER_TYPE] & ~PCI_HEADER_TYPE_MULTI_FUNCTION;
|
|
if (type == PCI_HEADER_TYPE_BRIDGE) {
|
|
uint8_t subordinate = dev->config[PCI_SUBORDINATE_BUS];
|
|
if (subordinate > max_bus) {
|
|
max_bus = subordinate;
|
|
}
|
|
|
|
range_base = pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_IO);
|
|
range_limit = pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_IO);
|
|
|
|
/*
|
|
* Work-around for old bioses
|
|
* that do not support multiple root buses
|
|
*/
|
|
if (range_base && range_base <= range_limit) {
|
|
crs_range_insert(host_io_ranges, range_base, range_limit);
|
|
}
|
|
|
|
range_base =
|
|
pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_MEMORY);
|
|
range_limit =
|
|
pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_MEMORY);
|
|
|
|
/*
|
|
* Work-around for old bioses
|
|
* that do not support multiple root buses
|
|
*/
|
|
if (range_base && range_base <= range_limit) {
|
|
crs_range_insert(host_mem_ranges, range_base, range_limit);
|
|
}
|
|
|
|
range_base =
|
|
pci_bridge_get_base(dev, PCI_BASE_ADDRESS_MEM_PREFETCH);
|
|
range_limit =
|
|
pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_MEM_PREFETCH);
|
|
|
|
/*
|
|
* Work-around for old bioses
|
|
* that do not support multiple root buses
|
|
*/
|
|
if (range_base && range_base <= range_limit) {
|
|
crs_range_insert(host_mem_ranges, range_base, range_limit);
|
|
}
|
|
}
|
|
}
|
|
|
|
crs_range_merge(host_io_ranges);
|
|
for (i = 0; i < host_io_ranges->len; i++) {
|
|
entry = g_ptr_array_index(host_io_ranges, i);
|
|
aml_append(crs,
|
|
aml_word_io(AML_MIN_FIXED, AML_MAX_FIXED,
|
|
AML_POS_DECODE, AML_ENTIRE_RANGE,
|
|
0, entry->base, entry->limit, 0,
|
|
entry->limit - entry->base + 1));
|
|
crs_range_insert(io_ranges, entry->base, entry->limit);
|
|
}
|
|
g_ptr_array_free(host_io_ranges, true);
|
|
|
|
crs_range_merge(host_mem_ranges);
|
|
for (i = 0; i < host_mem_ranges->len; i++) {
|
|
entry = g_ptr_array_index(host_mem_ranges, i);
|
|
aml_append(crs,
|
|
aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED,
|
|
AML_MAX_FIXED, AML_NON_CACHEABLE,
|
|
AML_READ_WRITE,
|
|
0, entry->base, entry->limit, 0,
|
|
entry->limit - entry->base + 1));
|
|
crs_range_insert(mem_ranges, entry->base, entry->limit);
|
|
}
|
|
g_ptr_array_free(host_mem_ranges, true);
|
|
|
|
aml_append(crs,
|
|
aml_word_bus_number(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE,
|
|
0,
|
|
pci_bus_num(host->bus),
|
|
max_bus,
|
|
0,
|
|
max_bus - pci_bus_num(host->bus) + 1));
|
|
|
|
return crs;
|
|
}
|
|
|
|
static void build_memory_devices(Aml *sb_scope, int nr_mem,
|
|
uint16_t io_base, uint16_t io_len)
|
|
{
|
|
int i;
|
|
Aml *scope;
|
|
Aml *crs;
|
|
Aml *field;
|
|
Aml *dev;
|
|
Aml *method;
|
|
Aml *ifctx;
|
|
|
|
/* build memory devices */
|
|
assert(nr_mem <= ACPI_MAX_RAM_SLOTS);
|
|
scope = aml_scope("\\_SB.PCI0." MEMORY_HOTPLUG_DEVICE);
|
|
aml_append(scope,
|
|
aml_name_decl(MEMORY_SLOTS_NUMBER, aml_int(nr_mem))
|
|
);
|
|
|
|
crs = aml_resource_template();
|
|
aml_append(crs,
|
|
aml_io(AML_DECODE16, io_base, io_base, 0, io_len)
|
|
);
|
|
aml_append(scope, aml_name_decl("_CRS", crs));
|
|
|
|
aml_append(scope, aml_operation_region(
|
|
MEMORY_HOTPLUG_IO_REGION, AML_SYSTEM_IO,
|
|
aml_int(io_base), io_len)
|
|
);
|
|
|
|
field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_DWORD_ACC,
|
|
AML_NOLOCK, AML_PRESERVE);
|
|
aml_append(field, /* read only */
|
|
aml_named_field(MEMORY_SLOT_ADDR_LOW, 32));
|
|
aml_append(field, /* read only */
|
|
aml_named_field(MEMORY_SLOT_ADDR_HIGH, 32));
|
|
aml_append(field, /* read only */
|
|
aml_named_field(MEMORY_SLOT_SIZE_LOW, 32));
|
|
aml_append(field, /* read only */
|
|
aml_named_field(MEMORY_SLOT_SIZE_HIGH, 32));
|
|
aml_append(field, /* read only */
|
|
aml_named_field(MEMORY_SLOT_PROXIMITY, 32));
|
|
aml_append(scope, field);
|
|
|
|
field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_BYTE_ACC,
|
|
AML_NOLOCK, AML_WRITE_AS_ZEROS);
|
|
aml_append(field, aml_reserved_field(160 /* bits, Offset(20) */));
|
|
aml_append(field, /* 1 if enabled, read only */
|
|
aml_named_field(MEMORY_SLOT_ENABLED, 1));
|
|
aml_append(field,
|
|
/*(read) 1 if has a insert event. (write) 1 to clear event */
|
|
aml_named_field(MEMORY_SLOT_INSERT_EVENT, 1));
|
|
aml_append(field,
|
|
/* (read) 1 if has a remove event. (write) 1 to clear event */
|
|
aml_named_field(MEMORY_SLOT_REMOVE_EVENT, 1));
|
|
aml_append(field,
|
|
/* initiates device eject, write only */
|
|
aml_named_field(MEMORY_SLOT_EJECT, 1));
|
|
aml_append(scope, field);
|
|
|
|
field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_DWORD_ACC,
|
|
AML_NOLOCK, AML_PRESERVE);
|
|
aml_append(field, /* DIMM selector, write only */
|
|
aml_named_field(MEMORY_SLOT_SLECTOR, 32));
|
|
aml_append(field, /* _OST event code, write only */
|
|
aml_named_field(MEMORY_SLOT_OST_EVENT, 32));
|
|
aml_append(field, /* _OST status code, write only */
|
|
aml_named_field(MEMORY_SLOT_OST_STATUS, 32));
|
|
aml_append(scope, field);
|
|
aml_append(sb_scope, scope);
|
|
|
|
for (i = 0; i < nr_mem; i++) {
|
|
#define BASEPATH "\\_SB.PCI0." MEMORY_HOTPLUG_DEVICE "."
|
|
const char *s;
|
|
|
|
dev = aml_device("MP%02X", i);
|
|
aml_append(dev, aml_name_decl("_UID", aml_string("0x%02X", i)));
|
|
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C80")));
|
|
|
|
method = aml_method("_CRS", 0, AML_NOTSERIALIZED);
|
|
s = BASEPATH MEMORY_SLOT_CRS_METHOD;
|
|
aml_append(method, aml_return(aml_call1(s, aml_name("_UID"))));
|
|
aml_append(dev, method);
|
|
|
|
method = aml_method("_STA", 0, AML_NOTSERIALIZED);
|
|
s = BASEPATH MEMORY_SLOT_STATUS_METHOD;
|
|
aml_append(method, aml_return(aml_call1(s, aml_name("_UID"))));
|
|
aml_append(dev, method);
|
|
|
|
method = aml_method("_PXM", 0, AML_NOTSERIALIZED);
|
|
s = BASEPATH MEMORY_SLOT_PROXIMITY_METHOD;
|
|
aml_append(method, aml_return(aml_call1(s, aml_name("_UID"))));
|
|
aml_append(dev, method);
|
|
|
|
method = aml_method("_OST", 3, AML_NOTSERIALIZED);
|
|
s = BASEPATH MEMORY_SLOT_OST_METHOD;
|
|
|
|
aml_append(method, aml_return(aml_call4(
|
|
s, aml_name("_UID"), aml_arg(0), aml_arg(1), aml_arg(2)
|
|
)));
|
|
aml_append(dev, method);
|
|
|
|
method = aml_method("_EJ0", 1, AML_NOTSERIALIZED);
|
|
s = BASEPATH MEMORY_SLOT_EJECT_METHOD;
|
|
aml_append(method, aml_return(aml_call2(
|
|
s, aml_name("_UID"), aml_arg(0))));
|
|
aml_append(dev, method);
|
|
|
|
aml_append(sb_scope, dev);
|
|
}
|
|
|
|
/* build Method(MEMORY_SLOT_NOTIFY_METHOD, 2) {
|
|
* If (LEqual(Arg0, 0x00)) {Notify(MP00, Arg1)} ... }
|
|
*/
|
|
method = aml_method(MEMORY_SLOT_NOTIFY_METHOD, 2, AML_NOTSERIALIZED);
|
|
for (i = 0; i < nr_mem; i++) {
|
|
ifctx = aml_if(aml_equal(aml_arg(0), aml_int(i)));
|
|
aml_append(ifctx,
|
|
aml_notify(aml_name("MP%.02X", i), aml_arg(1))
|
|
);
|
|
aml_append(method, ifctx);
|
|
}
|
|
aml_append(sb_scope, method);
|
|
}
|
|
|
|
static void build_hpet_aml(Aml *table)
|
|
{
|
|
Aml *crs;
|
|
Aml *field;
|
|
Aml *method;
|
|
Aml *if_ctx;
|
|
Aml *scope = aml_scope("_SB");
|
|
Aml *dev = aml_device("HPET");
|
|
Aml *zero = aml_int(0);
|
|
Aml *id = aml_local(0);
|
|
Aml *period = aml_local(1);
|
|
|
|
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0103")));
|
|
aml_append(dev, aml_name_decl("_UID", zero));
|
|
|
|
aml_append(dev,
|
|
aml_operation_region("HPTM", AML_SYSTEM_MEMORY, aml_int(HPET_BASE),
|
|
HPET_LEN));
|
|
field = aml_field("HPTM", AML_DWORD_ACC, AML_LOCK, AML_PRESERVE);
|
|
aml_append(field, aml_named_field("VEND", 32));
|
|
aml_append(field, aml_named_field("PRD", 32));
|
|
aml_append(dev, field);
|
|
|
|
method = aml_method("_STA", 0, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_store(aml_name("VEND"), id));
|
|
aml_append(method, aml_store(aml_name("PRD"), period));
|
|
aml_append(method, aml_shiftright(id, aml_int(16), id));
|
|
if_ctx = aml_if(aml_lor(aml_equal(id, zero),
|
|
aml_equal(id, aml_int(0xffff))));
|
|
{
|
|
aml_append(if_ctx, aml_return(zero));
|
|
}
|
|
aml_append(method, if_ctx);
|
|
|
|
if_ctx = aml_if(aml_lor(aml_equal(period, zero),
|
|
aml_lgreater(period, aml_int(100000000))));
|
|
{
|
|
aml_append(if_ctx, aml_return(zero));
|
|
}
|
|
aml_append(method, if_ctx);
|
|
|
|
aml_append(method, aml_return(aml_int(0x0F)));
|
|
aml_append(dev, method);
|
|
|
|
crs = aml_resource_template();
|
|
aml_append(crs, aml_memory32_fixed(HPET_BASE, HPET_LEN, AML_READ_ONLY));
|
|
aml_append(dev, aml_name_decl("_CRS", crs));
|
|
|
|
aml_append(scope, dev);
|
|
aml_append(table, scope);
|
|
}
|
|
|
|
static Aml *build_fdinfo_aml(int idx, FloppyDriveType type)
|
|
{
|
|
Aml *dev, *fdi;
|
|
uint8_t maxc, maxh, maxs;
|
|
|
|
isa_fdc_get_drive_max_chs(type, &maxc, &maxh, &maxs);
|
|
|
|
dev = aml_device("FLP%c", 'A' + idx);
|
|
|
|
aml_append(dev, aml_name_decl("_ADR", aml_int(idx)));
|
|
|
|
fdi = aml_package(16);
|
|
aml_append(fdi, aml_int(idx)); /* Drive Number */
|
|
aml_append(fdi,
|
|
aml_int(cmos_get_fd_drive_type(type))); /* Device Type */
|
|
/*
|
|
* the values below are the limits of the drive, and are thus independent
|
|
* of the inserted media
|
|
*/
|
|
aml_append(fdi, aml_int(maxc)); /* Maximum Cylinder Number */
|
|
aml_append(fdi, aml_int(maxs)); /* Maximum Sector Number */
|
|
aml_append(fdi, aml_int(maxh)); /* Maximum Head Number */
|
|
/*
|
|
* SeaBIOS returns the below values for int 0x13 func 0x08 regardless of
|
|
* the drive type, so shall we
|
|
*/
|
|
aml_append(fdi, aml_int(0xAF)); /* disk_specify_1 */
|
|
aml_append(fdi, aml_int(0x02)); /* disk_specify_2 */
|
|
aml_append(fdi, aml_int(0x25)); /* disk_motor_wait */
|
|
aml_append(fdi, aml_int(0x02)); /* disk_sector_siz */
|
|
aml_append(fdi, aml_int(0x12)); /* disk_eot */
|
|
aml_append(fdi, aml_int(0x1B)); /* disk_rw_gap */
|
|
aml_append(fdi, aml_int(0xFF)); /* disk_dtl */
|
|
aml_append(fdi, aml_int(0x6C)); /* disk_formt_gap */
|
|
aml_append(fdi, aml_int(0xF6)); /* disk_fill */
|
|
aml_append(fdi, aml_int(0x0F)); /* disk_head_sttl */
|
|
aml_append(fdi, aml_int(0x08)); /* disk_motor_strt */
|
|
|
|
aml_append(dev, aml_name_decl("_FDI", fdi));
|
|
return dev;
|
|
}
|
|
|
|
static Aml *build_fdc_device_aml(ISADevice *fdc)
|
|
{
|
|
int i;
|
|
Aml *dev;
|
|
Aml *crs;
|
|
|
|
#define ACPI_FDE_MAX_FD 4
|
|
uint32_t fde_buf[5] = {
|
|
0, 0, 0, 0, /* presence of floppy drives #0 - #3 */
|
|
cpu_to_le32(2) /* tape presence (2 == never present) */
|
|
};
|
|
|
|
dev = aml_device("FDC0");
|
|
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0700")));
|
|
|
|
crs = aml_resource_template();
|
|
aml_append(crs, aml_io(AML_DECODE16, 0x03F2, 0x03F2, 0x00, 0x04));
|
|
aml_append(crs, aml_io(AML_DECODE16, 0x03F7, 0x03F7, 0x00, 0x01));
|
|
aml_append(crs, aml_irq_no_flags(6));
|
|
aml_append(crs,
|
|
aml_dma(AML_COMPATIBILITY, AML_NOTBUSMASTER, AML_TRANSFER8, 2));
|
|
aml_append(dev, aml_name_decl("_CRS", crs));
|
|
|
|
for (i = 0; i < MIN(MAX_FD, ACPI_FDE_MAX_FD); i++) {
|
|
FloppyDriveType type = isa_fdc_get_drive_type(fdc, i);
|
|
|
|
if (type < FLOPPY_DRIVE_TYPE_NONE) {
|
|
fde_buf[i] = cpu_to_le32(1); /* drive present */
|
|
aml_append(dev, build_fdinfo_aml(i, type));
|
|
}
|
|
}
|
|
aml_append(dev, aml_name_decl("_FDE",
|
|
aml_buffer(sizeof(fde_buf), (uint8_t *)fde_buf)));
|
|
|
|
return dev;
|
|
}
|
|
|
|
static Aml *build_rtc_device_aml(void)
|
|
{
|
|
Aml *dev;
|
|
Aml *crs;
|
|
|
|
dev = aml_device("RTC");
|
|
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0B00")));
|
|
crs = aml_resource_template();
|
|
aml_append(crs, aml_io(AML_DECODE16, 0x0070, 0x0070, 0x10, 0x02));
|
|
aml_append(crs, aml_irq_no_flags(8));
|
|
aml_append(crs, aml_io(AML_DECODE16, 0x0072, 0x0072, 0x02, 0x06));
|
|
aml_append(dev, aml_name_decl("_CRS", crs));
|
|
|
|
return dev;
|
|
}
|
|
|
|
static Aml *build_kbd_device_aml(void)
|
|
{
|
|
Aml *dev;
|
|
Aml *crs;
|
|
Aml *method;
|
|
|
|
dev = aml_device("KBD");
|
|
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0303")));
|
|
|
|
method = aml_method("_STA", 0, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_return(aml_int(0x0f)));
|
|
aml_append(dev, method);
|
|
|
|
crs = aml_resource_template();
|
|
aml_append(crs, aml_io(AML_DECODE16, 0x0060, 0x0060, 0x01, 0x01));
|
|
aml_append(crs, aml_io(AML_DECODE16, 0x0064, 0x0064, 0x01, 0x01));
|
|
aml_append(crs, aml_irq_no_flags(1));
|
|
aml_append(dev, aml_name_decl("_CRS", crs));
|
|
|
|
return dev;
|
|
}
|
|
|
|
static Aml *build_mouse_device_aml(void)
|
|
{
|
|
Aml *dev;
|
|
Aml *crs;
|
|
Aml *method;
|
|
|
|
dev = aml_device("MOU");
|
|
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0F13")));
|
|
|
|
method = aml_method("_STA", 0, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_return(aml_int(0x0f)));
|
|
aml_append(dev, method);
|
|
|
|
crs = aml_resource_template();
|
|
aml_append(crs, aml_irq_no_flags(12));
|
|
aml_append(dev, aml_name_decl("_CRS", crs));
|
|
|
|
return dev;
|
|
}
|
|
|
|
static Aml *build_lpt_device_aml(void)
|
|
{
|
|
Aml *dev;
|
|
Aml *crs;
|
|
Aml *method;
|
|
Aml *if_ctx;
|
|
Aml *else_ctx;
|
|
Aml *zero = aml_int(0);
|
|
Aml *is_present = aml_local(0);
|
|
|
|
dev = aml_device("LPT");
|
|
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0400")));
|
|
|
|
method = aml_method("_STA", 0, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_store(aml_name("LPEN"), is_present));
|
|
if_ctx = aml_if(aml_equal(is_present, zero));
|
|
{
|
|
aml_append(if_ctx, aml_return(aml_int(0x00)));
|
|
}
|
|
aml_append(method, if_ctx);
|
|
else_ctx = aml_else();
|
|
{
|
|
aml_append(else_ctx, aml_return(aml_int(0x0f)));
|
|
}
|
|
aml_append(method, else_ctx);
|
|
aml_append(dev, method);
|
|
|
|
crs = aml_resource_template();
|
|
aml_append(crs, aml_io(AML_DECODE16, 0x0378, 0x0378, 0x08, 0x08));
|
|
aml_append(crs, aml_irq_no_flags(7));
|
|
aml_append(dev, aml_name_decl("_CRS", crs));
|
|
|
|
return dev;
|
|
}
|
|
|
|
static Aml *build_com_device_aml(uint8_t uid)
|
|
{
|
|
Aml *dev;
|
|
Aml *crs;
|
|
Aml *method;
|
|
Aml *if_ctx;
|
|
Aml *else_ctx;
|
|
Aml *zero = aml_int(0);
|
|
Aml *is_present = aml_local(0);
|
|
const char *enabled_field = "CAEN";
|
|
uint8_t irq = 4;
|
|
uint16_t io_port = 0x03F8;
|
|
|
|
assert(uid == 1 || uid == 2);
|
|
if (uid == 2) {
|
|
enabled_field = "CBEN";
|
|
irq = 3;
|
|
io_port = 0x02F8;
|
|
}
|
|
|
|
dev = aml_device("COM%d", uid);
|
|
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0501")));
|
|
aml_append(dev, aml_name_decl("_UID", aml_int(uid)));
|
|
|
|
method = aml_method("_STA", 0, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_store(aml_name("%s", enabled_field), is_present));
|
|
if_ctx = aml_if(aml_equal(is_present, zero));
|
|
{
|
|
aml_append(if_ctx, aml_return(aml_int(0x00)));
|
|
}
|
|
aml_append(method, if_ctx);
|
|
else_ctx = aml_else();
|
|
{
|
|
aml_append(else_ctx, aml_return(aml_int(0x0f)));
|
|
}
|
|
aml_append(method, else_ctx);
|
|
aml_append(dev, method);
|
|
|
|
crs = aml_resource_template();
|
|
aml_append(crs, aml_io(AML_DECODE16, io_port, io_port, 0x00, 0x08));
|
|
aml_append(crs, aml_irq_no_flags(irq));
|
|
aml_append(dev, aml_name_decl("_CRS", crs));
|
|
|
|
return dev;
|
|
}
|
|
|
|
static void build_isa_devices_aml(Aml *table)
|
|
{
|
|
ISADevice *fdc = pc_find_fdc0();
|
|
bool ambiguous;
|
|
|
|
Aml *scope = aml_scope("_SB.PCI0.ISA");
|
|
Object *obj = object_resolve_path_type("", TYPE_ISA_BUS, &ambiguous);
|
|
|
|
aml_append(scope, build_rtc_device_aml());
|
|
aml_append(scope, build_kbd_device_aml());
|
|
aml_append(scope, build_mouse_device_aml());
|
|
if (fdc) {
|
|
aml_append(scope, build_fdc_device_aml(fdc));
|
|
}
|
|
aml_append(scope, build_lpt_device_aml());
|
|
aml_append(scope, build_com_device_aml(1));
|
|
aml_append(scope, build_com_device_aml(2));
|
|
|
|
if (ambiguous) {
|
|
error_report("Multiple ISA busses, unable to define IPMI ACPI data");
|
|
} else if (!obj) {
|
|
error_report("No ISA bus, unable to define IPMI ACPI data");
|
|
} else {
|
|
build_acpi_ipmi_devices(scope, BUS(obj));
|
|
}
|
|
|
|
aml_append(table, scope);
|
|
}
|
|
|
|
static void build_dbg_aml(Aml *table)
|
|
{
|
|
Aml *field;
|
|
Aml *method;
|
|
Aml *while_ctx;
|
|
Aml *scope = aml_scope("\\");
|
|
Aml *buf = aml_local(0);
|
|
Aml *len = aml_local(1);
|
|
Aml *idx = aml_local(2);
|
|
|
|
aml_append(scope,
|
|
aml_operation_region("DBG", AML_SYSTEM_IO, aml_int(0x0402), 0x01));
|
|
field = aml_field("DBG", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE);
|
|
aml_append(field, aml_named_field("DBGB", 8));
|
|
aml_append(scope, field);
|
|
|
|
method = aml_method("DBUG", 1, AML_NOTSERIALIZED);
|
|
|
|
aml_append(method, aml_to_hexstring(aml_arg(0), buf));
|
|
aml_append(method, aml_to_buffer(buf, buf));
|
|
aml_append(method, aml_subtract(aml_sizeof(buf), aml_int(1), len));
|
|
aml_append(method, aml_store(aml_int(0), idx));
|
|
|
|
while_ctx = aml_while(aml_lless(idx, len));
|
|
aml_append(while_ctx,
|
|
aml_store(aml_derefof(aml_index(buf, idx)), aml_name("DBGB")));
|
|
aml_append(while_ctx, aml_increment(idx));
|
|
aml_append(method, while_ctx);
|
|
|
|
aml_append(method, aml_store(aml_int(0x0A), aml_name("DBGB")));
|
|
aml_append(scope, method);
|
|
|
|
aml_append(table, scope);
|
|
}
|
|
|
|
static Aml *build_link_dev(const char *name, uint8_t uid, Aml *reg)
|
|
{
|
|
Aml *dev;
|
|
Aml *crs;
|
|
Aml *method;
|
|
uint32_t irqs[] = {5, 10, 11};
|
|
|
|
dev = aml_device("%s", name);
|
|
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C0F")));
|
|
aml_append(dev, aml_name_decl("_UID", aml_int(uid)));
|
|
|
|
crs = aml_resource_template();
|
|
aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH,
|
|
AML_SHARED, irqs, ARRAY_SIZE(irqs)));
|
|
aml_append(dev, aml_name_decl("_PRS", crs));
|
|
|
|
method = aml_method("_STA", 0, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_return(aml_call1("IQST", reg)));
|
|
aml_append(dev, method);
|
|
|
|
method = aml_method("_DIS", 0, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_or(reg, aml_int(0x80), reg));
|
|
aml_append(dev, method);
|
|
|
|
method = aml_method("_CRS", 0, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_return(aml_call1("IQCR", reg)));
|
|
aml_append(dev, method);
|
|
|
|
method = aml_method("_SRS", 1, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_create_dword_field(aml_arg(0), aml_int(5), "PRRI"));
|
|
aml_append(method, aml_store(aml_name("PRRI"), reg));
|
|
aml_append(dev, method);
|
|
|
|
return dev;
|
|
}
|
|
|
|
static Aml *build_gsi_link_dev(const char *name, uint8_t uid, uint8_t gsi)
|
|
{
|
|
Aml *dev;
|
|
Aml *crs;
|
|
Aml *method;
|
|
uint32_t irqs;
|
|
|
|
dev = aml_device("%s", name);
|
|
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C0F")));
|
|
aml_append(dev, aml_name_decl("_UID", aml_int(uid)));
|
|
|
|
crs = aml_resource_template();
|
|
irqs = gsi;
|
|
aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH,
|
|
AML_SHARED, &irqs, 1));
|
|
aml_append(dev, aml_name_decl("_PRS", crs));
|
|
|
|
aml_append(dev, aml_name_decl("_CRS", crs));
|
|
|
|
/*
|
|
* _DIS can be no-op because the interrupt cannot be disabled.
|
|
*/
|
|
method = aml_method("_DIS", 0, AML_NOTSERIALIZED);
|
|
aml_append(dev, method);
|
|
|
|
method = aml_method("_SRS", 1, AML_NOTSERIALIZED);
|
|
aml_append(dev, method);
|
|
|
|
return dev;
|
|
}
|
|
|
|
/* _CRS method - get current settings */
|
|
static Aml *build_iqcr_method(bool is_piix4)
|
|
{
|
|
Aml *if_ctx;
|
|
uint32_t irqs;
|
|
Aml *method = aml_method("IQCR", 1, AML_SERIALIZED);
|
|
Aml *crs = aml_resource_template();
|
|
|
|
irqs = 0;
|
|
aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL,
|
|
AML_ACTIVE_HIGH, AML_SHARED, &irqs, 1));
|
|
aml_append(method, aml_name_decl("PRR0", crs));
|
|
|
|
aml_append(method,
|
|
aml_create_dword_field(aml_name("PRR0"), aml_int(5), "PRRI"));
|
|
|
|
if (is_piix4) {
|
|
if_ctx = aml_if(aml_lless(aml_arg(0), aml_int(0x80)));
|
|
aml_append(if_ctx, aml_store(aml_arg(0), aml_name("PRRI")));
|
|
aml_append(method, if_ctx);
|
|
} else {
|
|
aml_append(method,
|
|
aml_store(aml_and(aml_arg(0), aml_int(0xF), NULL),
|
|
aml_name("PRRI")));
|
|
}
|
|
|
|
aml_append(method, aml_return(aml_name("PRR0")));
|
|
return method;
|
|
}
|
|
|
|
/* _STA method - get status */
|
|
static Aml *build_irq_status_method(void)
|
|
{
|
|
Aml *if_ctx;
|
|
Aml *method = aml_method("IQST", 1, AML_NOTSERIALIZED);
|
|
|
|
if_ctx = aml_if(aml_and(aml_int(0x80), aml_arg(0), NULL));
|
|
aml_append(if_ctx, aml_return(aml_int(0x09)));
|
|
aml_append(method, if_ctx);
|
|
aml_append(method, aml_return(aml_int(0x0B)));
|
|
return method;
|
|
}
|
|
|
|
static void build_piix4_pci0_int(Aml *table)
|
|
{
|
|
Aml *dev;
|
|
Aml *crs;
|
|
Aml *field;
|
|
Aml *method;
|
|
uint32_t irqs;
|
|
Aml *sb_scope = aml_scope("_SB");
|
|
Aml *pci0_scope = aml_scope("PCI0");
|
|
|
|
aml_append(pci0_scope, build_prt(true));
|
|
aml_append(sb_scope, pci0_scope);
|
|
|
|
field = aml_field("PCI0.ISA.P40C", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE);
|
|
aml_append(field, aml_named_field("PRQ0", 8));
|
|
aml_append(field, aml_named_field("PRQ1", 8));
|
|
aml_append(field, aml_named_field("PRQ2", 8));
|
|
aml_append(field, aml_named_field("PRQ3", 8));
|
|
aml_append(sb_scope, field);
|
|
|
|
aml_append(sb_scope, build_irq_status_method());
|
|
aml_append(sb_scope, build_iqcr_method(true));
|
|
|
|
aml_append(sb_scope, build_link_dev("LNKA", 0, aml_name("PRQ0")));
|
|
aml_append(sb_scope, build_link_dev("LNKB", 1, aml_name("PRQ1")));
|
|
aml_append(sb_scope, build_link_dev("LNKC", 2, aml_name("PRQ2")));
|
|
aml_append(sb_scope, build_link_dev("LNKD", 3, aml_name("PRQ3")));
|
|
|
|
dev = aml_device("LNKS");
|
|
{
|
|
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C0F")));
|
|
aml_append(dev, aml_name_decl("_UID", aml_int(4)));
|
|
|
|
crs = aml_resource_template();
|
|
irqs = 9;
|
|
aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL,
|
|
AML_ACTIVE_HIGH, AML_SHARED,
|
|
&irqs, 1));
|
|
aml_append(dev, aml_name_decl("_PRS", crs));
|
|
|
|
/* The SCI cannot be disabled and is always attached to GSI 9,
|
|
* so these are no-ops. We only need this link to override the
|
|
* polarity to active high and match the content of the MADT.
|
|
*/
|
|
method = aml_method("_STA", 0, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_return(aml_int(0x0b)));
|
|
aml_append(dev, method);
|
|
|
|
method = aml_method("_DIS", 0, AML_NOTSERIALIZED);
|
|
aml_append(dev, method);
|
|
|
|
method = aml_method("_CRS", 0, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_return(aml_name("_PRS")));
|
|
aml_append(dev, method);
|
|
|
|
method = aml_method("_SRS", 1, AML_NOTSERIALIZED);
|
|
aml_append(dev, method);
|
|
}
|
|
aml_append(sb_scope, dev);
|
|
|
|
aml_append(table, sb_scope);
|
|
}
|
|
|
|
static void append_q35_prt_entry(Aml *ctx, uint32_t nr, const char *name)
|
|
{
|
|
int i;
|
|
int head;
|
|
Aml *pkg;
|
|
char base = name[3] < 'E' ? 'A' : 'E';
|
|
char *s = g_strdup(name);
|
|
Aml *a_nr = aml_int((nr << 16) | 0xffff);
|
|
|
|
assert(strlen(s) == 4);
|
|
|
|
head = name[3] - base;
|
|
for (i = 0; i < 4; i++) {
|
|
if (head + i > 3) {
|
|
head = i * -1;
|
|
}
|
|
s[3] = base + head + i;
|
|
pkg = aml_package(4);
|
|
aml_append(pkg, a_nr);
|
|
aml_append(pkg, aml_int(i));
|
|
aml_append(pkg, aml_name("%s", s));
|
|
aml_append(pkg, aml_int(0));
|
|
aml_append(ctx, pkg);
|
|
}
|
|
g_free(s);
|
|
}
|
|
|
|
static Aml *build_q35_routing_table(const char *str)
|
|
{
|
|
int i;
|
|
Aml *pkg;
|
|
char *name = g_strdup_printf("%s ", str);
|
|
|
|
pkg = aml_package(128);
|
|
for (i = 0; i < 0x18; i++) {
|
|
name[3] = 'E' + (i & 0x3);
|
|
append_q35_prt_entry(pkg, i, name);
|
|
}
|
|
|
|
name[3] = 'E';
|
|
append_q35_prt_entry(pkg, 0x18, name);
|
|
|
|
/* INTA -> PIRQA for slot 25 - 31, see the default value of D<N>IR */
|
|
for (i = 0x0019; i < 0x1e; i++) {
|
|
name[3] = 'A';
|
|
append_q35_prt_entry(pkg, i, name);
|
|
}
|
|
|
|
/* PCIe->PCI bridge. use PIRQ[E-H] */
|
|
name[3] = 'E';
|
|
append_q35_prt_entry(pkg, 0x1e, name);
|
|
name[3] = 'A';
|
|
append_q35_prt_entry(pkg, 0x1f, name);
|
|
|
|
g_free(name);
|
|
return pkg;
|
|
}
|
|
|
|
static void build_q35_pci0_int(Aml *table)
|
|
{
|
|
Aml *field;
|
|
Aml *method;
|
|
Aml *sb_scope = aml_scope("_SB");
|
|
Aml *pci0_scope = aml_scope("PCI0");
|
|
|
|
/* Zero => PIC mode, One => APIC Mode */
|
|
aml_append(table, aml_name_decl("PICF", aml_int(0)));
|
|
method = aml_method("_PIC", 1, AML_NOTSERIALIZED);
|
|
{
|
|
aml_append(method, aml_store(aml_arg(0), aml_name("PICF")));
|
|
}
|
|
aml_append(table, method);
|
|
|
|
aml_append(pci0_scope,
|
|
aml_name_decl("PRTP", build_q35_routing_table("LNK")));
|
|
aml_append(pci0_scope,
|
|
aml_name_decl("PRTA", build_q35_routing_table("GSI")));
|
|
|
|
method = aml_method("_PRT", 0, AML_NOTSERIALIZED);
|
|
{
|
|
Aml *if_ctx;
|
|
Aml *else_ctx;
|
|
|
|
/* PCI IRQ routing table, example from ACPI 2.0a specification,
|
|
section 6.2.8.1 */
|
|
/* Note: we provide the same info as the PCI routing
|
|
table of the Bochs BIOS */
|
|
if_ctx = aml_if(aml_equal(aml_name("PICF"), aml_int(0)));
|
|
aml_append(if_ctx, aml_return(aml_name("PRTP")));
|
|
aml_append(method, if_ctx);
|
|
else_ctx = aml_else();
|
|
aml_append(else_ctx, aml_return(aml_name("PRTA")));
|
|
aml_append(method, else_ctx);
|
|
}
|
|
aml_append(pci0_scope, method);
|
|
aml_append(sb_scope, pci0_scope);
|
|
|
|
field = aml_field("PCI0.ISA.PIRQ", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE);
|
|
aml_append(field, aml_named_field("PRQA", 8));
|
|
aml_append(field, aml_named_field("PRQB", 8));
|
|
aml_append(field, aml_named_field("PRQC", 8));
|
|
aml_append(field, aml_named_field("PRQD", 8));
|
|
aml_append(field, aml_reserved_field(0x20));
|
|
aml_append(field, aml_named_field("PRQE", 8));
|
|
aml_append(field, aml_named_field("PRQF", 8));
|
|
aml_append(field, aml_named_field("PRQG", 8));
|
|
aml_append(field, aml_named_field("PRQH", 8));
|
|
aml_append(sb_scope, field);
|
|
|
|
aml_append(sb_scope, build_irq_status_method());
|
|
aml_append(sb_scope, build_iqcr_method(false));
|
|
|
|
aml_append(sb_scope, build_link_dev("LNKA", 0, aml_name("PRQA")));
|
|
aml_append(sb_scope, build_link_dev("LNKB", 1, aml_name("PRQB")));
|
|
aml_append(sb_scope, build_link_dev("LNKC", 2, aml_name("PRQC")));
|
|
aml_append(sb_scope, build_link_dev("LNKD", 3, aml_name("PRQD")));
|
|
aml_append(sb_scope, build_link_dev("LNKE", 4, aml_name("PRQE")));
|
|
aml_append(sb_scope, build_link_dev("LNKF", 5, aml_name("PRQF")));
|
|
aml_append(sb_scope, build_link_dev("LNKG", 6, aml_name("PRQG")));
|
|
aml_append(sb_scope, build_link_dev("LNKH", 7, aml_name("PRQH")));
|
|
|
|
aml_append(sb_scope, build_gsi_link_dev("GSIA", 0x10, 0x10));
|
|
aml_append(sb_scope, build_gsi_link_dev("GSIB", 0x11, 0x11));
|
|
aml_append(sb_scope, build_gsi_link_dev("GSIC", 0x12, 0x12));
|
|
aml_append(sb_scope, build_gsi_link_dev("GSID", 0x13, 0x13));
|
|
aml_append(sb_scope, build_gsi_link_dev("GSIE", 0x14, 0x14));
|
|
aml_append(sb_scope, build_gsi_link_dev("GSIF", 0x15, 0x15));
|
|
aml_append(sb_scope, build_gsi_link_dev("GSIG", 0x16, 0x16));
|
|
aml_append(sb_scope, build_gsi_link_dev("GSIH", 0x17, 0x17));
|
|
|
|
aml_append(table, sb_scope);
|
|
}
|
|
|
|
static void build_q35_isa_bridge(Aml *table)
|
|
{
|
|
Aml *dev;
|
|
Aml *scope;
|
|
Aml *field;
|
|
|
|
scope = aml_scope("_SB.PCI0");
|
|
dev = aml_device("ISA");
|
|
aml_append(dev, aml_name_decl("_ADR", aml_int(0x001F0000)));
|
|
|
|
/* ICH9 PCI to ISA irq remapping */
|
|
aml_append(dev, aml_operation_region("PIRQ", AML_PCI_CONFIG,
|
|
aml_int(0x60), 0x0C));
|
|
|
|
aml_append(dev, aml_operation_region("LPCD", AML_PCI_CONFIG,
|
|
aml_int(0x80), 0x02));
|
|
field = aml_field("LPCD", AML_ANY_ACC, AML_NOLOCK, AML_PRESERVE);
|
|
aml_append(field, aml_named_field("COMA", 3));
|
|
aml_append(field, aml_reserved_field(1));
|
|
aml_append(field, aml_named_field("COMB", 3));
|
|
aml_append(field, aml_reserved_field(1));
|
|
aml_append(field, aml_named_field("LPTD", 2));
|
|
aml_append(dev, field);
|
|
|
|
aml_append(dev, aml_operation_region("LPCE", AML_PCI_CONFIG,
|
|
aml_int(0x82), 0x02));
|
|
/* enable bits */
|
|
field = aml_field("LPCE", AML_ANY_ACC, AML_NOLOCK, AML_PRESERVE);
|
|
aml_append(field, aml_named_field("CAEN", 1));
|
|
aml_append(field, aml_named_field("CBEN", 1));
|
|
aml_append(field, aml_named_field("LPEN", 1));
|
|
aml_append(dev, field);
|
|
|
|
aml_append(scope, dev);
|
|
aml_append(table, scope);
|
|
}
|
|
|
|
static void build_piix4_pm(Aml *table)
|
|
{
|
|
Aml *dev;
|
|
Aml *scope;
|
|
|
|
scope = aml_scope("_SB.PCI0");
|
|
dev = aml_device("PX13");
|
|
aml_append(dev, aml_name_decl("_ADR", aml_int(0x00010003)));
|
|
|
|
aml_append(dev, aml_operation_region("P13C", AML_PCI_CONFIG,
|
|
aml_int(0x00), 0xff));
|
|
aml_append(scope, dev);
|
|
aml_append(table, scope);
|
|
}
|
|
|
|
static void build_piix4_isa_bridge(Aml *table)
|
|
{
|
|
Aml *dev;
|
|
Aml *scope;
|
|
Aml *field;
|
|
|
|
scope = aml_scope("_SB.PCI0");
|
|
dev = aml_device("ISA");
|
|
aml_append(dev, aml_name_decl("_ADR", aml_int(0x00010000)));
|
|
|
|
/* PIIX PCI to ISA irq remapping */
|
|
aml_append(dev, aml_operation_region("P40C", AML_PCI_CONFIG,
|
|
aml_int(0x60), 0x04));
|
|
/* enable bits */
|
|
field = aml_field("^PX13.P13C", AML_ANY_ACC, AML_NOLOCK, AML_PRESERVE);
|
|
/* Offset(0x5f),, 7, */
|
|
aml_append(field, aml_reserved_field(0x2f8));
|
|
aml_append(field, aml_reserved_field(7));
|
|
aml_append(field, aml_named_field("LPEN", 1));
|
|
/* Offset(0x67),, 3, */
|
|
aml_append(field, aml_reserved_field(0x38));
|
|
aml_append(field, aml_reserved_field(3));
|
|
aml_append(field, aml_named_field("CAEN", 1));
|
|
aml_append(field, aml_reserved_field(3));
|
|
aml_append(field, aml_named_field("CBEN", 1));
|
|
aml_append(dev, field);
|
|
|
|
aml_append(scope, dev);
|
|
aml_append(table, scope);
|
|
}
|
|
|
|
static void build_piix4_pci_hotplug(Aml *table)
|
|
{
|
|
Aml *scope;
|
|
Aml *field;
|
|
Aml *method;
|
|
|
|
scope = aml_scope("_SB.PCI0");
|
|
|
|
aml_append(scope,
|
|
aml_operation_region("PCST", AML_SYSTEM_IO, aml_int(0xae00), 0x08));
|
|
field = aml_field("PCST", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS);
|
|
aml_append(field, aml_named_field("PCIU", 32));
|
|
aml_append(field, aml_named_field("PCID", 32));
|
|
aml_append(scope, field);
|
|
|
|
aml_append(scope,
|
|
aml_operation_region("SEJ", AML_SYSTEM_IO, aml_int(0xae08), 0x04));
|
|
field = aml_field("SEJ", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS);
|
|
aml_append(field, aml_named_field("B0EJ", 32));
|
|
aml_append(scope, field);
|
|
|
|
aml_append(scope,
|
|
aml_operation_region("BNMR", AML_SYSTEM_IO, aml_int(0xae10), 0x04));
|
|
field = aml_field("BNMR", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS);
|
|
aml_append(field, aml_named_field("BNUM", 32));
|
|
aml_append(scope, field);
|
|
|
|
aml_append(scope, aml_mutex("BLCK", 0));
|
|
|
|
method = aml_method("PCEJ", 2, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_acquire(aml_name("BLCK"), 0xFFFF));
|
|
aml_append(method, aml_store(aml_arg(0), aml_name("BNUM")));
|
|
aml_append(method,
|
|
aml_store(aml_shiftleft(aml_int(1), aml_arg(1)), aml_name("B0EJ")));
|
|
aml_append(method, aml_release(aml_name("BLCK")));
|
|
aml_append(method, aml_return(aml_int(0)));
|
|
aml_append(scope, method);
|
|
|
|
aml_append(table, scope);
|
|
}
|
|
|
|
static Aml *build_q35_osc_method(void)
|
|
{
|
|
Aml *if_ctx;
|
|
Aml *if_ctx2;
|
|
Aml *else_ctx;
|
|
Aml *method;
|
|
Aml *a_cwd1 = aml_name("CDW1");
|
|
Aml *a_ctrl = aml_name("CTRL");
|
|
|
|
method = aml_method("_OSC", 4, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_create_dword_field(aml_arg(3), aml_int(0), "CDW1"));
|
|
|
|
if_ctx = aml_if(aml_equal(
|
|
aml_arg(0), aml_touuid("33DB4D5B-1FF7-401C-9657-7441C03DD766")));
|
|
aml_append(if_ctx, aml_create_dword_field(aml_arg(3), aml_int(4), "CDW2"));
|
|
aml_append(if_ctx, aml_create_dword_field(aml_arg(3), aml_int(8), "CDW3"));
|
|
|
|
aml_append(if_ctx, aml_store(aml_name("CDW2"), aml_name("SUPP")));
|
|
aml_append(if_ctx, aml_store(aml_name("CDW3"), a_ctrl));
|
|
|
|
/*
|
|
* Always allow native PME, AER (no dependencies)
|
|
* Never allow SHPC (no SHPC controller in this system)
|
|
*/
|
|
aml_append(if_ctx, aml_and(a_ctrl, aml_int(0x1D), a_ctrl));
|
|
|
|
if_ctx2 = aml_if(aml_lnot(aml_equal(aml_arg(1), aml_int(1))));
|
|
/* Unknown revision */
|
|
aml_append(if_ctx2, aml_or(a_cwd1, aml_int(0x08), a_cwd1));
|
|
aml_append(if_ctx, if_ctx2);
|
|
|
|
if_ctx2 = aml_if(aml_lnot(aml_equal(aml_name("CDW3"), a_ctrl)));
|
|
/* Capabilities bits were masked */
|
|
aml_append(if_ctx2, aml_or(a_cwd1, aml_int(0x10), a_cwd1));
|
|
aml_append(if_ctx, if_ctx2);
|
|
|
|
/* Update DWORD3 in the buffer */
|
|
aml_append(if_ctx, aml_store(a_ctrl, aml_name("CDW3")));
|
|
aml_append(method, if_ctx);
|
|
|
|
else_ctx = aml_else();
|
|
/* Unrecognized UUID */
|
|
aml_append(else_ctx, aml_or(a_cwd1, aml_int(4), a_cwd1));
|
|
aml_append(method, else_ctx);
|
|
|
|
aml_append(method, aml_return(aml_arg(3)));
|
|
return method;
|
|
}
|
|
|
|
static void
|
|
build_dsdt(GArray *table_data, BIOSLinker *linker,
|
|
AcpiPmInfo *pm, AcpiMiscInfo *misc,
|
|
Range *pci_hole, Range *pci_hole64, MachineState *machine)
|
|
{
|
|
CrsRangeEntry *entry;
|
|
Aml *dsdt, *sb_scope, *scope, *dev, *method, *field, *pkg, *crs;
|
|
GPtrArray *mem_ranges = g_ptr_array_new_with_free_func(crs_range_free);
|
|
GPtrArray *io_ranges = g_ptr_array_new_with_free_func(crs_range_free);
|
|
PCMachineState *pcms = PC_MACHINE(machine);
|
|
PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(machine);
|
|
uint32_t nr_mem = machine->ram_slots;
|
|
int root_bus_limit = 0xFF;
|
|
PCIBus *bus = NULL;
|
|
int i;
|
|
|
|
dsdt = init_aml_allocator();
|
|
|
|
/* Reserve space for header */
|
|
acpi_data_push(dsdt->buf, sizeof(AcpiTableHeader));
|
|
|
|
build_dbg_aml(dsdt);
|
|
if (misc->is_piix4) {
|
|
sb_scope = aml_scope("_SB");
|
|
dev = aml_device("PCI0");
|
|
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A03")));
|
|
aml_append(dev, aml_name_decl("_ADR", aml_int(0)));
|
|
aml_append(dev, aml_name_decl("_UID", aml_int(1)));
|
|
aml_append(sb_scope, dev);
|
|
aml_append(dsdt, sb_scope);
|
|
|
|
build_hpet_aml(dsdt);
|
|
build_piix4_pm(dsdt);
|
|
build_piix4_isa_bridge(dsdt);
|
|
build_isa_devices_aml(dsdt);
|
|
build_piix4_pci_hotplug(dsdt);
|
|
build_piix4_pci0_int(dsdt);
|
|
} else {
|
|
sb_scope = aml_scope("_SB");
|
|
aml_append(sb_scope,
|
|
aml_operation_region("PCST", AML_SYSTEM_IO, aml_int(0xae00), 0x0c));
|
|
aml_append(sb_scope,
|
|
aml_operation_region("PCSB", AML_SYSTEM_IO, aml_int(0xae0c), 0x01));
|
|
field = aml_field("PCSB", AML_ANY_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS);
|
|
aml_append(field, aml_named_field("PCIB", 8));
|
|
aml_append(sb_scope, field);
|
|
aml_append(dsdt, sb_scope);
|
|
|
|
sb_scope = aml_scope("_SB");
|
|
dev = aml_device("PCI0");
|
|
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A08")));
|
|
aml_append(dev, aml_name_decl("_CID", aml_eisaid("PNP0A03")));
|
|
aml_append(dev, aml_name_decl("_ADR", aml_int(0)));
|
|
aml_append(dev, aml_name_decl("_UID", aml_int(1)));
|
|
aml_append(dev, aml_name_decl("SUPP", aml_int(0)));
|
|
aml_append(dev, aml_name_decl("CTRL", aml_int(0)));
|
|
aml_append(dev, build_q35_osc_method());
|
|
aml_append(sb_scope, dev);
|
|
aml_append(dsdt, sb_scope);
|
|
|
|
build_hpet_aml(dsdt);
|
|
build_q35_isa_bridge(dsdt);
|
|
build_isa_devices_aml(dsdt);
|
|
build_q35_pci0_int(dsdt);
|
|
}
|
|
|
|
if (pcmc->legacy_cpu_hotplug) {
|
|
build_legacy_cpu_hotplug_aml(dsdt, machine, pm->cpu_hp_io_base);
|
|
} else {
|
|
CPUHotplugFeatures opts = {
|
|
.apci_1_compatible = true, .has_legacy_cphp = true
|
|
};
|
|
build_cpus_aml(dsdt, machine, opts, pm->cpu_hp_io_base,
|
|
"\\_SB.PCI0", "\\_GPE._E02");
|
|
}
|
|
build_memory_hotplug_aml(dsdt, nr_mem, pm->mem_hp_io_base,
|
|
pm->mem_hp_io_len);
|
|
|
|
scope = aml_scope("_GPE");
|
|
{
|
|
aml_append(scope, aml_name_decl("_HID", aml_string("ACPI0006")));
|
|
|
|
if (misc->is_piix4) {
|
|
method = aml_method("_E01", 0, AML_NOTSERIALIZED);
|
|
aml_append(method,
|
|
aml_acquire(aml_name("\\_SB.PCI0.BLCK"), 0xFFFF));
|
|
aml_append(method, aml_call0("\\_SB.PCI0.PCNT"));
|
|
aml_append(method, aml_release(aml_name("\\_SB.PCI0.BLCK")));
|
|
aml_append(scope, method);
|
|
}
|
|
|
|
method = aml_method("_E03", 0, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_call0(MEMORY_HOTPLUG_HANDLER_PATH));
|
|
aml_append(scope, method);
|
|
}
|
|
aml_append(dsdt, scope);
|
|
|
|
bus = PC_MACHINE(machine)->bus;
|
|
if (bus) {
|
|
QLIST_FOREACH(bus, &bus->child, sibling) {
|
|
uint8_t bus_num = pci_bus_num(bus);
|
|
uint8_t numa_node = pci_bus_numa_node(bus);
|
|
|
|
/* look only for expander root buses */
|
|
if (!pci_bus_is_root(bus)) {
|
|
continue;
|
|
}
|
|
|
|
if (bus_num < root_bus_limit) {
|
|
root_bus_limit = bus_num - 1;
|
|
}
|
|
|
|
scope = aml_scope("\\_SB");
|
|
dev = aml_device("PC%.02X", bus_num);
|
|
aml_append(dev, aml_name_decl("_UID", aml_int(bus_num)));
|
|
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A03")));
|
|
aml_append(dev, aml_name_decl("_BBN", aml_int(bus_num)));
|
|
|
|
if (numa_node != NUMA_NODE_UNASSIGNED) {
|
|
aml_append(dev, aml_name_decl("_PXM", aml_int(numa_node)));
|
|
}
|
|
|
|
aml_append(dev, build_prt(false));
|
|
crs = build_crs(PCI_HOST_BRIDGE(BUS(bus)->parent),
|
|
io_ranges, mem_ranges);
|
|
aml_append(dev, aml_name_decl("_CRS", crs));
|
|
aml_append(scope, dev);
|
|
aml_append(dsdt, scope);
|
|
}
|
|
}
|
|
|
|
scope = aml_scope("\\_SB.PCI0");
|
|
/* build PCI0._CRS */
|
|
crs = aml_resource_template();
|
|
aml_append(crs,
|
|
aml_word_bus_number(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE,
|
|
0x0000, 0x0, root_bus_limit,
|
|
0x0000, root_bus_limit + 1));
|
|
aml_append(crs, aml_io(AML_DECODE16, 0x0CF8, 0x0CF8, 0x01, 0x08));
|
|
|
|
aml_append(crs,
|
|
aml_word_io(AML_MIN_FIXED, AML_MAX_FIXED,
|
|
AML_POS_DECODE, AML_ENTIRE_RANGE,
|
|
0x0000, 0x0000, 0x0CF7, 0x0000, 0x0CF8));
|
|
|
|
crs_replace_with_free_ranges(io_ranges, 0x0D00, 0xFFFF);
|
|
for (i = 0; i < io_ranges->len; i++) {
|
|
entry = g_ptr_array_index(io_ranges, i);
|
|
aml_append(crs,
|
|
aml_word_io(AML_MIN_FIXED, AML_MAX_FIXED,
|
|
AML_POS_DECODE, AML_ENTIRE_RANGE,
|
|
0x0000, entry->base, entry->limit,
|
|
0x0000, entry->limit - entry->base + 1));
|
|
}
|
|
|
|
aml_append(crs,
|
|
aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED,
|
|
AML_CACHEABLE, AML_READ_WRITE,
|
|
0, 0x000A0000, 0x000BFFFF, 0, 0x00020000));
|
|
|
|
crs_replace_with_free_ranges(mem_ranges,
|
|
range_lob(pci_hole),
|
|
range_upb(pci_hole));
|
|
for (i = 0; i < mem_ranges->len; i++) {
|
|
entry = g_ptr_array_index(mem_ranges, i);
|
|
aml_append(crs,
|
|
aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED,
|
|
AML_NON_CACHEABLE, AML_READ_WRITE,
|
|
0, entry->base, entry->limit,
|
|
0, entry->limit - entry->base + 1));
|
|
}
|
|
|
|
if (!range_is_empty(pci_hole64)) {
|
|
aml_append(crs,
|
|
aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED,
|
|
AML_CACHEABLE, AML_READ_WRITE,
|
|
0, range_lob(pci_hole64), range_upb(pci_hole64), 0,
|
|
range_upb(pci_hole64) + 1 - range_lob(pci_hole64)));
|
|
}
|
|
|
|
if (misc->tpm_version != TPM_VERSION_UNSPEC) {
|
|
aml_append(crs, aml_memory32_fixed(TPM_TIS_ADDR_BASE,
|
|
TPM_TIS_ADDR_SIZE, AML_READ_WRITE));
|
|
}
|
|
aml_append(scope, aml_name_decl("_CRS", crs));
|
|
|
|
/* reserve GPE0 block resources */
|
|
dev = aml_device("GPE0");
|
|
aml_append(dev, aml_name_decl("_HID", aml_string("PNP0A06")));
|
|
aml_append(dev, aml_name_decl("_UID", aml_string("GPE0 resources")));
|
|
/* device present, functioning, decoding, not shown in UI */
|
|
aml_append(dev, aml_name_decl("_STA", aml_int(0xB)));
|
|
crs = aml_resource_template();
|
|
aml_append(crs,
|
|
aml_io(AML_DECODE16, pm->gpe0_blk, pm->gpe0_blk, 1, pm->gpe0_blk_len)
|
|
);
|
|
aml_append(dev, aml_name_decl("_CRS", crs));
|
|
aml_append(scope, dev);
|
|
|
|
g_ptr_array_free(io_ranges, true);
|
|
g_ptr_array_free(mem_ranges, true);
|
|
|
|
/* reserve PCIHP resources */
|
|
if (pm->pcihp_io_len) {
|
|
dev = aml_device("PHPR");
|
|
aml_append(dev, aml_name_decl("_HID", aml_string("PNP0A06")));
|
|
aml_append(dev,
|
|
aml_name_decl("_UID", aml_string("PCI Hotplug resources")));
|
|
/* device present, functioning, decoding, not shown in UI */
|
|
aml_append(dev, aml_name_decl("_STA", aml_int(0xB)));
|
|
crs = aml_resource_template();
|
|
aml_append(crs,
|
|
aml_io(AML_DECODE16, pm->pcihp_io_base, pm->pcihp_io_base, 1,
|
|
pm->pcihp_io_len)
|
|
);
|
|
aml_append(dev, aml_name_decl("_CRS", crs));
|
|
aml_append(scope, dev);
|
|
}
|
|
aml_append(dsdt, scope);
|
|
|
|
/* create S3_ / S4_ / S5_ packages if necessary */
|
|
scope = aml_scope("\\");
|
|
if (!pm->s3_disabled) {
|
|
pkg = aml_package(4);
|
|
aml_append(pkg, aml_int(1)); /* PM1a_CNT.SLP_TYP */
|
|
aml_append(pkg, aml_int(1)); /* PM1b_CNT.SLP_TYP, FIXME: not impl. */
|
|
aml_append(pkg, aml_int(0)); /* reserved */
|
|
aml_append(pkg, aml_int(0)); /* reserved */
|
|
aml_append(scope, aml_name_decl("_S3", pkg));
|
|
}
|
|
|
|
if (!pm->s4_disabled) {
|
|
pkg = aml_package(4);
|
|
aml_append(pkg, aml_int(pm->s4_val)); /* PM1a_CNT.SLP_TYP */
|
|
/* PM1b_CNT.SLP_TYP, FIXME: not impl. */
|
|
aml_append(pkg, aml_int(pm->s4_val));
|
|
aml_append(pkg, aml_int(0)); /* reserved */
|
|
aml_append(pkg, aml_int(0)); /* reserved */
|
|
aml_append(scope, aml_name_decl("_S4", pkg));
|
|
}
|
|
|
|
pkg = aml_package(4);
|
|
aml_append(pkg, aml_int(0)); /* PM1a_CNT.SLP_TYP */
|
|
aml_append(pkg, aml_int(0)); /* PM1b_CNT.SLP_TYP not impl. */
|
|
aml_append(pkg, aml_int(0)); /* reserved */
|
|
aml_append(pkg, aml_int(0)); /* reserved */
|
|
aml_append(scope, aml_name_decl("_S5", pkg));
|
|
aml_append(dsdt, scope);
|
|
|
|
/* create fw_cfg node, unconditionally */
|
|
{
|
|
/* when using port i/o, the 8-bit data register *always* overlaps
|
|
* with half of the 16-bit control register. Hence, the total size
|
|
* of the i/o region used is FW_CFG_CTL_SIZE; when using DMA, the
|
|
* DMA control register is located at FW_CFG_DMA_IO_BASE + 4 */
|
|
uint8_t io_size = object_property_get_bool(OBJECT(pcms->fw_cfg),
|
|
"dma_enabled", NULL) ?
|
|
ROUND_UP(FW_CFG_CTL_SIZE, 4) + sizeof(dma_addr_t) :
|
|
FW_CFG_CTL_SIZE;
|
|
|
|
scope = aml_scope("\\_SB.PCI0");
|
|
dev = aml_device("FWCF");
|
|
|
|
aml_append(dev, aml_name_decl("_HID", aml_string("QEMU0002")));
|
|
|
|
/* device present, functioning, decoding, not shown in UI */
|
|
aml_append(dev, aml_name_decl("_STA", aml_int(0xB)));
|
|
|
|
crs = aml_resource_template();
|
|
aml_append(crs,
|
|
aml_io(AML_DECODE16, FW_CFG_IO_BASE, FW_CFG_IO_BASE, 0x01, io_size)
|
|
);
|
|
aml_append(dev, aml_name_decl("_CRS", crs));
|
|
|
|
aml_append(scope, dev);
|
|
aml_append(dsdt, scope);
|
|
}
|
|
|
|
if (misc->applesmc_io_base) {
|
|
scope = aml_scope("\\_SB.PCI0.ISA");
|
|
dev = aml_device("SMC");
|
|
|
|
aml_append(dev, aml_name_decl("_HID", aml_eisaid("APP0001")));
|
|
/* device present, functioning, decoding, not shown in UI */
|
|
aml_append(dev, aml_name_decl("_STA", aml_int(0xB)));
|
|
|
|
crs = aml_resource_template();
|
|
aml_append(crs,
|
|
aml_io(AML_DECODE16, misc->applesmc_io_base, misc->applesmc_io_base,
|
|
0x01, APPLESMC_MAX_DATA_LENGTH)
|
|
);
|
|
aml_append(crs, aml_irq_no_flags(6));
|
|
aml_append(dev, aml_name_decl("_CRS", crs));
|
|
|
|
aml_append(scope, dev);
|
|
aml_append(dsdt, scope);
|
|
}
|
|
|
|
if (misc->pvpanic_port) {
|
|
scope = aml_scope("\\_SB.PCI0.ISA");
|
|
|
|
dev = aml_device("PEVT");
|
|
aml_append(dev, aml_name_decl("_HID", aml_string("QEMU0001")));
|
|
|
|
crs = aml_resource_template();
|
|
aml_append(crs,
|
|
aml_io(AML_DECODE16, misc->pvpanic_port, misc->pvpanic_port, 1, 1)
|
|
);
|
|
aml_append(dev, aml_name_decl("_CRS", crs));
|
|
|
|
aml_append(dev, aml_operation_region("PEOR", AML_SYSTEM_IO,
|
|
aml_int(misc->pvpanic_port), 1));
|
|
field = aml_field("PEOR", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE);
|
|
aml_append(field, aml_named_field("PEPT", 8));
|
|
aml_append(dev, field);
|
|
|
|
/* device present, functioning, decoding, shown in UI */
|
|
aml_append(dev, aml_name_decl("_STA", aml_int(0xF)));
|
|
|
|
method = aml_method("RDPT", 0, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_store(aml_name("PEPT"), aml_local(0)));
|
|
aml_append(method, aml_return(aml_local(0)));
|
|
aml_append(dev, method);
|
|
|
|
method = aml_method("WRPT", 1, AML_NOTSERIALIZED);
|
|
aml_append(method, aml_store(aml_arg(0), aml_name("PEPT")));
|
|
aml_append(dev, method);
|
|
|
|
aml_append(scope, dev);
|
|
aml_append(dsdt, scope);
|
|
}
|
|
|
|
sb_scope = aml_scope("\\_SB");
|
|
{
|
|
build_memory_devices(sb_scope, nr_mem, pm->mem_hp_io_base,
|
|
pm->mem_hp_io_len);
|
|
|
|
{
|
|
Object *pci_host;
|
|
PCIBus *bus = NULL;
|
|
|
|
pci_host = acpi_get_i386_pci_host();
|
|
if (pci_host) {
|
|
bus = PCI_HOST_BRIDGE(pci_host)->bus;
|
|
}
|
|
|
|
if (bus) {
|
|
Aml *scope = aml_scope("PCI0");
|
|
/* Scan all PCI buses. Generate tables to support hotplug. */
|
|
build_append_pci_bus_devices(scope, bus, pm->pcihp_bridge_en);
|
|
|
|
if (misc->tpm_version != TPM_VERSION_UNSPEC) {
|
|
dev = aml_device("ISA.TPM");
|
|
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C31")));
|
|
aml_append(dev, aml_name_decl("_STA", aml_int(0xF)));
|
|
crs = aml_resource_template();
|
|
aml_append(crs, aml_memory32_fixed(TPM_TIS_ADDR_BASE,
|
|
TPM_TIS_ADDR_SIZE, AML_READ_WRITE));
|
|
/*
|
|
FIXME: TPM_TIS_IRQ=5 conflicts with PNP0C0F irqs,
|
|
Rewrite to take IRQ from TPM device model and
|
|
fix default IRQ value there to use some unused IRQ
|
|
*/
|
|
/* aml_append(crs, aml_irq_no_flags(TPM_TIS_IRQ)); */
|
|
aml_append(dev, aml_name_decl("_CRS", crs));
|
|
aml_append(scope, dev);
|
|
}
|
|
|
|
aml_append(sb_scope, scope);
|
|
}
|
|
}
|
|
aml_append(dsdt, sb_scope);
|
|
}
|
|
|
|
/* copy AML table into ACPI tables blob and patch header there */
|
|
g_array_append_vals(table_data, dsdt->buf->data, dsdt->buf->len);
|
|
build_header(linker, table_data,
|
|
(void *)(table_data->data + table_data->len - dsdt->buf->len),
|
|
"DSDT", dsdt->buf->len, 1, NULL, NULL);
|
|
free_aml_allocator();
|
|
}
|
|
|
|
static void
|
|
build_hpet(GArray *table_data, BIOSLinker *linker)
|
|
{
|
|
Acpi20Hpet *hpet;
|
|
|
|
hpet = acpi_data_push(table_data, sizeof(*hpet));
|
|
/* Note timer_block_id value must be kept in sync with value advertised by
|
|
* emulated hpet
|
|
*/
|
|
hpet->timer_block_id = cpu_to_le32(0x8086a201);
|
|
hpet->addr.address = cpu_to_le64(HPET_BASE);
|
|
build_header(linker, table_data,
|
|
(void *)hpet, "HPET", sizeof(*hpet), 1, NULL, NULL);
|
|
}
|
|
|
|
static void
|
|
build_tpm_tcpa(GArray *table_data, BIOSLinker *linker, GArray *tcpalog)
|
|
{
|
|
Acpi20Tcpa *tcpa = acpi_data_push(table_data, sizeof *tcpa);
|
|
unsigned log_addr_size = sizeof(tcpa->log_area_start_address);
|
|
unsigned log_addr_offset =
|
|
(char *)&tcpa->log_area_start_address - table_data->data;
|
|
|
|
tcpa->platform_class = cpu_to_le16(TPM_TCPA_ACPI_CLASS_CLIENT);
|
|
tcpa->log_area_minimum_length = cpu_to_le32(TPM_LOG_AREA_MINIMUM_SIZE);
|
|
acpi_data_push(tcpalog, le32_to_cpu(tcpa->log_area_minimum_length));
|
|
|
|
bios_linker_loader_alloc(linker, ACPI_BUILD_TPMLOG_FILE, tcpalog, 1,
|
|
false /* high memory */);
|
|
|
|
/* log area start address to be filled by Guest linker */
|
|
bios_linker_loader_add_pointer(linker,
|
|
ACPI_BUILD_TABLE_FILE, log_addr_offset, log_addr_size,
|
|
ACPI_BUILD_TPMLOG_FILE, 0);
|
|
|
|
build_header(linker, table_data,
|
|
(void *)tcpa, "TCPA", sizeof(*tcpa), 2, NULL, NULL);
|
|
}
|
|
|
|
static void
|
|
build_tpm2(GArray *table_data, BIOSLinker *linker)
|
|
{
|
|
Acpi20TPM2 *tpm2_ptr;
|
|
|
|
tpm2_ptr = acpi_data_push(table_data, sizeof *tpm2_ptr);
|
|
|
|
tpm2_ptr->platform_class = cpu_to_le16(TPM2_ACPI_CLASS_CLIENT);
|
|
tpm2_ptr->control_area_address = cpu_to_le64(0);
|
|
tpm2_ptr->start_method = cpu_to_le32(TPM2_START_METHOD_MMIO);
|
|
|
|
build_header(linker, table_data,
|
|
(void *)tpm2_ptr, "TPM2", sizeof(*tpm2_ptr), 4, NULL, NULL);
|
|
}
|
|
|
|
static void
|
|
build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine)
|
|
{
|
|
AcpiSystemResourceAffinityTable *srat;
|
|
AcpiSratProcessorAffinity *core;
|
|
AcpiSratMemoryAffinity *numamem;
|
|
|
|
int i;
|
|
int srat_start, numa_start, slots;
|
|
uint64_t mem_len, mem_base, next_base;
|
|
MachineClass *mc = MACHINE_GET_CLASS(machine);
|
|
CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(machine);
|
|
PCMachineState *pcms = PC_MACHINE(machine);
|
|
ram_addr_t hotplugabble_address_space_size =
|
|
object_property_get_int(OBJECT(pcms), PC_MACHINE_MEMHP_REGION_SIZE,
|
|
NULL);
|
|
|
|
srat_start = table_data->len;
|
|
|
|
srat = acpi_data_push(table_data, sizeof *srat);
|
|
srat->reserved1 = cpu_to_le32(1);
|
|
|
|
for (i = 0; i < apic_ids->len; i++) {
|
|
int j;
|
|
int apic_id = apic_ids->cpus[i].arch_id;
|
|
|
|
core = acpi_data_push(table_data, sizeof *core);
|
|
core->type = ACPI_SRAT_PROCESSOR_APIC;
|
|
core->length = sizeof(*core);
|
|
core->local_apic_id = apic_id;
|
|
for (j = 0; j < nb_numa_nodes; j++) {
|
|
if (test_bit(i, numa_info[j].node_cpu)) {
|
|
core->proximity_lo = j;
|
|
break;
|
|
}
|
|
}
|
|
memset(core->proximity_hi, 0, 3);
|
|
core->local_sapic_eid = 0;
|
|
core->flags = cpu_to_le32(1);
|
|
}
|
|
|
|
|
|
/* the memory map is a bit tricky, it contains at least one hole
|
|
* from 640k-1M and possibly another one from 3.5G-4G.
|
|
*/
|
|
next_base = 0;
|
|
numa_start = table_data->len;
|
|
|
|
numamem = acpi_data_push(table_data, sizeof *numamem);
|
|
build_srat_memory(numamem, 0, 640 * 1024, 0, MEM_AFFINITY_ENABLED);
|
|
next_base = 1024 * 1024;
|
|
for (i = 1; i < pcms->numa_nodes + 1; ++i) {
|
|
mem_base = next_base;
|
|
mem_len = pcms->node_mem[i - 1];
|
|
if (i == 1) {
|
|
mem_len -= 1024 * 1024;
|
|
}
|
|
next_base = mem_base + mem_len;
|
|
|
|
/* Cut out the ACPI_PCI hole */
|
|
if (mem_base <= pcms->below_4g_mem_size &&
|
|
next_base > pcms->below_4g_mem_size) {
|
|
mem_len -= next_base - pcms->below_4g_mem_size;
|
|
if (mem_len > 0) {
|
|
numamem = acpi_data_push(table_data, sizeof *numamem);
|
|
build_srat_memory(numamem, mem_base, mem_len, i - 1,
|
|
MEM_AFFINITY_ENABLED);
|
|
}
|
|
mem_base = 1ULL << 32;
|
|
mem_len = next_base - pcms->below_4g_mem_size;
|
|
next_base += (1ULL << 32) - pcms->below_4g_mem_size;
|
|
}
|
|
numamem = acpi_data_push(table_data, sizeof *numamem);
|
|
build_srat_memory(numamem, mem_base, mem_len, i - 1,
|
|
MEM_AFFINITY_ENABLED);
|
|
}
|
|
slots = (table_data->len - numa_start) / sizeof *numamem;
|
|
for (; slots < pcms->numa_nodes + 2; slots++) {
|
|
numamem = acpi_data_push(table_data, sizeof *numamem);
|
|
build_srat_memory(numamem, 0, 0, 0, MEM_AFFINITY_NOFLAGS);
|
|
}
|
|
|
|
/*
|
|
* Entry is required for Windows to enable memory hotplug in OS.
|
|
* Memory devices may override proximity set by this entry,
|
|
* providing _PXM method if necessary.
|
|
*/
|
|
if (hotplugabble_address_space_size) {
|
|
numamem = acpi_data_push(table_data, sizeof *numamem);
|
|
build_srat_memory(numamem, pcms->hotplug_memory.base,
|
|
hotplugabble_address_space_size, 0,
|
|
MEM_AFFINITY_HOTPLUGGABLE | MEM_AFFINITY_ENABLED);
|
|
}
|
|
|
|
build_header(linker, table_data,
|
|
(void *)(table_data->data + srat_start),
|
|
"SRAT",
|
|
table_data->len - srat_start, 1, NULL, NULL);
|
|
g_free(apic_ids);
|
|
}
|
|
|
|
static void
|
|
build_mcfg_q35(GArray *table_data, BIOSLinker *linker, AcpiMcfgInfo *info)
|
|
{
|
|
AcpiTableMcfg *mcfg;
|
|
const char *sig;
|
|
int len = sizeof(*mcfg) + 1 * sizeof(mcfg->allocation[0]);
|
|
|
|
mcfg = acpi_data_push(table_data, len);
|
|
mcfg->allocation[0].address = cpu_to_le64(info->mcfg_base);
|
|
/* Only a single allocation so no need to play with segments */
|
|
mcfg->allocation[0].pci_segment = cpu_to_le16(0);
|
|
mcfg->allocation[0].start_bus_number = 0;
|
|
mcfg->allocation[0].end_bus_number = PCIE_MMCFG_BUS(info->mcfg_size - 1);
|
|
|
|
/* MCFG is used for ECAM which can be enabled or disabled by guest.
|
|
* To avoid table size changes (which create migration issues),
|
|
* always create the table even if there are no allocations,
|
|
* but set the signature to a reserved value in this case.
|
|
* ACPI spec requires OSPMs to ignore such tables.
|
|
*/
|
|
if (info->mcfg_base == PCIE_BASE_ADDR_UNMAPPED) {
|
|
/* Reserved signature: ignored by OSPM */
|
|
sig = "QEMU";
|
|
} else {
|
|
sig = "MCFG";
|
|
}
|
|
build_header(linker, table_data, (void *)mcfg, sig, len, 1, NULL, NULL);
|
|
}
|
|
|
|
static void
|
|
build_dmar_q35(GArray *table_data, BIOSLinker *linker)
|
|
{
|
|
int dmar_start = table_data->len;
|
|
|
|
AcpiTableDmar *dmar;
|
|
AcpiDmarHardwareUnit *drhd;
|
|
|
|
dmar = acpi_data_push(table_data, sizeof(*dmar));
|
|
dmar->host_address_width = VTD_HOST_ADDRESS_WIDTH - 1;
|
|
dmar->flags = 0; /* No intr_remap for now */
|
|
|
|
/* DMAR Remapping Hardware Unit Definition structure */
|
|
drhd = acpi_data_push(table_data, sizeof(*drhd));
|
|
drhd->type = cpu_to_le16(ACPI_DMAR_TYPE_HARDWARE_UNIT);
|
|
drhd->length = cpu_to_le16(sizeof(*drhd)); /* No device scope now */
|
|
drhd->flags = ACPI_DMAR_INCLUDE_PCI_ALL;
|
|
drhd->pci_segment = cpu_to_le16(0);
|
|
drhd->address = cpu_to_le64(Q35_HOST_BRIDGE_IOMMU_ADDR);
|
|
|
|
build_header(linker, table_data, (void *)(table_data->data + dmar_start),
|
|
"DMAR", table_data->len - dmar_start, 1, NULL, NULL);
|
|
}
|
|
|
|
static GArray *
|
|
build_rsdp(GArray *rsdp_table, BIOSLinker *linker, unsigned rsdt_tbl_offset)
|
|
{
|
|
AcpiRsdpDescriptor *rsdp = acpi_data_push(rsdp_table, sizeof *rsdp);
|
|
unsigned rsdt_pa_size = sizeof(rsdp->rsdt_physical_address);
|
|
unsigned rsdt_pa_offset =
|
|
(char *)&rsdp->rsdt_physical_address - rsdp_table->data;
|
|
|
|
bios_linker_loader_alloc(linker, ACPI_BUILD_RSDP_FILE, rsdp_table, 16,
|
|
true /* fseg memory */);
|
|
|
|
memcpy(&rsdp->signature, "RSD PTR ", 8);
|
|
memcpy(rsdp->oem_id, ACPI_BUILD_APPNAME6, 6);
|
|
/* Address to be filled by Guest linker */
|
|
bios_linker_loader_add_pointer(linker,
|
|
ACPI_BUILD_RSDP_FILE, rsdt_pa_offset, rsdt_pa_size,
|
|
ACPI_BUILD_TABLE_FILE, rsdt_tbl_offset);
|
|
|
|
/* Checksum to be filled by Guest linker */
|
|
bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE,
|
|
(char *)rsdp - rsdp_table->data, sizeof *rsdp,
|
|
(char *)&rsdp->checksum - rsdp_table->data);
|
|
|
|
return rsdp_table;
|
|
}
|
|
|
|
typedef
|
|
struct AcpiBuildState {
|
|
/* Copy of table in RAM (for patching). */
|
|
MemoryRegion *table_mr;
|
|
/* Is table patched? */
|
|
uint8_t patched;
|
|
void *rsdp;
|
|
MemoryRegion *rsdp_mr;
|
|
MemoryRegion *linker_mr;
|
|
} AcpiBuildState;
|
|
|
|
static bool acpi_get_mcfg(AcpiMcfgInfo *mcfg)
|
|
{
|
|
Object *pci_host;
|
|
QObject *o;
|
|
|
|
pci_host = acpi_get_i386_pci_host();
|
|
g_assert(pci_host);
|
|
|
|
o = object_property_get_qobject(pci_host, PCIE_HOST_MCFG_BASE, NULL);
|
|
if (!o) {
|
|
return false;
|
|
}
|
|
mcfg->mcfg_base = qint_get_int(qobject_to_qint(o));
|
|
qobject_decref(o);
|
|
|
|
o = object_property_get_qobject(pci_host, PCIE_HOST_MCFG_SIZE, NULL);
|
|
assert(o);
|
|
mcfg->mcfg_size = qint_get_int(qobject_to_qint(o));
|
|
qobject_decref(o);
|
|
return true;
|
|
}
|
|
|
|
static bool acpi_has_iommu(void)
|
|
{
|
|
bool ambiguous;
|
|
Object *intel_iommu;
|
|
|
|
intel_iommu = object_resolve_path_type("", TYPE_INTEL_IOMMU_DEVICE,
|
|
&ambiguous);
|
|
return intel_iommu && !ambiguous;
|
|
}
|
|
|
|
static
|
|
void acpi_build(AcpiBuildTables *tables, MachineState *machine)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(machine);
|
|
PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
|
|
GArray *table_offsets;
|
|
unsigned facs, dsdt, rsdt, fadt;
|
|
AcpiPmInfo pm;
|
|
AcpiMiscInfo misc;
|
|
AcpiMcfgInfo mcfg;
|
|
Range pci_hole, pci_hole64;
|
|
uint8_t *u;
|
|
size_t aml_len = 0;
|
|
GArray *tables_blob = tables->table_data;
|
|
AcpiSlicOem slic_oem = { .id = NULL, .table_id = NULL };
|
|
|
|
acpi_get_pm_info(&pm);
|
|
acpi_get_misc_info(&misc);
|
|
acpi_get_pci_holes(&pci_hole, &pci_hole64);
|
|
acpi_get_slic_oem(&slic_oem);
|
|
|
|
table_offsets = g_array_new(false, true /* clear */,
|
|
sizeof(uint32_t));
|
|
ACPI_BUILD_DPRINTF("init ACPI tables\n");
|
|
|
|
bios_linker_loader_alloc(tables->linker,
|
|
ACPI_BUILD_TABLE_FILE, tables_blob,
|
|
64 /* Ensure FACS is aligned */,
|
|
false /* high memory */);
|
|
|
|
/*
|
|
* FACS is pointed to by FADT.
|
|
* We place it first since it's the only table that has alignment
|
|
* requirements.
|
|
*/
|
|
facs = tables_blob->len;
|
|
build_facs(tables_blob, tables->linker);
|
|
|
|
/* DSDT is pointed to by FADT */
|
|
dsdt = tables_blob->len;
|
|
build_dsdt(tables_blob, tables->linker, &pm, &misc,
|
|
&pci_hole, &pci_hole64, machine);
|
|
|
|
/* Count the size of the DSDT and SSDT, we will need it for legacy
|
|
* sizing of ACPI tables.
|
|
*/
|
|
aml_len += tables_blob->len - dsdt;
|
|
|
|
/* ACPI tables pointed to by RSDT */
|
|
fadt = tables_blob->len;
|
|
acpi_add_table(table_offsets, tables_blob);
|
|
build_fadt(tables_blob, tables->linker, &pm, facs, dsdt,
|
|
slic_oem.id, slic_oem.table_id);
|
|
aml_len += tables_blob->len - fadt;
|
|
|
|
acpi_add_table(table_offsets, tables_blob);
|
|
build_madt(tables_blob, tables->linker, pcms);
|
|
|
|
if (misc.has_hpet) {
|
|
acpi_add_table(table_offsets, tables_blob);
|
|
build_hpet(tables_blob, tables->linker);
|
|
}
|
|
if (misc.tpm_version != TPM_VERSION_UNSPEC) {
|
|
acpi_add_table(table_offsets, tables_blob);
|
|
build_tpm_tcpa(tables_blob, tables->linker, tables->tcpalog);
|
|
|
|
if (misc.tpm_version == TPM_VERSION_2_0) {
|
|
acpi_add_table(table_offsets, tables_blob);
|
|
build_tpm2(tables_blob, tables->linker);
|
|
}
|
|
}
|
|
if (pcms->numa_nodes) {
|
|
acpi_add_table(table_offsets, tables_blob);
|
|
build_srat(tables_blob, tables->linker, machine);
|
|
}
|
|
if (acpi_get_mcfg(&mcfg)) {
|
|
acpi_add_table(table_offsets, tables_blob);
|
|
build_mcfg_q35(tables_blob, tables->linker, &mcfg);
|
|
}
|
|
if (acpi_has_iommu()) {
|
|
acpi_add_table(table_offsets, tables_blob);
|
|
build_dmar_q35(tables_blob, tables->linker);
|
|
}
|
|
if (pcms->acpi_nvdimm_state.is_enabled) {
|
|
nvdimm_build_acpi(table_offsets, tables_blob, tables->linker,
|
|
pcms->acpi_nvdimm_state.dsm_mem);
|
|
}
|
|
|
|
/* Add tables supplied by user (if any) */
|
|
for (u = acpi_table_first(); u; u = acpi_table_next(u)) {
|
|
unsigned len = acpi_table_len(u);
|
|
|
|
acpi_add_table(table_offsets, tables_blob);
|
|
g_array_append_vals(tables_blob, u, len);
|
|
}
|
|
|
|
/* RSDT is pointed to by RSDP */
|
|
rsdt = tables_blob->len;
|
|
build_rsdt(tables_blob, tables->linker, table_offsets,
|
|
slic_oem.id, slic_oem.table_id);
|
|
|
|
/* RSDP is in FSEG memory, so allocate it separately */
|
|
build_rsdp(tables->rsdp, tables->linker, rsdt);
|
|
|
|
/* We'll expose it all to Guest so we want to reduce
|
|
* chance of size changes.
|
|
*
|
|
* We used to align the tables to 4k, but of course this would
|
|
* too simple to be enough. 4k turned out to be too small an
|
|
* alignment very soon, and in fact it is almost impossible to
|
|
* keep the table size stable for all (max_cpus, max_memory_slots)
|
|
* combinations. So the table size is always 64k for pc-i440fx-2.1
|
|
* and we give an error if the table grows beyond that limit.
|
|
*
|
|
* We still have the problem of migrating from "-M pc-i440fx-2.0". For
|
|
* that, we exploit the fact that QEMU 2.1 generates _smaller_ tables
|
|
* than 2.0 and we can always pad the smaller tables with zeros. We can
|
|
* then use the exact size of the 2.0 tables.
|
|
*
|
|
* All this is for PIIX4, since QEMU 2.0 didn't support Q35 migration.
|
|
*/
|
|
if (pcmc->legacy_acpi_table_size) {
|
|
/* Subtracting aml_len gives the size of fixed tables. Then add the
|
|
* size of the PIIX4 DSDT/SSDT in QEMU 2.0.
|
|
*/
|
|
int legacy_aml_len =
|
|
pcmc->legacy_acpi_table_size +
|
|
ACPI_BUILD_LEGACY_CPU_AML_SIZE * max_cpus;
|
|
int legacy_table_size =
|
|
ROUND_UP(tables_blob->len - aml_len + legacy_aml_len,
|
|
ACPI_BUILD_ALIGN_SIZE);
|
|
if (tables_blob->len > legacy_table_size) {
|
|
/* Should happen only with PCI bridges and -M pc-i440fx-2.0. */
|
|
error_report("Warning: migration may not work.");
|
|
}
|
|
g_array_set_size(tables_blob, legacy_table_size);
|
|
} else {
|
|
/* Make sure we have a buffer in case we need to resize the tables. */
|
|
if (tables_blob->len > ACPI_BUILD_TABLE_SIZE / 2) {
|
|
/* As of QEMU 2.1, this fires with 160 VCPUs and 255 memory slots. */
|
|
error_report("Warning: ACPI tables are larger than 64k.");
|
|
error_report("Warning: migration may not work.");
|
|
error_report("Warning: please remove CPUs, NUMA nodes, "
|
|
"memory slots or PCI bridges.");
|
|
}
|
|
acpi_align_size(tables_blob, ACPI_BUILD_TABLE_SIZE);
|
|
}
|
|
|
|
acpi_align_size(tables->linker->cmd_blob, ACPI_BUILD_ALIGN_SIZE);
|
|
|
|
/* Cleanup memory that's no longer used. */
|
|
g_array_free(table_offsets, true);
|
|
}
|
|
|
|
static void acpi_ram_update(MemoryRegion *mr, GArray *data)
|
|
{
|
|
uint32_t size = acpi_data_len(data);
|
|
|
|
/* Make sure RAM size is correct - in case it got changed e.g. by migration */
|
|
memory_region_ram_resize(mr, size, &error_abort);
|
|
|
|
memcpy(memory_region_get_ram_ptr(mr), data->data, size);
|
|
memory_region_set_dirty(mr, 0, size);
|
|
}
|
|
|
|
static void acpi_build_update(void *build_opaque)
|
|
{
|
|
AcpiBuildState *build_state = build_opaque;
|
|
AcpiBuildTables tables;
|
|
|
|
/* No state to update or already patched? Nothing to do. */
|
|
if (!build_state || build_state->patched) {
|
|
return;
|
|
}
|
|
build_state->patched = 1;
|
|
|
|
acpi_build_tables_init(&tables);
|
|
|
|
acpi_build(&tables, MACHINE(qdev_get_machine()));
|
|
|
|
acpi_ram_update(build_state->table_mr, tables.table_data);
|
|
|
|
if (build_state->rsdp) {
|
|
memcpy(build_state->rsdp, tables.rsdp->data, acpi_data_len(tables.rsdp));
|
|
} else {
|
|
acpi_ram_update(build_state->rsdp_mr, tables.rsdp);
|
|
}
|
|
|
|
acpi_ram_update(build_state->linker_mr, tables.linker->cmd_blob);
|
|
acpi_build_tables_cleanup(&tables, true);
|
|
}
|
|
|
|
static void acpi_build_reset(void *build_opaque)
|
|
{
|
|
AcpiBuildState *build_state = build_opaque;
|
|
build_state->patched = 0;
|
|
}
|
|
|
|
static MemoryRegion *acpi_add_rom_blob(AcpiBuildState *build_state,
|
|
GArray *blob, const char *name,
|
|
uint64_t max_size)
|
|
{
|
|
return rom_add_blob(name, blob->data, acpi_data_len(blob), max_size, -1,
|
|
name, acpi_build_update, build_state);
|
|
}
|
|
|
|
static const VMStateDescription vmstate_acpi_build = {
|
|
.name = "acpi_build",
|
|
.version_id = 1,
|
|
.minimum_version_id = 1,
|
|
.fields = (VMStateField[]) {
|
|
VMSTATE_UINT8(patched, AcpiBuildState),
|
|
VMSTATE_END_OF_LIST()
|
|
},
|
|
};
|
|
|
|
void acpi_setup(void)
|
|
{
|
|
PCMachineState *pcms = PC_MACHINE(qdev_get_machine());
|
|
PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
|
|
AcpiBuildTables tables;
|
|
AcpiBuildState *build_state;
|
|
|
|
if (!pcms->fw_cfg) {
|
|
ACPI_BUILD_DPRINTF("No fw cfg. Bailing out.\n");
|
|
return;
|
|
}
|
|
|
|
if (!pcmc->has_acpi_build) {
|
|
ACPI_BUILD_DPRINTF("ACPI build disabled. Bailing out.\n");
|
|
return;
|
|
}
|
|
|
|
if (!acpi_enabled) {
|
|
ACPI_BUILD_DPRINTF("ACPI disabled. Bailing out.\n");
|
|
return;
|
|
}
|
|
|
|
build_state = g_malloc0(sizeof *build_state);
|
|
|
|
acpi_set_pci_info();
|
|
|
|
acpi_build_tables_init(&tables);
|
|
acpi_build(&tables, MACHINE(pcms));
|
|
|
|
/* Now expose it all to Guest */
|
|
build_state->table_mr = acpi_add_rom_blob(build_state, tables.table_data,
|
|
ACPI_BUILD_TABLE_FILE,
|
|
ACPI_BUILD_TABLE_MAX_SIZE);
|
|
assert(build_state->table_mr != NULL);
|
|
|
|
build_state->linker_mr =
|
|
acpi_add_rom_blob(build_state, tables.linker->cmd_blob,
|
|
"etc/table-loader", 0);
|
|
|
|
fw_cfg_add_file(pcms->fw_cfg, ACPI_BUILD_TPMLOG_FILE,
|
|
tables.tcpalog->data, acpi_data_len(tables.tcpalog));
|
|
|
|
if (!pcmc->rsdp_in_ram) {
|
|
/*
|
|
* Keep for compatibility with old machine types.
|
|
* Though RSDP is small, its contents isn't immutable, so
|
|
* we'll update it along with the rest of tables on guest access.
|
|
*/
|
|
uint32_t rsdp_size = acpi_data_len(tables.rsdp);
|
|
|
|
build_state->rsdp = g_memdup(tables.rsdp->data, rsdp_size);
|
|
fw_cfg_add_file_callback(pcms->fw_cfg, ACPI_BUILD_RSDP_FILE,
|
|
acpi_build_update, build_state,
|
|
build_state->rsdp, rsdp_size);
|
|
build_state->rsdp_mr = NULL;
|
|
} else {
|
|
build_state->rsdp = NULL;
|
|
build_state->rsdp_mr = acpi_add_rom_blob(build_state, tables.rsdp,
|
|
ACPI_BUILD_RSDP_FILE, 0);
|
|
}
|
|
|
|
qemu_register_reset(acpi_build_reset, build_state);
|
|
acpi_build_reset(build_state);
|
|
vmstate_register(NULL, 0, &vmstate_acpi_build, build_state);
|
|
|
|
/* Cleanup tables but don't free the memory: we track it
|
|
* in build_state.
|
|
*/
|
|
acpi_build_tables_cleanup(&tables, false);
|
|
}
|