1 /* Support for generating ACPI tables and passing them to Guests
3 * Copyright (C) 2008-2010 Kevin O'Connor <kevin@koconnor.net>
4 * Copyright (C) 2006 Fabrice Bellard
5 * Copyright (C) 2013 Red Hat Inc
7 * Author: Michael S. Tsirkin <mst@redhat.com>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, see <http://www.gnu.org/licenses/>.
23 #include "qemu/osdep.h"
24 #include "qapi/error.h"
25 #include "qapi/qmp/qnum.h"
26 #include "acpi-build.h"
27 #include "qemu/bitmap.h"
28 #include "qemu/error-report.h"
29 #include "hw/pci/pci.h"
30 #include "hw/core/cpu.h"
31 #include "target/i386/cpu.h"
32 #include "hw/misc/pvpanic.h"
33 #include "hw/timer/hpet.h"
34 #include "hw/acpi/acpi-defs.h"
35 #include "hw/acpi/acpi.h"
36 #include "hw/acpi/cpu.h"
37 #include "hw/nvram/fw_cfg.h"
38 #include "hw/acpi/bios-linker-loader.h"
39 #include "hw/isa/isa.h"
40 #include "hw/block/fdc.h"
41 #include "hw/acpi/memory_hotplug.h"
42 #include "sysemu/tpm.h"
43 #include "hw/acpi/tpm.h"
44 #include "hw/acpi/vmgenid.h"
45 #include "hw/boards.h"
46 #include "sysemu/tpm_backend.h"
47 #include "hw/rtc/mc146818rtc_regs.h"
48 #include "migration/vmstate.h"
49 #include "hw/mem/memory-device.h"
50 #include "sysemu/numa.h"
51 #include "sysemu/reset.h"
53 /* Supported chipsets: */
54 #include "hw/southbridge/piix.h"
55 #include "hw/acpi/pcihp.h"
56 #include "hw/i386/ich9.h"
57 #include "hw/pci/pci_bus.h"
58 #include "hw/pci-host/q35.h"
59 #include "hw/i386/x86-iommu.h"
61 #include "hw/acpi/aml-build.h"
62 #include "hw/acpi/utils.h"
63 #include "hw/acpi/pci.h"
65 #include "qom/qom-qobject.h"
66 #include "hw/i386/amd_iommu.h"
67 #include "hw/i386/intel_iommu.h"
69 #include "hw/acpi/ipmi.h"
71 /* These are used to size the ACPI tables for -M pc-i440fx-1.7 and
72 * -M pc-i440fx-2.0. Even if the actual amount of AML generated grows
73 * a little bit, there should be plenty of free space since the DSDT
74 * shrunk by ~1.5k between QEMU 2.0 and QEMU 2.1.
76 #define ACPI_BUILD_LEGACY_CPU_AML_SIZE 97
77 #define ACPI_BUILD_ALIGN_SIZE 0x1000
79 #define ACPI_BUILD_TABLE_SIZE 0x20000
81 /* #define DEBUG_ACPI_BUILD */
82 #ifdef DEBUG_ACPI_BUILD
83 #define ACPI_BUILD_DPRINTF(fmt, ...) \
84 do {printf("ACPI_BUILD: " fmt, ## __VA_ARGS__); } while (0)
86 #define ACPI_BUILD_DPRINTF(fmt, ...)
89 /* Default IOAPIC ID */
90 #define ACPI_BUILD_IOAPIC_ID 0x0
92 typedef struct AcpiPmInfo
{
98 uint16_t cpu_hp_io_base
;
99 uint16_t pcihp_io_base
;
100 uint16_t pcihp_io_len
;
103 typedef struct AcpiMiscInfo
{
106 TPMVersion tpm_version
;
107 const unsigned char *dsdt_code
;
109 uint16_t pvpanic_port
;
110 uint16_t applesmc_io_base
;
113 typedef struct AcpiBuildPciBusHotplugState
{
114 GArray
*device_table
;
115 GArray
*notify_table
;
116 struct AcpiBuildPciBusHotplugState
*parent
;
117 bool pcihp_bridge_en
;
118 } AcpiBuildPciBusHotplugState
;
120 typedef struct FwCfgTPMConfig
{
121 uint32_t tpmppi_address
;
123 uint8_t tpmppi_version
;
124 } QEMU_PACKED FwCfgTPMConfig
;
126 static bool acpi_get_mcfg(AcpiMcfgInfo
*mcfg
);
128 static void init_common_fadt_data(MachineState
*ms
, Object
*o
,
131 uint32_t io
= object_property_get_uint(o
, ACPI_PM_PROP_PM_IO_BASE
, NULL
);
132 AmlAddressSpace as
= AML_AS_SYSTEM_IO
;
133 AcpiFadtData fadt
= {
136 (1 << ACPI_FADT_F_WBINVD
) |
137 (1 << ACPI_FADT_F_PROC_C1
) |
138 (1 << ACPI_FADT_F_SLP_BUTTON
) |
139 (1 << ACPI_FADT_F_RTC_S4
) |
140 (1 << ACPI_FADT_F_USE_PLATFORM_CLOCK
) |
141 /* APIC destination mode ("Flat Logical") has an upper limit of 8
142 * CPUs for more than 8 CPUs, "Clustered Logical" mode has to be
145 ((ms
->smp
.max_cpus
> 8) ?
146 (1 << ACPI_FADT_F_FORCE_APIC_CLUSTER_MODEL
) : 0),
147 .int_model
= 1 /* Multiple APIC */,
148 .rtc_century
= RTC_CENTURY
,
149 .plvl2_lat
= 0xfff /* C2 state not supported */,
150 .plvl3_lat
= 0xfff /* C3 state not supported */,
151 .smi_cmd
= ACPI_PORT_SMI_CMD
,
152 .sci_int
= object_property_get_uint(o
, ACPI_PM_PROP_SCI_INT
, NULL
),
154 object_property_get_uint(o
, ACPI_PM_PROP_ACPI_ENABLE_CMD
, NULL
),
156 object_property_get_uint(o
, ACPI_PM_PROP_ACPI_DISABLE_CMD
, NULL
),
157 .pm1a_evt
= { .space_id
= as
, .bit_width
= 4 * 8, .address
= io
},
158 .pm1a_cnt
= { .space_id
= as
, .bit_width
= 2 * 8,
159 .address
= io
+ 0x04 },
160 .pm_tmr
= { .space_id
= as
, .bit_width
= 4 * 8, .address
= io
+ 0x08 },
161 .gpe0_blk
= { .space_id
= as
, .bit_width
=
162 object_property_get_uint(o
, ACPI_PM_PROP_GPE0_BLK_LEN
, NULL
) * 8,
163 .address
= object_property_get_uint(o
, ACPI_PM_PROP_GPE0_BLK
, NULL
)
169 static Object
*object_resolve_type_unambiguous(const char *typename
)
172 Object
*o
= object_resolve_path_type("", typename
, &ambig
);
180 static void acpi_get_pm_info(MachineState
*machine
, AcpiPmInfo
*pm
)
182 Object
*piix
= object_resolve_type_unambiguous(TYPE_PIIX4_PM
);
183 Object
*lpc
= object_resolve_type_unambiguous(TYPE_ICH9_LPC_DEVICE
);
184 Object
*obj
= piix
? piix
: lpc
;
186 pm
->cpu_hp_io_base
= 0;
187 pm
->pcihp_io_base
= 0;
188 pm
->pcihp_io_len
= 0;
191 init_common_fadt_data(machine
, obj
, &pm
->fadt
);
193 /* w2k requires FADT(rev1) or it won't boot, keep PC compatible */
195 pm
->cpu_hp_io_base
= PIIX4_CPU_HOTPLUG_IO_BASE
;
197 object_property_get_uint(obj
, ACPI_PCIHP_IO_BASE_PROP
, NULL
);
199 object_property_get_uint(obj
, ACPI_PCIHP_IO_LEN_PROP
, NULL
);
202 struct AcpiGenericAddress r
= { .space_id
= AML_AS_SYSTEM_IO
,
203 .bit_width
= 8, .address
= ICH9_RST_CNT_IOPORT
};
204 pm
->fadt
.reset_reg
= r
;
205 pm
->fadt
.reset_val
= 0xf;
206 pm
->fadt
.flags
|= 1 << ACPI_FADT_F_RESET_REG_SUP
;
207 pm
->cpu_hp_io_base
= ICH9_CPU_HOTPLUG_IO_BASE
;
210 /* The above need not be conditional on machine type because the reset port
211 * happens to be the same on PIIX (pc) and ICH9 (q35). */
212 QEMU_BUILD_BUG_ON(ICH9_RST_CNT_IOPORT
!= PIIX_RCR_IOPORT
);
214 /* Fill in optional s3/s4 related properties */
215 o
= object_property_get_qobject(obj
, ACPI_PM_PROP_S3_DISABLED
, NULL
);
217 pm
->s3_disabled
= qnum_get_uint(qobject_to(QNum
, o
));
219 pm
->s3_disabled
= false;
222 o
= object_property_get_qobject(obj
, ACPI_PM_PROP_S4_DISABLED
, NULL
);
224 pm
->s4_disabled
= qnum_get_uint(qobject_to(QNum
, o
));
226 pm
->s4_disabled
= false;
229 o
= object_property_get_qobject(obj
, ACPI_PM_PROP_S4_VAL
, NULL
);
231 pm
->s4_val
= qnum_get_uint(qobject_to(QNum
, o
));
237 pm
->pcihp_bridge_en
=
238 object_property_get_bool(obj
, "acpi-pci-hotplug-with-bridge-support",
242 static void acpi_get_misc_info(AcpiMiscInfo
*info
)
244 Object
*piix
= object_resolve_type_unambiguous(TYPE_PIIX4_PM
);
245 Object
*lpc
= object_resolve_type_unambiguous(TYPE_ICH9_LPC_DEVICE
);
246 assert(!!piix
!= !!lpc
);
249 info
->is_piix4
= true;
252 info
->is_piix4
= false;
255 info
->has_hpet
= hpet_find();
256 info
->tpm_version
= tpm_get_version(tpm_find());
257 info
->pvpanic_port
= pvpanic_port();
258 info
->applesmc_io_base
= applesmc_port();
262 * Because of the PXB hosts we cannot simply query TYPE_PCI_HOST_BRIDGE.
263 * On i386 arch we only have two pci hosts, so we can look only for them.
265 static Object
*acpi_get_i386_pci_host(void)
269 host
= OBJECT_CHECK(PCIHostState
,
270 object_resolve_path("/machine/i440fx", NULL
),
271 TYPE_PCI_HOST_BRIDGE
);
273 host
= OBJECT_CHECK(PCIHostState
,
274 object_resolve_path("/machine/q35", NULL
),
275 TYPE_PCI_HOST_BRIDGE
);
281 static void acpi_get_pci_holes(Range
*hole
, Range
*hole64
)
285 pci_host
= acpi_get_i386_pci_host();
288 range_set_bounds1(hole
,
289 object_property_get_uint(pci_host
,
290 PCI_HOST_PROP_PCI_HOLE_START
,
292 object_property_get_uint(pci_host
,
293 PCI_HOST_PROP_PCI_HOLE_END
,
295 range_set_bounds1(hole64
,
296 object_property_get_uint(pci_host
,
297 PCI_HOST_PROP_PCI_HOLE64_START
,
299 object_property_get_uint(pci_host
,
300 PCI_HOST_PROP_PCI_HOLE64_END
,
304 static void acpi_align_size(GArray
*blob
, unsigned align
)
306 /* Align size to multiple of given size. This reduces the chance
307 * we need to change size in the future (breaking cross version migration).
309 g_array_set_size(blob
, ROUND_UP(acpi_data_len(blob
), align
));
314 build_facs(GArray
*table_data
)
316 AcpiFacsDescriptorRev1
*facs
= acpi_data_push(table_data
, sizeof *facs
);
317 memcpy(&facs
->signature
, "FACS", 4);
318 facs
->length
= cpu_to_le32(sizeof(*facs
));
321 void pc_madt_cpu_entry(AcpiDeviceIf
*adev
, int uid
,
322 const CPUArchIdList
*apic_ids
, GArray
*entry
)
324 uint32_t apic_id
= apic_ids
->cpus
[uid
].arch_id
;
326 /* ACPI spec says that LAPIC entry for non present
327 * CPU may be omitted from MADT or it must be marked
328 * as disabled. However omitting non present CPU from
329 * MADT breaks hotplug on linux. So possible CPUs
330 * should be put in MADT but kept disabled.
333 AcpiMadtProcessorApic
*apic
= acpi_data_push(entry
, sizeof *apic
);
335 apic
->type
= ACPI_APIC_PROCESSOR
;
336 apic
->length
= sizeof(*apic
);
337 apic
->processor_id
= uid
;
338 apic
->local_apic_id
= apic_id
;
339 if (apic_ids
->cpus
[uid
].cpu
!= NULL
) {
340 apic
->flags
= cpu_to_le32(1);
342 apic
->flags
= cpu_to_le32(0);
345 AcpiMadtProcessorX2Apic
*apic
= acpi_data_push(entry
, sizeof *apic
);
347 apic
->type
= ACPI_APIC_LOCAL_X2APIC
;
348 apic
->length
= sizeof(*apic
);
349 apic
->uid
= cpu_to_le32(uid
);
350 apic
->x2apic_id
= cpu_to_le32(apic_id
);
351 if (apic_ids
->cpus
[uid
].cpu
!= NULL
) {
352 apic
->flags
= cpu_to_le32(1);
354 apic
->flags
= cpu_to_le32(0);
360 build_madt(GArray
*table_data
, BIOSLinker
*linker
, PCMachineState
*pcms
)
362 MachineClass
*mc
= MACHINE_GET_CLASS(pcms
);
363 X86MachineState
*x86ms
= X86_MACHINE(pcms
);
364 const CPUArchIdList
*apic_ids
= mc
->possible_cpu_arch_ids(MACHINE(pcms
));
365 int madt_start
= table_data
->len
;
366 AcpiDeviceIfClass
*adevc
= ACPI_DEVICE_IF_GET_CLASS(pcms
->acpi_dev
);
367 AcpiDeviceIf
*adev
= ACPI_DEVICE_IF(pcms
->acpi_dev
);
368 bool x2apic_mode
= false;
370 AcpiMultipleApicTable
*madt
;
371 AcpiMadtIoApic
*io_apic
;
372 AcpiMadtIntsrcovr
*intsrcovr
;
375 madt
= acpi_data_push(table_data
, sizeof *madt
);
376 madt
->local_apic_address
= cpu_to_le32(APIC_DEFAULT_ADDRESS
);
377 madt
->flags
= cpu_to_le32(1);
379 for (i
= 0; i
< apic_ids
->len
; i
++) {
380 adevc
->madt_cpu(adev
, i
, apic_ids
, table_data
);
381 if (apic_ids
->cpus
[i
].arch_id
> 254) {
386 io_apic
= acpi_data_push(table_data
, sizeof *io_apic
);
387 io_apic
->type
= ACPI_APIC_IO
;
388 io_apic
->length
= sizeof(*io_apic
);
389 io_apic
->io_apic_id
= ACPI_BUILD_IOAPIC_ID
;
390 io_apic
->address
= cpu_to_le32(IO_APIC_DEFAULT_ADDRESS
);
391 io_apic
->interrupt
= cpu_to_le32(0);
393 if (x86ms
->apic_xrupt_override
) {
394 intsrcovr
= acpi_data_push(table_data
, sizeof *intsrcovr
);
395 intsrcovr
->type
= ACPI_APIC_XRUPT_OVERRIDE
;
396 intsrcovr
->length
= sizeof(*intsrcovr
);
397 intsrcovr
->source
= 0;
398 intsrcovr
->gsi
= cpu_to_le32(2);
399 intsrcovr
->flags
= cpu_to_le16(0); /* conforms to bus specifications */
401 for (i
= 1; i
< 16; i
++) {
402 #define ACPI_BUILD_PCI_IRQS ((1<<5) | (1<<9) | (1<<10) | (1<<11))
403 if (!(ACPI_BUILD_PCI_IRQS
& (1 << i
))) {
404 /* No need for a INT source override structure. */
407 intsrcovr
= acpi_data_push(table_data
, sizeof *intsrcovr
);
408 intsrcovr
->type
= ACPI_APIC_XRUPT_OVERRIDE
;
409 intsrcovr
->length
= sizeof(*intsrcovr
);
410 intsrcovr
->source
= i
;
411 intsrcovr
->gsi
= cpu_to_le32(i
);
412 intsrcovr
->flags
= cpu_to_le16(0xd); /* active high, level triggered */
416 AcpiMadtLocalX2ApicNmi
*local_nmi
;
418 local_nmi
= acpi_data_push(table_data
, sizeof *local_nmi
);
419 local_nmi
->type
= ACPI_APIC_LOCAL_X2APIC_NMI
;
420 local_nmi
->length
= sizeof(*local_nmi
);
421 local_nmi
->uid
= 0xFFFFFFFF; /* all processors */
422 local_nmi
->flags
= cpu_to_le16(0);
423 local_nmi
->lint
= 1; /* ACPI_LINT1 */
425 AcpiMadtLocalNmi
*local_nmi
;
427 local_nmi
= acpi_data_push(table_data
, sizeof *local_nmi
);
428 local_nmi
->type
= ACPI_APIC_LOCAL_NMI
;
429 local_nmi
->length
= sizeof(*local_nmi
);
430 local_nmi
->processor_id
= 0xff; /* all processors */
431 local_nmi
->flags
= cpu_to_le16(0);
432 local_nmi
->lint
= 1; /* ACPI_LINT1 */
435 build_header(linker
, table_data
,
436 (void *)(table_data
->data
+ madt_start
), "APIC",
437 table_data
->len
- madt_start
, 1, NULL
, NULL
);
440 static void build_append_pcihp_notify_entry(Aml
*method
, int slot
)
443 int32_t devfn
= PCI_DEVFN(slot
, 0);
445 if_ctx
= aml_if(aml_and(aml_arg(0), aml_int(0x1U
<< slot
), NULL
));
446 aml_append(if_ctx
, aml_notify(aml_name("S%.02X", devfn
), aml_arg(1)));
447 aml_append(method
, if_ctx
);
450 static void build_append_pci_bus_devices(Aml
*parent_scope
, PCIBus
*bus
,
451 bool pcihp_bridge_en
)
453 Aml
*dev
, *notify_method
= NULL
, *method
;
458 bsel
= object_property_get_qobject(OBJECT(bus
), ACPI_PCIHP_PROP_BSEL
, NULL
);
460 uint64_t bsel_val
= qnum_get_uint(qobject_to(QNum
, bsel
));
462 aml_append(parent_scope
, aml_name_decl("BSEL", aml_int(bsel_val
)));
463 notify_method
= aml_method("DVNT", 2, AML_NOTSERIALIZED
);
466 for (i
= 0; i
< ARRAY_SIZE(bus
->devices
); i
+= PCI_FUNC_MAX
) {
469 PCIDevice
*pdev
= bus
->devices
[i
];
470 int slot
= PCI_SLOT(i
);
471 bool hotplug_enabled_dev
;
475 if (bsel
) { /* add hotplug slots for non present devices */
476 dev
= aml_device("S%.02X", PCI_DEVFN(slot
, 0));
477 aml_append(dev
, aml_name_decl("_SUN", aml_int(slot
)));
478 aml_append(dev
, aml_name_decl("_ADR", aml_int(slot
<< 16)));
479 method
= aml_method("_EJ0", 1, AML_NOTSERIALIZED
);
481 aml_call2("PCEJ", aml_name("BSEL"), aml_name("_SUN"))
483 aml_append(dev
, method
);
484 aml_append(parent_scope
, dev
);
486 build_append_pcihp_notify_entry(notify_method
, slot
);
491 pc
= PCI_DEVICE_GET_CLASS(pdev
);
492 dc
= DEVICE_GET_CLASS(pdev
);
494 /* When hotplug for bridges is enabled, bridges are
495 * described in ACPI separately (see build_pci_bus_end).
496 * In this case they aren't themselves hot-pluggable.
497 * Hotplugged bridges *are* hot-pluggable.
499 bridge_in_acpi
= pc
->is_bridge
&& pcihp_bridge_en
&&
500 !DEVICE(pdev
)->hotplugged
;
502 hotplug_enabled_dev
= bsel
&& dc
->hotpluggable
&& !bridge_in_acpi
;
504 if (pc
->class_id
== PCI_CLASS_BRIDGE_ISA
) {
508 /* start to compose PCI slot descriptor */
509 dev
= aml_device("S%.02X", PCI_DEVFN(slot
, 0));
510 aml_append(dev
, aml_name_decl("_ADR", aml_int(slot
<< 16)));
512 if (pc
->class_id
== PCI_CLASS_DISPLAY_VGA
) {
513 /* add VGA specific AML methods */
516 if (object_dynamic_cast(OBJECT(pdev
), "qxl-vga")) {
522 method
= aml_method("_S1D", 0, AML_NOTSERIALIZED
);
523 aml_append(method
, aml_return(aml_int(0)));
524 aml_append(dev
, method
);
526 method
= aml_method("_S2D", 0, AML_NOTSERIALIZED
);
527 aml_append(method
, aml_return(aml_int(0)));
528 aml_append(dev
, method
);
530 method
= aml_method("_S3D", 0, AML_NOTSERIALIZED
);
531 aml_append(method
, aml_return(aml_int(s3d
)));
532 aml_append(dev
, method
);
533 } else if (hotplug_enabled_dev
) {
534 /* add _SUN/_EJ0 to make slot hotpluggable */
535 aml_append(dev
, aml_name_decl("_SUN", aml_int(slot
)));
537 method
= aml_method("_EJ0", 1, AML_NOTSERIALIZED
);
539 aml_call2("PCEJ", aml_name("BSEL"), aml_name("_SUN"))
541 aml_append(dev
, method
);
544 build_append_pcihp_notify_entry(notify_method
, slot
);
546 } else if (bridge_in_acpi
) {
548 * device is coldplugged bridge,
549 * add child device descriptions into its scope
551 PCIBus
*sec_bus
= pci_bridge_get_sec_bus(PCI_BRIDGE(pdev
));
553 build_append_pci_bus_devices(dev
, sec_bus
, pcihp_bridge_en
);
555 /* slot descriptor has been composed, add it into parent context */
556 aml_append(parent_scope
, dev
);
560 aml_append(parent_scope
, notify_method
);
563 /* Append PCNT method to notify about events on local and child buses.
564 * Add unconditionally for root since DSDT expects it.
566 method
= aml_method("PCNT", 0, AML_NOTSERIALIZED
);
568 /* If bus supports hotplug select it and notify about local events */
570 uint64_t bsel_val
= qnum_get_uint(qobject_to(QNum
, bsel
));
572 aml_append(method
, aml_store(aml_int(bsel_val
), aml_name("BNUM")));
574 aml_call2("DVNT", aml_name("PCIU"), aml_int(1) /* Device Check */)
577 aml_call2("DVNT", aml_name("PCID"), aml_int(3)/* Eject Request */)
581 /* Notify about child bus events in any case */
582 if (pcihp_bridge_en
) {
583 QLIST_FOREACH(sec
, &bus
->child
, sibling
) {
584 int32_t devfn
= sec
->parent_dev
->devfn
;
586 if (pci_bus_is_root(sec
) || pci_bus_is_express(sec
)) {
590 aml_append(method
, aml_name("^S%.02X.PCNT", devfn
));
593 aml_append(parent_scope
, method
);
599 * @link_name: link name for PCI route entry
601 * build AML package containing a PCI route entry for @link_name
603 static Aml
*build_prt_entry(const char *link_name
)
605 Aml
*a_zero
= aml_int(0);
606 Aml
*pkg
= aml_package(4);
607 aml_append(pkg
, a_zero
);
608 aml_append(pkg
, a_zero
);
609 aml_append(pkg
, aml_name("%s", link_name
));
610 aml_append(pkg
, a_zero
);
615 * initialize_route - Initialize the interrupt routing rule
616 * through a specific LINK:
617 * if (lnk_idx == idx)
618 * route using link 'link_name'
620 static Aml
*initialize_route(Aml
*route
, const char *link_name
,
621 Aml
*lnk_idx
, int idx
)
623 Aml
*if_ctx
= aml_if(aml_equal(lnk_idx
, aml_int(idx
)));
624 Aml
*pkg
= build_prt_entry(link_name
);
626 aml_append(if_ctx
, aml_store(pkg
, route
));
632 * build_prt - Define interrupt rounting rules
634 * Returns an array of 128 routes, one for each device,
635 * based on device location.
636 * The main goal is to equaly distribute the interrupts
637 * over the 4 existing ACPI links (works only for i440fx).
638 * The hash function is (slot + pin) & 3 -> "LNK[D|A|B|C]".
641 static Aml
*build_prt(bool is_pci0_prt
)
643 Aml
*method
, *while_ctx
, *pin
, *res
;
645 method
= aml_method("_PRT", 0, AML_NOTSERIALIZED
);
648 aml_append(method
, aml_store(aml_package(128), res
));
649 aml_append(method
, aml_store(aml_int(0), pin
));
651 /* while (pin < 128) */
652 while_ctx
= aml_while(aml_lless(pin
, aml_int(128)));
654 Aml
*slot
= aml_local(2);
655 Aml
*lnk_idx
= aml_local(3);
656 Aml
*route
= aml_local(4);
658 /* slot = pin >> 2 */
659 aml_append(while_ctx
,
660 aml_store(aml_shiftright(pin
, aml_int(2), NULL
), slot
));
661 /* lnk_idx = (slot + pin) & 3 */
662 aml_append(while_ctx
,
663 aml_store(aml_and(aml_add(pin
, slot
, NULL
), aml_int(3), NULL
),
666 /* route[2] = "LNK[D|A|B|C]", selection based on pin % 3 */
667 aml_append(while_ctx
, initialize_route(route
, "LNKD", lnk_idx
, 0));
669 Aml
*if_device_1
, *if_pin_4
, *else_pin_4
;
671 /* device 1 is the power-management device, needs SCI */
672 if_device_1
= aml_if(aml_equal(lnk_idx
, aml_int(1)));
674 if_pin_4
= aml_if(aml_equal(pin
, aml_int(4)));
677 aml_store(build_prt_entry("LNKS"), route
));
679 aml_append(if_device_1
, if_pin_4
);
680 else_pin_4
= aml_else();
682 aml_append(else_pin_4
,
683 aml_store(build_prt_entry("LNKA"), route
));
685 aml_append(if_device_1
, else_pin_4
);
687 aml_append(while_ctx
, if_device_1
);
689 aml_append(while_ctx
, initialize_route(route
, "LNKA", lnk_idx
, 1));
691 aml_append(while_ctx
, initialize_route(route
, "LNKB", lnk_idx
, 2));
692 aml_append(while_ctx
, initialize_route(route
, "LNKC", lnk_idx
, 3));
694 /* route[0] = 0x[slot]FFFF */
695 aml_append(while_ctx
,
696 aml_store(aml_or(aml_shiftleft(slot
, aml_int(16)), aml_int(0xFFFF),
698 aml_index(route
, aml_int(0))));
699 /* route[1] = pin & 3 */
700 aml_append(while_ctx
,
701 aml_store(aml_and(pin
, aml_int(3), NULL
),
702 aml_index(route
, aml_int(1))));
703 /* res[pin] = route */
704 aml_append(while_ctx
, aml_store(route
, aml_index(res
, pin
)));
706 aml_append(while_ctx
, aml_increment(pin
));
708 aml_append(method
, while_ctx
);
710 aml_append(method
, aml_return(res
));
715 typedef struct CrsRangeEntry
{
720 static void crs_range_insert(GPtrArray
*ranges
, uint64_t base
, uint64_t limit
)
722 CrsRangeEntry
*entry
;
724 entry
= g_malloc(sizeof(*entry
));
726 entry
->limit
= limit
;
728 g_ptr_array_add(ranges
, entry
);
731 static void crs_range_free(gpointer data
)
733 CrsRangeEntry
*entry
= (CrsRangeEntry
*)data
;
737 typedef struct CrsRangeSet
{
738 GPtrArray
*io_ranges
;
739 GPtrArray
*mem_ranges
;
740 GPtrArray
*mem_64bit_ranges
;
743 static void crs_range_set_init(CrsRangeSet
*range_set
)
745 range_set
->io_ranges
= g_ptr_array_new_with_free_func(crs_range_free
);
746 range_set
->mem_ranges
= g_ptr_array_new_with_free_func(crs_range_free
);
747 range_set
->mem_64bit_ranges
=
748 g_ptr_array_new_with_free_func(crs_range_free
);
751 static void crs_range_set_free(CrsRangeSet
*range_set
)
753 g_ptr_array_free(range_set
->io_ranges
, true);
754 g_ptr_array_free(range_set
->mem_ranges
, true);
755 g_ptr_array_free(range_set
->mem_64bit_ranges
, true);
758 static gint
crs_range_compare(gconstpointer a
, gconstpointer b
)
760 CrsRangeEntry
*entry_a
= *(CrsRangeEntry
**)a
;
761 CrsRangeEntry
*entry_b
= *(CrsRangeEntry
**)b
;
763 if (entry_a
->base
< entry_b
->base
) {
765 } else if (entry_a
->base
> entry_b
->base
) {
773 * crs_replace_with_free_ranges - given the 'used' ranges within [start - end]
774 * interval, computes the 'free' ranges from the same interval.
775 * Example: If the input array is { [a1 - a2],[b1 - b2] }, the function
776 * will return { [base - a1], [a2 - b1], [b2 - limit] }.
778 static void crs_replace_with_free_ranges(GPtrArray
*ranges
,
779 uint64_t start
, uint64_t end
)
781 GPtrArray
*free_ranges
= g_ptr_array_new();
782 uint64_t free_base
= start
;
785 g_ptr_array_sort(ranges
, crs_range_compare
);
786 for (i
= 0; i
< ranges
->len
; i
++) {
787 CrsRangeEntry
*used
= g_ptr_array_index(ranges
, i
);
789 if (free_base
< used
->base
) {
790 crs_range_insert(free_ranges
, free_base
, used
->base
- 1);
793 free_base
= used
->limit
+ 1;
796 if (free_base
< end
) {
797 crs_range_insert(free_ranges
, free_base
, end
);
800 g_ptr_array_set_size(ranges
, 0);
801 for (i
= 0; i
< free_ranges
->len
; i
++) {
802 g_ptr_array_add(ranges
, g_ptr_array_index(free_ranges
, i
));
805 g_ptr_array_free(free_ranges
, true);
809 * crs_range_merge - merges adjacent ranges in the given array.
810 * Array elements are deleted and replaced with the merged ranges.
812 static void crs_range_merge(GPtrArray
*range
)
814 GPtrArray
*tmp
= g_ptr_array_new_with_free_func(crs_range_free
);
815 CrsRangeEntry
*entry
;
816 uint64_t range_base
, range_limit
;
823 g_ptr_array_sort(range
, crs_range_compare
);
825 entry
= g_ptr_array_index(range
, 0);
826 range_base
= entry
->base
;
827 range_limit
= entry
->limit
;
828 for (i
= 1; i
< range
->len
; i
++) {
829 entry
= g_ptr_array_index(range
, i
);
830 if (entry
->base
- 1 == range_limit
) {
831 range_limit
= entry
->limit
;
833 crs_range_insert(tmp
, range_base
, range_limit
);
834 range_base
= entry
->base
;
835 range_limit
= entry
->limit
;
838 crs_range_insert(tmp
, range_base
, range_limit
);
840 g_ptr_array_set_size(range
, 0);
841 for (i
= 0; i
< tmp
->len
; i
++) {
842 entry
= g_ptr_array_index(tmp
, i
);
843 crs_range_insert(range
, entry
->base
, entry
->limit
);
845 g_ptr_array_free(tmp
, true);
848 static Aml
*build_crs(PCIHostState
*host
, CrsRangeSet
*range_set
)
850 Aml
*crs
= aml_resource_template();
851 CrsRangeSet temp_range_set
;
852 CrsRangeEntry
*entry
;
853 uint8_t max_bus
= pci_bus_num(host
->bus
);
858 crs_range_set_init(&temp_range_set
);
859 for (devfn
= 0; devfn
< ARRAY_SIZE(host
->bus
->devices
); devfn
++) {
860 uint64_t range_base
, range_limit
;
861 PCIDevice
*dev
= host
->bus
->devices
[devfn
];
867 for (i
= 0; i
< PCI_NUM_REGIONS
; i
++) {
868 PCIIORegion
*r
= &dev
->io_regions
[i
];
870 range_base
= r
->addr
;
871 range_limit
= r
->addr
+ r
->size
- 1;
874 * Work-around for old bioses
875 * that do not support multiple root buses
877 if (!range_base
|| range_base
> range_limit
) {
881 if (r
->type
& PCI_BASE_ADDRESS_SPACE_IO
) {
882 crs_range_insert(temp_range_set
.io_ranges
,
883 range_base
, range_limit
);
884 } else { /* "memory" */
885 crs_range_insert(temp_range_set
.mem_ranges
,
886 range_base
, range_limit
);
890 type
= dev
->config
[PCI_HEADER_TYPE
] & ~PCI_HEADER_TYPE_MULTI_FUNCTION
;
891 if (type
== PCI_HEADER_TYPE_BRIDGE
) {
892 uint8_t subordinate
= dev
->config
[PCI_SUBORDINATE_BUS
];
893 if (subordinate
> max_bus
) {
894 max_bus
= subordinate
;
897 range_base
= pci_bridge_get_base(dev
, PCI_BASE_ADDRESS_SPACE_IO
);
898 range_limit
= pci_bridge_get_limit(dev
, PCI_BASE_ADDRESS_SPACE_IO
);
901 * Work-around for old bioses
902 * that do not support multiple root buses
904 if (range_base
&& range_base
<= range_limit
) {
905 crs_range_insert(temp_range_set
.io_ranges
,
906 range_base
, range_limit
);
910 pci_bridge_get_base(dev
, PCI_BASE_ADDRESS_SPACE_MEMORY
);
912 pci_bridge_get_limit(dev
, PCI_BASE_ADDRESS_SPACE_MEMORY
);
915 * Work-around for old bioses
916 * that do not support multiple root buses
918 if (range_base
&& range_base
<= range_limit
) {
919 uint64_t length
= range_limit
- range_base
+ 1;
920 if (range_limit
<= UINT32_MAX
&& length
<= UINT32_MAX
) {
921 crs_range_insert(temp_range_set
.mem_ranges
,
922 range_base
, range_limit
);
924 crs_range_insert(temp_range_set
.mem_64bit_ranges
,
925 range_base
, range_limit
);
930 pci_bridge_get_base(dev
, PCI_BASE_ADDRESS_MEM_PREFETCH
);
932 pci_bridge_get_limit(dev
, PCI_BASE_ADDRESS_MEM_PREFETCH
);
935 * Work-around for old bioses
936 * that do not support multiple root buses
938 if (range_base
&& range_base
<= range_limit
) {
939 uint64_t length
= range_limit
- range_base
+ 1;
940 if (range_limit
<= UINT32_MAX
&& length
<= UINT32_MAX
) {
941 crs_range_insert(temp_range_set
.mem_ranges
,
942 range_base
, range_limit
);
944 crs_range_insert(temp_range_set
.mem_64bit_ranges
,
945 range_base
, range_limit
);
951 crs_range_merge(temp_range_set
.io_ranges
);
952 for (i
= 0; i
< temp_range_set
.io_ranges
->len
; i
++) {
953 entry
= g_ptr_array_index(temp_range_set
.io_ranges
, i
);
955 aml_word_io(AML_MIN_FIXED
, AML_MAX_FIXED
,
956 AML_POS_DECODE
, AML_ENTIRE_RANGE
,
957 0, entry
->base
, entry
->limit
, 0,
958 entry
->limit
- entry
->base
+ 1));
959 crs_range_insert(range_set
->io_ranges
, entry
->base
, entry
->limit
);
962 crs_range_merge(temp_range_set
.mem_ranges
);
963 for (i
= 0; i
< temp_range_set
.mem_ranges
->len
; i
++) {
964 entry
= g_ptr_array_index(temp_range_set
.mem_ranges
, i
);
966 aml_dword_memory(AML_POS_DECODE
, AML_MIN_FIXED
,
967 AML_MAX_FIXED
, AML_NON_CACHEABLE
,
969 0, entry
->base
, entry
->limit
, 0,
970 entry
->limit
- entry
->base
+ 1));
971 crs_range_insert(range_set
->mem_ranges
, entry
->base
, entry
->limit
);
974 crs_range_merge(temp_range_set
.mem_64bit_ranges
);
975 for (i
= 0; i
< temp_range_set
.mem_64bit_ranges
->len
; i
++) {
976 entry
= g_ptr_array_index(temp_range_set
.mem_64bit_ranges
, i
);
978 aml_qword_memory(AML_POS_DECODE
, AML_MIN_FIXED
,
979 AML_MAX_FIXED
, AML_NON_CACHEABLE
,
981 0, entry
->base
, entry
->limit
, 0,
982 entry
->limit
- entry
->base
+ 1));
983 crs_range_insert(range_set
->mem_64bit_ranges
,
984 entry
->base
, entry
->limit
);
987 crs_range_set_free(&temp_range_set
);
990 aml_word_bus_number(AML_MIN_FIXED
, AML_MAX_FIXED
, AML_POS_DECODE
,
992 pci_bus_num(host
->bus
),
995 max_bus
- pci_bus_num(host
->bus
) + 1));
1000 static void build_hpet_aml(Aml
*table
)
1006 Aml
*scope
= aml_scope("_SB");
1007 Aml
*dev
= aml_device("HPET");
1008 Aml
*zero
= aml_int(0);
1009 Aml
*id
= aml_local(0);
1010 Aml
*period
= aml_local(1);
1012 aml_append(dev
, aml_name_decl("_HID", aml_eisaid("PNP0103")));
1013 aml_append(dev
, aml_name_decl("_UID", zero
));
1016 aml_operation_region("HPTM", AML_SYSTEM_MEMORY
, aml_int(HPET_BASE
),
1018 field
= aml_field("HPTM", AML_DWORD_ACC
, AML_LOCK
, AML_PRESERVE
);
1019 aml_append(field
, aml_named_field("VEND", 32));
1020 aml_append(field
, aml_named_field("PRD", 32));
1021 aml_append(dev
, field
);
1023 method
= aml_method("_STA", 0, AML_NOTSERIALIZED
);
1024 aml_append(method
, aml_store(aml_name("VEND"), id
));
1025 aml_append(method
, aml_store(aml_name("PRD"), period
));
1026 aml_append(method
, aml_shiftright(id
, aml_int(16), id
));
1027 if_ctx
= aml_if(aml_lor(aml_equal(id
, zero
),
1028 aml_equal(id
, aml_int(0xffff))));
1030 aml_append(if_ctx
, aml_return(zero
));
1032 aml_append(method
, if_ctx
);
1034 if_ctx
= aml_if(aml_lor(aml_equal(period
, zero
),
1035 aml_lgreater(period
, aml_int(100000000))));
1037 aml_append(if_ctx
, aml_return(zero
));
1039 aml_append(method
, if_ctx
);
1041 aml_append(method
, aml_return(aml_int(0x0F)));
1042 aml_append(dev
, method
);
1044 crs
= aml_resource_template();
1045 aml_append(crs
, aml_memory32_fixed(HPET_BASE
, HPET_LEN
, AML_READ_ONLY
));
1046 aml_append(dev
, aml_name_decl("_CRS", crs
));
1048 aml_append(scope
, dev
);
1049 aml_append(table
, scope
);
1052 static Aml
*build_fdinfo_aml(int idx
, FloppyDriveType type
)
1055 uint8_t maxc
, maxh
, maxs
;
1057 isa_fdc_get_drive_max_chs(type
, &maxc
, &maxh
, &maxs
);
1059 dev
= aml_device("FLP%c", 'A' + idx
);
1061 aml_append(dev
, aml_name_decl("_ADR", aml_int(idx
)));
1063 fdi
= aml_package(16);
1064 aml_append(fdi
, aml_int(idx
)); /* Drive Number */
1066 aml_int(cmos_get_fd_drive_type(type
))); /* Device Type */
1068 * the values below are the limits of the drive, and are thus independent
1069 * of the inserted media
1071 aml_append(fdi
, aml_int(maxc
)); /* Maximum Cylinder Number */
1072 aml_append(fdi
, aml_int(maxs
)); /* Maximum Sector Number */
1073 aml_append(fdi
, aml_int(maxh
)); /* Maximum Head Number */
1075 * SeaBIOS returns the below values for int 0x13 func 0x08 regardless of
1076 * the drive type, so shall we
1078 aml_append(fdi
, aml_int(0xAF)); /* disk_specify_1 */
1079 aml_append(fdi
, aml_int(0x02)); /* disk_specify_2 */
1080 aml_append(fdi
, aml_int(0x25)); /* disk_motor_wait */
1081 aml_append(fdi
, aml_int(0x02)); /* disk_sector_siz */
1082 aml_append(fdi
, aml_int(0x12)); /* disk_eot */
1083 aml_append(fdi
, aml_int(0x1B)); /* disk_rw_gap */
1084 aml_append(fdi
, aml_int(0xFF)); /* disk_dtl */
1085 aml_append(fdi
, aml_int(0x6C)); /* disk_formt_gap */
1086 aml_append(fdi
, aml_int(0xF6)); /* disk_fill */
1087 aml_append(fdi
, aml_int(0x0F)); /* disk_head_sttl */
1088 aml_append(fdi
, aml_int(0x08)); /* disk_motor_strt */
1090 aml_append(dev
, aml_name_decl("_FDI", fdi
));
1094 static Aml
*build_fdc_device_aml(ISADevice
*fdc
)
1100 #define ACPI_FDE_MAX_FD 4
1101 uint32_t fde_buf
[5] = {
1102 0, 0, 0, 0, /* presence of floppy drives #0 - #3 */
1103 cpu_to_le32(2) /* tape presence (2 == never present) */
1106 dev
= aml_device("FDC0");
1107 aml_append(dev
, aml_name_decl("_HID", aml_eisaid("PNP0700")));
1109 crs
= aml_resource_template();
1110 aml_append(crs
, aml_io(AML_DECODE16
, 0x03F2, 0x03F2, 0x00, 0x04));
1111 aml_append(crs
, aml_io(AML_DECODE16
, 0x03F7, 0x03F7, 0x00, 0x01));
1112 aml_append(crs
, aml_irq_no_flags(6));
1114 aml_dma(AML_COMPATIBILITY
, AML_NOTBUSMASTER
, AML_TRANSFER8
, 2));
1115 aml_append(dev
, aml_name_decl("_CRS", crs
));
1117 for (i
= 0; i
< MIN(MAX_FD
, ACPI_FDE_MAX_FD
); i
++) {
1118 FloppyDriveType type
= isa_fdc_get_drive_type(fdc
, i
);
1120 if (type
< FLOPPY_DRIVE_TYPE_NONE
) {
1121 fde_buf
[i
] = cpu_to_le32(1); /* drive present */
1122 aml_append(dev
, build_fdinfo_aml(i
, type
));
1125 aml_append(dev
, aml_name_decl("_FDE",
1126 aml_buffer(sizeof(fde_buf
), (uint8_t *)fde_buf
)));
1131 static Aml
*build_rtc_device_aml(void)
1136 dev
= aml_device("RTC");
1137 aml_append(dev
, aml_name_decl("_HID", aml_eisaid("PNP0B00")));
1138 crs
= aml_resource_template();
1139 aml_append(crs
, aml_io(AML_DECODE16
, 0x0070, 0x0070, 0x10, 0x02));
1140 aml_append(crs
, aml_irq_no_flags(8));
1141 aml_append(crs
, aml_io(AML_DECODE16
, 0x0072, 0x0072, 0x02, 0x06));
1142 aml_append(dev
, aml_name_decl("_CRS", crs
));
1147 static Aml
*build_kbd_device_aml(void)
1153 dev
= aml_device("KBD");
1154 aml_append(dev
, aml_name_decl("_HID", aml_eisaid("PNP0303")));
1156 method
= aml_method("_STA", 0, AML_NOTSERIALIZED
);
1157 aml_append(method
, aml_return(aml_int(0x0f)));
1158 aml_append(dev
, method
);
1160 crs
= aml_resource_template();
1161 aml_append(crs
, aml_io(AML_DECODE16
, 0x0060, 0x0060, 0x01, 0x01));
1162 aml_append(crs
, aml_io(AML_DECODE16
, 0x0064, 0x0064, 0x01, 0x01));
1163 aml_append(crs
, aml_irq_no_flags(1));
1164 aml_append(dev
, aml_name_decl("_CRS", crs
));
1169 static Aml
*build_mouse_device_aml(void)
1175 dev
= aml_device("MOU");
1176 aml_append(dev
, aml_name_decl("_HID", aml_eisaid("PNP0F13")));
1178 method
= aml_method("_STA", 0, AML_NOTSERIALIZED
);
1179 aml_append(method
, aml_return(aml_int(0x0f)));
1180 aml_append(dev
, method
);
1182 crs
= aml_resource_template();
1183 aml_append(crs
, aml_irq_no_flags(12));
1184 aml_append(dev
, aml_name_decl("_CRS", crs
));
1189 static Aml
*build_lpt_device_aml(void)
1196 Aml
*zero
= aml_int(0);
1197 Aml
*is_present
= aml_local(0);
1199 dev
= aml_device("LPT");
1200 aml_append(dev
, aml_name_decl("_HID", aml_eisaid("PNP0400")));
1202 method
= aml_method("_STA", 0, AML_NOTSERIALIZED
);
1203 aml_append(method
, aml_store(aml_name("LPEN"), is_present
));
1204 if_ctx
= aml_if(aml_equal(is_present
, zero
));
1206 aml_append(if_ctx
, aml_return(aml_int(0x00)));
1208 aml_append(method
, if_ctx
);
1209 else_ctx
= aml_else();
1211 aml_append(else_ctx
, aml_return(aml_int(0x0f)));
1213 aml_append(method
, else_ctx
);
1214 aml_append(dev
, method
);
1216 crs
= aml_resource_template();
1217 aml_append(crs
, aml_io(AML_DECODE16
, 0x0378, 0x0378, 0x08, 0x08));
1218 aml_append(crs
, aml_irq_no_flags(7));
1219 aml_append(dev
, aml_name_decl("_CRS", crs
));
1224 static Aml
*build_com_device_aml(uint8_t uid
)
1231 Aml
*zero
= aml_int(0);
1232 Aml
*is_present
= aml_local(0);
1233 const char *enabled_field
= "CAEN";
1235 uint16_t io_port
= 0x03F8;
1237 assert(uid
== 1 || uid
== 2);
1239 enabled_field
= "CBEN";
1244 dev
= aml_device("COM%d", uid
);
1245 aml_append(dev
, aml_name_decl("_HID", aml_eisaid("PNP0501")));
1246 aml_append(dev
, aml_name_decl("_UID", aml_int(uid
)));
1248 method
= aml_method("_STA", 0, AML_NOTSERIALIZED
);
1249 aml_append(method
, aml_store(aml_name("%s", enabled_field
), is_present
));
1250 if_ctx
= aml_if(aml_equal(is_present
, zero
));
1252 aml_append(if_ctx
, aml_return(aml_int(0x00)));
1254 aml_append(method
, if_ctx
);
1255 else_ctx
= aml_else();
1257 aml_append(else_ctx
, aml_return(aml_int(0x0f)));
1259 aml_append(method
, else_ctx
);
1260 aml_append(dev
, method
);
1262 crs
= aml_resource_template();
1263 aml_append(crs
, aml_io(AML_DECODE16
, io_port
, io_port
, 0x00, 0x08));
1264 aml_append(crs
, aml_irq_no_flags(irq
));
1265 aml_append(dev
, aml_name_decl("_CRS", crs
));
1270 static void build_isa_devices_aml(Aml
*table
)
1272 ISADevice
*fdc
= pc_find_fdc0();
1275 Aml
*scope
= aml_scope("_SB.PCI0.ISA");
1276 Object
*obj
= object_resolve_path_type("", TYPE_ISA_BUS
, &ambiguous
);
1278 aml_append(scope
, build_rtc_device_aml());
1279 aml_append(scope
, build_kbd_device_aml());
1280 aml_append(scope
, build_mouse_device_aml());
1282 aml_append(scope
, build_fdc_device_aml(fdc
));
1284 aml_append(scope
, build_lpt_device_aml());
1285 aml_append(scope
, build_com_device_aml(1));
1286 aml_append(scope
, build_com_device_aml(2));
1289 error_report("Multiple ISA busses, unable to define IPMI ACPI data");
1291 error_report("No ISA bus, unable to define IPMI ACPI data");
1293 build_acpi_ipmi_devices(scope
, BUS(obj
), "\\_SB.PCI0.ISA");
1296 aml_append(table
, scope
);
1299 static void build_dbg_aml(Aml
*table
)
1304 Aml
*scope
= aml_scope("\\");
1305 Aml
*buf
= aml_local(0);
1306 Aml
*len
= aml_local(1);
1307 Aml
*idx
= aml_local(2);
1310 aml_operation_region("DBG", AML_SYSTEM_IO
, aml_int(0x0402), 0x01));
1311 field
= aml_field("DBG", AML_BYTE_ACC
, AML_NOLOCK
, AML_PRESERVE
);
1312 aml_append(field
, aml_named_field("DBGB", 8));
1313 aml_append(scope
, field
);
1315 method
= aml_method("DBUG", 1, AML_NOTSERIALIZED
);
1317 aml_append(method
, aml_to_hexstring(aml_arg(0), buf
));
1318 aml_append(method
, aml_to_buffer(buf
, buf
));
1319 aml_append(method
, aml_subtract(aml_sizeof(buf
), aml_int(1), len
));
1320 aml_append(method
, aml_store(aml_int(0), idx
));
1322 while_ctx
= aml_while(aml_lless(idx
, len
));
1323 aml_append(while_ctx
,
1324 aml_store(aml_derefof(aml_index(buf
, idx
)), aml_name("DBGB")));
1325 aml_append(while_ctx
, aml_increment(idx
));
1326 aml_append(method
, while_ctx
);
1328 aml_append(method
, aml_store(aml_int(0x0A), aml_name("DBGB")));
1329 aml_append(scope
, method
);
1331 aml_append(table
, scope
);
1334 static Aml
*build_link_dev(const char *name
, uint8_t uid
, Aml
*reg
)
1339 uint32_t irqs
[] = {5, 10, 11};
1341 dev
= aml_device("%s", name
);
1342 aml_append(dev
, aml_name_decl("_HID", aml_eisaid("PNP0C0F")));
1343 aml_append(dev
, aml_name_decl("_UID", aml_int(uid
)));
1345 crs
= aml_resource_template();
1346 aml_append(crs
, aml_interrupt(AML_CONSUMER
, AML_LEVEL
, AML_ACTIVE_HIGH
,
1347 AML_SHARED
, irqs
, ARRAY_SIZE(irqs
)));
1348 aml_append(dev
, aml_name_decl("_PRS", crs
));
1350 method
= aml_method("_STA", 0, AML_NOTSERIALIZED
);
1351 aml_append(method
, aml_return(aml_call1("IQST", reg
)));
1352 aml_append(dev
, method
);
1354 method
= aml_method("_DIS", 0, AML_NOTSERIALIZED
);
1355 aml_append(method
, aml_or(reg
, aml_int(0x80), reg
));
1356 aml_append(dev
, method
);
1358 method
= aml_method("_CRS", 0, AML_NOTSERIALIZED
);
1359 aml_append(method
, aml_return(aml_call1("IQCR", reg
)));
1360 aml_append(dev
, method
);
1362 method
= aml_method("_SRS", 1, AML_NOTSERIALIZED
);
1363 aml_append(method
, aml_create_dword_field(aml_arg(0), aml_int(5), "PRRI"));
1364 aml_append(method
, aml_store(aml_name("PRRI"), reg
));
1365 aml_append(dev
, method
);
1370 static Aml
*build_gsi_link_dev(const char *name
, uint8_t uid
, uint8_t gsi
)
1377 dev
= aml_device("%s", name
);
1378 aml_append(dev
, aml_name_decl("_HID", aml_eisaid("PNP0C0F")));
1379 aml_append(dev
, aml_name_decl("_UID", aml_int(uid
)));
1381 crs
= aml_resource_template();
1383 aml_append(crs
, aml_interrupt(AML_CONSUMER
, AML_LEVEL
, AML_ACTIVE_HIGH
,
1384 AML_SHARED
, &irqs
, 1));
1385 aml_append(dev
, aml_name_decl("_PRS", crs
));
1387 aml_append(dev
, aml_name_decl("_CRS", crs
));
1390 * _DIS can be no-op because the interrupt cannot be disabled.
1392 method
= aml_method("_DIS", 0, AML_NOTSERIALIZED
);
1393 aml_append(dev
, method
);
1395 method
= aml_method("_SRS", 1, AML_NOTSERIALIZED
);
1396 aml_append(dev
, method
);
1401 /* _CRS method - get current settings */
1402 static Aml
*build_iqcr_method(bool is_piix4
)
1406 Aml
*method
= aml_method("IQCR", 1, AML_SERIALIZED
);
1407 Aml
*crs
= aml_resource_template();
1410 aml_append(crs
, aml_interrupt(AML_CONSUMER
, AML_LEVEL
,
1411 AML_ACTIVE_HIGH
, AML_SHARED
, &irqs
, 1));
1412 aml_append(method
, aml_name_decl("PRR0", crs
));
1415 aml_create_dword_field(aml_name("PRR0"), aml_int(5), "PRRI"));
1418 if_ctx
= aml_if(aml_lless(aml_arg(0), aml_int(0x80)));
1419 aml_append(if_ctx
, aml_store(aml_arg(0), aml_name("PRRI")));
1420 aml_append(method
, if_ctx
);
1423 aml_store(aml_and(aml_arg(0), aml_int(0xF), NULL
),
1427 aml_append(method
, aml_return(aml_name("PRR0")));
1431 /* _STA method - get status */
1432 static Aml
*build_irq_status_method(void)
1435 Aml
*method
= aml_method("IQST", 1, AML_NOTSERIALIZED
);
1437 if_ctx
= aml_if(aml_and(aml_int(0x80), aml_arg(0), NULL
));
1438 aml_append(if_ctx
, aml_return(aml_int(0x09)));
1439 aml_append(method
, if_ctx
);
1440 aml_append(method
, aml_return(aml_int(0x0B)));
1444 static void build_piix4_pci0_int(Aml
*table
)
1451 Aml
*sb_scope
= aml_scope("_SB");
1452 Aml
*pci0_scope
= aml_scope("PCI0");
1454 aml_append(pci0_scope
, build_prt(true));
1455 aml_append(sb_scope
, pci0_scope
);
1457 field
= aml_field("PCI0.ISA.P40C", AML_BYTE_ACC
, AML_NOLOCK
, AML_PRESERVE
);
1458 aml_append(field
, aml_named_field("PRQ0", 8));
1459 aml_append(field
, aml_named_field("PRQ1", 8));
1460 aml_append(field
, aml_named_field("PRQ2", 8));
1461 aml_append(field
, aml_named_field("PRQ3", 8));
1462 aml_append(sb_scope
, field
);
1464 aml_append(sb_scope
, build_irq_status_method());
1465 aml_append(sb_scope
, build_iqcr_method(true));
1467 aml_append(sb_scope
, build_link_dev("LNKA", 0, aml_name("PRQ0")));
1468 aml_append(sb_scope
, build_link_dev("LNKB", 1, aml_name("PRQ1")));
1469 aml_append(sb_scope
, build_link_dev("LNKC", 2, aml_name("PRQ2")));
1470 aml_append(sb_scope
, build_link_dev("LNKD", 3, aml_name("PRQ3")));
1472 dev
= aml_device("LNKS");
1474 aml_append(dev
, aml_name_decl("_HID", aml_eisaid("PNP0C0F")));
1475 aml_append(dev
, aml_name_decl("_UID", aml_int(4)));
1477 crs
= aml_resource_template();
1479 aml_append(crs
, aml_interrupt(AML_CONSUMER
, AML_LEVEL
,
1480 AML_ACTIVE_HIGH
, AML_SHARED
,
1482 aml_append(dev
, aml_name_decl("_PRS", crs
));
1484 /* The SCI cannot be disabled and is always attached to GSI 9,
1485 * so these are no-ops. We only need this link to override the
1486 * polarity to active high and match the content of the MADT.
1488 method
= aml_method("_STA", 0, AML_NOTSERIALIZED
);
1489 aml_append(method
, aml_return(aml_int(0x0b)));
1490 aml_append(dev
, method
);
1492 method
= aml_method("_DIS", 0, AML_NOTSERIALIZED
);
1493 aml_append(dev
, method
);
1495 method
= aml_method("_CRS", 0, AML_NOTSERIALIZED
);
1496 aml_append(method
, aml_return(aml_name("_PRS")));
1497 aml_append(dev
, method
);
1499 method
= aml_method("_SRS", 1, AML_NOTSERIALIZED
);
1500 aml_append(dev
, method
);
1502 aml_append(sb_scope
, dev
);
1504 aml_append(table
, sb_scope
);
1507 static void append_q35_prt_entry(Aml
*ctx
, uint32_t nr
, const char *name
)
1512 char base
= name
[3] < 'E' ? 'A' : 'E';
1513 char *s
= g_strdup(name
);
1514 Aml
*a_nr
= aml_int((nr
<< 16) | 0xffff);
1516 assert(strlen(s
) == 4);
1518 head
= name
[3] - base
;
1519 for (i
= 0; i
< 4; i
++) {
1523 s
[3] = base
+ head
+ i
;
1524 pkg
= aml_package(4);
1525 aml_append(pkg
, a_nr
);
1526 aml_append(pkg
, aml_int(i
));
1527 aml_append(pkg
, aml_name("%s", s
));
1528 aml_append(pkg
, aml_int(0));
1529 aml_append(ctx
, pkg
);
1534 static Aml
*build_q35_routing_table(const char *str
)
1538 char *name
= g_strdup_printf("%s ", str
);
1540 pkg
= aml_package(128);
1541 for (i
= 0; i
< 0x18; i
++) {
1542 name
[3] = 'E' + (i
& 0x3);
1543 append_q35_prt_entry(pkg
, i
, name
);
1547 append_q35_prt_entry(pkg
, 0x18, name
);
1549 /* INTA -> PIRQA for slot 25 - 31, see the default value of D<N>IR */
1550 for (i
= 0x0019; i
< 0x1e; i
++) {
1552 append_q35_prt_entry(pkg
, i
, name
);
1555 /* PCIe->PCI bridge. use PIRQ[E-H] */
1557 append_q35_prt_entry(pkg
, 0x1e, name
);
1559 append_q35_prt_entry(pkg
, 0x1f, name
);
1565 static void build_q35_pci0_int(Aml
*table
)
1569 Aml
*sb_scope
= aml_scope("_SB");
1570 Aml
*pci0_scope
= aml_scope("PCI0");
1572 /* Zero => PIC mode, One => APIC Mode */
1573 aml_append(table
, aml_name_decl("PICF", aml_int(0)));
1574 method
= aml_method("_PIC", 1, AML_NOTSERIALIZED
);
1576 aml_append(method
, aml_store(aml_arg(0), aml_name("PICF")));
1578 aml_append(table
, method
);
1580 aml_append(pci0_scope
,
1581 aml_name_decl("PRTP", build_q35_routing_table("LNK")));
1582 aml_append(pci0_scope
,
1583 aml_name_decl("PRTA", build_q35_routing_table("GSI")));
1585 method
= aml_method("_PRT", 0, AML_NOTSERIALIZED
);
1590 /* PCI IRQ routing table, example from ACPI 2.0a specification,
1592 /* Note: we provide the same info as the PCI routing
1593 table of the Bochs BIOS */
1594 if_ctx
= aml_if(aml_equal(aml_name("PICF"), aml_int(0)));
1595 aml_append(if_ctx
, aml_return(aml_name("PRTP")));
1596 aml_append(method
, if_ctx
);
1597 else_ctx
= aml_else();
1598 aml_append(else_ctx
, aml_return(aml_name("PRTA")));
1599 aml_append(method
, else_ctx
);
1601 aml_append(pci0_scope
, method
);
1602 aml_append(sb_scope
, pci0_scope
);
1604 field
= aml_field("PCI0.ISA.PIRQ", AML_BYTE_ACC
, AML_NOLOCK
, AML_PRESERVE
);
1605 aml_append(field
, aml_named_field("PRQA", 8));
1606 aml_append(field
, aml_named_field("PRQB", 8));
1607 aml_append(field
, aml_named_field("PRQC", 8));
1608 aml_append(field
, aml_named_field("PRQD", 8));
1609 aml_append(field
, aml_reserved_field(0x20));
1610 aml_append(field
, aml_named_field("PRQE", 8));
1611 aml_append(field
, aml_named_field("PRQF", 8));
1612 aml_append(field
, aml_named_field("PRQG", 8));
1613 aml_append(field
, aml_named_field("PRQH", 8));
1614 aml_append(sb_scope
, field
);
1616 aml_append(sb_scope
, build_irq_status_method());
1617 aml_append(sb_scope
, build_iqcr_method(false));
1619 aml_append(sb_scope
, build_link_dev("LNKA", 0, aml_name("PRQA")));
1620 aml_append(sb_scope
, build_link_dev("LNKB", 1, aml_name("PRQB")));
1621 aml_append(sb_scope
, build_link_dev("LNKC", 2, aml_name("PRQC")));
1622 aml_append(sb_scope
, build_link_dev("LNKD", 3, aml_name("PRQD")));
1623 aml_append(sb_scope
, build_link_dev("LNKE", 4, aml_name("PRQE")));
1624 aml_append(sb_scope
, build_link_dev("LNKF", 5, aml_name("PRQF")));
1625 aml_append(sb_scope
, build_link_dev("LNKG", 6, aml_name("PRQG")));
1626 aml_append(sb_scope
, build_link_dev("LNKH", 7, aml_name("PRQH")));
1628 aml_append(sb_scope
, build_gsi_link_dev("GSIA", 0x10, 0x10));
1629 aml_append(sb_scope
, build_gsi_link_dev("GSIB", 0x11, 0x11));
1630 aml_append(sb_scope
, build_gsi_link_dev("GSIC", 0x12, 0x12));
1631 aml_append(sb_scope
, build_gsi_link_dev("GSID", 0x13, 0x13));
1632 aml_append(sb_scope
, build_gsi_link_dev("GSIE", 0x14, 0x14));
1633 aml_append(sb_scope
, build_gsi_link_dev("GSIF", 0x15, 0x15));
1634 aml_append(sb_scope
, build_gsi_link_dev("GSIG", 0x16, 0x16));
1635 aml_append(sb_scope
, build_gsi_link_dev("GSIH", 0x17, 0x17));
1637 aml_append(table
, sb_scope
);
1640 static void build_q35_isa_bridge(Aml
*table
)
1646 scope
= aml_scope("_SB.PCI0");
1647 dev
= aml_device("ISA");
1648 aml_append(dev
, aml_name_decl("_ADR", aml_int(0x001F0000)));
1650 /* ICH9 PCI to ISA irq remapping */
1651 aml_append(dev
, aml_operation_region("PIRQ", AML_PCI_CONFIG
,
1652 aml_int(0x60), 0x0C));
1654 aml_append(dev
, aml_operation_region("LPCD", AML_PCI_CONFIG
,
1655 aml_int(0x80), 0x02));
1656 field
= aml_field("LPCD", AML_ANY_ACC
, AML_NOLOCK
, AML_PRESERVE
);
1657 aml_append(field
, aml_named_field("COMA", 3));
1658 aml_append(field
, aml_reserved_field(1));
1659 aml_append(field
, aml_named_field("COMB", 3));
1660 aml_append(field
, aml_reserved_field(1));
1661 aml_append(field
, aml_named_field("LPTD", 2));
1662 aml_append(dev
, field
);
1664 aml_append(dev
, aml_operation_region("LPCE", AML_PCI_CONFIG
,
1665 aml_int(0x82), 0x02));
1667 field
= aml_field("LPCE", AML_ANY_ACC
, AML_NOLOCK
, AML_PRESERVE
);
1668 aml_append(field
, aml_named_field("CAEN", 1));
1669 aml_append(field
, aml_named_field("CBEN", 1));
1670 aml_append(field
, aml_named_field("LPEN", 1));
1671 aml_append(dev
, field
);
1673 aml_append(scope
, dev
);
1674 aml_append(table
, scope
);
1677 static void build_piix4_pm(Aml
*table
)
1682 scope
= aml_scope("_SB.PCI0");
1683 dev
= aml_device("PX13");
1684 aml_append(dev
, aml_name_decl("_ADR", aml_int(0x00010003)));
1686 aml_append(dev
, aml_operation_region("P13C", AML_PCI_CONFIG
,
1687 aml_int(0x00), 0xff));
1688 aml_append(scope
, dev
);
1689 aml_append(table
, scope
);
1692 static void build_piix4_isa_bridge(Aml
*table
)
1698 scope
= aml_scope("_SB.PCI0");
1699 dev
= aml_device("ISA");
1700 aml_append(dev
, aml_name_decl("_ADR", aml_int(0x00010000)));
1702 /* PIIX PCI to ISA irq remapping */
1703 aml_append(dev
, aml_operation_region("P40C", AML_PCI_CONFIG
,
1704 aml_int(0x60), 0x04));
1706 field
= aml_field("^PX13.P13C", AML_ANY_ACC
, AML_NOLOCK
, AML_PRESERVE
);
1707 /* Offset(0x5f),, 7, */
1708 aml_append(field
, aml_reserved_field(0x2f8));
1709 aml_append(field
, aml_reserved_field(7));
1710 aml_append(field
, aml_named_field("LPEN", 1));
1711 /* Offset(0x67),, 3, */
1712 aml_append(field
, aml_reserved_field(0x38));
1713 aml_append(field
, aml_reserved_field(3));
1714 aml_append(field
, aml_named_field("CAEN", 1));
1715 aml_append(field
, aml_reserved_field(3));
1716 aml_append(field
, aml_named_field("CBEN", 1));
1717 aml_append(dev
, field
);
1719 aml_append(scope
, dev
);
1720 aml_append(table
, scope
);
1723 static void build_piix4_pci_hotplug(Aml
*table
)
1729 scope
= aml_scope("_SB.PCI0");
1732 aml_operation_region("PCST", AML_SYSTEM_IO
, aml_int(0xae00), 0x08));
1733 field
= aml_field("PCST", AML_DWORD_ACC
, AML_NOLOCK
, AML_WRITE_AS_ZEROS
);
1734 aml_append(field
, aml_named_field("PCIU", 32));
1735 aml_append(field
, aml_named_field("PCID", 32));
1736 aml_append(scope
, field
);
1739 aml_operation_region("SEJ", AML_SYSTEM_IO
, aml_int(0xae08), 0x04));
1740 field
= aml_field("SEJ", AML_DWORD_ACC
, AML_NOLOCK
, AML_WRITE_AS_ZEROS
);
1741 aml_append(field
, aml_named_field("B0EJ", 32));
1742 aml_append(scope
, field
);
1745 aml_operation_region("BNMR", AML_SYSTEM_IO
, aml_int(0xae10), 0x04));
1746 field
= aml_field("BNMR", AML_DWORD_ACC
, AML_NOLOCK
, AML_WRITE_AS_ZEROS
);
1747 aml_append(field
, aml_named_field("BNUM", 32));
1748 aml_append(scope
, field
);
1750 aml_append(scope
, aml_mutex("BLCK", 0));
1752 method
= aml_method("PCEJ", 2, AML_NOTSERIALIZED
);
1753 aml_append(method
, aml_acquire(aml_name("BLCK"), 0xFFFF));
1754 aml_append(method
, aml_store(aml_arg(0), aml_name("BNUM")));
1756 aml_store(aml_shiftleft(aml_int(1), aml_arg(1)), aml_name("B0EJ")));
1757 aml_append(method
, aml_release(aml_name("BLCK")));
1758 aml_append(method
, aml_return(aml_int(0)));
1759 aml_append(scope
, method
);
1761 aml_append(table
, scope
);
1764 static Aml
*build_q35_osc_method(void)
1770 Aml
*a_cwd1
= aml_name("CDW1");
1771 Aml
*a_ctrl
= aml_local(0);
1773 method
= aml_method("_OSC", 4, AML_NOTSERIALIZED
);
1774 aml_append(method
, aml_create_dword_field(aml_arg(3), aml_int(0), "CDW1"));
1776 if_ctx
= aml_if(aml_equal(
1777 aml_arg(0), aml_touuid("33DB4D5B-1FF7-401C-9657-7441C03DD766")));
1778 aml_append(if_ctx
, aml_create_dword_field(aml_arg(3), aml_int(4), "CDW2"));
1779 aml_append(if_ctx
, aml_create_dword_field(aml_arg(3), aml_int(8), "CDW3"));
1781 aml_append(if_ctx
, aml_store(aml_name("CDW3"), a_ctrl
));
1784 * Always allow native PME, AER (no dependencies)
1785 * Allow SHPC (PCI bridges can have SHPC controller)
1787 aml_append(if_ctx
, aml_and(a_ctrl
, aml_int(0x1F), a_ctrl
));
1789 if_ctx2
= aml_if(aml_lnot(aml_equal(aml_arg(1), aml_int(1))));
1790 /* Unknown revision */
1791 aml_append(if_ctx2
, aml_or(a_cwd1
, aml_int(0x08), a_cwd1
));
1792 aml_append(if_ctx
, if_ctx2
);
1794 if_ctx2
= aml_if(aml_lnot(aml_equal(aml_name("CDW3"), a_ctrl
)));
1795 /* Capabilities bits were masked */
1796 aml_append(if_ctx2
, aml_or(a_cwd1
, aml_int(0x10), a_cwd1
));
1797 aml_append(if_ctx
, if_ctx2
);
1799 /* Update DWORD3 in the buffer */
1800 aml_append(if_ctx
, aml_store(a_ctrl
, aml_name("CDW3")));
1801 aml_append(method
, if_ctx
);
1803 else_ctx
= aml_else();
1804 /* Unrecognized UUID */
1805 aml_append(else_ctx
, aml_or(a_cwd1
, aml_int(4), a_cwd1
));
1806 aml_append(method
, else_ctx
);
1808 aml_append(method
, aml_return(aml_arg(3)));
1812 static void build_smb0(Aml
*table
, I2CBus
*smbus
, int devnr
, int func
)
1814 Aml
*scope
= aml_scope("_SB.PCI0");
1815 Aml
*dev
= aml_device("SMB0");
1817 aml_append(dev
, aml_name_decl("_HID", aml_eisaid("APP0005")));
1818 aml_append(dev
, aml_name_decl("_ADR", aml_int(devnr
<< 16 | func
)));
1819 build_acpi_ipmi_devices(dev
, BUS(smbus
), "\\_SB.PCI0.SMB0");
1820 aml_append(scope
, dev
);
1821 aml_append(table
, scope
);
1825 build_dsdt(GArray
*table_data
, BIOSLinker
*linker
,
1826 AcpiPmInfo
*pm
, AcpiMiscInfo
*misc
,
1827 Range
*pci_hole
, Range
*pci_hole64
, MachineState
*machine
)
1829 CrsRangeEntry
*entry
;
1830 Aml
*dsdt
, *sb_scope
, *scope
, *dev
, *method
, *field
, *pkg
, *crs
;
1831 CrsRangeSet crs_range_set
;
1832 PCMachineState
*pcms
= PC_MACHINE(machine
);
1833 PCMachineClass
*pcmc
= PC_MACHINE_GET_CLASS(machine
);
1834 X86MachineState
*x86ms
= X86_MACHINE(machine
);
1836 uint32_t nr_mem
= machine
->ram_slots
;
1837 int root_bus_limit
= 0xFF;
1839 TPMIf
*tpm
= tpm_find();
1842 dsdt
= init_aml_allocator();
1844 /* Reserve space for header */
1845 acpi_data_push(dsdt
->buf
, sizeof(AcpiTableHeader
));
1847 build_dbg_aml(dsdt
);
1848 if (misc
->is_piix4
) {
1849 sb_scope
= aml_scope("_SB");
1850 dev
= aml_device("PCI0");
1851 aml_append(dev
, aml_name_decl("_HID", aml_eisaid("PNP0A03")));
1852 aml_append(dev
, aml_name_decl("_ADR", aml_int(0)));
1853 aml_append(dev
, aml_name_decl("_UID", aml_int(1)));
1854 aml_append(sb_scope
, dev
);
1855 aml_append(dsdt
, sb_scope
);
1857 build_hpet_aml(dsdt
);
1858 build_piix4_pm(dsdt
);
1859 build_piix4_isa_bridge(dsdt
);
1860 build_isa_devices_aml(dsdt
);
1861 build_piix4_pci_hotplug(dsdt
);
1862 build_piix4_pci0_int(dsdt
);
1864 sb_scope
= aml_scope("_SB");
1865 dev
= aml_device("PCI0");
1866 aml_append(dev
, aml_name_decl("_HID", aml_eisaid("PNP0A08")));
1867 aml_append(dev
, aml_name_decl("_CID", aml_eisaid("PNP0A03")));
1868 aml_append(dev
, aml_name_decl("_ADR", aml_int(0)));
1869 aml_append(dev
, aml_name_decl("_UID", aml_int(1)));
1870 aml_append(dev
, build_q35_osc_method());
1871 aml_append(sb_scope
, dev
);
1872 aml_append(dsdt
, sb_scope
);
1874 build_hpet_aml(dsdt
);
1875 build_q35_isa_bridge(dsdt
);
1876 build_isa_devices_aml(dsdt
);
1877 build_q35_pci0_int(dsdt
);
1878 if (pcms
->smbus
&& !pcmc
->do_not_add_smb_acpi
) {
1879 build_smb0(dsdt
, pcms
->smbus
, ICH9_SMB_DEV
, ICH9_SMB_FUNC
);
1883 if (pcmc
->legacy_cpu_hotplug
) {
1884 build_legacy_cpu_hotplug_aml(dsdt
, machine
, pm
->cpu_hp_io_base
);
1886 CPUHotplugFeatures opts
= {
1887 .acpi_1_compatible
= true, .has_legacy_cphp
= true
1889 build_cpus_aml(dsdt
, machine
, opts
, pm
->cpu_hp_io_base
,
1890 "\\_SB.PCI0", "\\_GPE._E02");
1893 if (pcms
->memhp_io_base
&& nr_mem
) {
1894 build_memory_hotplug_aml(dsdt
, nr_mem
, "\\_SB.PCI0",
1895 "\\_GPE._E03", AML_SYSTEM_IO
,
1896 pcms
->memhp_io_base
);
1899 scope
= aml_scope("_GPE");
1901 aml_append(scope
, aml_name_decl("_HID", aml_string("ACPI0006")));
1903 if (misc
->is_piix4
) {
1904 method
= aml_method("_E01", 0, AML_NOTSERIALIZED
);
1906 aml_acquire(aml_name("\\_SB.PCI0.BLCK"), 0xFFFF));
1907 aml_append(method
, aml_call0("\\_SB.PCI0.PCNT"));
1908 aml_append(method
, aml_release(aml_name("\\_SB.PCI0.BLCK")));
1909 aml_append(scope
, method
);
1912 if (machine
->nvdimms_state
->is_enabled
) {
1913 method
= aml_method("_E04", 0, AML_NOTSERIALIZED
);
1914 aml_append(method
, aml_notify(aml_name("\\_SB.NVDR"),
1916 aml_append(scope
, method
);
1919 aml_append(dsdt
, scope
);
1921 crs_range_set_init(&crs_range_set
);
1922 bus
= PC_MACHINE(machine
)->bus
;
1924 QLIST_FOREACH(bus
, &bus
->child
, sibling
) {
1925 uint8_t bus_num
= pci_bus_num(bus
);
1926 uint8_t numa_node
= pci_bus_numa_node(bus
);
1928 /* look only for expander root buses */
1929 if (!pci_bus_is_root(bus
)) {
1933 if (bus_num
< root_bus_limit
) {
1934 root_bus_limit
= bus_num
- 1;
1937 scope
= aml_scope("\\_SB");
1938 dev
= aml_device("PC%.02X", bus_num
);
1939 aml_append(dev
, aml_name_decl("_UID", aml_int(bus_num
)));
1940 aml_append(dev
, aml_name_decl("_BBN", aml_int(bus_num
)));
1941 if (pci_bus_is_express(bus
)) {
1942 aml_append(dev
, aml_name_decl("_HID", aml_eisaid("PNP0A08")));
1943 aml_append(dev
, aml_name_decl("_CID", aml_eisaid("PNP0A03")));
1944 aml_append(dev
, build_q35_osc_method());
1946 aml_append(dev
, aml_name_decl("_HID", aml_eisaid("PNP0A03")));
1949 if (numa_node
!= NUMA_NODE_UNASSIGNED
) {
1950 aml_append(dev
, aml_name_decl("_PXM", aml_int(numa_node
)));
1953 aml_append(dev
, build_prt(false));
1954 crs
= build_crs(PCI_HOST_BRIDGE(BUS(bus
)->parent
), &crs_range_set
);
1955 aml_append(dev
, aml_name_decl("_CRS", crs
));
1956 aml_append(scope
, dev
);
1957 aml_append(dsdt
, scope
);
1962 * At this point crs_range_set has all the ranges used by pci
1963 * busses *other* than PCI0. These ranges will be excluded from
1964 * the PCI0._CRS. Add mmconfig to the set so it will be excluded
1967 if (acpi_get_mcfg(&mcfg
)) {
1968 crs_range_insert(crs_range_set
.mem_ranges
,
1969 mcfg
.base
, mcfg
.base
+ mcfg
.size
- 1);
1972 scope
= aml_scope("\\_SB.PCI0");
1973 /* build PCI0._CRS */
1974 crs
= aml_resource_template();
1976 aml_word_bus_number(AML_MIN_FIXED
, AML_MAX_FIXED
, AML_POS_DECODE
,
1977 0x0000, 0x0, root_bus_limit
,
1978 0x0000, root_bus_limit
+ 1));
1979 aml_append(crs
, aml_io(AML_DECODE16
, 0x0CF8, 0x0CF8, 0x01, 0x08));
1982 aml_word_io(AML_MIN_FIXED
, AML_MAX_FIXED
,
1983 AML_POS_DECODE
, AML_ENTIRE_RANGE
,
1984 0x0000, 0x0000, 0x0CF7, 0x0000, 0x0CF8));
1986 crs_replace_with_free_ranges(crs_range_set
.io_ranges
, 0x0D00, 0xFFFF);
1987 for (i
= 0; i
< crs_range_set
.io_ranges
->len
; i
++) {
1988 entry
= g_ptr_array_index(crs_range_set
.io_ranges
, i
);
1990 aml_word_io(AML_MIN_FIXED
, AML_MAX_FIXED
,
1991 AML_POS_DECODE
, AML_ENTIRE_RANGE
,
1992 0x0000, entry
->base
, entry
->limit
,
1993 0x0000, entry
->limit
- entry
->base
+ 1));
1997 aml_dword_memory(AML_POS_DECODE
, AML_MIN_FIXED
, AML_MAX_FIXED
,
1998 AML_CACHEABLE
, AML_READ_WRITE
,
1999 0, 0x000A0000, 0x000BFFFF, 0, 0x00020000));
2001 crs_replace_with_free_ranges(crs_range_set
.mem_ranges
,
2002 range_lob(pci_hole
),
2003 range_upb(pci_hole
));
2004 for (i
= 0; i
< crs_range_set
.mem_ranges
->len
; i
++) {
2005 entry
= g_ptr_array_index(crs_range_set
.mem_ranges
, i
);
2007 aml_dword_memory(AML_POS_DECODE
, AML_MIN_FIXED
, AML_MAX_FIXED
,
2008 AML_NON_CACHEABLE
, AML_READ_WRITE
,
2009 0, entry
->base
, entry
->limit
,
2010 0, entry
->limit
- entry
->base
+ 1));
2013 if (!range_is_empty(pci_hole64
)) {
2014 crs_replace_with_free_ranges(crs_range_set
.mem_64bit_ranges
,
2015 range_lob(pci_hole64
),
2016 range_upb(pci_hole64
));
2017 for (i
= 0; i
< crs_range_set
.mem_64bit_ranges
->len
; i
++) {
2018 entry
= g_ptr_array_index(crs_range_set
.mem_64bit_ranges
, i
);
2020 aml_qword_memory(AML_POS_DECODE
, AML_MIN_FIXED
,
2022 AML_CACHEABLE
, AML_READ_WRITE
,
2023 0, entry
->base
, entry
->limit
,
2024 0, entry
->limit
- entry
->base
+ 1));
2028 if (TPM_IS_TIS(tpm_find())) {
2029 aml_append(crs
, aml_memory32_fixed(TPM_TIS_ADDR_BASE
,
2030 TPM_TIS_ADDR_SIZE
, AML_READ_WRITE
));
2032 aml_append(scope
, aml_name_decl("_CRS", crs
));
2034 /* reserve GPE0 block resources */
2035 dev
= aml_device("GPE0");
2036 aml_append(dev
, aml_name_decl("_HID", aml_string("PNP0A06")));
2037 aml_append(dev
, aml_name_decl("_UID", aml_string("GPE0 resources")));
2038 /* device present, functioning, decoding, not shown in UI */
2039 aml_append(dev
, aml_name_decl("_STA", aml_int(0xB)));
2040 crs
= aml_resource_template();
2044 pm
->fadt
.gpe0_blk
.address
,
2045 pm
->fadt
.gpe0_blk
.address
,
2047 pm
->fadt
.gpe0_blk
.bit_width
/ 8)
2049 aml_append(dev
, aml_name_decl("_CRS", crs
));
2050 aml_append(scope
, dev
);
2052 crs_range_set_free(&crs_range_set
);
2054 /* reserve PCIHP resources */
2055 if (pm
->pcihp_io_len
) {
2056 dev
= aml_device("PHPR");
2057 aml_append(dev
, aml_name_decl("_HID", aml_string("PNP0A06")));
2059 aml_name_decl("_UID", aml_string("PCI Hotplug resources")));
2060 /* device present, functioning, decoding, not shown in UI */
2061 aml_append(dev
, aml_name_decl("_STA", aml_int(0xB)));
2062 crs
= aml_resource_template();
2064 aml_io(AML_DECODE16
, pm
->pcihp_io_base
, pm
->pcihp_io_base
, 1,
2067 aml_append(dev
, aml_name_decl("_CRS", crs
));
2068 aml_append(scope
, dev
);
2070 aml_append(dsdt
, scope
);
2072 /* create S3_ / S4_ / S5_ packages if necessary */
2073 scope
= aml_scope("\\");
2074 if (!pm
->s3_disabled
) {
2075 pkg
= aml_package(4);
2076 aml_append(pkg
, aml_int(1)); /* PM1a_CNT.SLP_TYP */
2077 aml_append(pkg
, aml_int(1)); /* PM1b_CNT.SLP_TYP, FIXME: not impl. */
2078 aml_append(pkg
, aml_int(0)); /* reserved */
2079 aml_append(pkg
, aml_int(0)); /* reserved */
2080 aml_append(scope
, aml_name_decl("_S3", pkg
));
2083 if (!pm
->s4_disabled
) {
2084 pkg
= aml_package(4);
2085 aml_append(pkg
, aml_int(pm
->s4_val
)); /* PM1a_CNT.SLP_TYP */
2086 /* PM1b_CNT.SLP_TYP, FIXME: not impl. */
2087 aml_append(pkg
, aml_int(pm
->s4_val
));
2088 aml_append(pkg
, aml_int(0)); /* reserved */
2089 aml_append(pkg
, aml_int(0)); /* reserved */
2090 aml_append(scope
, aml_name_decl("_S4", pkg
));
2093 pkg
= aml_package(4);
2094 aml_append(pkg
, aml_int(0)); /* PM1a_CNT.SLP_TYP */
2095 aml_append(pkg
, aml_int(0)); /* PM1b_CNT.SLP_TYP not impl. */
2096 aml_append(pkg
, aml_int(0)); /* reserved */
2097 aml_append(pkg
, aml_int(0)); /* reserved */
2098 aml_append(scope
, aml_name_decl("_S5", pkg
));
2099 aml_append(dsdt
, scope
);
2101 /* create fw_cfg node, unconditionally */
2103 /* when using port i/o, the 8-bit data register *always* overlaps
2104 * with half of the 16-bit control register. Hence, the total size
2105 * of the i/o region used is FW_CFG_CTL_SIZE; when using DMA, the
2106 * DMA control register is located at FW_CFG_DMA_IO_BASE + 4 */
2107 uint8_t io_size
= object_property_get_bool(OBJECT(x86ms
->fw_cfg
),
2108 "dma_enabled", NULL
) ?
2109 ROUND_UP(FW_CFG_CTL_SIZE
, 4) + sizeof(dma_addr_t
) :
2112 scope
= aml_scope("\\_SB.PCI0");
2113 dev
= aml_device("FWCF");
2115 aml_append(dev
, aml_name_decl("_HID", aml_string("QEMU0002")));
2117 /* device present, functioning, decoding, not shown in UI */
2118 aml_append(dev
, aml_name_decl("_STA", aml_int(0xB)));
2120 crs
= aml_resource_template();
2122 aml_io(AML_DECODE16
, FW_CFG_IO_BASE
, FW_CFG_IO_BASE
, 0x01, io_size
)
2124 aml_append(dev
, aml_name_decl("_CRS", crs
));
2126 aml_append(scope
, dev
);
2127 aml_append(dsdt
, scope
);
2130 if (misc
->applesmc_io_base
) {
2131 scope
= aml_scope("\\_SB.PCI0.ISA");
2132 dev
= aml_device("SMC");
2134 aml_append(dev
, aml_name_decl("_HID", aml_eisaid("APP0001")));
2135 /* device present, functioning, decoding, not shown in UI */
2136 aml_append(dev
, aml_name_decl("_STA", aml_int(0xB)));
2138 crs
= aml_resource_template();
2140 aml_io(AML_DECODE16
, misc
->applesmc_io_base
, misc
->applesmc_io_base
,
2141 0x01, APPLESMC_MAX_DATA_LENGTH
)
2143 aml_append(crs
, aml_irq_no_flags(6));
2144 aml_append(dev
, aml_name_decl("_CRS", crs
));
2146 aml_append(scope
, dev
);
2147 aml_append(dsdt
, scope
);
2150 if (misc
->pvpanic_port
) {
2151 scope
= aml_scope("\\_SB.PCI0.ISA");
2153 dev
= aml_device("PEVT");
2154 aml_append(dev
, aml_name_decl("_HID", aml_string("QEMU0001")));
2156 crs
= aml_resource_template();
2158 aml_io(AML_DECODE16
, misc
->pvpanic_port
, misc
->pvpanic_port
, 1, 1)
2160 aml_append(dev
, aml_name_decl("_CRS", crs
));
2162 aml_append(dev
, aml_operation_region("PEOR", AML_SYSTEM_IO
,
2163 aml_int(misc
->pvpanic_port
), 1));
2164 field
= aml_field("PEOR", AML_BYTE_ACC
, AML_NOLOCK
, AML_PRESERVE
);
2165 aml_append(field
, aml_named_field("PEPT", 8));
2166 aml_append(dev
, field
);
2168 /* device present, functioning, decoding, shown in UI */
2169 aml_append(dev
, aml_name_decl("_STA", aml_int(0xF)));
2171 method
= aml_method("RDPT", 0, AML_NOTSERIALIZED
);
2172 aml_append(method
, aml_store(aml_name("PEPT"), aml_local(0)));
2173 aml_append(method
, aml_return(aml_local(0)));
2174 aml_append(dev
, method
);
2176 method
= aml_method("WRPT", 1, AML_NOTSERIALIZED
);
2177 aml_append(method
, aml_store(aml_arg(0), aml_name("PEPT")));
2178 aml_append(dev
, method
);
2180 aml_append(scope
, dev
);
2181 aml_append(dsdt
, scope
);
2184 sb_scope
= aml_scope("\\_SB");
2189 pci_host
= acpi_get_i386_pci_host();
2191 bus
= PCI_HOST_BRIDGE(pci_host
)->bus
;
2195 Aml
*scope
= aml_scope("PCI0");
2196 /* Scan all PCI buses. Generate tables to support hotplug. */
2197 build_append_pci_bus_devices(scope
, bus
, pm
->pcihp_bridge_en
);
2199 if (TPM_IS_TIS(tpm
)) {
2200 if (misc
->tpm_version
== TPM_VERSION_2_0
) {
2201 dev
= aml_device("TPM");
2202 aml_append(dev
, aml_name_decl("_HID",
2203 aml_string("MSFT0101")));
2205 dev
= aml_device("ISA.TPM");
2206 aml_append(dev
, aml_name_decl("_HID",
2207 aml_eisaid("PNP0C31")));
2210 aml_append(dev
, aml_name_decl("_STA", aml_int(0xF)));
2211 crs
= aml_resource_template();
2212 aml_append(crs
, aml_memory32_fixed(TPM_TIS_ADDR_BASE
,
2213 TPM_TIS_ADDR_SIZE
, AML_READ_WRITE
));
2215 FIXME: TPM_TIS_IRQ=5 conflicts with PNP0C0F irqs,
2216 Rewrite to take IRQ from TPM device model and
2217 fix default IRQ value there to use some unused IRQ
2219 /* aml_append(crs, aml_irq_no_flags(TPM_TIS_IRQ)); */
2220 aml_append(dev
, aml_name_decl("_CRS", crs
));
2222 tpm_build_ppi_acpi(tpm
, dev
);
2224 aml_append(scope
, dev
);
2227 aml_append(sb_scope
, scope
);
2231 if (TPM_IS_CRB(tpm
)) {
2232 dev
= aml_device("TPM");
2233 aml_append(dev
, aml_name_decl("_HID", aml_string("MSFT0101")));
2234 crs
= aml_resource_template();
2235 aml_append(crs
, aml_memory32_fixed(TPM_CRB_ADDR_BASE
,
2236 TPM_CRB_ADDR_SIZE
, AML_READ_WRITE
));
2237 aml_append(dev
, aml_name_decl("_CRS", crs
));
2239 method
= aml_method("_STA", 0, AML_NOTSERIALIZED
);
2240 aml_append(method
, aml_return(aml_int(0x0f)));
2241 aml_append(dev
, method
);
2243 tpm_build_ppi_acpi(tpm
, dev
);
2245 aml_append(sb_scope
, dev
);
2248 aml_append(dsdt
, sb_scope
);
2250 /* copy AML table into ACPI tables blob and patch header there */
2251 g_array_append_vals(table_data
, dsdt
->buf
->data
, dsdt
->buf
->len
);
2252 build_header(linker
, table_data
,
2253 (void *)(table_data
->data
+ table_data
->len
- dsdt
->buf
->len
),
2254 "DSDT", dsdt
->buf
->len
, 1, NULL
, NULL
);
2255 free_aml_allocator();
2259 build_hpet(GArray
*table_data
, BIOSLinker
*linker
)
2263 hpet
= acpi_data_push(table_data
, sizeof(*hpet
));
2264 /* Note timer_block_id value must be kept in sync with value advertised by
2267 hpet
->timer_block_id
= cpu_to_le32(0x8086a201);
2268 hpet
->addr
.address
= cpu_to_le64(HPET_BASE
);
2269 build_header(linker
, table_data
,
2270 (void *)hpet
, "HPET", sizeof(*hpet
), 1, NULL
, NULL
);
2274 build_tpm_tcpa(GArray
*table_data
, BIOSLinker
*linker
, GArray
*tcpalog
)
2276 Acpi20Tcpa
*tcpa
= acpi_data_push(table_data
, sizeof *tcpa
);
2277 unsigned log_addr_size
= sizeof(tcpa
->log_area_start_address
);
2278 unsigned log_addr_offset
=
2279 (char *)&tcpa
->log_area_start_address
- table_data
->data
;
2281 tcpa
->platform_class
= cpu_to_le16(TPM_TCPA_ACPI_CLASS_CLIENT
);
2282 tcpa
->log_area_minimum_length
= cpu_to_le32(TPM_LOG_AREA_MINIMUM_SIZE
);
2283 acpi_data_push(tcpalog
, le32_to_cpu(tcpa
->log_area_minimum_length
));
2285 bios_linker_loader_alloc(linker
, ACPI_BUILD_TPMLOG_FILE
, tcpalog
, 1,
2286 false /* high memory */);
2288 /* log area start address to be filled by Guest linker */
2289 bios_linker_loader_add_pointer(linker
,
2290 ACPI_BUILD_TABLE_FILE
, log_addr_offset
, log_addr_size
,
2291 ACPI_BUILD_TPMLOG_FILE
, 0);
2293 build_header(linker
, table_data
,
2294 (void *)tcpa
, "TCPA", sizeof(*tcpa
), 2, NULL
, NULL
);
2298 build_tpm2(GArray
*table_data
, BIOSLinker
*linker
, GArray
*tcpalog
)
2300 Acpi20TPM2
*tpm2_ptr
= acpi_data_push(table_data
, sizeof *tpm2_ptr
);
2301 unsigned log_addr_size
= sizeof(tpm2_ptr
->log_area_start_address
);
2302 unsigned log_addr_offset
=
2303 (char *)&tpm2_ptr
->log_area_start_address
- table_data
->data
;
2305 tpm2_ptr
->platform_class
= cpu_to_le16(TPM2_ACPI_CLASS_CLIENT
);
2306 if (TPM_IS_TIS(tpm_find())) {
2307 tpm2_ptr
->control_area_address
= cpu_to_le64(0);
2308 tpm2_ptr
->start_method
= cpu_to_le32(TPM2_START_METHOD_MMIO
);
2309 } else if (TPM_IS_CRB(tpm_find())) {
2310 tpm2_ptr
->control_area_address
= cpu_to_le64(TPM_CRB_ADDR_CTRL
);
2311 tpm2_ptr
->start_method
= cpu_to_le32(TPM2_START_METHOD_CRB
);
2313 g_warn_if_reached();
2316 tpm2_ptr
->log_area_minimum_length
=
2317 cpu_to_le32(TPM_LOG_AREA_MINIMUM_SIZE
);
2319 /* log area start address to be filled by Guest linker */
2320 bios_linker_loader_add_pointer(linker
, ACPI_BUILD_TABLE_FILE
,
2321 log_addr_offset
, log_addr_size
,
2322 ACPI_BUILD_TPMLOG_FILE
, 0);
2323 build_header(linker
, table_data
,
2324 (void *)tpm2_ptr
, "TPM2", sizeof(*tpm2_ptr
), 4, NULL
, NULL
);
2327 #define HOLE_640K_START (640 * KiB)
2328 #define HOLE_640K_END (1 * MiB)
2331 build_srat(GArray
*table_data
, BIOSLinker
*linker
, MachineState
*machine
)
2333 AcpiSystemResourceAffinityTable
*srat
;
2334 AcpiSratMemoryAffinity
*numamem
;
2337 int srat_start
, numa_start
, slots
;
2338 uint64_t mem_len
, mem_base
, next_base
;
2339 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
2340 X86MachineState
*x86ms
= X86_MACHINE(machine
);
2341 const CPUArchIdList
*apic_ids
= mc
->possible_cpu_arch_ids(machine
);
2342 PCMachineState
*pcms
= PC_MACHINE(machine
);
2343 ram_addr_t hotplugabble_address_space_size
=
2344 object_property_get_int(OBJECT(pcms
), PC_MACHINE_DEVMEM_REGION_SIZE
,
2347 srat_start
= table_data
->len
;
2349 srat
= acpi_data_push(table_data
, sizeof *srat
);
2350 srat
->reserved1
= cpu_to_le32(1);
2352 for (i
= 0; i
< apic_ids
->len
; i
++) {
2353 int node_id
= apic_ids
->cpus
[i
].props
.node_id
;
2354 uint32_t apic_id
= apic_ids
->cpus
[i
].arch_id
;
2356 if (apic_id
< 255) {
2357 AcpiSratProcessorAffinity
*core
;
2359 core
= acpi_data_push(table_data
, sizeof *core
);
2360 core
->type
= ACPI_SRAT_PROCESSOR_APIC
;
2361 core
->length
= sizeof(*core
);
2362 core
->local_apic_id
= apic_id
;
2363 core
->proximity_lo
= node_id
;
2364 memset(core
->proximity_hi
, 0, 3);
2365 core
->local_sapic_eid
= 0;
2366 core
->flags
= cpu_to_le32(1);
2368 AcpiSratProcessorX2ApicAffinity
*core
;
2370 core
= acpi_data_push(table_data
, sizeof *core
);
2371 core
->type
= ACPI_SRAT_PROCESSOR_x2APIC
;
2372 core
->length
= sizeof(*core
);
2373 core
->x2apic_id
= cpu_to_le32(apic_id
);
2374 core
->proximity_domain
= cpu_to_le32(node_id
);
2375 core
->flags
= cpu_to_le32(1);
2380 /* the memory map is a bit tricky, it contains at least one hole
2381 * from 640k-1M and possibly another one from 3.5G-4G.
2384 numa_start
= table_data
->len
;
2386 for (i
= 1; i
< pcms
->numa_nodes
+ 1; ++i
) {
2387 mem_base
= next_base
;
2388 mem_len
= pcms
->node_mem
[i
- 1];
2389 next_base
= mem_base
+ mem_len
;
2391 /* Cut out the 640K hole */
2392 if (mem_base
<= HOLE_640K_START
&&
2393 next_base
> HOLE_640K_START
) {
2394 mem_len
-= next_base
- HOLE_640K_START
;
2396 numamem
= acpi_data_push(table_data
, sizeof *numamem
);
2397 build_srat_memory(numamem
, mem_base
, mem_len
, i
- 1,
2398 MEM_AFFINITY_ENABLED
);
2401 /* Check for the rare case: 640K < RAM < 1M */
2402 if (next_base
<= HOLE_640K_END
) {
2403 next_base
= HOLE_640K_END
;
2406 mem_base
= HOLE_640K_END
;
2407 mem_len
= next_base
- HOLE_640K_END
;
2410 /* Cut out the ACPI_PCI hole */
2411 if (mem_base
<= x86ms
->below_4g_mem_size
&&
2412 next_base
> x86ms
->below_4g_mem_size
) {
2413 mem_len
-= next_base
- x86ms
->below_4g_mem_size
;
2415 numamem
= acpi_data_push(table_data
, sizeof *numamem
);
2416 build_srat_memory(numamem
, mem_base
, mem_len
, i
- 1,
2417 MEM_AFFINITY_ENABLED
);
2419 mem_base
= 1ULL << 32;
2420 mem_len
= next_base
- x86ms
->below_4g_mem_size
;
2421 next_base
= mem_base
+ mem_len
;
2425 numamem
= acpi_data_push(table_data
, sizeof *numamem
);
2426 build_srat_memory(numamem
, mem_base
, mem_len
, i
- 1,
2427 MEM_AFFINITY_ENABLED
);
2430 slots
= (table_data
->len
- numa_start
) / sizeof *numamem
;
2431 for (; slots
< pcms
->numa_nodes
+ 2; slots
++) {
2432 numamem
= acpi_data_push(table_data
, sizeof *numamem
);
2433 build_srat_memory(numamem
, 0, 0, 0, MEM_AFFINITY_NOFLAGS
);
2437 * Entry is required for Windows to enable memory hotplug in OS
2438 * and for Linux to enable SWIOTLB when booted with less than
2439 * 4G of RAM. Windows works better if the entry sets proximity
2440 * to the highest NUMA node in the machine.
2441 * Memory devices may override proximity set by this entry,
2442 * providing _PXM method if necessary.
2444 if (hotplugabble_address_space_size
) {
2445 numamem
= acpi_data_push(table_data
, sizeof *numamem
);
2446 build_srat_memory(numamem
, machine
->device_memory
->base
,
2447 hotplugabble_address_space_size
, pcms
->numa_nodes
- 1,
2448 MEM_AFFINITY_HOTPLUGGABLE
| MEM_AFFINITY_ENABLED
);
2451 build_header(linker
, table_data
,
2452 (void *)(table_data
->data
+ srat_start
),
2454 table_data
->len
- srat_start
, 1, NULL
, NULL
);
2458 * VT-d spec 8.1 DMA Remapping Reporting Structure
2459 * (version Oct. 2014 or later)
2462 build_dmar_q35(GArray
*table_data
, BIOSLinker
*linker
)
2464 int dmar_start
= table_data
->len
;
2466 AcpiTableDmar
*dmar
;
2467 AcpiDmarHardwareUnit
*drhd
;
2468 AcpiDmarRootPortATS
*atsr
;
2469 uint8_t dmar_flags
= 0;
2470 X86IOMMUState
*iommu
= x86_iommu_get_default();
2471 AcpiDmarDeviceScope
*scope
= NULL
;
2472 /* Root complex IOAPIC use one path[0] only */
2473 size_t ioapic_scope_size
= sizeof(*scope
) + sizeof(scope
->path
[0]);
2474 IntelIOMMUState
*intel_iommu
= INTEL_IOMMU_DEVICE(iommu
);
2477 if (x86_iommu_ir_supported(iommu
)) {
2478 dmar_flags
|= 0x1; /* Flags: 0x1: INT_REMAP */
2481 dmar
= acpi_data_push(table_data
, sizeof(*dmar
));
2482 dmar
->host_address_width
= intel_iommu
->aw_bits
- 1;
2483 dmar
->flags
= dmar_flags
;
2485 /* DMAR Remapping Hardware Unit Definition structure */
2486 drhd
= acpi_data_push(table_data
, sizeof(*drhd
) + ioapic_scope_size
);
2487 drhd
->type
= cpu_to_le16(ACPI_DMAR_TYPE_HARDWARE_UNIT
);
2488 drhd
->length
= cpu_to_le16(sizeof(*drhd
) + ioapic_scope_size
);
2489 drhd
->flags
= ACPI_DMAR_INCLUDE_PCI_ALL
;
2490 drhd
->pci_segment
= cpu_to_le16(0);
2491 drhd
->address
= cpu_to_le64(Q35_HOST_BRIDGE_IOMMU_ADDR
);
2493 /* Scope definition for the root-complex IOAPIC. See VT-d spec
2494 * 8.3.1 (version Oct. 2014 or later). */
2495 scope
= &drhd
->scope
[0];
2496 scope
->entry_type
= 0x03; /* Type: 0x03 for IOAPIC */
2497 scope
->length
= ioapic_scope_size
;
2498 scope
->enumeration_id
= ACPI_BUILD_IOAPIC_ID
;
2499 scope
->bus
= Q35_PSEUDO_BUS_PLATFORM
;
2500 scope
->path
[0].device
= PCI_SLOT(Q35_PSEUDO_DEVFN_IOAPIC
);
2501 scope
->path
[0].function
= PCI_FUNC(Q35_PSEUDO_DEVFN_IOAPIC
);
2503 if (iommu
->dt_supported
) {
2504 atsr
= acpi_data_push(table_data
, sizeof(*atsr
));
2505 atsr
->type
= cpu_to_le16(ACPI_DMAR_TYPE_ATSR
);
2506 atsr
->length
= cpu_to_le16(sizeof(*atsr
));
2507 atsr
->flags
= ACPI_DMAR_ATSR_ALL_PORTS
;
2508 atsr
->pci_segment
= cpu_to_le16(0);
2511 build_header(linker
, table_data
, (void *)(table_data
->data
+ dmar_start
),
2512 "DMAR", table_data
->len
- dmar_start
, 1, NULL
, NULL
);
2515 * IVRS table as specified in AMD IOMMU Specification v2.62, Section 5.2
2516 * accessible here http://support.amd.com/TechDocs/48882_IOMMU.pdf
2518 #define IOAPIC_SB_DEVID (uint64_t)PCI_BUILD_BDF(0, PCI_DEVFN(0x14, 0))
2521 * Insert IVHD entry for device and recurse, insert alias, or insert range as
2522 * necessary for the PCI topology.
2525 insert_ivhd(PCIBus
*bus
, PCIDevice
*dev
, void *opaque
)
2527 GArray
*table_data
= opaque
;
2530 /* "Select" IVHD entry, type 0x2 */
2531 entry
= PCI_BUILD_BDF(pci_bus_num(bus
), dev
->devfn
) << 8 | 0x2;
2532 build_append_int_noprefix(table_data
, entry
, 4);
2534 if (object_dynamic_cast(OBJECT(dev
), TYPE_PCI_BRIDGE
)) {
2535 PCIBus
*sec_bus
= pci_bridge_get_sec_bus(PCI_BRIDGE(dev
));
2536 uint8_t sec
= pci_bus_num(sec_bus
);
2537 uint8_t sub
= dev
->config
[PCI_SUBORDINATE_BUS
];
2539 if (pci_bus_is_express(sec_bus
)) {
2541 * Walk the bus if there are subordinates, otherwise use a range
2542 * to cover an entire leaf bus. We could potentially also use a
2543 * range for traversed buses, but we'd need to take care not to
2544 * create both Select and Range entries covering the same device.
2545 * This is easier and potentially more compact.
2547 * An example bare metal system seems to use Select entries for
2548 * root ports without a slot (ie. built-ins) and Range entries
2549 * when there is a slot. The same system also only hard-codes
2550 * the alias range for an onboard PCIe-to-PCI bridge, apparently
2551 * making no effort to support nested bridges. We attempt to
2552 * be more thorough here.
2554 if (sec
== sub
) { /* leaf bus */
2555 /* "Start of Range" IVHD entry, type 0x3 */
2556 entry
= PCI_BUILD_BDF(sec
, PCI_DEVFN(0, 0)) << 8 | 0x3;
2557 build_append_int_noprefix(table_data
, entry
, 4);
2558 /* "End of Range" IVHD entry, type 0x4 */
2559 entry
= PCI_BUILD_BDF(sub
, PCI_DEVFN(31, 7)) << 8 | 0x4;
2560 build_append_int_noprefix(table_data
, entry
, 4);
2562 pci_for_each_device(sec_bus
, sec
, insert_ivhd
, table_data
);
2566 * If the secondary bus is conventional, then we need to create an
2567 * Alias range for everything downstream. The range covers the
2568 * first devfn on the secondary bus to the last devfn on the
2569 * subordinate bus. The alias target depends on legacy versus
2570 * express bridges, just as in pci_device_iommu_address_space().
2571 * DeviceIDa vs DeviceIDb as per the AMD IOMMU spec.
2573 uint16_t dev_id_a
, dev_id_b
;
2575 dev_id_a
= PCI_BUILD_BDF(sec
, PCI_DEVFN(0, 0));
2577 if (pci_is_express(dev
) &&
2578 pcie_cap_get_type(dev
) == PCI_EXP_TYPE_PCI_BRIDGE
) {
2579 dev_id_b
= dev_id_a
;
2581 dev_id_b
= PCI_BUILD_BDF(pci_bus_num(bus
), dev
->devfn
);
2584 /* "Alias Start of Range" IVHD entry, type 0x43, 8 bytes */
2585 build_append_int_noprefix(table_data
, dev_id_a
<< 8 | 0x43, 4);
2586 build_append_int_noprefix(table_data
, dev_id_b
<< 8 | 0x0, 4);
2588 /* "End of Range" IVHD entry, type 0x4 */
2589 entry
= PCI_BUILD_BDF(sub
, PCI_DEVFN(31, 7)) << 8 | 0x4;
2590 build_append_int_noprefix(table_data
, entry
, 4);
2595 /* For all PCI host bridges, walk and insert IVHD entries */
2597 ivrs_host_bridges(Object
*obj
, void *opaque
)
2599 GArray
*ivhd_blob
= opaque
;
2601 if (object_dynamic_cast(obj
, TYPE_PCI_HOST_BRIDGE
)) {
2602 PCIBus
*bus
= PCI_HOST_BRIDGE(obj
)->bus
;
2605 pci_for_each_device(bus
, pci_bus_num(bus
), insert_ivhd
, ivhd_blob
);
2613 build_amd_iommu(GArray
*table_data
, BIOSLinker
*linker
)
2615 int ivhd_table_len
= 24;
2616 int iommu_start
= table_data
->len
;
2617 AMDVIState
*s
= AMD_IOMMU_DEVICE(x86_iommu_get_default());
2618 GArray
*ivhd_blob
= g_array_new(false, true, 1);
2621 acpi_data_push(table_data
, sizeof(AcpiTableHeader
));
2622 /* IVinfo - IO virtualization information common to all
2623 * IOMMU units in a system
2625 build_append_int_noprefix(table_data
, 40UL << 8/* PASize */, 4);
2627 build_append_int_noprefix(table_data
, 0, 8);
2629 /* IVHD definition - type 10h */
2630 build_append_int_noprefix(table_data
, 0x10, 1);
2631 /* virtualization flags */
2632 build_append_int_noprefix(table_data
,
2633 (1UL << 0) | /* HtTunEn */
2634 (1UL << 4) | /* iotblSup */
2635 (1UL << 6) | /* PrefSup */
2636 (1UL << 7), /* PPRSup */
2640 * A PCI bus walk, for each PCI host bridge, is necessary to create a
2641 * complete set of IVHD entries. Do this into a separate blob so that we
2642 * can calculate the total IVRS table length here and then append the new
2643 * blob further below. Fall back to an entry covering all devices, which
2644 * is sufficient when no aliases are present.
2646 object_child_foreach_recursive(object_get_root(),
2647 ivrs_host_bridges
, ivhd_blob
);
2649 if (!ivhd_blob
->len
) {
2651 * Type 1 device entry reporting all devices
2652 * These are 4-byte device entries currently reporting the range of
2653 * Refer to Spec - Table 95:IVHD Device Entry Type Codes(4-byte)
2655 build_append_int_noprefix(ivhd_blob
, 0x0000001, 4);
2658 ivhd_table_len
+= ivhd_blob
->len
;
2661 * When interrupt remapping is supported, we add a special IVHD device
2664 if (x86_iommu_ir_supported(x86_iommu_get_default())) {
2665 ivhd_table_len
+= 8;
2669 build_append_int_noprefix(table_data
, ivhd_table_len
, 2);
2671 build_append_int_noprefix(table_data
, s
->devid
, 2);
2672 /* Capability offset */
2673 build_append_int_noprefix(table_data
, s
->capab_offset
, 2);
2674 /* IOMMU base address */
2675 build_append_int_noprefix(table_data
, s
->mmio
.addr
, 8);
2676 /* PCI Segment Group */
2677 build_append_int_noprefix(table_data
, 0, 2);
2679 build_append_int_noprefix(table_data
, 0, 2);
2680 /* IOMMU Feature Reporting */
2681 build_append_int_noprefix(table_data
,
2682 (48UL << 30) | /* HATS */
2683 (48UL << 28) | /* GATS */
2684 (1UL << 2) | /* GTSup */
2685 (1UL << 6), /* GASup */
2688 /* IVHD entries as found above */
2689 g_array_append_vals(table_data
, ivhd_blob
->data
, ivhd_blob
->len
);
2690 g_array_free(ivhd_blob
, TRUE
);
2693 * Add a special IVHD device type.
2694 * Refer to spec - Table 95: IVHD device entry type codes
2696 * Linux IOMMU driver checks for the special IVHD device (type IO-APIC).
2697 * See Linux kernel commit 'c2ff5cf5294bcbd7fa50f7d860e90a66db7e5059'
2699 if (x86_iommu_ir_supported(x86_iommu_get_default())) {
2700 build_append_int_noprefix(table_data
,
2701 (0x1ull
<< 56) | /* type IOAPIC */
2702 (IOAPIC_SB_DEVID
<< 40) | /* IOAPIC devid */
2703 0x48, /* special device */
2707 build_header(linker
, table_data
, (void *)(table_data
->data
+ iommu_start
),
2708 "IVRS", table_data
->len
- iommu_start
, 1, NULL
, NULL
);
2712 struct AcpiBuildState
{
2713 /* Copy of table in RAM (for patching). */
2714 MemoryRegion
*table_mr
;
2715 /* Is table patched? */
2718 MemoryRegion
*rsdp_mr
;
2719 MemoryRegion
*linker_mr
;
2722 static bool acpi_get_mcfg(AcpiMcfgInfo
*mcfg
)
2727 pci_host
= acpi_get_i386_pci_host();
2730 o
= object_property_get_qobject(pci_host
, PCIE_HOST_MCFG_BASE
, NULL
);
2734 mcfg
->base
= qnum_get_uint(qobject_to(QNum
, o
));
2736 if (mcfg
->base
== PCIE_BASE_ADDR_UNMAPPED
) {
2740 o
= object_property_get_qobject(pci_host
, PCIE_HOST_MCFG_SIZE
, NULL
);
2742 mcfg
->size
= qnum_get_uint(qobject_to(QNum
, o
));
2748 void acpi_build(AcpiBuildTables
*tables
, MachineState
*machine
)
2750 PCMachineState
*pcms
= PC_MACHINE(machine
);
2751 PCMachineClass
*pcmc
= PC_MACHINE_GET_CLASS(pcms
);
2752 X86MachineState
*x86ms
= X86_MACHINE(machine
);
2753 GArray
*table_offsets
;
2754 unsigned facs
, dsdt
, rsdt
, fadt
;
2758 Range pci_hole
, pci_hole64
;
2761 GArray
*tables_blob
= tables
->table_data
;
2762 AcpiSlicOem slic_oem
= { .id
= NULL
, .table_id
= NULL
};
2763 Object
*vmgenid_dev
;
2765 acpi_get_pm_info(machine
, &pm
);
2766 acpi_get_misc_info(&misc
);
2767 acpi_get_pci_holes(&pci_hole
, &pci_hole64
);
2768 acpi_get_slic_oem(&slic_oem
);
2770 table_offsets
= g_array_new(false, true /* clear */,
2772 ACPI_BUILD_DPRINTF("init ACPI tables\n");
2774 bios_linker_loader_alloc(tables
->linker
,
2775 ACPI_BUILD_TABLE_FILE
, tables_blob
,
2776 64 /* Ensure FACS is aligned */,
2777 false /* high memory */);
2780 * FACS is pointed to by FADT.
2781 * We place it first since it's the only table that has alignment
2784 facs
= tables_blob
->len
;
2785 build_facs(tables_blob
);
2787 /* DSDT is pointed to by FADT */
2788 dsdt
= tables_blob
->len
;
2789 build_dsdt(tables_blob
, tables
->linker
, &pm
, &misc
,
2790 &pci_hole
, &pci_hole64
, machine
);
2792 /* Count the size of the DSDT and SSDT, we will need it for legacy
2793 * sizing of ACPI tables.
2795 aml_len
+= tables_blob
->len
- dsdt
;
2797 /* ACPI tables pointed to by RSDT */
2798 fadt
= tables_blob
->len
;
2799 acpi_add_table(table_offsets
, tables_blob
);
2800 pm
.fadt
.facs_tbl_offset
= &facs
;
2801 pm
.fadt
.dsdt_tbl_offset
= &dsdt
;
2802 pm
.fadt
.xdsdt_tbl_offset
= &dsdt
;
2803 build_fadt(tables_blob
, tables
->linker
, &pm
.fadt
,
2804 slic_oem
.id
, slic_oem
.table_id
);
2805 aml_len
+= tables_blob
->len
- fadt
;
2807 acpi_add_table(table_offsets
, tables_blob
);
2808 build_madt(tables_blob
, tables
->linker
, pcms
);
2810 vmgenid_dev
= find_vmgenid_dev();
2812 acpi_add_table(table_offsets
, tables_blob
);
2813 vmgenid_build_acpi(VMGENID(vmgenid_dev
), tables_blob
,
2814 tables
->vmgenid
, tables
->linker
);
2817 if (misc
.has_hpet
) {
2818 acpi_add_table(table_offsets
, tables_blob
);
2819 build_hpet(tables_blob
, tables
->linker
);
2821 if (misc
.tpm_version
!= TPM_VERSION_UNSPEC
) {
2822 acpi_add_table(table_offsets
, tables_blob
);
2823 build_tpm_tcpa(tables_blob
, tables
->linker
, tables
->tcpalog
);
2825 if (misc
.tpm_version
== TPM_VERSION_2_0
) {
2826 acpi_add_table(table_offsets
, tables_blob
);
2827 build_tpm2(tables_blob
, tables
->linker
, tables
->tcpalog
);
2830 if (pcms
->numa_nodes
) {
2831 acpi_add_table(table_offsets
, tables_blob
);
2832 build_srat(tables_blob
, tables
->linker
, machine
);
2833 if (machine
->numa_state
->have_numa_distance
) {
2834 acpi_add_table(table_offsets
, tables_blob
);
2835 build_slit(tables_blob
, tables
->linker
, machine
);
2838 if (acpi_get_mcfg(&mcfg
)) {
2839 acpi_add_table(table_offsets
, tables_blob
);
2840 build_mcfg(tables_blob
, tables
->linker
, &mcfg
);
2842 if (x86_iommu_get_default()) {
2843 IommuType IOMMUType
= x86_iommu_get_type();
2844 if (IOMMUType
== TYPE_AMD
) {
2845 acpi_add_table(table_offsets
, tables_blob
);
2846 build_amd_iommu(tables_blob
, tables
->linker
);
2847 } else if (IOMMUType
== TYPE_INTEL
) {
2848 acpi_add_table(table_offsets
, tables_blob
);
2849 build_dmar_q35(tables_blob
, tables
->linker
);
2852 if (machine
->nvdimms_state
->is_enabled
) {
2853 nvdimm_build_acpi(table_offsets
, tables_blob
, tables
->linker
,
2854 machine
->nvdimms_state
, machine
->ram_slots
);
2857 /* Add tables supplied by user (if any) */
2858 for (u
= acpi_table_first(); u
; u
= acpi_table_next(u
)) {
2859 unsigned len
= acpi_table_len(u
);
2861 acpi_add_table(table_offsets
, tables_blob
);
2862 g_array_append_vals(tables_blob
, u
, len
);
2865 /* RSDT is pointed to by RSDP */
2866 rsdt
= tables_blob
->len
;
2867 build_rsdt(tables_blob
, tables
->linker
, table_offsets
,
2868 slic_oem
.id
, slic_oem
.table_id
);
2870 /* RSDP is in FSEG memory, so allocate it separately */
2872 AcpiRsdpData rsdp_data
= {
2874 .oem_id
= ACPI_BUILD_APPNAME6
,
2875 .xsdt_tbl_offset
= NULL
,
2876 .rsdt_tbl_offset
= &rsdt
,
2878 build_rsdp(tables
->rsdp
, tables
->linker
, &rsdp_data
);
2879 if (!pcmc
->rsdp_in_ram
) {
2880 /* We used to allocate some extra space for RSDP revision 2 but
2881 * only used the RSDP revision 0 space. The extra bytes were
2882 * zeroed out and not used.
2883 * Here we continue wasting those extra 16 bytes to make sure we
2884 * don't break migration for machine types 2.2 and older due to
2885 * RSDP blob size mismatch.
2887 build_append_int_noprefix(tables
->rsdp
, 0, 16);
2891 /* We'll expose it all to Guest so we want to reduce
2892 * chance of size changes.
2894 * We used to align the tables to 4k, but of course this would
2895 * too simple to be enough. 4k turned out to be too small an
2896 * alignment very soon, and in fact it is almost impossible to
2897 * keep the table size stable for all (max_cpus, max_memory_slots)
2898 * combinations. So the table size is always 64k for pc-i440fx-2.1
2899 * and we give an error if the table grows beyond that limit.
2901 * We still have the problem of migrating from "-M pc-i440fx-2.0". For
2902 * that, we exploit the fact that QEMU 2.1 generates _smaller_ tables
2903 * than 2.0 and we can always pad the smaller tables with zeros. We can
2904 * then use the exact size of the 2.0 tables.
2906 * All this is for PIIX4, since QEMU 2.0 didn't support Q35 migration.
2908 if (pcmc
->legacy_acpi_table_size
) {
2909 /* Subtracting aml_len gives the size of fixed tables. Then add the
2910 * size of the PIIX4 DSDT/SSDT in QEMU 2.0.
2912 int legacy_aml_len
=
2913 pcmc
->legacy_acpi_table_size
+
2914 ACPI_BUILD_LEGACY_CPU_AML_SIZE
* x86ms
->apic_id_limit
;
2915 int legacy_table_size
=
2916 ROUND_UP(tables_blob
->len
- aml_len
+ legacy_aml_len
,
2917 ACPI_BUILD_ALIGN_SIZE
);
2918 if (tables_blob
->len
> legacy_table_size
) {
2919 /* Should happen only with PCI bridges and -M pc-i440fx-2.0. */
2920 warn_report("ACPI table size %u exceeds %d bytes,"
2921 " migration may not work",
2922 tables_blob
->len
, legacy_table_size
);
2923 error_printf("Try removing CPUs, NUMA nodes, memory slots"
2924 " or PCI bridges.");
2926 g_array_set_size(tables_blob
, legacy_table_size
);
2928 /* Make sure we have a buffer in case we need to resize the tables. */
2929 if (tables_blob
->len
> ACPI_BUILD_TABLE_SIZE
/ 2) {
2930 /* As of QEMU 2.1, this fires with 160 VCPUs and 255 memory slots. */
2931 warn_report("ACPI table size %u exceeds %d bytes,"
2932 " migration may not work",
2933 tables_blob
->len
, ACPI_BUILD_TABLE_SIZE
/ 2);
2934 error_printf("Try removing CPUs, NUMA nodes, memory slots"
2935 " or PCI bridges.");
2937 acpi_align_size(tables_blob
, ACPI_BUILD_TABLE_SIZE
);
2940 acpi_align_size(tables
->linker
->cmd_blob
, ACPI_BUILD_ALIGN_SIZE
);
2942 /* Cleanup memory that's no longer used. */
2943 g_array_free(table_offsets
, true);
2946 static void acpi_ram_update(MemoryRegion
*mr
, GArray
*data
)
2948 uint32_t size
= acpi_data_len(data
);
2950 /* Make sure RAM size is correct - in case it got changed e.g. by migration */
2951 memory_region_ram_resize(mr
, size
, &error_abort
);
2953 memcpy(memory_region_get_ram_ptr(mr
), data
->data
, size
);
2954 memory_region_set_dirty(mr
, 0, size
);
2957 static void acpi_build_update(void *build_opaque
)
2959 AcpiBuildState
*build_state
= build_opaque
;
2960 AcpiBuildTables tables
;
2962 /* No state to update or already patched? Nothing to do. */
2963 if (!build_state
|| build_state
->patched
) {
2966 build_state
->patched
= 1;
2968 acpi_build_tables_init(&tables
);
2970 acpi_build(&tables
, MACHINE(qdev_get_machine()));
2972 acpi_ram_update(build_state
->table_mr
, tables
.table_data
);
2974 if (build_state
->rsdp
) {
2975 memcpy(build_state
->rsdp
, tables
.rsdp
->data
, acpi_data_len(tables
.rsdp
));
2977 acpi_ram_update(build_state
->rsdp_mr
, tables
.rsdp
);
2980 acpi_ram_update(build_state
->linker_mr
, tables
.linker
->cmd_blob
);
2981 acpi_build_tables_cleanup(&tables
, true);
2984 static void acpi_build_reset(void *build_opaque
)
2986 AcpiBuildState
*build_state
= build_opaque
;
2987 build_state
->patched
= 0;
2990 static const VMStateDescription vmstate_acpi_build
= {
2991 .name
= "acpi_build",
2993 .minimum_version_id
= 1,
2994 .fields
= (VMStateField
[]) {
2995 VMSTATE_UINT8(patched
, AcpiBuildState
),
2996 VMSTATE_END_OF_LIST()
3000 void acpi_setup(void)
3002 PCMachineState
*pcms
= PC_MACHINE(qdev_get_machine());
3003 PCMachineClass
*pcmc
= PC_MACHINE_GET_CLASS(pcms
);
3004 X86MachineState
*x86ms
= X86_MACHINE(pcms
);
3005 AcpiBuildTables tables
;
3006 AcpiBuildState
*build_state
;
3007 Object
*vmgenid_dev
;
3009 static FwCfgTPMConfig tpm_config
;
3011 if (!x86ms
->fw_cfg
) {
3012 ACPI_BUILD_DPRINTF("No fw cfg. Bailing out.\n");
3016 if (!pcms
->acpi_build_enabled
) {
3017 ACPI_BUILD_DPRINTF("ACPI build disabled. Bailing out.\n");
3021 if (!acpi_enabled
) {
3022 ACPI_BUILD_DPRINTF("ACPI disabled. Bailing out.\n");
3026 build_state
= g_malloc0(sizeof *build_state
);
3028 acpi_build_tables_init(&tables
);
3029 acpi_build(&tables
, MACHINE(pcms
));
3031 /* Now expose it all to Guest */
3032 build_state
->table_mr
= acpi_add_rom_blob(acpi_build_update
,
3033 build_state
, tables
.table_data
,
3034 ACPI_BUILD_TABLE_FILE
,
3035 ACPI_BUILD_TABLE_MAX_SIZE
);
3036 assert(build_state
->table_mr
!= NULL
);
3038 build_state
->linker_mr
=
3039 acpi_add_rom_blob(acpi_build_update
, build_state
,
3040 tables
.linker
->cmd_blob
, "etc/table-loader", 0);
3042 fw_cfg_add_file(x86ms
->fw_cfg
, ACPI_BUILD_TPMLOG_FILE
,
3043 tables
.tcpalog
->data
, acpi_data_len(tables
.tcpalog
));
3046 if (tpm
&& object_property_get_bool(OBJECT(tpm
), "ppi", &error_abort
)) {
3047 tpm_config
= (FwCfgTPMConfig
) {
3048 .tpmppi_address
= cpu_to_le32(TPM_PPI_ADDR_BASE
),
3049 .tpm_version
= tpm_get_version(tpm
),
3050 .tpmppi_version
= TPM_PPI_VERSION_1_30
3052 fw_cfg_add_file(x86ms
->fw_cfg
, "etc/tpm/config",
3053 &tpm_config
, sizeof tpm_config
);
3056 vmgenid_dev
= find_vmgenid_dev();
3058 vmgenid_add_fw_cfg(VMGENID(vmgenid_dev
), x86ms
->fw_cfg
,
3062 if (!pcmc
->rsdp_in_ram
) {
3064 * Keep for compatibility with old machine types.
3065 * Though RSDP is small, its contents isn't immutable, so
3066 * we'll update it along with the rest of tables on guest access.
3068 uint32_t rsdp_size
= acpi_data_len(tables
.rsdp
);
3070 build_state
->rsdp
= g_memdup(tables
.rsdp
->data
, rsdp_size
);
3071 fw_cfg_add_file_callback(x86ms
->fw_cfg
, ACPI_BUILD_RSDP_FILE
,
3072 acpi_build_update
, NULL
, build_state
,
3073 build_state
->rsdp
, rsdp_size
, true);
3074 build_state
->rsdp_mr
= NULL
;
3076 build_state
->rsdp
= NULL
;
3077 build_state
->rsdp_mr
= acpi_add_rom_blob(acpi_build_update
,
3078 build_state
, tables
.rsdp
,
3079 ACPI_BUILD_RSDP_FILE
, 0);
3082 qemu_register_reset(acpi_build_reset
, build_state
);
3083 acpi_build_reset(build_state
);
3084 vmstate_register(NULL
, 0, &vmstate_acpi_build
, build_state
);
3086 /* Cleanup tables but don't free the memory: we track it
3089 acpi_build_tables_cleanup(&tables
, false);