2
* QEMU i440FX/PIIX3 PCI Bridge Emulation
4
* Copyright (c) 2006 Fabrice Bellard
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
26
#include "hw/i386/pc.h"
27
#include "hw/pci/pci.h"
28
#include "hw/pci/pci_host.h"
29
#include "hw/isa/isa.h"
30
#include "hw/sysbus.h"
31
#include "qemu/range.h"
32
#include "hw/xen/xen.h"
33
#include "hw/pci-host/pam.h"
34
#include "sysemu/sysemu.h"
35
#include "hw/i386/ioapic.h"
36
#include "qapi/visitor.h"
39
* I440FX chipset data sheet.
40
* http://download.intel.com/design/chipsets/datashts/29054901.pdf
43
#define TYPE_I440FX_PCI_HOST_BRIDGE "i440FX-pcihost"
44
#define I440FX_PCI_HOST_BRIDGE(obj) \
45
OBJECT_CHECK(I440FXState, (obj), TYPE_I440FX_PCI_HOST_BRIDGE)
47
typedef struct I440FXState {
48
PCIHostState parent_obj;
50
uint64_t pci_hole64_size;
53
#define PIIX_NUM_PIC_IRQS 16 /* i8259 * 2 */
54
#define PIIX_NUM_PIRQS 4ULL /* PIRQ[A-D] */
55
#define XEN_PIIX_NUM_PIRQS 128ULL
56
#define PIIX_PIRQC 0x60
59
* Reset Control Register: PCI-accessible ISA-Compatible Register at address
60
* 0xcf9, provided by the PCI/ISA bridge (PIIX3 PCI function 0, 8086:7000).
62
#define RCR_IOPORT 0xcf9
64
typedef struct PIIX3State {
68
* bitmap to track pic levels.
69
* The pic level is the logical OR of all the PCI irqs mapped to it
70
* So one PIC level is tracked by PIIX_NUM_PIRQS bits.
72
* PIRQ is mapped to PIC pins, we track it by
73
* PIIX_NUM_PIRQS * PIIX_NUM_PIC_IRQS = 64 bits with
74
* pic_irq * PIIX_NUM_PIRQS + pirq
76
#if PIIX_NUM_PIC_IRQS * PIIX_NUM_PIRQS > 64
77
#error "unable to encode pic state in 64bit in pic_levels."
83
/* This member isn't used. Just for save/load compatibility */
84
int32_t pci_irq_levels_vmstate[PIIX_NUM_PIRQS];
86
/* Reset Control Register contents */
89
/* IO memory region for Reset Control Register (RCR_IOPORT) */
93
#define TYPE_I440FX_PCI_DEVICE "i440FX"
94
#define I440FX_PCI_DEVICE(obj) \
95
OBJECT_CHECK(PCII440FXState, (obj), TYPE_I440FX_PCI_DEVICE)
97
struct PCII440FXState {
102
MemoryRegion *system_memory;
103
MemoryRegion *pci_address_space;
104
MemoryRegion *ram_memory;
105
MemoryRegion pci_hole;
106
MemoryRegion pci_hole_64bit;
107
PAMMemoryRegion pam_regions[13];
108
MemoryRegion smram_region;
113
#define I440FX_PAM 0x59
114
#define I440FX_PAM_SIZE 7
115
#define I440FX_SMRAM 0x72
117
static void piix3_set_irq(void *opaque, int pirq, int level);
118
static PCIINTxRoute piix3_route_intx_pin_to_irq(void *opaque, int pci_intx);
119
static void piix3_write_config_xen(PCIDevice *dev,
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uint32_t address, uint32_t val, int len);
122
/* return the global irq number corresponding to a given device irq
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pin. We could also use the bus number to have a more precise
125
static int pci_slot_get_pirq(PCIDevice *pci_dev, int pci_intx)
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slot_addend = (pci_dev->devfn >> 3) - 1;
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return (pci_intx + slot_addend) & 3;
132
static void i440fx_update_memory_mappings(PCII440FXState *d)
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PCIDevice *pd = PCI_DEVICE(d);
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memory_region_transaction_begin();
138
for (i = 0; i < 13; i++) {
139
pam_update(&d->pam_regions[i], i,
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pd->config[I440FX_PAM + ((i + 1) / 2)]);
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smram_update(&d->smram_region, pd->config[I440FX_SMRAM], d->smm_enabled);
143
memory_region_transaction_commit();
146
static void i440fx_set_smm(int val, void *arg)
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PCII440FXState *d = arg;
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PCIDevice *pd = PCI_DEVICE(d);
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memory_region_transaction_begin();
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smram_set_smm(&d->smm_enabled, val, pd->config[I440FX_SMRAM],
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memory_region_transaction_commit();
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static void i440fx_write_config(PCIDevice *dev,
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uint32_t address, uint32_t val, int len)
161
PCII440FXState *d = I440FX_PCI_DEVICE(dev);
163
/* XXX: implement SMRAM.D_LOCK */
164
pci_default_write_config(dev, address, val, len);
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if (ranges_overlap(address, len, I440FX_PAM, I440FX_PAM_SIZE) ||
166
range_covers_byte(address, len, I440FX_SMRAM)) {
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i440fx_update_memory_mappings(d);
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static int i440fx_load_old(QEMUFile* f, void *opaque, int version_id)
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PCII440FXState *d = opaque;
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PCIDevice *pd = PCI_DEVICE(d);
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ret = pci_device_load(pd, f);
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i440fx_update_memory_mappings(d);
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qemu_get_8s(f, &d->smm_enabled);
183
if (version_id == 2) {
184
for (i = 0; i < PIIX_NUM_PIRQS; i++) {
185
qemu_get_be32(f); /* dummy load for compatibility */
192
static int i440fx_post_load(void *opaque, int version_id)
194
PCII440FXState *d = opaque;
196
i440fx_update_memory_mappings(d);
200
static const VMStateDescription vmstate_i440fx = {
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.minimum_version_id = 3,
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.minimum_version_id_old = 1,
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.load_state_old = i440fx_load_old,
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.post_load = i440fx_post_load,
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.fields = (VMStateField []) {
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VMSTATE_PCI_DEVICE(parent_obj, PCII440FXState),
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VMSTATE_UINT8(smm_enabled, PCII440FXState),
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VMSTATE_END_OF_LIST()
214
static void i440fx_pcihost_get_pci_hole_start(Object *obj, Visitor *v,
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void *opaque, const char *name,
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I440FXState *s = I440FX_PCI_HOST_BRIDGE(obj);
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uint32_t value = s->pci_info.w32.begin;
221
visit_type_uint32(v, &value, name, errp);
224
static void i440fx_pcihost_get_pci_hole_end(Object *obj, Visitor *v,
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void *opaque, const char *name,
228
I440FXState *s = I440FX_PCI_HOST_BRIDGE(obj);
229
uint32_t value = s->pci_info.w32.end;
231
visit_type_uint32(v, &value, name, errp);
234
static void i440fx_pcihost_get_pci_hole64_start(Object *obj, Visitor *v,
235
void *opaque, const char *name,
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I440FXState *s = I440FX_PCI_HOST_BRIDGE(obj);
240
visit_type_uint64(v, &s->pci_info.w64.begin, name, errp);
243
static void i440fx_pcihost_get_pci_hole64_end(Object *obj, Visitor *v,
244
void *opaque, const char *name,
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I440FXState *s = I440FX_PCI_HOST_BRIDGE(obj);
249
visit_type_uint64(v, &s->pci_info.w64.end, name, errp);
252
static void i440fx_pcihost_initfn(Object *obj)
254
PCIHostState *s = PCI_HOST_BRIDGE(obj);
255
I440FXState *d = I440FX_PCI_HOST_BRIDGE(obj);
257
memory_region_init_io(&s->conf_mem, obj, &pci_host_conf_le_ops, s,
259
memory_region_init_io(&s->data_mem, obj, &pci_host_data_le_ops, s,
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object_property_add(obj, PCI_HOST_PROP_PCI_HOLE_START, "int",
263
i440fx_pcihost_get_pci_hole_start,
264
NULL, NULL, NULL, NULL);
266
object_property_add(obj, PCI_HOST_PROP_PCI_HOLE_END, "int",
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i440fx_pcihost_get_pci_hole_end,
268
NULL, NULL, NULL, NULL);
270
object_property_add(obj, PCI_HOST_PROP_PCI_HOLE64_START, "int",
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i440fx_pcihost_get_pci_hole64_start,
272
NULL, NULL, NULL, NULL);
274
object_property_add(obj, PCI_HOST_PROP_PCI_HOLE64_END, "int",
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i440fx_pcihost_get_pci_hole64_end,
276
NULL, NULL, NULL, NULL);
278
d->pci_info.w32.end = IO_APIC_DEFAULT_ADDRESS;
281
static void i440fx_pcihost_realize(DeviceState *dev, Error **errp)
283
PCIHostState *s = PCI_HOST_BRIDGE(dev);
284
SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
286
sysbus_add_io(sbd, 0xcf8, &s->conf_mem);
287
sysbus_init_ioports(sbd, 0xcf8, 4);
289
sysbus_add_io(sbd, 0xcfc, &s->data_mem);
290
sysbus_init_ioports(sbd, 0xcfc, 4);
293
static int i440fx_initfn(PCIDevice *dev)
295
PCII440FXState *d = I440FX_PCI_DEVICE(dev);
297
dev->config[I440FX_SMRAM] = 0x02;
299
cpu_smm_register(&i440fx_set_smm, d);
303
PCIBus *i440fx_init(PCII440FXState **pi440fx_state,
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ISABus **isa_bus, qemu_irq *pic,
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MemoryRegion *address_space_mem,
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MemoryRegion *address_space_io,
309
hwaddr pci_hole_start,
310
hwaddr pci_hole_size,
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ram_addr_t above_4g_mem_size,
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MemoryRegion *pci_address_space,
313
MemoryRegion *ram_memory)
324
dev = qdev_create(NULL, TYPE_I440FX_PCI_HOST_BRIDGE);
325
s = PCI_HOST_BRIDGE(dev);
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b = pci_bus_new(dev, NULL, pci_address_space,
327
address_space_io, 0, TYPE_PCI_BUS);
329
object_property_add_child(qdev_get_machine(), "i440fx", OBJECT(dev), NULL);
330
qdev_init_nofail(dev);
332
d = pci_create_simple(b, 0, TYPE_I440FX_PCI_DEVICE);
333
*pi440fx_state = I440FX_PCI_DEVICE(d);
335
f->system_memory = address_space_mem;
336
f->pci_address_space = pci_address_space;
337
f->ram_memory = ram_memory;
339
i440fx = I440FX_PCI_HOST_BRIDGE(dev);
340
/* Set PCI window size the way seabios has always done it. */
341
/* Power of 2 so bios can cover it with a single MTRR */
342
if (ram_size <= 0x80000000) {
343
i440fx->pci_info.w32.begin = 0x80000000;
344
} else if (ram_size <= 0xc0000000) {
345
i440fx->pci_info.w32.begin = 0xc0000000;
347
i440fx->pci_info.w32.begin = 0xe0000000;
350
memory_region_init_alias(&f->pci_hole, OBJECT(d), "pci-hole", f->pci_address_space,
351
pci_hole_start, pci_hole_size);
352
memory_region_add_subregion(f->system_memory, pci_hole_start, &f->pci_hole);
354
pc_init_pci64_hole(&i440fx->pci_info, 0x100000000ULL + above_4g_mem_size,
355
i440fx->pci_hole64_size);
356
memory_region_init_alias(&f->pci_hole_64bit, OBJECT(d), "pci-hole64",
357
f->pci_address_space,
358
i440fx->pci_info.w64.begin,
359
i440fx->pci_hole64_size);
360
if (i440fx->pci_hole64_size) {
361
memory_region_add_subregion(f->system_memory,
362
i440fx->pci_info.w64.begin,
365
memory_region_init_alias(&f->smram_region, OBJECT(d), "smram-region",
366
f->pci_address_space, 0xa0000, 0x20000);
367
memory_region_add_subregion_overlap(f->system_memory, 0xa0000,
368
&f->smram_region, 1);
369
memory_region_set_enabled(&f->smram_region, false);
370
init_pam(dev, f->ram_memory, f->system_memory, f->pci_address_space,
371
&f->pam_regions[0], PAM_BIOS_BASE, PAM_BIOS_SIZE);
372
for (i = 0; i < 12; ++i) {
373
init_pam(dev, f->ram_memory, f->system_memory, f->pci_address_space,
374
&f->pam_regions[i+1], PAM_EXPAN_BASE + i * PAM_EXPAN_SIZE,
378
/* Xen supports additional interrupt routes from the PCI devices to
379
* the IOAPIC: the four pins of each PCI device on the bus are also
380
* connected to the IOAPIC directly.
381
* These additional routes can be discovered through ACPI. */
383
piix3 = DO_UPCAST(PIIX3State, dev,
384
pci_create_simple_multifunction(b, -1, true, "PIIX3-xen"));
385
pci_bus_irqs(b, xen_piix3_set_irq, xen_pci_slot_get_pirq,
386
piix3, XEN_PIIX_NUM_PIRQS);
388
piix3 = DO_UPCAST(PIIX3State, dev,
389
pci_create_simple_multifunction(b, -1, true, "PIIX3"));
390
pci_bus_irqs(b, piix3_set_irq, pci_slot_get_pirq, piix3,
392
pci_bus_set_route_irq_fn(b, piix3_route_intx_pin_to_irq);
395
*isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(piix3), "isa.0"));
397
*piix3_devfn = piix3->dev.devfn;
399
ram_size = ram_size / 8 / 1024 / 1024;
400
if (ram_size > 255) {
403
d->config[0x57] = ram_size;
405
i440fx_update_memory_mappings(f);
410
/* PIIX3 PCI to ISA bridge */
411
static void piix3_set_irq_pic(PIIX3State *piix3, int pic_irq)
413
qemu_set_irq(piix3->pic[pic_irq],
414
!!(piix3->pic_levels &
415
(((1ULL << PIIX_NUM_PIRQS) - 1) <<
416
(pic_irq * PIIX_NUM_PIRQS))));
419
static void piix3_set_irq_level(PIIX3State *piix3, int pirq, int level)
424
pic_irq = piix3->dev.config[PIIX_PIRQC + pirq];
425
if (pic_irq >= PIIX_NUM_PIC_IRQS) {
429
mask = 1ULL << ((pic_irq * PIIX_NUM_PIRQS) + pirq);
430
piix3->pic_levels &= ~mask;
431
piix3->pic_levels |= mask * !!level;
433
piix3_set_irq_pic(piix3, pic_irq);
436
static void piix3_set_irq(void *opaque, int pirq, int level)
438
PIIX3State *piix3 = opaque;
439
piix3_set_irq_level(piix3, pirq, level);
442
static PCIINTxRoute piix3_route_intx_pin_to_irq(void *opaque, int pin)
444
PIIX3State *piix3 = opaque;
445
int irq = piix3->dev.config[PIIX_PIRQC + pin];
448
if (irq < PIIX_NUM_PIC_IRQS) {
449
route.mode = PCI_INTX_ENABLED;
452
route.mode = PCI_INTX_DISABLED;
458
/* irq routing is changed. so rebuild bitmap */
459
static void piix3_update_irq_levels(PIIX3State *piix3)
463
piix3->pic_levels = 0;
464
for (pirq = 0; pirq < PIIX_NUM_PIRQS; pirq++) {
465
piix3_set_irq_level(piix3, pirq,
466
pci_bus_get_irq_level(piix3->dev.bus, pirq));
470
static void piix3_write_config(PCIDevice *dev,
471
uint32_t address, uint32_t val, int len)
473
pci_default_write_config(dev, address, val, len);
474
if (ranges_overlap(address, len, PIIX_PIRQC, 4)) {
475
PIIX3State *piix3 = DO_UPCAST(PIIX3State, dev, dev);
478
pci_bus_fire_intx_routing_notifier(piix3->dev.bus);
479
piix3_update_irq_levels(piix3);
480
for (pic_irq = 0; pic_irq < PIIX_NUM_PIC_IRQS; pic_irq++) {
481
piix3_set_irq_pic(piix3, pic_irq);
486
static void piix3_write_config_xen(PCIDevice *dev,
487
uint32_t address, uint32_t val, int len)
489
xen_piix_pci_write_config_client(address, val, len);
490
piix3_write_config(dev, address, val, len);
493
static void piix3_reset(void *opaque)
495
PIIX3State *d = opaque;
496
uint8_t *pci_conf = d->dev.config;
498
pci_conf[0x04] = 0x07; /* master, memory and I/O */
499
pci_conf[0x05] = 0x00;
500
pci_conf[0x06] = 0x00;
501
pci_conf[0x07] = 0x02; /* PCI_status_devsel_medium */
502
pci_conf[0x4c] = 0x4d;
503
pci_conf[0x4e] = 0x03;
504
pci_conf[0x4f] = 0x00;
505
pci_conf[0x60] = 0x80;
506
pci_conf[0x61] = 0x80;
507
pci_conf[0x62] = 0x80;
508
pci_conf[0x63] = 0x80;
509
pci_conf[0x69] = 0x02;
510
pci_conf[0x70] = 0x80;
511
pci_conf[0x76] = 0x0c;
512
pci_conf[0x77] = 0x0c;
513
pci_conf[0x78] = 0x02;
514
pci_conf[0x79] = 0x00;
515
pci_conf[0x80] = 0x00;
516
pci_conf[0x82] = 0x00;
517
pci_conf[0xa0] = 0x08;
518
pci_conf[0xa2] = 0x00;
519
pci_conf[0xa3] = 0x00;
520
pci_conf[0xa4] = 0x00;
521
pci_conf[0xa5] = 0x00;
522
pci_conf[0xa6] = 0x00;
523
pci_conf[0xa7] = 0x00;
524
pci_conf[0xa8] = 0x0f;
525
pci_conf[0xaa] = 0x00;
526
pci_conf[0xab] = 0x00;
527
pci_conf[0xac] = 0x00;
528
pci_conf[0xae] = 0x00;
534
static int piix3_post_load(void *opaque, int version_id)
536
PIIX3State *piix3 = opaque;
537
piix3_update_irq_levels(piix3);
541
static void piix3_pre_save(void *opaque)
544
PIIX3State *piix3 = opaque;
546
for (i = 0; i < ARRAY_SIZE(piix3->pci_irq_levels_vmstate); i++) {
547
piix3->pci_irq_levels_vmstate[i] =
548
pci_bus_get_irq_level(piix3->dev.bus, i);
552
static bool piix3_rcr_needed(void *opaque)
554
PIIX3State *piix3 = opaque;
556
return (piix3->rcr != 0);
559
static const VMStateDescription vmstate_piix3_rcr = {
562
.minimum_version_id = 1,
563
.fields = (VMStateField []) {
564
VMSTATE_UINT8(rcr, PIIX3State),
565
VMSTATE_END_OF_LIST()
569
static const VMStateDescription vmstate_piix3 = {
572
.minimum_version_id = 2,
573
.minimum_version_id_old = 2,
574
.post_load = piix3_post_load,
575
.pre_save = piix3_pre_save,
576
.fields = (VMStateField[]) {
577
VMSTATE_PCI_DEVICE(dev, PIIX3State),
578
VMSTATE_INT32_ARRAY_V(pci_irq_levels_vmstate, PIIX3State,
580
VMSTATE_END_OF_LIST()
582
.subsections = (VMStateSubsection[]) {
584
.vmsd = &vmstate_piix3_rcr,
585
.needed = piix3_rcr_needed,
592
static void rcr_write(void *opaque, hwaddr addr, uint64_t val, unsigned len)
594
PIIX3State *d = opaque;
597
qemu_system_reset_request();
600
d->rcr = val & 2; /* keep System Reset type only */
603
static uint64_t rcr_read(void *opaque, hwaddr addr, unsigned len)
605
PIIX3State *d = opaque;
610
static const MemoryRegionOps rcr_ops = {
613
.endianness = DEVICE_LITTLE_ENDIAN
616
static int piix3_initfn(PCIDevice *dev)
618
PIIX3State *d = DO_UPCAST(PIIX3State, dev, dev);
620
isa_bus_new(DEVICE(d), pci_address_space_io(dev));
622
memory_region_init_io(&d->rcr_mem, OBJECT(dev), &rcr_ops, d,
623
"piix3-reset-control", 1);
624
memory_region_add_subregion_overlap(pci_address_space_io(dev), RCR_IOPORT,
627
qemu_register_reset(piix3_reset, d);
631
static void piix3_class_init(ObjectClass *klass, void *data)
633
DeviceClass *dc = DEVICE_CLASS(klass);
634
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
636
dc->desc = "ISA bridge";
637
dc->vmsd = &vmstate_piix3;
640
k->init = piix3_initfn;
641
k->config_write = piix3_write_config;
642
k->vendor_id = PCI_VENDOR_ID_INTEL;
643
/* 82371SB PIIX3 PCI-to-ISA bridge (Step A1) */
644
k->device_id = PCI_DEVICE_ID_INTEL_82371SB_0;
645
k->class_id = PCI_CLASS_BRIDGE_ISA;
648
static const TypeInfo piix3_info = {
650
.parent = TYPE_PCI_DEVICE,
651
.instance_size = sizeof(PIIX3State),
652
.class_init = piix3_class_init,
655
static void piix3_xen_class_init(ObjectClass *klass, void *data)
657
DeviceClass *dc = DEVICE_CLASS(klass);
658
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
660
dc->desc = "ISA bridge";
661
dc->vmsd = &vmstate_piix3;
664
k->init = piix3_initfn;
665
k->config_write = piix3_write_config_xen;
666
k->vendor_id = PCI_VENDOR_ID_INTEL;
667
/* 82371SB PIIX3 PCI-to-ISA bridge (Step A1) */
668
k->device_id = PCI_DEVICE_ID_INTEL_82371SB_0;
669
k->class_id = PCI_CLASS_BRIDGE_ISA;
672
static const TypeInfo piix3_xen_info = {
674
.parent = TYPE_PCI_DEVICE,
675
.instance_size = sizeof(PIIX3State),
676
.class_init = piix3_xen_class_init,
679
static void i440fx_class_init(ObjectClass *klass, void *data)
681
DeviceClass *dc = DEVICE_CLASS(klass);
682
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
685
k->init = i440fx_initfn;
686
k->config_write = i440fx_write_config;
687
k->vendor_id = PCI_VENDOR_ID_INTEL;
688
k->device_id = PCI_DEVICE_ID_INTEL_82441;
690
k->class_id = PCI_CLASS_BRIDGE_HOST;
691
dc->desc = "Host bridge";
693
dc->vmsd = &vmstate_i440fx;
696
static const TypeInfo i440fx_info = {
697
.name = TYPE_I440FX_PCI_DEVICE,
698
.parent = TYPE_PCI_DEVICE,
699
.instance_size = sizeof(PCII440FXState),
700
.class_init = i440fx_class_init,
703
static const char *i440fx_pcihost_root_bus_path(PCIHostState *host_bridge,
706
/* For backwards compat with old device paths */
710
static Property i440fx_props[] = {
711
DEFINE_PROP_SIZE(PCI_HOST_PROP_PCI_HOLE64_SIZE, I440FXState,
712
pci_hole64_size, DEFAULT_PCI_HOLE64_SIZE),
713
DEFINE_PROP_END_OF_LIST(),
716
static void i440fx_pcihost_class_init(ObjectClass *klass, void *data)
718
DeviceClass *dc = DEVICE_CLASS(klass);
719
PCIHostBridgeClass *hc = PCI_HOST_BRIDGE_CLASS(klass);
721
hc->root_bus_path = i440fx_pcihost_root_bus_path;
722
dc->realize = i440fx_pcihost_realize;
725
dc->props = i440fx_props;
728
static const TypeInfo i440fx_pcihost_info = {
729
.name = TYPE_I440FX_PCI_HOST_BRIDGE,
730
.parent = TYPE_PCI_HOST_BRIDGE,
731
.instance_size = sizeof(I440FXState),
732
.instance_init = i440fx_pcihost_initfn,
733
.class_init = i440fx_pcihost_class_init,
736
static void i440fx_register_types(void)
738
type_register_static(&i440fx_info);
739
type_register_static(&piix3_info);
740
type_register_static(&piix3_xen_info);
741
type_register_static(&i440fx_pcihost_info);
744
type_init(i440fx_register_types)