2 * QEMU PC System Emulator
4 * Copyright (c) 2003-2004 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
28 #include "hw/loader.h"
29 #include "hw/i386/pc.h"
30 #include "hw/i386/apic.h"
31 #include "hw/pci/pci.h"
32 #include "hw/pci/pci_ids.h"
35 #include "hw/boards.h"
37 #include "sysemu/kvm.h"
38 #include "hw/kvm/clock.h"
39 #include "sysemu/sysemu.h"
40 #include "hw/sysbus.h"
41 #include "hw/cpu/icc_bus.h"
42 #include "sysemu/arch_init.h"
43 #include "sysemu/blockdev.h"
44 #include "hw/i2c/smbus.h"
45 #include "hw/xen/xen.h"
46 #include "exec/memory.h"
47 #include "exec/address-spaces.h"
48 #include "hw/acpi/acpi.h"
51 # include <xen/hvm/hvm_info_table.h>
56 static const int ide_iobase
[MAX_IDE_BUS
] = { 0x1f0, 0x170 };
57 static const int ide_iobase2
[MAX_IDE_BUS
] = { 0x3f6, 0x376 };
58 static const int ide_irq
[MAX_IDE_BUS
] = { 14, 15 };
60 static bool has_pvpanic
;
61 static bool has_pci_info
= true;
62 static bool has_acpi_build
= true;
64 /* PC hardware initialisation */
65 static void pc_init1(QEMUMachineInitArgs
*args
,
69 MemoryRegion
*system_memory
= get_system_memory();
70 MemoryRegion
*system_io
= get_system_io();
72 ram_addr_t below_4g_mem_size
, above_4g_mem_size
;
75 PCII440FXState
*i440fx_state
;
82 DriveInfo
*hd
[MAX_IDE_BUS
* MAX_IDE_DEVS
];
83 BusState
*idebus
[MAX_IDE_BUS
];
86 MemoryRegion
*ram_memory
;
87 MemoryRegion
*pci_memory
;
88 MemoryRegion
*rom_memory
;
89 DeviceState
*icc_bridge
;
90 FWCfgState
*fw_cfg
= NULL
;
91 PcGuestInfo
*guest_info
;
93 if (xen_enabled() && xen_hvm_init(&ram_memory
) != 0) {
94 fprintf(stderr
, "xen hardware virtual machine initialisation failed\n");
98 icc_bridge
= qdev_create(NULL
, TYPE_ICC_BRIDGE
);
99 object_property_add_child(qdev_get_machine(), "icc-bridge",
100 OBJECT(icc_bridge
), NULL
);
102 pc_cpus_init(args
->cpu_model
, icc_bridge
);
104 if (kvm_enabled() && kvmclock_enabled
) {
108 if (args
->ram_size
>= 0xe0000000) {
109 above_4g_mem_size
= args
->ram_size
- 0xe0000000;
110 below_4g_mem_size
= 0xe0000000;
112 above_4g_mem_size
= 0;
113 below_4g_mem_size
= args
->ram_size
;
117 pci_memory
= g_new(MemoryRegion
, 1);
118 memory_region_init(pci_memory
, NULL
, "pci", INT64_MAX
);
119 rom_memory
= pci_memory
;
122 rom_memory
= system_memory
;
125 guest_info
= pc_guest_info_init(below_4g_mem_size
, above_4g_mem_size
);
127 guest_info
->has_acpi_build
= has_acpi_build
;
129 guest_info
->has_pci_info
= has_pci_info
;
130 guest_info
->isapc_ram_fw
= !pci_enabled
;
132 /* allocate ram and load rom/bios */
133 if (!xen_enabled()) {
134 fw_cfg
= pc_memory_init(system_memory
,
135 args
->kernel_filename
, args
->kernel_cmdline
,
136 args
->initrd_filename
,
137 below_4g_mem_size
, above_4g_mem_size
,
138 rom_memory
, &ram_memory
, guest_info
);
141 gsi_state
= g_malloc0(sizeof(*gsi_state
));
142 if (kvm_irqchip_in_kernel()) {
143 kvm_pc_setup_irq_routing(pci_enabled
);
144 gsi
= qemu_allocate_irqs(kvm_pc_gsi_handler
, gsi_state
,
147 gsi
= qemu_allocate_irqs(gsi_handler
, gsi_state
, GSI_NUM_PINS
);
151 pci_bus
= i440fx_init(&i440fx_state
, &piix3_devfn
, &isa_bus
, gsi
,
152 system_memory
, system_io
, args
->ram_size
,
154 0x100000000ULL
- below_4g_mem_size
,
156 pci_memory
, ram_memory
);
160 isa_bus
= isa_bus_new(NULL
, system_io
);
163 isa_bus_irqs(isa_bus
, gsi
);
165 if (kvm_irqchip_in_kernel()) {
166 i8259
= kvm_i8259_init(isa_bus
);
167 } else if (xen_enabled()) {
168 i8259
= xen_interrupt_controller_init();
170 cpu_irq
= pc_allocate_cpu_irq();
171 i8259
= i8259_init(isa_bus
, cpu_irq
[0]);
174 for (i
= 0; i
< ISA_NUM_IRQS
; i
++) {
175 gsi_state
->i8259_irq
[i
] = i8259
[i
];
178 ioapic_init_gsi(gsi_state
, "i440fx");
180 qdev_init_nofail(icc_bridge
);
182 pc_register_ferr_irq(gsi
[13]);
184 pc_vga_init(isa_bus
, pci_enabled
? pci_bus
: NULL
);
186 /* init basic PC hardware */
187 pc_basic_device_init(isa_bus
, gsi
, &rtc_state
, &floppy
, xen_enabled());
189 pc_nic_init(isa_bus
, pci_bus
);
191 ide_drive_get(hd
, MAX_IDE_BUS
);
195 dev
= pci_piix3_xen_ide_init(pci_bus
, hd
, piix3_devfn
+ 1);
197 dev
= pci_piix3_ide_init(pci_bus
, hd
, piix3_devfn
+ 1);
199 idebus
[0] = qdev_get_child_bus(&dev
->qdev
, "ide.0");
200 idebus
[1] = qdev_get_child_bus(&dev
->qdev
, "ide.1");
202 for(i
= 0; i
< MAX_IDE_BUS
; i
++) {
204 dev
= isa_ide_init(isa_bus
, ide_iobase
[i
], ide_iobase2
[i
],
206 hd
[MAX_IDE_DEVS
* i
], hd
[MAX_IDE_DEVS
* i
+ 1]);
207 idebus
[i
] = qdev_get_child_bus(DEVICE(dev
), "ide.0");
211 pc_cmos_init(below_4g_mem_size
, above_4g_mem_size
, args
->boot_order
,
212 floppy
, idebus
[0], idebus
[1], rtc_state
);
214 if (pci_enabled
&& usb_enabled(false)) {
215 pci_create_simple(pci_bus
, piix3_devfn
+ 2, "piix3-usb-uhci");
218 if (pci_enabled
&& acpi_enabled
) {
221 smi_irq
= qemu_allocate_irqs(pc_acpi_smi_interrupt
, first_cpu
, 1);
222 /* TODO: Populate SPD eeprom data. */
223 smbus
= piix4_pm_init(pci_bus
, piix3_devfn
+ 3, 0xb100,
225 kvm_enabled(), fw_cfg
);
226 smbus_eeprom_init(smbus
, 8, NULL
, 0);
230 pc_pci_device_init(pci_bus
);
234 pvpanic_init(isa_bus
);
238 static void pc_init_pci(QEMUMachineInitArgs
*args
)
240 pc_init1(args
, 1, 1);
243 static void pc_compat_1_6(QEMUMachineInitArgs
*args
)
245 has_pci_info
= false;
246 rom_file_in_ram
= false;
247 has_acpi_build
= false;
250 static void pc_compat_1_5(QEMUMachineInitArgs
*args
)
256 static void pc_compat_1_4(QEMUMachineInitArgs
*args
)
260 x86_cpu_compat_set_features("n270", FEAT_1_ECX
, 0, CPUID_EXT_MOVBE
);
261 x86_cpu_compat_set_features("Westmere", FEAT_1_ECX
, 0, CPUID_EXT_PCLMULQDQ
);
264 static void pc_compat_1_3(QEMUMachineInitArgs
*args
)
267 enable_compat_apic_id_mode();
270 /* PC compat function for pc-0.14 to pc-1.2 */
271 static void pc_compat_1_2(QEMUMachineInitArgs
*args
)
274 disable_kvm_pv_eoi();
277 static void pc_init_pci_1_6(QEMUMachineInitArgs
*args
)
283 static void pc_init_pci_1_5(QEMUMachineInitArgs
*args
)
289 static void pc_init_pci_1_4(QEMUMachineInitArgs
*args
)
295 static void pc_init_pci_1_3(QEMUMachineInitArgs
*args
)
301 /* PC machine init function for pc-0.14 to pc-1.2 */
302 static void pc_init_pci_1_2(QEMUMachineInitArgs
*args
)
308 /* PC init function for pc-0.10 to pc-0.13, and reused by xenfv */
309 static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs
*args
)
311 has_pci_info
= false;
312 has_acpi_build
= false;
313 disable_kvm_pv_eoi();
314 enable_compat_apic_id_mode();
315 pc_init1(args
, 1, 0);
318 static void pc_init_isa(QEMUMachineInitArgs
*args
)
320 has_pci_info
= false;
321 has_acpi_build
= false;
322 if (!args
->cpu_model
) {
323 args
->cpu_model
= "486";
325 disable_kvm_pv_eoi();
326 enable_compat_apic_id_mode();
327 pc_init1(args
, 0, 1);
331 static void pc_xen_hvm_init(QEMUMachineInitArgs
*args
)
337 bus
= pci_find_primary_bus();
339 pci_create_simple(bus
, -1, "xen-platform");
344 #define PC_I440FX_MACHINE_OPTIONS \
345 PC_DEFAULT_MACHINE_OPTIONS, \
346 .desc = "Standard PC (i440FX + PIIX, 1996)", \
347 .hot_add_cpu = pc_hot_add_cpu
349 #define PC_I440FX_1_7_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
350 static QEMUMachine pc_i440fx_machine_v1_7
= {
351 PC_I440FX_1_7_MACHINE_OPTIONS
,
352 .name
= "pc-i440fx-1.7",
358 #define PC_I440FX_1_6_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
360 static QEMUMachine pc_i440fx_machine_v1_6
= {
361 PC_I440FX_1_6_MACHINE_OPTIONS
,
362 .name
= "pc-i440fx-1.6",
363 .init
= pc_init_pci_1_6
,
364 .compat_props
= (GlobalProperty
[]) {
366 { /* end of list */ }
370 static QEMUMachine pc_i440fx_machine_v1_5
= {
371 PC_I440FX_1_6_MACHINE_OPTIONS
,
372 .name
= "pc-i440fx-1.5",
373 .init
= pc_init_pci_1_5
,
374 .compat_props
= (GlobalProperty
[]) {
376 { /* end of list */ }
380 #define PC_I440FX_1_4_MACHINE_OPTIONS \
381 PC_I440FX_1_6_MACHINE_OPTIONS, \
384 static QEMUMachine pc_i440fx_machine_v1_4
= {
385 PC_I440FX_1_4_MACHINE_OPTIONS
,
386 .name
= "pc-i440fx-1.4",
387 .init
= pc_init_pci_1_4
,
388 .compat_props
= (GlobalProperty
[]) {
390 { /* end of list */ }
394 #define PC_COMPAT_1_3 \
397 .driver = "usb-tablet",\
398 .property = "usb_version",\
399 .value = stringify(1),\
401 .driver = "virtio-net-pci",\
402 .property = "ctrl_mac_addr",\
405 .driver = "virtio-net-pci", \
410 .property = "autonegotiation",\
414 static QEMUMachine pc_machine_v1_3
= {
415 PC_I440FX_1_4_MACHINE_OPTIONS
,
417 .init
= pc_init_pci_1_3
,
418 .compat_props
= (GlobalProperty
[]) {
420 { /* end of list */ }
424 #define PC_COMPAT_1_2 \
427 .driver = "nec-usb-xhci",\
431 .driver = "nec-usb-xhci",\
435 .driver = "ivshmem",\
436 .property = "use64",\
440 .property = "revision",\
441 .value = stringify(3),\
443 .driver = "qxl-vga",\
444 .property = "revision",\
445 .value = stringify(3),\
452 #define PC_I440FX_1_2_MACHINE_OPTIONS \
453 PC_I440FX_1_4_MACHINE_OPTIONS, \
454 .init = pc_init_pci_1_2
456 static QEMUMachine pc_machine_v1_2
= {
457 PC_I440FX_1_2_MACHINE_OPTIONS
,
459 .compat_props
= (GlobalProperty
[]) {
461 { /* end of list */ }
465 #define PC_COMPAT_1_1 \
468 .driver = "virtio-scsi-pci",\
469 .property = "hotplug",\
472 .driver = "virtio-scsi-pci",\
473 .property = "param_change",\
477 .property = "vgamem_mb",\
478 .value = stringify(8),\
480 .driver = "vmware-svga",\
481 .property = "vgamem_mb",\
482 .value = stringify(8),\
484 .driver = "qxl-vga",\
485 .property = "vgamem_mb",\
486 .value = stringify(8),\
489 .property = "vgamem_mb",\
490 .value = stringify(8),\
492 .driver = "virtio-blk-pci",\
493 .property = "config-wce",\
497 static QEMUMachine pc_machine_v1_1
= {
498 PC_I440FX_1_2_MACHINE_OPTIONS
,
500 .compat_props
= (GlobalProperty
[]) {
502 { /* end of list */ }
506 #define PC_COMPAT_1_0 \
509 .driver = TYPE_ISA_FDC,\
510 .property = "check_media_rate",\
513 .driver = "virtio-balloon-pci",\
514 .property = "class",\
515 .value = stringify(PCI_CLASS_MEMORY_RAM),\
518 .property = "vapic",\
521 .driver = TYPE_USB_DEVICE,\
522 .property = "full-path",\
526 static QEMUMachine pc_machine_v1_0
= {
527 PC_I440FX_1_2_MACHINE_OPTIONS
,
529 .compat_props
= (GlobalProperty
[]) {
531 { /* end of list */ }
536 #define PC_COMPAT_0_15 \
539 static QEMUMachine pc_machine_v0_15
= {
540 PC_I440FX_1_2_MACHINE_OPTIONS
,
542 .compat_props
= (GlobalProperty
[]) {
544 { /* end of list */ }
546 .hw_version
= "0.15",
549 #define PC_COMPAT_0_14 \
552 .driver = "virtio-blk-pci",\
553 .property = "event_idx",\
556 .driver = "virtio-serial-pci",\
557 .property = "event_idx",\
560 .driver = "virtio-net-pci",\
561 .property = "event_idx",\
564 .driver = "virtio-balloon-pci",\
565 .property = "event_idx",\
569 static QEMUMachine pc_machine_v0_14
= {
570 PC_I440FX_1_2_MACHINE_OPTIONS
,
572 .compat_props
= (GlobalProperty
[]) {
576 .property
= "revision",
577 .value
= stringify(2),
580 .property
= "revision",
581 .value
= stringify(2),
583 { /* end of list */ }
585 .hw_version
= "0.14",
588 #define PC_COMPAT_0_13 \
591 .driver = TYPE_PCI_DEVICE,\
592 .property = "command_serr_enable",\
596 .property = "use_broken_id",\
597 .value = stringify(1),\
600 #define PC_I440FX_0_13_MACHINE_OPTIONS \
601 PC_I440FX_1_2_MACHINE_OPTIONS, \
602 .init = pc_init_pci_no_kvmclock
604 static QEMUMachine pc_machine_v0_13
= {
605 PC_I440FX_0_13_MACHINE_OPTIONS
,
607 .compat_props
= (GlobalProperty
[]) {
610 .driver
= "virtio-9p-pci",
611 .property
= "vectors",
612 .value
= stringify(0),
615 .property
= "rombar",
616 .value
= stringify(0),
618 .driver
= "vmware-svga",
619 .property
= "rombar",
620 .value
= stringify(0),
622 { /* end of list */ }
624 .hw_version
= "0.13",
627 #define PC_COMPAT_0_12 \
630 .driver = "virtio-serial-pci",\
631 .property = "max_ports",\
632 .value = stringify(1),\
634 .driver = "virtio-serial-pci",\
635 .property = "vectors",\
636 .value = stringify(0),\
638 .driver = "usb-mouse",\
639 .property = "serial",\
642 .driver = "usb-tablet",\
643 .property = "serial",\
646 .driver = "usb-kbd",\
647 .property = "serial",\
651 static QEMUMachine pc_machine_v0_12
= {
652 PC_I440FX_0_13_MACHINE_OPTIONS
,
654 .compat_props
= (GlobalProperty
[]) {
658 .property
= "rombar",
659 .value
= stringify(0),
661 .driver
= "vmware-svga",
662 .property
= "rombar",
663 .value
= stringify(0),
665 { /* end of list */ }
667 .hw_version
= "0.12",
670 #define PC_COMPAT_0_11 \
673 .driver = "virtio-blk-pci",\
674 .property = "vectors",\
675 .value = stringify(0),\
677 .driver = TYPE_PCI_DEVICE,\
678 .property = "rombar",\
679 .value = stringify(0),\
682 static QEMUMachine pc_machine_v0_11
= {
683 PC_I440FX_0_13_MACHINE_OPTIONS
,
685 .compat_props
= (GlobalProperty
[]) {
688 .driver
= "ide-drive",
692 .driver
= "scsi-disk",
696 { /* end of list */ }
698 .hw_version
= "0.11",
701 static QEMUMachine pc_machine_v0_10
= {
702 PC_I440FX_0_13_MACHINE_OPTIONS
,
704 .compat_props
= (GlobalProperty
[]) {
707 .driver
= "virtio-blk-pci",
709 .value
= stringify(PCI_CLASS_STORAGE_OTHER
),
711 .driver
= "virtio-serial-pci",
713 .value
= stringify(PCI_CLASS_DISPLAY_OTHER
),
715 .driver
= "virtio-net-pci",
716 .property
= "vectors",
717 .value
= stringify(0),
719 .driver
= "ide-drive",
723 .driver
= "scsi-disk",
727 { /* end of list */ }
729 .hw_version
= "0.10",
732 static QEMUMachine isapc_machine
= {
733 PC_COMMON_MACHINE_OPTIONS
,
735 .desc
= "ISA-only PC",
738 .compat_props
= (GlobalProperty
[]) {
739 { /* end of list */ }
744 static QEMUMachine xenfv_machine
= {
745 PC_COMMON_MACHINE_OPTIONS
,
747 .desc
= "Xen Fully-virtualized PC",
748 .init
= pc_xen_hvm_init
,
749 .max_cpus
= HVM_MAX_VCPUS
,
750 .default_machine_opts
= "accel=xen",
751 .hot_add_cpu
= pc_hot_add_cpu
,
755 static void pc_machine_init(void)
757 qemu_register_machine(&pc_i440fx_machine_v1_7
);
758 qemu_register_machine(&pc_i440fx_machine_v1_6
);
759 qemu_register_machine(&pc_i440fx_machine_v1_5
);
760 qemu_register_machine(&pc_i440fx_machine_v1_4
);
761 qemu_register_machine(&pc_machine_v1_3
);
762 qemu_register_machine(&pc_machine_v1_2
);
763 qemu_register_machine(&pc_machine_v1_1
);
764 qemu_register_machine(&pc_machine_v1_0
);
765 qemu_register_machine(&pc_machine_v0_15
);
766 qemu_register_machine(&pc_machine_v0_14
);
767 qemu_register_machine(&pc_machine_v0_13
);
768 qemu_register_machine(&pc_machine_v0_12
);
769 qemu_register_machine(&pc_machine_v0_11
);
770 qemu_register_machine(&pc_machine_v0_10
);
771 qemu_register_machine(&isapc_machine
);
773 qemu_register_machine(&xenfv_machine
);
777 machine_init(pc_machine_init
);