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;
63 /* PC hardware initialisation */
64 static void pc_init1(QEMUMachineInitArgs
*args
,
68 MemoryRegion
*system_memory
= get_system_memory();
69 MemoryRegion
*system_io
= get_system_io();
71 ram_addr_t below_4g_mem_size
, above_4g_mem_size
;
74 PCII440FXState
*i440fx_state
;
81 DriveInfo
*hd
[MAX_IDE_BUS
* MAX_IDE_DEVS
];
82 BusState
*idebus
[MAX_IDE_BUS
];
85 MemoryRegion
*ram_memory
;
86 MemoryRegion
*pci_memory
;
87 MemoryRegion
*rom_memory
;
88 DeviceState
*icc_bridge
;
89 FWCfgState
*fw_cfg
= NULL
;
90 PcGuestInfo
*guest_info
;
92 if (xen_enabled() && xen_hvm_init(&ram_memory
) != 0) {
93 fprintf(stderr
, "xen hardware virtual machine initialisation failed\n");
97 icc_bridge
= qdev_create(NULL
, TYPE_ICC_BRIDGE
);
98 object_property_add_child(qdev_get_machine(), "icc-bridge",
99 OBJECT(icc_bridge
), NULL
);
101 pc_cpus_init(args
->cpu_model
, icc_bridge
);
103 if (kvm_enabled() && kvmclock_enabled
) {
107 if (args
->ram_size
>= 0xe0000000) {
108 above_4g_mem_size
= args
->ram_size
- 0xe0000000;
109 below_4g_mem_size
= 0xe0000000;
111 above_4g_mem_size
= 0;
112 below_4g_mem_size
= args
->ram_size
;
116 pci_memory
= g_new(MemoryRegion
, 1);
117 memory_region_init(pci_memory
, NULL
, "pci", INT64_MAX
);
118 rom_memory
= pci_memory
;
121 rom_memory
= system_memory
;
124 guest_info
= pc_guest_info_init(below_4g_mem_size
, above_4g_mem_size
);
125 guest_info
->has_pci_info
= has_pci_info
;
126 guest_info
->isapc_ram_fw
= !pci_enabled
;
128 /* allocate ram and load rom/bios */
129 if (!xen_enabled()) {
130 fw_cfg
= pc_memory_init(system_memory
,
131 args
->kernel_filename
, args
->kernel_cmdline
,
132 args
->initrd_filename
,
133 below_4g_mem_size
, above_4g_mem_size
,
134 rom_memory
, &ram_memory
, guest_info
);
137 gsi_state
= g_malloc0(sizeof(*gsi_state
));
138 if (kvm_irqchip_in_kernel()) {
139 kvm_pc_setup_irq_routing(pci_enabled
);
140 gsi
= qemu_allocate_irqs(kvm_pc_gsi_handler
, gsi_state
,
143 gsi
= qemu_allocate_irqs(gsi_handler
, gsi_state
, GSI_NUM_PINS
);
147 pci_bus
= i440fx_init(&i440fx_state
, &piix3_devfn
, &isa_bus
, gsi
,
148 system_memory
, system_io
, args
->ram_size
,
150 0x100000000ULL
- below_4g_mem_size
,
152 pci_memory
, ram_memory
);
156 isa_bus
= isa_bus_new(NULL
, system_io
);
159 isa_bus_irqs(isa_bus
, gsi
);
161 if (kvm_irqchip_in_kernel()) {
162 i8259
= kvm_i8259_init(isa_bus
);
163 } else if (xen_enabled()) {
164 i8259
= xen_interrupt_controller_init();
166 cpu_irq
= pc_allocate_cpu_irq();
167 i8259
= i8259_init(isa_bus
, cpu_irq
[0]);
170 for (i
= 0; i
< ISA_NUM_IRQS
; i
++) {
171 gsi_state
->i8259_irq
[i
] = i8259
[i
];
174 ioapic_init_gsi(gsi_state
, "i440fx");
176 qdev_init_nofail(icc_bridge
);
178 pc_register_ferr_irq(gsi
[13]);
180 pc_vga_init(isa_bus
, pci_enabled
? pci_bus
: NULL
);
182 /* init basic PC hardware */
183 pc_basic_device_init(isa_bus
, gsi
, &rtc_state
, &floppy
, xen_enabled());
185 pc_nic_init(isa_bus
, pci_bus
);
187 ide_drive_get(hd
, MAX_IDE_BUS
);
191 dev
= pci_piix3_xen_ide_init(pci_bus
, hd
, piix3_devfn
+ 1);
193 dev
= pci_piix3_ide_init(pci_bus
, hd
, piix3_devfn
+ 1);
195 idebus
[0] = qdev_get_child_bus(&dev
->qdev
, "ide.0");
196 idebus
[1] = qdev_get_child_bus(&dev
->qdev
, "ide.1");
198 for(i
= 0; i
< MAX_IDE_BUS
; i
++) {
200 dev
= isa_ide_init(isa_bus
, ide_iobase
[i
], ide_iobase2
[i
],
202 hd
[MAX_IDE_DEVS
* i
], hd
[MAX_IDE_DEVS
* i
+ 1]);
203 idebus
[i
] = qdev_get_child_bus(DEVICE(dev
), "ide.0");
207 pc_cmos_init(below_4g_mem_size
, above_4g_mem_size
, args
->boot_order
,
208 floppy
, idebus
[0], idebus
[1], rtc_state
);
210 if (pci_enabled
&& usb_enabled(false)) {
211 pci_create_simple(pci_bus
, piix3_devfn
+ 2, "piix3-usb-uhci");
214 if (pci_enabled
&& acpi_enabled
) {
217 smi_irq
= qemu_allocate_irqs(pc_acpi_smi_interrupt
, first_cpu
, 1);
218 /* TODO: Populate SPD eeprom data. */
219 smbus
= piix4_pm_init(pci_bus
, piix3_devfn
+ 3, 0xb100,
221 kvm_enabled(), fw_cfg
);
222 smbus_eeprom_init(smbus
, 8, NULL
, 0);
226 pc_pci_device_init(pci_bus
);
230 pvpanic_init(isa_bus
);
234 static void pc_init_pci(QEMUMachineInitArgs
*args
)
236 pc_init1(args
, 1, 1);
239 static void pc_compat_1_6(QEMUMachineInitArgs
*args
)
241 has_pci_info
= false;
242 rom_file_in_ram
= false;
245 static void pc_compat_1_5(QEMUMachineInitArgs
*args
)
251 static void pc_compat_1_4(QEMUMachineInitArgs
*args
)
255 x86_cpu_compat_set_features("n270", FEAT_1_ECX
, 0, CPUID_EXT_MOVBE
);
256 x86_cpu_compat_set_features("Westmere", FEAT_1_ECX
, 0, CPUID_EXT_PCLMULQDQ
);
259 static void pc_compat_1_3(QEMUMachineInitArgs
*args
)
262 enable_compat_apic_id_mode();
265 /* PC compat function for pc-0.14 to pc-1.2 */
266 static void pc_compat_1_2(QEMUMachineInitArgs
*args
)
269 disable_kvm_pv_eoi();
272 static void pc_init_pci_1_6(QEMUMachineInitArgs
*args
)
278 static void pc_init_pci_1_5(QEMUMachineInitArgs
*args
)
284 static void pc_init_pci_1_4(QEMUMachineInitArgs
*args
)
290 static void pc_init_pci_1_3(QEMUMachineInitArgs
*args
)
296 /* PC machine init function for pc-0.14 to pc-1.2 */
297 static void pc_init_pci_1_2(QEMUMachineInitArgs
*args
)
303 /* PC init function for pc-0.10 to pc-0.13, and reused by xenfv */
304 static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs
*args
)
306 has_pci_info
= false;
307 disable_kvm_pv_eoi();
308 enable_compat_apic_id_mode();
309 pc_init1(args
, 1, 0);
312 static void pc_init_isa(QEMUMachineInitArgs
*args
)
314 has_pci_info
= false;
315 if (!args
->cpu_model
) {
316 args
->cpu_model
= "486";
318 disable_kvm_pv_eoi();
319 enable_compat_apic_id_mode();
320 pc_init1(args
, 0, 1);
324 static void pc_xen_hvm_init(QEMUMachineInitArgs
*args
)
330 bus
= pci_find_primary_bus();
332 pci_create_simple(bus
, -1, "xen-platform");
337 #define PC_I440FX_MACHINE_OPTIONS \
338 PC_DEFAULT_MACHINE_OPTIONS, \
339 .desc = "Standard PC (i440FX + PIIX, 1996)", \
340 .hot_add_cpu = pc_hot_add_cpu
342 #define PC_I440FX_1_7_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
343 static QEMUMachine pc_i440fx_machine_v1_7
= {
344 PC_I440FX_1_7_MACHINE_OPTIONS
,
345 .name
= "pc-i440fx-1.7",
351 #define PC_I440FX_1_6_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
353 static QEMUMachine pc_i440fx_machine_v1_6
= {
354 PC_I440FX_1_6_MACHINE_OPTIONS
,
355 .name
= "pc-i440fx-1.6",
356 .init
= pc_init_pci_1_6
,
357 .compat_props
= (GlobalProperty
[]) {
359 { /* end of list */ }
363 static QEMUMachine pc_i440fx_machine_v1_5
= {
364 PC_I440FX_1_6_MACHINE_OPTIONS
,
365 .name
= "pc-i440fx-1.5",
366 .init
= pc_init_pci_1_5
,
367 .compat_props
= (GlobalProperty
[]) {
369 { /* end of list */ }
373 #define PC_I440FX_1_4_MACHINE_OPTIONS \
374 PC_I440FX_1_6_MACHINE_OPTIONS, \
377 static QEMUMachine pc_i440fx_machine_v1_4
= {
378 PC_I440FX_1_4_MACHINE_OPTIONS
,
379 .name
= "pc-i440fx-1.4",
380 .init
= pc_init_pci_1_4
,
381 .compat_props
= (GlobalProperty
[]) {
383 { /* end of list */ }
387 #define PC_COMPAT_1_3 \
390 .driver = "usb-tablet",\
391 .property = "usb_version",\
392 .value = stringify(1),\
394 .driver = "virtio-net-pci",\
395 .property = "ctrl_mac_addr",\
398 .driver = "virtio-net-pci", \
403 .property = "autonegotiation",\
407 static QEMUMachine pc_machine_v1_3
= {
408 PC_I440FX_1_4_MACHINE_OPTIONS
,
410 .init
= pc_init_pci_1_3
,
411 .compat_props
= (GlobalProperty
[]) {
413 { /* end of list */ }
417 #define PC_COMPAT_1_2 \
420 .driver = "nec-usb-xhci",\
424 .driver = "nec-usb-xhci",\
428 .driver = "ivshmem",\
429 .property = "use64",\
433 .property = "revision",\
434 .value = stringify(3),\
436 .driver = "qxl-vga",\
437 .property = "revision",\
438 .value = stringify(3),\
445 #define PC_I440FX_1_2_MACHINE_OPTIONS \
446 PC_I440FX_1_4_MACHINE_OPTIONS, \
447 .init = pc_init_pci_1_2
449 static QEMUMachine pc_machine_v1_2
= {
450 PC_I440FX_1_2_MACHINE_OPTIONS
,
452 .compat_props
= (GlobalProperty
[]) {
454 { /* end of list */ }
458 #define PC_COMPAT_1_1 \
461 .driver = "virtio-scsi-pci",\
462 .property = "hotplug",\
465 .driver = "virtio-scsi-pci",\
466 .property = "param_change",\
470 .property = "vgamem_mb",\
471 .value = stringify(8),\
473 .driver = "vmware-svga",\
474 .property = "vgamem_mb",\
475 .value = stringify(8),\
477 .driver = "qxl-vga",\
478 .property = "vgamem_mb",\
479 .value = stringify(8),\
482 .property = "vgamem_mb",\
483 .value = stringify(8),\
485 .driver = "virtio-blk-pci",\
486 .property = "config-wce",\
490 static QEMUMachine pc_machine_v1_1
= {
491 PC_I440FX_1_2_MACHINE_OPTIONS
,
493 .compat_props
= (GlobalProperty
[]) {
495 { /* end of list */ }
499 #define PC_COMPAT_1_0 \
502 .driver = TYPE_ISA_FDC,\
503 .property = "check_media_rate",\
506 .driver = "virtio-balloon-pci",\
507 .property = "class",\
508 .value = stringify(PCI_CLASS_MEMORY_RAM),\
511 .property = "vapic",\
514 .driver = TYPE_USB_DEVICE,\
515 .property = "full-path",\
519 static QEMUMachine pc_machine_v1_0
= {
520 PC_I440FX_1_2_MACHINE_OPTIONS
,
522 .compat_props
= (GlobalProperty
[]) {
524 { /* end of list */ }
529 #define PC_COMPAT_0_15 \
532 static QEMUMachine pc_machine_v0_15
= {
533 PC_I440FX_1_2_MACHINE_OPTIONS
,
535 .compat_props
= (GlobalProperty
[]) {
537 { /* end of list */ }
539 .hw_version
= "0.15",
542 #define PC_COMPAT_0_14 \
545 .driver = "virtio-blk-pci",\
546 .property = "event_idx",\
549 .driver = "virtio-serial-pci",\
550 .property = "event_idx",\
553 .driver = "virtio-net-pci",\
554 .property = "event_idx",\
557 .driver = "virtio-balloon-pci",\
558 .property = "event_idx",\
562 static QEMUMachine pc_machine_v0_14
= {
563 PC_I440FX_1_2_MACHINE_OPTIONS
,
565 .compat_props
= (GlobalProperty
[]) {
569 .property
= "revision",
570 .value
= stringify(2),
573 .property
= "revision",
574 .value
= stringify(2),
576 { /* end of list */ }
578 .hw_version
= "0.14",
581 #define PC_COMPAT_0_13 \
584 .driver = TYPE_PCI_DEVICE,\
585 .property = "command_serr_enable",\
589 .property = "use_broken_id",\
590 .value = stringify(1),\
593 #define PC_I440FX_0_13_MACHINE_OPTIONS \
594 PC_I440FX_1_2_MACHINE_OPTIONS, \
595 .init = pc_init_pci_no_kvmclock
597 static QEMUMachine pc_machine_v0_13
= {
598 PC_I440FX_0_13_MACHINE_OPTIONS
,
600 .compat_props
= (GlobalProperty
[]) {
603 .driver
= "virtio-9p-pci",
604 .property
= "vectors",
605 .value
= stringify(0),
608 .property
= "rombar",
609 .value
= stringify(0),
611 .driver
= "vmware-svga",
612 .property
= "rombar",
613 .value
= stringify(0),
615 { /* end of list */ }
617 .hw_version
= "0.13",
620 #define PC_COMPAT_0_12 \
623 .driver = "virtio-serial-pci",\
624 .property = "max_ports",\
625 .value = stringify(1),\
627 .driver = "virtio-serial-pci",\
628 .property = "vectors",\
629 .value = stringify(0),\
631 .driver = "usb-mouse",\
632 .property = "serial",\
635 .driver = "usb-tablet",\
636 .property = "serial",\
639 .driver = "usb-kbd",\
640 .property = "serial",\
644 static QEMUMachine pc_machine_v0_12
= {
645 PC_I440FX_0_13_MACHINE_OPTIONS
,
647 .compat_props
= (GlobalProperty
[]) {
651 .property
= "rombar",
652 .value
= stringify(0),
654 .driver
= "vmware-svga",
655 .property
= "rombar",
656 .value
= stringify(0),
658 { /* end of list */ }
660 .hw_version
= "0.12",
663 #define PC_COMPAT_0_11 \
666 .driver = "virtio-blk-pci",\
667 .property = "vectors",\
668 .value = stringify(0),\
670 .driver = TYPE_PCI_DEVICE,\
671 .property = "rombar",\
672 .value = stringify(0),\
675 static QEMUMachine pc_machine_v0_11
= {
676 PC_I440FX_0_13_MACHINE_OPTIONS
,
678 .compat_props
= (GlobalProperty
[]) {
681 .driver
= "ide-drive",
685 .driver
= "scsi-disk",
689 { /* end of list */ }
691 .hw_version
= "0.11",
694 static QEMUMachine pc_machine_v0_10
= {
695 PC_I440FX_0_13_MACHINE_OPTIONS
,
697 .compat_props
= (GlobalProperty
[]) {
700 .driver
= "virtio-blk-pci",
702 .value
= stringify(PCI_CLASS_STORAGE_OTHER
),
704 .driver
= "virtio-serial-pci",
706 .value
= stringify(PCI_CLASS_DISPLAY_OTHER
),
708 .driver
= "virtio-net-pci",
709 .property
= "vectors",
710 .value
= stringify(0),
712 .driver
= "ide-drive",
716 .driver
= "scsi-disk",
720 { /* end of list */ }
722 .hw_version
= "0.10",
725 static QEMUMachine isapc_machine
= {
726 PC_COMMON_MACHINE_OPTIONS
,
728 .desc
= "ISA-only PC",
731 .compat_props
= (GlobalProperty
[]) {
732 { /* end of list */ }
737 static QEMUMachine xenfv_machine
= {
738 PC_COMMON_MACHINE_OPTIONS
,
740 .desc
= "Xen Fully-virtualized PC",
741 .init
= pc_xen_hvm_init
,
742 .max_cpus
= HVM_MAX_VCPUS
,
743 .default_machine_opts
= "accel=xen",
747 static void pc_machine_init(void)
749 qemu_register_machine(&pc_i440fx_machine_v1_7
);
750 qemu_register_machine(&pc_i440fx_machine_v1_6
);
751 qemu_register_machine(&pc_i440fx_machine_v1_5
);
752 qemu_register_machine(&pc_i440fx_machine_v1_4
);
753 qemu_register_machine(&pc_machine_v1_3
);
754 qemu_register_machine(&pc_machine_v1_2
);
755 qemu_register_machine(&pc_machine_v1_1
);
756 qemu_register_machine(&pc_machine_v1_0
);
757 qemu_register_machine(&pc_machine_v0_15
);
758 qemu_register_machine(&pc_machine_v0_14
);
759 qemu_register_machine(&pc_machine_v0_13
);
760 qemu_register_machine(&pc_machine_v0_12
);
761 qemu_register_machine(&pc_machine_v0_11
);
762 qemu_register_machine(&pc_machine_v0_10
);
763 qemu_register_machine(&isapc_machine
);
765 qemu_register_machine(&xenfv_machine
);
769 machine_init(pc_machine_init
);