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() != 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_device
,
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 static QEMUMachine pc_i440fx_machine_v1_6
= {
338 .name
= "pc-i440fx-1.6",
340 .desc
= "Standard PC (i440FX + PIIX, 1996)",
341 .init
= pc_init_pci_1_6
,
342 .hot_add_cpu
= pc_hot_add_cpu
,
345 DEFAULT_MACHINE_OPTIONS
,
348 static QEMUMachine pc_i440fx_machine_v1_5
= {
349 .name
= "pc-i440fx-1.5",
350 .desc
= "Standard PC (i440FX + PIIX, 1996)",
351 .init
= pc_init_pci_1_5
,
352 .hot_add_cpu
= pc_hot_add_cpu
,
354 .compat_props
= (GlobalProperty
[]) {
356 { /* end of list */ }
358 DEFAULT_MACHINE_OPTIONS
,
361 static QEMUMachine pc_i440fx_machine_v1_4
= {
362 .name
= "pc-i440fx-1.4",
363 .desc
= "Standard PC (i440FX + PIIX, 1996)",
364 .init
= pc_init_pci_1_4
,
366 .compat_props
= (GlobalProperty
[]) {
368 { /* end of list */ }
370 DEFAULT_MACHINE_OPTIONS
,
373 #define PC_COMPAT_1_3 \
376 .driver = "usb-tablet",\
377 .property = "usb_version",\
378 .value = stringify(1),\
380 .driver = "virtio-net-pci",\
381 .property = "ctrl_mac_addr",\
384 .driver = "virtio-net-pci", \
389 .property = "autonegotiation",\
393 static QEMUMachine pc_machine_v1_3
= {
395 .desc
= "Standard PC",
396 .init
= pc_init_pci_1_3
,
398 .compat_props
= (GlobalProperty
[]) {
400 { /* end of list */ }
402 DEFAULT_MACHINE_OPTIONS
,
405 #define PC_COMPAT_1_2 \
408 .driver = "nec-usb-xhci",\
412 .driver = "nec-usb-xhci",\
416 .driver = "ivshmem",\
417 .property = "use64",\
421 .property = "revision",\
422 .value = stringify(3),\
424 .driver = "qxl-vga",\
425 .property = "revision",\
426 .value = stringify(3),\
433 static QEMUMachine pc_machine_v1_2
= {
435 .desc
= "Standard PC",
436 .init
= pc_init_pci_1_2
,
438 .compat_props
= (GlobalProperty
[]) {
440 { /* end of list */ }
442 DEFAULT_MACHINE_OPTIONS
,
445 #define PC_COMPAT_1_1 \
448 .driver = "virtio-scsi-pci",\
449 .property = "hotplug",\
452 .driver = "virtio-scsi-pci",\
453 .property = "param_change",\
457 .property = "vgamem_mb",\
458 .value = stringify(8),\
460 .driver = "vmware-svga",\
461 .property = "vgamem_mb",\
462 .value = stringify(8),\
464 .driver = "qxl-vga",\
465 .property = "vgamem_mb",\
466 .value = stringify(8),\
469 .property = "vgamem_mb",\
470 .value = stringify(8),\
472 .driver = "virtio-blk-pci",\
473 .property = "config-wce",\
477 static QEMUMachine pc_machine_v1_1
= {
479 .desc
= "Standard PC",
480 .init
= pc_init_pci_1_2
,
482 .compat_props
= (GlobalProperty
[]) {
484 { /* end of list */ }
486 DEFAULT_MACHINE_OPTIONS
,
489 #define PC_COMPAT_1_0 \
492 .driver = TYPE_ISA_FDC,\
493 .property = "check_media_rate",\
496 .driver = "virtio-balloon-pci",\
497 .property = "class",\
498 .value = stringify(PCI_CLASS_MEMORY_RAM),\
501 .property = "vapic",\
504 .driver = TYPE_USB_DEVICE,\
505 .property = "full-path",\
509 static QEMUMachine pc_machine_v1_0
= {
511 .desc
= "Standard PC",
512 .init
= pc_init_pci_1_2
,
514 .compat_props
= (GlobalProperty
[]) {
516 { /* end of list */ }
519 DEFAULT_MACHINE_OPTIONS
,
522 #define PC_COMPAT_0_15 \
525 static QEMUMachine pc_machine_v0_15
= {
527 .desc
= "Standard PC",
528 .init
= pc_init_pci_1_2
,
530 .compat_props
= (GlobalProperty
[]) {
532 { /* end of list */ }
534 .hw_version
= "0.15",
535 DEFAULT_MACHINE_OPTIONS
,
538 #define PC_COMPAT_0_14 \
541 .driver = "virtio-blk-pci",\
542 .property = "event_idx",\
545 .driver = "virtio-serial-pci",\
546 .property = "event_idx",\
549 .driver = "virtio-net-pci",\
550 .property = "event_idx",\
553 .driver = "virtio-balloon-pci",\
554 .property = "event_idx",\
558 static QEMUMachine pc_machine_v0_14
= {
560 .desc
= "Standard PC",
561 .init
= pc_init_pci_1_2
,
563 .compat_props
= (GlobalProperty
[]) {
567 .property
= "revision",
568 .value
= stringify(2),
571 .property
= "revision",
572 .value
= stringify(2),
574 { /* end of list */ }
576 .hw_version
= "0.14",
577 DEFAULT_MACHINE_OPTIONS
,
580 #define PC_COMPAT_0_13 \
583 .driver = TYPE_PCI_DEVICE,\
584 .property = "command_serr_enable",\
588 .property = "use_broken_id",\
589 .value = stringify(1),\
592 static QEMUMachine pc_machine_v0_13
= {
594 .desc
= "Standard PC",
595 .init
= pc_init_pci_no_kvmclock
,
597 .compat_props
= (GlobalProperty
[]) {
600 .driver
= "virtio-9p-pci",
601 .property
= "vectors",
602 .value
= stringify(0),
605 .property
= "rombar",
606 .value
= stringify(0),
608 .driver
= "vmware-svga",
609 .property
= "rombar",
610 .value
= stringify(0),
612 { /* end of list */ }
614 .hw_version
= "0.13",
615 DEFAULT_MACHINE_OPTIONS
,
618 #define PC_COMPAT_0_12 \
621 .driver = "virtio-serial-pci",\
622 .property = "max_ports",\
623 .value = stringify(1),\
625 .driver = "virtio-serial-pci",\
626 .property = "vectors",\
627 .value = stringify(0),\
629 .driver = "usb-mouse",\
630 .property = "serial",\
633 .driver = "usb-tablet",\
634 .property = "serial",\
637 .driver = "usb-kbd",\
638 .property = "serial",\
642 static QEMUMachine pc_machine_v0_12
= {
644 .desc
= "Standard PC",
645 .init
= pc_init_pci_no_kvmclock
,
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",
661 DEFAULT_MACHINE_OPTIONS
,
664 #define PC_COMPAT_0_11 \
667 .driver = "virtio-blk-pci",\
668 .property = "vectors",\
669 .value = stringify(0),\
671 .driver = TYPE_PCI_DEVICE,\
672 .property = "rombar",\
673 .value = stringify(0),\
676 static QEMUMachine pc_machine_v0_11
= {
678 .desc
= "Standard PC, qemu 0.11",
679 .init
= pc_init_pci_no_kvmclock
,
681 .compat_props
= (GlobalProperty
[]) {
684 .driver
= "ide-drive",
688 .driver
= "scsi-disk",
692 { /* end of list */ }
694 .hw_version
= "0.11",
695 DEFAULT_MACHINE_OPTIONS
,
698 static QEMUMachine pc_machine_v0_10
= {
700 .desc
= "Standard PC, qemu 0.10",
701 .init
= pc_init_pci_no_kvmclock
,
703 .compat_props
= (GlobalProperty
[]) {
706 .driver
= "virtio-blk-pci",
708 .value
= stringify(PCI_CLASS_STORAGE_OTHER
),
710 .driver
= "virtio-serial-pci",
712 .value
= stringify(PCI_CLASS_DISPLAY_OTHER
),
714 .driver
= "virtio-net-pci",
715 .property
= "vectors",
716 .value
= stringify(0),
718 .driver
= "ide-drive",
722 .driver
= "scsi-disk",
726 { /* end of list */ }
728 .hw_version
= "0.10",
729 DEFAULT_MACHINE_OPTIONS
,
732 static QEMUMachine isapc_machine
= {
734 .desc
= "ISA-only PC",
737 .compat_props
= (GlobalProperty
[]) {
738 { /* end of list */ }
740 DEFAULT_MACHINE_OPTIONS
,
744 static QEMUMachine xenfv_machine
= {
746 .desc
= "Xen Fully-virtualized PC",
747 .init
= pc_xen_hvm_init
,
748 .max_cpus
= HVM_MAX_VCPUS
,
749 .default_machine_opts
= "accel=xen",
750 DEFAULT_MACHINE_OPTIONS
,
754 static void pc_machine_init(void)
756 qemu_register_machine(&pc_i440fx_machine_v1_6
);
757 qemu_register_machine(&pc_i440fx_machine_v1_5
);
758 qemu_register_machine(&pc_i440fx_machine_v1_4
);
759 qemu_register_machine(&pc_machine_v1_3
);
760 qemu_register_machine(&pc_machine_v1_2
);
761 qemu_register_machine(&pc_machine_v1_1
);
762 qemu_register_machine(&pc_machine_v1_0
);
763 qemu_register_machine(&pc_machine_v0_15
);
764 qemu_register_machine(&pc_machine_v0_14
);
765 qemu_register_machine(&pc_machine_v0_13
);
766 qemu_register_machine(&pc_machine_v0_12
);
767 qemu_register_machine(&pc_machine_v0_11
);
768 qemu_register_machine(&pc_machine_v0_10
);
769 qemu_register_machine(&isapc_machine
);
771 qemu_register_machine(&xenfv_machine
);
775 machine_init(pc_machine_init
);