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
37 #include "kvm/clock.h"
40 #include "arch_init.h"
45 #include "exec-memory.h"
47 # include <xen/hvm/hvm_info_table.h>
52 static const int ide_iobase
[MAX_IDE_BUS
] = { 0x1f0, 0x170 };
53 static const int ide_iobase2
[MAX_IDE_BUS
] = { 0x3f6, 0x376 };
54 static const int ide_irq
[MAX_IDE_BUS
] = { 14, 15 };
56 static void kvm_piix3_setup_irq_routing(bool pci_enabled
)
59 KVMState
*s
= kvm_state
;
62 if (kvm_check_extension(s
, KVM_CAP_IRQ_ROUTING
)) {
63 for (i
= 0; i
< 8; ++i
) {
67 kvm_irqchip_add_irq_route(s
, i
, KVM_IRQCHIP_PIC_MASTER
, i
);
69 for (i
= 8; i
< 16; ++i
) {
70 kvm_irqchip_add_irq_route(s
, i
, KVM_IRQCHIP_PIC_SLAVE
, i
- 8);
73 for (i
= 0; i
< 24; ++i
) {
75 kvm_irqchip_add_irq_route(s
, i
, KVM_IRQCHIP_IOAPIC
, 2);
77 kvm_irqchip_add_irq_route(s
, i
, KVM_IRQCHIP_IOAPIC
, i
);
82 #endif /* CONFIG_KVM */
85 static void kvm_piix3_gsi_handler(void *opaque
, int n
, int level
)
89 if (n
< ISA_NUM_IRQS
) {
90 /* Kernel will forward to both PIC and IOAPIC */
91 qemu_set_irq(s
->i8259_irq
[n
], level
);
93 qemu_set_irq(s
->ioapic_irq
[n
], level
);
97 static void ioapic_init(GSIState
*gsi_state
)
103 if (kvm_irqchip_in_kernel()) {
104 dev
= qdev_create(NULL
, "kvm-ioapic");
106 dev
= qdev_create(NULL
, "ioapic");
108 /* FIXME: this should be under the piix3. */
109 object_property_add_child(object_resolve_path("i440fx", NULL
),
110 "ioapic", OBJECT(dev
), NULL
);
111 qdev_init_nofail(dev
);
112 d
= sysbus_from_qdev(dev
);
113 sysbus_mmio_map(d
, 0, 0xfec00000);
115 for (i
= 0; i
< IOAPIC_NUM_PINS
; i
++) {
116 gsi_state
->ioapic_irq
[i
] = qdev_get_gpio_in(dev
, i
);
120 /* PC hardware initialisation */
121 static void pc_init1(MemoryRegion
*system_memory
,
122 MemoryRegion
*system_io
,
124 const char *boot_device
,
125 const char *kernel_filename
,
126 const char *kernel_cmdline
,
127 const char *initrd_filename
,
128 const char *cpu_model
,
130 int kvmclock_enabled
)
133 ram_addr_t below_4g_mem_size
, above_4g_mem_size
;
136 PCII440FXState
*i440fx_state
;
137 int piix3_devfn
= -1;
143 DriveInfo
*hd
[MAX_IDE_BUS
* MAX_IDE_DEVS
];
144 BusState
*idebus
[MAX_IDE_BUS
];
145 ISADevice
*rtc_state
;
147 MemoryRegion
*ram_memory
;
148 MemoryRegion
*pci_memory
;
149 MemoryRegion
*rom_memory
;
152 pc_cpus_init(cpu_model
);
154 if (kvmclock_enabled
) {
158 if (ram_size
>= 0xe0000000 ) {
159 above_4g_mem_size
= ram_size
- 0xe0000000;
160 below_4g_mem_size
= 0xe0000000;
162 above_4g_mem_size
= 0;
163 below_4g_mem_size
= ram_size
;
167 pci_memory
= g_new(MemoryRegion
, 1);
168 memory_region_init(pci_memory
, "pci", INT64_MAX
);
169 rom_memory
= pci_memory
;
172 rom_memory
= system_memory
;
175 /* allocate ram and load rom/bios */
176 if (!xen_enabled()) {
177 fw_cfg
= pc_memory_init(system_memory
,
178 kernel_filename
, kernel_cmdline
, initrd_filename
,
179 below_4g_mem_size
, above_4g_mem_size
,
180 pci_enabled
? rom_memory
: system_memory
, &ram_memory
);
183 gsi_state
= g_malloc0(sizeof(*gsi_state
));
184 if (kvm_irqchip_in_kernel()) {
185 kvm_piix3_setup_irq_routing(pci_enabled
);
186 gsi
= qemu_allocate_irqs(kvm_piix3_gsi_handler
, gsi_state
,
189 gsi
= qemu_allocate_irqs(gsi_handler
, gsi_state
, GSI_NUM_PINS
);
193 pci_bus
= i440fx_init(&i440fx_state
, &piix3_devfn
, &isa_bus
, gsi
,
194 system_memory
, system_io
, ram_size
,
196 0x100000000ULL
- below_4g_mem_size
,
197 0x100000000ULL
+ above_4g_mem_size
,
200 : ((uint64_t)1 << 62)),
201 pci_memory
, ram_memory
);
205 isa_bus
= isa_bus_new(NULL
, system_io
);
208 isa_bus_irqs(isa_bus
, gsi
);
210 if (kvm_irqchip_in_kernel()) {
211 i8259
= kvm_i8259_init(isa_bus
);
212 } else if (xen_enabled()) {
213 i8259
= xen_interrupt_controller_init();
215 cpu_irq
= pc_allocate_cpu_irq();
216 i8259
= i8259_init(isa_bus
, cpu_irq
[0]);
219 for (i
= 0; i
< ISA_NUM_IRQS
; i
++) {
220 gsi_state
->i8259_irq
[i
] = i8259
[i
];
223 ioapic_init(gsi_state
);
226 pc_register_ferr_irq(gsi
[13]);
228 pc_vga_init(isa_bus
, pci_enabled
? pci_bus
: NULL
);
230 pci_create_simple(pci_bus
, -1, "xen-platform");
233 /* init basic PC hardware */
234 pc_basic_device_init(isa_bus
, gsi
, &rtc_state
, &floppy
, xen_enabled());
236 for(i
= 0; i
< nb_nics
; i
++) {
237 NICInfo
*nd
= &nd_table
[i
];
239 if (!pci_enabled
|| (nd
->model
&& strcmp(nd
->model
, "ne2k_isa") == 0))
240 pc_init_ne2k_isa(isa_bus
, nd
);
242 pci_nic_init_nofail(nd
, "e1000", NULL
);
245 ide_drive_get(hd
, MAX_IDE_BUS
);
249 dev
= pci_piix3_xen_ide_init(pci_bus
, hd
, piix3_devfn
+ 1);
251 dev
= pci_piix3_ide_init(pci_bus
, hd
, piix3_devfn
+ 1);
253 idebus
[0] = qdev_get_child_bus(&dev
->qdev
, "ide.0");
254 idebus
[1] = qdev_get_child_bus(&dev
->qdev
, "ide.1");
256 for(i
= 0; i
< MAX_IDE_BUS
; i
++) {
258 dev
= isa_ide_init(isa_bus
, ide_iobase
[i
], ide_iobase2
[i
],
260 hd
[MAX_IDE_DEVS
* i
], hd
[MAX_IDE_DEVS
* i
+ 1]);
261 idebus
[i
] = qdev_get_child_bus(&dev
->qdev
, "ide.0");
265 audio_init(isa_bus
, pci_enabled
? pci_bus
: NULL
);
267 pc_cmos_init(below_4g_mem_size
, above_4g_mem_size
, boot_device
,
268 floppy
, idebus
[0], idebus
[1], rtc_state
);
270 if (pci_enabled
&& usb_enabled(false)) {
271 pci_create_simple(pci_bus
, piix3_devfn
+ 2, "piix3-usb-uhci");
274 if (pci_enabled
&& acpi_enabled
) {
277 smi_irq
= qemu_allocate_irqs(pc_acpi_smi_interrupt
, first_cpu
, 1);
278 /* TODO: Populate SPD eeprom data. */
279 smbus
= piix4_pm_init(pci_bus
, piix3_devfn
+ 3, 0xb100,
281 kvm_enabled(), fw_cfg
);
282 smbus_eeprom_init(smbus
, 8, NULL
, 0);
286 pc_pci_device_init(pci_bus
);
290 static void pc_init_pci(QEMUMachineInitArgs
*args
)
292 ram_addr_t ram_size
= args
->ram_size
;
293 const char *cpu_model
= args
->cpu_model
;
294 const char *kernel_filename
= args
->kernel_filename
;
295 const char *kernel_cmdline
= args
->kernel_cmdline
;
296 const char *initrd_filename
= args
->initrd_filename
;
297 const char *boot_device
= args
->boot_device
;
298 pc_init1(get_system_memory(),
300 ram_size
, boot_device
,
301 kernel_filename
, kernel_cmdline
,
302 initrd_filename
, cpu_model
, 1, 1);
305 static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs
*args
)
307 ram_addr_t ram_size
= args
->ram_size
;
308 const char *cpu_model
= args
->cpu_model
;
309 const char *kernel_filename
= args
->kernel_filename
;
310 const char *kernel_cmdline
= args
->kernel_cmdline
;
311 const char *initrd_filename
= args
->initrd_filename
;
312 const char *boot_device
= args
->boot_device
;
313 pc_init1(get_system_memory(),
315 ram_size
, boot_device
,
316 kernel_filename
, kernel_cmdline
,
317 initrd_filename
, cpu_model
, 1, 0);
320 static void pc_init_isa(QEMUMachineInitArgs
*args
)
322 ram_addr_t ram_size
= args
->ram_size
;
323 const char *cpu_model
= args
->cpu_model
;
324 const char *kernel_filename
= args
->kernel_filename
;
325 const char *kernel_cmdline
= args
->kernel_cmdline
;
326 const char *initrd_filename
= args
->initrd_filename
;
327 const char *boot_device
= args
->boot_device
;
328 if (cpu_model
== NULL
)
330 pc_init1(get_system_memory(),
332 ram_size
, boot_device
,
333 kernel_filename
, kernel_cmdline
,
334 initrd_filename
, cpu_model
, 0, 1);
338 static void pc_xen_hvm_init(QEMUMachineInitArgs
*args
)
340 if (xen_hvm_init() != 0) {
341 hw_error("xen hardware virtual machine initialisation failed");
343 pc_init_pci_no_kvmclock(args
);
348 static QEMUMachine pc_machine_v1_3
= {
351 .desc
= "Standard PC",
357 #define PC_COMPAT_1_2 \
359 .driver = "nec-usb-xhci",\
363 .driver = "nec-usb-xhci",\
367 .driver = "ivshmem",\
368 .property = "use64",\
372 .property = "revision",\
373 .value = stringify(3),\
375 .driver = "qxl-vga",\
376 .property = "revision",\
377 .value = stringify(3),\
384 static QEMUMachine pc_machine_v1_2
= {
386 .desc
= "Standard PC",
389 .compat_props
= (GlobalProperty
[]) {
391 { /* end of list */ }
395 #define PC_COMPAT_1_1 \
398 .driver = "virtio-scsi-pci",\
399 .property = "hotplug",\
402 .driver = "virtio-scsi-pci",\
403 .property = "param_change",\
407 .property = "vgamem_mb",\
408 .value = stringify(8),\
410 .driver = "vmware-svga",\
411 .property = "vgamem_mb",\
412 .value = stringify(8),\
414 .driver = "qxl-vga",\
415 .property = "vgamem_mb",\
416 .value = stringify(8),\
419 .property = "vgamem_mb",\
420 .value = stringify(8),\
422 .driver = "virtio-blk-pci",\
423 .property = "config-wce",\
427 static QEMUMachine pc_machine_v1_1
= {
429 .desc
= "Standard PC",
432 .compat_props
= (GlobalProperty
[]) {
434 { /* end of list */ }
438 #define PC_COMPAT_1_0 \
441 .driver = "pc-sysfw",\
442 .property = "rom_only",\
443 .value = stringify(1),\
445 .driver = "isa-fdc",\
446 .property = "check_media_rate",\
449 .driver = "virtio-balloon-pci",\
450 .property = "class",\
451 .value = stringify(PCI_CLASS_MEMORY_RAM),\
454 .property = "vapic",\
457 .driver = TYPE_USB_DEVICE,\
458 .property = "full-path",\
462 static QEMUMachine pc_machine_v1_0
= {
464 .desc
= "Standard PC",
467 .compat_props
= (GlobalProperty
[]) {
469 { /* end of list */ }
474 #define PC_COMPAT_0_15 \
477 static QEMUMachine pc_machine_v0_15
= {
479 .desc
= "Standard PC",
482 .compat_props
= (GlobalProperty
[]) {
484 { /* end of list */ }
486 .hw_version
= "0.15",
489 #define PC_COMPAT_0_14 \
492 .driver = "virtio-blk-pci",\
493 .property = "event_idx",\
496 .driver = "virtio-serial-pci",\
497 .property = "event_idx",\
500 .driver = "virtio-net-pci",\
501 .property = "event_idx",\
504 .driver = "virtio-balloon-pci",\
505 .property = "event_idx",\
509 static QEMUMachine pc_machine_v0_14
= {
511 .desc
= "Standard PC",
514 .compat_props
= (GlobalProperty
[]) {
518 .property
= "revision",
519 .value
= stringify(2),
522 .property
= "revision",
523 .value
= stringify(2),
525 { /* end of list */ }
527 .hw_version
= "0.14",
530 #define PC_COMPAT_0_13 \
533 .driver = TYPE_PCI_DEVICE,\
534 .property = "command_serr_enable",\
538 .property = "use_broken_id",\
539 .value = stringify(1),\
542 static QEMUMachine pc_machine_v0_13
= {
544 .desc
= "Standard PC",
545 .init
= pc_init_pci_no_kvmclock
,
547 .compat_props
= (GlobalProperty
[]) {
550 .driver
= "virtio-9p-pci",
551 .property
= "vectors",
552 .value
= stringify(0),
555 .property
= "rombar",
556 .value
= stringify(0),
558 .driver
= "vmware-svga",
559 .property
= "rombar",
560 .value
= stringify(0),
562 { /* end of list */ }
564 .hw_version
= "0.13",
567 #define PC_COMPAT_0_12 \
570 .driver = "virtio-serial-pci",\
571 .property = "max_ports",\
572 .value = stringify(1),\
574 .driver = "virtio-serial-pci",\
575 .property = "vectors",\
576 .value = stringify(0),\
579 static QEMUMachine pc_machine_v0_12
= {
581 .desc
= "Standard PC",
582 .init
= pc_init_pci_no_kvmclock
,
584 .compat_props
= (GlobalProperty
[]) {
588 .property
= "rombar",
589 .value
= stringify(0),
591 .driver
= "vmware-svga",
592 .property
= "rombar",
593 .value
= stringify(0),
595 { /* end of list */ }
597 .hw_version
= "0.12",
600 #define PC_COMPAT_0_11 \
603 .driver = "virtio-blk-pci",\
604 .property = "vectors",\
605 .value = stringify(0),\
607 .driver = TYPE_PCI_DEVICE,\
608 .property = "rombar",\
609 .value = stringify(0),\
612 static QEMUMachine pc_machine_v0_11
= {
614 .desc
= "Standard PC, qemu 0.11",
615 .init
= pc_init_pci_no_kvmclock
,
617 .compat_props
= (GlobalProperty
[]) {
620 .driver
= "ide-drive",
624 .driver
= "scsi-disk",
628 { /* end of list */ }
630 .hw_version
= "0.11",
633 static QEMUMachine pc_machine_v0_10
= {
635 .desc
= "Standard PC, qemu 0.10",
636 .init
= pc_init_pci_no_kvmclock
,
638 .compat_props
= (GlobalProperty
[]) {
641 .driver
= "virtio-blk-pci",
643 .value
= stringify(PCI_CLASS_STORAGE_OTHER
),
645 .driver
= "virtio-serial-pci",
647 .value
= stringify(PCI_CLASS_DISPLAY_OTHER
),
649 .driver
= "virtio-net-pci",
650 .property
= "vectors",
651 .value
= stringify(0),
653 .driver
= "ide-drive",
657 .driver
= "scsi-disk",
661 { /* end of list */ }
663 .hw_version
= "0.10",
666 static QEMUMachine isapc_machine
= {
668 .desc
= "ISA-only PC",
671 .compat_props
= (GlobalProperty
[]) {
673 .driver
= "pc-sysfw",
674 .property
= "rom_only",
675 .value
= stringify(1),
677 { /* end of list */ }
682 static QEMUMachine xenfv_machine
= {
684 .desc
= "Xen Fully-virtualized PC",
685 .init
= pc_xen_hvm_init
,
686 .max_cpus
= HVM_MAX_VCPUS
,
687 .default_machine_opts
= "accel=xen",
691 static void pc_machine_init(void)
693 qemu_register_machine(&pc_machine_v1_3
);
694 qemu_register_machine(&pc_machine_v1_2
);
695 qemu_register_machine(&pc_machine_v1_1
);
696 qemu_register_machine(&pc_machine_v1_0
);
697 qemu_register_machine(&pc_machine_v0_15
);
698 qemu_register_machine(&pc_machine_v0_14
);
699 qemu_register_machine(&pc_machine_v0_13
);
700 qemu_register_machine(&pc_machine_v0_12
);
701 qemu_register_machine(&pc_machine_v0_11
);
702 qemu_register_machine(&pc_machine_v0_10
);
703 qemu_register_machine(&isapc_machine
);
705 qemu_register_machine(&xenfv_machine
);
709 machine_init(pc_machine_init
);