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
35 #include "kvm/clock.h"
38 #include "arch_init.h"
43 #include "exec-memory.h"
45 # include <xen/hvm/hvm_info_table.h>
50 static const int ide_iobase
[MAX_IDE_BUS
] = { 0x1f0, 0x170 };
51 static const int ide_iobase2
[MAX_IDE_BUS
] = { 0x3f6, 0x376 };
52 static const int ide_irq
[MAX_IDE_BUS
] = { 14, 15 };
54 static void kvm_piix3_setup_irq_routing(bool pci_enabled
)
57 KVMState
*s
= kvm_state
;
60 if (kvm_check_extension(s
, KVM_CAP_IRQ_ROUTING
)) {
61 for (i
= 0; i
< 8; ++i
) {
65 kvm_irqchip_add_route(s
, i
, KVM_IRQCHIP_PIC_MASTER
, i
);
67 for (i
= 8; i
< 16; ++i
) {
68 kvm_irqchip_add_route(s
, i
, KVM_IRQCHIP_PIC_SLAVE
, i
- 8);
71 for (i
= 0; i
< 24; ++i
) {
73 kvm_irqchip_add_route(s
, i
, KVM_IRQCHIP_IOAPIC
, 2);
75 kvm_irqchip_add_route(s
, i
, KVM_IRQCHIP_IOAPIC
, i
);
79 ret
= kvm_irqchip_commit_routes(s
);
81 hw_error("KVM IRQ routing setup failed");
84 #endif /* CONFIG_KVM */
87 static void kvm_piix3_gsi_handler(void *opaque
, int n
, int level
)
91 if (n
< ISA_NUM_IRQS
) {
92 /* Kernel will forward to both PIC and IOAPIC */
93 qemu_set_irq(s
->i8259_irq
[n
], level
);
95 qemu_set_irq(s
->ioapic_irq
[n
], level
);
99 static void ioapic_init(GSIState
*gsi_state
)
105 if (kvm_irqchip_in_kernel()) {
106 dev
= qdev_create(NULL
, "kvm-ioapic");
108 dev
= qdev_create(NULL
, "ioapic");
110 /* FIXME: this should be under the piix3. */
111 object_property_add_child(object_resolve_path("i440fx", NULL
),
112 "ioapic", OBJECT(dev
), NULL
);
113 qdev_init_nofail(dev
);
114 d
= sysbus_from_qdev(dev
);
115 sysbus_mmio_map(d
, 0, 0xfec00000);
117 for (i
= 0; i
< IOAPIC_NUM_PINS
; i
++) {
118 gsi_state
->ioapic_irq
[i
] = qdev_get_gpio_in(dev
, i
);
122 /* PC hardware initialisation */
123 static void pc_init1(MemoryRegion
*system_memory
,
124 MemoryRegion
*system_io
,
126 const char *boot_device
,
127 const char *kernel_filename
,
128 const char *kernel_cmdline
,
129 const char *initrd_filename
,
130 const char *cpu_model
,
132 int kvmclock_enabled
)
135 ram_addr_t below_4g_mem_size
, above_4g_mem_size
;
138 PCII440FXState
*i440fx_state
;
139 int piix3_devfn
= -1;
145 DriveInfo
*hd
[MAX_IDE_BUS
* MAX_IDE_DEVS
];
146 BusState
*idebus
[MAX_IDE_BUS
];
147 ISADevice
*rtc_state
;
149 MemoryRegion
*ram_memory
;
150 MemoryRegion
*pci_memory
;
151 MemoryRegion
*rom_memory
;
154 pc_cpus_init(cpu_model
);
156 if (kvmclock_enabled
) {
160 if (ram_size
>= 0xe0000000 ) {
161 above_4g_mem_size
= ram_size
- 0xe0000000;
162 below_4g_mem_size
= 0xe0000000;
164 above_4g_mem_size
= 0;
165 below_4g_mem_size
= ram_size
;
169 pci_memory
= g_new(MemoryRegion
, 1);
170 memory_region_init(pci_memory
, "pci", INT64_MAX
);
171 rom_memory
= pci_memory
;
174 rom_memory
= system_memory
;
177 /* allocate ram and load rom/bios */
178 if (!xen_enabled()) {
179 pc_memory_init(system_memory
,
180 kernel_filename
, kernel_cmdline
, initrd_filename
,
181 below_4g_mem_size
, above_4g_mem_size
,
182 pci_enabled
? rom_memory
: system_memory
, &ram_memory
);
185 gsi_state
= g_malloc0(sizeof(*gsi_state
));
186 if (kvm_irqchip_in_kernel()) {
187 kvm_piix3_setup_irq_routing(pci_enabled
);
188 gsi
= qemu_allocate_irqs(kvm_piix3_gsi_handler
, gsi_state
,
191 gsi
= qemu_allocate_irqs(gsi_handler
, gsi_state
, GSI_NUM_PINS
);
195 pci_bus
= i440fx_init(&i440fx_state
, &piix3_devfn
, &isa_bus
, gsi
,
196 system_memory
, system_io
, ram_size
,
198 0x100000000ULL
- below_4g_mem_size
,
199 0x100000000ULL
+ above_4g_mem_size
,
200 (sizeof(target_phys_addr_t
) == 4
202 : ((uint64_t)1 << 62)),
203 pci_memory
, ram_memory
);
207 isa_bus
= isa_bus_new(NULL
, system_io
);
210 isa_bus_irqs(isa_bus
, gsi
);
212 if (kvm_irqchip_in_kernel()) {
213 i8259
= kvm_i8259_init(isa_bus
);
214 } else if (xen_enabled()) {
215 i8259
= xen_interrupt_controller_init();
217 cpu_irq
= pc_allocate_cpu_irq();
218 i8259
= i8259_init(isa_bus
, cpu_irq
[0]);
221 for (i
= 0; i
< ISA_NUM_IRQS
; i
++) {
222 gsi_state
->i8259_irq
[i
] = i8259
[i
];
225 ioapic_init(gsi_state
);
228 pc_register_ferr_irq(gsi
[13]);
230 dev
= pc_vga_init(isa_bus
, pci_enabled
? pci_bus
: NULL
);
232 object_property_add_child(object_get_root(), "vga", OBJECT(dev
), NULL
);
236 pci_create_simple(pci_bus
, -1, "xen-platform");
239 /* init basic PC hardware */
240 pc_basic_device_init(isa_bus
, gsi
, &rtc_state
, &floppy
, xen_enabled());
242 for(i
= 0; i
< nb_nics
; i
++) {
243 NICInfo
*nd
= &nd_table
[i
];
245 if (!pci_enabled
|| (nd
->model
&& strcmp(nd
->model
, "ne2k_isa") == 0))
246 pc_init_ne2k_isa(isa_bus
, nd
);
248 pci_nic_init_nofail(nd
, "e1000", NULL
);
251 ide_drive_get(hd
, MAX_IDE_BUS
);
255 dev
= pci_piix3_xen_ide_init(pci_bus
, hd
, piix3_devfn
+ 1);
257 dev
= pci_piix3_ide_init(pci_bus
, hd
, piix3_devfn
+ 1);
259 idebus
[0] = qdev_get_child_bus(&dev
->qdev
, "ide.0");
260 idebus
[1] = qdev_get_child_bus(&dev
->qdev
, "ide.1");
262 /* FIXME there's some major spaghetti here. Somehow we create the
263 * devices on the PIIX before we actually create it. We create the
264 * PIIX3 deep in the recess of the i440fx creation too and then lose
267 * For now, let's "fix" this by making judicious use of paths. This
268 * is not generally the right way to do this.
270 object_property_add_child(object_resolve_path("/i440fx/piix3", NULL
),
271 "rtc", (Object
*)rtc_state
, NULL
);
273 for(i
= 0; i
< MAX_IDE_BUS
; i
++) {
275 dev
= isa_ide_init(isa_bus
, ide_iobase
[i
], ide_iobase2
[i
],
277 hd
[MAX_IDE_DEVS
* i
], hd
[MAX_IDE_DEVS
* i
+ 1]);
278 idebus
[i
] = qdev_get_child_bus(&dev
->qdev
, "ide.0");
282 audio_init(isa_bus
, pci_enabled
? pci_bus
: NULL
);
284 pc_cmos_init(below_4g_mem_size
, above_4g_mem_size
, boot_device
,
285 floppy
, idebus
[0], idebus
[1], rtc_state
);
287 if (pci_enabled
&& usb_enabled
) {
288 pci_create_simple(pci_bus
, piix3_devfn
+ 2, "piix3-usb-uhci");
291 if (pci_enabled
&& acpi_enabled
) {
294 smi_irq
= qemu_allocate_irqs(pc_acpi_smi_interrupt
, first_cpu
, 1);
295 /* TODO: Populate SPD eeprom data. */
296 smbus
= piix4_pm_init(pci_bus
, piix3_devfn
+ 3, 0xb100,
299 smbus_eeprom_init(smbus
, 8, NULL
, 0);
303 pc_pci_device_init(pci_bus
);
307 static void pc_init_pci(ram_addr_t ram_size
,
308 const char *boot_device
,
309 const char *kernel_filename
,
310 const char *kernel_cmdline
,
311 const char *initrd_filename
,
312 const char *cpu_model
)
314 pc_init1(get_system_memory(),
316 ram_size
, boot_device
,
317 kernel_filename
, kernel_cmdline
,
318 initrd_filename
, cpu_model
, 1, 1);
321 static void pc_init_pci_no_kvmclock(ram_addr_t ram_size
,
322 const char *boot_device
,
323 const char *kernel_filename
,
324 const char *kernel_cmdline
,
325 const char *initrd_filename
,
326 const char *cpu_model
)
328 pc_init1(get_system_memory(),
330 ram_size
, boot_device
,
331 kernel_filename
, kernel_cmdline
,
332 initrd_filename
, cpu_model
, 1, 0);
335 static void pc_init_isa(ram_addr_t ram_size
,
336 const char *boot_device
,
337 const char *kernel_filename
,
338 const char *kernel_cmdline
,
339 const char *initrd_filename
,
340 const char *cpu_model
)
342 if (cpu_model
== NULL
)
344 pc_init1(get_system_memory(),
346 ram_size
, boot_device
,
347 kernel_filename
, kernel_cmdline
,
348 initrd_filename
, cpu_model
, 0, 1);
352 static void pc_xen_hvm_init(ram_addr_t ram_size
,
353 const char *boot_device
,
354 const char *kernel_filename
,
355 const char *kernel_cmdline
,
356 const char *initrd_filename
,
357 const char *cpu_model
)
359 if (xen_hvm_init() != 0) {
360 hw_error("xen hardware virtual machine initialisation failed");
362 pc_init_pci_no_kvmclock(ram_size
, boot_device
,
363 kernel_filename
, kernel_cmdline
,
364 initrd_filename
, cpu_model
);
369 static QEMUMachine pc_machine_v1_1
= {
372 .desc
= "Standard PC",
378 static QEMUMachine pc_machine_v1_0
= {
380 .desc
= "Standard PC",
383 .compat_props
= (GlobalProperty
[]) {
385 .driver
= "pc-sysfw",
386 .property
= "rom_only",
387 .value
= stringify(1),
390 .property
= "check_media_rate",
393 { /* end of list */ }
397 static QEMUMachine pc_machine_v0_15
= {
399 .desc
= "Standard PC",
402 .compat_props
= (GlobalProperty
[]) {
404 .driver
= "pc-sysfw",
405 .property
= "rom_only",
406 .value
= stringify(1),
409 .property
= "check_media_rate",
412 { /* end of list */ }
416 static QEMUMachine pc_machine_v0_14
= {
418 .desc
= "Standard PC",
421 .compat_props
= (GlobalProperty
[]) {
424 .property
= "revision",
425 .value
= stringify(2),
428 .property
= "revision",
429 .value
= stringify(2),
431 .driver
= "virtio-blk-pci",
432 .property
= "event_idx",
435 .driver
= "virtio-serial-pci",
436 .property
= "event_idx",
439 .driver
= "virtio-net-pci",
440 .property
= "event_idx",
443 .driver
= "virtio-balloon-pci",
444 .property
= "event_idx",
448 .property
= "check_media_rate",
452 .driver
= "pc-sysfw",
453 .property
= "rom_only",
454 .value
= stringify(1),
456 { /* end of list */ }
460 static QEMUMachine pc_machine_v0_13
= {
462 .desc
= "Standard PC",
463 .init
= pc_init_pci_no_kvmclock
,
465 .compat_props
= (GlobalProperty
[]) {
467 .driver
= "virtio-9p-pci",
468 .property
= "vectors",
469 .value
= stringify(0),
472 .property
= "rombar",
473 .value
= stringify(0),
475 .driver
= "vmware-svga",
476 .property
= "rombar",
477 .value
= stringify(0),
480 .property
= "command_serr_enable",
483 .driver
= "virtio-blk-pci",
484 .property
= "event_idx",
487 .driver
= "virtio-serial-pci",
488 .property
= "event_idx",
491 .driver
= "virtio-net-pci",
492 .property
= "event_idx",
495 .driver
= "virtio-balloon-pci",
496 .property
= "event_idx",
500 .property
= "use_broken_id",
501 .value
= stringify(1),
504 .property
= "check_media_rate",
508 .driver
= "pc-sysfw",
509 .property
= "rom_only",
510 .value
= stringify(1),
512 { /* end of list */ }
516 static QEMUMachine pc_machine_v0_12
= {
518 .desc
= "Standard PC",
519 .init
= pc_init_pci_no_kvmclock
,
521 .compat_props
= (GlobalProperty
[]) {
523 .driver
= "virtio-serial-pci",
524 .property
= "max_ports",
525 .value
= stringify(1),
527 .driver
= "virtio-serial-pci",
528 .property
= "vectors",
529 .value
= stringify(0),
532 .property
= "rombar",
533 .value
= stringify(0),
535 .driver
= "vmware-svga",
536 .property
= "rombar",
537 .value
= stringify(0),
540 .property
= "command_serr_enable",
543 .driver
= "virtio-blk-pci",
544 .property
= "event_idx",
547 .driver
= "virtio-serial-pci",
548 .property
= "event_idx",
551 .driver
= "virtio-net-pci",
552 .property
= "event_idx",
555 .driver
= "virtio-balloon-pci",
556 .property
= "event_idx",
560 .property
= "use_broken_id",
561 .value
= stringify(1),
564 .property
= "check_media_rate",
568 .driver
= "pc-sysfw",
569 .property
= "rom_only",
570 .value
= stringify(1),
572 { /* end of list */ }
576 static QEMUMachine pc_machine_v0_11
= {
578 .desc
= "Standard PC, qemu 0.11",
579 .init
= pc_init_pci_no_kvmclock
,
581 .compat_props
= (GlobalProperty
[]) {
583 .driver
= "virtio-blk-pci",
584 .property
= "vectors",
585 .value
= stringify(0),
587 .driver
= "virtio-serial-pci",
588 .property
= "max_ports",
589 .value
= stringify(1),
591 .driver
= "virtio-serial-pci",
592 .property
= "vectors",
593 .value
= stringify(0),
595 .driver
= "ide-drive",
599 .driver
= "scsi-disk",
604 .property
= "rombar",
605 .value
= stringify(0),
608 .property
= "command_serr_enable",
611 .driver
= "virtio-blk-pci",
612 .property
= "event_idx",
615 .driver
= "virtio-serial-pci",
616 .property
= "event_idx",
619 .driver
= "virtio-net-pci",
620 .property
= "event_idx",
623 .driver
= "virtio-balloon-pci",
624 .property
= "event_idx",
628 .property
= "use_broken_id",
629 .value
= stringify(1),
632 .property
= "check_media_rate",
636 .driver
= "pc-sysfw",
637 .property
= "rom_only",
638 .value
= stringify(1),
640 { /* end of list */ }
644 static QEMUMachine pc_machine_v0_10
= {
646 .desc
= "Standard PC, qemu 0.10",
647 .init
= pc_init_pci_no_kvmclock
,
649 .compat_props
= (GlobalProperty
[]) {
651 .driver
= "virtio-blk-pci",
653 .value
= stringify(PCI_CLASS_STORAGE_OTHER
),
655 .driver
= "virtio-serial-pci",
657 .value
= stringify(PCI_CLASS_DISPLAY_OTHER
),
659 .driver
= "virtio-serial-pci",
660 .property
= "max_ports",
661 .value
= stringify(1),
663 .driver
= "virtio-serial-pci",
664 .property
= "vectors",
665 .value
= stringify(0),
667 .driver
= "virtio-net-pci",
668 .property
= "vectors",
669 .value
= stringify(0),
671 .driver
= "virtio-blk-pci",
672 .property
= "vectors",
673 .value
= stringify(0),
675 .driver
= "ide-drive",
679 .driver
= "scsi-disk",
684 .property
= "rombar",
685 .value
= stringify(0),
688 .property
= "command_serr_enable",
691 .driver
= "virtio-blk-pci",
692 .property
= "event_idx",
695 .driver
= "virtio-serial-pci",
696 .property
= "event_idx",
699 .driver
= "virtio-net-pci",
700 .property
= "event_idx",
703 .driver
= "virtio-balloon-pci",
704 .property
= "event_idx",
708 .property
= "use_broken_id",
709 .value
= stringify(1),
712 .property
= "check_media_rate",
716 .driver
= "pc-sysfw",
717 .property
= "rom_only",
718 .value
= stringify(1),
720 { /* end of list */ }
724 static QEMUMachine isapc_machine
= {
726 .desc
= "ISA-only PC",
729 .compat_props
= (GlobalProperty
[]) {
731 .driver
= "pc-sysfw",
732 .property
= "rom_only",
733 .value
= stringify(1),
735 { /* end of list */ }
740 static QEMUMachine xenfv_machine
= {
742 .desc
= "Xen Fully-virtualized PC",
743 .init
= pc_xen_hvm_init
,
744 .max_cpus
= HVM_MAX_VCPUS
,
745 .default_machine_opts
= "accel=xen",
749 static void pc_machine_init(void)
751 qemu_register_machine(&pc_machine_v1_1
);
752 qemu_register_machine(&pc_machine_v1_0
);
753 qemu_register_machine(&pc_machine_v0_15
);
754 qemu_register_machine(&pc_machine_v0_14
);
755 qemu_register_machine(&pc_machine_v0_13
);
756 qemu_register_machine(&pc_machine_v0_12
);
757 qemu_register_machine(&pc_machine_v0_11
);
758 qemu_register_machine(&pc_machine_v0_10
);
759 qemu_register_machine(&isapc_machine
);
761 qemu_register_machine(&xenfv_machine
);
765 machine_init(pc_machine_init
);