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_route(s
, i
, KVM_IRQCHIP_PIC_MASTER
, i
);
69 for (i
= 8; i
< 16; ++i
) {
70 kvm_irqchip_add_route(s
, i
, KVM_IRQCHIP_PIC_SLAVE
, i
- 8);
73 for (i
= 0; i
< 24; ++i
) {
75 kvm_irqchip_add_route(s
, i
, KVM_IRQCHIP_IOAPIC
, 2);
77 kvm_irqchip_add_route(s
, i
, KVM_IRQCHIP_IOAPIC
, i
);
81 ret
= kvm_irqchip_commit_routes(s
);
83 hw_error("KVM IRQ routing setup failed");
86 #endif /* CONFIG_KVM */
89 static void kvm_piix3_gsi_handler(void *opaque
, int n
, int level
)
93 if (n
< ISA_NUM_IRQS
) {
94 /* Kernel will forward to both PIC and IOAPIC */
95 qemu_set_irq(s
->i8259_irq
[n
], level
);
97 qemu_set_irq(s
->ioapic_irq
[n
], level
);
101 static void ioapic_init(GSIState
*gsi_state
)
107 if (kvm_irqchip_in_kernel()) {
108 dev
= qdev_create(NULL
, "kvm-ioapic");
110 dev
= qdev_create(NULL
, "ioapic");
112 qdev_init_nofail(dev
);
113 d
= sysbus_from_qdev(dev
);
114 sysbus_mmio_map(d
, 0, 0xfec00000);
116 for (i
= 0; i
< IOAPIC_NUM_PINS
; i
++) {
117 gsi_state
->ioapic_irq
[i
] = qdev_get_gpio_in(dev
, i
);
121 /* PC hardware initialisation */
122 static void pc_init1(MemoryRegion
*system_memory
,
123 MemoryRegion
*system_io
,
125 const char *boot_device
,
126 const char *kernel_filename
,
127 const char *kernel_cmdline
,
128 const char *initrd_filename
,
129 const char *cpu_model
,
131 int kvmclock_enabled
)
134 ram_addr_t below_4g_mem_size
, above_4g_mem_size
;
137 PCII440FXState
*i440fx_state
;
138 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 usb_uhci_piix3_init(pci_bus
, piix3_devfn
+ 2);
291 if (pci_enabled
&& acpi_enabled
) {
294 if (!xen_enabled()) {
295 cmos_s3
= qemu_allocate_irqs(pc_cmos_set_s3_resume
, rtc_state
, 1);
297 cmos_s3
= qemu_allocate_irqs(xen_cmos_set_s3_resume
, rtc_state
, 1);
299 smi_irq
= qemu_allocate_irqs(pc_acpi_smi_interrupt
, first_cpu
, 1);
300 /* TODO: Populate SPD eeprom data. */
301 smbus
= piix4_pm_init(pci_bus
, piix3_devfn
+ 3, 0xb100,
302 gsi
[9], *cmos_s3
, *smi_irq
,
304 smbus_eeprom_init(smbus
, 8, NULL
, 0);
308 pc_pci_device_init(pci_bus
);
312 static void pc_init_pci(ram_addr_t ram_size
,
313 const char *boot_device
,
314 const char *kernel_filename
,
315 const char *kernel_cmdline
,
316 const char *initrd_filename
,
317 const char *cpu_model
)
319 pc_init1(get_system_memory(),
321 ram_size
, boot_device
,
322 kernel_filename
, kernel_cmdline
,
323 initrd_filename
, cpu_model
, 1, 1);
326 static void pc_init_pci_no_kvmclock(ram_addr_t ram_size
,
327 const char *boot_device
,
328 const char *kernel_filename
,
329 const char *kernel_cmdline
,
330 const char *initrd_filename
,
331 const char *cpu_model
)
333 pc_init1(get_system_memory(),
335 ram_size
, boot_device
,
336 kernel_filename
, kernel_cmdline
,
337 initrd_filename
, cpu_model
, 1, 0);
340 static void pc_init_isa(ram_addr_t ram_size
,
341 const char *boot_device
,
342 const char *kernel_filename
,
343 const char *kernel_cmdline
,
344 const char *initrd_filename
,
345 const char *cpu_model
)
347 if (cpu_model
== NULL
)
349 pc_init1(get_system_memory(),
351 ram_size
, boot_device
,
352 kernel_filename
, kernel_cmdline
,
353 initrd_filename
, cpu_model
, 0, 1);
357 static void pc_xen_hvm_init(ram_addr_t ram_size
,
358 const char *boot_device
,
359 const char *kernel_filename
,
360 const char *kernel_cmdline
,
361 const char *initrd_filename
,
362 const char *cpu_model
)
364 if (xen_hvm_init() != 0) {
365 hw_error("xen hardware virtual machine initialisation failed");
367 pc_init_pci_no_kvmclock(ram_size
, boot_device
,
368 kernel_filename
, kernel_cmdline
,
369 initrd_filename
, cpu_model
);
374 static QEMUMachine pc_machine_v1_1
= {
377 .desc
= "Standard PC",
383 static QEMUMachine pc_machine_v1_0
= {
385 .desc
= "Standard PC",
388 .compat_props
= (GlobalProperty
[]) {
390 .driver
= "pc-sysfw",
391 .property
= "rom_only",
392 .value
= stringify(1),
394 { /* end of list */ }
398 static QEMUMachine pc_machine_v0_15
= {
400 .desc
= "Standard PC",
403 .compat_props
= (GlobalProperty
[]) {
405 .driver
= "pc-sysfw",
406 .property
= "rom_only",
407 .value
= stringify(1),
409 { /* end of list */ }
413 static QEMUMachine pc_machine_v0_14
= {
415 .desc
= "Standard PC",
418 .compat_props
= (GlobalProperty
[]) {
421 .property
= "revision",
422 .value
= stringify(2),
425 .property
= "revision",
426 .value
= stringify(2),
428 .driver
= "virtio-blk-pci",
429 .property
= "event_idx",
432 .driver
= "virtio-serial-pci",
433 .property
= "event_idx",
436 .driver
= "virtio-net-pci",
437 .property
= "event_idx",
440 .driver
= "virtio-balloon-pci",
441 .property
= "event_idx",
445 .driver
= "pc-sysfw",
446 .property
= "rom_only",
447 .value
= stringify(1),
449 { /* end of list */ }
453 static QEMUMachine pc_machine_v0_13
= {
455 .desc
= "Standard PC",
456 .init
= pc_init_pci_no_kvmclock
,
458 .compat_props
= (GlobalProperty
[]) {
460 .driver
= "virtio-9p-pci",
461 .property
= "vectors",
462 .value
= stringify(0),
465 .property
= "rombar",
466 .value
= stringify(0),
468 .driver
= "vmware-svga",
469 .property
= "rombar",
470 .value
= stringify(0),
473 .property
= "command_serr_enable",
476 .driver
= "virtio-blk-pci",
477 .property
= "event_idx",
480 .driver
= "virtio-serial-pci",
481 .property
= "event_idx",
484 .driver
= "virtio-net-pci",
485 .property
= "event_idx",
488 .driver
= "virtio-balloon-pci",
489 .property
= "event_idx",
493 .property
= "use_broken_id",
494 .value
= stringify(1),
497 .driver
= "pc-sysfw",
498 .property
= "rom_only",
499 .value
= stringify(1),
501 { /* end of list */ }
505 static QEMUMachine pc_machine_v0_12
= {
507 .desc
= "Standard PC",
508 .init
= pc_init_pci_no_kvmclock
,
510 .compat_props
= (GlobalProperty
[]) {
512 .driver
= "virtio-serial-pci",
513 .property
= "max_ports",
514 .value
= stringify(1),
516 .driver
= "virtio-serial-pci",
517 .property
= "vectors",
518 .value
= stringify(0),
521 .property
= "rombar",
522 .value
= stringify(0),
524 .driver
= "vmware-svga",
525 .property
= "rombar",
526 .value
= stringify(0),
529 .property
= "command_serr_enable",
532 .driver
= "virtio-blk-pci",
533 .property
= "event_idx",
536 .driver
= "virtio-serial-pci",
537 .property
= "event_idx",
540 .driver
= "virtio-net-pci",
541 .property
= "event_idx",
544 .driver
= "virtio-balloon-pci",
545 .property
= "event_idx",
549 .property
= "use_broken_id",
550 .value
= stringify(1),
553 .driver
= "pc-sysfw",
554 .property
= "rom_only",
555 .value
= stringify(1),
557 { /* end of list */ }
561 static QEMUMachine pc_machine_v0_11
= {
563 .desc
= "Standard PC, qemu 0.11",
564 .init
= pc_init_pci_no_kvmclock
,
566 .compat_props
= (GlobalProperty
[]) {
568 .driver
= "virtio-blk-pci",
569 .property
= "vectors",
570 .value
= stringify(0),
572 .driver
= "virtio-serial-pci",
573 .property
= "max_ports",
574 .value
= stringify(1),
576 .driver
= "virtio-serial-pci",
577 .property
= "vectors",
578 .value
= stringify(0),
580 .driver
= "ide-drive",
584 .driver
= "scsi-disk",
589 .property
= "rombar",
590 .value
= stringify(0),
593 .property
= "command_serr_enable",
596 .driver
= "virtio-blk-pci",
597 .property
= "event_idx",
600 .driver
= "virtio-serial-pci",
601 .property
= "event_idx",
604 .driver
= "virtio-net-pci",
605 .property
= "event_idx",
608 .driver
= "virtio-balloon-pci",
609 .property
= "event_idx",
613 .property
= "use_broken_id",
614 .value
= stringify(1),
617 .driver
= "pc-sysfw",
618 .property
= "rom_only",
619 .value
= stringify(1),
621 { /* end of list */ }
625 static QEMUMachine pc_machine_v0_10
= {
627 .desc
= "Standard PC, qemu 0.10",
628 .init
= pc_init_pci_no_kvmclock
,
630 .compat_props
= (GlobalProperty
[]) {
632 .driver
= "virtio-blk-pci",
634 .value
= stringify(PCI_CLASS_STORAGE_OTHER
),
636 .driver
= "virtio-serial-pci",
638 .value
= stringify(PCI_CLASS_DISPLAY_OTHER
),
640 .driver
= "virtio-serial-pci",
641 .property
= "max_ports",
642 .value
= stringify(1),
644 .driver
= "virtio-serial-pci",
645 .property
= "vectors",
646 .value
= stringify(0),
648 .driver
= "virtio-net-pci",
649 .property
= "vectors",
650 .value
= stringify(0),
652 .driver
= "virtio-blk-pci",
653 .property
= "vectors",
654 .value
= stringify(0),
656 .driver
= "ide-drive",
660 .driver
= "scsi-disk",
665 .property
= "rombar",
666 .value
= stringify(0),
669 .property
= "command_serr_enable",
672 .driver
= "virtio-blk-pci",
673 .property
= "event_idx",
676 .driver
= "virtio-serial-pci",
677 .property
= "event_idx",
680 .driver
= "virtio-net-pci",
681 .property
= "event_idx",
684 .driver
= "virtio-balloon-pci",
685 .property
= "event_idx",
689 .property
= "use_broken_id",
690 .value
= stringify(1),
693 .driver
= "pc-sysfw",
694 .property
= "rom_only",
695 .value
= stringify(1),
697 { /* end of list */ }
701 static QEMUMachine isapc_machine
= {
703 .desc
= "ISA-only PC",
706 .compat_props
= (GlobalProperty
[]) {
708 .driver
= "pc-sysfw",
709 .property
= "rom_only",
710 .value
= stringify(1),
712 { /* end of list */ }
717 static QEMUMachine xenfv_machine
= {
719 .desc
= "Xen Fully-virtualized PC",
720 .init
= pc_xen_hvm_init
,
721 .max_cpus
= HVM_MAX_VCPUS
,
722 .default_machine_opts
= "accel=xen",
726 static void pc_machine_init(void)
728 qemu_register_machine(&pc_machine_v1_1
);
729 qemu_register_machine(&pc_machine_v1_0
);
730 qemu_register_machine(&pc_machine_v0_15
);
731 qemu_register_machine(&pc_machine_v0_14
);
732 qemu_register_machine(&pc_machine_v0_13
);
733 qemu_register_machine(&pc_machine_v0_12
);
734 qemu_register_machine(&pc_machine_v0_11
);
735 qemu_register_machine(&pc_machine_v0_10
);
736 qemu_register_machine(&isapc_machine
);
738 qemu_register_machine(&xenfv_machine
);
742 machine_init(pc_machine_init
);