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
;
151 pc_cpus_init(cpu_model
);
153 if (kvmclock_enabled
) {
157 if (ram_size
>= 0xe0000000 ) {
158 above_4g_mem_size
= ram_size
- 0xe0000000;
159 below_4g_mem_size
= 0xe0000000;
161 above_4g_mem_size
= 0;
162 below_4g_mem_size
= ram_size
;
166 pci_memory
= g_new(MemoryRegion
, 1);
167 memory_region_init(pci_memory
, "pci", INT64_MAX
);
168 rom_memory
= pci_memory
;
171 rom_memory
= system_memory
;
174 /* allocate ram and load rom/bios */
175 if (!xen_enabled()) {
176 pc_memory_init(system_memory
,
177 kernel_filename
, kernel_cmdline
, initrd_filename
,
178 below_4g_mem_size
, above_4g_mem_size
,
179 pci_enabled
? rom_memory
: system_memory
, &ram_memory
);
182 gsi_state
= g_malloc0(sizeof(*gsi_state
));
183 if (kvm_irqchip_in_kernel()) {
184 kvm_piix3_setup_irq_routing(pci_enabled
);
185 gsi
= qemu_allocate_irqs(kvm_piix3_gsi_handler
, gsi_state
,
188 gsi
= qemu_allocate_irqs(gsi_handler
, gsi_state
, GSI_NUM_PINS
);
192 pci_bus
= i440fx_init(&i440fx_state
, &piix3_devfn
, &isa_bus
, gsi
,
193 system_memory
, system_io
, ram_size
,
195 0x100000000ULL
- below_4g_mem_size
,
196 0x100000000ULL
+ above_4g_mem_size
,
197 (sizeof(target_phys_addr_t
) == 4
199 : ((uint64_t)1 << 62)),
200 pci_memory
, ram_memory
);
204 isa_bus
= isa_bus_new(NULL
, system_io
);
207 isa_bus_irqs(isa_bus
, gsi
);
209 if (kvm_irqchip_in_kernel()) {
210 i8259
= kvm_i8259_init(isa_bus
);
211 } else if (xen_enabled()) {
212 i8259
= xen_interrupt_controller_init();
214 cpu_irq
= pc_allocate_cpu_irq();
215 i8259
= i8259_init(isa_bus
, cpu_irq
[0]);
218 for (i
= 0; i
< ISA_NUM_IRQS
; i
++) {
219 gsi_state
->i8259_irq
[i
] = i8259
[i
];
222 ioapic_init(gsi_state
);
225 pc_register_ferr_irq(gsi
[13]);
227 pc_vga_init(isa_bus
, pci_enabled
? pci_bus
: NULL
);
229 pci_create_simple(pci_bus
, -1, "xen-platform");
232 /* init basic PC hardware */
233 pc_basic_device_init(isa_bus
, gsi
, &rtc_state
, &floppy
, xen_enabled());
235 for(i
= 0; i
< nb_nics
; i
++) {
236 NICInfo
*nd
= &nd_table
[i
];
238 if (!pci_enabled
|| (nd
->model
&& strcmp(nd
->model
, "ne2k_isa") == 0))
239 pc_init_ne2k_isa(isa_bus
, nd
);
241 pci_nic_init_nofail(nd
, "e1000", NULL
);
244 ide_drive_get(hd
, MAX_IDE_BUS
);
248 dev
= pci_piix3_xen_ide_init(pci_bus
, hd
, piix3_devfn
+ 1);
250 dev
= pci_piix3_ide_init(pci_bus
, hd
, piix3_devfn
+ 1);
252 idebus
[0] = qdev_get_child_bus(&dev
->qdev
, "ide.0");
253 idebus
[1] = qdev_get_child_bus(&dev
->qdev
, "ide.1");
255 for(i
= 0; i
< MAX_IDE_BUS
; i
++) {
257 dev
= isa_ide_init(isa_bus
, ide_iobase
[i
], ide_iobase2
[i
],
259 hd
[MAX_IDE_DEVS
* i
], hd
[MAX_IDE_DEVS
* i
+ 1]);
260 idebus
[i
] = qdev_get_child_bus(&dev
->qdev
, "ide.0");
264 audio_init(isa_bus
, pci_enabled
? pci_bus
: NULL
);
266 pc_cmos_init(below_4g_mem_size
, above_4g_mem_size
, boot_device
,
267 floppy
, idebus
[0], idebus
[1], rtc_state
);
269 if (pci_enabled
&& usb_enabled
) {
270 pci_create_simple(pci_bus
, piix3_devfn
+ 2, "piix3-usb-uhci");
273 if (pci_enabled
&& acpi_enabled
) {
276 smi_irq
= qemu_allocate_irqs(pc_acpi_smi_interrupt
, first_cpu
, 1);
277 /* TODO: Populate SPD eeprom data. */
278 smbus
= piix4_pm_init(pci_bus
, piix3_devfn
+ 3, 0xb100,
281 smbus_eeprom_init(smbus
, 8, NULL
, 0);
285 pc_pci_device_init(pci_bus
);
289 static void pc_init_pci(ram_addr_t ram_size
,
290 const char *boot_device
,
291 const char *kernel_filename
,
292 const char *kernel_cmdline
,
293 const char *initrd_filename
,
294 const char *cpu_model
)
296 pc_init1(get_system_memory(),
298 ram_size
, boot_device
,
299 kernel_filename
, kernel_cmdline
,
300 initrd_filename
, cpu_model
, 1, 1);
303 static void pc_init_pci_no_kvmclock(ram_addr_t ram_size
,
304 const char *boot_device
,
305 const char *kernel_filename
,
306 const char *kernel_cmdline
,
307 const char *initrd_filename
,
308 const char *cpu_model
)
310 pc_init1(get_system_memory(),
312 ram_size
, boot_device
,
313 kernel_filename
, kernel_cmdline
,
314 initrd_filename
, cpu_model
, 1, 0);
317 static void pc_init_isa(ram_addr_t ram_size
,
318 const char *boot_device
,
319 const char *kernel_filename
,
320 const char *kernel_cmdline
,
321 const char *initrd_filename
,
322 const char *cpu_model
)
324 if (cpu_model
== NULL
)
326 pc_init1(get_system_memory(),
328 ram_size
, boot_device
,
329 kernel_filename
, kernel_cmdline
,
330 initrd_filename
, cpu_model
, 0, 1);
334 static void pc_xen_hvm_init(ram_addr_t ram_size
,
335 const char *boot_device
,
336 const char *kernel_filename
,
337 const char *kernel_cmdline
,
338 const char *initrd_filename
,
339 const char *cpu_model
)
341 if (xen_hvm_init() != 0) {
342 hw_error("xen hardware virtual machine initialisation failed");
344 pc_init_pci_no_kvmclock(ram_size
, boot_device
,
345 kernel_filename
, kernel_cmdline
,
346 initrd_filename
, cpu_model
);
351 static QEMUMachine pc_machine_v1_1
= {
354 .desc
= "Standard PC",
360 #define PC_COMPAT_1_0 \
362 .driver = "pc-sysfw",\
363 .property = "rom_only",\
364 .value = stringify(1),\
366 .driver = "isa-fdc",\
367 .property = "check_media_rate",\
370 .driver = "virtio-balloon-pci",\
371 .property = "class",\
372 .value = stringify(PCI_CLASS_MEMORY_RAM),\
375 .property = "vapic",\
378 .driver = TYPE_USB_DEVICE,\
379 .property = "full-path",\
383 static QEMUMachine pc_machine_v1_0
= {
385 .desc
= "Standard PC",
388 .compat_props
= (GlobalProperty
[]) {
390 { /* end of list */ }
394 #define PC_COMPAT_0_15 \
397 static QEMUMachine pc_machine_v0_15
= {
399 .desc
= "Standard PC",
402 .compat_props
= (GlobalProperty
[]) {
404 { /* end of list */ }
408 #define PC_COMPAT_0_14 \
411 .driver = "virtio-blk-pci",\
412 .property = "event_idx",\
415 .driver = "virtio-serial-pci",\
416 .property = "event_idx",\
419 .driver = "virtio-net-pci",\
420 .property = "event_idx",\
423 .driver = "virtio-balloon-pci",\
424 .property = "event_idx",\
428 static QEMUMachine pc_machine_v0_14
= {
430 .desc
= "Standard PC",
433 .compat_props
= (GlobalProperty
[]) {
437 .property
= "revision",
438 .value
= stringify(2),
441 .property
= "revision",
442 .value
= stringify(2),
444 { /* end of list */ }
448 #define PC_COMPAT_0_13 \
451 .driver = TYPE_PCI_DEVICE,\
452 .property = "command_serr_enable",\
456 .property = "use_broken_id",\
457 .value = stringify(1),\
460 static QEMUMachine pc_machine_v0_13
= {
462 .desc
= "Standard PC",
463 .init
= pc_init_pci_no_kvmclock
,
465 .compat_props
= (GlobalProperty
[]) {
468 .driver
= "virtio-9p-pci",
469 .property
= "vectors",
470 .value
= stringify(0),
473 .property
= "rombar",
474 .value
= stringify(0),
476 .driver
= "vmware-svga",
477 .property
= "rombar",
478 .value
= stringify(0),
480 { /* end of list */ }
484 #define PC_COMPAT_0_12 \
487 .driver = "virtio-serial-pci",\
488 .property = "max_ports",\
489 .value = stringify(1),\
491 .driver = "virtio-serial-pci",\
492 .property = "vectors",\
493 .value = stringify(0),\
496 static QEMUMachine pc_machine_v0_12
= {
498 .desc
= "Standard PC",
499 .init
= pc_init_pci_no_kvmclock
,
501 .compat_props
= (GlobalProperty
[]) {
505 .property
= "rombar",
506 .value
= stringify(0),
508 .driver
= "vmware-svga",
509 .property
= "rombar",
510 .value
= stringify(0),
512 { /* end of list */ }
516 #define PC_COMPAT_0_11 \
519 .driver = "virtio-blk-pci",\
520 .property = "vectors",\
521 .value = stringify(0),\
523 .driver = TYPE_PCI_DEVICE,\
524 .property = "rombar",\
525 .value = stringify(0),\
528 static QEMUMachine pc_machine_v0_11
= {
530 .desc
= "Standard PC, qemu 0.11",
531 .init
= pc_init_pci_no_kvmclock
,
533 .compat_props
= (GlobalProperty
[]) {
536 .driver
= "ide-drive",
540 .driver
= "scsi-disk",
544 { /* end of list */ }
548 static QEMUMachine pc_machine_v0_10
= {
550 .desc
= "Standard PC, qemu 0.10",
551 .init
= pc_init_pci_no_kvmclock
,
553 .compat_props
= (GlobalProperty
[]) {
556 .driver
= "virtio-blk-pci",
558 .value
= stringify(PCI_CLASS_STORAGE_OTHER
),
560 .driver
= "virtio-serial-pci",
562 .value
= stringify(PCI_CLASS_DISPLAY_OTHER
),
564 .driver
= "virtio-net-pci",
565 .property
= "vectors",
566 .value
= stringify(0),
568 .driver
= "ide-drive",
572 .driver
= "scsi-disk",
576 { /* end of list */ }
580 static QEMUMachine isapc_machine
= {
582 .desc
= "ISA-only PC",
585 .compat_props
= (GlobalProperty
[]) {
587 .driver
= "pc-sysfw",
588 .property
= "rom_only",
589 .value
= stringify(1),
591 { /* end of list */ }
596 static QEMUMachine xenfv_machine
= {
598 .desc
= "Xen Fully-virtualized PC",
599 .init
= pc_xen_hvm_init
,
600 .max_cpus
= HVM_MAX_VCPUS
,
601 .default_machine_opts
= "accel=xen",
605 static void pc_machine_init(void)
607 qemu_register_machine(&pc_machine_v1_1
);
608 qemu_register_machine(&pc_machine_v1_0
);
609 qemu_register_machine(&pc_machine_v0_15
);
610 qemu_register_machine(&pc_machine_v0_14
);
611 qemu_register_machine(&pc_machine_v0_13
);
612 qemu_register_machine(&pc_machine_v0_12
);
613 qemu_register_machine(&pc_machine_v0_11
);
614 qemu_register_machine(&pc_machine_v0_10
);
615 qemu_register_machine(&isapc_machine
);
617 qemu_register_machine(&xenfv_machine
);
621 machine_init(pc_machine_init
);