xref: /openbmc/qemu/hw/i386/pc_piix.c (revision 2e142114)
1 /*
2  * QEMU PC System Emulator
3  *
4  * Copyright (c) 2003-2004 Fabrice Bellard
5  *
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:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
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
22  * THE SOFTWARE.
23  */
24 
25 #include <glib.h>
26 
27 #include "hw/hw.h"
28 #include "hw/i386/pc.h"
29 #include "hw/i386/apic.h"
30 #include "hw/pci/pci.h"
31 #include "hw/pci/pci_ids.h"
32 #include "hw/usb.h"
33 #include "net/net.h"
34 #include "hw/boards.h"
35 #include "hw/ide.h"
36 #include "sysemu/kvm.h"
37 #include "hw/kvm/clock.h"
38 #include "sysemu/sysemu.h"
39 #include "hw/sysbus.h"
40 #include "hw/cpu/icc_bus.h"
41 #include "sysemu/arch_init.h"
42 #include "sysemu/blockdev.h"
43 #include "hw/i2c/smbus.h"
44 #include "hw/xen/xen.h"
45 #include "exec/memory.h"
46 #include "exec/address-spaces.h"
47 #include "hw/acpi/acpi.h"
48 #include "cpu.h"
49 #ifdef CONFIG_XEN
50 #  include <xen/hvm/hvm_info_table.h>
51 #endif
52 
53 #define MAX_IDE_BUS 2
54 
55 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
56 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
57 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
58 
59 static bool has_pvpanic = true;
60 static bool has_pci_info = true;
61 
62 /* PC hardware initialisation */
63 static void pc_init1(MemoryRegion *system_memory,
64                      MemoryRegion *system_io,
65                      ram_addr_t ram_size,
66                      const char *boot_device,
67                      const char *kernel_filename,
68                      const char *kernel_cmdline,
69                      const char *initrd_filename,
70                      const char *cpu_model,
71                      int pci_enabled,
72                      int kvmclock_enabled)
73 {
74     int i;
75     ram_addr_t below_4g_mem_size, above_4g_mem_size;
76     PCIBus *pci_bus;
77     ISABus *isa_bus;
78     PCII440FXState *i440fx_state;
79     int piix3_devfn = -1;
80     qemu_irq *cpu_irq;
81     qemu_irq *gsi;
82     qemu_irq *i8259;
83     qemu_irq *smi_irq;
84     GSIState *gsi_state;
85     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
86     BusState *idebus[MAX_IDE_BUS];
87     ISADevice *rtc_state;
88     ISADevice *floppy;
89     MemoryRegion *ram_memory;
90     MemoryRegion *pci_memory;
91     MemoryRegion *rom_memory;
92     DeviceState *icc_bridge;
93     FWCfgState *fw_cfg = NULL;
94     PcGuestInfo *guest_info;
95 
96     if (xen_enabled() && xen_hvm_init() != 0) {
97         fprintf(stderr, "xen hardware virtual machine initialisation failed\n");
98         exit(1);
99     }
100 
101     icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
102     object_property_add_child(qdev_get_machine(), "icc-bridge",
103                               OBJECT(icc_bridge), NULL);
104 
105     pc_cpus_init(cpu_model, icc_bridge);
106     pc_acpi_init("acpi-dsdt.aml");
107 
108     if (kvm_enabled() && kvmclock_enabled) {
109         kvmclock_create();
110     }
111 
112     if (ram_size >= 0xe0000000 ) {
113         above_4g_mem_size = ram_size - 0xe0000000;
114         below_4g_mem_size = 0xe0000000;
115     } else {
116         above_4g_mem_size = 0;
117         below_4g_mem_size = ram_size;
118     }
119 
120     if (pci_enabled) {
121         pci_memory = g_new(MemoryRegion, 1);
122         memory_region_init(pci_memory, NULL, "pci", INT64_MAX);
123         rom_memory = pci_memory;
124     } else {
125         pci_memory = NULL;
126         rom_memory = system_memory;
127     }
128 
129     guest_info = pc_guest_info_init(below_4g_mem_size, above_4g_mem_size);
130     guest_info->has_pci_info = has_pci_info;
131 
132     /* allocate ram and load rom/bios */
133     if (!xen_enabled()) {
134         fw_cfg = pc_memory_init(system_memory,
135                        kernel_filename, kernel_cmdline, initrd_filename,
136                        below_4g_mem_size, above_4g_mem_size,
137                        rom_memory, &ram_memory, guest_info);
138     }
139 
140     gsi_state = g_malloc0(sizeof(*gsi_state));
141     if (kvm_irqchip_in_kernel()) {
142         kvm_pc_setup_irq_routing(pci_enabled);
143         gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
144                                  GSI_NUM_PINS);
145     } else {
146         gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
147     }
148 
149     if (pci_enabled) {
150         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
151                               system_memory, system_io, ram_size,
152                               below_4g_mem_size,
153                               0x100000000ULL - below_4g_mem_size,
154                               above_4g_mem_size,
155                               pci_memory, ram_memory);
156     } else {
157         pci_bus = NULL;
158         i440fx_state = NULL;
159         isa_bus = isa_bus_new(NULL, system_io);
160         no_hpet = 1;
161     }
162     isa_bus_irqs(isa_bus, gsi);
163 
164     if (kvm_irqchip_in_kernel()) {
165         i8259 = kvm_i8259_init(isa_bus);
166     } else if (xen_enabled()) {
167         i8259 = xen_interrupt_controller_init();
168     } else {
169         cpu_irq = pc_allocate_cpu_irq();
170         i8259 = i8259_init(isa_bus, cpu_irq[0]);
171     }
172 
173     for (i = 0; i < ISA_NUM_IRQS; i++) {
174         gsi_state->i8259_irq[i] = i8259[i];
175     }
176     if (pci_enabled) {
177         ioapic_init_gsi(gsi_state, "i440fx");
178     }
179     qdev_init_nofail(icc_bridge);
180 
181     pc_register_ferr_irq(gsi[13]);
182 
183     pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
184 
185     /* init basic PC hardware */
186     pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled());
187 
188     pc_nic_init(isa_bus, pci_bus);
189 
190     ide_drive_get(hd, MAX_IDE_BUS);
191     if (pci_enabled) {
192         PCIDevice *dev;
193         if (xen_enabled()) {
194             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
195         } else {
196             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
197         }
198         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
199         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
200     } else {
201         for(i = 0; i < MAX_IDE_BUS; i++) {
202             ISADevice *dev;
203             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
204                                ide_irq[i],
205                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
206             idebus[i] = qdev_get_child_bus(DEVICE(dev), "ide.0");
207         }
208     }
209 
210     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
211                  floppy, idebus[0], idebus[1], rtc_state);
212 
213     if (pci_enabled && usb_enabled(false)) {
214         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
215     }
216 
217     if (pci_enabled && acpi_enabled) {
218         i2c_bus *smbus;
219 
220         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
221         /* TODO: Populate SPD eeprom data.  */
222         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
223                               gsi[9], *smi_irq,
224                               kvm_enabled(), fw_cfg);
225         smbus_eeprom_init(smbus, 8, NULL, 0);
226     }
227 
228     if (pci_enabled) {
229         pc_pci_device_init(pci_bus);
230     }
231 
232     if (has_pvpanic) {
233         pvpanic_init(isa_bus);
234     }
235 }
236 
237 static void pc_init_pci(QEMUMachineInitArgs *args)
238 {
239     ram_addr_t ram_size = args->ram_size;
240     const char *cpu_model = args->cpu_model;
241     const char *kernel_filename = args->kernel_filename;
242     const char *kernel_cmdline = args->kernel_cmdline;
243     const char *initrd_filename = args->initrd_filename;
244     const char *boot_device = args->boot_device;
245     pc_init1(get_system_memory(),
246              get_system_io(),
247              ram_size, boot_device,
248              kernel_filename, kernel_cmdline,
249              initrd_filename, cpu_model, 1, 1);
250 }
251 
252 static void pc_init_pci_1_5(QEMUMachineInitArgs *args)
253 {
254     has_pci_info = false;
255     pc_init_pci(args);
256 }
257 
258 static void pc_init_pci_1_4(QEMUMachineInitArgs *args)
259 {
260     has_pvpanic = false;
261     x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
262     pc_init_pci_1_5(args);
263 }
264 
265 static void pc_init_pci_1_3(QEMUMachineInitArgs *args)
266 {
267     enable_compat_apic_id_mode();
268     pc_init_pci_1_4(args);
269 }
270 
271 /* PC machine init function for pc-1.1 to pc-1.2 */
272 static void pc_init_pci_1_2(QEMUMachineInitArgs *args)
273 {
274     disable_kvm_pv_eoi();
275     pc_init_pci_1_3(args);
276 }
277 
278 /* PC machine init function for pc-0.14 to pc-1.0 */
279 static void pc_init_pci_1_0(QEMUMachineInitArgs *args)
280 {
281     pc_init_pci_1_2(args);
282 }
283 
284 /* PC init function for pc-0.10 to pc-0.13, and reused by xenfv */
285 static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args)
286 {
287     ram_addr_t ram_size = args->ram_size;
288     const char *cpu_model = args->cpu_model;
289     const char *kernel_filename = args->kernel_filename;
290     const char *kernel_cmdline = args->kernel_cmdline;
291     const char *initrd_filename = args->initrd_filename;
292     const char *boot_device = args->boot_device;
293     has_pvpanic = false;
294     has_pci_info = false;
295     disable_kvm_pv_eoi();
296     enable_compat_apic_id_mode();
297     pc_init1(get_system_memory(),
298              get_system_io(),
299              ram_size, boot_device,
300              kernel_filename, kernel_cmdline,
301              initrd_filename, cpu_model, 1, 0);
302 }
303 
304 static void pc_init_isa(QEMUMachineInitArgs *args)
305 {
306     ram_addr_t ram_size = args->ram_size;
307     const char *cpu_model = args->cpu_model;
308     const char *kernel_filename = args->kernel_filename;
309     const char *kernel_cmdline = args->kernel_cmdline;
310     const char *initrd_filename = args->initrd_filename;
311     const char *boot_device = args->boot_device;
312     has_pvpanic = false;
313     has_pci_info = false;
314     if (cpu_model == NULL)
315         cpu_model = "486";
316     disable_kvm_pv_eoi();
317     enable_compat_apic_id_mode();
318     pc_init1(get_system_memory(),
319              get_system_io(),
320              ram_size, boot_device,
321              kernel_filename, kernel_cmdline,
322              initrd_filename, cpu_model, 0, 1);
323 }
324 
325 #ifdef CONFIG_XEN
326 static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
327 {
328     PCIBus *bus;
329 
330     pc_init_pci(args);
331 
332     bus = pci_find_primary_bus();
333     if (bus != NULL) {
334         pci_create_simple(bus, -1, "xen-platform");
335     }
336 }
337 #endif
338 
339 static QEMUMachine pc_i440fx_machine_v1_6 = {
340     .name = "pc-i440fx-1.6",
341     .alias = "pc",
342     .desc = "Standard PC (i440FX + PIIX, 1996)",
343     .init = pc_init_pci,
344     .hot_add_cpu = pc_hot_add_cpu,
345     .max_cpus = 255,
346     .is_default = 1,
347     DEFAULT_MACHINE_OPTIONS,
348 };
349 
350 static QEMUMachine pc_i440fx_machine_v1_5 = {
351     .name = "pc-i440fx-1.5",
352     .desc = "Standard PC (i440FX + PIIX, 1996)",
353     .init = pc_init_pci_1_5,
354     .hot_add_cpu = pc_hot_add_cpu,
355     .max_cpus = 255,
356     .compat_props = (GlobalProperty[]) {
357         PC_COMPAT_1_5,
358         { /* end of list */ }
359     },
360     DEFAULT_MACHINE_OPTIONS,
361 };
362 
363 static QEMUMachine pc_i440fx_machine_v1_4 = {
364     .name = "pc-i440fx-1.4",
365     .desc = "Standard PC (i440FX + PIIX, 1996)",
366     .init = pc_init_pci_1_4,
367     .max_cpus = 255,
368     .compat_props = (GlobalProperty[]) {
369         PC_COMPAT_1_4,
370         { /* end of list */ }
371     },
372     DEFAULT_MACHINE_OPTIONS,
373 };
374 
375 #define PC_COMPAT_1_3 \
376 	PC_COMPAT_1_4, \
377         {\
378             .driver   = "usb-tablet",\
379             .property = "usb_version",\
380             .value    = stringify(1),\
381         },{\
382             .driver   = "virtio-net-pci",\
383             .property = "ctrl_mac_addr",\
384             .value    = "off",      \
385         },{ \
386             .driver   = "virtio-net-pci", \
387             .property = "mq", \
388             .value    = "off", \
389         }, {\
390             .driver   = "e1000",\
391             .property = "autonegotiation",\
392             .value    = "off",\
393         }
394 
395 static QEMUMachine pc_machine_v1_3 = {
396     .name = "pc-1.3",
397     .desc = "Standard PC",
398     .init = pc_init_pci_1_3,
399     .max_cpus = 255,
400     .compat_props = (GlobalProperty[]) {
401         PC_COMPAT_1_3,
402         { /* end of list */ }
403     },
404     DEFAULT_MACHINE_OPTIONS,
405 };
406 
407 #define PC_COMPAT_1_2 \
408         PC_COMPAT_1_3,\
409         {\
410             .driver   = "nec-usb-xhci",\
411             .property = "msi",\
412             .value    = "off",\
413         },{\
414             .driver   = "nec-usb-xhci",\
415             .property = "msix",\
416             .value    = "off",\
417         },{\
418             .driver   = "ivshmem",\
419             .property = "use64",\
420             .value    = "0",\
421         },{\
422             .driver   = "qxl",\
423             .property = "revision",\
424             .value    = stringify(3),\
425         },{\
426             .driver   = "qxl-vga",\
427             .property = "revision",\
428             .value    = stringify(3),\
429         },{\
430             .driver   = "VGA",\
431             .property = "mmio",\
432             .value    = "off",\
433         }
434 
435 static QEMUMachine pc_machine_v1_2 = {
436     .name = "pc-1.2",
437     .desc = "Standard PC",
438     .init = pc_init_pci_1_2,
439     .max_cpus = 255,
440     .compat_props = (GlobalProperty[]) {
441         PC_COMPAT_1_2,
442         { /* end of list */ }
443     },
444     DEFAULT_MACHINE_OPTIONS,
445 };
446 
447 #define PC_COMPAT_1_1 \
448         PC_COMPAT_1_2,\
449         {\
450             .driver   = "virtio-scsi-pci",\
451             .property = "hotplug",\
452             .value    = "off",\
453         },{\
454             .driver   = "virtio-scsi-pci",\
455             .property = "param_change",\
456             .value    = "off",\
457         },{\
458             .driver   = "VGA",\
459             .property = "vgamem_mb",\
460             .value    = stringify(8),\
461         },{\
462             .driver   = "vmware-svga",\
463             .property = "vgamem_mb",\
464             .value    = stringify(8),\
465         },{\
466             .driver   = "qxl-vga",\
467             .property = "vgamem_mb",\
468             .value    = stringify(8),\
469         },{\
470             .driver   = "qxl",\
471             .property = "vgamem_mb",\
472             .value    = stringify(8),\
473         },{\
474             .driver   = "virtio-blk-pci",\
475             .property = "config-wce",\
476             .value    = "off",\
477         }
478 
479 static QEMUMachine pc_machine_v1_1 = {
480     .name = "pc-1.1",
481     .desc = "Standard PC",
482     .init = pc_init_pci_1_2,
483     .max_cpus = 255,
484     .compat_props = (GlobalProperty[]) {
485         PC_COMPAT_1_1,
486         { /* end of list */ }
487     },
488     DEFAULT_MACHINE_OPTIONS,
489 };
490 
491 #define PC_COMPAT_1_0 \
492         PC_COMPAT_1_1,\
493         {\
494             .driver   = "pc-sysfw",\
495             .property = "rom_only",\
496             .value    = stringify(1),\
497         }, {\
498             .driver   = TYPE_ISA_FDC,\
499             .property = "check_media_rate",\
500             .value    = "off",\
501         }, {\
502             .driver   = "virtio-balloon-pci",\
503             .property = "class",\
504             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
505         },{\
506             .driver   = "apic",\
507             .property = "vapic",\
508             .value    = "off",\
509         },{\
510             .driver   = TYPE_USB_DEVICE,\
511             .property = "full-path",\
512             .value    = "no",\
513         }
514 
515 static QEMUMachine pc_machine_v1_0 = {
516     .name = "pc-1.0",
517     .desc = "Standard PC",
518     .init = pc_init_pci_1_0,
519     .max_cpus = 255,
520     .compat_props = (GlobalProperty[]) {
521         PC_COMPAT_1_0,
522         { /* end of list */ }
523     },
524     .hw_version = "1.0",
525     DEFAULT_MACHINE_OPTIONS,
526 };
527 
528 #define PC_COMPAT_0_15 \
529         PC_COMPAT_1_0
530 
531 static QEMUMachine pc_machine_v0_15 = {
532     .name = "pc-0.15",
533     .desc = "Standard PC",
534     .init = pc_init_pci_1_0,
535     .max_cpus = 255,
536     .compat_props = (GlobalProperty[]) {
537         PC_COMPAT_0_15,
538         { /* end of list */ }
539     },
540     .hw_version = "0.15",
541     DEFAULT_MACHINE_OPTIONS,
542 };
543 
544 #define PC_COMPAT_0_14 \
545         PC_COMPAT_0_15,\
546         {\
547             .driver   = "virtio-blk-pci",\
548             .property = "event_idx",\
549             .value    = "off",\
550         },{\
551             .driver   = "virtio-serial-pci",\
552             .property = "event_idx",\
553             .value    = "off",\
554         },{\
555             .driver   = "virtio-net-pci",\
556             .property = "event_idx",\
557             .value    = "off",\
558         },{\
559             .driver   = "virtio-balloon-pci",\
560             .property = "event_idx",\
561             .value    = "off",\
562         }
563 
564 static QEMUMachine pc_machine_v0_14 = {
565     .name = "pc-0.14",
566     .desc = "Standard PC",
567     .init = pc_init_pci_1_0,
568     .max_cpus = 255,
569     .compat_props = (GlobalProperty[]) {
570         PC_COMPAT_0_14,
571         {
572             .driver   = "qxl",
573             .property = "revision",
574             .value    = stringify(2),
575         },{
576             .driver   = "qxl-vga",
577             .property = "revision",
578             .value    = stringify(2),
579         },
580         { /* end of list */ }
581     },
582     .hw_version = "0.14",
583     DEFAULT_MACHINE_OPTIONS,
584 };
585 
586 #define PC_COMPAT_0_13 \
587         PC_COMPAT_0_14,\
588         {\
589             .driver   = TYPE_PCI_DEVICE,\
590             .property = "command_serr_enable",\
591             .value    = "off",\
592         },{\
593             .driver   = "AC97",\
594             .property = "use_broken_id",\
595             .value    = stringify(1),\
596         }
597 
598 static QEMUMachine pc_machine_v0_13 = {
599     .name = "pc-0.13",
600     .desc = "Standard PC",
601     .init = pc_init_pci_no_kvmclock,
602     .max_cpus = 255,
603     .compat_props = (GlobalProperty[]) {
604         PC_COMPAT_0_13,
605         {
606             .driver   = "virtio-9p-pci",
607             .property = "vectors",
608             .value    = stringify(0),
609         },{
610             .driver   = "VGA",
611             .property = "rombar",
612             .value    = stringify(0),
613         },{
614             .driver   = "vmware-svga",
615             .property = "rombar",
616             .value    = stringify(0),
617         },
618         { /* end of list */ }
619     },
620     .hw_version = "0.13",
621     DEFAULT_MACHINE_OPTIONS,
622 };
623 
624 #define PC_COMPAT_0_12 \
625         PC_COMPAT_0_13,\
626         {\
627             .driver   = "virtio-serial-pci",\
628             .property = "max_ports",\
629             .value    = stringify(1),\
630         },{\
631             .driver   = "virtio-serial-pci",\
632             .property = "vectors",\
633             .value    = stringify(0),\
634         },{\
635             .driver   = "usb-mouse",\
636             .property = "serial",\
637             .value    = "1",\
638         },{\
639             .driver   = "usb-tablet",\
640             .property = "serial",\
641             .value    = "1",\
642         },{\
643             .driver   = "usb-kbd",\
644             .property = "serial",\
645             .value    = "1",\
646         }
647 
648 static QEMUMachine pc_machine_v0_12 = {
649     .name = "pc-0.12",
650     .desc = "Standard PC",
651     .init = pc_init_pci_no_kvmclock,
652     .max_cpus = 255,
653     .compat_props = (GlobalProperty[]) {
654         PC_COMPAT_0_12,
655         {
656             .driver   = "VGA",
657             .property = "rombar",
658             .value    = stringify(0),
659         },{
660             .driver   = "vmware-svga",
661             .property = "rombar",
662             .value    = stringify(0),
663         },
664         { /* end of list */ }
665     },
666     .hw_version = "0.12",
667     DEFAULT_MACHINE_OPTIONS,
668 };
669 
670 #define PC_COMPAT_0_11 \
671         PC_COMPAT_0_12,\
672         {\
673             .driver   = "virtio-blk-pci",\
674             .property = "vectors",\
675             .value    = stringify(0),\
676         },{\
677             .driver   = TYPE_PCI_DEVICE,\
678             .property = "rombar",\
679             .value    = stringify(0),\
680         }
681 
682 static QEMUMachine pc_machine_v0_11 = {
683     .name = "pc-0.11",
684     .desc = "Standard PC, qemu 0.11",
685     .init = pc_init_pci_no_kvmclock,
686     .max_cpus = 255,
687     .compat_props = (GlobalProperty[]) {
688         PC_COMPAT_0_11,
689         {
690             .driver   = "ide-drive",
691             .property = "ver",
692             .value    = "0.11",
693         },{
694             .driver   = "scsi-disk",
695             .property = "ver",
696             .value    = "0.11",
697         },
698         { /* end of list */ }
699     },
700     .hw_version = "0.11",
701     DEFAULT_MACHINE_OPTIONS,
702 };
703 
704 static QEMUMachine pc_machine_v0_10 = {
705     .name = "pc-0.10",
706     .desc = "Standard PC, qemu 0.10",
707     .init = pc_init_pci_no_kvmclock,
708     .max_cpus = 255,
709     .compat_props = (GlobalProperty[]) {
710         PC_COMPAT_0_11,
711         {
712             .driver   = "virtio-blk-pci",
713             .property = "class",
714             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
715         },{
716             .driver   = "virtio-serial-pci",
717             .property = "class",
718             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
719         },{
720             .driver   = "virtio-net-pci",
721             .property = "vectors",
722             .value    = stringify(0),
723         },{
724             .driver   = "ide-drive",
725             .property = "ver",
726             .value    = "0.10",
727         },{
728             .driver   = "scsi-disk",
729             .property = "ver",
730             .value    = "0.10",
731         },
732         { /* end of list */ }
733     },
734     .hw_version = "0.10",
735     DEFAULT_MACHINE_OPTIONS,
736 };
737 
738 static QEMUMachine isapc_machine = {
739     .name = "isapc",
740     .desc = "ISA-only PC",
741     .init = pc_init_isa,
742     .max_cpus = 1,
743     .compat_props = (GlobalProperty[]) {
744         {
745             .driver   = "pc-sysfw",
746             .property = "rom_only",
747             .value    = stringify(1),
748         },
749         {
750             .driver   = "pc-sysfw",
751             .property = "isapc_ram_fw",
752             .value    = stringify(1),
753         },
754         { /* end of list */ }
755     },
756     DEFAULT_MACHINE_OPTIONS,
757 };
758 
759 #ifdef CONFIG_XEN
760 static QEMUMachine xenfv_machine = {
761     .name = "xenfv",
762     .desc = "Xen Fully-virtualized PC",
763     .init = pc_xen_hvm_init,
764     .max_cpus = HVM_MAX_VCPUS,
765     .default_machine_opts = "accel=xen",
766     DEFAULT_MACHINE_OPTIONS,
767 };
768 #endif
769 
770 static void pc_machine_init(void)
771 {
772     qemu_register_machine(&pc_i440fx_machine_v1_6);
773     qemu_register_machine(&pc_i440fx_machine_v1_5);
774     qemu_register_machine(&pc_i440fx_machine_v1_4);
775     qemu_register_machine(&pc_machine_v1_3);
776     qemu_register_machine(&pc_machine_v1_2);
777     qemu_register_machine(&pc_machine_v1_1);
778     qemu_register_machine(&pc_machine_v1_0);
779     qemu_register_machine(&pc_machine_v0_15);
780     qemu_register_machine(&pc_machine_v0_14);
781     qemu_register_machine(&pc_machine_v0_13);
782     qemu_register_machine(&pc_machine_v0_12);
783     qemu_register_machine(&pc_machine_v0_11);
784     qemu_register_machine(&pc_machine_v0_10);
785     qemu_register_machine(&isapc_machine);
786 #ifdef CONFIG_XEN
787     qemu_register_machine(&xenfv_machine);
788 #endif
789 }
790 
791 machine_init(pc_machine_init);
792