xref: /openbmc/qemu/hw/i386/pc_piix.c (revision 6b63ef4d0f225810b74281e6689a4d5695860c08)
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/loader.h"
29 #include "hw/i386/pc.h"
30 #include "hw/i386/apic.h"
31 #include "hw/pci/pci.h"
32 #include "hw/pci/pci_ids.h"
33 #include "hw/usb.h"
34 #include "net/net.h"
35 #include "hw/boards.h"
36 #include "hw/ide.h"
37 #include "sysemu/kvm.h"
38 #include "hw/kvm/clock.h"
39 #include "sysemu/sysemu.h"
40 #include "hw/sysbus.h"
41 #include "hw/cpu/icc_bus.h"
42 #include "sysemu/arch_init.h"
43 #include "sysemu/blockdev.h"
44 #include "hw/i2c/smbus.h"
45 #include "hw/xen/xen.h"
46 #include "exec/memory.h"
47 #include "exec/address-spaces.h"
48 #include "hw/acpi/acpi.h"
49 #include "cpu.h"
50 #ifdef CONFIG_XEN
51 #  include <xen/hvm/hvm_info_table.h>
52 #endif
53 
54 #define MAX_IDE_BUS 2
55 
56 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
57 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
58 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
59 
60 static bool has_pvpanic;
61 static bool has_pci_info = true;
62 
63 /* PC hardware initialisation */
64 static void pc_init1(MemoryRegion *system_memory,
65                      MemoryRegion *system_io,
66                      ram_addr_t ram_size,
67                      const char *boot_device,
68                      const char *kernel_filename,
69                      const char *kernel_cmdline,
70                      const char *initrd_filename,
71                      const char *cpu_model,
72                      int pci_enabled,
73                      int kvmclock_enabled)
74 {
75     int i;
76     ram_addr_t below_4g_mem_size, above_4g_mem_size;
77     PCIBus *pci_bus;
78     ISABus *isa_bus;
79     PCII440FXState *i440fx_state;
80     int piix3_devfn = -1;
81     qemu_irq *cpu_irq;
82     qemu_irq *gsi;
83     qemu_irq *i8259;
84     qemu_irq *smi_irq;
85     GSIState *gsi_state;
86     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
87     BusState *idebus[MAX_IDE_BUS];
88     ISADevice *rtc_state;
89     ISADevice *floppy;
90     MemoryRegion *ram_memory;
91     MemoryRegion *pci_memory;
92     MemoryRegion *rom_memory;
93     DeviceState *icc_bridge;
94     FWCfgState *fw_cfg = NULL;
95     PcGuestInfo *guest_info;
96 
97     if (xen_enabled() && xen_hvm_init() != 0) {
98         fprintf(stderr, "xen hardware virtual machine initialisation failed\n");
99         exit(1);
100     }
101 
102     icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
103     object_property_add_child(qdev_get_machine(), "icc-bridge",
104                               OBJECT(icc_bridge), NULL);
105 
106     pc_cpus_init(cpu_model, icc_bridge);
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     guest_info->isapc_ram_fw = !pci_enabled;
132 
133     /* allocate ram and load rom/bios */
134     if (!xen_enabled()) {
135         fw_cfg = pc_memory_init(system_memory,
136                        kernel_filename, kernel_cmdline, initrd_filename,
137                        below_4g_mem_size, above_4g_mem_size,
138                        rom_memory, &ram_memory, guest_info);
139     }
140 
141     gsi_state = g_malloc0(sizeof(*gsi_state));
142     if (kvm_irqchip_in_kernel()) {
143         kvm_pc_setup_irq_routing(pci_enabled);
144         gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
145                                  GSI_NUM_PINS);
146     } else {
147         gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
148     }
149 
150     if (pci_enabled) {
151         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
152                               system_memory, system_io, ram_size,
153                               below_4g_mem_size,
154                               0x100000000ULL - below_4g_mem_size,
155                               above_4g_mem_size,
156                               pci_memory, ram_memory);
157     } else {
158         pci_bus = NULL;
159         i440fx_state = NULL;
160         isa_bus = isa_bus_new(NULL, system_io);
161         no_hpet = 1;
162     }
163     isa_bus_irqs(isa_bus, gsi);
164 
165     if (kvm_irqchip_in_kernel()) {
166         i8259 = kvm_i8259_init(isa_bus);
167     } else if (xen_enabled()) {
168         i8259 = xen_interrupt_controller_init();
169     } else {
170         cpu_irq = pc_allocate_cpu_irq();
171         i8259 = i8259_init(isa_bus, cpu_irq[0]);
172     }
173 
174     for (i = 0; i < ISA_NUM_IRQS; i++) {
175         gsi_state->i8259_irq[i] = i8259[i];
176     }
177     if (pci_enabled) {
178         ioapic_init_gsi(gsi_state, "i440fx");
179     }
180     qdev_init_nofail(icc_bridge);
181 
182     pc_register_ferr_irq(gsi[13]);
183 
184     pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
185 
186     /* init basic PC hardware */
187     pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled());
188 
189     pc_nic_init(isa_bus, pci_bus);
190 
191     ide_drive_get(hd, MAX_IDE_BUS);
192     if (pci_enabled) {
193         PCIDevice *dev;
194         if (xen_enabled()) {
195             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
196         } else {
197             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
198         }
199         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
200         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
201     } else {
202         for(i = 0; i < MAX_IDE_BUS; i++) {
203             ISADevice *dev;
204             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
205                                ide_irq[i],
206                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
207             idebus[i] = qdev_get_child_bus(DEVICE(dev), "ide.0");
208         }
209     }
210 
211     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
212                  floppy, idebus[0], idebus[1], rtc_state);
213 
214     if (pci_enabled && usb_enabled(false)) {
215         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
216     }
217 
218     if (pci_enabled && acpi_enabled) {
219         i2c_bus *smbus;
220 
221         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
222         /* TODO: Populate SPD eeprom data.  */
223         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
224                               gsi[9], *smi_irq,
225                               kvm_enabled(), fw_cfg);
226         smbus_eeprom_init(smbus, 8, NULL, 0);
227     }
228 
229     if (pci_enabled) {
230         pc_pci_device_init(pci_bus);
231     }
232 
233     if (has_pvpanic) {
234         pvpanic_init(isa_bus);
235     }
236 }
237 
238 static void pc_init_pci(QEMUMachineInitArgs *args)
239 {
240     ram_addr_t ram_size = args->ram_size;
241     const char *cpu_model = args->cpu_model;
242     const char *kernel_filename = args->kernel_filename;
243     const char *kernel_cmdline = args->kernel_cmdline;
244     const char *initrd_filename = args->initrd_filename;
245     const char *boot_device = args->boot_device;
246     pc_init1(get_system_memory(),
247              get_system_io(),
248              ram_size, boot_device,
249              kernel_filename, kernel_cmdline,
250              initrd_filename, cpu_model, 1, 1);
251 }
252 
253 static void pc_init_pci_1_6(QEMUMachineInitArgs *args)
254 {
255     has_pci_info = false;
256     rom_file_in_ram = false;
257     pc_init_pci(args);
258 }
259 
260 static void pc_init_pci_1_5(QEMUMachineInitArgs *args)
261 {
262     has_pvpanic = true;
263     pc_init_pci_1_6(args);
264 }
265 
266 static void pc_init_pci_1_4(QEMUMachineInitArgs *args)
267 {
268     x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
269     x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0, CPUID_EXT_PCLMULQDQ);
270     /* 1.5 was special - it enabled pvpanic in builtin machine */
271     pc_init_pci_1_6(args);
272 }
273 
274 static void pc_init_pci_1_3(QEMUMachineInitArgs *args)
275 {
276     enable_compat_apic_id_mode();
277     pc_init_pci_1_4(args);
278 }
279 
280 /* PC machine init function for pc-1.1 to pc-1.2 */
281 static void pc_init_pci_1_2(QEMUMachineInitArgs *args)
282 {
283     disable_kvm_pv_eoi();
284     pc_init_pci_1_3(args);
285 }
286 
287 /* PC machine init function for pc-0.14 to pc-1.0 */
288 static void pc_init_pci_1_0(QEMUMachineInitArgs *args)
289 {
290     pc_init_pci_1_2(args);
291 }
292 
293 /* PC init function for pc-0.10 to pc-0.13, and reused by xenfv */
294 static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args)
295 {
296     ram_addr_t ram_size = args->ram_size;
297     const char *cpu_model = args->cpu_model;
298     const char *kernel_filename = args->kernel_filename;
299     const char *kernel_cmdline = args->kernel_cmdline;
300     const char *initrd_filename = args->initrd_filename;
301     const char *boot_device = args->boot_device;
302     has_pci_info = false;
303     disable_kvm_pv_eoi();
304     enable_compat_apic_id_mode();
305     pc_init1(get_system_memory(),
306              get_system_io(),
307              ram_size, boot_device,
308              kernel_filename, kernel_cmdline,
309              initrd_filename, cpu_model, 1, 0);
310 }
311 
312 static void pc_init_isa(QEMUMachineInitArgs *args)
313 {
314     ram_addr_t ram_size = args->ram_size;
315     const char *cpu_model = args->cpu_model;
316     const char *kernel_filename = args->kernel_filename;
317     const char *kernel_cmdline = args->kernel_cmdline;
318     const char *initrd_filename = args->initrd_filename;
319     const char *boot_device = args->boot_device;
320     has_pci_info = false;
321     if (cpu_model == NULL)
322         cpu_model = "486";
323     disable_kvm_pv_eoi();
324     enable_compat_apic_id_mode();
325     pc_init1(get_system_memory(),
326              get_system_io(),
327              ram_size, boot_device,
328              kernel_filename, kernel_cmdline,
329              initrd_filename, cpu_model, 0, 1);
330 }
331 
332 #ifdef CONFIG_XEN
333 static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
334 {
335     PCIBus *bus;
336 
337     pc_init_pci(args);
338 
339     bus = pci_find_primary_bus();
340     if (bus != NULL) {
341         pci_create_simple(bus, -1, "xen-platform");
342     }
343 }
344 #endif
345 
346 static QEMUMachine pc_i440fx_machine_v1_6 = {
347     .name = "pc-i440fx-1.6",
348     .alias = "pc",
349     .desc = "Standard PC (i440FX + PIIX, 1996)",
350     .init = pc_init_pci_1_6,
351     .hot_add_cpu = pc_hot_add_cpu,
352     .max_cpus = 255,
353     .is_default = 1,
354     DEFAULT_MACHINE_OPTIONS,
355 };
356 
357 static QEMUMachine pc_i440fx_machine_v1_5 = {
358     .name = "pc-i440fx-1.5",
359     .desc = "Standard PC (i440FX + PIIX, 1996)",
360     .init = pc_init_pci_1_5,
361     .hot_add_cpu = pc_hot_add_cpu,
362     .max_cpus = 255,
363     .compat_props = (GlobalProperty[]) {
364         PC_COMPAT_1_5,
365         { /* end of list */ }
366     },
367     DEFAULT_MACHINE_OPTIONS,
368 };
369 
370 static QEMUMachine pc_i440fx_machine_v1_4 = {
371     .name = "pc-i440fx-1.4",
372     .desc = "Standard PC (i440FX + PIIX, 1996)",
373     .init = pc_init_pci_1_4,
374     .max_cpus = 255,
375     .compat_props = (GlobalProperty[]) {
376         PC_COMPAT_1_4,
377         { /* end of list */ }
378     },
379     DEFAULT_MACHINE_OPTIONS,
380 };
381 
382 #define PC_COMPAT_1_3 \
383 	PC_COMPAT_1_4, \
384         {\
385             .driver   = "usb-tablet",\
386             .property = "usb_version",\
387             .value    = stringify(1),\
388         },{\
389             .driver   = "virtio-net-pci",\
390             .property = "ctrl_mac_addr",\
391             .value    = "off",      \
392         },{ \
393             .driver   = "virtio-net-pci", \
394             .property = "mq", \
395             .value    = "off", \
396         }, {\
397             .driver   = "e1000",\
398             .property = "autonegotiation",\
399             .value    = "off",\
400         }
401 
402 static QEMUMachine pc_machine_v1_3 = {
403     .name = "pc-1.3",
404     .desc = "Standard PC",
405     .init = pc_init_pci_1_3,
406     .max_cpus = 255,
407     .compat_props = (GlobalProperty[]) {
408         PC_COMPAT_1_3,
409         { /* end of list */ }
410     },
411     DEFAULT_MACHINE_OPTIONS,
412 };
413 
414 #define PC_COMPAT_1_2 \
415         PC_COMPAT_1_3,\
416         {\
417             .driver   = "nec-usb-xhci",\
418             .property = "msi",\
419             .value    = "off",\
420         },{\
421             .driver   = "nec-usb-xhci",\
422             .property = "msix",\
423             .value    = "off",\
424         },{\
425             .driver   = "ivshmem",\
426             .property = "use64",\
427             .value    = "0",\
428         },{\
429             .driver   = "qxl",\
430             .property = "revision",\
431             .value    = stringify(3),\
432         },{\
433             .driver   = "qxl-vga",\
434             .property = "revision",\
435             .value    = stringify(3),\
436         },{\
437             .driver   = "VGA",\
438             .property = "mmio",\
439             .value    = "off",\
440         }
441 
442 static QEMUMachine pc_machine_v1_2 = {
443     .name = "pc-1.2",
444     .desc = "Standard PC",
445     .init = pc_init_pci_1_2,
446     .max_cpus = 255,
447     .compat_props = (GlobalProperty[]) {
448         PC_COMPAT_1_2,
449         { /* end of list */ }
450     },
451     DEFAULT_MACHINE_OPTIONS,
452 };
453 
454 #define PC_COMPAT_1_1 \
455         PC_COMPAT_1_2,\
456         {\
457             .driver   = "virtio-scsi-pci",\
458             .property = "hotplug",\
459             .value    = "off",\
460         },{\
461             .driver   = "virtio-scsi-pci",\
462             .property = "param_change",\
463             .value    = "off",\
464         },{\
465             .driver   = "VGA",\
466             .property = "vgamem_mb",\
467             .value    = stringify(8),\
468         },{\
469             .driver   = "vmware-svga",\
470             .property = "vgamem_mb",\
471             .value    = stringify(8),\
472         },{\
473             .driver   = "qxl-vga",\
474             .property = "vgamem_mb",\
475             .value    = stringify(8),\
476         },{\
477             .driver   = "qxl",\
478             .property = "vgamem_mb",\
479             .value    = stringify(8),\
480         },{\
481             .driver   = "virtio-blk-pci",\
482             .property = "config-wce",\
483             .value    = "off",\
484         }
485 
486 static QEMUMachine pc_machine_v1_1 = {
487     .name = "pc-1.1",
488     .desc = "Standard PC",
489     .init = pc_init_pci_1_2,
490     .max_cpus = 255,
491     .compat_props = (GlobalProperty[]) {
492         PC_COMPAT_1_1,
493         { /* end of list */ }
494     },
495     DEFAULT_MACHINE_OPTIONS,
496 };
497 
498 #define PC_COMPAT_1_0 \
499         PC_COMPAT_1_1,\
500         {\
501             .driver   = TYPE_ISA_FDC,\
502             .property = "check_media_rate",\
503             .value    = "off",\
504         }, {\
505             .driver   = "virtio-balloon-pci",\
506             .property = "class",\
507             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
508         },{\
509             .driver   = "apic",\
510             .property = "vapic",\
511             .value    = "off",\
512         },{\
513             .driver   = TYPE_USB_DEVICE,\
514             .property = "full-path",\
515             .value    = "no",\
516         }
517 
518 static QEMUMachine pc_machine_v1_0 = {
519     .name = "pc-1.0",
520     .desc = "Standard PC",
521     .init = pc_init_pci_1_0,
522     .max_cpus = 255,
523     .compat_props = (GlobalProperty[]) {
524         PC_COMPAT_1_0,
525         { /* end of list */ }
526     },
527     .hw_version = "1.0",
528     DEFAULT_MACHINE_OPTIONS,
529 };
530 
531 #define PC_COMPAT_0_15 \
532         PC_COMPAT_1_0
533 
534 static QEMUMachine pc_machine_v0_15 = {
535     .name = "pc-0.15",
536     .desc = "Standard PC",
537     .init = pc_init_pci_1_0,
538     .max_cpus = 255,
539     .compat_props = (GlobalProperty[]) {
540         PC_COMPAT_0_15,
541         { /* end of list */ }
542     },
543     .hw_version = "0.15",
544     DEFAULT_MACHINE_OPTIONS,
545 };
546 
547 #define PC_COMPAT_0_14 \
548         PC_COMPAT_0_15,\
549         {\
550             .driver   = "virtio-blk-pci",\
551             .property = "event_idx",\
552             .value    = "off",\
553         },{\
554             .driver   = "virtio-serial-pci",\
555             .property = "event_idx",\
556             .value    = "off",\
557         },{\
558             .driver   = "virtio-net-pci",\
559             .property = "event_idx",\
560             .value    = "off",\
561         },{\
562             .driver   = "virtio-balloon-pci",\
563             .property = "event_idx",\
564             .value    = "off",\
565         }
566 
567 static QEMUMachine pc_machine_v0_14 = {
568     .name = "pc-0.14",
569     .desc = "Standard PC",
570     .init = pc_init_pci_1_0,
571     .max_cpus = 255,
572     .compat_props = (GlobalProperty[]) {
573         PC_COMPAT_0_14,
574         {
575             .driver   = "qxl",
576             .property = "revision",
577             .value    = stringify(2),
578         },{
579             .driver   = "qxl-vga",
580             .property = "revision",
581             .value    = stringify(2),
582         },
583         { /* end of list */ }
584     },
585     .hw_version = "0.14",
586     DEFAULT_MACHINE_OPTIONS,
587 };
588 
589 #define PC_COMPAT_0_13 \
590         PC_COMPAT_0_14,\
591         {\
592             .driver   = TYPE_PCI_DEVICE,\
593             .property = "command_serr_enable",\
594             .value    = "off",\
595         },{\
596             .driver   = "AC97",\
597             .property = "use_broken_id",\
598             .value    = stringify(1),\
599         }
600 
601 static QEMUMachine pc_machine_v0_13 = {
602     .name = "pc-0.13",
603     .desc = "Standard PC",
604     .init = pc_init_pci_no_kvmclock,
605     .max_cpus = 255,
606     .compat_props = (GlobalProperty[]) {
607         PC_COMPAT_0_13,
608         {
609             .driver   = "virtio-9p-pci",
610             .property = "vectors",
611             .value    = stringify(0),
612         },{
613             .driver   = "VGA",
614             .property = "rombar",
615             .value    = stringify(0),
616         },{
617             .driver   = "vmware-svga",
618             .property = "rombar",
619             .value    = stringify(0),
620         },
621         { /* end of list */ }
622     },
623     .hw_version = "0.13",
624     DEFAULT_MACHINE_OPTIONS,
625 };
626 
627 #define PC_COMPAT_0_12 \
628         PC_COMPAT_0_13,\
629         {\
630             .driver   = "virtio-serial-pci",\
631             .property = "max_ports",\
632             .value    = stringify(1),\
633         },{\
634             .driver   = "virtio-serial-pci",\
635             .property = "vectors",\
636             .value    = stringify(0),\
637         },{\
638             .driver   = "usb-mouse",\
639             .property = "serial",\
640             .value    = "1",\
641         },{\
642             .driver   = "usb-tablet",\
643             .property = "serial",\
644             .value    = "1",\
645         },{\
646             .driver   = "usb-kbd",\
647             .property = "serial",\
648             .value    = "1",\
649         }
650 
651 static QEMUMachine pc_machine_v0_12 = {
652     .name = "pc-0.12",
653     .desc = "Standard PC",
654     .init = pc_init_pci_no_kvmclock,
655     .max_cpus = 255,
656     .compat_props = (GlobalProperty[]) {
657         PC_COMPAT_0_12,
658         {
659             .driver   = "VGA",
660             .property = "rombar",
661             .value    = stringify(0),
662         },{
663             .driver   = "vmware-svga",
664             .property = "rombar",
665             .value    = stringify(0),
666         },
667         { /* end of list */ }
668     },
669     .hw_version = "0.12",
670     DEFAULT_MACHINE_OPTIONS,
671 };
672 
673 #define PC_COMPAT_0_11 \
674         PC_COMPAT_0_12,\
675         {\
676             .driver   = "virtio-blk-pci",\
677             .property = "vectors",\
678             .value    = stringify(0),\
679         },{\
680             .driver   = TYPE_PCI_DEVICE,\
681             .property = "rombar",\
682             .value    = stringify(0),\
683         }
684 
685 static QEMUMachine pc_machine_v0_11 = {
686     .name = "pc-0.11",
687     .desc = "Standard PC, qemu 0.11",
688     .init = pc_init_pci_no_kvmclock,
689     .max_cpus = 255,
690     .compat_props = (GlobalProperty[]) {
691         PC_COMPAT_0_11,
692         {
693             .driver   = "ide-drive",
694             .property = "ver",
695             .value    = "0.11",
696         },{
697             .driver   = "scsi-disk",
698             .property = "ver",
699             .value    = "0.11",
700         },
701         { /* end of list */ }
702     },
703     .hw_version = "0.11",
704     DEFAULT_MACHINE_OPTIONS,
705 };
706 
707 static QEMUMachine pc_machine_v0_10 = {
708     .name = "pc-0.10",
709     .desc = "Standard PC, qemu 0.10",
710     .init = pc_init_pci_no_kvmclock,
711     .max_cpus = 255,
712     .compat_props = (GlobalProperty[]) {
713         PC_COMPAT_0_11,
714         {
715             .driver   = "virtio-blk-pci",
716             .property = "class",
717             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
718         },{
719             .driver   = "virtio-serial-pci",
720             .property = "class",
721             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
722         },{
723             .driver   = "virtio-net-pci",
724             .property = "vectors",
725             .value    = stringify(0),
726         },{
727             .driver   = "ide-drive",
728             .property = "ver",
729             .value    = "0.10",
730         },{
731             .driver   = "scsi-disk",
732             .property = "ver",
733             .value    = "0.10",
734         },
735         { /* end of list */ }
736     },
737     .hw_version = "0.10",
738     DEFAULT_MACHINE_OPTIONS,
739 };
740 
741 static QEMUMachine isapc_machine = {
742     .name = "isapc",
743     .desc = "ISA-only PC",
744     .init = pc_init_isa,
745     .max_cpus = 1,
746     .compat_props = (GlobalProperty[]) {
747         { /* end of list */ }
748     },
749     DEFAULT_MACHINE_OPTIONS,
750 };
751 
752 #ifdef CONFIG_XEN
753 static QEMUMachine xenfv_machine = {
754     .name = "xenfv",
755     .desc = "Xen Fully-virtualized PC",
756     .init = pc_xen_hvm_init,
757     .max_cpus = HVM_MAX_VCPUS,
758     .default_machine_opts = "accel=xen",
759     DEFAULT_MACHINE_OPTIONS,
760 };
761 #endif
762 
763 static void pc_machine_init(void)
764 {
765     qemu_register_machine(&pc_i440fx_machine_v1_6);
766     qemu_register_machine(&pc_i440fx_machine_v1_5);
767     qemu_register_machine(&pc_i440fx_machine_v1_4);
768     qemu_register_machine(&pc_machine_v1_3);
769     qemu_register_machine(&pc_machine_v1_2);
770     qemu_register_machine(&pc_machine_v1_1);
771     qemu_register_machine(&pc_machine_v1_0);
772     qemu_register_machine(&pc_machine_v0_15);
773     qemu_register_machine(&pc_machine_v0_14);
774     qemu_register_machine(&pc_machine_v0_13);
775     qemu_register_machine(&pc_machine_v0_12);
776     qemu_register_machine(&pc_machine_v0_11);
777     qemu_register_machine(&pc_machine_v0_10);
778     qemu_register_machine(&isapc_machine);
779 #ifdef CONFIG_XEN
780     qemu_register_machine(&xenfv_machine);
781 #endif
782 }
783 
784 machine_init(pc_machine_init);
785