xref: /openbmc/qemu/hw/i386/pc_piix.c (revision 2c9b15ca)
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 
61 /* PC hardware initialisation */
62 static void pc_init1(MemoryRegion *system_memory,
63                      MemoryRegion *system_io,
64                      ram_addr_t ram_size,
65                      const char *boot_device,
66                      const char *kernel_filename,
67                      const char *kernel_cmdline,
68                      const char *initrd_filename,
69                      const char *cpu_model,
70                      int pci_enabled,
71                      int kvmclock_enabled)
72 {
73     int i;
74     ram_addr_t below_4g_mem_size, above_4g_mem_size;
75     PCIBus *pci_bus;
76     ISABus *isa_bus;
77     PCII440FXState *i440fx_state;
78     int piix3_devfn = -1;
79     qemu_irq *cpu_irq;
80     qemu_irq *gsi;
81     qemu_irq *i8259;
82     qemu_irq *smi_irq;
83     GSIState *gsi_state;
84     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
85     BusState *idebus[MAX_IDE_BUS];
86     ISADevice *rtc_state;
87     ISADevice *floppy;
88     MemoryRegion *ram_memory;
89     MemoryRegion *pci_memory;
90     MemoryRegion *rom_memory;
91     DeviceState *icc_bridge;
92     FWCfgState *fw_cfg = NULL;
93 
94     if (xen_enabled() && xen_hvm_init() != 0) {
95         fprintf(stderr, "xen hardware virtual machine initialisation failed\n");
96         exit(1);
97     }
98 
99     icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
100     object_property_add_child(qdev_get_machine(), "icc-bridge",
101                               OBJECT(icc_bridge), NULL);
102 
103     pc_cpus_init(cpu_model, icc_bridge);
104     pc_acpi_init("acpi-dsdt.aml");
105 
106     if (kvm_enabled() && kvmclock_enabled) {
107         kvmclock_create();
108     }
109 
110     if (ram_size >= 0xe0000000 ) {
111         above_4g_mem_size = ram_size - 0xe0000000;
112         below_4g_mem_size = 0xe0000000;
113     } else {
114         above_4g_mem_size = 0;
115         below_4g_mem_size = ram_size;
116     }
117 
118     if (pci_enabled) {
119         pci_memory = g_new(MemoryRegion, 1);
120         memory_region_init(pci_memory, NULL, "pci", INT64_MAX);
121         rom_memory = pci_memory;
122     } else {
123         pci_memory = NULL;
124         rom_memory = system_memory;
125     }
126 
127     /* allocate ram and load rom/bios */
128     if (!xen_enabled()) {
129         fw_cfg = pc_memory_init(system_memory,
130                        kernel_filename, kernel_cmdline, initrd_filename,
131                        below_4g_mem_size, above_4g_mem_size,
132                        rom_memory, &ram_memory);
133     }
134 
135     gsi_state = g_malloc0(sizeof(*gsi_state));
136     if (kvm_irqchip_in_kernel()) {
137         kvm_pc_setup_irq_routing(pci_enabled);
138         gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
139                                  GSI_NUM_PINS);
140     } else {
141         gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
142     }
143 
144     if (pci_enabled) {
145         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
146                               system_memory, system_io, ram_size,
147                               below_4g_mem_size,
148                               0x100000000ULL - below_4g_mem_size,
149                               0x100000000ULL + above_4g_mem_size,
150                               (sizeof(hwaddr) == 4
151                                ? 0
152                                : ((uint64_t)1 << 62)),
153                               pci_memory, ram_memory);
154     } else {
155         pci_bus = NULL;
156         i440fx_state = NULL;
157         isa_bus = isa_bus_new(NULL, system_io);
158         no_hpet = 1;
159     }
160     isa_bus_irqs(isa_bus, gsi);
161 
162     if (kvm_irqchip_in_kernel()) {
163         i8259 = kvm_i8259_init(isa_bus);
164     } else if (xen_enabled()) {
165         i8259 = xen_interrupt_controller_init();
166     } else {
167         cpu_irq = pc_allocate_cpu_irq();
168         i8259 = i8259_init(isa_bus, cpu_irq[0]);
169     }
170 
171     for (i = 0; i < ISA_NUM_IRQS; i++) {
172         gsi_state->i8259_irq[i] = i8259[i];
173     }
174     if (pci_enabled) {
175         ioapic_init_gsi(gsi_state, "i440fx");
176     }
177     qdev_init_nofail(icc_bridge);
178 
179     pc_register_ferr_irq(gsi[13]);
180 
181     pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
182 
183     /* init basic PC hardware */
184     pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled());
185 
186     pc_nic_init(isa_bus, pci_bus);
187 
188     ide_drive_get(hd, MAX_IDE_BUS);
189     if (pci_enabled) {
190         PCIDevice *dev;
191         if (xen_enabled()) {
192             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
193         } else {
194             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
195         }
196         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
197         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
198     } else {
199         for(i = 0; i < MAX_IDE_BUS; i++) {
200             ISADevice *dev;
201             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
202                                ide_irq[i],
203                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
204             idebus[i] = qdev_get_child_bus(DEVICE(dev), "ide.0");
205         }
206     }
207 
208     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
209                  floppy, idebus[0], idebus[1], rtc_state);
210 
211     if (pci_enabled && usb_enabled(false)) {
212         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
213     }
214 
215     if (pci_enabled && acpi_enabled) {
216         i2c_bus *smbus;
217 
218         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt,
219                                      x86_env_get_cpu(first_cpu), 1);
220         /* TODO: Populate SPD eeprom data.  */
221         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
222                               gsi[9], *smi_irq,
223                               kvm_enabled(), fw_cfg);
224         smbus_eeprom_init(smbus, 8, NULL, 0);
225     }
226 
227     if (pci_enabled) {
228         pc_pci_device_init(pci_bus);
229     }
230 
231     if (has_pvpanic) {
232         pvpanic_init(isa_bus);
233     }
234 }
235 
236 static void pc_init_pci(QEMUMachineInitArgs *args)
237 {
238     ram_addr_t ram_size = args->ram_size;
239     const char *cpu_model = args->cpu_model;
240     const char *kernel_filename = args->kernel_filename;
241     const char *kernel_cmdline = args->kernel_cmdline;
242     const char *initrd_filename = args->initrd_filename;
243     const char *boot_device = args->boot_device;
244     pc_init1(get_system_memory(),
245              get_system_io(),
246              ram_size, boot_device,
247              kernel_filename, kernel_cmdline,
248              initrd_filename, cpu_model, 1, 1);
249 }
250 
251 static void pc_init_pci_1_4(QEMUMachineInitArgs *args)
252 {
253     has_pvpanic = false;
254     x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
255     pc_init_pci(args);
256 }
257 
258 static void pc_init_pci_1_3(QEMUMachineInitArgs *args)
259 {
260     enable_compat_apic_id_mode();
261     has_pvpanic = false;
262     pc_init_pci(args);
263 }
264 
265 /* PC machine init function for pc-1.1 to pc-1.2 */
266 static void pc_init_pci_1_2(QEMUMachineInitArgs *args)
267 {
268     disable_kvm_pv_eoi();
269     enable_compat_apic_id_mode();
270     has_pvpanic = false;
271     pc_init_pci(args);
272 }
273 
274 /* PC machine init function for pc-0.14 to pc-1.0 */
275 static void pc_init_pci_1_0(QEMUMachineInitArgs *args)
276 {
277     disable_kvm_pv_eoi();
278     enable_compat_apic_id_mode();
279     has_pvpanic = false;
280     pc_init_pci(args);
281 }
282 
283 /* PC init function for pc-0.10 to pc-0.13, and reused by xenfv */
284 static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args)
285 {
286     ram_addr_t ram_size = args->ram_size;
287     const char *cpu_model = args->cpu_model;
288     const char *kernel_filename = args->kernel_filename;
289     const char *kernel_cmdline = args->kernel_cmdline;
290     const char *initrd_filename = args->initrd_filename;
291     const char *boot_device = args->boot_device;
292     has_pvpanic = false;
293     disable_kvm_pv_eoi();
294     enable_compat_apic_id_mode();
295     pc_init1(get_system_memory(),
296              get_system_io(),
297              ram_size, boot_device,
298              kernel_filename, kernel_cmdline,
299              initrd_filename, cpu_model, 1, 0);
300 }
301 
302 static void pc_init_isa(QEMUMachineInitArgs *args)
303 {
304     ram_addr_t ram_size = args->ram_size;
305     const char *cpu_model = args->cpu_model;
306     const char *kernel_filename = args->kernel_filename;
307     const char *kernel_cmdline = args->kernel_cmdline;
308     const char *initrd_filename = args->initrd_filename;
309     const char *boot_device = args->boot_device;
310     has_pvpanic = false;
311     if (cpu_model == NULL)
312         cpu_model = "486";
313     disable_kvm_pv_eoi();
314     enable_compat_apic_id_mode();
315     pc_init1(get_system_memory(),
316              get_system_io(),
317              ram_size, boot_device,
318              kernel_filename, kernel_cmdline,
319              initrd_filename, cpu_model, 0, 1);
320 }
321 
322 #ifdef CONFIG_XEN
323 static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
324 {
325     PCIBus *bus;
326 
327     pc_init_pci(args);
328 
329     bus = pci_find_root_bus(0);
330     if (bus != NULL) {
331         pci_create_simple(bus, -1, "xen-platform");
332     }
333 }
334 #endif
335 
336 static QEMUMachine pc_i440fx_machine_v1_6 = {
337     .name = "pc-i440fx-1.6",
338     .alias = "pc",
339     .desc = "Standard PC (i440FX + PIIX, 1996)",
340     .init = pc_init_pci,
341     .hot_add_cpu = pc_hot_add_cpu,
342     .max_cpus = 255,
343     .is_default = 1,
344     DEFAULT_MACHINE_OPTIONS,
345 };
346 
347 static QEMUMachine pc_i440fx_machine_v1_5 = {
348     .name = "pc-i440fx-1.5",
349     .desc = "Standard PC (i440FX + PIIX, 1996)",
350     .init = pc_init_pci,
351     .hot_add_cpu = pc_hot_add_cpu,
352     .max_cpus = 255,
353     .compat_props = (GlobalProperty[]) {
354         PC_COMPAT_1_5,
355         { /* end of list */ }
356     },
357     DEFAULT_MACHINE_OPTIONS,
358 };
359 
360 static QEMUMachine pc_i440fx_machine_v1_4 = {
361     .name = "pc-i440fx-1.4",
362     .desc = "Standard PC (i440FX + PIIX, 1996)",
363     .init = pc_init_pci_1_4,
364     .max_cpus = 255,
365     .compat_props = (GlobalProperty[]) {
366         PC_COMPAT_1_4,
367         { /* end of list */ }
368     },
369     DEFAULT_MACHINE_OPTIONS,
370 };
371 
372 #define PC_COMPAT_1_3 \
373 	PC_COMPAT_1_4, \
374         {\
375             .driver   = "usb-tablet",\
376             .property = "usb_version",\
377             .value    = stringify(1),\
378         },{\
379             .driver   = "virtio-net-pci",\
380             .property = "ctrl_mac_addr",\
381             .value    = "off",      \
382         },{ \
383             .driver   = "virtio-net-pci", \
384             .property = "mq", \
385             .value    = "off", \
386         }, {\
387             .driver   = "e1000",\
388             .property = "autonegotiation",\
389             .value    = "off",\
390         }
391 
392 static QEMUMachine pc_machine_v1_3 = {
393     .name = "pc-1.3",
394     .desc = "Standard PC",
395     .init = pc_init_pci_1_3,
396     .max_cpus = 255,
397     .compat_props = (GlobalProperty[]) {
398         PC_COMPAT_1_3,
399         { /* end of list */ }
400     },
401     DEFAULT_MACHINE_OPTIONS,
402 };
403 
404 #define PC_COMPAT_1_2 \
405         PC_COMPAT_1_3,\
406         {\
407             .driver   = "nec-usb-xhci",\
408             .property = "msi",\
409             .value    = "off",\
410         },{\
411             .driver   = "nec-usb-xhci",\
412             .property = "msix",\
413             .value    = "off",\
414         },{\
415             .driver   = "ivshmem",\
416             .property = "use64",\
417             .value    = "0",\
418         },{\
419             .driver   = "qxl",\
420             .property = "revision",\
421             .value    = stringify(3),\
422         },{\
423             .driver   = "qxl-vga",\
424             .property = "revision",\
425             .value    = stringify(3),\
426         },{\
427             .driver   = "VGA",\
428             .property = "mmio",\
429             .value    = "off",\
430         }
431 
432 static QEMUMachine pc_machine_v1_2 = {
433     .name = "pc-1.2",
434     .desc = "Standard PC",
435     .init = pc_init_pci_1_2,
436     .max_cpus = 255,
437     .compat_props = (GlobalProperty[]) {
438         PC_COMPAT_1_2,
439         { /* end of list */ }
440     },
441     DEFAULT_MACHINE_OPTIONS,
442 };
443 
444 #define PC_COMPAT_1_1 \
445         PC_COMPAT_1_2,\
446         {\
447             .driver   = "virtio-scsi-pci",\
448             .property = "hotplug",\
449             .value    = "off",\
450         },{\
451             .driver   = "virtio-scsi-pci",\
452             .property = "param_change",\
453             .value    = "off",\
454         },{\
455             .driver   = "VGA",\
456             .property = "vgamem_mb",\
457             .value    = stringify(8),\
458         },{\
459             .driver   = "vmware-svga",\
460             .property = "vgamem_mb",\
461             .value    = stringify(8),\
462         },{\
463             .driver   = "qxl-vga",\
464             .property = "vgamem_mb",\
465             .value    = stringify(8),\
466         },{\
467             .driver   = "qxl",\
468             .property = "vgamem_mb",\
469             .value    = stringify(8),\
470         },{\
471             .driver   = "virtio-blk-pci",\
472             .property = "config-wce",\
473             .value    = "off",\
474         }
475 
476 static QEMUMachine pc_machine_v1_1 = {
477     .name = "pc-1.1",
478     .desc = "Standard PC",
479     .init = pc_init_pci_1_2,
480     .max_cpus = 255,
481     .compat_props = (GlobalProperty[]) {
482         PC_COMPAT_1_1,
483         { /* end of list */ }
484     },
485     DEFAULT_MACHINE_OPTIONS,
486 };
487 
488 #define PC_COMPAT_1_0 \
489         PC_COMPAT_1_1,\
490         {\
491             .driver   = "pc-sysfw",\
492             .property = "rom_only",\
493             .value    = stringify(1),\
494         }, {\
495             .driver   = TYPE_ISA_FDC,\
496             .property = "check_media_rate",\
497             .value    = "off",\
498         }, {\
499             .driver   = "virtio-balloon-pci",\
500             .property = "class",\
501             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
502         },{\
503             .driver   = "apic",\
504             .property = "vapic",\
505             .value    = "off",\
506         },{\
507             .driver   = TYPE_USB_DEVICE,\
508             .property = "full-path",\
509             .value    = "no",\
510         }
511 
512 static QEMUMachine pc_machine_v1_0 = {
513     .name = "pc-1.0",
514     .desc = "Standard PC",
515     .init = pc_init_pci_1_0,
516     .max_cpus = 255,
517     .compat_props = (GlobalProperty[]) {
518         PC_COMPAT_1_0,
519         { /* end of list */ }
520     },
521     .hw_version = "1.0",
522     DEFAULT_MACHINE_OPTIONS,
523 };
524 
525 #define PC_COMPAT_0_15 \
526         PC_COMPAT_1_0
527 
528 static QEMUMachine pc_machine_v0_15 = {
529     .name = "pc-0.15",
530     .desc = "Standard PC",
531     .init = pc_init_pci_1_0,
532     .max_cpus = 255,
533     .compat_props = (GlobalProperty[]) {
534         PC_COMPAT_0_15,
535         { /* end of list */ }
536     },
537     .hw_version = "0.15",
538     DEFAULT_MACHINE_OPTIONS,
539 };
540 
541 #define PC_COMPAT_0_14 \
542         PC_COMPAT_0_15,\
543         {\
544             .driver   = "virtio-blk-pci",\
545             .property = "event_idx",\
546             .value    = "off",\
547         },{\
548             .driver   = "virtio-serial-pci",\
549             .property = "event_idx",\
550             .value    = "off",\
551         },{\
552             .driver   = "virtio-net-pci",\
553             .property = "event_idx",\
554             .value    = "off",\
555         },{\
556             .driver   = "virtio-balloon-pci",\
557             .property = "event_idx",\
558             .value    = "off",\
559         }
560 
561 static QEMUMachine pc_machine_v0_14 = {
562     .name = "pc-0.14",
563     .desc = "Standard PC",
564     .init = pc_init_pci_1_0,
565     .max_cpus = 255,
566     .compat_props = (GlobalProperty[]) {
567         PC_COMPAT_0_14,
568         {
569             .driver   = "qxl",
570             .property = "revision",
571             .value    = stringify(2),
572         },{
573             .driver   = "qxl-vga",
574             .property = "revision",
575             .value    = stringify(2),
576         },
577         { /* end of list */ }
578     },
579     .hw_version = "0.14",
580     DEFAULT_MACHINE_OPTIONS,
581 };
582 
583 #define PC_COMPAT_0_13 \
584         PC_COMPAT_0_14,\
585         {\
586             .driver   = TYPE_PCI_DEVICE,\
587             .property = "command_serr_enable",\
588             .value    = "off",\
589         },{\
590             .driver   = "AC97",\
591             .property = "use_broken_id",\
592             .value    = stringify(1),\
593         }
594 
595 static QEMUMachine pc_machine_v0_13 = {
596     .name = "pc-0.13",
597     .desc = "Standard PC",
598     .init = pc_init_pci_no_kvmclock,
599     .max_cpus = 255,
600     .compat_props = (GlobalProperty[]) {
601         PC_COMPAT_0_13,
602         {
603             .driver   = "virtio-9p-pci",
604             .property = "vectors",
605             .value    = stringify(0),
606         },{
607             .driver   = "VGA",
608             .property = "rombar",
609             .value    = stringify(0),
610         },{
611             .driver   = "vmware-svga",
612             .property = "rombar",
613             .value    = stringify(0),
614         },
615         { /* end of list */ }
616     },
617     .hw_version = "0.13",
618     DEFAULT_MACHINE_OPTIONS,
619 };
620 
621 #define PC_COMPAT_0_12 \
622         PC_COMPAT_0_13,\
623         {\
624             .driver   = "virtio-serial-pci",\
625             .property = "max_ports",\
626             .value    = stringify(1),\
627         },{\
628             .driver   = "virtio-serial-pci",\
629             .property = "vectors",\
630             .value    = stringify(0),\
631         },{\
632             .driver   = "usb-mouse",\
633             .property = "serial",\
634             .value    = "1",\
635         },{\
636             .driver   = "usb-tablet",\
637             .property = "serial",\
638             .value    = "1",\
639         },{\
640             .driver   = "usb-kbd",\
641             .property = "serial",\
642             .value    = "1",\
643         }
644 
645 static QEMUMachine pc_machine_v0_12 = {
646     .name = "pc-0.12",
647     .desc = "Standard PC",
648     .init = pc_init_pci_no_kvmclock,
649     .max_cpus = 255,
650     .compat_props = (GlobalProperty[]) {
651         PC_COMPAT_0_12,
652         {
653             .driver   = "VGA",
654             .property = "rombar",
655             .value    = stringify(0),
656         },{
657             .driver   = "vmware-svga",
658             .property = "rombar",
659             .value    = stringify(0),
660         },
661         { /* end of list */ }
662     },
663     .hw_version = "0.12",
664     DEFAULT_MACHINE_OPTIONS,
665 };
666 
667 #define PC_COMPAT_0_11 \
668         PC_COMPAT_0_12,\
669         {\
670             .driver   = "virtio-blk-pci",\
671             .property = "vectors",\
672             .value    = stringify(0),\
673         },{\
674             .driver   = TYPE_PCI_DEVICE,\
675             .property = "rombar",\
676             .value    = stringify(0),\
677         }
678 
679 static QEMUMachine pc_machine_v0_11 = {
680     .name = "pc-0.11",
681     .desc = "Standard PC, qemu 0.11",
682     .init = pc_init_pci_no_kvmclock,
683     .max_cpus = 255,
684     .compat_props = (GlobalProperty[]) {
685         PC_COMPAT_0_11,
686         {
687             .driver   = "ide-drive",
688             .property = "ver",
689             .value    = "0.11",
690         },{
691             .driver   = "scsi-disk",
692             .property = "ver",
693             .value    = "0.11",
694         },
695         { /* end of list */ }
696     },
697     .hw_version = "0.11",
698     DEFAULT_MACHINE_OPTIONS,
699 };
700 
701 static QEMUMachine pc_machine_v0_10 = {
702     .name = "pc-0.10",
703     .desc = "Standard PC, qemu 0.10",
704     .init = pc_init_pci_no_kvmclock,
705     .max_cpus = 255,
706     .compat_props = (GlobalProperty[]) {
707         PC_COMPAT_0_11,
708         {
709             .driver   = "virtio-blk-pci",
710             .property = "class",
711             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
712         },{
713             .driver   = "virtio-serial-pci",
714             .property = "class",
715             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
716         },{
717             .driver   = "virtio-net-pci",
718             .property = "vectors",
719             .value    = stringify(0),
720         },{
721             .driver   = "ide-drive",
722             .property = "ver",
723             .value    = "0.10",
724         },{
725             .driver   = "scsi-disk",
726             .property = "ver",
727             .value    = "0.10",
728         },
729         { /* end of list */ }
730     },
731     .hw_version = "0.10",
732     DEFAULT_MACHINE_OPTIONS,
733 };
734 
735 static QEMUMachine isapc_machine = {
736     .name = "isapc",
737     .desc = "ISA-only PC",
738     .init = pc_init_isa,
739     .max_cpus = 1,
740     .compat_props = (GlobalProperty[]) {
741         {
742             .driver   = "pc-sysfw",
743             .property = "rom_only",
744             .value    = stringify(1),
745         },
746         {
747             .driver   = "pc-sysfw",
748             .property = "isapc_ram_fw",
749             .value    = stringify(1),
750         },
751         { /* end of list */ }
752     },
753     DEFAULT_MACHINE_OPTIONS,
754 };
755 
756 #ifdef CONFIG_XEN
757 static QEMUMachine xenfv_machine = {
758     .name = "xenfv",
759     .desc = "Xen Fully-virtualized PC",
760     .init = pc_xen_hvm_init,
761     .max_cpus = HVM_MAX_VCPUS,
762     .default_machine_opts = "accel=xen",
763     DEFAULT_MACHINE_OPTIONS,
764 };
765 #endif
766 
767 static void pc_machine_init(void)
768 {
769     qemu_register_machine(&pc_i440fx_machine_v1_6);
770     qemu_register_machine(&pc_i440fx_machine_v1_5);
771     qemu_register_machine(&pc_i440fx_machine_v1_4);
772     qemu_register_machine(&pc_machine_v1_3);
773     qemu_register_machine(&pc_machine_v1_2);
774     qemu_register_machine(&pc_machine_v1_1);
775     qemu_register_machine(&pc_machine_v1_0);
776     qemu_register_machine(&pc_machine_v0_15);
777     qemu_register_machine(&pc_machine_v0_14);
778     qemu_register_machine(&pc_machine_v0_13);
779     qemu_register_machine(&pc_machine_v0_12);
780     qemu_register_machine(&pc_machine_v0_11);
781     qemu_register_machine(&pc_machine_v0_10);
782     qemu_register_machine(&isapc_machine);
783 #ifdef CONFIG_XEN
784     qemu_register_machine(&xenfv_machine);
785 #endif
786 }
787 
788 machine_init(pc_machine_init);
789