xref: /openbmc/qemu/hw/i386/pc_piix.c (revision c71c3e99)
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/pc.h"
29 #include "hw/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 "sysemu/arch_init.h"
41 #include "sysemu/blockdev.h"
42 #include "hw/smbus.h"
43 #include "hw/xen.h"
44 #include "exec/memory.h"
45 #include "exec/address-spaces.h"
46 #include "cpu.h"
47 #ifdef CONFIG_XEN
48 #  include <xen/hvm/hvm_info_table.h>
49 #endif
50 
51 #define MAX_IDE_BUS 2
52 
53 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
54 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
55 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
56 
57 /* PC hardware initialisation */
58 static void pc_init1(MemoryRegion *system_memory,
59                      MemoryRegion *system_io,
60                      ram_addr_t ram_size,
61                      const char *boot_device,
62                      const char *kernel_filename,
63                      const char *kernel_cmdline,
64                      const char *initrd_filename,
65                      const char *cpu_model,
66                      int pci_enabled,
67                      int kvmclock_enabled)
68 {
69     int i;
70     ram_addr_t below_4g_mem_size, above_4g_mem_size;
71     PCIBus *pci_bus;
72     ISABus *isa_bus;
73     PCII440FXState *i440fx_state;
74     int piix3_devfn = -1;
75     qemu_irq *cpu_irq;
76     qemu_irq *gsi;
77     qemu_irq *i8259;
78     qemu_irq *smi_irq;
79     GSIState *gsi_state;
80     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
81     BusState *idebus[MAX_IDE_BUS];
82     ISADevice *rtc_state;
83     ISADevice *floppy;
84     MemoryRegion *ram_memory;
85     MemoryRegion *pci_memory;
86     MemoryRegion *rom_memory;
87     void *fw_cfg = NULL;
88 
89     pc_cpus_init(cpu_model);
90     pc_acpi_init("acpi-dsdt.aml");
91 
92     if (kvmclock_enabled) {
93         kvmclock_create();
94     }
95 
96     if (ram_size >= 0xe0000000 ) {
97         above_4g_mem_size = ram_size - 0xe0000000;
98         below_4g_mem_size = 0xe0000000;
99     } else {
100         above_4g_mem_size = 0;
101         below_4g_mem_size = ram_size;
102     }
103 
104     if (pci_enabled) {
105         pci_memory = g_new(MemoryRegion, 1);
106         memory_region_init(pci_memory, "pci", INT64_MAX);
107         rom_memory = pci_memory;
108     } else {
109         pci_memory = NULL;
110         rom_memory = system_memory;
111     }
112 
113     /* allocate ram and load rom/bios */
114     if (!xen_enabled()) {
115         fw_cfg = pc_memory_init(system_memory,
116                        kernel_filename, kernel_cmdline, initrd_filename,
117                        below_4g_mem_size, above_4g_mem_size,
118                        rom_memory, &ram_memory);
119     }
120 
121     gsi_state = g_malloc0(sizeof(*gsi_state));
122     if (kvm_irqchip_in_kernel()) {
123         kvm_pc_setup_irq_routing(pci_enabled);
124         gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
125                                  GSI_NUM_PINS);
126     } else {
127         gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
128     }
129 
130     if (pci_enabled) {
131         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
132                               system_memory, system_io, ram_size,
133                               below_4g_mem_size,
134                               0x100000000ULL - below_4g_mem_size,
135                               0x100000000ULL + above_4g_mem_size,
136                               (sizeof(hwaddr) == 4
137                                ? 0
138                                : ((uint64_t)1 << 62)),
139                               pci_memory, ram_memory);
140     } else {
141         pci_bus = NULL;
142         i440fx_state = NULL;
143         isa_bus = isa_bus_new(NULL, system_io);
144         no_hpet = 1;
145     }
146     isa_bus_irqs(isa_bus, gsi);
147 
148     if (kvm_irqchip_in_kernel()) {
149         i8259 = kvm_i8259_init(isa_bus);
150     } else if (xen_enabled()) {
151         i8259 = xen_interrupt_controller_init();
152     } else {
153         cpu_irq = pc_allocate_cpu_irq();
154         i8259 = i8259_init(isa_bus, cpu_irq[0]);
155     }
156 
157     for (i = 0; i < ISA_NUM_IRQS; i++) {
158         gsi_state->i8259_irq[i] = i8259[i];
159     }
160     if (pci_enabled) {
161         ioapic_init_gsi(gsi_state, "i440fx");
162     }
163 
164     pc_register_ferr_irq(gsi[13]);
165 
166     pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
167     if (xen_enabled()) {
168         pci_create_simple(pci_bus, -1, "xen-platform");
169     }
170 
171     /* init basic PC hardware */
172     pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled());
173 
174     pc_nic_init(isa_bus, pci_bus);
175 
176     ide_drive_get(hd, MAX_IDE_BUS);
177     if (pci_enabled) {
178         PCIDevice *dev;
179         if (xen_enabled()) {
180             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
181         } else {
182             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
183         }
184         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
185         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
186     } else {
187         for(i = 0; i < MAX_IDE_BUS; i++) {
188             ISADevice *dev;
189             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
190                                ide_irq[i],
191                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
192             idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
193         }
194     }
195 
196     audio_init(isa_bus, pci_enabled ? pci_bus : NULL);
197 
198     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
199                  floppy, idebus[0], idebus[1], rtc_state);
200 
201     if (pci_enabled && usb_enabled(false)) {
202         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
203     }
204 
205     if (pci_enabled && acpi_enabled) {
206         i2c_bus *smbus;
207 
208         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
209         /* TODO: Populate SPD eeprom data.  */
210         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
211                               gsi[9], *smi_irq,
212                               kvm_enabled(), fw_cfg);
213         smbus_eeprom_init(smbus, 8, NULL, 0);
214     }
215 
216     if (pci_enabled) {
217         pc_pci_device_init(pci_bus);
218     }
219 }
220 
221 static void pc_init_pci(QEMUMachineInitArgs *args)
222 {
223     ram_addr_t ram_size = args->ram_size;
224     const char *cpu_model = args->cpu_model;
225     const char *kernel_filename = args->kernel_filename;
226     const char *kernel_cmdline = args->kernel_cmdline;
227     const char *initrd_filename = args->initrd_filename;
228     const char *boot_device = args->boot_device;
229     pc_init1(get_system_memory(),
230              get_system_io(),
231              ram_size, boot_device,
232              kernel_filename, kernel_cmdline,
233              initrd_filename, cpu_model, 1, 1);
234 }
235 
236 static void pc_init_pci_1_3(QEMUMachineInitArgs *args)
237 {
238     enable_compat_apic_id_mode();
239     pc_init_pci(args);
240 }
241 
242 /* PC machine init function for pc-0.14 to pc-1.2 */
243 static void pc_init_pci_1_2(QEMUMachineInitArgs *args)
244 {
245     disable_kvm_pv_eoi();
246     pc_init_pci_1_3(args);
247 }
248 
249 /* PC init function for pc-0.10 to pc-0.13, and reused by xenfv */
250 static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args)
251 {
252     ram_addr_t ram_size = args->ram_size;
253     const char *cpu_model = args->cpu_model;
254     const char *kernel_filename = args->kernel_filename;
255     const char *kernel_cmdline = args->kernel_cmdline;
256     const char *initrd_filename = args->initrd_filename;
257     const char *boot_device = args->boot_device;
258     disable_kvm_pv_eoi();
259     enable_compat_apic_id_mode();
260     pc_init1(get_system_memory(),
261              get_system_io(),
262              ram_size, boot_device,
263              kernel_filename, kernel_cmdline,
264              initrd_filename, cpu_model, 1, 0);
265 }
266 
267 static void pc_init_isa(QEMUMachineInitArgs *args)
268 {
269     ram_addr_t ram_size = args->ram_size;
270     const char *cpu_model = args->cpu_model;
271     const char *kernel_filename = args->kernel_filename;
272     const char *kernel_cmdline = args->kernel_cmdline;
273     const char *initrd_filename = args->initrd_filename;
274     const char *boot_device = args->boot_device;
275     if (cpu_model == NULL)
276         cpu_model = "486";
277     disable_kvm_pv_eoi();
278     enable_compat_apic_id_mode();
279     pc_init1(get_system_memory(),
280              get_system_io(),
281              ram_size, boot_device,
282              kernel_filename, kernel_cmdline,
283              initrd_filename, cpu_model, 0, 1);
284 }
285 
286 #ifdef CONFIG_XEN
287 static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
288 {
289     if (xen_hvm_init() != 0) {
290         hw_error("xen hardware virtual machine initialisation failed");
291     }
292     pc_init_pci_no_kvmclock(args);
293     xen_vcpu_init();
294 }
295 #endif
296 
297 static QEMUMachine pc_i440fx_machine_v1_5 = {
298     .name = "pc-i440fx-1.5",
299     .alias = "pc",
300     .desc = "Standard PC (i440FX + PIIX, 1996)",
301     .init = pc_init_pci,
302     .max_cpus = 255,
303     .is_default = 1,
304     DEFAULT_MACHINE_OPTIONS,
305 };
306 
307 static QEMUMachine pc_i440fx_machine_v1_4 = {
308     .name = "pc-i440fx-1.4",
309     .desc = "Standard PC (i440FX + PIIX, 1996)",
310     .init = pc_init_pci,
311     .max_cpus = 255,
312     .compat_props = (GlobalProperty[]) {
313         PC_COMPAT_1_4,
314         { /* end of list */ }
315     },
316     DEFAULT_MACHINE_OPTIONS,
317 };
318 
319 #define PC_COMPAT_1_3 \
320 	PC_COMPAT_1_4, \
321         {\
322             .driver   = "usb-tablet",\
323             .property = "usb_version",\
324             .value    = stringify(1),\
325         },{\
326             .driver   = "virtio-net-pci",\
327             .property = "ctrl_mac_addr",\
328             .value    = "off",      \
329         },{ \
330             .driver   = "virtio-net-pci", \
331             .property = "mq", \
332             .value    = "off", \
333         }, {\
334             .driver   = "e1000",\
335             .property = "autonegotiation",\
336             .value    = "off",\
337         }
338 
339 static QEMUMachine pc_machine_v1_3 = {
340     .name = "pc-1.3",
341     .desc = "Standard PC",
342     .init = pc_init_pci_1_3,
343     .max_cpus = 255,
344     .compat_props = (GlobalProperty[]) {
345         PC_COMPAT_1_3,
346         { /* end of list */ }
347     },
348     DEFAULT_MACHINE_OPTIONS,
349 };
350 
351 #define PC_COMPAT_1_2 \
352         PC_COMPAT_1_3,\
353         {\
354             .driver   = "nec-usb-xhci",\
355             .property = "msi",\
356             .value    = "off",\
357         },{\
358             .driver   = "nec-usb-xhci",\
359             .property = "msix",\
360             .value    = "off",\
361         },{\
362             .driver   = "ivshmem",\
363             .property = "use64",\
364             .value    = "0",\
365         },{\
366             .driver   = "qxl",\
367             .property = "revision",\
368             .value    = stringify(3),\
369         },{\
370             .driver   = "qxl-vga",\
371             .property = "revision",\
372             .value    = stringify(3),\
373         },{\
374             .driver   = "VGA",\
375             .property = "mmio",\
376             .value    = "off",\
377         }
378 
379 static QEMUMachine pc_machine_v1_2 = {
380     .name = "pc-1.2",
381     .desc = "Standard PC",
382     .init = pc_init_pci_1_2,
383     .max_cpus = 255,
384     .compat_props = (GlobalProperty[]) {
385         PC_COMPAT_1_2,
386         { /* end of list */ }
387     },
388     DEFAULT_MACHINE_OPTIONS,
389 };
390 
391 #define PC_COMPAT_1_1 \
392         PC_COMPAT_1_2,\
393         {\
394             .driver   = "virtio-scsi-pci",\
395             .property = "hotplug",\
396             .value    = "off",\
397         },{\
398             .driver   = "virtio-scsi-pci",\
399             .property = "param_change",\
400             .value    = "off",\
401         },{\
402             .driver   = "VGA",\
403             .property = "vgamem_mb",\
404             .value    = stringify(8),\
405         },{\
406             .driver   = "vmware-svga",\
407             .property = "vgamem_mb",\
408             .value    = stringify(8),\
409         },{\
410             .driver   = "qxl-vga",\
411             .property = "vgamem_mb",\
412             .value    = stringify(8),\
413         },{\
414             .driver   = "qxl",\
415             .property = "vgamem_mb",\
416             .value    = stringify(8),\
417         },{\
418             .driver   = "virtio-blk-pci",\
419             .property = "config-wce",\
420             .value    = "off",\
421         }
422 
423 static QEMUMachine pc_machine_v1_1 = {
424     .name = "pc-1.1",
425     .desc = "Standard PC",
426     .init = pc_init_pci_1_2,
427     .max_cpus = 255,
428     .compat_props = (GlobalProperty[]) {
429         PC_COMPAT_1_1,
430         { /* end of list */ }
431     },
432     DEFAULT_MACHINE_OPTIONS,
433 };
434 
435 #define PC_COMPAT_1_0 \
436         PC_COMPAT_1_1,\
437         {\
438             .driver   = "pc-sysfw",\
439             .property = "rom_only",\
440             .value    = stringify(1),\
441         }, {\
442             .driver   = "isa-fdc",\
443             .property = "check_media_rate",\
444             .value    = "off",\
445         }, {\
446             .driver   = "virtio-balloon-pci",\
447             .property = "class",\
448             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
449         },{\
450             .driver   = "apic",\
451             .property = "vapic",\
452             .value    = "off",\
453         },{\
454             .driver   = TYPE_USB_DEVICE,\
455             .property = "full-path",\
456             .value    = "no",\
457         }
458 
459 static QEMUMachine pc_machine_v1_0 = {
460     .name = "pc-1.0",
461     .desc = "Standard PC",
462     .init = pc_init_pci_1_2,
463     .max_cpus = 255,
464     .compat_props = (GlobalProperty[]) {
465         PC_COMPAT_1_0,
466         { /* end of list */ }
467     },
468     .hw_version = "1.0",
469     DEFAULT_MACHINE_OPTIONS,
470 };
471 
472 #define PC_COMPAT_0_15 \
473         PC_COMPAT_1_0
474 
475 static QEMUMachine pc_machine_v0_15 = {
476     .name = "pc-0.15",
477     .desc = "Standard PC",
478     .init = pc_init_pci_1_2,
479     .max_cpus = 255,
480     .compat_props = (GlobalProperty[]) {
481         PC_COMPAT_0_15,
482         { /* end of list */ }
483     },
484     .hw_version = "0.15",
485     DEFAULT_MACHINE_OPTIONS,
486 };
487 
488 #define PC_COMPAT_0_14 \
489         PC_COMPAT_0_15,\
490         {\
491             .driver   = "virtio-blk-pci",\
492             .property = "event_idx",\
493             .value    = "off",\
494         },{\
495             .driver   = "virtio-serial-pci",\
496             .property = "event_idx",\
497             .value    = "off",\
498         },{\
499             .driver   = "virtio-net-pci",\
500             .property = "event_idx",\
501             .value    = "off",\
502         },{\
503             .driver   = "virtio-balloon-pci",\
504             .property = "event_idx",\
505             .value    = "off",\
506         }
507 
508 static QEMUMachine pc_machine_v0_14 = {
509     .name = "pc-0.14",
510     .desc = "Standard PC",
511     .init = pc_init_pci_1_2,
512     .max_cpus = 255,
513     .compat_props = (GlobalProperty[]) {
514         PC_COMPAT_0_14,
515         {
516             .driver   = "qxl",
517             .property = "revision",
518             .value    = stringify(2),
519         },{
520             .driver   = "qxl-vga",
521             .property = "revision",
522             .value    = stringify(2),
523         },
524         { /* end of list */ }
525     },
526     .hw_version = "0.14",
527     DEFAULT_MACHINE_OPTIONS,
528 };
529 
530 #define PC_COMPAT_0_13 \
531         PC_COMPAT_0_14,\
532         {\
533             .driver   = TYPE_PCI_DEVICE,\
534             .property = "command_serr_enable",\
535             .value    = "off",\
536         },{\
537             .driver   = "AC97",\
538             .property = "use_broken_id",\
539             .value    = stringify(1),\
540         }
541 
542 static QEMUMachine pc_machine_v0_13 = {
543     .name = "pc-0.13",
544     .desc = "Standard PC",
545     .init = pc_init_pci_no_kvmclock,
546     .max_cpus = 255,
547     .compat_props = (GlobalProperty[]) {
548         PC_COMPAT_0_13,
549         {
550             .driver   = "virtio-9p-pci",
551             .property = "vectors",
552             .value    = stringify(0),
553         },{
554             .driver   = "VGA",
555             .property = "rombar",
556             .value    = stringify(0),
557         },{
558             .driver   = "vmware-svga",
559             .property = "rombar",
560             .value    = stringify(0),
561         },
562         { /* end of list */ }
563     },
564     .hw_version = "0.13",
565     DEFAULT_MACHINE_OPTIONS,
566 };
567 
568 #define PC_COMPAT_0_12 \
569         PC_COMPAT_0_13,\
570         {\
571             .driver   = "virtio-serial-pci",\
572             .property = "max_ports",\
573             .value    = stringify(1),\
574         },{\
575             .driver   = "virtio-serial-pci",\
576             .property = "vectors",\
577             .value    = stringify(0),\
578         }
579 
580 static QEMUMachine pc_machine_v0_12 = {
581     .name = "pc-0.12",
582     .desc = "Standard PC",
583     .init = pc_init_pci_no_kvmclock,
584     .max_cpus = 255,
585     .compat_props = (GlobalProperty[]) {
586         PC_COMPAT_0_12,
587         {
588             .driver   = "VGA",
589             .property = "rombar",
590             .value    = stringify(0),
591         },{
592             .driver   = "vmware-svga",
593             .property = "rombar",
594             .value    = stringify(0),
595         },
596         { /* end of list */ }
597     },
598     .hw_version = "0.12",
599     DEFAULT_MACHINE_OPTIONS,
600 };
601 
602 #define PC_COMPAT_0_11 \
603         PC_COMPAT_0_12,\
604         {\
605             .driver   = "virtio-blk-pci",\
606             .property = "vectors",\
607             .value    = stringify(0),\
608         },{\
609             .driver   = TYPE_PCI_DEVICE,\
610             .property = "rombar",\
611             .value    = stringify(0),\
612         }
613 
614 static QEMUMachine pc_machine_v0_11 = {
615     .name = "pc-0.11",
616     .desc = "Standard PC, qemu 0.11",
617     .init = pc_init_pci_no_kvmclock,
618     .max_cpus = 255,
619     .compat_props = (GlobalProperty[]) {
620         PC_COMPAT_0_11,
621         {
622             .driver   = "ide-drive",
623             .property = "ver",
624             .value    = "0.11",
625         },{
626             .driver   = "scsi-disk",
627             .property = "ver",
628             .value    = "0.11",
629         },
630         { /* end of list */ }
631     },
632     .hw_version = "0.11",
633     DEFAULT_MACHINE_OPTIONS,
634 };
635 
636 static QEMUMachine pc_machine_v0_10 = {
637     .name = "pc-0.10",
638     .desc = "Standard PC, qemu 0.10",
639     .init = pc_init_pci_no_kvmclock,
640     .max_cpus = 255,
641     .compat_props = (GlobalProperty[]) {
642         PC_COMPAT_0_11,
643         {
644             .driver   = "virtio-blk-pci",
645             .property = "class",
646             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
647         },{
648             .driver   = "virtio-serial-pci",
649             .property = "class",
650             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
651         },{
652             .driver   = "virtio-net-pci",
653             .property = "vectors",
654             .value    = stringify(0),
655         },{
656             .driver   = "ide-drive",
657             .property = "ver",
658             .value    = "0.10",
659         },{
660             .driver   = "scsi-disk",
661             .property = "ver",
662             .value    = "0.10",
663         },
664         { /* end of list */ }
665     },
666     .hw_version = "0.10",
667     DEFAULT_MACHINE_OPTIONS,
668 };
669 
670 static QEMUMachine isapc_machine = {
671     .name = "isapc",
672     .desc = "ISA-only PC",
673     .init = pc_init_isa,
674     .max_cpus = 1,
675     .compat_props = (GlobalProperty[]) {
676         {
677             .driver   = "pc-sysfw",
678             .property = "rom_only",
679             .value    = stringify(1),
680         },
681         { /* end of list */ }
682     },
683     DEFAULT_MACHINE_OPTIONS,
684 };
685 
686 #ifdef CONFIG_XEN
687 static QEMUMachine xenfv_machine = {
688     .name = "xenfv",
689     .desc = "Xen Fully-virtualized PC",
690     .init = pc_xen_hvm_init,
691     .max_cpus = HVM_MAX_VCPUS,
692     .default_machine_opts = "accel=xen",
693     DEFAULT_MACHINE_OPTIONS,
694 };
695 #endif
696 
697 static void pc_machine_init(void)
698 {
699     qemu_register_machine(&pc_i440fx_machine_v1_5);
700     qemu_register_machine(&pc_i440fx_machine_v1_4);
701     qemu_register_machine(&pc_machine_v1_3);
702     qemu_register_machine(&pc_machine_v1_2);
703     qemu_register_machine(&pc_machine_v1_1);
704     qemu_register_machine(&pc_machine_v1_0);
705     qemu_register_machine(&pc_machine_v0_15);
706     qemu_register_machine(&pc_machine_v0_14);
707     qemu_register_machine(&pc_machine_v0_13);
708     qemu_register_machine(&pc_machine_v0_12);
709     qemu_register_machine(&pc_machine_v0_11);
710     qemu_register_machine(&pc_machine_v0_10);
711     qemu_register_machine(&isapc_machine);
712 #ifdef CONFIG_XEN
713     qemu_register_machine(&xenfv_machine);
714 #endif
715 }
716 
717 machine_init(pc_machine_init);
718