xref: /openbmc/qemu/hw/i386/pc_piix.c (revision 1fd6bb44)
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 "sysemu/arch_init.h"
41 #include "sysemu/blockdev.h"
42 #include "hw/i2c/smbus.h"
43 #include "hw/xen/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,
209                                      x86_env_get_cpu(first_cpu), 1);
210         /* TODO: Populate SPD eeprom data.  */
211         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
212                               gsi[9], *smi_irq,
213                               kvm_enabled(), fw_cfg);
214         smbus_eeprom_init(smbus, 8, NULL, 0);
215     }
216 
217     if (pci_enabled) {
218         pc_pci_device_init(pci_bus);
219     }
220 }
221 
222 static void pc_init_pci(QEMUMachineInitArgs *args)
223 {
224     ram_addr_t ram_size = args->ram_size;
225     const char *cpu_model = args->cpu_model;
226     const char *kernel_filename = args->kernel_filename;
227     const char *kernel_cmdline = args->kernel_cmdline;
228     const char *initrd_filename = args->initrd_filename;
229     const char *boot_device = args->boot_device;
230     pc_init1(get_system_memory(),
231              get_system_io(),
232              ram_size, boot_device,
233              kernel_filename, kernel_cmdline,
234              initrd_filename, cpu_model, 1, 1);
235 }
236 
237 static void pc_init_pci_1_3(QEMUMachineInitArgs *args)
238 {
239     enable_compat_apic_id_mode();
240     pc_init_pci(args);
241 }
242 
243 /* PC machine init function for pc-0.14 to pc-1.2 */
244 static void pc_init_pci_1_2(QEMUMachineInitArgs *args)
245 {
246     disable_kvm_pv_eoi();
247     pc_init_pci_1_3(args);
248 }
249 
250 /* PC init function for pc-0.10 to pc-0.13, and reused by xenfv */
251 static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args)
252 {
253     ram_addr_t ram_size = args->ram_size;
254     const char *cpu_model = args->cpu_model;
255     const char *kernel_filename = args->kernel_filename;
256     const char *kernel_cmdline = args->kernel_cmdline;
257     const char *initrd_filename = args->initrd_filename;
258     const char *boot_device = args->boot_device;
259     disable_kvm_pv_eoi();
260     enable_compat_apic_id_mode();
261     pc_init1(get_system_memory(),
262              get_system_io(),
263              ram_size, boot_device,
264              kernel_filename, kernel_cmdline,
265              initrd_filename, cpu_model, 1, 0);
266 }
267 
268 static void pc_init_isa(QEMUMachineInitArgs *args)
269 {
270     ram_addr_t ram_size = args->ram_size;
271     const char *cpu_model = args->cpu_model;
272     const char *kernel_filename = args->kernel_filename;
273     const char *kernel_cmdline = args->kernel_cmdline;
274     const char *initrd_filename = args->initrd_filename;
275     const char *boot_device = args->boot_device;
276     if (cpu_model == NULL)
277         cpu_model = "486";
278     disable_kvm_pv_eoi();
279     enable_compat_apic_id_mode();
280     pc_init1(get_system_memory(),
281              get_system_io(),
282              ram_size, boot_device,
283              kernel_filename, kernel_cmdline,
284              initrd_filename, cpu_model, 0, 1);
285 }
286 
287 #ifdef CONFIG_XEN
288 static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
289 {
290     if (xen_hvm_init() != 0) {
291         hw_error("xen hardware virtual machine initialisation failed");
292     }
293     pc_init_pci_no_kvmclock(args);
294     xen_vcpu_init();
295 }
296 #endif
297 
298 static QEMUMachine pc_i440fx_machine_v1_5 = {
299     .name = "pc-i440fx-1.5",
300     .alias = "pc",
301     .desc = "Standard PC (i440FX + PIIX, 1996)",
302     .init = pc_init_pci,
303     .max_cpus = 255,
304     .is_default = 1,
305     DEFAULT_MACHINE_OPTIONS,
306 };
307 
308 static QEMUMachine pc_i440fx_machine_v1_4 = {
309     .name = "pc-i440fx-1.4",
310     .desc = "Standard PC (i440FX + PIIX, 1996)",
311     .init = pc_init_pci,
312     .max_cpus = 255,
313     .compat_props = (GlobalProperty[]) {
314         PC_COMPAT_1_4,
315         { /* end of list */ }
316     },
317     DEFAULT_MACHINE_OPTIONS,
318 };
319 
320 #define PC_COMPAT_1_3 \
321 	PC_COMPAT_1_4, \
322         {\
323             .driver   = "usb-tablet",\
324             .property = "usb_version",\
325             .value    = stringify(1),\
326         },{\
327             .driver   = "virtio-net-pci",\
328             .property = "ctrl_mac_addr",\
329             .value    = "off",      \
330         },{ \
331             .driver   = "virtio-net-pci", \
332             .property = "mq", \
333             .value    = "off", \
334         }, {\
335             .driver   = "e1000",\
336             .property = "autonegotiation",\
337             .value    = "off",\
338         }
339 
340 static QEMUMachine pc_machine_v1_3 = {
341     .name = "pc-1.3",
342     .desc = "Standard PC",
343     .init = pc_init_pci_1_3,
344     .max_cpus = 255,
345     .compat_props = (GlobalProperty[]) {
346         PC_COMPAT_1_3,
347         { /* end of list */ }
348     },
349     DEFAULT_MACHINE_OPTIONS,
350 };
351 
352 #define PC_COMPAT_1_2 \
353         PC_COMPAT_1_3,\
354         {\
355             .driver   = "nec-usb-xhci",\
356             .property = "msi",\
357             .value    = "off",\
358         },{\
359             .driver   = "nec-usb-xhci",\
360             .property = "msix",\
361             .value    = "off",\
362         },{\
363             .driver   = "ivshmem",\
364             .property = "use64",\
365             .value    = "0",\
366         },{\
367             .driver   = "qxl",\
368             .property = "revision",\
369             .value    = stringify(3),\
370         },{\
371             .driver   = "qxl-vga",\
372             .property = "revision",\
373             .value    = stringify(3),\
374         },{\
375             .driver   = "VGA",\
376             .property = "mmio",\
377             .value    = "off",\
378         }
379 
380 static QEMUMachine pc_machine_v1_2 = {
381     .name = "pc-1.2",
382     .desc = "Standard PC",
383     .init = pc_init_pci_1_2,
384     .max_cpus = 255,
385     .compat_props = (GlobalProperty[]) {
386         PC_COMPAT_1_2,
387         { /* end of list */ }
388     },
389     DEFAULT_MACHINE_OPTIONS,
390 };
391 
392 #define PC_COMPAT_1_1 \
393         PC_COMPAT_1_2,\
394         {\
395             .driver   = "virtio-scsi-pci",\
396             .property = "hotplug",\
397             .value    = "off",\
398         },{\
399             .driver   = "virtio-scsi-pci",\
400             .property = "param_change",\
401             .value    = "off",\
402         },{\
403             .driver   = "VGA",\
404             .property = "vgamem_mb",\
405             .value    = stringify(8),\
406         },{\
407             .driver   = "vmware-svga",\
408             .property = "vgamem_mb",\
409             .value    = stringify(8),\
410         },{\
411             .driver   = "qxl-vga",\
412             .property = "vgamem_mb",\
413             .value    = stringify(8),\
414         },{\
415             .driver   = "qxl",\
416             .property = "vgamem_mb",\
417             .value    = stringify(8),\
418         },{\
419             .driver   = "virtio-blk-pci",\
420             .property = "config-wce",\
421             .value    = "off",\
422         }
423 
424 static QEMUMachine pc_machine_v1_1 = {
425     .name = "pc-1.1",
426     .desc = "Standard PC",
427     .init = pc_init_pci_1_2,
428     .max_cpus = 255,
429     .compat_props = (GlobalProperty[]) {
430         PC_COMPAT_1_1,
431         { /* end of list */ }
432     },
433     DEFAULT_MACHINE_OPTIONS,
434 };
435 
436 #define PC_COMPAT_1_0 \
437         PC_COMPAT_1_1,\
438         {\
439             .driver   = "pc-sysfw",\
440             .property = "rom_only",\
441             .value    = stringify(1),\
442         }, {\
443             .driver   = "isa-fdc",\
444             .property = "check_media_rate",\
445             .value    = "off",\
446         }, {\
447             .driver   = "virtio-balloon-pci",\
448             .property = "class",\
449             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
450         },{\
451             .driver   = "apic",\
452             .property = "vapic",\
453             .value    = "off",\
454         },{\
455             .driver   = TYPE_USB_DEVICE,\
456             .property = "full-path",\
457             .value    = "no",\
458         }
459 
460 static QEMUMachine pc_machine_v1_0 = {
461     .name = "pc-1.0",
462     .desc = "Standard PC",
463     .init = pc_init_pci_1_2,
464     .max_cpus = 255,
465     .compat_props = (GlobalProperty[]) {
466         PC_COMPAT_1_0,
467         { /* end of list */ }
468     },
469     .hw_version = "1.0",
470     DEFAULT_MACHINE_OPTIONS,
471 };
472 
473 #define PC_COMPAT_0_15 \
474         PC_COMPAT_1_0
475 
476 static QEMUMachine pc_machine_v0_15 = {
477     .name = "pc-0.15",
478     .desc = "Standard PC",
479     .init = pc_init_pci_1_2,
480     .max_cpus = 255,
481     .compat_props = (GlobalProperty[]) {
482         PC_COMPAT_0_15,
483         { /* end of list */ }
484     },
485     .hw_version = "0.15",
486     DEFAULT_MACHINE_OPTIONS,
487 };
488 
489 #define PC_COMPAT_0_14 \
490         PC_COMPAT_0_15,\
491         {\
492             .driver   = "virtio-blk-pci",\
493             .property = "event_idx",\
494             .value    = "off",\
495         },{\
496             .driver   = "virtio-serial-pci",\
497             .property = "event_idx",\
498             .value    = "off",\
499         },{\
500             .driver   = "virtio-net-pci",\
501             .property = "event_idx",\
502             .value    = "off",\
503         },{\
504             .driver   = "virtio-balloon-pci",\
505             .property = "event_idx",\
506             .value    = "off",\
507         }
508 
509 static QEMUMachine pc_machine_v0_14 = {
510     .name = "pc-0.14",
511     .desc = "Standard PC",
512     .init = pc_init_pci_1_2,
513     .max_cpus = 255,
514     .compat_props = (GlobalProperty[]) {
515         PC_COMPAT_0_14,
516         {
517             .driver   = "qxl",
518             .property = "revision",
519             .value    = stringify(2),
520         },{
521             .driver   = "qxl-vga",
522             .property = "revision",
523             .value    = stringify(2),
524         },
525         { /* end of list */ }
526     },
527     .hw_version = "0.14",
528     DEFAULT_MACHINE_OPTIONS,
529 };
530 
531 #define PC_COMPAT_0_13 \
532         PC_COMPAT_0_14,\
533         {\
534             .driver   = TYPE_PCI_DEVICE,\
535             .property = "command_serr_enable",\
536             .value    = "off",\
537         },{\
538             .driver   = "AC97",\
539             .property = "use_broken_id",\
540             .value    = stringify(1),\
541         }
542 
543 static QEMUMachine pc_machine_v0_13 = {
544     .name = "pc-0.13",
545     .desc = "Standard PC",
546     .init = pc_init_pci_no_kvmclock,
547     .max_cpus = 255,
548     .compat_props = (GlobalProperty[]) {
549         PC_COMPAT_0_13,
550         {
551             .driver   = "virtio-9p-pci",
552             .property = "vectors",
553             .value    = stringify(0),
554         },{
555             .driver   = "VGA",
556             .property = "rombar",
557             .value    = stringify(0),
558         },{
559             .driver   = "vmware-svga",
560             .property = "rombar",
561             .value    = stringify(0),
562         },
563         { /* end of list */ }
564     },
565     .hw_version = "0.13",
566     DEFAULT_MACHINE_OPTIONS,
567 };
568 
569 #define PC_COMPAT_0_12 \
570         PC_COMPAT_0_13,\
571         {\
572             .driver   = "virtio-serial-pci",\
573             .property = "max_ports",\
574             .value    = stringify(1),\
575         },{\
576             .driver   = "virtio-serial-pci",\
577             .property = "vectors",\
578             .value    = stringify(0),\
579         }
580 
581 static QEMUMachine pc_machine_v0_12 = {
582     .name = "pc-0.12",
583     .desc = "Standard PC",
584     .init = pc_init_pci_no_kvmclock,
585     .max_cpus = 255,
586     .compat_props = (GlobalProperty[]) {
587         PC_COMPAT_0_12,
588         {
589             .driver   = "VGA",
590             .property = "rombar",
591             .value    = stringify(0),
592         },{
593             .driver   = "vmware-svga",
594             .property = "rombar",
595             .value    = stringify(0),
596         },
597         { /* end of list */ }
598     },
599     .hw_version = "0.12",
600     DEFAULT_MACHINE_OPTIONS,
601 };
602 
603 #define PC_COMPAT_0_11 \
604         PC_COMPAT_0_12,\
605         {\
606             .driver   = "virtio-blk-pci",\
607             .property = "vectors",\
608             .value    = stringify(0),\
609         },{\
610             .driver   = TYPE_PCI_DEVICE,\
611             .property = "rombar",\
612             .value    = stringify(0),\
613         }
614 
615 static QEMUMachine pc_machine_v0_11 = {
616     .name = "pc-0.11",
617     .desc = "Standard PC, qemu 0.11",
618     .init = pc_init_pci_no_kvmclock,
619     .max_cpus = 255,
620     .compat_props = (GlobalProperty[]) {
621         PC_COMPAT_0_11,
622         {
623             .driver   = "ide-drive",
624             .property = "ver",
625             .value    = "0.11",
626         },{
627             .driver   = "scsi-disk",
628             .property = "ver",
629             .value    = "0.11",
630         },
631         { /* end of list */ }
632     },
633     .hw_version = "0.11",
634     DEFAULT_MACHINE_OPTIONS,
635 };
636 
637 static QEMUMachine pc_machine_v0_10 = {
638     .name = "pc-0.10",
639     .desc = "Standard PC, qemu 0.10",
640     .init = pc_init_pci_no_kvmclock,
641     .max_cpus = 255,
642     .compat_props = (GlobalProperty[]) {
643         PC_COMPAT_0_11,
644         {
645             .driver   = "virtio-blk-pci",
646             .property = "class",
647             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
648         },{
649             .driver   = "virtio-serial-pci",
650             .property = "class",
651             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
652         },{
653             .driver   = "virtio-net-pci",
654             .property = "vectors",
655             .value    = stringify(0),
656         },{
657             .driver   = "ide-drive",
658             .property = "ver",
659             .value    = "0.10",
660         },{
661             .driver   = "scsi-disk",
662             .property = "ver",
663             .value    = "0.10",
664         },
665         { /* end of list */ }
666     },
667     .hw_version = "0.10",
668     DEFAULT_MACHINE_OPTIONS,
669 };
670 
671 static QEMUMachine isapc_machine = {
672     .name = "isapc",
673     .desc = "ISA-only PC",
674     .init = pc_init_isa,
675     .max_cpus = 1,
676     .compat_props = (GlobalProperty[]) {
677         {
678             .driver   = "pc-sysfw",
679             .property = "rom_only",
680             .value    = stringify(1),
681         },
682         { /* end of list */ }
683     },
684     DEFAULT_MACHINE_OPTIONS,
685 };
686 
687 #ifdef CONFIG_XEN
688 static QEMUMachine xenfv_machine = {
689     .name = "xenfv",
690     .desc = "Xen Fully-virtualized PC",
691     .init = pc_xen_hvm_init,
692     .max_cpus = HVM_MAX_VCPUS,
693     .default_machine_opts = "accel=xen",
694     DEFAULT_MACHINE_OPTIONS,
695 };
696 #endif
697 
698 static void pc_machine_init(void)
699 {
700     qemu_register_machine(&pc_i440fx_machine_v1_5);
701     qemu_register_machine(&pc_i440fx_machine_v1_4);
702     qemu_register_machine(&pc_machine_v1_3);
703     qemu_register_machine(&pc_machine_v1_2);
704     qemu_register_machine(&pc_machine_v1_1);
705     qemu_register_machine(&pc_machine_v1_0);
706     qemu_register_machine(&pc_machine_v0_15);
707     qemu_register_machine(&pc_machine_v0_14);
708     qemu_register_machine(&pc_machine_v0_13);
709     qemu_register_machine(&pc_machine_v0_12);
710     qemu_register_machine(&pc_machine_v0_11);
711     qemu_register_machine(&pc_machine_v0_10);
712     qemu_register_machine(&isapc_machine);
713 #ifdef CONFIG_XEN
714     qemu_register_machine(&xenfv_machine);
715 #endif
716 }
717 
718 machine_init(pc_machine_init);
719