xref: /openbmc/qemu/hw/i386/pc_piix.c (revision 3459a625215449b67b9c67d9151ff72892d0a42a)
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     PcGuestInfo *guest_info;
94 
95     if (xen_enabled() && xen_hvm_init() != 0) {
96         fprintf(stderr, "xen hardware virtual machine initialisation failed\n");
97         exit(1);
98     }
99 
100     icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
101     object_property_add_child(qdev_get_machine(), "icc-bridge",
102                               OBJECT(icc_bridge), NULL);
103 
104     pc_cpus_init(cpu_model, icc_bridge);
105     pc_acpi_init("acpi-dsdt.aml");
106 
107     if (kvm_enabled() && kvmclock_enabled) {
108         kvmclock_create();
109     }
110 
111     if (ram_size >= 0xe0000000 ) {
112         above_4g_mem_size = ram_size - 0xe0000000;
113         below_4g_mem_size = 0xe0000000;
114     } else {
115         above_4g_mem_size = 0;
116         below_4g_mem_size = ram_size;
117     }
118 
119     if (pci_enabled) {
120         pci_memory = g_new(MemoryRegion, 1);
121         memory_region_init(pci_memory, "pci", INT64_MAX);
122         rom_memory = pci_memory;
123     } else {
124         pci_memory = NULL;
125         rom_memory = system_memory;
126     }
127 
128     guest_info = pc_guest_info_init(below_4g_mem_size, above_4g_mem_size);
129 
130     /* Set PCI window size the way seabios has always done it. */
131     /* Power of 2 so bios can cover it with a single MTRR */
132     if (ram_size <= 0x80000000)
133         guest_info->pci_info.w32.begin = 0x80000000;
134     else if (ram_size <= 0xc0000000)
135         guest_info->pci_info.w32.begin = 0xc0000000;
136     else
137         guest_info->pci_info.w32.begin = 0xe0000000;
138 
139     /* allocate ram and load rom/bios */
140     if (!xen_enabled()) {
141         fw_cfg = pc_memory_init(system_memory,
142                        kernel_filename, kernel_cmdline, initrd_filename,
143                        below_4g_mem_size, above_4g_mem_size,
144                        rom_memory, &ram_memory, guest_info);
145     }
146 
147     gsi_state = g_malloc0(sizeof(*gsi_state));
148     if (kvm_irqchip_in_kernel()) {
149         kvm_pc_setup_irq_routing(pci_enabled);
150         gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
151                                  GSI_NUM_PINS);
152     } else {
153         gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
154     }
155 
156     if (pci_enabled) {
157         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
158                               system_memory, system_io, ram_size,
159                               below_4g_mem_size,
160                               0x100000000ULL - below_4g_mem_size,
161                               0x100000000ULL + above_4g_mem_size,
162                               (sizeof(hwaddr) == 4
163                                ? 0
164                                : ((uint64_t)1 << 62)),
165                               pci_memory, ram_memory);
166     } else {
167         pci_bus = NULL;
168         i440fx_state = NULL;
169         isa_bus = isa_bus_new(NULL, system_io);
170         no_hpet = 1;
171     }
172     isa_bus_irqs(isa_bus, gsi);
173 
174     if (kvm_irqchip_in_kernel()) {
175         i8259 = kvm_i8259_init(isa_bus);
176     } else if (xen_enabled()) {
177         i8259 = xen_interrupt_controller_init();
178     } else {
179         cpu_irq = pc_allocate_cpu_irq();
180         i8259 = i8259_init(isa_bus, cpu_irq[0]);
181     }
182 
183     for (i = 0; i < ISA_NUM_IRQS; i++) {
184         gsi_state->i8259_irq[i] = i8259[i];
185     }
186     if (pci_enabled) {
187         ioapic_init_gsi(gsi_state, "i440fx");
188     }
189     qdev_init_nofail(icc_bridge);
190 
191     pc_register_ferr_irq(gsi[13]);
192 
193     pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
194 
195     /* init basic PC hardware */
196     pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled());
197 
198     pc_nic_init(isa_bus, pci_bus);
199 
200     ide_drive_get(hd, MAX_IDE_BUS);
201     if (pci_enabled) {
202         PCIDevice *dev;
203         if (xen_enabled()) {
204             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
205         } else {
206             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
207         }
208         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
209         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
210     } else {
211         for(i = 0; i < MAX_IDE_BUS; i++) {
212             ISADevice *dev;
213             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
214                                ide_irq[i],
215                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
216             idebus[i] = qdev_get_child_bus(DEVICE(dev), "ide.0");
217         }
218     }
219 
220     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
221                  floppy, idebus[0], idebus[1], rtc_state);
222 
223     if (pci_enabled && usb_enabled(false)) {
224         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
225     }
226 
227     if (pci_enabled && acpi_enabled) {
228         i2c_bus *smbus;
229 
230         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt,
231                                      x86_env_get_cpu(first_cpu), 1);
232         /* TODO: Populate SPD eeprom data.  */
233         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
234                               gsi[9], *smi_irq,
235                               kvm_enabled(), fw_cfg);
236         smbus_eeprom_init(smbus, 8, NULL, 0);
237     }
238 
239     if (pci_enabled) {
240         pc_pci_device_init(pci_bus);
241     }
242 
243     if (has_pvpanic) {
244         pvpanic_init(isa_bus);
245     }
246 }
247 
248 static void pc_init_pci(QEMUMachineInitArgs *args)
249 {
250     ram_addr_t ram_size = args->ram_size;
251     const char *cpu_model = args->cpu_model;
252     const char *kernel_filename = args->kernel_filename;
253     const char *kernel_cmdline = args->kernel_cmdline;
254     const char *initrd_filename = args->initrd_filename;
255     const char *boot_device = args->boot_device;
256     pc_init1(get_system_memory(),
257              get_system_io(),
258              ram_size, boot_device,
259              kernel_filename, kernel_cmdline,
260              initrd_filename, cpu_model, 1, 1);
261 }
262 
263 static void pc_init_pci_1_4(QEMUMachineInitArgs *args)
264 {
265     has_pvpanic = false;
266     x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
267     pc_init_pci(args);
268 }
269 
270 static void pc_init_pci_1_3(QEMUMachineInitArgs *args)
271 {
272     enable_compat_apic_id_mode();
273     has_pvpanic = false;
274     pc_init_pci(args);
275 }
276 
277 /* PC machine init function for pc-1.1 to pc-1.2 */
278 static void pc_init_pci_1_2(QEMUMachineInitArgs *args)
279 {
280     disable_kvm_pv_eoi();
281     enable_compat_apic_id_mode();
282     has_pvpanic = false;
283     pc_init_pci(args);
284 }
285 
286 /* PC machine init function for pc-0.14 to pc-1.0 */
287 static void pc_init_pci_1_0(QEMUMachineInitArgs *args)
288 {
289     disable_kvm_pv_eoi();
290     enable_compat_apic_id_mode();
291     has_pvpanic = false;
292     pc_init_pci(args);
293 }
294 
295 /* PC init function for pc-0.10 to pc-0.13, and reused by xenfv */
296 static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args)
297 {
298     ram_addr_t ram_size = args->ram_size;
299     const char *cpu_model = args->cpu_model;
300     const char *kernel_filename = args->kernel_filename;
301     const char *kernel_cmdline = args->kernel_cmdline;
302     const char *initrd_filename = args->initrd_filename;
303     const char *boot_device = args->boot_device;
304     has_pvpanic = false;
305     disable_kvm_pv_eoi();
306     enable_compat_apic_id_mode();
307     pc_init1(get_system_memory(),
308              get_system_io(),
309              ram_size, boot_device,
310              kernel_filename, kernel_cmdline,
311              initrd_filename, cpu_model, 1, 0);
312 }
313 
314 static void pc_init_isa(QEMUMachineInitArgs *args)
315 {
316     ram_addr_t ram_size = args->ram_size;
317     const char *cpu_model = args->cpu_model;
318     const char *kernel_filename = args->kernel_filename;
319     const char *kernel_cmdline = args->kernel_cmdline;
320     const char *initrd_filename = args->initrd_filename;
321     const char *boot_device = args->boot_device;
322     has_pvpanic = false;
323     if (cpu_model == NULL)
324         cpu_model = "486";
325     disable_kvm_pv_eoi();
326     enable_compat_apic_id_mode();
327     pc_init1(get_system_memory(),
328              get_system_io(),
329              ram_size, boot_device,
330              kernel_filename, kernel_cmdline,
331              initrd_filename, cpu_model, 0, 1);
332 }
333 
334 #ifdef CONFIG_XEN
335 static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
336 {
337     PCIBus *bus;
338 
339     pc_init_pci(args);
340 
341     bus = pci_find_root_bus(0);
342     if (bus != NULL) {
343         pci_create_simple(bus, -1, "xen-platform");
344     }
345 }
346 #endif
347 
348 static QEMUMachine pc_i440fx_machine_v1_6 = {
349     .name = "pc-i440fx-1.6",
350     .alias = "pc",
351     .desc = "Standard PC (i440FX + PIIX, 1996)",
352     .init = pc_init_pci,
353     .hot_add_cpu = pc_hot_add_cpu,
354     .max_cpus = 255,
355     .is_default = 1,
356     DEFAULT_MACHINE_OPTIONS,
357 };
358 
359 static QEMUMachine pc_i440fx_machine_v1_5 = {
360     .name = "pc-i440fx-1.5",
361     .desc = "Standard PC (i440FX + PIIX, 1996)",
362     .init = pc_init_pci,
363     .hot_add_cpu = pc_hot_add_cpu,
364     .max_cpus = 255,
365     .compat_props = (GlobalProperty[]) {
366         PC_COMPAT_1_5,
367         { /* end of list */ }
368     },
369     DEFAULT_MACHINE_OPTIONS,
370 };
371 
372 static QEMUMachine pc_i440fx_machine_v1_4 = {
373     .name = "pc-i440fx-1.4",
374     .desc = "Standard PC (i440FX + PIIX, 1996)",
375     .init = pc_init_pci_1_4,
376     .max_cpus = 255,
377     .compat_props = (GlobalProperty[]) {
378         PC_COMPAT_1_4,
379         { /* end of list */ }
380     },
381     DEFAULT_MACHINE_OPTIONS,
382 };
383 
384 #define PC_COMPAT_1_3 \
385 	PC_COMPAT_1_4, \
386         {\
387             .driver   = "usb-tablet",\
388             .property = "usb_version",\
389             .value    = stringify(1),\
390         },{\
391             .driver   = "virtio-net-pci",\
392             .property = "ctrl_mac_addr",\
393             .value    = "off",      \
394         },{ \
395             .driver   = "virtio-net-pci", \
396             .property = "mq", \
397             .value    = "off", \
398         }, {\
399             .driver   = "e1000",\
400             .property = "autonegotiation",\
401             .value    = "off",\
402         }
403 
404 static QEMUMachine pc_machine_v1_3 = {
405     .name = "pc-1.3",
406     .desc = "Standard PC",
407     .init = pc_init_pci_1_3,
408     .max_cpus = 255,
409     .compat_props = (GlobalProperty[]) {
410         PC_COMPAT_1_3,
411         { /* end of list */ }
412     },
413     DEFAULT_MACHINE_OPTIONS,
414 };
415 
416 #define PC_COMPAT_1_2 \
417         PC_COMPAT_1_3,\
418         {\
419             .driver   = "nec-usb-xhci",\
420             .property = "msi",\
421             .value    = "off",\
422         },{\
423             .driver   = "nec-usb-xhci",\
424             .property = "msix",\
425             .value    = "off",\
426         },{\
427             .driver   = "ivshmem",\
428             .property = "use64",\
429             .value    = "0",\
430         },{\
431             .driver   = "qxl",\
432             .property = "revision",\
433             .value    = stringify(3),\
434         },{\
435             .driver   = "qxl-vga",\
436             .property = "revision",\
437             .value    = stringify(3),\
438         },{\
439             .driver   = "VGA",\
440             .property = "mmio",\
441             .value    = "off",\
442         }
443 
444 static QEMUMachine pc_machine_v1_2 = {
445     .name = "pc-1.2",
446     .desc = "Standard PC",
447     .init = pc_init_pci_1_2,
448     .max_cpus = 255,
449     .compat_props = (GlobalProperty[]) {
450         PC_COMPAT_1_2,
451         { /* end of list */ }
452     },
453     DEFAULT_MACHINE_OPTIONS,
454 };
455 
456 #define PC_COMPAT_1_1 \
457         PC_COMPAT_1_2,\
458         {\
459             .driver   = "virtio-scsi-pci",\
460             .property = "hotplug",\
461             .value    = "off",\
462         },{\
463             .driver   = "virtio-scsi-pci",\
464             .property = "param_change",\
465             .value    = "off",\
466         },{\
467             .driver   = "VGA",\
468             .property = "vgamem_mb",\
469             .value    = stringify(8),\
470         },{\
471             .driver   = "vmware-svga",\
472             .property = "vgamem_mb",\
473             .value    = stringify(8),\
474         },{\
475             .driver   = "qxl-vga",\
476             .property = "vgamem_mb",\
477             .value    = stringify(8),\
478         },{\
479             .driver   = "qxl",\
480             .property = "vgamem_mb",\
481             .value    = stringify(8),\
482         },{\
483             .driver   = "virtio-blk-pci",\
484             .property = "config-wce",\
485             .value    = "off",\
486         }
487 
488 static QEMUMachine pc_machine_v1_1 = {
489     .name = "pc-1.1",
490     .desc = "Standard PC",
491     .init = pc_init_pci_1_2,
492     .max_cpus = 255,
493     .compat_props = (GlobalProperty[]) {
494         PC_COMPAT_1_1,
495         { /* end of list */ }
496     },
497     DEFAULT_MACHINE_OPTIONS,
498 };
499 
500 #define PC_COMPAT_1_0 \
501         PC_COMPAT_1_1,\
502         {\
503             .driver   = "pc-sysfw",\
504             .property = "rom_only",\
505             .value    = stringify(1),\
506         }, {\
507             .driver   = TYPE_ISA_FDC,\
508             .property = "check_media_rate",\
509             .value    = "off",\
510         }, {\
511             .driver   = "virtio-balloon-pci",\
512             .property = "class",\
513             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
514         },{\
515             .driver   = "apic",\
516             .property = "vapic",\
517             .value    = "off",\
518         },{\
519             .driver   = TYPE_USB_DEVICE,\
520             .property = "full-path",\
521             .value    = "no",\
522         }
523 
524 static QEMUMachine pc_machine_v1_0 = {
525     .name = "pc-1.0",
526     .desc = "Standard PC",
527     .init = pc_init_pci_1_0,
528     .max_cpus = 255,
529     .compat_props = (GlobalProperty[]) {
530         PC_COMPAT_1_0,
531         { /* end of list */ }
532     },
533     .hw_version = "1.0",
534     DEFAULT_MACHINE_OPTIONS,
535 };
536 
537 #define PC_COMPAT_0_15 \
538         PC_COMPAT_1_0
539 
540 static QEMUMachine pc_machine_v0_15 = {
541     .name = "pc-0.15",
542     .desc = "Standard PC",
543     .init = pc_init_pci_1_0,
544     .max_cpus = 255,
545     .compat_props = (GlobalProperty[]) {
546         PC_COMPAT_0_15,
547         { /* end of list */ }
548     },
549     .hw_version = "0.15",
550     DEFAULT_MACHINE_OPTIONS,
551 };
552 
553 #define PC_COMPAT_0_14 \
554         PC_COMPAT_0_15,\
555         {\
556             .driver   = "virtio-blk-pci",\
557             .property = "event_idx",\
558             .value    = "off",\
559         },{\
560             .driver   = "virtio-serial-pci",\
561             .property = "event_idx",\
562             .value    = "off",\
563         },{\
564             .driver   = "virtio-net-pci",\
565             .property = "event_idx",\
566             .value    = "off",\
567         },{\
568             .driver   = "virtio-balloon-pci",\
569             .property = "event_idx",\
570             .value    = "off",\
571         }
572 
573 static QEMUMachine pc_machine_v0_14 = {
574     .name = "pc-0.14",
575     .desc = "Standard PC",
576     .init = pc_init_pci_1_0,
577     .max_cpus = 255,
578     .compat_props = (GlobalProperty[]) {
579         PC_COMPAT_0_14,
580         {
581             .driver   = "qxl",
582             .property = "revision",
583             .value    = stringify(2),
584         },{
585             .driver   = "qxl-vga",
586             .property = "revision",
587             .value    = stringify(2),
588         },
589         { /* end of list */ }
590     },
591     .hw_version = "0.14",
592     DEFAULT_MACHINE_OPTIONS,
593 };
594 
595 #define PC_COMPAT_0_13 \
596         PC_COMPAT_0_14,\
597         {\
598             .driver   = TYPE_PCI_DEVICE,\
599             .property = "command_serr_enable",\
600             .value    = "off",\
601         },{\
602             .driver   = "AC97",\
603             .property = "use_broken_id",\
604             .value    = stringify(1),\
605         }
606 
607 static QEMUMachine pc_machine_v0_13 = {
608     .name = "pc-0.13",
609     .desc = "Standard PC",
610     .init = pc_init_pci_no_kvmclock,
611     .max_cpus = 255,
612     .compat_props = (GlobalProperty[]) {
613         PC_COMPAT_0_13,
614         {
615             .driver   = "virtio-9p-pci",
616             .property = "vectors",
617             .value    = stringify(0),
618         },{
619             .driver   = "VGA",
620             .property = "rombar",
621             .value    = stringify(0),
622         },{
623             .driver   = "vmware-svga",
624             .property = "rombar",
625             .value    = stringify(0),
626         },
627         { /* end of list */ }
628     },
629     .hw_version = "0.13",
630     DEFAULT_MACHINE_OPTIONS,
631 };
632 
633 #define PC_COMPAT_0_12 \
634         PC_COMPAT_0_13,\
635         {\
636             .driver   = "virtio-serial-pci",\
637             .property = "max_ports",\
638             .value    = stringify(1),\
639         },{\
640             .driver   = "virtio-serial-pci",\
641             .property = "vectors",\
642             .value    = stringify(0),\
643         },{\
644             .driver   = "usb-mouse",\
645             .property = "serial",\
646             .value    = "1",\
647         },{\
648             .driver   = "usb-tablet",\
649             .property = "serial",\
650             .value    = "1",\
651         },{\
652             .driver   = "usb-kbd",\
653             .property = "serial",\
654             .value    = "1",\
655         }
656 
657 static QEMUMachine pc_machine_v0_12 = {
658     .name = "pc-0.12",
659     .desc = "Standard PC",
660     .init = pc_init_pci_no_kvmclock,
661     .max_cpus = 255,
662     .compat_props = (GlobalProperty[]) {
663         PC_COMPAT_0_12,
664         {
665             .driver   = "VGA",
666             .property = "rombar",
667             .value    = stringify(0),
668         },{
669             .driver   = "vmware-svga",
670             .property = "rombar",
671             .value    = stringify(0),
672         },
673         { /* end of list */ }
674     },
675     .hw_version = "0.12",
676     DEFAULT_MACHINE_OPTIONS,
677 };
678 
679 #define PC_COMPAT_0_11 \
680         PC_COMPAT_0_12,\
681         {\
682             .driver   = "virtio-blk-pci",\
683             .property = "vectors",\
684             .value    = stringify(0),\
685         },{\
686             .driver   = TYPE_PCI_DEVICE,\
687             .property = "rombar",\
688             .value    = stringify(0),\
689         }
690 
691 static QEMUMachine pc_machine_v0_11 = {
692     .name = "pc-0.11",
693     .desc = "Standard PC, qemu 0.11",
694     .init = pc_init_pci_no_kvmclock,
695     .max_cpus = 255,
696     .compat_props = (GlobalProperty[]) {
697         PC_COMPAT_0_11,
698         {
699             .driver   = "ide-drive",
700             .property = "ver",
701             .value    = "0.11",
702         },{
703             .driver   = "scsi-disk",
704             .property = "ver",
705             .value    = "0.11",
706         },
707         { /* end of list */ }
708     },
709     .hw_version = "0.11",
710     DEFAULT_MACHINE_OPTIONS,
711 };
712 
713 static QEMUMachine pc_machine_v0_10 = {
714     .name = "pc-0.10",
715     .desc = "Standard PC, qemu 0.10",
716     .init = pc_init_pci_no_kvmclock,
717     .max_cpus = 255,
718     .compat_props = (GlobalProperty[]) {
719         PC_COMPAT_0_11,
720         {
721             .driver   = "virtio-blk-pci",
722             .property = "class",
723             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
724         },{
725             .driver   = "virtio-serial-pci",
726             .property = "class",
727             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
728         },{
729             .driver   = "virtio-net-pci",
730             .property = "vectors",
731             .value    = stringify(0),
732         },{
733             .driver   = "ide-drive",
734             .property = "ver",
735             .value    = "0.10",
736         },{
737             .driver   = "scsi-disk",
738             .property = "ver",
739             .value    = "0.10",
740         },
741         { /* end of list */ }
742     },
743     .hw_version = "0.10",
744     DEFAULT_MACHINE_OPTIONS,
745 };
746 
747 static QEMUMachine isapc_machine = {
748     .name = "isapc",
749     .desc = "ISA-only PC",
750     .init = pc_init_isa,
751     .max_cpus = 1,
752     .compat_props = (GlobalProperty[]) {
753         {
754             .driver   = "pc-sysfw",
755             .property = "rom_only",
756             .value    = stringify(1),
757         },
758         {
759             .driver   = "pc-sysfw",
760             .property = "isapc_ram_fw",
761             .value    = stringify(1),
762         },
763         { /* end of list */ }
764     },
765     DEFAULT_MACHINE_OPTIONS,
766 };
767 
768 #ifdef CONFIG_XEN
769 static QEMUMachine xenfv_machine = {
770     .name = "xenfv",
771     .desc = "Xen Fully-virtualized PC",
772     .init = pc_xen_hvm_init,
773     .max_cpus = HVM_MAX_VCPUS,
774     .default_machine_opts = "accel=xen",
775     DEFAULT_MACHINE_OPTIONS,
776 };
777 #endif
778 
779 static void pc_machine_init(void)
780 {
781     qemu_register_machine(&pc_i440fx_machine_v1_6);
782     qemu_register_machine(&pc_i440fx_machine_v1_5);
783     qemu_register_machine(&pc_i440fx_machine_v1_4);
784     qemu_register_machine(&pc_machine_v1_3);
785     qemu_register_machine(&pc_machine_v1_2);
786     qemu_register_machine(&pc_machine_v1_1);
787     qemu_register_machine(&pc_machine_v1_0);
788     qemu_register_machine(&pc_machine_v0_15);
789     qemu_register_machine(&pc_machine_v0_14);
790     qemu_register_machine(&pc_machine_v0_13);
791     qemu_register_machine(&pc_machine_v0_12);
792     qemu_register_machine(&pc_machine_v0_11);
793     qemu_register_machine(&pc_machine_v0_10);
794     qemu_register_machine(&isapc_machine);
795 #ifdef CONFIG_XEN
796     qemu_register_machine(&xenfv_machine);
797 #endif
798 }
799 
800 machine_init(pc_machine_init);
801