xref: /openbmc/qemu/hw/i386/pc_piix.c (revision 9121d02c)
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 static bool has_pci_info = true;
61 
62 /* PC hardware initialisation */
63 static void pc_init1(MemoryRegion *system_memory,
64                      MemoryRegion *system_io,
65                      ram_addr_t ram_size,
66                      const char *boot_device,
67                      const char *kernel_filename,
68                      const char *kernel_cmdline,
69                      const char *initrd_filename,
70                      const char *cpu_model,
71                      int pci_enabled,
72                      int kvmclock_enabled)
73 {
74     int i;
75     ram_addr_t below_4g_mem_size, above_4g_mem_size;
76     PCIBus *pci_bus;
77     ISABus *isa_bus;
78     PCII440FXState *i440fx_state;
79     int piix3_devfn = -1;
80     qemu_irq *cpu_irq;
81     qemu_irq *gsi;
82     qemu_irq *i8259;
83     qemu_irq *smi_irq;
84     GSIState *gsi_state;
85     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
86     BusState *idebus[MAX_IDE_BUS];
87     ISADevice *rtc_state;
88     ISADevice *floppy;
89     MemoryRegion *ram_memory;
90     MemoryRegion *pci_memory;
91     MemoryRegion *rom_memory;
92     DeviceState *icc_bridge;
93     FWCfgState *fw_cfg = NULL;
94     PcGuestInfo *guest_info;
95 
96     if (xen_enabled() && xen_hvm_init() != 0) {
97         fprintf(stderr, "xen hardware virtual machine initialisation failed\n");
98         exit(1);
99     }
100 
101     icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
102     object_property_add_child(qdev_get_machine(), "icc-bridge",
103                               OBJECT(icc_bridge), NULL);
104 
105     pc_cpus_init(cpu_model, icc_bridge);
106     pc_acpi_init("acpi-dsdt.aml");
107 
108     if (kvm_enabled() && kvmclock_enabled) {
109         kvmclock_create();
110     }
111 
112     if (ram_size >= 0xe0000000 ) {
113         above_4g_mem_size = ram_size - 0xe0000000;
114         below_4g_mem_size = 0xe0000000;
115     } else {
116         above_4g_mem_size = 0;
117         below_4g_mem_size = ram_size;
118     }
119 
120     if (pci_enabled) {
121         pci_memory = g_new(MemoryRegion, 1);
122         memory_region_init(pci_memory, NULL, "pci", INT64_MAX);
123         rom_memory = pci_memory;
124     } else {
125         pci_memory = NULL;
126         rom_memory = system_memory;
127     }
128 
129     guest_info = pc_guest_info_init(below_4g_mem_size, above_4g_mem_size);
130     guest_info->has_pci_info = has_pci_info;
131 
132     /* Set PCI window size the way seabios has always done it. */
133     /* Power of 2 so bios can cover it with a single MTRR */
134     if (ram_size <= 0x80000000)
135         guest_info->pci_info.w32.begin = 0x80000000;
136     else if (ram_size <= 0xc0000000)
137         guest_info->pci_info.w32.begin = 0xc0000000;
138     else
139         guest_info->pci_info.w32.begin = 0xe0000000;
140 
141     /* allocate ram and load rom/bios */
142     if (!xen_enabled()) {
143         fw_cfg = pc_memory_init(system_memory,
144                        kernel_filename, kernel_cmdline, initrd_filename,
145                        below_4g_mem_size, above_4g_mem_size,
146                        rom_memory, &ram_memory, guest_info);
147     }
148 
149     gsi_state = g_malloc0(sizeof(*gsi_state));
150     if (kvm_irqchip_in_kernel()) {
151         kvm_pc_setup_irq_routing(pci_enabled);
152         gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
153                                  GSI_NUM_PINS);
154     } else {
155         gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
156     }
157 
158     if (pci_enabled) {
159         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
160                               system_memory, system_io, ram_size,
161                               below_4g_mem_size,
162                               0x100000000ULL - below_4g_mem_size,
163                               0x100000000ULL + above_4g_mem_size,
164                               (sizeof(hwaddr) == 4
165                                ? 0
166                                : ((uint64_t)1 << 62)),
167                               pci_memory, ram_memory);
168     } else {
169         pci_bus = NULL;
170         i440fx_state = NULL;
171         isa_bus = isa_bus_new(NULL, system_io);
172         no_hpet = 1;
173     }
174     isa_bus_irqs(isa_bus, gsi);
175 
176     if (kvm_irqchip_in_kernel()) {
177         i8259 = kvm_i8259_init(isa_bus);
178     } else if (xen_enabled()) {
179         i8259 = xen_interrupt_controller_init();
180     } else {
181         cpu_irq = pc_allocate_cpu_irq();
182         i8259 = i8259_init(isa_bus, cpu_irq[0]);
183     }
184 
185     for (i = 0; i < ISA_NUM_IRQS; i++) {
186         gsi_state->i8259_irq[i] = i8259[i];
187     }
188     if (pci_enabled) {
189         ioapic_init_gsi(gsi_state, "i440fx");
190     }
191     qdev_init_nofail(icc_bridge);
192 
193     pc_register_ferr_irq(gsi[13]);
194 
195     pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
196 
197     /* init basic PC hardware */
198     pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled());
199 
200     pc_nic_init(isa_bus, pci_bus);
201 
202     ide_drive_get(hd, MAX_IDE_BUS);
203     if (pci_enabled) {
204         PCIDevice *dev;
205         if (xen_enabled()) {
206             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
207         } else {
208             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
209         }
210         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
211         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
212     } else {
213         for(i = 0; i < MAX_IDE_BUS; i++) {
214             ISADevice *dev;
215             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
216                                ide_irq[i],
217                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
218             idebus[i] = qdev_get_child_bus(DEVICE(dev), "ide.0");
219         }
220     }
221 
222     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
223                  floppy, idebus[0], idebus[1], rtc_state);
224 
225     if (pci_enabled && usb_enabled(false)) {
226         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
227     }
228 
229     if (pci_enabled && acpi_enabled) {
230         i2c_bus *smbus;
231 
232         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
233         /* TODO: Populate SPD eeprom data.  */
234         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
235                               gsi[9], *smi_irq,
236                               kvm_enabled(), fw_cfg);
237         smbus_eeprom_init(smbus, 8, NULL, 0);
238     }
239 
240     if (pci_enabled) {
241         pc_pci_device_init(pci_bus);
242     }
243 
244     if (has_pvpanic) {
245         pvpanic_init(isa_bus);
246     }
247 }
248 
249 static void pc_init_pci(QEMUMachineInitArgs *args)
250 {
251     ram_addr_t ram_size = args->ram_size;
252     const char *cpu_model = args->cpu_model;
253     const char *kernel_filename = args->kernel_filename;
254     const char *kernel_cmdline = args->kernel_cmdline;
255     const char *initrd_filename = args->initrd_filename;
256     const char *boot_device = args->boot_device;
257     pc_init1(get_system_memory(),
258              get_system_io(),
259              ram_size, boot_device,
260              kernel_filename, kernel_cmdline,
261              initrd_filename, cpu_model, 1, 1);
262 }
263 
264 static void pc_init_pci_1_5(QEMUMachineInitArgs *args)
265 {
266     has_pci_info = false;
267     pc_init_pci(args);
268 }
269 
270 static void pc_init_pci_1_4(QEMUMachineInitArgs *args)
271 {
272     has_pvpanic = false;
273     x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
274     pc_init_pci_1_5(args);
275 }
276 
277 static void pc_init_pci_1_3(QEMUMachineInitArgs *args)
278 {
279     enable_compat_apic_id_mode();
280     pc_init_pci_1_4(args);
281 }
282 
283 /* PC machine init function for pc-1.1 to pc-1.2 */
284 static void pc_init_pci_1_2(QEMUMachineInitArgs *args)
285 {
286     disable_kvm_pv_eoi();
287     pc_init_pci_1_3(args);
288 }
289 
290 /* PC machine init function for pc-0.14 to pc-1.0 */
291 static void pc_init_pci_1_0(QEMUMachineInitArgs *args)
292 {
293     pc_init_pci_1_2(args);
294 }
295 
296 /* PC init function for pc-0.10 to pc-0.13, and reused by xenfv */
297 static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args)
298 {
299     ram_addr_t ram_size = args->ram_size;
300     const char *cpu_model = args->cpu_model;
301     const char *kernel_filename = args->kernel_filename;
302     const char *kernel_cmdline = args->kernel_cmdline;
303     const char *initrd_filename = args->initrd_filename;
304     const char *boot_device = args->boot_device;
305     has_pvpanic = false;
306     has_pci_info = false;
307     disable_kvm_pv_eoi();
308     enable_compat_apic_id_mode();
309     pc_init1(get_system_memory(),
310              get_system_io(),
311              ram_size, boot_device,
312              kernel_filename, kernel_cmdline,
313              initrd_filename, cpu_model, 1, 0);
314 }
315 
316 static void pc_init_isa(QEMUMachineInitArgs *args)
317 {
318     ram_addr_t ram_size = args->ram_size;
319     const char *cpu_model = args->cpu_model;
320     const char *kernel_filename = args->kernel_filename;
321     const char *kernel_cmdline = args->kernel_cmdline;
322     const char *initrd_filename = args->initrd_filename;
323     const char *boot_device = args->boot_device;
324     has_pvpanic = false;
325     has_pci_info = false;
326     if (cpu_model == NULL)
327         cpu_model = "486";
328     disable_kvm_pv_eoi();
329     enable_compat_apic_id_mode();
330     pc_init1(get_system_memory(),
331              get_system_io(),
332              ram_size, boot_device,
333              kernel_filename, kernel_cmdline,
334              initrd_filename, cpu_model, 0, 1);
335 }
336 
337 #ifdef CONFIG_XEN
338 static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
339 {
340     PCIBus *bus;
341 
342     pc_init_pci(args);
343 
344     bus = pci_find_primary_bus();
345     if (bus != NULL) {
346         pci_create_simple(bus, -1, "xen-platform");
347     }
348 }
349 #endif
350 
351 static QEMUMachine pc_i440fx_machine_v1_6 = {
352     .name = "pc-i440fx-1.6",
353     .alias = "pc",
354     .desc = "Standard PC (i440FX + PIIX, 1996)",
355     .init = pc_init_pci,
356     .hot_add_cpu = pc_hot_add_cpu,
357     .max_cpus = 255,
358     .is_default = 1,
359     DEFAULT_MACHINE_OPTIONS,
360 };
361 
362 static QEMUMachine pc_i440fx_machine_v1_5 = {
363     .name = "pc-i440fx-1.5",
364     .desc = "Standard PC (i440FX + PIIX, 1996)",
365     .init = pc_init_pci_1_5,
366     .hot_add_cpu = pc_hot_add_cpu,
367     .max_cpus = 255,
368     .compat_props = (GlobalProperty[]) {
369         PC_COMPAT_1_5,
370         { /* end of list */ }
371     },
372     DEFAULT_MACHINE_OPTIONS,
373 };
374 
375 static QEMUMachine pc_i440fx_machine_v1_4 = {
376     .name = "pc-i440fx-1.4",
377     .desc = "Standard PC (i440FX + PIIX, 1996)",
378     .init = pc_init_pci_1_4,
379     .max_cpus = 255,
380     .compat_props = (GlobalProperty[]) {
381         PC_COMPAT_1_4,
382         { /* end of list */ }
383     },
384     DEFAULT_MACHINE_OPTIONS,
385 };
386 
387 #define PC_COMPAT_1_3 \
388 	PC_COMPAT_1_4, \
389         {\
390             .driver   = "usb-tablet",\
391             .property = "usb_version",\
392             .value    = stringify(1),\
393         },{\
394             .driver   = "virtio-net-pci",\
395             .property = "ctrl_mac_addr",\
396             .value    = "off",      \
397         },{ \
398             .driver   = "virtio-net-pci", \
399             .property = "mq", \
400             .value    = "off", \
401         }, {\
402             .driver   = "e1000",\
403             .property = "autonegotiation",\
404             .value    = "off",\
405         }
406 
407 static QEMUMachine pc_machine_v1_3 = {
408     .name = "pc-1.3",
409     .desc = "Standard PC",
410     .init = pc_init_pci_1_3,
411     .max_cpus = 255,
412     .compat_props = (GlobalProperty[]) {
413         PC_COMPAT_1_3,
414         { /* end of list */ }
415     },
416     DEFAULT_MACHINE_OPTIONS,
417 };
418 
419 #define PC_COMPAT_1_2 \
420         PC_COMPAT_1_3,\
421         {\
422             .driver   = "nec-usb-xhci",\
423             .property = "msi",\
424             .value    = "off",\
425         },{\
426             .driver   = "nec-usb-xhci",\
427             .property = "msix",\
428             .value    = "off",\
429         },{\
430             .driver   = "ivshmem",\
431             .property = "use64",\
432             .value    = "0",\
433         },{\
434             .driver   = "qxl",\
435             .property = "revision",\
436             .value    = stringify(3),\
437         },{\
438             .driver   = "qxl-vga",\
439             .property = "revision",\
440             .value    = stringify(3),\
441         },{\
442             .driver   = "VGA",\
443             .property = "mmio",\
444             .value    = "off",\
445         }
446 
447 static QEMUMachine pc_machine_v1_2 = {
448     .name = "pc-1.2",
449     .desc = "Standard PC",
450     .init = pc_init_pci_1_2,
451     .max_cpus = 255,
452     .compat_props = (GlobalProperty[]) {
453         PC_COMPAT_1_2,
454         { /* end of list */ }
455     },
456     DEFAULT_MACHINE_OPTIONS,
457 };
458 
459 #define PC_COMPAT_1_1 \
460         PC_COMPAT_1_2,\
461         {\
462             .driver   = "virtio-scsi-pci",\
463             .property = "hotplug",\
464             .value    = "off",\
465         },{\
466             .driver   = "virtio-scsi-pci",\
467             .property = "param_change",\
468             .value    = "off",\
469         },{\
470             .driver   = "VGA",\
471             .property = "vgamem_mb",\
472             .value    = stringify(8),\
473         },{\
474             .driver   = "vmware-svga",\
475             .property = "vgamem_mb",\
476             .value    = stringify(8),\
477         },{\
478             .driver   = "qxl-vga",\
479             .property = "vgamem_mb",\
480             .value    = stringify(8),\
481         },{\
482             .driver   = "qxl",\
483             .property = "vgamem_mb",\
484             .value    = stringify(8),\
485         },{\
486             .driver   = "virtio-blk-pci",\
487             .property = "config-wce",\
488             .value    = "off",\
489         }
490 
491 static QEMUMachine pc_machine_v1_1 = {
492     .name = "pc-1.1",
493     .desc = "Standard PC",
494     .init = pc_init_pci_1_2,
495     .max_cpus = 255,
496     .compat_props = (GlobalProperty[]) {
497         PC_COMPAT_1_1,
498         { /* end of list */ }
499     },
500     DEFAULT_MACHINE_OPTIONS,
501 };
502 
503 #define PC_COMPAT_1_0 \
504         PC_COMPAT_1_1,\
505         {\
506             .driver   = "pc-sysfw",\
507             .property = "rom_only",\
508             .value    = stringify(1),\
509         }, {\
510             .driver   = TYPE_ISA_FDC,\
511             .property = "check_media_rate",\
512             .value    = "off",\
513         }, {\
514             .driver   = "virtio-balloon-pci",\
515             .property = "class",\
516             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
517         },{\
518             .driver   = "apic",\
519             .property = "vapic",\
520             .value    = "off",\
521         },{\
522             .driver   = TYPE_USB_DEVICE,\
523             .property = "full-path",\
524             .value    = "no",\
525         }
526 
527 static QEMUMachine pc_machine_v1_0 = {
528     .name = "pc-1.0",
529     .desc = "Standard PC",
530     .init = pc_init_pci_1_0,
531     .max_cpus = 255,
532     .compat_props = (GlobalProperty[]) {
533         PC_COMPAT_1_0,
534         { /* end of list */ }
535     },
536     .hw_version = "1.0",
537     DEFAULT_MACHINE_OPTIONS,
538 };
539 
540 #define PC_COMPAT_0_15 \
541         PC_COMPAT_1_0
542 
543 static QEMUMachine pc_machine_v0_15 = {
544     .name = "pc-0.15",
545     .desc = "Standard PC",
546     .init = pc_init_pci_1_0,
547     .max_cpus = 255,
548     .compat_props = (GlobalProperty[]) {
549         PC_COMPAT_0_15,
550         { /* end of list */ }
551     },
552     .hw_version = "0.15",
553     DEFAULT_MACHINE_OPTIONS,
554 };
555 
556 #define PC_COMPAT_0_14 \
557         PC_COMPAT_0_15,\
558         {\
559             .driver   = "virtio-blk-pci",\
560             .property = "event_idx",\
561             .value    = "off",\
562         },{\
563             .driver   = "virtio-serial-pci",\
564             .property = "event_idx",\
565             .value    = "off",\
566         },{\
567             .driver   = "virtio-net-pci",\
568             .property = "event_idx",\
569             .value    = "off",\
570         },{\
571             .driver   = "virtio-balloon-pci",\
572             .property = "event_idx",\
573             .value    = "off",\
574         }
575 
576 static QEMUMachine pc_machine_v0_14 = {
577     .name = "pc-0.14",
578     .desc = "Standard PC",
579     .init = pc_init_pci_1_0,
580     .max_cpus = 255,
581     .compat_props = (GlobalProperty[]) {
582         PC_COMPAT_0_14,
583         {
584             .driver   = "qxl",
585             .property = "revision",
586             .value    = stringify(2),
587         },{
588             .driver   = "qxl-vga",
589             .property = "revision",
590             .value    = stringify(2),
591         },
592         { /* end of list */ }
593     },
594     .hw_version = "0.14",
595     DEFAULT_MACHINE_OPTIONS,
596 };
597 
598 #define PC_COMPAT_0_13 \
599         PC_COMPAT_0_14,\
600         {\
601             .driver   = TYPE_PCI_DEVICE,\
602             .property = "command_serr_enable",\
603             .value    = "off",\
604         },{\
605             .driver   = "AC97",\
606             .property = "use_broken_id",\
607             .value    = stringify(1),\
608         }
609 
610 static QEMUMachine pc_machine_v0_13 = {
611     .name = "pc-0.13",
612     .desc = "Standard PC",
613     .init = pc_init_pci_no_kvmclock,
614     .max_cpus = 255,
615     .compat_props = (GlobalProperty[]) {
616         PC_COMPAT_0_13,
617         {
618             .driver   = "virtio-9p-pci",
619             .property = "vectors",
620             .value    = stringify(0),
621         },{
622             .driver   = "VGA",
623             .property = "rombar",
624             .value    = stringify(0),
625         },{
626             .driver   = "vmware-svga",
627             .property = "rombar",
628             .value    = stringify(0),
629         },
630         { /* end of list */ }
631     },
632     .hw_version = "0.13",
633     DEFAULT_MACHINE_OPTIONS,
634 };
635 
636 #define PC_COMPAT_0_12 \
637         PC_COMPAT_0_13,\
638         {\
639             .driver   = "virtio-serial-pci",\
640             .property = "max_ports",\
641             .value    = stringify(1),\
642         },{\
643             .driver   = "virtio-serial-pci",\
644             .property = "vectors",\
645             .value    = stringify(0),\
646         },{\
647             .driver   = "usb-mouse",\
648             .property = "serial",\
649             .value    = "1",\
650         },{\
651             .driver   = "usb-tablet",\
652             .property = "serial",\
653             .value    = "1",\
654         },{\
655             .driver   = "usb-kbd",\
656             .property = "serial",\
657             .value    = "1",\
658         }
659 
660 static QEMUMachine pc_machine_v0_12 = {
661     .name = "pc-0.12",
662     .desc = "Standard PC",
663     .init = pc_init_pci_no_kvmclock,
664     .max_cpus = 255,
665     .compat_props = (GlobalProperty[]) {
666         PC_COMPAT_0_12,
667         {
668             .driver   = "VGA",
669             .property = "rombar",
670             .value    = stringify(0),
671         },{
672             .driver   = "vmware-svga",
673             .property = "rombar",
674             .value    = stringify(0),
675         },
676         { /* end of list */ }
677     },
678     .hw_version = "0.12",
679     DEFAULT_MACHINE_OPTIONS,
680 };
681 
682 #define PC_COMPAT_0_11 \
683         PC_COMPAT_0_12,\
684         {\
685             .driver   = "virtio-blk-pci",\
686             .property = "vectors",\
687             .value    = stringify(0),\
688         },{\
689             .driver   = TYPE_PCI_DEVICE,\
690             .property = "rombar",\
691             .value    = stringify(0),\
692         }
693 
694 static QEMUMachine pc_machine_v0_11 = {
695     .name = "pc-0.11",
696     .desc = "Standard PC, qemu 0.11",
697     .init = pc_init_pci_no_kvmclock,
698     .max_cpus = 255,
699     .compat_props = (GlobalProperty[]) {
700         PC_COMPAT_0_11,
701         {
702             .driver   = "ide-drive",
703             .property = "ver",
704             .value    = "0.11",
705         },{
706             .driver   = "scsi-disk",
707             .property = "ver",
708             .value    = "0.11",
709         },
710         { /* end of list */ }
711     },
712     .hw_version = "0.11",
713     DEFAULT_MACHINE_OPTIONS,
714 };
715 
716 static QEMUMachine pc_machine_v0_10 = {
717     .name = "pc-0.10",
718     .desc = "Standard PC, qemu 0.10",
719     .init = pc_init_pci_no_kvmclock,
720     .max_cpus = 255,
721     .compat_props = (GlobalProperty[]) {
722         PC_COMPAT_0_11,
723         {
724             .driver   = "virtio-blk-pci",
725             .property = "class",
726             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
727         },{
728             .driver   = "virtio-serial-pci",
729             .property = "class",
730             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
731         },{
732             .driver   = "virtio-net-pci",
733             .property = "vectors",
734             .value    = stringify(0),
735         },{
736             .driver   = "ide-drive",
737             .property = "ver",
738             .value    = "0.10",
739         },{
740             .driver   = "scsi-disk",
741             .property = "ver",
742             .value    = "0.10",
743         },
744         { /* end of list */ }
745     },
746     .hw_version = "0.10",
747     DEFAULT_MACHINE_OPTIONS,
748 };
749 
750 static QEMUMachine isapc_machine = {
751     .name = "isapc",
752     .desc = "ISA-only PC",
753     .init = pc_init_isa,
754     .max_cpus = 1,
755     .compat_props = (GlobalProperty[]) {
756         {
757             .driver   = "pc-sysfw",
758             .property = "rom_only",
759             .value    = stringify(1),
760         },
761         {
762             .driver   = "pc-sysfw",
763             .property = "isapc_ram_fw",
764             .value    = stringify(1),
765         },
766         { /* end of list */ }
767     },
768     DEFAULT_MACHINE_OPTIONS,
769 };
770 
771 #ifdef CONFIG_XEN
772 static QEMUMachine xenfv_machine = {
773     .name = "xenfv",
774     .desc = "Xen Fully-virtualized PC",
775     .init = pc_xen_hvm_init,
776     .max_cpus = HVM_MAX_VCPUS,
777     .default_machine_opts = "accel=xen",
778     DEFAULT_MACHINE_OPTIONS,
779 };
780 #endif
781 
782 static void pc_machine_init(void)
783 {
784     qemu_register_machine(&pc_i440fx_machine_v1_6);
785     qemu_register_machine(&pc_i440fx_machine_v1_5);
786     qemu_register_machine(&pc_i440fx_machine_v1_4);
787     qemu_register_machine(&pc_machine_v1_3);
788     qemu_register_machine(&pc_machine_v1_2);
789     qemu_register_machine(&pc_machine_v1_1);
790     qemu_register_machine(&pc_machine_v1_0);
791     qemu_register_machine(&pc_machine_v0_15);
792     qemu_register_machine(&pc_machine_v0_14);
793     qemu_register_machine(&pc_machine_v0_13);
794     qemu_register_machine(&pc_machine_v0_12);
795     qemu_register_machine(&pc_machine_v0_11);
796     qemu_register_machine(&pc_machine_v0_10);
797     qemu_register_machine(&isapc_machine);
798 #ifdef CONFIG_XEN
799     qemu_register_machine(&xenfv_machine);
800 #endif
801 }
802 
803 machine_init(pc_machine_init);
804