xref: /openbmc/qemu/hw/i386/pc_piix.c (revision 0f20ba62c35e6a779ba4ea00616192ef2abb6896)
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/loader.h"
29 #include "hw/i386/pc.h"
30 #include "hw/i386/apic.h"
31 #include "hw/i386/smbios.h"
32 #include "hw/pci/pci.h"
33 #include "hw/pci/pci_ids.h"
34 #include "hw/usb.h"
35 #include "net/net.h"
36 #include "hw/boards.h"
37 #include "hw/ide.h"
38 #include "sysemu/kvm.h"
39 #include "hw/kvm/clock.h"
40 #include "sysemu/sysemu.h"
41 #include "hw/sysbus.h"
42 #include "hw/cpu/icc_bus.h"
43 #include "sysemu/arch_init.h"
44 #include "sysemu/blockdev.h"
45 #include "hw/i2c/smbus.h"
46 #include "hw/xen/xen.h"
47 #include "exec/memory.h"
48 #include "exec/address-spaces.h"
49 #include "hw/acpi/acpi.h"
50 #include "cpu.h"
51 #ifdef CONFIG_XEN
52 #  include <xen/hvm/hvm_info_table.h>
53 #endif
54 
55 #define MAX_IDE_BUS 2
56 
57 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
58 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
59 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
60 
61 static bool has_pci_info;
62 static bool has_acpi_build = true;
63 static bool smbios_type1_defaults = true;
64 /* Make sure that guest addresses aligned at 1Gbyte boundaries get mapped to
65  * host addresses aligned at 1Gbyte boundaries.  This way we can use 1GByte
66  * pages in the host.
67  */
68 static bool gigabyte_align = true;
69 
70 /* PC hardware initialisation */
71 static void pc_init1(QEMUMachineInitArgs *args,
72                      int pci_enabled,
73                      int kvmclock_enabled)
74 {
75     MemoryRegion *system_memory = get_system_memory();
76     MemoryRegion *system_io = get_system_io();
77     int i;
78     ram_addr_t below_4g_mem_size, above_4g_mem_size;
79     PCIBus *pci_bus;
80     ISABus *isa_bus;
81     PCII440FXState *i440fx_state;
82     int piix3_devfn = -1;
83     qemu_irq *cpu_irq;
84     qemu_irq *gsi;
85     qemu_irq *i8259;
86     qemu_irq *smi_irq;
87     GSIState *gsi_state;
88     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
89     BusState *idebus[MAX_IDE_BUS];
90     ISADevice *rtc_state;
91     ISADevice *floppy;
92     MemoryRegion *ram_memory;
93     MemoryRegion *pci_memory;
94     MemoryRegion *rom_memory;
95     DeviceState *icc_bridge;
96     FWCfgState *fw_cfg = NULL;
97     PcGuestInfo *guest_info;
98 
99     if (xen_enabled() && xen_hvm_init(&ram_memory) != 0) {
100         fprintf(stderr, "xen hardware virtual machine initialisation failed\n");
101         exit(1);
102     }
103 
104     icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
105     object_property_add_child(qdev_get_machine(), "icc-bridge",
106                               OBJECT(icc_bridge), NULL);
107 
108     pc_cpus_init(args->cpu_model, icc_bridge);
109 
110     if (kvm_enabled() && kvmclock_enabled) {
111         kvmclock_create();
112     }
113 
114     /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory).
115      * If it doesn't, we need to split it in chunks below and above 4G.
116      * In any case, try to make sure that guest addresses aligned at
117      * 1G boundaries get mapped to host addresses aligned at 1G boundaries.
118      * For old machine types, use whatever split we used historically to avoid
119      * breaking migration.
120      */
121     if (args->ram_size >= 0xe0000000) {
122         ram_addr_t lowmem = gigabyte_align ? 0xc0000000 : 0xe0000000;
123         above_4g_mem_size = args->ram_size - lowmem;
124         below_4g_mem_size = lowmem;
125     } else {
126         above_4g_mem_size = 0;
127         below_4g_mem_size = args->ram_size;
128     }
129 
130     if (pci_enabled) {
131         pci_memory = g_new(MemoryRegion, 1);
132         memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
133         rom_memory = pci_memory;
134     } else {
135         pci_memory = NULL;
136         rom_memory = system_memory;
137     }
138 
139     guest_info = pc_guest_info_init(below_4g_mem_size, above_4g_mem_size);
140 
141     guest_info->has_acpi_build = has_acpi_build;
142 
143     guest_info->has_pci_info = has_pci_info;
144     guest_info->isapc_ram_fw = !pci_enabled;
145 
146     if (smbios_type1_defaults) {
147         /* These values are guest ABI, do not change */
148         smbios_set_type1_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)",
149                                   args->machine->name);
150     }
151 
152     /* allocate ram and load rom/bios */
153     if (!xen_enabled()) {
154         fw_cfg = pc_memory_init(system_memory,
155                        args->kernel_filename, args->kernel_cmdline,
156                        args->initrd_filename,
157                        below_4g_mem_size, above_4g_mem_size,
158                        rom_memory, &ram_memory, guest_info);
159     }
160 
161     gsi_state = g_malloc0(sizeof(*gsi_state));
162     if (kvm_irqchip_in_kernel()) {
163         kvm_pc_setup_irq_routing(pci_enabled);
164         gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
165                                  GSI_NUM_PINS);
166     } else {
167         gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
168     }
169 
170     if (pci_enabled) {
171         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
172                               system_memory, system_io, args->ram_size,
173                               below_4g_mem_size,
174                               above_4g_mem_size,
175                               pci_memory, ram_memory);
176     } else {
177         pci_bus = NULL;
178         i440fx_state = NULL;
179         isa_bus = isa_bus_new(NULL, system_io);
180         no_hpet = 1;
181     }
182     isa_bus_irqs(isa_bus, gsi);
183 
184     if (kvm_irqchip_in_kernel()) {
185         i8259 = kvm_i8259_init(isa_bus);
186     } else if (xen_enabled()) {
187         i8259 = xen_interrupt_controller_init();
188     } else {
189         cpu_irq = pc_allocate_cpu_irq();
190         i8259 = i8259_init(isa_bus, cpu_irq[0]);
191     }
192 
193     for (i = 0; i < ISA_NUM_IRQS; i++) {
194         gsi_state->i8259_irq[i] = i8259[i];
195     }
196     if (pci_enabled) {
197         ioapic_init_gsi(gsi_state, "i440fx");
198     }
199     qdev_init_nofail(icc_bridge);
200 
201     pc_register_ferr_irq(gsi[13]);
202 
203     pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
204 
205     /* init basic PC hardware */
206     pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled(),
207         0x4);
208 
209     pc_nic_init(isa_bus, pci_bus);
210 
211     ide_drive_get(hd, MAX_IDE_BUS);
212     if (pci_enabled) {
213         PCIDevice *dev;
214         if (xen_enabled()) {
215             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
216         } else {
217             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
218         }
219         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
220         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
221     } else {
222         for(i = 0; i < MAX_IDE_BUS; i++) {
223             ISADevice *dev;
224             char busname[] = "ide.0";
225             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
226                                ide_irq[i],
227                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
228             /*
229              * The ide bus name is ide.0 for the first bus and ide.1 for the
230              * second one.
231              */
232             busname[4] = '0' + i;
233             idebus[i] = qdev_get_child_bus(DEVICE(dev), busname);
234         }
235     }
236 
237     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, args->boot_order,
238                  floppy, idebus[0], idebus[1], rtc_state);
239 
240     if (pci_enabled && usb_enabled(false)) {
241         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
242     }
243 
244     if (pci_enabled && acpi_enabled) {
245         I2CBus *smbus;
246 
247         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
248         /* TODO: Populate SPD eeprom data.  */
249         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
250                               gsi[9], *smi_irq,
251                               kvm_enabled(), fw_cfg);
252         smbus_eeprom_init(smbus, 8, NULL, 0);
253     }
254 
255     if (pci_enabled) {
256         pc_pci_device_init(pci_bus);
257     }
258 }
259 
260 static void pc_init_pci(QEMUMachineInitArgs *args)
261 {
262     pc_init1(args, 1, 1);
263 }
264 
265 static void pc_compat_1_7(QEMUMachineInitArgs *args)
266 {
267     smbios_type1_defaults = false;
268     gigabyte_align = false;
269 }
270 
271 static void pc_compat_1_6(QEMUMachineInitArgs *args)
272 {
273     pc_compat_1_7(args);
274     has_pci_info = false;
275     rom_file_in_ram = false;
276     has_acpi_build = false;
277 }
278 
279 static void pc_compat_1_5(QEMUMachineInitArgs *args)
280 {
281     pc_compat_1_6(args);
282 }
283 
284 static void pc_compat_1_4(QEMUMachineInitArgs *args)
285 {
286     pc_compat_1_5(args);
287     x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
288     x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0, CPUID_EXT_PCLMULQDQ);
289 }
290 
291 static void pc_compat_1_3(QEMUMachineInitArgs *args)
292 {
293     pc_compat_1_4(args);
294     enable_compat_apic_id_mode();
295 }
296 
297 /* PC compat function for pc-0.14 to pc-1.2 */
298 static void pc_compat_1_2(QEMUMachineInitArgs *args)
299 {
300     pc_compat_1_3(args);
301     disable_kvm_pv_eoi();
302 }
303 
304 static void pc_init_pci_1_7(QEMUMachineInitArgs *args)
305 {
306     pc_compat_1_7(args);
307     pc_init_pci(args);
308 }
309 
310 static void pc_init_pci_1_6(QEMUMachineInitArgs *args)
311 {
312     pc_compat_1_6(args);
313     pc_init_pci(args);
314 }
315 
316 static void pc_init_pci_1_5(QEMUMachineInitArgs *args)
317 {
318     pc_compat_1_5(args);
319     pc_init_pci(args);
320 }
321 
322 static void pc_init_pci_1_4(QEMUMachineInitArgs *args)
323 {
324     pc_compat_1_4(args);
325     pc_init_pci(args);
326 }
327 
328 static void pc_init_pci_1_3(QEMUMachineInitArgs *args)
329 {
330     pc_compat_1_3(args);
331     pc_init_pci(args);
332 }
333 
334 /* PC machine init function for pc-0.14 to pc-1.2 */
335 static void pc_init_pci_1_2(QEMUMachineInitArgs *args)
336 {
337     pc_compat_1_2(args);
338     pc_init_pci(args);
339 }
340 
341 /* PC init function for pc-0.10 to pc-0.13, and reused by xenfv */
342 static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args)
343 {
344     has_pci_info = false;
345     has_acpi_build = false;
346     smbios_type1_defaults = false;
347     disable_kvm_pv_eoi();
348     enable_compat_apic_id_mode();
349     pc_init1(args, 1, 0);
350 }
351 
352 static void pc_init_isa(QEMUMachineInitArgs *args)
353 {
354     has_pci_info = false;
355     has_acpi_build = false;
356     smbios_type1_defaults = false;
357     if (!args->cpu_model) {
358         args->cpu_model = "486";
359     }
360     disable_kvm_pv_eoi();
361     enable_compat_apic_id_mode();
362     pc_init1(args, 0, 1);
363 }
364 
365 #ifdef CONFIG_XEN
366 static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
367 {
368     PCIBus *bus;
369 
370     pc_init_pci(args);
371 
372     bus = pci_find_primary_bus();
373     if (bus != NULL) {
374         pci_create_simple(bus, -1, "xen-platform");
375     }
376 }
377 #endif
378 
379 #define PC_I440FX_MACHINE_OPTIONS \
380     PC_DEFAULT_MACHINE_OPTIONS, \
381     .desc = "Standard PC (i440FX + PIIX, 1996)", \
382     .hot_add_cpu = pc_hot_add_cpu
383 
384 #define PC_I440FX_2_0_MACHINE_OPTIONS                           \
385     PC_I440FX_MACHINE_OPTIONS,                                  \
386     .default_machine_opts = "firmware=bios-256k.bin"
387 
388 static QEMUMachine pc_i440fx_machine_v2_0 = {
389     PC_I440FX_2_0_MACHINE_OPTIONS,
390     .name = "pc-i440fx-2.0",
391     .alias = "pc",
392     .init = pc_init_pci,
393     .is_default = 1,
394 };
395 
396 #define PC_I440FX_1_7_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
397 
398 static QEMUMachine pc_i440fx_machine_v1_7 = {
399     PC_I440FX_1_7_MACHINE_OPTIONS,
400     .name = "pc-i440fx-1.7",
401     .init = pc_init_pci_1_7,
402     .compat_props = (GlobalProperty[]) {
403         PC_COMPAT_1_7,
404         { /* end of list */ }
405     },
406 };
407 
408 #define PC_I440FX_1_6_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
409 
410 static QEMUMachine pc_i440fx_machine_v1_6 = {
411     PC_I440FX_1_6_MACHINE_OPTIONS,
412     .name = "pc-i440fx-1.6",
413     .init = pc_init_pci_1_6,
414     .compat_props = (GlobalProperty[]) {
415         PC_COMPAT_1_6,
416         { /* end of list */ }
417     },
418 };
419 
420 static QEMUMachine pc_i440fx_machine_v1_5 = {
421     PC_I440FX_1_6_MACHINE_OPTIONS,
422     .name = "pc-i440fx-1.5",
423     .init = pc_init_pci_1_5,
424     .compat_props = (GlobalProperty[]) {
425         PC_COMPAT_1_5,
426         { /* end of list */ }
427     },
428 };
429 
430 #define PC_I440FX_1_4_MACHINE_OPTIONS \
431     PC_I440FX_1_6_MACHINE_OPTIONS, \
432     .hot_add_cpu = NULL
433 
434 static QEMUMachine pc_i440fx_machine_v1_4 = {
435     PC_I440FX_1_4_MACHINE_OPTIONS,
436     .name = "pc-i440fx-1.4",
437     .init = pc_init_pci_1_4,
438     .compat_props = (GlobalProperty[]) {
439         PC_COMPAT_1_4,
440         { /* end of list */ }
441     },
442 };
443 
444 #define PC_COMPAT_1_3 \
445 	PC_COMPAT_1_4, \
446         {\
447             .driver   = "usb-tablet",\
448             .property = "usb_version",\
449             .value    = stringify(1),\
450         },{\
451             .driver   = "virtio-net-pci",\
452             .property = "ctrl_mac_addr",\
453             .value    = "off",      \
454         },{ \
455             .driver   = "virtio-net-pci", \
456             .property = "mq", \
457             .value    = "off", \
458         }, {\
459             .driver   = "e1000",\
460             .property = "autonegotiation",\
461             .value    = "off",\
462         }
463 
464 static QEMUMachine pc_machine_v1_3 = {
465     PC_I440FX_1_4_MACHINE_OPTIONS,
466     .name = "pc-1.3",
467     .init = pc_init_pci_1_3,
468     .compat_props = (GlobalProperty[]) {
469         PC_COMPAT_1_3,
470         { /* end of list */ }
471     },
472 };
473 
474 #define PC_COMPAT_1_2 \
475         PC_COMPAT_1_3,\
476         {\
477             .driver   = "nec-usb-xhci",\
478             .property = "msi",\
479             .value    = "off",\
480         },{\
481             .driver   = "nec-usb-xhci",\
482             .property = "msix",\
483             .value    = "off",\
484         },{\
485             .driver   = "ivshmem",\
486             .property = "use64",\
487             .value    = "0",\
488         },{\
489             .driver   = "qxl",\
490             .property = "revision",\
491             .value    = stringify(3),\
492         },{\
493             .driver   = "qxl-vga",\
494             .property = "revision",\
495             .value    = stringify(3),\
496         },{\
497             .driver   = "VGA",\
498             .property = "mmio",\
499             .value    = "off",\
500         }
501 
502 #define PC_I440FX_1_2_MACHINE_OPTIONS \
503     PC_I440FX_1_4_MACHINE_OPTIONS, \
504     .init = pc_init_pci_1_2
505 
506 static QEMUMachine pc_machine_v1_2 = {
507     PC_I440FX_1_2_MACHINE_OPTIONS,
508     .name = "pc-1.2",
509     .compat_props = (GlobalProperty[]) {
510         PC_COMPAT_1_2,
511         { /* end of list */ }
512     },
513 };
514 
515 #define PC_COMPAT_1_1 \
516         PC_COMPAT_1_2,\
517         {\
518             .driver   = "virtio-scsi-pci",\
519             .property = "hotplug",\
520             .value    = "off",\
521         },{\
522             .driver   = "virtio-scsi-pci",\
523             .property = "param_change",\
524             .value    = "off",\
525         },{\
526             .driver   = "VGA",\
527             .property = "vgamem_mb",\
528             .value    = stringify(8),\
529         },{\
530             .driver   = "vmware-svga",\
531             .property = "vgamem_mb",\
532             .value    = stringify(8),\
533         },{\
534             .driver   = "qxl-vga",\
535             .property = "vgamem_mb",\
536             .value    = stringify(8),\
537         },{\
538             .driver   = "qxl",\
539             .property = "vgamem_mb",\
540             .value    = stringify(8),\
541         },{\
542             .driver   = "virtio-blk-pci",\
543             .property = "config-wce",\
544             .value    = "off",\
545         }
546 
547 static QEMUMachine pc_machine_v1_1 = {
548     PC_I440FX_1_2_MACHINE_OPTIONS,
549     .name = "pc-1.1",
550     .compat_props = (GlobalProperty[]) {
551         PC_COMPAT_1_1,
552         { /* end of list */ }
553     },
554 };
555 
556 #define PC_COMPAT_1_0 \
557         PC_COMPAT_1_1,\
558         {\
559             .driver   = TYPE_ISA_FDC,\
560             .property = "check_media_rate",\
561             .value    = "off",\
562         }, {\
563             .driver   = "virtio-balloon-pci",\
564             .property = "class",\
565             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
566         },{\
567             .driver   = "apic",\
568             .property = "vapic",\
569             .value    = "off",\
570         },{\
571             .driver   = TYPE_USB_DEVICE,\
572             .property = "full-path",\
573             .value    = "no",\
574         }
575 
576 static QEMUMachine pc_machine_v1_0 = {
577     PC_I440FX_1_2_MACHINE_OPTIONS,
578     .name = "pc-1.0",
579     .compat_props = (GlobalProperty[]) {
580         PC_COMPAT_1_0,
581         { /* end of list */ }
582     },
583     .hw_version = "1.0",
584 };
585 
586 #define PC_COMPAT_0_15 \
587         PC_COMPAT_1_0
588 
589 static QEMUMachine pc_machine_v0_15 = {
590     PC_I440FX_1_2_MACHINE_OPTIONS,
591     .name = "pc-0.15",
592     .compat_props = (GlobalProperty[]) {
593         PC_COMPAT_0_15,
594         { /* end of list */ }
595     },
596     .hw_version = "0.15",
597 };
598 
599 #define PC_COMPAT_0_14 \
600         PC_COMPAT_0_15,\
601         {\
602             .driver   = "virtio-blk-pci",\
603             .property = "event_idx",\
604             .value    = "off",\
605         },{\
606             .driver   = "virtio-serial-pci",\
607             .property = "event_idx",\
608             .value    = "off",\
609         },{\
610             .driver   = "virtio-net-pci",\
611             .property = "event_idx",\
612             .value    = "off",\
613         },{\
614             .driver   = "virtio-balloon-pci",\
615             .property = "event_idx",\
616             .value    = "off",\
617         }
618 
619 static QEMUMachine pc_machine_v0_14 = {
620     PC_I440FX_1_2_MACHINE_OPTIONS,
621     .name = "pc-0.14",
622     .compat_props = (GlobalProperty[]) {
623         PC_COMPAT_0_14,
624         {
625             .driver   = "qxl",
626             .property = "revision",
627             .value    = stringify(2),
628         },{
629             .driver   = "qxl-vga",
630             .property = "revision",
631             .value    = stringify(2),
632         },
633         { /* end of list */ }
634     },
635     .hw_version = "0.14",
636 };
637 
638 #define PC_COMPAT_0_13 \
639         PC_COMPAT_0_14,\
640         {\
641             .driver   = TYPE_PCI_DEVICE,\
642             .property = "command_serr_enable",\
643             .value    = "off",\
644         },{\
645             .driver   = "AC97",\
646             .property = "use_broken_id",\
647             .value    = stringify(1),\
648         }
649 
650 #define PC_I440FX_0_13_MACHINE_OPTIONS \
651     PC_I440FX_1_2_MACHINE_OPTIONS, \
652     .init = pc_init_pci_no_kvmclock
653 
654 static QEMUMachine pc_machine_v0_13 = {
655     PC_I440FX_0_13_MACHINE_OPTIONS,
656     .name = "pc-0.13",
657     .compat_props = (GlobalProperty[]) {
658         PC_COMPAT_0_13,
659         {
660             .driver   = "virtio-9p-pci",
661             .property = "vectors",
662             .value    = stringify(0),
663         },{
664             .driver   = "VGA",
665             .property = "rombar",
666             .value    = stringify(0),
667         },{
668             .driver   = "vmware-svga",
669             .property = "rombar",
670             .value    = stringify(0),
671         },
672         { /* end of list */ }
673     },
674     .hw_version = "0.13",
675 };
676 
677 #define PC_COMPAT_0_12 \
678         PC_COMPAT_0_13,\
679         {\
680             .driver   = "virtio-serial-pci",\
681             .property = "max_ports",\
682             .value    = stringify(1),\
683         },{\
684             .driver   = "virtio-serial-pci",\
685             .property = "vectors",\
686             .value    = stringify(0),\
687         },{\
688             .driver   = "usb-mouse",\
689             .property = "serial",\
690             .value    = "1",\
691         },{\
692             .driver   = "usb-tablet",\
693             .property = "serial",\
694             .value    = "1",\
695         },{\
696             .driver   = "usb-kbd",\
697             .property = "serial",\
698             .value    = "1",\
699         }
700 
701 static QEMUMachine pc_machine_v0_12 = {
702     PC_I440FX_0_13_MACHINE_OPTIONS,
703     .name = "pc-0.12",
704     .compat_props = (GlobalProperty[]) {
705         PC_COMPAT_0_12,
706         {
707             .driver   = "VGA",
708             .property = "rombar",
709             .value    = stringify(0),
710         },{
711             .driver   = "vmware-svga",
712             .property = "rombar",
713             .value    = stringify(0),
714         },
715         { /* end of list */ }
716     },
717     .hw_version = "0.12",
718 };
719 
720 #define PC_COMPAT_0_11 \
721         PC_COMPAT_0_12,\
722         {\
723             .driver   = "virtio-blk-pci",\
724             .property = "vectors",\
725             .value    = stringify(0),\
726         },{\
727             .driver   = TYPE_PCI_DEVICE,\
728             .property = "rombar",\
729             .value    = stringify(0),\
730         }
731 
732 static QEMUMachine pc_machine_v0_11 = {
733     PC_I440FX_0_13_MACHINE_OPTIONS,
734     .name = "pc-0.11",
735     .compat_props = (GlobalProperty[]) {
736         PC_COMPAT_0_11,
737         {
738             .driver   = "ide-drive",
739             .property = "ver",
740             .value    = "0.11",
741         },{
742             .driver   = "scsi-disk",
743             .property = "ver",
744             .value    = "0.11",
745         },
746         { /* end of list */ }
747     },
748     .hw_version = "0.11",
749 };
750 
751 static QEMUMachine pc_machine_v0_10 = {
752     PC_I440FX_0_13_MACHINE_OPTIONS,
753     .name = "pc-0.10",
754     .compat_props = (GlobalProperty[]) {
755         PC_COMPAT_0_11,
756         {
757             .driver   = "virtio-blk-pci",
758             .property = "class",
759             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
760         },{
761             .driver   = "virtio-serial-pci",
762             .property = "class",
763             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
764         },{
765             .driver   = "virtio-net-pci",
766             .property = "vectors",
767             .value    = stringify(0),
768         },{
769             .driver   = "ide-drive",
770             .property = "ver",
771             .value    = "0.10",
772         },{
773             .driver   = "scsi-disk",
774             .property = "ver",
775             .value    = "0.10",
776         },
777         { /* end of list */ }
778     },
779     .hw_version = "0.10",
780 };
781 
782 static QEMUMachine isapc_machine = {
783     PC_COMMON_MACHINE_OPTIONS,
784     .name = "isapc",
785     .desc = "ISA-only PC",
786     .init = pc_init_isa,
787     .max_cpus = 1,
788     .compat_props = (GlobalProperty[]) {
789         { /* end of list */ }
790     },
791 };
792 
793 #ifdef CONFIG_XEN
794 static QEMUMachine xenfv_machine = {
795     PC_COMMON_MACHINE_OPTIONS,
796     .name = "xenfv",
797     .desc = "Xen Fully-virtualized PC",
798     .init = pc_xen_hvm_init,
799     .max_cpus = HVM_MAX_VCPUS,
800     .default_machine_opts = "accel=xen",
801     .hot_add_cpu = pc_hot_add_cpu,
802     .compat_props = (GlobalProperty[]) {
803         /* xenfv has no fwcfg and so does not load acpi from QEMU.
804          * as such new acpi features don't work.
805          */
806         {
807             .driver   = "PIIX4_PM",
808             .property = "acpi-pci-hotplug-with-bridge-support",
809             .value    = "off",
810         },
811         { /* end of list */ }
812     },
813 };
814 #endif
815 
816 static void pc_machine_init(void)
817 {
818     qemu_register_machine(&pc_i440fx_machine_v2_0);
819     qemu_register_machine(&pc_i440fx_machine_v1_7);
820     qemu_register_machine(&pc_i440fx_machine_v1_6);
821     qemu_register_machine(&pc_i440fx_machine_v1_5);
822     qemu_register_machine(&pc_i440fx_machine_v1_4);
823     qemu_register_machine(&pc_machine_v1_3);
824     qemu_register_machine(&pc_machine_v1_2);
825     qemu_register_machine(&pc_machine_v1_1);
826     qemu_register_machine(&pc_machine_v1_0);
827     qemu_register_machine(&pc_machine_v0_15);
828     qemu_register_machine(&pc_machine_v0_14);
829     qemu_register_machine(&pc_machine_v0_13);
830     qemu_register_machine(&pc_machine_v0_12);
831     qemu_register_machine(&pc_machine_v0_11);
832     qemu_register_machine(&pc_machine_v0_10);
833     qemu_register_machine(&isapc_machine);
834 #ifdef CONFIG_XEN
835     qemu_register_machine(&xenfv_machine);
836 #endif
837 }
838 
839 machine_init(pc_machine_init);
840