hw/pc_piix.c

   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.h"
  28 #include "pc.h"
  29 #include "apic.h"
  30 #include "pci.h"
  31 #include "net.h"
  32 #include "boards.h"
  33 #include "ide.h"
  34 #include "kvm.h"
  35 #include "kvm/clock.h"
  36 #include "sysemu.h"
  37 #include "sysbus.h"
  38 #include "arch_init.h"
  39 #include "blockdev.h"
  40 #include "smbus.h"
  41 #include "xen.h"
  42 #include "memory.h"
  43 #include "exec-memory.h"
  44 #ifdef CONFIG_XEN
  45 #  include <xen/hvm/hvm_info_table.h>
  46 #endif
  47
  48 #define MAX_IDE_BUS 2
  49
  50 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
  51 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
  52 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
  53
  54 static void kvm_piix3_setup_irq_routing(bool pci_enabled)
  55 {
  56 #ifdef CONFIG_KVM
  57     KVMState *s = kvm_state;
  58     int ret, i;
  59
  60     if (kvm_check_extension(s, KVM_CAP_IRQ_ROUTING)) {
  61         for (i = 0; i < 8; ++i) {
  62             if (i == 2) {
  63                 continue;
  64             }
  65             kvm_irqchip_add_route(s, i, KVM_IRQCHIP_PIC_MASTER, i);
  66         }
  67         for (i = 8; i < 16; ++i) {
  68             kvm_irqchip_add_route(s, i, KVM_IRQCHIP_PIC_SLAVE, i - 8);
  69         }
  70         if (pci_enabled) {
  71             for (i = 0; i < 24; ++i) {
  72                 if (i == 0) {
  73                     kvm_irqchip_add_route(s, i, KVM_IRQCHIP_IOAPIC, 2);
  74                 } else if (i != 2) {
  75                     kvm_irqchip_add_route(s, i, KVM_IRQCHIP_IOAPIC, i);
  76                 }
  77             }
  78         }
  79         ret = kvm_irqchip_commit_routes(s);
  80         if (ret < 0) {
  81             hw_error("KVM IRQ routing setup failed");
  82         }
  83     }
  84 #endif /* CONFIG_KVM */
  85 }
  86
  87 static void kvm_piix3_gsi_handler(void *opaque, int n, int level)
  88 {
  89     GSIState *s = opaque;
  90
  91     if (n < ISA_NUM_IRQS) {
  92         /* Kernel will forward to both PIC and IOAPIC */
  93         qemu_set_irq(s->i8259_irq[n], level);
  94     } else {
  95         qemu_set_irq(s->ioapic_irq[n], level);
  96     }
  97 }
  98
  99 static void ioapic_init(GSIState *gsi_state)
 100 {
 101     DeviceState *dev;
 102     SysBusDevice *d;
 103     unsigned int i;
 104
 105     if (kvm_irqchip_in_kernel()) {
 106         dev = qdev_create(NULL, "kvm-ioapic");
 107     } else {
 108         dev = qdev_create(NULL, "ioapic");
 109     }
 110     /* FIXME: this should be under the piix3.  */
 111     object_property_add_child(object_resolve_path("i440fx", NULL),
 112                               "ioapic", OBJECT(dev), NULL);
 113     qdev_init_nofail(dev);
 114     d = sysbus_from_qdev(dev);
 115     sysbus_mmio_map(d, 0, 0xfec00000);
 116
 117     for (i = 0; i < IOAPIC_NUM_PINS; i++) {
 118         gsi_state->ioapic_irq[i] = qdev_get_gpio_in(dev, i);
 119     }
 120 }
 121
 122 /* PC hardware initialisation */
 123 static void pc_init1(MemoryRegion *system_memory,
 124                      MemoryRegion *system_io,
 125                      ram_addr_t ram_size,
 126                      const char *boot_device,
 127                      const char *kernel_filename,
 128                      const char *kernel_cmdline,
 129                      const char *initrd_filename,
 130                      const char *cpu_model,
 131                      int pci_enabled,
 132                      int kvmclock_enabled)
 133 {
 134     int i;
 135     ram_addr_t below_4g_mem_size, above_4g_mem_size;
 136     PCIBus *pci_bus;
 137     ISABus *isa_bus;
 138     PCII440FXState *i440fx_state;
 139     int piix3_devfn = -1;
 140     qemu_irq *cpu_irq;
 141     qemu_irq *gsi;
 142     qemu_irq *i8259;
 143     qemu_irq *smi_irq;
 144     GSIState *gsi_state;
 145     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
 146     BusState *idebus[MAX_IDE_BUS];
 147     ISADevice *rtc_state;
 148     ISADevice *floppy;
 149     MemoryRegion *ram_memory;
 150     MemoryRegion *pci_memory;
 151     MemoryRegion *rom_memory;
 152     DeviceState *dev;
 153
 154     pc_cpus_init(cpu_model);
 155
 156     if (kvmclock_enabled) {
 157         kvmclock_create();
 158     }
 159
 160     if (ram_size >= 0xe0000000 ) {
 161         above_4g_mem_size = ram_size - 0xe0000000;
 162         below_4g_mem_size = 0xe0000000;
 163     } else {
 164         above_4g_mem_size = 0;
 165         below_4g_mem_size = ram_size;
 166     }
 167
 168     if (pci_enabled) {
 169         pci_memory = g_new(MemoryRegion, 1);
 170         memory_region_init(pci_memory, "pci", INT64_MAX);
 171         rom_memory = pci_memory;
 172     } else {
 173         pci_memory = NULL;
 174         rom_memory = system_memory;
 175     }
 176
 177     /* allocate ram and load rom/bios */
 178     if (!xen_enabled()) {
 179         pc_memory_init(system_memory,
 180                        kernel_filename, kernel_cmdline, initrd_filename,
 181                        below_4g_mem_size, above_4g_mem_size,
 182                        pci_enabled ? rom_memory : system_memory, &ram_memory);
 183     }
 184
 185     gsi_state = g_malloc0(sizeof(*gsi_state));
 186     if (kvm_irqchip_in_kernel()) {
 187         kvm_piix3_setup_irq_routing(pci_enabled);
 188         gsi = qemu_allocate_irqs(kvm_piix3_gsi_handler, gsi_state,
 189                                  GSI_NUM_PINS);
 190     } else {
 191         gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
 192     }
 193
 194     if (pci_enabled) {
 195         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
 196                               system_memory, system_io, ram_size,
 197                               below_4g_mem_size,
 198                               0x100000000ULL - below_4g_mem_size,
 199                               0x100000000ULL + above_4g_mem_size,
 200                               (sizeof(target_phys_addr_t) == 4
 201                                ? 0
 202                                : ((uint64_t)1 << 62)),
 203                               pci_memory, ram_memory);
 204     } else {
 205         pci_bus = NULL;
 206         i440fx_state = NULL;
 207         isa_bus = isa_bus_new(NULL, system_io);
 208         no_hpet = 1;
 209     }
 210     isa_bus_irqs(isa_bus, gsi);
 211
 212     if (kvm_irqchip_in_kernel()) {
 213         i8259 = kvm_i8259_init(isa_bus);
 214     } else if (xen_enabled()) {
 215         i8259 = xen_interrupt_controller_init();
 216     } else {
 217         cpu_irq = pc_allocate_cpu_irq();
 218         i8259 = i8259_init(isa_bus, cpu_irq[0]);
 219     }
 220
 221     for (i = 0; i < ISA_NUM_IRQS; i++) {
 222         gsi_state->i8259_irq[i] = i8259[i];
 223     }
 224     if (pci_enabled) {
 225         ioapic_init(gsi_state);
 226     }
 227
 228     pc_register_ferr_irq(gsi[13]);
 229
 230     dev = pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
 231     if (dev) {
 232         object_property_add_child(object_get_root(), "vga", OBJECT(dev), NULL);
 233     }
 234
 235     if (xen_enabled()) {
 236         pci_create_simple(pci_bus, -1, "xen-platform");
 237     }
 238
 239     /* init basic PC hardware */
 240     pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled());
 241
 242     for(i = 0; i < nb_nics; i++) {
 243         NICInfo *nd = &nd_table[i];
 244
 245         if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
 246             pc_init_ne2k_isa(isa_bus, nd);
 247         else
 248             pci_nic_init_nofail(nd, "e1000", NULL);
 249     }
 250
 251     ide_drive_get(hd, MAX_IDE_BUS);
 252     if (pci_enabled) {
 253         PCIDevice *dev;
 254         if (xen_enabled()) {
 255             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
 256         } else {
 257             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
 258         }
 259         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
 260         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
 261
 262         /* FIXME there's some major spaghetti here.  Somehow we create the
 263          * devices on the PIIX before we actually create it.  We create the
 264          * PIIX3 deep in the recess of the i440fx creation too and then lose
 265          * the DeviceState.
 266          *
 267          * For now, let's "fix" this by making judicious use of paths.  This
 268          * is not generally the right way to do this.
 269          */
 270         object_property_add_child(object_resolve_path("/i440fx/piix3", NULL),
 271                                   "rtc", (Object *)rtc_state, NULL);
 272     } else {
 273         for(i = 0; i < MAX_IDE_BUS; i++) {
 274             ISADevice *dev;
 275             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
 276                                ide_irq[i],
 277                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
 278             idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
 279         }
 280     }
 281
 282     audio_init(isa_bus, pci_enabled ? pci_bus : NULL);
 283
 284     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
 285                  floppy, idebus[0], idebus[1], rtc_state);
 286
 287     if (pci_enabled && usb_enabled) {
 288         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
 289     }
 290
 291     if (pci_enabled && acpi_enabled) {
 292         i2c_bus *smbus;
 293
 294         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
 295         /* TODO: Populate SPD eeprom data.  */
 296         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
 297                               gsi[9], *smi_irq,
 298                               kvm_enabled());
 299         smbus_eeprom_init(smbus, 8, NULL, 0);
 300     }
 301
 302     if (pci_enabled) {
 303         pc_pci_device_init(pci_bus);
 304     }
 305 }
 306
 307 static void pc_init_pci(ram_addr_t ram_size,
 308                         const char *boot_device,
 309                         const char *kernel_filename,
 310                         const char *kernel_cmdline,
 311                         const char *initrd_filename,
 312                         const char *cpu_model)
 313 {
 314     pc_init1(get_system_memory(),
 315              get_system_io(),
 316              ram_size, boot_device,
 317              kernel_filename, kernel_cmdline,
 318              initrd_filename, cpu_model, 1, 1);
 319 }
 320
 321 static void pc_init_pci_no_kvmclock(ram_addr_t ram_size,
 322                                     const char *boot_device,
 323                                     const char *kernel_filename,
 324                                     const char *kernel_cmdline,
 325                                     const char *initrd_filename,
 326                                     const char *cpu_model)
 327 {
 328     pc_init1(get_system_memory(),
 329              get_system_io(),
 330              ram_size, boot_device,
 331              kernel_filename, kernel_cmdline,
 332              initrd_filename, cpu_model, 1, 0);
 333 }
 334
 335 static void pc_init_isa(ram_addr_t ram_size,
 336                         const char *boot_device,
 337                         const char *kernel_filename,
 338                         const char *kernel_cmdline,
 339                         const char *initrd_filename,
 340                         const char *cpu_model)
 341 {
 342     if (cpu_model == NULL)
 343         cpu_model = "486";
 344     pc_init1(get_system_memory(),
 345              get_system_io(),
 346              ram_size, boot_device,
 347              kernel_filename, kernel_cmdline,
 348              initrd_filename, cpu_model, 0, 1);
 349 }
 350
 351 #ifdef CONFIG_XEN
 352 static void pc_xen_hvm_init(ram_addr_t ram_size,
 353                             const char *boot_device,
 354                             const char *kernel_filename,
 355                             const char *kernel_cmdline,
 356                             const char *initrd_filename,
 357                             const char *cpu_model)
 358 {
 359     if (xen_hvm_init() != 0) {
 360         hw_error("xen hardware virtual machine initialisation failed");
 361     }
 362     pc_init_pci_no_kvmclock(ram_size, boot_device,
 363                             kernel_filename, kernel_cmdline,
 364                             initrd_filename, cpu_model);
 365     xen_vcpu_init();
 366 }
 367 #endif
 368
 369 static QEMUMachine pc_machine_v1_1 = {
 370     .name = "pc-1.1",
 371     .alias = "pc",
 372     .desc = "Standard PC",
 373     .init = pc_init_pci,
 374     .max_cpus = 255,
 375     .is_default = 1,
 376 };
 377
 378 static QEMUMachine pc_machine_v1_0 = {
 379     .name = "pc-1.0",
 380     .desc = "Standard PC",
 381     .init = pc_init_pci,
 382     .max_cpus = 255,
 383     .compat_props = (GlobalProperty[]) {
 384         {
 385             .driver   = "pc-sysfw",
 386             .property = "rom_only",
 387             .value    = stringify(1),
 388         }, {
 389             .driver   = "isa-fdc",
 390             .property = "check_media_rate",
 391             .value    = "off",
 392         },
 393         { /* end of list */ }
 394     },
 395 };
 396
 397 static QEMUMachine pc_machine_v0_15 = {
 398     .name = "pc-0.15",
 399     .desc = "Standard PC",
 400     .init = pc_init_pci,
 401     .max_cpus = 255,
 402     .compat_props = (GlobalProperty[]) {
 403         {
 404             .driver   = "pc-sysfw",
 405             .property = "rom_only",
 406             .value    = stringify(1),
 407         }, {
 408             .driver   = "isa-fdc",
 409             .property = "check_media_rate",
 410             .value    = "off",
 411         },
 412         { /* end of list */ }
 413     },
 414 };
 415
 416 static QEMUMachine pc_machine_v0_14 = {
 417     .name = "pc-0.14",
 418     .desc = "Standard PC",
 419     .init = pc_init_pci,
 420     .max_cpus = 255,
 421     .compat_props = (GlobalProperty[]) {
 422         {
 423             .driver   = "qxl",
 424             .property = "revision",
 425             .value    = stringify(2),
 426         },{
 427             .driver   = "qxl-vga",
 428             .property = "revision",
 429             .value    = stringify(2),
 430         },{
 431             .driver   = "virtio-blk-pci",
 432             .property = "event_idx",
 433             .value    = "off",
 434         },{
 435             .driver   = "virtio-serial-pci",
 436             .property = "event_idx",
 437             .value    = "off",
 438         },{
 439             .driver   = "virtio-net-pci",
 440             .property = "event_idx",
 441             .value    = "off",
 442         },{
 443             .driver   = "virtio-balloon-pci",
 444             .property = "event_idx",
 445             .value    = "off",
 446         },{
 447             .driver   = "isa-fdc",
 448             .property = "check_media_rate",
 449             .value    = "off",
 450         },
 451         {
 452             .driver   = "pc-sysfw",
 453             .property = "rom_only",
 454             .value    = stringify(1),
 455         },
 456         { /* end of list */ }
 457     },
 458 };
 459
 460 static QEMUMachine pc_machine_v0_13 = {
 461     .name = "pc-0.13",
 462     .desc = "Standard PC",
 463     .init = pc_init_pci_no_kvmclock,
 464     .max_cpus = 255,
 465     .compat_props = (GlobalProperty[]) {
 466         {
 467             .driver   = "virtio-9p-pci",
 468             .property = "vectors",
 469             .value    = stringify(0),
 470         },{
 471             .driver   = "VGA",
 472             .property = "rombar",
 473             .value    = stringify(0),
 474         },{
 475             .driver   = "vmware-svga",
 476             .property = "rombar",
 477             .value    = stringify(0),
 478         },{
 479             .driver   = "PCI",
 480             .property = "command_serr_enable",
 481             .value    = "off",
 482         },{
 483             .driver   = "virtio-blk-pci",
 484             .property = "event_idx",
 485             .value    = "off",
 486         },{
 487             .driver   = "virtio-serial-pci",
 488             .property = "event_idx",
 489             .value    = "off",
 490         },{
 491             .driver   = "virtio-net-pci",
 492             .property = "event_idx",
 493             .value    = "off",
 494         },{
 495             .driver   = "virtio-balloon-pci",
 496             .property = "event_idx",
 497             .value    = "off",
 498         },{
 499             .driver   = "AC97",
 500             .property = "use_broken_id",
 501             .value    = stringify(1),
 502         },{
 503             .driver   = "isa-fdc",
 504             .property = "check_media_rate",
 505             .value    = "off",
 506         },
 507         {
 508             .driver   = "pc-sysfw",
 509             .property = "rom_only",
 510             .value    = stringify(1),
 511         },
 512         { /* end of list */ }
 513     },
 514 };
 515
 516 static QEMUMachine pc_machine_v0_12 = {
 517     .name = "pc-0.12",
 518     .desc = "Standard PC",
 519     .init = pc_init_pci_no_kvmclock,
 520     .max_cpus = 255,
 521     .compat_props = (GlobalProperty[]) {
 522         {
 523             .driver   = "virtio-serial-pci",
 524             .property = "max_ports",
 525             .value    = stringify(1),
 526         },{
 527             .driver   = "virtio-serial-pci",
 528             .property = "vectors",
 529             .value    = stringify(0),
 530         },{
 531             .driver   = "VGA",
 532             .property = "rombar",
 533             .value    = stringify(0),
 534         },{
 535             .driver   = "vmware-svga",
 536             .property = "rombar",
 537             .value    = stringify(0),
 538         },{
 539             .driver   = "PCI",
 540             .property = "command_serr_enable",
 541             .value    = "off",
 542         },{
 543             .driver   = "virtio-blk-pci",
 544             .property = "event_idx",
 545             .value    = "off",
 546         },{
 547             .driver   = "virtio-serial-pci",
 548             .property = "event_idx",
 549             .value    = "off",
 550         },{
 551             .driver   = "virtio-net-pci",
 552             .property = "event_idx",
 553             .value    = "off",
 554         },{
 555             .driver   = "virtio-balloon-pci",
 556             .property = "event_idx",
 557             .value    = "off",
 558         },{
 559             .driver   = "AC97",
 560             .property = "use_broken_id",
 561             .value    = stringify(1),
 562         },{
 563             .driver   = "isa-fdc",
 564             .property = "check_media_rate",
 565             .value    = "off",
 566         },
 567         {
 568             .driver   = "pc-sysfw",
 569             .property = "rom_only",
 570             .value    = stringify(1),
 571         },
 572         { /* end of list */ }
 573     }
 574 };
 575
 576 static QEMUMachine pc_machine_v0_11 = {
 577     .name = "pc-0.11",
 578     .desc = "Standard PC, qemu 0.11",
 579     .init = pc_init_pci_no_kvmclock,
 580     .max_cpus = 255,
 581     .compat_props = (GlobalProperty[]) {
 582         {
 583             .driver   = "virtio-blk-pci",
 584             .property = "vectors",
 585             .value    = stringify(0),
 586         },{
 587             .driver   = "virtio-serial-pci",
 588             .property = "max_ports",
 589             .value    = stringify(1),
 590         },{
 591             .driver   = "virtio-serial-pci",
 592             .property = "vectors",
 593             .value    = stringify(0),
 594         },{
 595             .driver   = "ide-drive",
 596             .property = "ver",
 597             .value    = "0.11",
 598         },{
 599             .driver   = "scsi-disk",
 600             .property = "ver",
 601             .value    = "0.11",
 602         },{
 603             .driver   = "PCI",
 604             .property = "rombar",
 605             .value    = stringify(0),
 606         },{
 607             .driver   = "PCI",
 608             .property = "command_serr_enable",
 609             .value    = "off",
 610         },{
 611             .driver   = "virtio-blk-pci",
 612             .property = "event_idx",
 613             .value    = "off",
 614         },{
 615             .driver   = "virtio-serial-pci",
 616             .property = "event_idx",
 617             .value    = "off",
 618         },{
 619             .driver   = "virtio-net-pci",
 620             .property = "event_idx",
 621             .value    = "off",
 622         },{
 623             .driver   = "virtio-balloon-pci",
 624             .property = "event_idx",
 625             .value    = "off",
 626         },{
 627             .driver   = "AC97",
 628             .property = "use_broken_id",
 629             .value    = stringify(1),
 630         },{
 631             .driver   = "isa-fdc",
 632             .property = "check_media_rate",
 633             .value    = "off",
 634         },
 635         {
 636             .driver   = "pc-sysfw",
 637             .property = "rom_only",
 638             .value    = stringify(1),
 639         },
 640         { /* end of list */ }
 641     }
 642 };
 643
 644 static QEMUMachine pc_machine_v0_10 = {
 645     .name = "pc-0.10",
 646     .desc = "Standard PC, qemu 0.10",
 647     .init = pc_init_pci_no_kvmclock,
 648     .max_cpus = 255,
 649     .compat_props = (GlobalProperty[]) {
 650         {
 651             .driver   = "virtio-blk-pci",
 652             .property = "class",
 653             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
 654         },{
 655             .driver   = "virtio-serial-pci",
 656             .property = "class",
 657             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
 658         },{
 659             .driver   = "virtio-serial-pci",
 660             .property = "max_ports",
 661             .value    = stringify(1),
 662         },{
 663             .driver   = "virtio-serial-pci",
 664             .property = "vectors",
 665             .value    = stringify(0),
 666         },{
 667             .driver   = "virtio-net-pci",
 668             .property = "vectors",
 669             .value    = stringify(0),
 670         },{
 671             .driver   = "virtio-blk-pci",
 672             .property = "vectors",
 673             .value    = stringify(0),
 674         },{
 675             .driver   = "ide-drive",
 676             .property = "ver",
 677             .value    = "0.10",
 678         },{
 679             .driver   = "scsi-disk",
 680             .property = "ver",
 681             .value    = "0.10",
 682         },{
 683             .driver   = "PCI",
 684             .property = "rombar",
 685             .value    = stringify(0),
 686         },{
 687             .driver   = "PCI",
 688             .property = "command_serr_enable",
 689             .value    = "off",
 690         },{
 691             .driver   = "virtio-blk-pci",
 692             .property = "event_idx",
 693             .value    = "off",
 694         },{
 695             .driver   = "virtio-serial-pci",
 696             .property = "event_idx",
 697             .value    = "off",
 698         },{
 699             .driver   = "virtio-net-pci",
 700             .property = "event_idx",
 701             .value    = "off",
 702         },{
 703             .driver   = "virtio-balloon-pci",
 704             .property = "event_idx",
 705             .value    = "off",
 706         },{
 707             .driver   = "AC97",
 708             .property = "use_broken_id",
 709             .value    = stringify(1),
 710         },{
 711             .driver   = "isa-fdc",
 712             .property = "check_media_rate",
 713             .value    = "off",
 714         },
 715         {
 716             .driver   = "pc-sysfw",
 717             .property = "rom_only",
 718             .value    = stringify(1),
 719         },
 720         { /* end of list */ }
 721     },
 722 };
 723
 724 static QEMUMachine isapc_machine = {
 725     .name = "isapc",
 726     .desc = "ISA-only PC",
 727     .init = pc_init_isa,
 728     .max_cpus = 1,
 729     .compat_props = (GlobalProperty[]) {
 730         {
 731             .driver   = "pc-sysfw",
 732             .property = "rom_only",
 733             .value    = stringify(1),
 734         },
 735         { /* end of list */ }
 736     },
 737 };
 738
 739 #ifdef CONFIG_XEN
 740 static QEMUMachine xenfv_machine = {
 741     .name = "xenfv",
 742     .desc = "Xen Fully-virtualized PC",
 743     .init = pc_xen_hvm_init,
 744     .max_cpus = HVM_MAX_VCPUS,
 745     .default_machine_opts = "accel=xen",
 746 };
 747 #endif
 748
 749 static void pc_machine_init(void)
 750 {
 751     qemu_register_machine(&pc_machine_v1_1);
 752     qemu_register_machine(&pc_machine_v1_0);
 753     qemu_register_machine(&pc_machine_v0_15);
 754     qemu_register_machine(&pc_machine_v0_14);
 755     qemu_register_machine(&pc_machine_v0_13);
 756     qemu_register_machine(&pc_machine_v0_12);
 757     qemu_register_machine(&pc_machine_v0_11);
 758     qemu_register_machine(&pc_machine_v0_10);
 759     qemu_register_machine(&isapc_machine);
 760 #ifdef CONFIG_XEN
 761     qemu_register_machine(&xenfv_machine);
 762 #endif
 763 }
 764
 765 machine_init(pc_machine_init);