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