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
 153     pc_cpus_init(cpu_model);
 154
 155     if (kvmclock_enabled) {
 156         kvmclock_create();
 157     }
 158
 159     if (ram_size >= 0xe0000000 ) {
 160         above_4g_mem_size = ram_size - 0xe0000000;
 161         below_4g_mem_size = 0xe0000000;
 162     } else {
 163         above_4g_mem_size = 0;
 164         below_4g_mem_size = ram_size;
 165     }
 166
 167     if (pci_enabled) {
 168         pci_memory = g_new(MemoryRegion, 1);
 169         memory_region_init(pci_memory, "pci", INT64_MAX);
 170         rom_memory = pci_memory;
 171     } else {
 172         pci_memory = NULL;
 173         rom_memory = system_memory;
 174     }
 175
 176     /* allocate ram and load rom/bios */
 177     if (!xen_enabled()) {
 178         pc_memory_init(system_memory,
 179                        kernel_filename, kernel_cmdline, initrd_filename,
 180                        below_4g_mem_size, above_4g_mem_size,
 181                        pci_enabled ? rom_memory : system_memory, &ram_memory);
 182     }
 183
 184     gsi_state = g_malloc0(sizeof(*gsi_state));
 185     if (kvm_irqchip_in_kernel()) {
 186         kvm_piix3_setup_irq_routing(pci_enabled);
 187         gsi = qemu_allocate_irqs(kvm_piix3_gsi_handler, gsi_state,
 188                                  GSI_NUM_PINS);
 189     } else {
 190         gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
 191     }
 192
 193     if (pci_enabled) {
 194         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
 195                               system_memory, system_io, ram_size,
 196                               below_4g_mem_size,
 197                               0x100000000ULL - below_4g_mem_size,
 198                               0x100000000ULL + above_4g_mem_size,
 199                               (sizeof(target_phys_addr_t) == 4
 200                                ? 0
 201                                : ((uint64_t)1 << 62)),
 202                               pci_memory, ram_memory);
 203     } else {
 204         pci_bus = NULL;
 205         i440fx_state = NULL;
 206         isa_bus = isa_bus_new(NULL, system_io);
 207         no_hpet = 1;
 208     }
 209     isa_bus_irqs(isa_bus, gsi);
 210
 211     if (kvm_irqchip_in_kernel()) {
 212         i8259 = kvm_i8259_init(isa_bus);
 213     } else if (xen_enabled()) {
 214         i8259 = xen_interrupt_controller_init();
 215     } else {
 216         cpu_irq = pc_allocate_cpu_irq();
 217         i8259 = i8259_init(isa_bus, cpu_irq[0]);
 218     }
 219
 220     for (i = 0; i < ISA_NUM_IRQS; i++) {
 221         gsi_state->i8259_irq[i] = i8259[i];
 222     }
 223     if (pci_enabled) {
 224         ioapic_init(gsi_state);
 225     }
 226
 227     pc_register_ferr_irq(gsi[13]);
 228
 229     pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
 230     if (xen_enabled()) {
 231         pci_create_simple(pci_bus, -1, "xen-platform");
 232     }
 233
 234     /* init basic PC hardware */
 235     pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled());
 236
 237     for(i = 0; i < nb_nics; i++) {
 238         NICInfo *nd = &nd_table[i];
 239
 240         if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
 241             pc_init_ne2k_isa(isa_bus, nd);
 242         else
 243             pci_nic_init_nofail(nd, "e1000", NULL);
 244     }
 245
 246     ide_drive_get(hd, MAX_IDE_BUS);
 247     if (pci_enabled) {
 248         PCIDevice *dev;
 249         if (xen_enabled()) {
 250             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
 251         } else {
 252             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
 253         }
 254         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
 255         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
 256     } else {
 257         for(i = 0; i < MAX_IDE_BUS; i++) {
 258             ISADevice *dev;
 259             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
 260                                ide_irq[i],
 261                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
 262             idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
 263         }
 264     }
 265
 266     audio_init(isa_bus, pci_enabled ? pci_bus : NULL);
 267
 268     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
 269                  floppy, idebus[0], idebus[1], rtc_state);
 270
 271     if (pci_enabled && usb_enabled) {
 272         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
 273     }
 274
 275     if (pci_enabled && acpi_enabled) {
 276         i2c_bus *smbus;
 277
 278         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
 279         /* TODO: Populate SPD eeprom data.  */
 280         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
 281                               gsi[9], *smi_irq,
 282                               kvm_enabled());
 283         smbus_eeprom_init(smbus, 8, NULL, 0);
 284     }
 285
 286     if (pci_enabled) {
 287         pc_pci_device_init(pci_bus);
 288     }
 289 }
 290
 291 static void pc_init_pci(ram_addr_t ram_size,
 292                         const char *boot_device,
 293                         const char *kernel_filename,
 294                         const char *kernel_cmdline,
 295                         const char *initrd_filename,
 296                         const char *cpu_model)
 297 {
 298     pc_init1(get_system_memory(),
 299              get_system_io(),
 300              ram_size, boot_device,
 301              kernel_filename, kernel_cmdline,
 302              initrd_filename, cpu_model, 1, 1);
 303 }
 304
 305 static void pc_init_pci_no_kvmclock(ram_addr_t ram_size,
 306                                     const char *boot_device,
 307                                     const char *kernel_filename,
 308                                     const char *kernel_cmdline,
 309                                     const char *initrd_filename,
 310                                     const char *cpu_model)
 311 {
 312     pc_init1(get_system_memory(),
 313              get_system_io(),
 314              ram_size, boot_device,
 315              kernel_filename, kernel_cmdline,
 316              initrd_filename, cpu_model, 1, 0);
 317 }
 318
 319 static void pc_init_isa(ram_addr_t ram_size,
 320                         const char *boot_device,
 321                         const char *kernel_filename,
 322                         const char *kernel_cmdline,
 323                         const char *initrd_filename,
 324                         const char *cpu_model)
 325 {
 326     if (cpu_model == NULL)
 327         cpu_model = "486";
 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, 0, 1);
 333 }
 334
 335 #ifdef CONFIG_XEN
 336 static void pc_xen_hvm_init(ram_addr_t ram_size,
 337                             const char *boot_device,
 338                             const char *kernel_filename,
 339                             const char *kernel_cmdline,
 340                             const char *initrd_filename,
 341                             const char *cpu_model)
 342 {
 343     if (xen_hvm_init() != 0) {
 344         hw_error("xen hardware virtual machine initialisation failed");
 345     }
 346     pc_init_pci_no_kvmclock(ram_size, boot_device,
 347                             kernel_filename, kernel_cmdline,
 348                             initrd_filename, cpu_model);
 349     xen_vcpu_init();
 350 }
 351 #endif
 352
 353 static QEMUMachine pc_machine_v1_1 = {
 354     .name = "pc-1.1",
 355     .alias = "pc",
 356     .desc = "Standard PC",
 357     .init = pc_init_pci,
 358     .max_cpus = 255,
 359     .is_default = 1,
 360 };
 361
 362 static QEMUMachine pc_machine_v1_0 = {
 363     .name = "pc-1.0",
 364     .desc = "Standard PC",
 365     .init = pc_init_pci,
 366     .max_cpus = 255,
 367     .compat_props = (GlobalProperty[]) {
 368         {
 369             .driver   = "pc-sysfw",
 370             .property = "rom_only",
 371             .value    = stringify(1),
 372         }, {
 373             .driver   = "isa-fdc",
 374             .property = "check_media_rate",
 375             .value    = "off",
 376         },{
 377             .driver   = "apic",
 378             .property = "vapic",
 379             .value    = "off",
 380         },
 381         { /* end of list */ }
 382     },
 383 };
 384
 385 static QEMUMachine pc_machine_v0_15 = {
 386     .name = "pc-0.15",
 387     .desc = "Standard PC",
 388     .init = pc_init_pci,
 389     .max_cpus = 255,
 390     .compat_props = (GlobalProperty[]) {
 391         {
 392             .driver   = "pc-sysfw",
 393             .property = "rom_only",
 394             .value    = stringify(1),
 395         }, {
 396             .driver   = "isa-fdc",
 397             .property = "check_media_rate",
 398             .value    = "off",
 399         },{
 400             .driver   = "apic",
 401             .property = "vapic",
 402             .value    = "off",
 403         },
 404         { /* end of list */ }
 405     },
 406 };
 407
 408 static QEMUMachine pc_machine_v0_14 = {
 409     .name = "pc-0.14",
 410     .desc = "Standard PC",
 411     .init = pc_init_pci,
 412     .max_cpus = 255,
 413     .compat_props = (GlobalProperty[]) {
 414         {
 415             .driver   = "qxl",
 416             .property = "revision",
 417             .value    = stringify(2),
 418         },{
 419             .driver   = "qxl-vga",
 420             .property = "revision",
 421             .value    = stringify(2),
 422         },{
 423             .driver   = "virtio-blk-pci",
 424             .property = "event_idx",
 425             .value    = "off",
 426         },{
 427             .driver   = "virtio-serial-pci",
 428             .property = "event_idx",
 429             .value    = "off",
 430         },{
 431             .driver   = "virtio-net-pci",
 432             .property = "event_idx",
 433             .value    = "off",
 434         },{
 435             .driver   = "virtio-balloon-pci",
 436             .property = "event_idx",
 437             .value    = "off",
 438         },{
 439             .driver   = "isa-fdc",
 440             .property = "check_media_rate",
 441             .value    = "off",
 442         },{
 443             .driver   = "pc-sysfw",
 444             .property = "rom_only",
 445             .value    = stringify(1),
 446         },{
 447             .driver   = "apic",
 448             .property = "vapic",
 449             .value    = "off",
 450         },
 451         { /* end of list */ }
 452     },
 453 };
 454
 455 static QEMUMachine pc_machine_v0_13 = {
 456     .name = "pc-0.13",
 457     .desc = "Standard PC",
 458     .init = pc_init_pci_no_kvmclock,
 459     .max_cpus = 255,
 460     .compat_props = (GlobalProperty[]) {
 461         {
 462             .driver   = "virtio-9p-pci",
 463             .property = "vectors",
 464             .value    = stringify(0),
 465         },{
 466             .driver   = "VGA",
 467             .property = "rombar",
 468             .value    = stringify(0),
 469         },{
 470             .driver   = "vmware-svga",
 471             .property = "rombar",
 472             .value    = stringify(0),
 473         },{
 474             .driver   = "PCI",
 475             .property = "command_serr_enable",
 476             .value    = "off",
 477         },{
 478             .driver   = "virtio-blk-pci",
 479             .property = "event_idx",
 480             .value    = "off",
 481         },{
 482             .driver   = "virtio-serial-pci",
 483             .property = "event_idx",
 484             .value    = "off",
 485         },{
 486             .driver   = "virtio-net-pci",
 487             .property = "event_idx",
 488             .value    = "off",
 489         },{
 490             .driver   = "virtio-balloon-pci",
 491             .property = "event_idx",
 492             .value    = "off",
 493         },{
 494             .driver   = "AC97",
 495             .property = "use_broken_id",
 496             .value    = stringify(1),
 497         },{
 498             .driver   = "isa-fdc",
 499             .property = "check_media_rate",
 500             .value    = "off",
 501         },{
 502             .driver   = "pc-sysfw",
 503             .property = "rom_only",
 504             .value    = stringify(1),
 505         },{
 506             .driver   = "apic",
 507             .property = "vapic",
 508             .value    = "off",
 509         },
 510         { /* end of list */ }
 511     },
 512 };
 513
 514 static QEMUMachine pc_machine_v0_12 = {
 515     .name = "pc-0.12",
 516     .desc = "Standard PC",
 517     .init = pc_init_pci_no_kvmclock,
 518     .max_cpus = 255,
 519     .compat_props = (GlobalProperty[]) {
 520         {
 521             .driver   = "virtio-serial-pci",
 522             .property = "max_ports",
 523             .value    = stringify(1),
 524         },{
 525             .driver   = "virtio-serial-pci",
 526             .property = "vectors",
 527             .value    = stringify(0),
 528         },{
 529             .driver   = "VGA",
 530             .property = "rombar",
 531             .value    = stringify(0),
 532         },{
 533             .driver   = "vmware-svga",
 534             .property = "rombar",
 535             .value    = stringify(0),
 536         },{
 537             .driver   = "PCI",
 538             .property = "command_serr_enable",
 539             .value    = "off",
 540         },{
 541             .driver   = "virtio-blk-pci",
 542             .property = "event_idx",
 543             .value    = "off",
 544         },{
 545             .driver   = "virtio-serial-pci",
 546             .property = "event_idx",
 547             .value    = "off",
 548         },{
 549             .driver   = "virtio-net-pci",
 550             .property = "event_idx",
 551             .value    = "off",
 552         },{
 553             .driver   = "virtio-balloon-pci",
 554             .property = "event_idx",
 555             .value    = "off",
 556         },{
 557             .driver   = "AC97",
 558             .property = "use_broken_id",
 559             .value    = stringify(1),
 560         },{
 561             .driver   = "isa-fdc",
 562             .property = "check_media_rate",
 563             .value    = "off",
 564         },{
 565             .driver   = "pc-sysfw",
 566             .property = "rom_only",
 567             .value    = stringify(1),
 568         },{
 569             .driver   = "apic",
 570             .property = "vapic",
 571             .value    = "off",
 572         },
 573         { /* end of list */ }
 574     }
 575 };
 576
 577 static QEMUMachine pc_machine_v0_11 = {
 578     .name = "pc-0.11",
 579     .desc = "Standard PC, qemu 0.11",
 580     .init = pc_init_pci_no_kvmclock,
 581     .max_cpus = 255,
 582     .compat_props = (GlobalProperty[]) {
 583         {
 584             .driver   = "virtio-blk-pci",
 585             .property = "vectors",
 586             .value    = stringify(0),
 587         },{
 588             .driver   = "virtio-serial-pci",
 589             .property = "max_ports",
 590             .value    = stringify(1),
 591         },{
 592             .driver   = "virtio-serial-pci",
 593             .property = "vectors",
 594             .value    = stringify(0),
 595         },{
 596             .driver   = "ide-drive",
 597             .property = "ver",
 598             .value    = "0.11",
 599         },{
 600             .driver   = "scsi-disk",
 601             .property = "ver",
 602             .value    = "0.11",
 603         },{
 604             .driver   = "PCI",
 605             .property = "rombar",
 606             .value    = stringify(0),
 607         },{
 608             .driver   = "PCI",
 609             .property = "command_serr_enable",
 610             .value    = "off",
 611         },{
 612             .driver   = "virtio-blk-pci",
 613             .property = "event_idx",
 614             .value    = "off",
 615         },{
 616             .driver   = "virtio-serial-pci",
 617             .property = "event_idx",
 618             .value    = "off",
 619         },{
 620             .driver   = "virtio-net-pci",
 621             .property = "event_idx",
 622             .value    = "off",
 623         },{
 624             .driver   = "virtio-balloon-pci",
 625             .property = "event_idx",
 626             .value    = "off",
 627         },{
 628             .driver   = "AC97",
 629             .property = "use_broken_id",
 630             .value    = stringify(1),
 631         },{
 632             .driver   = "isa-fdc",
 633             .property = "check_media_rate",
 634             .value    = "off",
 635         },{
 636             .driver   = "pc-sysfw",
 637             .property = "rom_only",
 638             .value    = stringify(1),
 639         },{
 640             .driver   = "apic",
 641             .property = "vapic",
 642             .value    = "off",
 643         },
 644         { /* end of list */ }
 645     }
 646 };
 647
 648 static QEMUMachine pc_machine_v0_10 = {
 649     .name = "pc-0.10",
 650     .desc = "Standard PC, qemu 0.10",
 651     .init = pc_init_pci_no_kvmclock,
 652     .max_cpus = 255,
 653     .compat_props = (GlobalProperty[]) {
 654         {
 655             .driver   = "virtio-blk-pci",
 656             .property = "class",
 657             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
 658         },{
 659             .driver   = "virtio-serial-pci",
 660             .property = "class",
 661             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
 662         },{
 663             .driver   = "virtio-serial-pci",
 664             .property = "max_ports",
 665             .value    = stringify(1),
 666         },{
 667             .driver   = "virtio-serial-pci",
 668             .property = "vectors",
 669             .value    = stringify(0),
 670         },{
 671             .driver   = "virtio-net-pci",
 672             .property = "vectors",
 673             .value    = stringify(0),
 674         },{
 675             .driver   = "virtio-blk-pci",
 676             .property = "vectors",
 677             .value    = stringify(0),
 678         },{
 679             .driver   = "ide-drive",
 680             .property = "ver",
 681             .value    = "0.10",
 682         },{
 683             .driver   = "scsi-disk",
 684             .property = "ver",
 685             .value    = "0.10",
 686         },{
 687             .driver   = "PCI",
 688             .property = "rombar",
 689             .value    = stringify(0),
 690         },{
 691             .driver   = "PCI",
 692             .property = "command_serr_enable",
 693             .value    = "off",
 694         },{
 695             .driver   = "virtio-blk-pci",
 696             .property = "event_idx",
 697             .value    = "off",
 698         },{
 699             .driver   = "virtio-serial-pci",
 700             .property = "event_idx",
 701             .value    = "off",
 702         },{
 703             .driver   = "virtio-net-pci",
 704             .property = "event_idx",
 705             .value    = "off",
 706         },{
 707             .driver   = "virtio-balloon-pci",
 708             .property = "event_idx",
 709             .value    = "off",
 710         },{
 711             .driver   = "AC97",
 712             .property = "use_broken_id",
 713             .value    = stringify(1),
 714         },{
 715             .driver   = "isa-fdc",
 716             .property = "check_media_rate",
 717             .value    = "off",
 718         },{
 719             .driver   = "pc-sysfw",
 720             .property = "rom_only",
 721             .value    = stringify(1),
 722         },{
 723             .driver   = "apic",
 724             .property = "vapic",
 725             .value    = "off",
 726         },
 727         { /* end of list */ }
 728     },
 729 };
 730
 731 static QEMUMachine isapc_machine = {
 732     .name = "isapc",
 733     .desc = "ISA-only PC",
 734     .init = pc_init_isa,
 735     .max_cpus = 1,
 736     .compat_props = (GlobalProperty[]) {
 737         {
 738             .driver   = "pc-sysfw",
 739             .property = "rom_only",
 740             .value    = stringify(1),
 741         },
 742         { /* end of list */ }
 743     },
 744 };
 745
 746 #ifdef CONFIG_XEN
 747 static QEMUMachine xenfv_machine = {
 748     .name = "xenfv",
 749     .desc = "Xen Fully-virtualized PC",
 750     .init = pc_xen_hvm_init,
 751     .max_cpus = HVM_MAX_VCPUS,
 752     .default_machine_opts = "accel=xen",
 753 };
 754 #endif
 755
 756 static void pc_machine_init(void)
 757 {
 758     qemu_register_machine(&pc_machine_v1_1);
 759     qemu_register_machine(&pc_machine_v1_0);
 760     qemu_register_machine(&pc_machine_v0_15);
 761     qemu_register_machine(&pc_machine_v0_14);
 762     qemu_register_machine(&pc_machine_v0_13);
 763     qemu_register_machine(&pc_machine_v0_12);
 764     qemu_register_machine(&pc_machine_v0_11);
 765     qemu_register_machine(&pc_machine_v0_10);
 766     qemu_register_machine(&isapc_machine);
 767 #ifdef CONFIG_XEN
 768     qemu_register_machine(&xenfv_machine);
 769 #endif
 770 }
 771
 772 machine_init(pc_machine_init);