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 "usb-uhci.h"
  32 #include "usb-ohci.h"
  33 #include "net.h"
  34 #include "boards.h"
  35 #include "ide.h"
  36 #include "kvm.h"
  37 #include "kvm/clock.h"
  38 #include "sysemu.h"
  39 #include "sysbus.h"
  40 #include "arch_init.h"
  41 #include "blockdev.h"
  42 #include "smbus.h"
  43 #include "xen.h"
  44 #include "memory.h"
  45 #include "exec-memory.h"
  46 #ifdef CONFIG_XEN
  47 #  include <xen/hvm/hvm_info_table.h>
  48 #endif
  49
  50 #define MAX_IDE_BUS 2
  51
  52 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
  53 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
  54 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
  55
  56 static void kvm_piix3_setup_irq_routing(bool pci_enabled)
  57 {
  58 #ifdef CONFIG_KVM
  59     KVMState *s = kvm_state;
  60     int ret, i;
  61
  62     if (kvm_check_extension(s, KVM_CAP_IRQ_ROUTING)) {
  63         for (i = 0; i < 8; ++i) {
  64             if (i == 2) {
  65                 continue;
  66             }
  67             kvm_irqchip_add_route(s, i, KVM_IRQCHIP_PIC_MASTER, i);
  68         }
  69         for (i = 8; i < 16; ++i) {
  70             kvm_irqchip_add_route(s, i, KVM_IRQCHIP_PIC_SLAVE, i - 8);
  71         }
  72         if (pci_enabled) {
  73             for (i = 0; i < 24; ++i) {
  74                 if (i == 0) {
  75                     kvm_irqchip_add_route(s, i, KVM_IRQCHIP_IOAPIC, 2);
  76                 } else if (i != 2) {
  77                     kvm_irqchip_add_route(s, i, KVM_IRQCHIP_IOAPIC, i);
  78                 }
  79             }
  80         }
  81         ret = kvm_irqchip_commit_routes(s);
  82         if (ret < 0) {
  83             hw_error("KVM IRQ routing setup failed");
  84         }
  85     }
  86 #endif /* CONFIG_KVM */
  87 }
  88
  89 static void kvm_piix3_gsi_handler(void *opaque, int n, int level)
  90 {
  91     GSIState *s = opaque;
  92
  93     if (n < ISA_NUM_IRQS) {
  94         /* Kernel will forward to both PIC and IOAPIC */
  95         qemu_set_irq(s->i8259_irq[n], level);
  96     } else {
  97         qemu_set_irq(s->ioapic_irq[n], level);
  98     }
  99 }
 100
 101 static void ioapic_init(GSIState *gsi_state)
 102 {
 103     DeviceState *dev;
 104     SysBusDevice *d;
 105     unsigned int i;
 106
 107     if (kvm_irqchip_in_kernel()) {
 108         dev = qdev_create(NULL, "kvm-ioapic");
 109     } else {
 110         dev = qdev_create(NULL, "ioapic");
 111     }
 112     qdev_init_nofail(dev);
 113     d = sysbus_from_qdev(dev);
 114     sysbus_mmio_map(d, 0, 0xfec00000);
 115
 116     for (i = 0; i < IOAPIC_NUM_PINS; i++) {
 117         gsi_state->ioapic_irq[i] = qdev_get_gpio_in(dev, i);
 118     }
 119 }
 120
 121 /* PC hardware initialisation */
 122 static void pc_init1(MemoryRegion *system_memory,
 123                      MemoryRegion *system_io,
 124                      ram_addr_t ram_size,
 125                      const char *boot_device,
 126                      const char *kernel_filename,
 127                      const char *kernel_cmdline,
 128                      const char *initrd_filename,
 129                      const char *cpu_model,
 130                      int pci_enabled,
 131                      int kvmclock_enabled)
 132 {
 133     int i;
 134     ram_addr_t below_4g_mem_size, above_4g_mem_size;
 135     PCIBus *pci_bus;
 136     ISABus *isa_bus;
 137     PCII440FXState *i440fx_state;
 138     int piix3_devfn = -1;
 139     qemu_irq *cpu_irq;
 140     qemu_irq *gsi;
 141     qemu_irq *i8259;
 142     qemu_irq *smi_irq;
 143     GSIState *gsi_state;
 144     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
 145     BusState *idebus[MAX_IDE_BUS];
 146     ISADevice *rtc_state;
 147     ISADevice *floppy;
 148     MemoryRegion *ram_memory;
 149     MemoryRegion *pci_memory;
 150     MemoryRegion *rom_memory;
 151     DeviceState *dev;
 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     dev = pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
 230     if (dev) {
 231         object_property_add_child(object_get_root(), "vga", OBJECT(dev), NULL);
 232     }
 233
 234     if (xen_enabled()) {
 235         pci_create_simple(pci_bus, -1, "xen-platform");
 236     }
 237
 238     /* init basic PC hardware */
 239     pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled());
 240
 241     for(i = 0; i < nb_nics; i++) {
 242         NICInfo *nd = &nd_table[i];
 243
 244         if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
 245             pc_init_ne2k_isa(isa_bus, nd);
 246         else
 247             pci_nic_init_nofail(nd, "e1000", NULL);
 248     }
 249
 250     ide_drive_get(hd, MAX_IDE_BUS);
 251     if (pci_enabled) {
 252         PCIDevice *dev;
 253         if (xen_enabled()) {
 254             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
 255         } else {
 256             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
 257         }
 258         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
 259         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
 260
 261         /* FIXME there's some major spaghetti here.  Somehow we create the
 262          * devices on the PIIX before we actually create it.  We create the
 263          * PIIX3 deep in the recess of the i440fx creation too and then lose
 264          * the DeviceState.
 265          *
 266          * For now, let's "fix" this by making judicious use of paths.  This
 267          * is not generally the right way to do this.
 268          */
 269         object_property_add_child(object_resolve_path("/i440fx/piix3", NULL),
 270                                   "rtc", (Object *)rtc_state, NULL);
 271     } else {
 272         for(i = 0; i < MAX_IDE_BUS; i++) {
 273             ISADevice *dev;
 274             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
 275                                ide_irq[i],
 276                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
 277             idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
 278         }
 279     }
 280
 281     audio_init(isa_bus, pci_enabled ? pci_bus : NULL);
 282
 283     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
 284                  floppy, idebus[0], idebus[1], rtc_state);
 285
 286     if (pci_enabled && usb_enabled) {
 287         usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
 288     }
 289
 290     if (pci_enabled && acpi_enabled) {
 291         i2c_bus *smbus;
 292
 293         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
 294         /* TODO: Populate SPD eeprom data.  */
 295         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
 296                               gsi[9], *smi_irq,
 297                               kvm_enabled());
 298         smbus_eeprom_init(smbus, 8, NULL, 0);
 299     }
 300
 301     if (pci_enabled) {
 302         pc_pci_device_init(pci_bus);
 303     }
 304 }
 305
 306 static void pc_init_pci(ram_addr_t ram_size,
 307                         const char *boot_device,
 308                         const char *kernel_filename,
 309                         const char *kernel_cmdline,
 310                         const char *initrd_filename,
 311                         const char *cpu_model)
 312 {
 313     pc_init1(get_system_memory(),
 314              get_system_io(),
 315              ram_size, boot_device,
 316              kernel_filename, kernel_cmdline,
 317              initrd_filename, cpu_model, 1, 1);
 318 }
 319
 320 static void pc_init_pci_no_kvmclock(ram_addr_t ram_size,
 321                                     const char *boot_device,
 322                                     const char *kernel_filename,
 323                                     const char *kernel_cmdline,
 324                                     const char *initrd_filename,
 325                                     const char *cpu_model)
 326 {
 327     pc_init1(get_system_memory(),
 328              get_system_io(),
 329              ram_size, boot_device,
 330              kernel_filename, kernel_cmdline,
 331              initrd_filename, cpu_model, 1, 0);
 332 }
 333
 334 static void pc_init_isa(ram_addr_t ram_size,
 335                         const char *boot_device,
 336                         const char *kernel_filename,
 337                         const char *kernel_cmdline,
 338                         const char *initrd_filename,
 339                         const char *cpu_model)
 340 {
 341     if (cpu_model == NULL)
 342         cpu_model = "486";
 343     pc_init1(get_system_memory(),
 344              get_system_io(),
 345              ram_size, boot_device,
 346              kernel_filename, kernel_cmdline,
 347              initrd_filename, cpu_model, 0, 1);
 348 }
 349
 350 #ifdef CONFIG_XEN
 351 static void pc_xen_hvm_init(ram_addr_t ram_size,
 352                             const char *boot_device,
 353                             const char *kernel_filename,
 354                             const char *kernel_cmdline,
 355                             const char *initrd_filename,
 356                             const char *cpu_model)
 357 {
 358     if (xen_hvm_init() != 0) {
 359         hw_error("xen hardware virtual machine initialisation failed");
 360     }
 361     pc_init_pci_no_kvmclock(ram_size, boot_device,
 362                             kernel_filename, kernel_cmdline,
 363                             initrd_filename, cpu_model);
 364     xen_vcpu_init();
 365 }
 366 #endif
 367
 368 static QEMUMachine pc_machine_v1_1 = {
 369     .name = "pc-1.1",
 370     .alias = "pc",
 371     .desc = "Standard PC",
 372     .init = pc_init_pci,
 373     .max_cpus = 255,
 374     .is_default = 1,
 375 };
 376
 377 static QEMUMachine pc_machine_v1_0 = {
 378     .name = "pc-1.0",
 379     .desc = "Standard PC",
 380     .init = pc_init_pci,
 381     .max_cpus = 255,
 382     .compat_props = (GlobalProperty[]) {
 383         {
 384             .driver   = "pc-sysfw",
 385             .property = "rom_only",
 386             .value    = stringify(1),
 387         }, {
 388             .driver   = "isa-fdc",
 389             .property = "check_media_rate",
 390             .value    = "off",
 391         },
 392         { /* end of list */ }
 393     },
 394 };
 395
 396 static QEMUMachine pc_machine_v0_15 = {
 397     .name = "pc-0.15",
 398     .desc = "Standard PC",
 399     .init = pc_init_pci,
 400     .max_cpus = 255,
 401     .compat_props = (GlobalProperty[]) {
 402         {
 403             .driver   = "pc-sysfw",
 404             .property = "rom_only",
 405             .value    = stringify(1),
 406         }, {
 407             .driver   = "isa-fdc",
 408             .property = "check_media_rate",
 409             .value    = "off",
 410         },
 411         { /* end of list */ }
 412     },
 413 };
 414
 415 static QEMUMachine pc_machine_v0_14 = {
 416     .name = "pc-0.14",
 417     .desc = "Standard PC",
 418     .init = pc_init_pci,
 419     .max_cpus = 255,
 420     .compat_props = (GlobalProperty[]) {
 421         {
 422             .driver   = "qxl",
 423             .property = "revision",
 424             .value    = stringify(2),
 425         },{
 426             .driver   = "qxl-vga",
 427             .property = "revision",
 428             .value    = stringify(2),
 429         },{
 430             .driver   = "virtio-blk-pci",
 431             .property = "event_idx",
 432             .value    = "off",
 433         },{
 434             .driver   = "virtio-serial-pci",
 435             .property = "event_idx",
 436             .value    = "off",
 437         },{
 438             .driver   = "virtio-net-pci",
 439             .property = "event_idx",
 440             .value    = "off",
 441         },{
 442             .driver   = "virtio-balloon-pci",
 443             .property = "event_idx",
 444             .value    = "off",
 445         },{
 446             .driver   = "isa-fdc",
 447             .property = "check_media_rate",
 448             .value    = "off",
 449         },
 450         {
 451             .driver   = "pc-sysfw",
 452             .property = "rom_only",
 453             .value    = stringify(1),
 454         },
 455         { /* end of list */ }
 456     },
 457 };
 458
 459 static QEMUMachine pc_machine_v0_13 = {
 460     .name = "pc-0.13",
 461     .desc = "Standard PC",
 462     .init = pc_init_pci_no_kvmclock,
 463     .max_cpus = 255,
 464     .compat_props = (GlobalProperty[]) {
 465         {
 466             .driver   = "virtio-9p-pci",
 467             .property = "vectors",
 468             .value    = stringify(0),
 469         },{
 470             .driver   = "VGA",
 471             .property = "rombar",
 472             .value    = stringify(0),
 473         },{
 474             .driver   = "vmware-svga",
 475             .property = "rombar",
 476             .value    = stringify(0),
 477         },{
 478             .driver   = "PCI",
 479             .property = "command_serr_enable",
 480             .value    = "off",
 481         },{
 482             .driver   = "virtio-blk-pci",
 483             .property = "event_idx",
 484             .value    = "off",
 485         },{
 486             .driver   = "virtio-serial-pci",
 487             .property = "event_idx",
 488             .value    = "off",
 489         },{
 490             .driver   = "virtio-net-pci",
 491             .property = "event_idx",
 492             .value    = "off",
 493         },{
 494             .driver   = "virtio-balloon-pci",
 495             .property = "event_idx",
 496             .value    = "off",
 497         },{
 498             .driver   = "AC97",
 499             .property = "use_broken_id",
 500             .value    = stringify(1),
 501         },{
 502             .driver   = "isa-fdc",
 503             .property = "check_media_rate",
 504             .value    = "off",
 505         },
 506         {
 507             .driver   = "pc-sysfw",
 508             .property = "rom_only",
 509             .value    = stringify(1),
 510         },
 511         { /* end of list */ }
 512     },
 513 };
 514
 515 static QEMUMachine pc_machine_v0_12 = {
 516     .name = "pc-0.12",
 517     .desc = "Standard PC",
 518     .init = pc_init_pci_no_kvmclock,
 519     .max_cpus = 255,
 520     .compat_props = (GlobalProperty[]) {
 521         {
 522             .driver   = "virtio-serial-pci",
 523             .property = "max_ports",
 524             .value    = stringify(1),
 525         },{
 526             .driver   = "virtio-serial-pci",
 527             .property = "vectors",
 528             .value    = stringify(0),
 529         },{
 530             .driver   = "VGA",
 531             .property = "rombar",
 532             .value    = stringify(0),
 533         },{
 534             .driver   = "vmware-svga",
 535             .property = "rombar",
 536             .value    = stringify(0),
 537         },{
 538             .driver   = "PCI",
 539             .property = "command_serr_enable",
 540             .value    = "off",
 541         },{
 542             .driver   = "virtio-blk-pci",
 543             .property = "event_idx",
 544             .value    = "off",
 545         },{
 546             .driver   = "virtio-serial-pci",
 547             .property = "event_idx",
 548             .value    = "off",
 549         },{
 550             .driver   = "virtio-net-pci",
 551             .property = "event_idx",
 552             .value    = "off",
 553         },{
 554             .driver   = "virtio-balloon-pci",
 555             .property = "event_idx",
 556             .value    = "off",
 557         },{
 558             .driver   = "AC97",
 559             .property = "use_broken_id",
 560             .value    = stringify(1),
 561         },{
 562             .driver   = "isa-fdc",
 563             .property = "check_media_rate",
 564             .value    = "off",
 565         },
 566         {
 567             .driver   = "pc-sysfw",
 568             .property = "rom_only",
 569             .value    = stringify(1),
 570         },
 571         { /* end of list */ }
 572     }
 573 };
 574
 575 static QEMUMachine pc_machine_v0_11 = {
 576     .name = "pc-0.11",
 577     .desc = "Standard PC, qemu 0.11",
 578     .init = pc_init_pci_no_kvmclock,
 579     .max_cpus = 255,
 580     .compat_props = (GlobalProperty[]) {
 581         {
 582             .driver   = "virtio-blk-pci",
 583             .property = "vectors",
 584             .value    = stringify(0),
 585         },{
 586             .driver   = "virtio-serial-pci",
 587             .property = "max_ports",
 588             .value    = stringify(1),
 589         },{
 590             .driver   = "virtio-serial-pci",
 591             .property = "vectors",
 592             .value    = stringify(0),
 593         },{
 594             .driver   = "ide-drive",
 595             .property = "ver",
 596             .value    = "0.11",
 597         },{
 598             .driver   = "scsi-disk",
 599             .property = "ver",
 600             .value    = "0.11",
 601         },{
 602             .driver   = "PCI",
 603             .property = "rombar",
 604             .value    = stringify(0),
 605         },{
 606             .driver   = "PCI",
 607             .property = "command_serr_enable",
 608             .value    = "off",
 609         },{
 610             .driver   = "virtio-blk-pci",
 611             .property = "event_idx",
 612             .value    = "off",
 613         },{
 614             .driver   = "virtio-serial-pci",
 615             .property = "event_idx",
 616             .value    = "off",
 617         },{
 618             .driver   = "virtio-net-pci",
 619             .property = "event_idx",
 620             .value    = "off",
 621         },{
 622             .driver   = "virtio-balloon-pci",
 623             .property = "event_idx",
 624             .value    = "off",
 625         },{
 626             .driver   = "AC97",
 627             .property = "use_broken_id",
 628             .value    = stringify(1),
 629         },{
 630             .driver   = "isa-fdc",
 631             .property = "check_media_rate",
 632             .value    = "off",
 633         },
 634         {
 635             .driver   = "pc-sysfw",
 636             .property = "rom_only",
 637             .value    = stringify(1),
 638         },
 639         { /* end of list */ }
 640     }
 641 };
 642
 643 static QEMUMachine pc_machine_v0_10 = {
 644     .name = "pc-0.10",
 645     .desc = "Standard PC, qemu 0.10",
 646     .init = pc_init_pci_no_kvmclock,
 647     .max_cpus = 255,
 648     .compat_props = (GlobalProperty[]) {
 649         {
 650             .driver   = "virtio-blk-pci",
 651             .property = "class",
 652             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
 653         },{
 654             .driver   = "virtio-serial-pci",
 655             .property = "class",
 656             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
 657         },{
 658             .driver   = "virtio-serial-pci",
 659             .property = "max_ports",
 660             .value    = stringify(1),
 661         },{
 662             .driver   = "virtio-serial-pci",
 663             .property = "vectors",
 664             .value    = stringify(0),
 665         },{
 666             .driver   = "virtio-net-pci",
 667             .property = "vectors",
 668             .value    = stringify(0),
 669         },{
 670             .driver   = "virtio-blk-pci",
 671             .property = "vectors",
 672             .value    = stringify(0),
 673         },{
 674             .driver   = "ide-drive",
 675             .property = "ver",
 676             .value    = "0.10",
 677         },{
 678             .driver   = "scsi-disk",
 679             .property = "ver",
 680             .value    = "0.10",
 681         },{
 682             .driver   = "PCI",
 683             .property = "rombar",
 684             .value    = stringify(0),
 685         },{
 686             .driver   = "PCI",
 687             .property = "command_serr_enable",
 688             .value    = "off",
 689         },{
 690             .driver   = "virtio-blk-pci",
 691             .property = "event_idx",
 692             .value    = "off",
 693         },{
 694             .driver   = "virtio-serial-pci",
 695             .property = "event_idx",
 696             .value    = "off",
 697         },{
 698             .driver   = "virtio-net-pci",
 699             .property = "event_idx",
 700             .value    = "off",
 701         },{
 702             .driver   = "virtio-balloon-pci",
 703             .property = "event_idx",
 704             .value    = "off",
 705         },{
 706             .driver   = "AC97",
 707             .property = "use_broken_id",
 708             .value    = stringify(1),
 709         },{
 710             .driver   = "isa-fdc",
 711             .property = "check_media_rate",
 712             .value    = "off",
 713         },
 714         {
 715             .driver   = "pc-sysfw",
 716             .property = "rom_only",
 717             .value    = stringify(1),
 718         },
 719         { /* end of list */ }
 720     },
 721 };
 722
 723 static QEMUMachine isapc_machine = {
 724     .name = "isapc",
 725     .desc = "ISA-only PC",
 726     .init = pc_init_isa,
 727     .max_cpus = 1,
 728     .compat_props = (GlobalProperty[]) {
 729         {
 730             .driver   = "pc-sysfw",
 731             .property = "rom_only",
 732             .value    = stringify(1),
 733         },
 734         { /* end of list */ }
 735     },
 736 };
 737
 738 #ifdef CONFIG_XEN
 739 static QEMUMachine xenfv_machine = {
 740     .name = "xenfv",
 741     .desc = "Xen Fully-virtualized PC",
 742     .init = pc_xen_hvm_init,
 743     .max_cpus = HVM_MAX_VCPUS,
 744     .default_machine_opts = "accel=xen",
 745 };
 746 #endif
 747
 748 static void pc_machine_init(void)
 749 {
 750     qemu_register_machine(&pc_machine_v1_1);
 751     qemu_register_machine(&pc_machine_v1_0);
 752     qemu_register_machine(&pc_machine_v0_15);
 753     qemu_register_machine(&pc_machine_v0_14);
 754     qemu_register_machine(&pc_machine_v0_13);
 755     qemu_register_machine(&pc_machine_v0_12);
 756     qemu_register_machine(&pc_machine_v0_11);
 757     qemu_register_machine(&pc_machine_v0_10);
 758     qemu_register_machine(&isapc_machine);
 759 #ifdef CONFIG_XEN
 760     qemu_register_machine(&xenfv_machine);
 761 #endif
 762 }
 763
 764 machine_init(pc_machine_init);