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 "kvmclock.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 ioapic_init(GSIState *gsi_state)
  57 {
  58     DeviceState *dev;
  59     SysBusDevice *d;
  60     unsigned int i;
  61
  62     dev = qdev_create(NULL, "ioapic");
  63     qdev_init_nofail(dev);
  64     d = sysbus_from_qdev(dev);
  65     sysbus_mmio_map(d, 0, 0xfec00000);
  66
  67     for (i = 0; i < IOAPIC_NUM_PINS; i++) {
  68         gsi_state->ioapic_irq[i] = qdev_get_gpio_in(dev, i);
  69     }
  70 }
  71
  72 /* PC hardware initialisation */
  73 static void pc_init1(MemoryRegion *system_memory,
  74                      MemoryRegion *system_io,
  75                      ram_addr_t ram_size,
  76                      const char *boot_device,
  77                      const char *kernel_filename,
  78                      const char *kernel_cmdline,
  79                      const char *initrd_filename,
  80                      const char *cpu_model,
  81                      int pci_enabled,
  82                      int kvmclock_enabled)
  83 {
  84     int i;
  85     ram_addr_t below_4g_mem_size, above_4g_mem_size;
  86     PCIBus *pci_bus;
  87     PCII440FXState *i440fx_state;
  88     int piix3_devfn = -1;
  89     qemu_irq *cpu_irq;
  90     qemu_irq *gsi;
  91     qemu_irq *i8259;
  92     qemu_irq *cmos_s3;
  93     qemu_irq *smi_irq;
  94     GSIState *gsi_state;
  95     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
  96     BusState *idebus[MAX_IDE_BUS];
  97     ISADevice *rtc_state;
  98     ISADevice *floppy;
  99     MemoryRegion *ram_memory;
 100     MemoryRegion *pci_memory;
 101     MemoryRegion *rom_memory;
 102     DeviceState *dev;
 103
 104     pc_cpus_init(cpu_model);
 105
 106     if (kvmclock_enabled) {
 107         kvmclock_create();
 108     }
 109
 110     if (ram_size >= 0xe0000000 ) {
 111         above_4g_mem_size = ram_size - 0xe0000000;
 112         below_4g_mem_size = 0xe0000000;
 113     } else {
 114         above_4g_mem_size = 0;
 115         below_4g_mem_size = ram_size;
 116     }
 117
 118     if (pci_enabled) {
 119         pci_memory = g_new(MemoryRegion, 1);
 120         memory_region_init(pci_memory, "pci", INT64_MAX);
 121         rom_memory = pci_memory;
 122     } else {
 123         pci_memory = NULL;
 124         rom_memory = system_memory;
 125     }
 126
 127     /* allocate ram and load rom/bios */
 128     if (!xen_enabled()) {
 129         pc_memory_init(system_memory,
 130                        kernel_filename, kernel_cmdline, initrd_filename,
 131                        below_4g_mem_size, above_4g_mem_size,
 132                        pci_enabled ? rom_memory : system_memory, &ram_memory);
 133     }
 134
 135     gsi_state = g_malloc0(sizeof(*gsi_state));
 136     gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
 137
 138     if (pci_enabled) {
 139         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, gsi,
 140                               system_memory, system_io, ram_size,
 141                               below_4g_mem_size,
 142                               0x100000000ULL - below_4g_mem_size,
 143                               0x100000000ULL + above_4g_mem_size,
 144                               (sizeof(target_phys_addr_t) == 4
 145                                ? 0
 146                                : ((uint64_t)1 << 62)),
 147                               pci_memory, ram_memory);
 148     } else {
 149         pci_bus = NULL;
 150         i440fx_state = NULL;
 151         isa_bus_new(NULL, system_io);
 152         no_hpet = 1;
 153     }
 154     isa_bus_irqs(gsi);
 155
 156     if (!xen_enabled()) {
 157         cpu_irq = pc_allocate_cpu_irq();
 158         i8259 = i8259_init(cpu_irq[0]);
 159     } else {
 160         i8259 = xen_interrupt_controller_init();
 161     }
 162
 163     for (i = 0; i < ISA_NUM_IRQS; i++) {
 164         gsi_state->i8259_irq[i] = i8259[i];
 165     }
 166     if (pci_enabled) {
 167         ioapic_init(gsi_state);
 168     }
 169
 170     pc_register_ferr_irq(gsi[13]);
 171
 172     dev = pc_vga_init(pci_enabled? pci_bus: NULL);
 173     if (dev) {
 174         qdev_property_add_child(qdev_get_root(), "vga", dev, NULL);
 175     }
 176
 177     if (xen_enabled()) {
 178         pci_create_simple(pci_bus, -1, "xen-platform");
 179     }
 180
 181     /* init basic PC hardware */
 182     pc_basic_device_init(gsi, &rtc_state, &floppy, xen_enabled());
 183
 184     for(i = 0; i < nb_nics; i++) {
 185         NICInfo *nd = &nd_table[i];
 186
 187         if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
 188             pc_init_ne2k_isa(nd);
 189         else
 190             pci_nic_init_nofail(nd, "e1000", NULL);
 191     }
 192
 193     ide_drive_get(hd, MAX_IDE_BUS);
 194     if (pci_enabled) {
 195         PCIDevice *dev;
 196         if (xen_enabled()) {
 197             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
 198         } else {
 199             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
 200         }
 201         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
 202         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
 203     } else {
 204         for(i = 0; i < MAX_IDE_BUS; i++) {
 205             ISADevice *dev;
 206             dev = isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
 207                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
 208             idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
 209         }
 210     }
 211
 212     /* FIXME there's some major spaghetti here.  Somehow we create the devices
 213      * on the PIIX before we actually create it.  We create the PIIX3 deep in
 214      * the recess of the i440fx creation too and then lose the DeviceState.
 215      *
 216      * For now, let's "fix" this by making judicious use of paths.  This is not
 217      * generally the right way to do this.
 218      */
 219
 220     qdev_property_add_child(qdev_resolve_path("/i440fx/piix3", NULL),
 221                             "rtc", (DeviceState *)rtc_state, NULL);
 222
 223     audio_init(gsi, pci_enabled ? pci_bus : NULL);
 224
 225     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
 226                  floppy, idebus[0], idebus[1], rtc_state);
 227
 228     if (pci_enabled && usb_enabled) {
 229         usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
 230     }
 231
 232     if (pci_enabled && acpi_enabled) {
 233         i2c_bus *smbus;
 234
 235         if (!xen_enabled()) {
 236             cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1);
 237         } else {
 238             cmos_s3 = qemu_allocate_irqs(xen_cmos_set_s3_resume, rtc_state, 1);
 239         }
 240         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
 241         /* TODO: Populate SPD eeprom data.  */
 242         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
 243                               gsi[9], *cmos_s3, *smi_irq,
 244                               kvm_enabled());
 245         smbus_eeprom_init(smbus, 8, NULL, 0);
 246     }
 247
 248     if (pci_enabled) {
 249         pc_pci_device_init(pci_bus);
 250     }
 251 }
 252
 253 static void pc_init_pci(ram_addr_t ram_size,
 254                         const char *boot_device,
 255                         const char *kernel_filename,
 256                         const char *kernel_cmdline,
 257                         const char *initrd_filename,
 258                         const char *cpu_model)
 259 {
 260     pc_init1(get_system_memory(),
 261              get_system_io(),
 262              ram_size, boot_device,
 263              kernel_filename, kernel_cmdline,
 264              initrd_filename, cpu_model, 1, 1);
 265 }
 266
 267 static void pc_init_pci_no_kvmclock(ram_addr_t ram_size,
 268                                     const char *boot_device,
 269                                     const char *kernel_filename,
 270                                     const char *kernel_cmdline,
 271                                     const char *initrd_filename,
 272                                     const char *cpu_model)
 273 {
 274     pc_init1(get_system_memory(),
 275              get_system_io(),
 276              ram_size, boot_device,
 277              kernel_filename, kernel_cmdline,
 278              initrd_filename, cpu_model, 1, 0);
 279 }
 280
 281 static void pc_init_isa(ram_addr_t ram_size,
 282                         const char *boot_device,
 283                         const char *kernel_filename,
 284                         const char *kernel_cmdline,
 285                         const char *initrd_filename,
 286                         const char *cpu_model)
 287 {
 288     if (cpu_model == NULL)
 289         cpu_model = "486";
 290     pc_init1(get_system_memory(),
 291              get_system_io(),
 292              ram_size, boot_device,
 293              kernel_filename, kernel_cmdline,
 294              initrd_filename, cpu_model, 0, 1);
 295 }
 296
 297 #ifdef CONFIG_XEN
 298 static void pc_xen_hvm_init(ram_addr_t ram_size,
 299                             const char *boot_device,
 300                             const char *kernel_filename,
 301                             const char *kernel_cmdline,
 302                             const char *initrd_filename,
 303                             const char *cpu_model)
 304 {
 305     if (xen_hvm_init() != 0) {
 306         hw_error("xen hardware virtual machine initialisation failed");
 307     }
 308     pc_init_pci_no_kvmclock(ram_size, boot_device,
 309                             kernel_filename, kernel_cmdline,
 310                             initrd_filename, cpu_model);
 311     xen_vcpu_init();
 312 }
 313 #endif
 314
 315 static QEMUMachine pc_machine_v1_0 = {
 316     .name = "pc-1.0",
 317     .alias = "pc",
 318     .desc = "Standard PC",
 319     .init = pc_init_pci,
 320     .max_cpus = 255,
 321     .is_default = 1,
 322 };
 323
 324 static QEMUMachine pc_machine_v0_15 = {
 325     .name = "pc-0.15",
 326     .desc = "Standard PC",
 327     .init = pc_init_pci,
 328     .max_cpus = 255,
 329     .is_default = 1,
 330 };
 331
 332 static QEMUMachine pc_machine_v0_14 = {
 333     .name = "pc-0.14",
 334     .desc = "Standard PC",
 335     .init = pc_init_pci,
 336     .max_cpus = 255,
 337     .compat_props = (GlobalProperty[]) {
 338         {
 339             .driver   = "qxl",
 340             .property = "revision",
 341             .value    = stringify(2),
 342         },{
 343             .driver   = "qxl-vga",
 344             .property = "revision",
 345             .value    = stringify(2),
 346         },{
 347             .driver   = "virtio-blk-pci",
 348             .property = "event_idx",
 349             .value    = "off",
 350         },{
 351             .driver   = "virtio-serial-pci",
 352             .property = "event_idx",
 353             .value    = "off",
 354         },{
 355             .driver   = "virtio-net-pci",
 356             .property = "event_idx",
 357             .value    = "off",
 358         },{
 359             .driver   = "virtio-balloon-pci",
 360             .property = "event_idx",
 361             .value    = "off",
 362         },
 363         { /* end of list */ }
 364     },
 365 };
 366
 367 static QEMUMachine pc_machine_v0_13 = {
 368     .name = "pc-0.13",
 369     .desc = "Standard PC",
 370     .init = pc_init_pci_no_kvmclock,
 371     .max_cpus = 255,
 372     .compat_props = (GlobalProperty[]) {
 373         {
 374             .driver   = "virtio-9p-pci",
 375             .property = "vectors",
 376             .value    = stringify(0),
 377         },{
 378             .driver   = "VGA",
 379             .property = "rombar",
 380             .value    = stringify(0),
 381         },{
 382             .driver   = "vmware-svga",
 383             .property = "rombar",
 384             .value    = stringify(0),
 385         },{
 386             .driver   = "PCI",
 387             .property = "command_serr_enable",
 388             .value    = "off",
 389         },{
 390             .driver   = "virtio-blk-pci",
 391             .property = "event_idx",
 392             .value    = "off",
 393         },{
 394             .driver   = "virtio-serial-pci",
 395             .property = "event_idx",
 396             .value    = "off",
 397         },{
 398             .driver   = "virtio-net-pci",
 399             .property = "event_idx",
 400             .value    = "off",
 401         },{
 402             .driver   = "virtio-balloon-pci",
 403             .property = "event_idx",
 404             .value    = "off",
 405         },{
 406             .driver   = "AC97",
 407             .property = "use_broken_id",
 408             .value    = stringify(1),
 409         },
 410         { /* end of list */ }
 411     },
 412 };
 413
 414 static QEMUMachine pc_machine_v0_12 = {
 415     .name = "pc-0.12",
 416     .desc = "Standard PC",
 417     .init = pc_init_pci_no_kvmclock,
 418     .max_cpus = 255,
 419     .compat_props = (GlobalProperty[]) {
 420         {
 421             .driver   = "virtio-serial-pci",
 422             .property = "max_ports",
 423             .value    = stringify(1),
 424         },{
 425             .driver   = "virtio-serial-pci",
 426             .property = "vectors",
 427             .value    = stringify(0),
 428         },{
 429             .driver   = "VGA",
 430             .property = "rombar",
 431             .value    = stringify(0),
 432         },{
 433             .driver   = "vmware-svga",
 434             .property = "rombar",
 435             .value    = stringify(0),
 436         },{
 437             .driver   = "PCI",
 438             .property = "command_serr_enable",
 439             .value    = "off",
 440         },{
 441             .driver   = "virtio-blk-pci",
 442             .property = "event_idx",
 443             .value    = "off",
 444         },{
 445             .driver   = "virtio-serial-pci",
 446             .property = "event_idx",
 447             .value    = "off",
 448         },{
 449             .driver   = "virtio-net-pci",
 450             .property = "event_idx",
 451             .value    = "off",
 452         },{
 453             .driver   = "virtio-balloon-pci",
 454             .property = "event_idx",
 455             .value    = "off",
 456         },{
 457             .driver   = "AC97",
 458             .property = "use_broken_id",
 459             .value    = stringify(1),
 460         },
 461         { /* end of list */ }
 462     }
 463 };
 464
 465 static QEMUMachine pc_machine_v0_11 = {
 466     .name = "pc-0.11",
 467     .desc = "Standard PC, qemu 0.11",
 468     .init = pc_init_pci_no_kvmclock,
 469     .max_cpus = 255,
 470     .compat_props = (GlobalProperty[]) {
 471         {
 472             .driver   = "virtio-blk-pci",
 473             .property = "vectors",
 474             .value    = stringify(0),
 475         },{
 476             .driver   = "virtio-serial-pci",
 477             .property = "max_ports",
 478             .value    = stringify(1),
 479         },{
 480             .driver   = "virtio-serial-pci",
 481             .property = "vectors",
 482             .value    = stringify(0),
 483         },{
 484             .driver   = "ide-drive",
 485             .property = "ver",
 486             .value    = "0.11",
 487         },{
 488             .driver   = "scsi-disk",
 489             .property = "ver",
 490             .value    = "0.11",
 491         },{
 492             .driver   = "PCI",
 493             .property = "rombar",
 494             .value    = stringify(0),
 495         },{
 496             .driver   = "PCI",
 497             .property = "command_serr_enable",
 498             .value    = "off",
 499         },{
 500             .driver   = "virtio-blk-pci",
 501             .property = "event_idx",
 502             .value    = "off",
 503         },{
 504             .driver   = "virtio-serial-pci",
 505             .property = "event_idx",
 506             .value    = "off",
 507         },{
 508             .driver   = "virtio-net-pci",
 509             .property = "event_idx",
 510             .value    = "off",
 511         },{
 512             .driver   = "virtio-balloon-pci",
 513             .property = "event_idx",
 514             .value    = "off",
 515         },{
 516             .driver   = "AC97",
 517             .property = "use_broken_id",
 518             .value    = stringify(1),
 519         },
 520         { /* end of list */ }
 521     }
 522 };
 523
 524 static QEMUMachine pc_machine_v0_10 = {
 525     .name = "pc-0.10",
 526     .desc = "Standard PC, qemu 0.10",
 527     .init = pc_init_pci_no_kvmclock,
 528     .max_cpus = 255,
 529     .compat_props = (GlobalProperty[]) {
 530         {
 531             .driver   = "virtio-blk-pci",
 532             .property = "class",
 533             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
 534         },{
 535             .driver   = "virtio-serial-pci",
 536             .property = "class",
 537             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
 538         },{
 539             .driver   = "virtio-serial-pci",
 540             .property = "max_ports",
 541             .value    = stringify(1),
 542         },{
 543             .driver   = "virtio-serial-pci",
 544             .property = "vectors",
 545             .value    = stringify(0),
 546         },{
 547             .driver   = "virtio-net-pci",
 548             .property = "vectors",
 549             .value    = stringify(0),
 550         },{
 551             .driver   = "virtio-blk-pci",
 552             .property = "vectors",
 553             .value    = stringify(0),
 554         },{
 555             .driver   = "ide-drive",
 556             .property = "ver",
 557             .value    = "0.10",
 558         },{
 559             .driver   = "scsi-disk",
 560             .property = "ver",
 561             .value    = "0.10",
 562         },{
 563             .driver   = "PCI",
 564             .property = "rombar",
 565             .value    = stringify(0),
 566         },{
 567             .driver   = "PCI",
 568             .property = "command_serr_enable",
 569             .value    = "off",
 570         },{
 571             .driver   = "virtio-blk-pci",
 572             .property = "event_idx",
 573             .value    = "off",
 574         },{
 575             .driver   = "virtio-serial-pci",
 576             .property = "event_idx",
 577             .value    = "off",
 578         },{
 579             .driver   = "virtio-net-pci",
 580             .property = "event_idx",
 581             .value    = "off",
 582         },{
 583             .driver   = "virtio-balloon-pci",
 584             .property = "event_idx",
 585             .value    = "off",
 586         },{
 587             .driver   = "AC97",
 588             .property = "use_broken_id",
 589             .value    = stringify(1),
 590         },
 591         { /* end of list */ }
 592     },
 593 };
 594
 595 static QEMUMachine isapc_machine = {
 596     .name = "isapc",
 597     .desc = "ISA-only PC",
 598     .init = pc_init_isa,
 599     .max_cpus = 1,
 600 };
 601
 602 #ifdef CONFIG_XEN
 603 static QEMUMachine xenfv_machine = {
 604     .name = "xenfv",
 605     .desc = "Xen Fully-virtualized PC",
 606     .init = pc_xen_hvm_init,
 607     .max_cpus = HVM_MAX_VCPUS,
 608     .default_machine_opts = "accel=xen",
 609 };
 610 #endif
 611
 612 static void pc_machine_init(void)
 613 {
 614     qemu_register_machine(&pc_machine_v1_0);
 615     qemu_register_machine(&pc_machine_v0_15);
 616     qemu_register_machine(&pc_machine_v0_14);
 617     qemu_register_machine(&pc_machine_v0_13);
 618     qemu_register_machine(&pc_machine_v0_12);
 619     qemu_register_machine(&pc_machine_v0_11);
 620     qemu_register_machine(&pc_machine_v0_10);
 621     qemu_register_machine(&isapc_machine);
 622 #ifdef CONFIG_XEN
 623     qemu_register_machine(&xenfv_machine);
 624 #endif
 625 }
 626
 627 machine_init(pc_machine_init);