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 "hw.h"
  26 #include "pc.h"
  27 #include "apic.h"
  28 #include "pci.h"
  29 #include "usb-uhci.h"
  30 #include "usb-ohci.h"
  31 #include "net.h"
  32 #include "boards.h"
  33 #include "ide.h"
  34 #include "kvm.h"
  35 #include "kvmclock.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 ioapic_init(IsaIrqState *isa_irq_state)
  55 {
  56     DeviceState *dev;
  57     SysBusDevice *d;
  58     unsigned int i;
  59
  60     dev = qdev_create(NULL, "ioapic");
  61     qdev_init_nofail(dev);
  62     d = sysbus_from_qdev(dev);
  63     sysbus_mmio_map(d, 0, 0xfec00000);
  64
  65     for (i = 0; i < IOAPIC_NUM_PINS; i++) {
  66         isa_irq_state->ioapic[i] = qdev_get_gpio_in(dev, i);
  67     }
  68 }
  69
  70 /* PC hardware initialisation */
  71 static void pc_init1(MemoryRegion *system_memory,
  72                      ram_addr_t ram_size,
  73                      const char *boot_device,
  74                      const char *kernel_filename,
  75                      const char *kernel_cmdline,
  76                      const char *initrd_filename,
  77                      const char *cpu_model,
  78                      int pci_enabled,
  79                      int kvmclock_enabled)
  80 {
  81     int i;
  82     ram_addr_t below_4g_mem_size, above_4g_mem_size;
  83     PCIBus *pci_bus;
  84     PCII440FXState *i440fx_state;
  85     int piix3_devfn = -1;
  86     qemu_irq *cpu_irq;
  87     qemu_irq *isa_irq;
  88     qemu_irq *i8259;
  89     qemu_irq *cmos_s3;
  90     qemu_irq *smi_irq;
  91     IsaIrqState *isa_irq_state;
  92     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
  93     BusState *idebus[MAX_IDE_BUS];
  94     ISADevice *rtc_state;
  95
  96     pc_cpus_init(cpu_model);
  97
  98     if (kvmclock_enabled) {
  99         kvmclock_create();
 100     }
 101
 102     if (ram_size >= 0xe0000000 ) {
 103         above_4g_mem_size = ram_size - 0xe0000000;
 104         below_4g_mem_size = 0xe0000000;
 105     } else {
 106         above_4g_mem_size = 0;
 107         below_4g_mem_size = ram_size;
 108     }
 109
 110     /* allocate ram and load rom/bios */
 111     if (!xen_enabled()) {
 112         pc_memory_init(system_memory,
 113                        kernel_filename, kernel_cmdline, initrd_filename,
 114                        below_4g_mem_size, above_4g_mem_size);
 115     }
 116
 117     if (!xen_enabled()) {
 118         cpu_irq = pc_allocate_cpu_irq();
 119         i8259 = i8259_init(cpu_irq[0]);
 120     } else {
 121         i8259 = xen_interrupt_controller_init();
 122     }
 123     isa_irq_state = qemu_mallocz(sizeof(*isa_irq_state));
 124     isa_irq_state->i8259 = i8259;
 125     if (pci_enabled) {
 126         ioapic_init(isa_irq_state);
 127     }
 128     isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24);
 129
 130     if (pci_enabled) {
 131         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq,
 132                               system_memory, ram_size);
 133     } else {
 134         pci_bus = NULL;
 135         i440fx_state = NULL;
 136         isa_bus_new(NULL);
 137     }
 138     isa_bus_irqs(isa_irq);
 139
 140     pc_register_ferr_irq(isa_get_irq(13));
 141
 142     pc_vga_init(pci_enabled? pci_bus: NULL);
 143
 144     if (xen_enabled()) {
 145         pci_create_simple(pci_bus, -1, "xen-platform");
 146     }
 147
 148     /* init basic PC hardware */
 149     pc_basic_device_init(isa_irq, &rtc_state, xen_enabled());
 150
 151     for(i = 0; i < nb_nics; i++) {
 152         NICInfo *nd = &nd_table[i];
 153
 154         if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
 155             pc_init_ne2k_isa(nd);
 156         else
 157             pci_nic_init_nofail(nd, "e1000", NULL);
 158     }
 159
 160     ide_drive_get(hd, MAX_IDE_BUS);
 161     if (pci_enabled) {
 162         PCIDevice *dev;
 163         dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
 164         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
 165         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
 166     } else {
 167         for(i = 0; i < MAX_IDE_BUS; i++) {
 168             ISADevice *dev;
 169             dev = isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
 170                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
 171             idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
 172         }
 173     }
 174
 175     audio_init(isa_irq, pci_enabled ? pci_bus : NULL);
 176
 177     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
 178                  idebus[0], idebus[1], rtc_state);
 179
 180     if (pci_enabled && usb_enabled) {
 181         usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
 182     }
 183
 184     if (pci_enabled && acpi_enabled) {
 185         i2c_bus *smbus;
 186
 187         if (!xen_enabled()) {
 188             cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1);
 189         } else {
 190             cmos_s3 = qemu_allocate_irqs(xen_cmos_set_s3_resume, rtc_state, 1);
 191         }
 192         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
 193         /* TODO: Populate SPD eeprom data.  */
 194         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
 195                               isa_get_irq(9), *cmos_s3, *smi_irq,
 196                               kvm_enabled());
 197         smbus_eeprom_init(smbus, 8, NULL, 0);
 198     }
 199
 200     if (i440fx_state) {
 201         i440fx_init_memory_mappings(i440fx_state);
 202     }
 203
 204     if (pci_enabled) {
 205         pc_pci_device_init(pci_bus);
 206     }
 207 }
 208
 209 static void pc_init_pci(ram_addr_t ram_size,
 210                         const char *boot_device,
 211                         const char *kernel_filename,
 212                         const char *kernel_cmdline,
 213                         const char *initrd_filename,
 214                         const char *cpu_model)
 215 {
 216     pc_init1(get_system_memory(),
 217              ram_size, boot_device,
 218              kernel_filename, kernel_cmdline,
 219              initrd_filename, cpu_model, 1, 1);
 220 }
 221
 222 static void pc_init_pci_no_kvmclock(ram_addr_t ram_size,
 223                                     const char *boot_device,
 224                                     const char *kernel_filename,
 225                                     const char *kernel_cmdline,
 226                                     const char *initrd_filename,
 227                                     const char *cpu_model)
 228 {
 229     pc_init1(get_system_memory(),
 230              ram_size, boot_device,
 231              kernel_filename, kernel_cmdline,
 232              initrd_filename, cpu_model, 1, 0);
 233 }
 234
 235 static void pc_init_isa(ram_addr_t ram_size,
 236                         const char *boot_device,
 237                         const char *kernel_filename,
 238                         const char *kernel_cmdline,
 239                         const char *initrd_filename,
 240                         const char *cpu_model)
 241 {
 242     if (cpu_model == NULL)
 243         cpu_model = "486";
 244     pc_init1(get_system_memory(),
 245              ram_size, boot_device,
 246              kernel_filename, kernel_cmdline,
 247              initrd_filename, cpu_model, 0, 1);
 248 }
 249
 250 #ifdef CONFIG_XEN
 251 static void pc_xen_hvm_init(ram_addr_t ram_size,
 252                             const char *boot_device,
 253                             const char *kernel_filename,
 254                             const char *kernel_cmdline,
 255                             const char *initrd_filename,
 256                             const char *cpu_model)
 257 {
 258     if (xen_hvm_init() != 0) {
 259         hw_error("xen hardware virtual machine initialisation failed");
 260     }
 261     pc_init_pci_no_kvmclock(ram_size, boot_device,
 262                             kernel_filename, kernel_cmdline,
 263                             initrd_filename, cpu_model);
 264     xen_vcpu_init();
 265 }
 266 #endif
 267
 268 static QEMUMachine pc_machine = {
 269     .name = "pc-0.14",
 270     .alias = "pc",
 271     .desc = "Standard PC",
 272     .init = pc_init_pci,
 273     .max_cpus = 255,
 274     .is_default = 1,
 275 };
 276
 277 static QEMUMachine pc_machine_v0_13 = {
 278     .name = "pc-0.13",
 279     .desc = "Standard PC",
 280     .init = pc_init_pci_no_kvmclock,
 281     .max_cpus = 255,
 282     .compat_props = (GlobalProperty[]) {
 283         {
 284             .driver   = "virtio-9p-pci",
 285             .property = "vectors",
 286             .value    = stringify(0),
 287         },{
 288             .driver   = "VGA",
 289             .property = "rombar",
 290             .value    = stringify(0),
 291         },{
 292             .driver   = "vmware-svga",
 293             .property = "rombar",
 294             .value    = stringify(0),
 295         },{
 296             .driver   = "PCI",
 297             .property = "command_serr_enable",
 298             .value    = "off",
 299         },{
 300             .driver   = "virtio-blk-pci",
 301             .property = "event_idx",
 302             .value    = "off",
 303         },{
 304             .driver   = "virtio-serial-pci",
 305             .property = "event_idx",
 306             .value    = "off",
 307         },{
 308             .driver   = "virtio-net-pci",
 309             .property = "event_idx",
 310             .value    = "off",
 311         },
 312         { /* end of list */ }
 313     },
 314 };
 315
 316 static QEMUMachine pc_machine_v0_12 = {
 317     .name = "pc-0.12",
 318     .desc = "Standard PC",
 319     .init = pc_init_pci_no_kvmclock,
 320     .max_cpus = 255,
 321     .compat_props = (GlobalProperty[]) {
 322         {
 323             .driver   = "virtio-serial-pci",
 324             .property = "max_ports",
 325             .value    = stringify(1),
 326         },{
 327             .driver   = "virtio-serial-pci",
 328             .property = "vectors",
 329             .value    = stringify(0),
 330         },{
 331             .driver   = "VGA",
 332             .property = "rombar",
 333             .value    = stringify(0),
 334         },{
 335             .driver   = "vmware-svga",
 336             .property = "rombar",
 337             .value    = stringify(0),
 338         },{
 339             .driver   = "PCI",
 340             .property = "command_serr_enable",
 341             .value    = "off",
 342         },{
 343             .driver   = "virtio-blk-pci",
 344             .property = "event_idx",
 345             .value    = "off",
 346         },{
 347             .driver   = "virtio-serial-pci",
 348             .property = "event_idx",
 349             .value    = "off",
 350         },{
 351             .driver   = "virtio-net-pci",
 352             .property = "event_idx",
 353             .value    = "off",
 354         },
 355         { /* end of list */ }
 356     }
 357 };
 358
 359 static QEMUMachine pc_machine_v0_11 = {
 360     .name = "pc-0.11",
 361     .desc = "Standard PC, qemu 0.11",
 362     .init = pc_init_pci_no_kvmclock,
 363     .max_cpus = 255,
 364     .compat_props = (GlobalProperty[]) {
 365         {
 366             .driver   = "virtio-blk-pci",
 367             .property = "vectors",
 368             .value    = stringify(0),
 369         },{
 370             .driver   = "virtio-serial-pci",
 371             .property = "max_ports",
 372             .value    = stringify(1),
 373         },{
 374             .driver   = "virtio-serial-pci",
 375             .property = "vectors",
 376             .value    = stringify(0),
 377         },{
 378             .driver   = "ide-drive",
 379             .property = "ver",
 380             .value    = "0.11",
 381         },{
 382             .driver   = "scsi-disk",
 383             .property = "ver",
 384             .value    = "0.11",
 385         },{
 386             .driver   = "PCI",
 387             .property = "rombar",
 388             .value    = stringify(0),
 389         },{
 390             .driver   = "PCI",
 391             .property = "command_serr_enable",
 392             .value    = "off",
 393         },{
 394             .driver   = "virtio-blk-pci",
 395             .property = "event_idx",
 396             .value    = "off",
 397         },{
 398             .driver   = "virtio-serial-pci",
 399             .property = "event_idx",
 400             .value    = "off",
 401         },{
 402             .driver   = "virtio-net-pci",
 403             .property = "event_idx",
 404             .value    = "off",
 405         },
 406         { /* end of list */ }
 407     }
 408 };
 409
 410 static QEMUMachine pc_machine_v0_10 = {
 411     .name = "pc-0.10",
 412     .desc = "Standard PC, qemu 0.10",
 413     .init = pc_init_pci_no_kvmclock,
 414     .max_cpus = 255,
 415     .compat_props = (GlobalProperty[]) {
 416         {
 417             .driver   = "virtio-blk-pci",
 418             .property = "class",
 419             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
 420         },{
 421             .driver   = "virtio-serial-pci",
 422             .property = "class",
 423             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
 424         },{
 425             .driver   = "virtio-serial-pci",
 426             .property = "max_ports",
 427             .value    = stringify(1),
 428         },{
 429             .driver   = "virtio-serial-pci",
 430             .property = "vectors",
 431             .value    = stringify(0),
 432         },{
 433             .driver   = "virtio-net-pci",
 434             .property = "vectors",
 435             .value    = stringify(0),
 436         },{
 437             .driver   = "virtio-blk-pci",
 438             .property = "vectors",
 439             .value    = stringify(0),
 440         },{
 441             .driver   = "ide-drive",
 442             .property = "ver",
 443             .value    = "0.10",
 444         },{
 445             .driver   = "scsi-disk",
 446             .property = "ver",
 447             .value    = "0.10",
 448         },{
 449             .driver   = "PCI",
 450             .property = "rombar",
 451             .value    = stringify(0),
 452         },{
 453             .driver   = "PCI",
 454             .property = "command_serr_enable",
 455             .value    = "off",
 456         },{
 457             .driver   = "virtio-blk-pci",
 458             .property = "event_idx",
 459             .value    = "off",
 460         },{
 461             .driver   = "virtio-serial-pci",
 462             .property = "event_idx",
 463             .value    = "off",
 464         },{
 465             .driver   = "virtio-net-pci",
 466             .property = "event_idx",
 467             .value    = "off",
 468         },
 469         { /* end of list */ }
 470     },
 471 };
 472
 473 static QEMUMachine isapc_machine = {
 474     .name = "isapc",
 475     .desc = "ISA-only PC",
 476     .init = pc_init_isa,
 477     .max_cpus = 1,
 478 };
 479
 480 #ifdef CONFIG_XEN
 481 static QEMUMachine xenfv_machine = {
 482     .name = "xenfv",
 483     .desc = "Xen Fully-virtualized PC",
 484     .init = pc_xen_hvm_init,
 485     .max_cpus = HVM_MAX_VCPUS,
 486     .default_machine_opts = "accel=xen",
 487 };
 488 #endif
 489
 490 static void pc_machine_init(void)
 491 {
 492     qemu_register_machine(&pc_machine);
 493     qemu_register_machine(&pc_machine_v0_13);
 494     qemu_register_machine(&pc_machine_v0_12);
 495     qemu_register_machine(&pc_machine_v0_11);
 496     qemu_register_machine(&pc_machine_v0_10);
 497     qemu_register_machine(&isapc_machine);
 498 #ifdef CONFIG_XEN
 499     qemu_register_machine(&xenfv_machine);
 500 #endif
 501 }
 502
 503 machine_init(pc_machine_init);