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                      MemoryRegion *system_io,
  73                      ram_addr_t ram_size,
  74                      const char *boot_device,
  75                      const char *kernel_filename,
  76                      const char *kernel_cmdline,
  77                      const char *initrd_filename,
  78                      const char *cpu_model,
  79                      int pci_enabled,
  80                      int kvmclock_enabled)
  81 {
  82     int i;
  83     ram_addr_t below_4g_mem_size, above_4g_mem_size;
  84     PCIBus *pci_bus;
  85     PCII440FXState *i440fx_state;
  86     int piix3_devfn = -1;
  87     qemu_irq *cpu_irq;
  88     qemu_irq *isa_irq;
  89     qemu_irq *i8259;
  90     qemu_irq *cmos_s3;
  91     qemu_irq *smi_irq;
  92     IsaIrqState *isa_irq_state;
  93     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
  94     BusState *idebus[MAX_IDE_BUS];
  95     ISADevice *rtc_state;
  96
  97     pc_cpus_init(cpu_model);
  98
  99     if (kvmclock_enabled) {
 100         kvmclock_create();
 101     }
 102
 103     if (ram_size >= 0xe0000000 ) {
 104         above_4g_mem_size = ram_size - 0xe0000000;
 105         below_4g_mem_size = 0xe0000000;
 106     } else {
 107         above_4g_mem_size = 0;
 108         below_4g_mem_size = ram_size;
 109     }
 110
 111     /* allocate ram and load rom/bios */
 112     if (!xen_enabled()) {
 113         pc_memory_init(system_memory,
 114                        kernel_filename, kernel_cmdline, initrd_filename,
 115                        below_4g_mem_size, above_4g_mem_size);
 116     }
 117
 118     if (!xen_enabled()) {
 119         cpu_irq = pc_allocate_cpu_irq();
 120         i8259 = i8259_init(cpu_irq[0]);
 121     } else {
 122         i8259 = xen_interrupt_controller_init();
 123     }
 124     isa_irq_state = g_malloc0(sizeof(*isa_irq_state));
 125     isa_irq_state->i8259 = i8259;
 126     if (pci_enabled) {
 127         ioapic_init(isa_irq_state);
 128     }
 129     isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24);
 130
 131     if (pci_enabled) {
 132         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq,
 133                               system_memory, system_io, ram_size);
 134     } else {
 135         pci_bus = NULL;
 136         i440fx_state = NULL;
 137         isa_bus_new(NULL);
 138     }
 139     isa_bus_irqs(isa_irq);
 140
 141     pc_register_ferr_irq(isa_get_irq(13));
 142
 143     pc_vga_init(pci_enabled? pci_bus: NULL);
 144
 145     if (xen_enabled()) {
 146         pci_create_simple(pci_bus, -1, "xen-platform");
 147     }
 148
 149     /* init basic PC hardware */
 150     pc_basic_device_init(isa_irq, &rtc_state, xen_enabled());
 151
 152     for(i = 0; i < nb_nics; i++) {
 153         NICInfo *nd = &nd_table[i];
 154
 155         if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
 156             pc_init_ne2k_isa(nd);
 157         else
 158             pci_nic_init_nofail(nd, "e1000", NULL);
 159     }
 160
 161     ide_drive_get(hd, MAX_IDE_BUS);
 162     if (pci_enabled) {
 163         PCIDevice *dev;
 164         if (xen_enabled()) {
 165             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
 166         } else {
 167             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
 168         }
 169         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
 170         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
 171     } else {
 172         for(i = 0; i < MAX_IDE_BUS; i++) {
 173             ISADevice *dev;
 174             dev = isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
 175                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
 176             idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
 177         }
 178     }
 179
 180     audio_init(isa_irq, pci_enabled ? pci_bus : NULL);
 181
 182     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
 183                  idebus[0], idebus[1], rtc_state);
 184
 185     if (pci_enabled && usb_enabled) {
 186         usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
 187     }
 188
 189     if (pci_enabled && acpi_enabled) {
 190         i2c_bus *smbus;
 191
 192         if (!xen_enabled()) {
 193             cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1);
 194         } else {
 195             cmos_s3 = qemu_allocate_irqs(xen_cmos_set_s3_resume, rtc_state, 1);
 196         }
 197         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
 198         /* TODO: Populate SPD eeprom data.  */
 199         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
 200                               isa_get_irq(9), *cmos_s3, *smi_irq,
 201                               kvm_enabled());
 202         smbus_eeprom_init(smbus, 8, NULL, 0);
 203     }
 204
 205     if (i440fx_state) {
 206         i440fx_init_memory_mappings(i440fx_state);
 207     }
 208
 209     if (pci_enabled) {
 210         pc_pci_device_init(pci_bus);
 211     }
 212 }
 213
 214 static void pc_init_pci(ram_addr_t ram_size,
 215                         const char *boot_device,
 216                         const char *kernel_filename,
 217                         const char *kernel_cmdline,
 218                         const char *initrd_filename,
 219                         const char *cpu_model)
 220 {
 221     pc_init1(get_system_memory(),
 222              get_system_io(),
 223              ram_size, boot_device,
 224              kernel_filename, kernel_cmdline,
 225              initrd_filename, cpu_model, 1, 1);
 226 }
 227
 228 static void pc_init_pci_no_kvmclock(ram_addr_t ram_size,
 229                                     const char *boot_device,
 230                                     const char *kernel_filename,
 231                                     const char *kernel_cmdline,
 232                                     const char *initrd_filename,
 233                                     const char *cpu_model)
 234 {
 235     pc_init1(get_system_memory(),
 236              get_system_io(),
 237              ram_size, boot_device,
 238              kernel_filename, kernel_cmdline,
 239              initrd_filename, cpu_model, 1, 0);
 240 }
 241
 242 static void pc_init_isa(ram_addr_t ram_size,
 243                         const char *boot_device,
 244                         const char *kernel_filename,
 245                         const char *kernel_cmdline,
 246                         const char *initrd_filename,
 247                         const char *cpu_model)
 248 {
 249     if (cpu_model == NULL)
 250         cpu_model = "486";
 251     pc_init1(get_system_memory(),
 252              get_system_io(),
 253              ram_size, boot_device,
 254              kernel_filename, kernel_cmdline,
 255              initrd_filename, cpu_model, 0, 1);
 256 }
 257
 258 #ifdef CONFIG_XEN
 259 static void pc_xen_hvm_init(ram_addr_t ram_size,
 260                             const char *boot_device,
 261                             const char *kernel_filename,
 262                             const char *kernel_cmdline,
 263                             const char *initrd_filename,
 264                             const char *cpu_model)
 265 {
 266     if (xen_hvm_init() != 0) {
 267         hw_error("xen hardware virtual machine initialisation failed");
 268     }
 269     pc_init_pci_no_kvmclock(ram_size, boot_device,
 270                             kernel_filename, kernel_cmdline,
 271                             initrd_filename, cpu_model);
 272     xen_vcpu_init();
 273 }
 274 #endif
 275
 276 static QEMUMachine pc_machine = {
 277     .name = "pc-0.14",
 278     .alias = "pc",
 279     .desc = "Standard PC",
 280     .init = pc_init_pci,
 281     .max_cpus = 255,
 282     .is_default = 1,
 283 };
 284
 285 static QEMUMachine pc_machine_v0_13 = {
 286     .name = "pc-0.13",
 287     .desc = "Standard PC",
 288     .init = pc_init_pci_no_kvmclock,
 289     .max_cpus = 255,
 290     .compat_props = (GlobalProperty[]) {
 291         {
 292             .driver   = "virtio-9p-pci",
 293             .property = "vectors",
 294             .value    = stringify(0),
 295         },{
 296             .driver   = "VGA",
 297             .property = "rombar",
 298             .value    = stringify(0),
 299         },{
 300             .driver   = "vmware-svga",
 301             .property = "rombar",
 302             .value    = stringify(0),
 303         },{
 304             .driver   = "PCI",
 305             .property = "command_serr_enable",
 306             .value    = "off",
 307         },{
 308             .driver   = "virtio-blk-pci",
 309             .property = "event_idx",
 310             .value    = "off",
 311         },{
 312             .driver   = "virtio-serial-pci",
 313             .property = "event_idx",
 314             .value    = "off",
 315         },{
 316             .driver   = "virtio-net-pci",
 317             .property = "event_idx",
 318             .value    = "off",
 319         },
 320         { /* end of list */ }
 321     },
 322 };
 323
 324 static QEMUMachine pc_machine_v0_12 = {
 325     .name = "pc-0.12",
 326     .desc = "Standard PC",
 327     .init = pc_init_pci_no_kvmclock,
 328     .max_cpus = 255,
 329     .compat_props = (GlobalProperty[]) {
 330         {
 331             .driver   = "virtio-serial-pci",
 332             .property = "max_ports",
 333             .value    = stringify(1),
 334         },{
 335             .driver   = "virtio-serial-pci",
 336             .property = "vectors",
 337             .value    = stringify(0),
 338         },{
 339             .driver   = "VGA",
 340             .property = "rombar",
 341             .value    = stringify(0),
 342         },{
 343             .driver   = "vmware-svga",
 344             .property = "rombar",
 345             .value    = stringify(0),
 346         },{
 347             .driver   = "PCI",
 348             .property = "command_serr_enable",
 349             .value    = "off",
 350         },{
 351             .driver   = "virtio-blk-pci",
 352             .property = "event_idx",
 353             .value    = "off",
 354         },{
 355             .driver   = "virtio-serial-pci",
 356             .property = "event_idx",
 357             .value    = "off",
 358         },{
 359             .driver   = "virtio-net-pci",
 360             .property = "event_idx",
 361             .value    = "off",
 362         },
 363         { /* end of list */ }
 364     }
 365 };
 366
 367 static QEMUMachine pc_machine_v0_11 = {
 368     .name = "pc-0.11",
 369     .desc = "Standard PC, qemu 0.11",
 370     .init = pc_init_pci_no_kvmclock,
 371     .max_cpus = 255,
 372     .compat_props = (GlobalProperty[]) {
 373         {
 374             .driver   = "virtio-blk-pci",
 375             .property = "vectors",
 376             .value    = stringify(0),
 377         },{
 378             .driver   = "virtio-serial-pci",
 379             .property = "max_ports",
 380             .value    = stringify(1),
 381         },{
 382             .driver   = "virtio-serial-pci",
 383             .property = "vectors",
 384             .value    = stringify(0),
 385         },{
 386             .driver   = "ide-drive",
 387             .property = "ver",
 388             .value    = "0.11",
 389         },{
 390             .driver   = "scsi-disk",
 391             .property = "ver",
 392             .value    = "0.11",
 393         },{
 394             .driver   = "PCI",
 395             .property = "rombar",
 396             .value    = stringify(0),
 397         },{
 398             .driver   = "PCI",
 399             .property = "command_serr_enable",
 400             .value    = "off",
 401         },{
 402             .driver   = "virtio-blk-pci",
 403             .property = "event_idx",
 404             .value    = "off",
 405         },{
 406             .driver   = "virtio-serial-pci",
 407             .property = "event_idx",
 408             .value    = "off",
 409         },{
 410             .driver   = "virtio-net-pci",
 411             .property = "event_idx",
 412             .value    = "off",
 413         },
 414         { /* end of list */ }
 415     }
 416 };
 417
 418 static QEMUMachine pc_machine_v0_10 = {
 419     .name = "pc-0.10",
 420     .desc = "Standard PC, qemu 0.10",
 421     .init = pc_init_pci_no_kvmclock,
 422     .max_cpus = 255,
 423     .compat_props = (GlobalProperty[]) {
 424         {
 425             .driver   = "virtio-blk-pci",
 426             .property = "class",
 427             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
 428         },{
 429             .driver   = "virtio-serial-pci",
 430             .property = "class",
 431             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
 432         },{
 433             .driver   = "virtio-serial-pci",
 434             .property = "max_ports",
 435             .value    = stringify(1),
 436         },{
 437             .driver   = "virtio-serial-pci",
 438             .property = "vectors",
 439             .value    = stringify(0),
 440         },{
 441             .driver   = "virtio-net-pci",
 442             .property = "vectors",
 443             .value    = stringify(0),
 444         },{
 445             .driver   = "virtio-blk-pci",
 446             .property = "vectors",
 447             .value    = stringify(0),
 448         },{
 449             .driver   = "ide-drive",
 450             .property = "ver",
 451             .value    = "0.10",
 452         },{
 453             .driver   = "scsi-disk",
 454             .property = "ver",
 455             .value    = "0.10",
 456         },{
 457             .driver   = "PCI",
 458             .property = "rombar",
 459             .value    = stringify(0),
 460         },{
 461             .driver   = "PCI",
 462             .property = "command_serr_enable",
 463             .value    = "off",
 464         },{
 465             .driver   = "virtio-blk-pci",
 466             .property = "event_idx",
 467             .value    = "off",
 468         },{
 469             .driver   = "virtio-serial-pci",
 470             .property = "event_idx",
 471             .value    = "off",
 472         },{
 473             .driver   = "virtio-net-pci",
 474             .property = "event_idx",
 475             .value    = "off",
 476         },
 477         { /* end of list */ }
 478     },
 479 };
 480
 481 static QEMUMachine isapc_machine = {
 482     .name = "isapc",
 483     .desc = "ISA-only PC",
 484     .init = pc_init_isa,
 485     .max_cpus = 1,
 486 };
 487
 488 #ifdef CONFIG_XEN
 489 static QEMUMachine xenfv_machine = {
 490     .name = "xenfv",
 491     .desc = "Xen Fully-virtualized PC",
 492     .init = pc_xen_hvm_init,
 493     .max_cpus = HVM_MAX_VCPUS,
 494     .default_machine_opts = "accel=xen",
 495 };
 496 #endif
 497
 498 static void pc_machine_init(void)
 499 {
 500     qemu_register_machine(&pc_machine);
 501     qemu_register_machine(&pc_machine_v0_13);
 502     qemu_register_machine(&pc_machine_v0_12);
 503     qemu_register_machine(&pc_machine_v0_11);
 504     qemu_register_machine(&pc_machine_v0_10);
 505     qemu_register_machine(&isapc_machine);
 506 #ifdef CONFIG_XEN
 507     qemu_register_machine(&xenfv_machine);
 508 #endif
 509 }
 510
 511 machine_init(pc_machine_init);