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 #ifdef CONFIG_XEN
  43 #  include <xen/hvm/hvm_info_table.h>
  44 #endif
  45
  46 #define MAX_IDE_BUS 2
  47
  48 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
  49 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
  50 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
  51
  52 static void ioapic_init(IsaIrqState *isa_irq_state)
  53 {
  54     DeviceState *dev;
  55     SysBusDevice *d;
  56     unsigned int i;
  57
  58     dev = qdev_create(NULL, "ioapic");
  59     qdev_init_nofail(dev);
  60     d = sysbus_from_qdev(dev);
  61     sysbus_mmio_map(d, 0, 0xfec00000);
  62
  63     for (i = 0; i < IOAPIC_NUM_PINS; i++) {
  64         isa_irq_state->ioapic[i] = qdev_get_gpio_in(dev, i);
  65     }
  66 }
  67
  68 /* PC hardware initialisation */
  69 static void pc_init1(ram_addr_t ram_size,
  70                      const char *boot_device,
  71                      const char *kernel_filename,
  72                      const char *kernel_cmdline,
  73                      const char *initrd_filename,
  74                      const char *cpu_model,
  75                      int pci_enabled,
  76                      int kvmclock_enabled)
  77 {
  78     int i;
  79     ram_addr_t below_4g_mem_size, above_4g_mem_size;
  80     PCIBus *pci_bus;
  81     PCII440FXState *i440fx_state;
  82     int piix3_devfn = -1;
  83     qemu_irq *cpu_irq;
  84     qemu_irq *isa_irq;
  85     qemu_irq *i8259;
  86     qemu_irq *cmos_s3;
  87     qemu_irq *smi_irq;
  88     IsaIrqState *isa_irq_state;
  89     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
  90     BusState *idebus[MAX_IDE_BUS];
  91     ISADevice *rtc_state;
  92
  93     pc_cpus_init(cpu_model);
  94
  95     if (kvmclock_enabled) {
  96         kvmclock_create();
  97     }
  98
  99     if (ram_size >= 0xe0000000 ) {
 100         above_4g_mem_size = ram_size - 0xe0000000;
 101         below_4g_mem_size = 0xe0000000;
 102     } else {
 103         above_4g_mem_size = 0;
 104         below_4g_mem_size = ram_size;
 105     }
 106
 107     /* allocate ram and load rom/bios */
 108     if (!xen_enabled()) {
 109         pc_memory_init(kernel_filename, kernel_cmdline, initrd_filename,
 110                        below_4g_mem_size, above_4g_mem_size);
 111     }
 112
 113     cpu_irq = pc_allocate_cpu_irq();
 114     i8259 = i8259_init(cpu_irq[0]);
 115     isa_irq_state = qemu_mallocz(sizeof(*isa_irq_state));
 116     isa_irq_state->i8259 = i8259;
 117     if (pci_enabled) {
 118         ioapic_init(isa_irq_state);
 119     }
 120     isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24);
 121
 122     if (pci_enabled) {
 123         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq, ram_size);
 124     } else {
 125         pci_bus = NULL;
 126         i440fx_state = NULL;
 127         isa_bus_new(NULL);
 128     }
 129     isa_bus_irqs(isa_irq);
 130
 131     pc_register_ferr_irq(isa_get_irq(13));
 132
 133     pc_vga_init(pci_enabled? pci_bus: NULL);
 134
 135     /* init basic PC hardware */
 136     pc_basic_device_init(isa_irq, &rtc_state);
 137
 138     for(i = 0; i < nb_nics; i++) {
 139         NICInfo *nd = &nd_table[i];
 140
 141         if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
 142             pc_init_ne2k_isa(nd);
 143         else
 144             pci_nic_init_nofail(nd, "e1000", NULL);
 145     }
 146
 147     ide_drive_get(hd, MAX_IDE_BUS);
 148     if (pci_enabled) {
 149         PCIDevice *dev;
 150         dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
 151         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
 152         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
 153     } else {
 154         for(i = 0; i < MAX_IDE_BUS; i++) {
 155             ISADevice *dev;
 156             dev = isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
 157                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
 158             idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
 159         }
 160     }
 161
 162     audio_init(isa_irq, pci_enabled ? pci_bus : NULL);
 163
 164     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
 165                  idebus[0], idebus[1], rtc_state);
 166
 167     if (pci_enabled && usb_enabled) {
 168         usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
 169     }
 170
 171     if (pci_enabled && acpi_enabled) {
 172         i2c_bus *smbus;
 173
 174         cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1);
 175         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
 176         /* TODO: Populate SPD eeprom data.  */
 177         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
 178                               isa_get_irq(9), *cmos_s3, *smi_irq,
 179                               kvm_enabled());
 180         smbus_eeprom_init(smbus, 8, NULL, 0);
 181     }
 182
 183     if (i440fx_state) {
 184         i440fx_init_memory_mappings(i440fx_state);
 185     }
 186
 187     if (pci_enabled) {
 188         pc_pci_device_init(pci_bus);
 189     }
 190 }
 191
 192 static void pc_init_pci(ram_addr_t ram_size,
 193                         const char *boot_device,
 194                         const char *kernel_filename,
 195                         const char *kernel_cmdline,
 196                         const char *initrd_filename,
 197                         const char *cpu_model)
 198 {
 199     pc_init1(ram_size, boot_device,
 200              kernel_filename, kernel_cmdline,
 201              initrd_filename, cpu_model, 1, 1);
 202 }
 203
 204 static void pc_init_pci_no_kvmclock(ram_addr_t ram_size,
 205                                     const char *boot_device,
 206                                     const char *kernel_filename,
 207                                     const char *kernel_cmdline,
 208                                     const char *initrd_filename,
 209                                     const char *cpu_model)
 210 {
 211     pc_init1(ram_size, boot_device,
 212              kernel_filename, kernel_cmdline,
 213              initrd_filename, cpu_model, 1, 0);
 214 }
 215
 216 static void pc_init_isa(ram_addr_t ram_size,
 217                         const char *boot_device,
 218                         const char *kernel_filename,
 219                         const char *kernel_cmdline,
 220                         const char *initrd_filename,
 221                         const char *cpu_model)
 222 {
 223     if (cpu_model == NULL)
 224         cpu_model = "486";
 225     pc_init1(ram_size, boot_device,
 226              kernel_filename, kernel_cmdline,
 227              initrd_filename, cpu_model, 0, 1);
 228 }
 229
 230 #ifdef CONFIG_XEN
 231 static void pc_xen_hvm_init(ram_addr_t ram_size,
 232                             const char *boot_device,
 233                             const char *kernel_filename,
 234                             const char *kernel_cmdline,
 235                             const char *initrd_filename,
 236                             const char *cpu_model)
 237 {
 238     if (xen_hvm_init() != 0) {
 239         hw_error("xen hardware virtual machine initialisation failed");
 240     }
 241     pc_init_pci_no_kvmclock(ram_size, boot_device,
 242                             kernel_filename, kernel_cmdline,
 243                             initrd_filename, cpu_model);
 244     xen_vcpu_init();
 245 }
 246 #endif
 247
 248 static QEMUMachine pc_machine = {
 249     .name = "pc-0.14",
 250     .alias = "pc",
 251     .desc = "Standard PC",
 252     .init = pc_init_pci,
 253     .max_cpus = 255,
 254     .is_default = 1,
 255 };
 256
 257 static QEMUMachine pc_machine_v0_13 = {
 258     .name = "pc-0.13",
 259     .desc = "Standard PC",
 260     .init = pc_init_pci_no_kvmclock,
 261     .max_cpus = 255,
 262     .compat_props = (GlobalProperty[]) {
 263         {
 264             .driver   = "virtio-9p-pci",
 265             .property = "vectors",
 266             .value    = stringify(0),
 267         },{
 268             .driver   = "VGA",
 269             .property = "rombar",
 270             .value    = stringify(0),
 271         },{
 272             .driver   = "vmware-svga",
 273             .property = "rombar",
 274             .value    = stringify(0),
 275         },{
 276             .driver   = "PCI",
 277             .property = "command_serr_enable",
 278             .value    = "off",
 279         },
 280         { /* end of list */ }
 281     },
 282 };
 283
 284 static QEMUMachine pc_machine_v0_12 = {
 285     .name = "pc-0.12",
 286     .desc = "Standard PC",
 287     .init = pc_init_pci_no_kvmclock,
 288     .max_cpus = 255,
 289     .compat_props = (GlobalProperty[]) {
 290         {
 291             .driver   = "virtio-serial-pci",
 292             .property = "max_ports",
 293             .value    = stringify(1),
 294         },{
 295             .driver   = "virtio-serial-pci",
 296             .property = "vectors",
 297             .value    = stringify(0),
 298         },{
 299             .driver   = "VGA",
 300             .property = "rombar",
 301             .value    = stringify(0),
 302         },{
 303             .driver   = "vmware-svga",
 304             .property = "rombar",
 305             .value    = stringify(0),
 306         },{
 307             .driver   = "PCI",
 308             .property = "command_serr_enable",
 309             .value    = "off",
 310         },
 311         { /* end of list */ }
 312     }
 313 };
 314
 315 static QEMUMachine pc_machine_v0_11 = {
 316     .name = "pc-0.11",
 317     .desc = "Standard PC, qemu 0.11",
 318     .init = pc_init_pci_no_kvmclock,
 319     .max_cpus = 255,
 320     .compat_props = (GlobalProperty[]) {
 321         {
 322             .driver   = "virtio-blk-pci",
 323             .property = "vectors",
 324             .value    = stringify(0),
 325         },{
 326             .driver   = "virtio-serial-pci",
 327             .property = "max_ports",
 328             .value    = stringify(1),
 329         },{
 330             .driver   = "virtio-serial-pci",
 331             .property = "vectors",
 332             .value    = stringify(0),
 333         },{
 334             .driver   = "ide-drive",
 335             .property = "ver",
 336             .value    = "0.11",
 337         },{
 338             .driver   = "scsi-disk",
 339             .property = "ver",
 340             .value    = "0.11",
 341         },{
 342             .driver   = "PCI",
 343             .property = "rombar",
 344             .value    = stringify(0),
 345         },{
 346             .driver   = "PCI",
 347             .property = "command_serr_enable",
 348             .value    = "off",
 349         },
 350         { /* end of list */ }
 351     }
 352 };
 353
 354 static QEMUMachine pc_machine_v0_10 = {
 355     .name = "pc-0.10",
 356     .desc = "Standard PC, qemu 0.10",
 357     .init = pc_init_pci_no_kvmclock,
 358     .max_cpus = 255,
 359     .compat_props = (GlobalProperty[]) {
 360         {
 361             .driver   = "virtio-blk-pci",
 362             .property = "class",
 363             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
 364         },{
 365             .driver   = "virtio-serial-pci",
 366             .property = "class",
 367             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
 368         },{
 369             .driver   = "virtio-serial-pci",
 370             .property = "max_ports",
 371             .value    = stringify(1),
 372         },{
 373             .driver   = "virtio-serial-pci",
 374             .property = "vectors",
 375             .value    = stringify(0),
 376         },{
 377             .driver   = "virtio-net-pci",
 378             .property = "vectors",
 379             .value    = stringify(0),
 380         },{
 381             .driver   = "virtio-blk-pci",
 382             .property = "vectors",
 383             .value    = stringify(0),
 384         },{
 385             .driver   = "ide-drive",
 386             .property = "ver",
 387             .value    = "0.10",
 388         },{
 389             .driver   = "scsi-disk",
 390             .property = "ver",
 391             .value    = "0.10",
 392         },{
 393             .driver   = "PCI",
 394             .property = "rombar",
 395             .value    = stringify(0),
 396         },{
 397             .driver   = "PCI",
 398             .property = "command_serr_enable",
 399             .value    = "off",
 400         },
 401         { /* end of list */ }
 402     },
 403 };
 404
 405 static QEMUMachine isapc_machine = {
 406     .name = "isapc",
 407     .desc = "ISA-only PC",
 408     .init = pc_init_isa,
 409     .max_cpus = 1,
 410 };
 411
 412 #ifdef CONFIG_XEN
 413 static QEMUMachine xenfv_machine = {
 414     .name = "xenfv",
 415     .desc = "Xen Fully-virtualized PC",
 416     .init = pc_xen_hvm_init,
 417     .max_cpus = HVM_MAX_VCPUS,
 418     .default_machine_opts = "accel=xen",
 419 };
 420 #endif
 421
 422 static void pc_machine_init(void)
 423 {
 424     qemu_register_machine(&pc_machine);
 425     qemu_register_machine(&pc_machine_v0_13);
 426     qemu_register_machine(&pc_machine_v0_12);
 427     qemu_register_machine(&pc_machine_v0_11);
 428     qemu_register_machine(&pc_machine_v0_10);
 429     qemu_register_machine(&isapc_machine);
 430 #ifdef CONFIG_XEN
 431     qemu_register_machine(&xenfv_machine);
 432 #endif
 433 }
 434
 435 machine_init(pc_machine_init);