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 "sysemu.h"
  36 #include "sysbus.h"
  37 #include "arch_init.h"
  38 #include "blockdev.h"
  39
  40 #define MAX_IDE_BUS 2
  41
  42 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
  43 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
  44 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
  45
  46 static void ioapic_init(IsaIrqState *isa_irq_state)
  47 {
  48     DeviceState *dev;
  49     SysBusDevice *d;
  50     unsigned int i;
  51
  52     dev = qdev_create(NULL, "ioapic");
  53     qdev_init_nofail(dev);
  54     d = sysbus_from_qdev(dev);
  55     sysbus_mmio_map(d, 0, 0xfec00000);
  56
  57     for (i = 0; i < IOAPIC_NUM_PINS; i++) {
  58         isa_irq_state->ioapic[i] = qdev_get_gpio_in(dev, i);
  59     }
  60 }
  61
  62 /* PC hardware initialisation */
  63 static void pc_init1(ram_addr_t ram_size,
  64                      const char *boot_device,
  65                      const char *kernel_filename,
  66                      const char *kernel_cmdline,
  67                      const char *initrd_filename,
  68                      const char *cpu_model,
  69                      int pci_enabled)
  70 {
  71     int i;
  72     ram_addr_t below_4g_mem_size, above_4g_mem_size;
  73     PCIBus *pci_bus;
  74     PCII440FXState *i440fx_state;
  75     int piix3_devfn = -1;
  76     qemu_irq *cpu_irq;
  77     qemu_irq *isa_irq;
  78     qemu_irq *i8259;
  79     qemu_irq *cmos_s3;
  80     qemu_irq *smi_irq;
  81     IsaIrqState *isa_irq_state;
  82     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
  83     FDCtrl *floppy_controller;
  84     BusState *idebus[MAX_IDE_BUS];
  85     ISADevice *rtc_state;
  86
  87     pc_cpus_init(cpu_model);
  88
  89     vmport_init();
  90
  91     /* allocate ram and load rom/bios */
  92     pc_memory_init(ram_size, kernel_filename, kernel_cmdline, initrd_filename,
  93                    &below_4g_mem_size, &above_4g_mem_size);
  94
  95     cpu_irq = pc_allocate_cpu_irq();
  96     i8259 = i8259_init(cpu_irq[0]);
  97     isa_irq_state = qemu_mallocz(sizeof(*isa_irq_state));
  98     isa_irq_state->i8259 = i8259;
  99     if (pci_enabled) {
 100         ioapic_init(isa_irq_state);
 101     }
 102     isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24);
 103
 104     if (pci_enabled) {
 105         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq, ram_size);
 106     } else {
 107         pci_bus = NULL;
 108         i440fx_state = NULL;
 109         isa_bus_new(NULL);
 110     }
 111     isa_bus_irqs(isa_irq);
 112
 113     pc_register_ferr_irq(isa_reserve_irq(13));
 114
 115     pc_vga_init(pci_enabled? pci_bus: NULL);
 116
 117     /* init basic PC hardware */
 118     pc_basic_device_init(isa_irq, &floppy_controller, &rtc_state);
 119
 120     for(i = 0; i < nb_nics; i++) {
 121         NICInfo *nd = &nd_table[i];
 122
 123         if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
 124             pc_init_ne2k_isa(nd);
 125         else
 126             pci_nic_init_nofail(nd, "e1000", NULL);
 127     }
 128
 129     if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
 130         fprintf(stderr, "qemu: too many IDE bus\n");
 131         exit(1);
 132     }
 133
 134     for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
 135         hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
 136     }
 137
 138     if (pci_enabled) {
 139         PCIDevice *dev;
 140         dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
 141         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
 142         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
 143     } else {
 144         for(i = 0; i < MAX_IDE_BUS; i++) {
 145             ISADevice *dev;
 146             dev = isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
 147                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
 148             idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
 149         }
 150     }
 151
 152     audio_init(isa_irq, pci_enabled ? pci_bus : NULL);
 153
 154     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
 155                  idebus[0], idebus[1], floppy_controller, rtc_state);
 156
 157     if (pci_enabled && usb_enabled) {
 158         usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
 159     }
 160
 161     if (pci_enabled && acpi_enabled) {
 162         uint8_t *eeprom_buf = qemu_mallocz(8 * 256); /* XXX: make this persistent */
 163         i2c_bus *smbus;
 164
 165         cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1);
 166         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
 167         /* TODO: Populate SPD eeprom data.  */
 168         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
 169                               isa_reserve_irq(9), *cmos_s3, *smi_irq,
 170                               kvm_enabled());
 171         for (i = 0; i < 8; i++) {
 172             DeviceState *eeprom;
 173             eeprom = qdev_create((BusState *)smbus, "smbus-eeprom");
 174             qdev_prop_set_uint8(eeprom, "address", 0x50 + i);
 175             qdev_prop_set_ptr(eeprom, "data", eeprom_buf + (i * 256));
 176             qdev_init_nofail(eeprom);
 177         }
 178     }
 179
 180     if (i440fx_state) {
 181         i440fx_init_memory_mappings(i440fx_state);
 182     }
 183
 184     if (pci_enabled) {
 185         pc_pci_device_init(pci_bus);
 186     }
 187 }
 188
 189 static void pc_init_pci(ram_addr_t ram_size,
 190                         const char *boot_device,
 191                         const char *kernel_filename,
 192                         const char *kernel_cmdline,
 193                         const char *initrd_filename,
 194                         const char *cpu_model)
 195 {
 196     pc_init1(ram_size, boot_device,
 197              kernel_filename, kernel_cmdline,
 198              initrd_filename, cpu_model, 1);
 199 }
 200
 201 static void pc_init_isa(ram_addr_t ram_size,
 202                         const char *boot_device,
 203                         const char *kernel_filename,
 204                         const char *kernel_cmdline,
 205                         const char *initrd_filename,
 206                         const char *cpu_model)
 207 {
 208     if (cpu_model == NULL)
 209         cpu_model = "486";
 210     pc_init1(ram_size, boot_device,
 211              kernel_filename, kernel_cmdline,
 212              initrd_filename, cpu_model, 0);
 213 }
 214
 215 static QEMUMachine pc_machine = {
 216     .name = "pc-0.14",
 217     .alias = "pc",
 218     .desc = "Standard PC",
 219     .init = pc_init_pci,
 220     .max_cpus = 255,
 221     .is_default = 1,
 222 };
 223
 224 static QEMUMachine pc_machine_v0_13 = {
 225     .name = "pc-0.13",
 226     .desc = "Standard PC",
 227     .init = pc_init_pci,
 228     .max_cpus = 255,
 229     .compat_props = (GlobalProperty[]) {
 230         {
 231             .driver   = "virtio-9p-pci",
 232             .property = "vectors",
 233             .value    = stringify(0),
 234         },{
 235             .driver   = "VGA",
 236             .property = "rombar",
 237             .value    = stringify(0),
 238         },{
 239             .driver   = "vmware-svga",
 240             .property = "rombar",
 241             .value    = stringify(0),
 242         },{
 243             .driver   = "PCI",
 244             .property = "command_serr_enable",
 245             .value    = "off",
 246         },
 247         { /* end of list */ }
 248     },
 249 };
 250
 251 static QEMUMachine pc_machine_v0_12 = {
 252     .name = "pc-0.12",
 253     .desc = "Standard PC",
 254     .init = pc_init_pci,
 255     .max_cpus = 255,
 256     .compat_props = (GlobalProperty[]) {
 257         {
 258             .driver   = "virtio-serial-pci",
 259             .property = "max_ports",
 260             .value    = stringify(1),
 261         },{
 262             .driver   = "virtio-serial-pci",
 263             .property = "vectors",
 264             .value    = stringify(0),
 265         },{
 266             .driver   = "VGA",
 267             .property = "rombar",
 268             .value    = stringify(0),
 269         },{
 270             .driver   = "vmware-svga",
 271             .property = "rombar",
 272             .value    = stringify(0),
 273         },{
 274             .driver   = "PCI",
 275             .property = "command_serr_enable",
 276             .value    = "off",
 277         },
 278         { /* end of list */ }
 279     }
 280 };
 281
 282 static QEMUMachine pc_machine_v0_11 = {
 283     .name = "pc-0.11",
 284     .desc = "Standard PC, qemu 0.11",
 285     .init = pc_init_pci,
 286     .max_cpus = 255,
 287     .compat_props = (GlobalProperty[]) {
 288         {
 289             .driver   = "virtio-blk-pci",
 290             .property = "vectors",
 291             .value    = stringify(0),
 292         },{
 293             .driver   = "virtio-serial-pci",
 294             .property = "max_ports",
 295             .value    = stringify(1),
 296         },{
 297             .driver   = "virtio-serial-pci",
 298             .property = "vectors",
 299             .value    = stringify(0),
 300         },{
 301             .driver   = "ide-drive",
 302             .property = "ver",
 303             .value    = "0.11",
 304         },{
 305             .driver   = "scsi-disk",
 306             .property = "ver",
 307             .value    = "0.11",
 308         },{
 309             .driver   = "PCI",
 310             .property = "rombar",
 311             .value    = stringify(0),
 312         },{
 313             .driver   = "PCI",
 314             .property = "command_serr_enable",
 315             .value    = "off",
 316         },
 317         { /* end of list */ }
 318     }
 319 };
 320
 321 static QEMUMachine pc_machine_v0_10 = {
 322     .name = "pc-0.10",
 323     .desc = "Standard PC, qemu 0.10",
 324     .init = pc_init_pci,
 325     .max_cpus = 255,
 326     .compat_props = (GlobalProperty[]) {
 327         {
 328             .driver   = "virtio-blk-pci",
 329             .property = "class",
 330             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
 331         },{
 332             .driver   = "virtio-serial-pci",
 333             .property = "class",
 334             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
 335         },{
 336             .driver   = "virtio-serial-pci",
 337             .property = "max_ports",
 338             .value    = stringify(1),
 339         },{
 340             .driver   = "virtio-serial-pci",
 341             .property = "vectors",
 342             .value    = stringify(0),
 343         },{
 344             .driver   = "virtio-net-pci",
 345             .property = "vectors",
 346             .value    = stringify(0),
 347         },{
 348             .driver   = "virtio-blk-pci",
 349             .property = "vectors",
 350             .value    = stringify(0),
 351         },{
 352             .driver   = "ide-drive",
 353             .property = "ver",
 354             .value    = "0.10",
 355         },{
 356             .driver   = "scsi-disk",
 357             .property = "ver",
 358             .value    = "0.10",
 359         },{
 360             .driver   = "PCI",
 361             .property = "rombar",
 362             .value    = stringify(0),
 363         },{
 364             .driver   = "PCI",
 365             .property = "command_serr_enable",
 366             .value    = "off",
 367         },
 368         { /* end of list */ }
 369     },
 370 };
 371
 372 static QEMUMachine isapc_machine = {
 373     .name = "isapc",
 374     .desc = "ISA-only PC",
 375     .init = pc_init_isa,
 376     .max_cpus = 1,
 377 };
 378
 379 static void pc_machine_init(void)
 380 {
 381     qemu_register_machine(&pc_machine);
 382     qemu_register_machine(&pc_machine_v0_13);
 383     qemu_register_machine(&pc_machine_v0_12);
 384     qemu_register_machine(&pc_machine_v0_11);
 385     qemu_register_machine(&pc_machine_v0_10);
 386     qemu_register_machine(&isapc_machine);
 387 }
 388
 389 machine_init(pc_machine_init);