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