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