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