Exemplo n.º 1
0
Arquivo: pc_piix.c Projeto: brehm/tlmu
/* PC hardware initialisation */
static void pc_init1(MemoryRegion *system_memory,
                     ram_addr_t ram_size,
                     const char *boot_device,
                     const char *kernel_filename,
                     const char *kernel_cmdline,
                     const char *initrd_filename,
                     const char *cpu_model,
                     int pci_enabled,
                     int kvmclock_enabled)
{
    int i;
    ram_addr_t below_4g_mem_size, above_4g_mem_size;
    PCIBus *pci_bus;
    PCII440FXState *i440fx_state;
    int piix3_devfn = -1;
    qemu_irq *cpu_irq;
    qemu_irq *isa_irq;
    qemu_irq *i8259;
    qemu_irq *cmos_s3;
    qemu_irq *smi_irq;
    IsaIrqState *isa_irq_state;
    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
    BusState *idebus[MAX_IDE_BUS];
    ISADevice *rtc_state;

    pc_cpus_init(cpu_model);

    if (kvmclock_enabled) {
        kvmclock_create();
    }

    if (ram_size >= 0xe0000000 ) {
        above_4g_mem_size = ram_size - 0xe0000000;
        below_4g_mem_size = 0xe0000000;
    } else {
        above_4g_mem_size = 0;
        below_4g_mem_size = ram_size;
    }

    /* allocate ram and load rom/bios */
    if (!xen_enabled()) {
        pc_memory_init(system_memory,
                       kernel_filename, kernel_cmdline, initrd_filename,
                       below_4g_mem_size, above_4g_mem_size);
    }

    if (!xen_enabled()) {
        cpu_irq = pc_allocate_cpu_irq();
        i8259 = i8259_init(cpu_irq[0]);
    } else {
        i8259 = xen_interrupt_controller_init();
    }
    isa_irq_state = qemu_mallocz(sizeof(*isa_irq_state));
    isa_irq_state->i8259 = i8259;
    if (pci_enabled) {
        ioapic_init(isa_irq_state);
    }
    isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24);

    if (pci_enabled) {
        pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq,
                              system_memory, ram_size);
    } else {
        pci_bus = NULL;
        i440fx_state = NULL;
        isa_bus_new(NULL);
    }
    isa_bus_irqs(isa_irq);

    pc_register_ferr_irq(isa_get_irq(13));

    pc_vga_init(pci_enabled? pci_bus: NULL);

    if (xen_enabled()) {
        pci_create_simple(pci_bus, -1, "xen-platform");
    }

    /* init basic PC hardware */
    pc_basic_device_init(isa_irq, &rtc_state, xen_enabled());

    for(i = 0; i < nb_nics; i++) {
        NICInfo *nd = &nd_table[i];

        if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
            pc_init_ne2k_isa(nd);
        else
            pci_nic_init_nofail(nd, "e1000", NULL);
    }

    ide_drive_get(hd, MAX_IDE_BUS);
    if (pci_enabled) {
        PCIDevice *dev;
        if (xen_enabled()) {
            dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
        } else {
            dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
        }
        idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
        idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
    } else {
        for(i = 0; i < MAX_IDE_BUS; i++) {
            ISADevice *dev;
            dev = isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
                               hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
            idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
        }
    }

    audio_init(isa_irq, pci_enabled ? pci_bus : NULL);

    pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
                 idebus[0], idebus[1], rtc_state);

    if (pci_enabled && usb_enabled) {
        usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
    }

    if (pci_enabled && acpi_enabled) {
        i2c_bus *smbus;

        if (!xen_enabled()) {
            cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1);
        } else {
            cmos_s3 = qemu_allocate_irqs(xen_cmos_set_s3_resume, rtc_state, 1);
        }
        smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
        /* TODO: Populate SPD eeprom data.  */
        smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
                              isa_get_irq(9), *cmos_s3, *smi_irq,
                              kvm_enabled());
        smbus_eeprom_init(smbus, 8, NULL, 0);
    }

    if (i440fx_state) {
        i440fx_init_memory_mappings(i440fx_state);
    }

    if (pci_enabled) {
        pc_pci_device_init(pci_bus);
    }
}
Exemplo n.º 2
0
/* PC hardware initialisation */
static void pc_init1(ram_addr_t ram_size,
                     const char *boot_device,
                     const char *kernel_filename,
                     const char *kernel_cmdline,
                     const char *initrd_filename,
                     const char *cpu_model,
                     int pci_enabled)
{
    int i;
    ram_addr_t below_4g_mem_size, above_4g_mem_size;
    PCIBus *pci_bus;
    PCII440FXState *i440fx_state;
    int piix3_devfn = -1;
    qemu_irq *cpu_irq;
    qemu_irq *isa_irq;
    qemu_irq *i8259;
    qemu_irq *cmos_s3;
    qemu_irq *smi_irq;
    IsaIrqState *isa_irq_state;
    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
    FDCtrl *floppy_controller;
    BusState *idebus[MAX_IDE_BUS];
    ISADevice *rtc_state;

    pc_cpus_init(cpu_model);

    vmport_init();

    /* allocate ram and load rom/bios */
    pc_memory_init(ram_size, kernel_filename, kernel_cmdline, initrd_filename,
                   &below_4g_mem_size, &above_4g_mem_size);

    cpu_irq = pc_allocate_cpu_irq();
    i8259 = i8259_init(cpu_irq[0]);
    isa_irq_state = qemu_mallocz(sizeof(*isa_irq_state));
    isa_irq_state->i8259 = i8259;
    if (pci_enabled) {
        ioapic_init(isa_irq_state);
    }
    isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24);

    if (pci_enabled) {
        pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq, ram_size);
    } else {
        pci_bus = NULL;
        i440fx_state = NULL;
        isa_bus_new(NULL);
    }
    isa_bus_irqs(isa_irq);

    pc_register_ferr_irq(isa_reserve_irq(13));

    pc_vga_init(pci_enabled? pci_bus: NULL);

    /* init basic PC hardware */
    pc_basic_device_init(isa_irq, &floppy_controller, &rtc_state);

    for(i = 0; i < nb_nics; i++) {
        NICInfo *nd = &nd_table[i];

        if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
            pc_init_ne2k_isa(nd);
        else
            pci_nic_init_nofail(nd, "e1000", NULL);
    }

    if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
        fprintf(stderr, "qemu: too many IDE bus\n");
        exit(1);
    }

    for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
        hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
    }

    if (pci_enabled) {
        PCIDevice *dev;
        dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
        idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
        idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
    } else {
        for(i = 0; i < MAX_IDE_BUS; i++) {
            ISADevice *dev;
            dev = isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
                               hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
            idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
        }
    }

    audio_init(isa_irq, pci_enabled ? pci_bus : NULL);

    pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
                 idebus[0], idebus[1], floppy_controller, rtc_state);

    if (pci_enabled && usb_enabled) {
        usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
    }

    if (pci_enabled && acpi_enabled) {
        uint8_t *eeprom_buf = qemu_mallocz(8 * 256); /* XXX: make this persistent */
        i2c_bus *smbus;

        cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1);
        smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
        /* TODO: Populate SPD eeprom data.  */
        smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
                              isa_reserve_irq(9), *cmos_s3, *smi_irq,
                              kvm_enabled());
        for (i = 0; i < 8; i++) {
            DeviceState *eeprom;
            eeprom = qdev_create((BusState *)smbus, "smbus-eeprom");
            qdev_prop_set_uint8(eeprom, "address", 0x50 + i);
            qdev_prop_set_ptr(eeprom, "data", eeprom_buf + (i * 256));
            qdev_init_nofail(eeprom);
        }
    }

    if (i440fx_state) {
        i440fx_init_memory_mappings(i440fx_state);
    }

    if (pci_enabled) {
        pc_pci_device_init(pci_bus);
    }
}