static void pc_init1(MemoryRegion *system_memory, MemoryRegion *system_io, 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; ISABus *isa_bus; PCII440FXState *i440fx_state; int piix3_devfn = -1; qemu_irq *cpu_irq; qemu_irq *gsi; qemu_irq *i8259; qemu_irq *smi_irq; GSIState *gsi_state; DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; BusState *idebus[MAX_IDE_BUS]; ISADevice *rtc_state; ISADevice *floppy; MemoryRegion *ram_memory; MemoryRegion *pci_memory; MemoryRegion *rom_memory; DeviceState *icc_bridge; FWCfgState *fw_cfg = NULL; if (xen_enabled() && xen_hvm_init() != 0) { fprintf(stderr, "xen hardware virtual machine initialisation failed\n"); exit(1); } icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE); object_property_add_child(qdev_get_machine(), "icc-bridge", OBJECT(icc_bridge), NULL); pc_cpus_init(cpu_model, icc_bridge); pc_acpi_init("acpi-dsdt.aml"); if (kvm_enabled() && 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; } if (pci_enabled) { pci_memory = g_new(MemoryRegion, 1); memory_region_init(pci_memory, "pci", INT64_MAX); rom_memory = pci_memory; } else { pci_memory = NULL; rom_memory = system_memory; } /* allocate ram and load rom/bios */ if (!xen_enabled()) { fw_cfg = pc_memory_init(system_memory, kernel_filename, kernel_cmdline, initrd_filename, below_4g_mem_size, above_4g_mem_size, rom_memory, &ram_memory); } gsi_state = g_malloc0(sizeof(*gsi_state)); if (kvm_irqchip_in_kernel()) { kvm_pc_setup_irq_routing(pci_enabled); gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state, GSI_NUM_PINS); } else { gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS); } if (pci_enabled) { pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi, system_memory, system_io, ram_size, below_4g_mem_size, 0x100000000ULL - below_4g_mem_size, 0x100000000ULL + above_4g_mem_size, (sizeof(hwaddr) == 4 ? 0 : ((uint64_t)1 << 62)), pci_memory, ram_memory); } else { pci_bus = NULL; i440fx_state = NULL; isa_bus = isa_bus_new(NULL, system_io); no_hpet = 1; } isa_bus_irqs(isa_bus, gsi); if (kvm_irqchip_in_kernel()) { i8259 = kvm_i8259_init(isa_bus); } else if (xen_enabled()) { i8259 = xen_interrupt_controller_init(); } else { cpu_irq = pc_allocate_cpu_irq(); i8259 = i8259_init(isa_bus, cpu_irq[0]); } for (i = 0; i < ISA_NUM_IRQS; i++) { gsi_state->i8259_irq[i] = i8259[i]; } if (pci_enabled) { ioapic_init_gsi(gsi_state, "i440fx"); } qdev_init_nofail(icc_bridge); pc_register_ferr_irq(gsi[13]); pc_vga_init(isa_bus, 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_bus, gsi, &rtc_state, &floppy, xen_enabled()); pc_nic_init(isa_bus, pci_bus); 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(isa_bus, 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(DEVICE(dev), "ide.0"); } } pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device, floppy, idebus[0], idebus[1], rtc_state); if (pci_enabled && usb_enabled(false)) { pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); } if (pci_enabled && acpi_enabled) { i2c_bus *smbus; smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, x86_env_get_cpu(first_cpu), 1); /* TODO: Populate SPD eeprom data. */ smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, gsi[9], *smi_irq, kvm_enabled(), fw_cfg); smbus_eeprom_init(smbus, 8, NULL, 0); } if (pci_enabled) { pc_pci_device_init(pci_bus); } if (has_pvpanic) { pvpanic_init(isa_bus); } }