/* * QEMU PC System Emulator * * Copyright (c) 2003-2004 Fabrice Bellard * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include #include "hw/hw.h" #include "hw/i386/pc.h" #include "hw/i386/apic.h" #include "hw/pci/pci.h" #include "hw/pci/pci_ids.h" #include "hw/usb.h" #include "net/net.h" #include "hw/boards.h" #include "hw/ide.h" #include "sysemu/kvm.h" #include "hw/kvm/clock.h" #include "sysemu/sysemu.h" #include "hw/sysbus.h" #include "hw/cpu/icc_bus.h" #include "sysemu/arch_init.h" #include "sysemu/blockdev.h" #include "hw/i2c/smbus.h" #include "hw/xen/xen.h" #include "exec/memory.h" #include "exec/address-spaces.h" #include "hw/acpi/acpi.h" #include "cpu.h" #ifdef CONFIG_XEN # include #endif #define MAX_IDE_BUS 2 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; static bool has_pvpanic = true; /* PC hardware initialisation */ 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); /* 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); } } static void pc_init_pci(QEMUMachineInitArgs *args) { ram_addr_t ram_size = args->ram_size; const char *cpu_model = args->cpu_model; const char *kernel_filename = args->kernel_filename; const char *kernel_cmdline = args->kernel_cmdline; const char *initrd_filename = args->initrd_filename; const char *boot_device = args->boot_device; pc_init1(get_system_memory(), get_system_io(), ram_size, boot_device, kernel_filename, kernel_cmdline, initrd_filename, cpu_model, 1, 1); } static void pc_init_pci_1_4(QEMUMachineInitArgs *args) { has_pvpanic = false; x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE); pc_init_pci(args); } static void pc_init_pci_1_3(QEMUMachineInitArgs *args) { enable_compat_apic_id_mode(); has_pvpanic = false; pc_init_pci(args); } /* PC machine init function for pc-1.1 to pc-1.2 */ static void pc_init_pci_1_2(QEMUMachineInitArgs *args) { disable_kvm_pv_eoi(); enable_compat_apic_id_mode(); has_pvpanic = false; pc_init_pci(args); } /* PC machine init function for pc-0.14 to pc-1.0 */ static void pc_init_pci_1_0(QEMUMachineInitArgs *args) { disable_kvm_pv_eoi(); enable_compat_apic_id_mode(); has_pvpanic = false; pc_init_pci(args); } /* PC init function for pc-0.10 to pc-0.13, and reused by xenfv */ static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args) { ram_addr_t ram_size = args->ram_size; const char *cpu_model = args->cpu_model; const char *kernel_filename = args->kernel_filename; const char *kernel_cmdline = args->kernel_cmdline; const char *initrd_filename = args->initrd_filename; const char *boot_device = args->boot_device; has_pvpanic = false; disable_kvm_pv_eoi(); enable_compat_apic_id_mode(); pc_init1(get_system_memory(), get_system_io(), ram_size, boot_device, kernel_filename, kernel_cmdline, initrd_filename, cpu_model, 1, 0); } static void pc_init_isa(QEMUMachineInitArgs *args) { ram_addr_t ram_size = args->ram_size; const char *cpu_model = args->cpu_model; const char *kernel_filename = args->kernel_filename; const char *kernel_cmdline = args->kernel_cmdline; const char *initrd_filename = args->initrd_filename; const char *boot_device = args->boot_device; has_pvpanic = false; if (cpu_model == NULL) cpu_model = "486"; disable_kvm_pv_eoi(); enable_compat_apic_id_mode(); pc_init1(get_system_memory(), get_system_io(), ram_size, boot_device, kernel_filename, kernel_cmdline, initrd_filename, cpu_model, 0, 1); } #ifdef CONFIG_XEN static void pc_xen_hvm_init(QEMUMachineInitArgs *args) { PCIBus *bus; pc_init_pci(args); bus = pci_find_root_bus(0); if (bus != NULL) { pci_create_simple(bus, -1, "xen-platform"); } } #endif static QEMUMachine pc_i440fx_machine_v1_6 = { .name = "pc-i440fx-1.6", .alias = "pc", .desc = "Standard PC (i440FX + PIIX, 1996)", .init = pc_init_pci, .hot_add_cpu = pc_hot_add_cpu, .max_cpus = 255, .is_default = 1, DEFAULT_MACHINE_OPTIONS, }; static QEMUMachine pc_i440fx_machine_v1_5 = { .name = "pc-i440fx-1.5", .desc = "Standard PC (i440FX + PIIX, 1996)", .init = pc_init_pci, .hot_add_cpu = pc_hot_add_cpu, .max_cpus = 255, .compat_props = (GlobalProperty[]) { PC_COMPAT_1_5, { /* end of list */ } }, DEFAULT_MACHINE_OPTIONS, }; static QEMUMachine pc_i440fx_machine_v1_4 = { .name = "pc-i440fx-1.4", .desc = "Standard PC (i440FX + PIIX, 1996)", .init = pc_init_pci_1_4, .max_cpus = 255, .compat_props = (GlobalProperty[]) { PC_COMPAT_1_4, { /* end of list */ } }, DEFAULT_MACHINE_OPTIONS, }; #define PC_COMPAT_1_3 \ PC_COMPAT_1_4, \ {\ .driver = "usb-tablet",\ .property = "usb_version",\ .value = stringify(1),\ },{\ .driver = "virtio-net-pci",\ .property = "ctrl_mac_addr",\ .value = "off", \ },{ \ .driver = "virtio-net-pci", \ .property = "mq", \ .value = "off", \ }, {\ .driver = "e1000",\ .property = "autonegotiation",\ .value = "off",\ } static QEMUMachine pc_machine_v1_3 = { .name = "pc-1.3", .desc = "Standard PC", .init = pc_init_pci_1_3, .max_cpus = 255, .compat_props = (GlobalProperty[]) { PC_COMPAT_1_3, { /* end of list */ } }, DEFAULT_MACHINE_OPTIONS, }; #define PC_COMPAT_1_2 \ PC_COMPAT_1_3,\ {\ .driver = "nec-usb-xhci",\ .property = "msi",\ .value = "off",\ },{\ .driver = "nec-usb-xhci",\ .property = "msix",\ .value = "off",\ },{\ .driver = "ivshmem",\ .property = "use64",\ .value = "0",\ },{\ .driver = "qxl",\ .property = "revision",\ .value = stringify(3),\ },{\ .driver = "qxl-vga",\ .property = "revision",\ .value = stringify(3),\ },{\ .driver = "VGA",\ .property = "mmio",\ .value = "off",\ } static QEMUMachine pc_machine_v1_2 = { .name = "pc-1.2", .desc = "Standard PC", .init = pc_init_pci_1_2, .max_cpus = 255, .compat_props = (GlobalProperty[]) { PC_COMPAT_1_2, { /* end of list */ } }, DEFAULT_MACHINE_OPTIONS, }; #define PC_COMPAT_1_1 \ PC_COMPAT_1_2,\ {\ .driver = "virtio-scsi-pci",\ .property = "hotplug",\ .value = "off",\ },{\ .driver = "virtio-scsi-pci",\ .property = "param_change",\ .value = "off",\ },{\ .driver = "VGA",\ .property = "vgamem_mb",\ .value = stringify(8),\ },{\ .driver = "vmware-svga",\ .property = "vgamem_mb",\ .value = stringify(8),\ },{\ .driver = "qxl-vga",\ .property = "vgamem_mb",\ .value = stringify(8),\ },{\ .driver = "qxl",\ .property = "vgamem_mb",\ .value = stringify(8),\ },{\ .driver = "virtio-blk-pci",\ .property = "config-wce",\ .value = "off",\ } static QEMUMachine pc_machine_v1_1 = { .name = "pc-1.1", .desc = "Standard PC", .init = pc_init_pci_1_2, .max_cpus = 255, .compat_props = (GlobalProperty[]) { PC_COMPAT_1_1, { /* end of list */ } }, DEFAULT_MACHINE_OPTIONS, }; #define PC_COMPAT_1_0 \ PC_COMPAT_1_1,\ {\ .driver = "pc-sysfw",\ .property = "rom_only",\ .value = stringify(1),\ }, {\ .driver = TYPE_ISA_FDC,\ .property = "check_media_rate",\ .value = "off",\ }, {\ .driver = "virtio-balloon-pci",\ .property = "class",\ .value = stringify(PCI_CLASS_MEMORY_RAM),\ },{\ .driver = "apic",\ .property = "vapic",\ .value = "off",\ },{\ .driver = TYPE_USB_DEVICE,\ .property = "full-path",\ .value = "no",\ } static QEMUMachine pc_machine_v1_0 = { .name = "pc-1.0", .desc = "Standard PC", .init = pc_init_pci_1_0, .max_cpus = 255, .compat_props = (GlobalProperty[]) { PC_COMPAT_1_0, { /* end of list */ } }, .hw_version = "1.0", DEFAULT_MACHINE_OPTIONS, }; #define PC_COMPAT_0_15 \ PC_COMPAT_1_0 static QEMUMachine pc_machine_v0_15 = { .name = "pc-0.15", .desc = "Standard PC", .init = pc_init_pci_1_0, .max_cpus = 255, .compat_props = (GlobalProperty[]) { PC_COMPAT_0_15, { /* end of list */ } }, .hw_version = "0.15", DEFAULT_MACHINE_OPTIONS, }; #define PC_COMPAT_0_14 \ PC_COMPAT_0_15,\ {\ .driver = "virtio-blk-pci",\ .property = "event_idx",\ .value = "off",\ },{\ .driver = "virtio-serial-pci",\ .property = "event_idx",\ .value = "off",\ },{\ .driver = "virtio-net-pci",\ .property = "event_idx",\ .value = "off",\ },{\ .driver = "virtio-balloon-pci",\ .property = "event_idx",\ .value = "off",\ } static QEMUMachine pc_machine_v0_14 = { .name = "pc-0.14", .desc = "Standard PC", .init = pc_init_pci_1_0, .max_cpus = 255, .compat_props = (GlobalProperty[]) { PC_COMPAT_0_14, { .driver = "qxl", .property = "revision", .value = stringify(2), },{ .driver = "qxl-vga", .property = "revision", .value = stringify(2), }, { /* end of list */ } }, .hw_version = "0.14", DEFAULT_MACHINE_OPTIONS, }; #define PC_COMPAT_0_13 \ PC_COMPAT_0_14,\ {\ .driver = TYPE_PCI_DEVICE,\ .property = "command_serr_enable",\ .value = "off",\ },{\ .driver = "AC97",\ .property = "use_broken_id",\ .value = stringify(1),\ } static QEMUMachine pc_machine_v0_13 = { .name = "pc-0.13", .desc = "Standard PC", .init = pc_init_pci_no_kvmclock, .max_cpus = 255, .compat_props = (GlobalProperty[]) { PC_COMPAT_0_13, { .driver = "virtio-9p-pci", .property = "vectors", .value = stringify(0), },{ .driver = "VGA", .property = "rombar", .value = stringify(0), },{ .driver = "vmware-svga", .property = "rombar", .value = stringify(0), }, { /* end of list */ } }, .hw_version = "0.13", DEFAULT_MACHINE_OPTIONS, }; #define PC_COMPAT_0_12 \ PC_COMPAT_0_13,\ {\ .driver = "virtio-serial-pci",\ .property = "max_ports",\ .value = stringify(1),\ },{\ .driver = "virtio-serial-pci",\ .property = "vectors",\ .value = stringify(0),\ },{\ .driver = "usb-mouse",\ .property = "serial",\ .value = "1",\ },{\ .driver = "usb-tablet",\ .property = "serial",\ .value = "1",\ },{\ .driver = "usb-kbd",\ .property = "serial",\ .value = "1",\ } static QEMUMachine pc_machine_v0_12 = { .name = "pc-0.12", .desc = "Standard PC", .init = pc_init_pci_no_kvmclock, .max_cpus = 255, .compat_props = (GlobalProperty[]) { PC_COMPAT_0_12, { .driver = "VGA", .property = "rombar", .value = stringify(0), },{ .driver = "vmware-svga", .property = "rombar", .value = stringify(0), }, { /* end of list */ } }, .hw_version = "0.12", DEFAULT_MACHINE_OPTIONS, }; #define PC_COMPAT_0_11 \ PC_COMPAT_0_12,\ {\ .driver = "virtio-blk-pci",\ .property = "vectors",\ .value = stringify(0),\ },{\ .driver = TYPE_PCI_DEVICE,\ .property = "rombar",\ .value = stringify(0),\ } static QEMUMachine pc_machine_v0_11 = { .name = "pc-0.11", .desc = "Standard PC, qemu 0.11", .init = pc_init_pci_no_kvmclock, .max_cpus = 255, .compat_props = (GlobalProperty[]) { PC_COMPAT_0_11, { .driver = "ide-drive", .property = "ver", .value = "0.11", },{ .driver = "scsi-disk", .property = "ver", .value = "0.11", }, { /* end of list */ } }, .hw_version = "0.11", DEFAULT_MACHINE_OPTIONS, }; static QEMUMachine pc_machine_v0_10 = { .name = "pc-0.10", .desc = "Standard PC, qemu 0.10", .init = pc_init_pci_no_kvmclock, .max_cpus = 255, .compat_props = (GlobalProperty[]) { PC_COMPAT_0_11, { .driver = "virtio-blk-pci", .property = "class", .value = stringify(PCI_CLASS_STORAGE_OTHER), },{ .driver = "virtio-serial-pci", .property = "class", .value = stringify(PCI_CLASS_DISPLAY_OTHER), },{ .driver = "virtio-net-pci", .property = "vectors", .value = stringify(0), },{ .driver = "ide-drive", .property = "ver", .value = "0.10", },{ .driver = "scsi-disk", .property = "ver", .value = "0.10", }, { /* end of list */ } }, .hw_version = "0.10", DEFAULT_MACHINE_OPTIONS, }; static QEMUMachine isapc_machine = { .name = "isapc", .desc = "ISA-only PC", .init = pc_init_isa, .max_cpus = 1, .compat_props = (GlobalProperty[]) { { .driver = "pc-sysfw", .property = "rom_only", .value = stringify(1), }, { .driver = "pc-sysfw", .property = "isapc_ram_fw", .value = stringify(1), }, { /* end of list */ } }, DEFAULT_MACHINE_OPTIONS, }; #ifdef CONFIG_XEN static QEMUMachine xenfv_machine = { .name = "xenfv", .desc = "Xen Fully-virtualized PC", .init = pc_xen_hvm_init, .max_cpus = HVM_MAX_VCPUS, .default_machine_opts = "accel=xen", DEFAULT_MACHINE_OPTIONS, }; #endif static void pc_machine_init(void) { qemu_register_machine(&pc_i440fx_machine_v1_6); qemu_register_machine(&pc_i440fx_machine_v1_5); qemu_register_machine(&pc_i440fx_machine_v1_4); qemu_register_machine(&pc_machine_v1_3); qemu_register_machine(&pc_machine_v1_2); qemu_register_machine(&pc_machine_v1_1); qemu_register_machine(&pc_machine_v1_0); qemu_register_machine(&pc_machine_v0_15); qemu_register_machine(&pc_machine_v0_14); qemu_register_machine(&pc_machine_v0_13); qemu_register_machine(&pc_machine_v0_12); qemu_register_machine(&pc_machine_v0_11); qemu_register_machine(&pc_machine_v0_10); qemu_register_machine(&isapc_machine); #ifdef CONFIG_XEN qemu_register_machine(&xenfv_machine); #endif } machine_init(pc_machine_init);