| /* |
| * 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 <glib.h> |
| |
| #include "hw.h" |
| #include "pc.h" |
| #include "apic.h" |
| #include "pci.h" |
| #include "pci_ids.h" |
| #include "net.h" |
| #include "boards.h" |
| #include "ide.h" |
| #include "kvm.h" |
| #include "kvm/clock.h" |
| #include "sysemu.h" |
| #include "sysbus.h" |
| #include "arch_init.h" |
| #include "blockdev.h" |
| #include "smbus.h" |
| #include "xen.h" |
| #include "memory.h" |
| #include "exec-memory.h" |
| #ifdef CONFIG_XEN |
| # include <xen/hvm/hvm_info_table.h> |
| #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 void kvm_piix3_setup_irq_routing(bool pci_enabled) |
| { |
| #ifdef CONFIG_KVM |
| KVMState *s = kvm_state; |
| int ret, i; |
| |
| if (kvm_check_extension(s, KVM_CAP_IRQ_ROUTING)) { |
| for (i = 0; i < 8; ++i) { |
| if (i == 2) { |
| continue; |
| } |
| kvm_irqchip_add_route(s, i, KVM_IRQCHIP_PIC_MASTER, i); |
| } |
| for (i = 8; i < 16; ++i) { |
| kvm_irqchip_add_route(s, i, KVM_IRQCHIP_PIC_SLAVE, i - 8); |
| } |
| if (pci_enabled) { |
| for (i = 0; i < 24; ++i) { |
| if (i == 0) { |
| kvm_irqchip_add_route(s, i, KVM_IRQCHIP_IOAPIC, 2); |
| } else if (i != 2) { |
| kvm_irqchip_add_route(s, i, KVM_IRQCHIP_IOAPIC, i); |
| } |
| } |
| } |
| ret = kvm_irqchip_commit_routes(s); |
| if (ret < 0) { |
| hw_error("KVM IRQ routing setup failed"); |
| } |
| } |
| #endif /* CONFIG_KVM */ |
| } |
| |
| static void kvm_piix3_gsi_handler(void *opaque, int n, int level) |
| { |
| GSIState *s = opaque; |
| |
| if (n < ISA_NUM_IRQS) { |
| /* Kernel will forward to both PIC and IOAPIC */ |
| qemu_set_irq(s->i8259_irq[n], level); |
| } else { |
| qemu_set_irq(s->ioapic_irq[n], level); |
| } |
| } |
| |
| static void ioapic_init(GSIState *gsi_state) |
| { |
| DeviceState *dev; |
| SysBusDevice *d; |
| unsigned int i; |
| |
| if (kvm_irqchip_in_kernel()) { |
| dev = qdev_create(NULL, "kvm-ioapic"); |
| } else { |
| dev = qdev_create(NULL, "ioapic"); |
| } |
| /* FIXME: this should be under the piix3. */ |
| object_property_add_child(object_resolve_path("i440fx", NULL), |
| "ioapic", OBJECT(dev), NULL); |
| qdev_init_nofail(dev); |
| d = sysbus_from_qdev(dev); |
| sysbus_mmio_map(d, 0, 0xfec00000); |
| |
| for (i = 0; i < IOAPIC_NUM_PINS; i++) { |
| gsi_state->ioapic_irq[i] = qdev_get_gpio_in(dev, i); |
| } |
| } |
| |
| /* 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; |
| |
| 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; |
| } |
| |
| 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()) { |
| pc_memory_init(system_memory, |
| kernel_filename, kernel_cmdline, initrd_filename, |
| below_4g_mem_size, above_4g_mem_size, |
| pci_enabled ? rom_memory : system_memory, &ram_memory); |
| } |
| |
| gsi_state = g_malloc0(sizeof(*gsi_state)); |
| if (kvm_irqchip_in_kernel()) { |
| kvm_piix3_setup_irq_routing(pci_enabled); |
| gsi = qemu_allocate_irqs(kvm_piix3_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(target_phys_addr_t) == 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_state); |
| } |
| |
| 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()); |
| |
| 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(isa_bus, 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(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(&dev->qdev, "ide.0"); |
| } |
| } |
| |
| audio_init(isa_bus, pci_enabled ? pci_bus : NULL); |
| |
| 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) { |
| 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, first_cpu, 1); |
| /* TODO: Populate SPD eeprom data. */ |
| smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, |
| gsi[9], *smi_irq, |
| kvm_enabled()); |
| smbus_eeprom_init(smbus, 8, NULL, 0); |
| } |
| |
| if (pci_enabled) { |
| pc_pci_device_init(pci_bus); |
| } |
| } |
| |
| static void pc_init_pci(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) |
| { |
| 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_no_kvmclock(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) |
| { |
| 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(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) |
| { |
| if (cpu_model == NULL) |
| cpu_model = "486"; |
| 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(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) |
| { |
| if (xen_hvm_init() != 0) { |
| hw_error("xen hardware virtual machine initialisation failed"); |
| } |
| pc_init_pci_no_kvmclock(ram_size, boot_device, |
| kernel_filename, kernel_cmdline, |
| initrd_filename, cpu_model); |
| xen_vcpu_init(); |
| } |
| #endif |
| |
| static QEMUMachine pc_machine_v1_1 = { |
| .name = "pc-1.1", |
| .alias = "pc", |
| .desc = "Standard PC", |
| .init = pc_init_pci, |
| .max_cpus = 255, |
| .is_default = 1, |
| }; |
| |
| #define PC_COMPAT_1_0 \ |
| {\ |
| .driver = "pc-sysfw",\ |
| .property = "rom_only",\ |
| .value = stringify(1),\ |
| }, {\ |
| .driver = "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 = "USB",\ |
| .property = "full-path",\ |
| .value = "no",\ |
| } |
| |
| static QEMUMachine pc_machine_v1_0 = { |
| .name = "pc-1.0", |
| .desc = "Standard PC", |
| .init = pc_init_pci, |
| .max_cpus = 255, |
| .compat_props = (GlobalProperty[]) { |
| PC_COMPAT_1_0, |
| { /* end of list */ } |
| }, |
| }; |
| |
| #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, |
| .max_cpus = 255, |
| .compat_props = (GlobalProperty[]) { |
| PC_COMPAT_0_15, |
| { /* end of list */ } |
| }, |
| }; |
| |
| #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, |
| .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 */ } |
| }, |
| }; |
| |
| #define PC_COMPAT_0_13 \ |
| PC_COMPAT_0_14,\ |
| {\ |
| .driver = "PCI",\ |
| .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 */ } |
| }, |
| }; |
| |
| #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),\ |
| } |
| |
| 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 */ } |
| } |
| }; |
| |
| #define PC_COMPAT_0_11 \ |
| PC_COMPAT_0_12,\ |
| {\ |
| .driver = "virtio-blk-pci",\ |
| .property = "vectors",\ |
| .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 */ } |
| } |
| }; |
| |
| 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 */ } |
| }, |
| }; |
| |
| 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), |
| }, |
| { /* end of list */ } |
| }, |
| }; |
| |
| #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", |
| }; |
| #endif |
| |
| static void pc_machine_init(void) |
| { |
| 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); |
