| /* |
| * 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 "hw.h" |
| #include "pc.h" |
| #include "apic.h" |
| #include "pci.h" |
| #include "usb-uhci.h" |
| #include "usb-ohci.h" |
| #include "net.h" |
| #include "boards.h" |
| #include "ide.h" |
| #include "kvm.h" |
| #include "sysemu.h" |
| #include "sysbus.h" |
| #include "blockdev.h" |
| |
| #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 ioapic_init(IsaIrqState *isa_irq_state) |
| { |
| DeviceState *dev; |
| SysBusDevice *d; |
| unsigned int i; |
| |
| dev = qdev_create(NULL, "ioapic"); |
| qdev_init_nofail(dev); |
| d = sysbus_from_qdev(dev); |
| sysbus_mmio_map(d, 0, 0xfec00000); |
| |
| for (i = 0; i < IOAPIC_NUM_PINS; i++) { |
| isa_irq_state->ioapic[i] = qdev_get_gpio_in(dev, i); |
| } |
| } |
| |
| /* 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"); |
| } |
| } |
| |
| pc_audio_init(pci_enabled ? pci_bus : NULL, isa_irq); |
| |
| 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); |
| } |
| } |
| |
| 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(ram_size, boot_device, |
| kernel_filename, kernel_cmdline, |
| initrd_filename, cpu_model, 1); |
| } |
| |
| 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(ram_size, boot_device, |
| kernel_filename, kernel_cmdline, |
| initrd_filename, cpu_model, 0); |
| } |
| |
| static QEMUMachine pc_machine = { |
| .name = "pc-0.13", |
| .alias = "pc", |
| .desc = "Standard PC", |
| .init = pc_init_pci, |
| .max_cpus = 255, |
| .is_default = 1, |
| }; |
| |
| static QEMUMachine pc_machine_v0_12 = { |
| .name = "pc-0.12", |
| .desc = "Standard PC", |
| .init = pc_init_pci, |
| .max_cpus = 255, |
| .compat_props = (GlobalProperty[]) { |
| { |
| .driver = "virtio-serial-pci", |
| .property = "max_ports", |
| .value = stringify(1), |
| },{ |
| .driver = "virtio-serial-pci", |
| .property = "vectors", |
| .value = stringify(0), |
| }, |
| { /* end of list */ } |
| } |
| }; |
| |
| static QEMUMachine pc_machine_v0_11 = { |
| .name = "pc-0.11", |
| .desc = "Standard PC, qemu 0.11", |
| .init = pc_init_pci, |
| .max_cpus = 255, |
| .compat_props = (GlobalProperty[]) { |
| { |
| .driver = "virtio-blk-pci", |
| .property = "vectors", |
| .value = stringify(0), |
| },{ |
| .driver = "virtio-serial-pci", |
| .property = "max_ports", |
| .value = stringify(1), |
| },{ |
| .driver = "virtio-serial-pci", |
| .property = "vectors", |
| .value = stringify(0), |
| },{ |
| .driver = "ide-drive", |
| .property = "ver", |
| .value = "0.11", |
| },{ |
| .driver = "scsi-disk", |
| .property = "ver", |
| .value = "0.11", |
| },{ |
| .driver = "PCI", |
| .property = "rombar", |
| .value = stringify(0), |
| }, |
| { /* end of list */ } |
| } |
| }; |
| |
| static QEMUMachine pc_machine_v0_10 = { |
| .name = "pc-0.10", |
| .desc = "Standard PC, qemu 0.10", |
| .init = pc_init_pci, |
| .max_cpus = 255, |
| .compat_props = (GlobalProperty[]) { |
| { |
| .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-serial-pci", |
| .property = "max_ports", |
| .value = stringify(1), |
| },{ |
| .driver = "virtio-serial-pci", |
| .property = "vectors", |
| .value = stringify(0), |
| },{ |
| .driver = "virtio-net-pci", |
| .property = "vectors", |
| .value = stringify(0), |
| },{ |
| .driver = "virtio-blk-pci", |
| .property = "vectors", |
| .value = stringify(0), |
| },{ |
| .driver = "ide-drive", |
| .property = "ver", |
| .value = "0.10", |
| },{ |
| .driver = "scsi-disk", |
| .property = "ver", |
| .value = "0.10", |
| },{ |
| .driver = "PCI", |
| .property = "rombar", |
| .value = stringify(0), |
| }, |
| { /* end of list */ } |
| }, |
| }; |
| |
| static QEMUMachine isapc_machine = { |
| .name = "isapc", |
| .desc = "ISA-only PC", |
| .init = pc_init_isa, |
| .max_cpus = 1, |
| }; |
| |
| static void pc_machine_init(void) |
| { |
| qemu_register_machine(&pc_machine); |
| 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); |
| } |
| |
| machine_init(pc_machine_init); |
