/* * 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 "usb-uhci.h" #include "usb-ohci.h" #include "net.h" #include "boards.h" #include "ide.h" #include "kvm.h" #include "kvmclock.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 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(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; 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; 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); } isa_irq_state = g_malloc0(sizeof(*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, 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_new(NULL, system_io); no_hpet = 1; } isa_bus_irqs(isa_irq); if (!xen_enabled()) { cpu_irq = pc_allocate_cpu_irq(); i8259 = i8259_init(cpu_irq[0]); } else { i8259 = xen_interrupt_controller_init(); } isa_irq_state->i8259 = i8259; if (pci_enabled) { ioapic_init(isa_irq_state); } 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 (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 = { .name = "pc-0.14", .alias = "pc", .desc = "Standard PC", .init = pc_init_pci, .max_cpus = 255, .is_default = 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[]) { { .driver = "virtio-9p-pci", .property = "vectors", .value = stringify(0), },{ .driver = "VGA", .property = "rombar", .value = stringify(0), },{ .driver = "vmware-svga", .property = "rombar", .value = stringify(0), },{ .driver = "PCI", .property = "command_serr_enable", .value = "off", },{ .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", }, { /* end of list */ } }, }; 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[]) { { .driver = "virtio-serial-pci", .property = "max_ports", .value = stringify(1), },{ .driver = "virtio-serial-pci", .property = "vectors", .value = stringify(0), },{ .driver = "VGA", .property = "rombar", .value = stringify(0), },{ .driver = "vmware-svga", .property = "rombar", .value = stringify(0), },{ .driver = "PCI", .property = "command_serr_enable", .value = "off", },{ .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", }, { /* end of list */ } } }; 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[]) { { .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), },{ .driver = "PCI", .property = "command_serr_enable", .value = "off", },{ .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", }, { /* 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[]) { { .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), },{ .driver = "PCI", .property = "command_serr_enable", .value = "off", },{ .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", }, { /* end of list */ } }, }; static QEMUMachine isapc_machine = { .name = "isapc", .desc = "ISA-only PC", .init = pc_init_isa, .max_cpus = 1, }; #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); 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);