diff options
Diffstat (limited to 'hw/i386/pc_piix.c')
| -rw-r--r-- | hw/i386/pc_piix.c | 713 |
1 files changed, 713 insertions, 0 deletions
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c new file mode 100644 index 0000000000..73a8656df8 --- /dev/null +++ b/hw/i386/pc_piix.c @@ -0,0 +1,713 @@ +/* + * 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/hw.h" +#include "hw/pc.h" +#include "hw/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 "sysemu/arch_init.h" +#include "sysemu/blockdev.h" +#include "hw/smbus.h" +#include "hw/xen.h" +#include "exec/memory.h" +#include "exec/address-spaces.h" +#include "cpu.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 }; + +/* 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; + void *fw_cfg = NULL; + + pc_cpus_init(cpu_model); + pc_acpi_init("acpi-dsdt.aml"); + + 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()) { + 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"); + } + + 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(&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(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, 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); + } +} + +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_3(QEMUMachineInitArgs *args) +{ + enable_compat_apic_id_mode(); + pc_init_pci(args); +} + +/* PC machine init function for pc-0.14 to pc-1.2 */ +static void pc_init_pci_1_2(QEMUMachineInitArgs *args) +{ + disable_kvm_pv_eoi(); + pc_init_pci_1_3(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; + 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; + 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) +{ + if (xen_hvm_init() != 0) { + hw_error("xen hardware virtual machine initialisation failed"); + } + pc_init_pci_no_kvmclock(args); + xen_vcpu_init(); +} +#endif + +static QEMUMachine pc_i440fx_machine_v1_5 = { + .name = "pc-i440fx-1.5", + .alias = "pc", + .desc = "Standard PC (i440FX + PIIX, 1996)", + .init = pc_init_pci, + .max_cpus = 255, + .is_default = 1, + 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, + .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", \ + } + +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 = "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_2, + .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_2, + .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_2, + .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),\ + } + +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), + }, + { /* 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_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); |