root / hw / pc_piix.c @ 18ebcc86
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/*
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* QEMU PC System Emulator
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*
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* Copyright (c) 2003-2004 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <glib.h> |
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#include "hw.h" |
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#include "pc.h" |
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#include "apic.h" |
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#include "pci.h" |
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#include "usb-uhci.h" |
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#include "usb-ohci.h" |
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#include "net.h" |
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#include "boards.h" |
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#include "ide.h" |
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#include "kvm.h" |
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#include "kvmclock.h" |
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#include "sysemu.h" |
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#include "sysbus.h" |
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#include "arch_init.h" |
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#include "blockdev.h" |
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#include "smbus.h" |
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#include "xen.h" |
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#include "memory.h" |
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#include "exec-memory.h" |
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#ifdef CONFIG_XEN
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# include <xen/hvm/hvm_info_table.h> |
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#endif
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|
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#define MAX_IDE_BUS 2 |
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|
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static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; |
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static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; |
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static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; |
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|
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static void ioapic_init(GSIState *gsi_state) |
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{
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DeviceState *dev; |
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SysBusDevice *d; |
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unsigned int i; |
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|
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dev = qdev_create(NULL, "ioapic"); |
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qdev_init_nofail(dev); |
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d = sysbus_from_qdev(dev); |
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sysbus_mmio_map(d, 0, 0xfec00000); |
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|
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for (i = 0; i < IOAPIC_NUM_PINS; i++) { |
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gsi_state->ioapic_irq[i] = qdev_get_gpio_in(dev, i); |
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} |
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} |
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|
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/* PC hardware initialisation */
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static void pc_init1(MemoryRegion *system_memory, |
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MemoryRegion *system_io, |
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ram_addr_t ram_size, |
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const char *boot_device, |
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const char *kernel_filename, |
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const char *kernel_cmdline, |
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const char *initrd_filename, |
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const char *cpu_model, |
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int pci_enabled,
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int kvmclock_enabled)
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{
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int i;
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ram_addr_t below_4g_mem_size, above_4g_mem_size; |
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PCIBus *pci_bus; |
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PCII440FXState *i440fx_state; |
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int piix3_devfn = -1; |
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qemu_irq *cpu_irq; |
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qemu_irq *gsi; |
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qemu_irq *i8259; |
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qemu_irq *cmos_s3; |
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qemu_irq *smi_irq; |
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GSIState *gsi_state; |
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DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; |
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BusState *idebus[MAX_IDE_BUS]; |
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ISADevice *rtc_state; |
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ISADevice *floppy; |
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MemoryRegion *ram_memory; |
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MemoryRegion *pci_memory; |
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MemoryRegion *rom_memory; |
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pc_cpus_init(cpu_model); |
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if (kvmclock_enabled) {
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kvmclock_create(); |
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} |
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if (ram_size >= 0xe0000000 ) { |
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above_4g_mem_size = ram_size - 0xe0000000;
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below_4g_mem_size = 0xe0000000;
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} else {
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above_4g_mem_size = 0;
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below_4g_mem_size = ram_size; |
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} |
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if (pci_enabled) {
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pci_memory = g_new(MemoryRegion, 1);
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memory_region_init(pci_memory, "pci", INT64_MAX);
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rom_memory = pci_memory; |
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} else {
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pci_memory = NULL;
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rom_memory = system_memory; |
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} |
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/* allocate ram and load rom/bios */
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if (!xen_enabled()) {
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pc_memory_init(system_memory, |
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kernel_filename, kernel_cmdline, initrd_filename, |
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below_4g_mem_size, above_4g_mem_size, |
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pci_enabled ? rom_memory : system_memory, &ram_memory); |
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} |
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gsi_state = g_malloc0(sizeof(*gsi_state));
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gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS); |
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if (pci_enabled) {
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pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, gsi, |
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system_memory, system_io, ram_size, |
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below_4g_mem_size, |
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0x100000000ULL - below_4g_mem_size,
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0x100000000ULL + above_4g_mem_size,
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(sizeof(target_phys_addr_t) == 4 |
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? 0
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: ((uint64_t)1 << 62)), |
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pci_memory, ram_memory); |
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} else {
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pci_bus = NULL;
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i440fx_state = NULL;
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isa_bus_new(NULL, system_io);
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no_hpet = 1;
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} |
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isa_bus_irqs(gsi); |
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if (!xen_enabled()) {
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cpu_irq = pc_allocate_cpu_irq(); |
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i8259 = i8259_init(cpu_irq[0]);
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} else {
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i8259 = xen_interrupt_controller_init(); |
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} |
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for (i = 0; i < ISA_NUM_IRQS; i++) { |
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gsi_state->i8259_irq[i] = i8259[i]; |
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} |
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if (pci_enabled) {
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ioapic_init(gsi_state); |
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} |
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pc_register_ferr_irq(gsi[13]);
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pc_vga_init(pci_enabled? pci_bus: NULL);
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if (xen_enabled()) {
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pci_create_simple(pci_bus, -1, "xen-platform"); |
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} |
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/* init basic PC hardware */
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pc_basic_device_init(gsi, &rtc_state, &floppy, xen_enabled()); |
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for(i = 0; i < nb_nics; i++) { |
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NICInfo *nd = &nd_table[i]; |
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if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0)) |
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pc_init_ne2k_isa(nd); |
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else
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pci_nic_init_nofail(nd, "e1000", NULL); |
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} |
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ide_drive_get(hd, MAX_IDE_BUS); |
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if (pci_enabled) {
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PCIDevice *dev; |
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if (xen_enabled()) {
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dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
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} else {
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dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
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} |
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idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); |
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idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); |
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} else {
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for(i = 0; i < MAX_IDE_BUS; i++) { |
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ISADevice *dev; |
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dev = isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i], |
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hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
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idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
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} |
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} |
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audio_init(gsi, pci_enabled ? pci_bus : NULL);
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pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device, |
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floppy, idebus[0], idebus[1], rtc_state); |
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if (pci_enabled && usb_enabled) {
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usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
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} |
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if (pci_enabled && acpi_enabled) {
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i2c_bus *smbus; |
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if (!xen_enabled()) {
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cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1);
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} else {
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cmos_s3 = qemu_allocate_irqs(xen_cmos_set_s3_resume, rtc_state, 1);
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} |
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smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
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/* TODO: Populate SPD eeprom data. */
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smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, |
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gsi[9], *cmos_s3, *smi_irq,
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kvm_enabled()); |
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smbus_eeprom_init(smbus, 8, NULL, 0); |
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} |
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if (pci_enabled) {
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pc_pci_device_init(pci_bus); |
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} |
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} |
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static void pc_init_pci(ram_addr_t ram_size, |
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const char *boot_device, |
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const char *kernel_filename, |
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const char *kernel_cmdline, |
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const char *initrd_filename, |
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const char *cpu_model) |
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{
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pc_init1(get_system_memory(), |
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get_system_io(), |
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ram_size, boot_device, |
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kernel_filename, kernel_cmdline, |
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initrd_filename, cpu_model, 1, 1); |
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} |
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static void pc_init_pci_no_kvmclock(ram_addr_t ram_size, |
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const char *boot_device, |
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const char *kernel_filename, |
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const char *kernel_cmdline, |
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const char *initrd_filename, |
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const char *cpu_model) |
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{
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pc_init1(get_system_memory(), |
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get_system_io(), |
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ram_size, boot_device, |
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kernel_filename, kernel_cmdline, |
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initrd_filename, cpu_model, 1, 0); |
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} |
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static void pc_init_isa(ram_addr_t ram_size, |
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const char *boot_device, |
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const char *kernel_filename, |
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const char *kernel_cmdline, |
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const char *initrd_filename, |
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const char *cpu_model) |
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{
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if (cpu_model == NULL) |
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cpu_model = "486";
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pc_init1(get_system_memory(), |
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get_system_io(), |
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ram_size, boot_device, |
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kernel_filename, kernel_cmdline, |
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initrd_filename, cpu_model, 0, 1); |
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} |
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#ifdef CONFIG_XEN
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static void pc_xen_hvm_init(ram_addr_t ram_size, |
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const char *boot_device, |
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const char *kernel_filename, |
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const char *kernel_cmdline, |
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const char *initrd_filename, |
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const char *cpu_model) |
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{
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if (xen_hvm_init() != 0) { |
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hw_error("xen hardware virtual machine initialisation failed");
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} |
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pc_init_pci_no_kvmclock(ram_size, boot_device, |
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kernel_filename, kernel_cmdline, |
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initrd_filename, cpu_model); |
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xen_vcpu_init(); |
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} |
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#endif
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static QEMUMachine pc_machine = {
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.name = "pc-0.14",
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.alias = "pc",
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.desc = "Standard PC",
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.init = pc_init_pci, |
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.max_cpus = 255,
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.is_default = 1,
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}; |
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static QEMUMachine pc_machine_v0_13 = {
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.name = "pc-0.13",
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.desc = "Standard PC",
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.init = pc_init_pci_no_kvmclock, |
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.max_cpus = 255,
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.compat_props = (GlobalProperty[]) {
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{
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.driver = "virtio-9p-pci",
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.property = "vectors",
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.value = stringify(0),
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},{
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.driver = "VGA",
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.property = "rombar",
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.value = stringify(0),
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},{
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.driver = "vmware-svga",
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.property = "rombar",
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.value = stringify(0),
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},{
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.driver = "PCI",
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.property = "command_serr_enable",
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.value = "off",
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},{
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.driver = "virtio-blk-pci",
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.property = "event_idx",
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.value = "off",
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},{
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.driver = "virtio-serial-pci",
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.property = "event_idx",
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.value = "off",
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},{
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.driver = "virtio-net-pci",
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.property = "event_idx",
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.value = "off",
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}, |
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{ /* end of list */ }
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}, |
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}; |
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|
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static QEMUMachine pc_machine_v0_12 = {
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.name = "pc-0.12",
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.desc = "Standard PC",
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.init = pc_init_pci_no_kvmclock, |
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.max_cpus = 255,
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.compat_props = (GlobalProperty[]) {
|
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{
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.driver = "virtio-serial-pci",
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.property = "max_ports",
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.value = stringify(1),
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},{
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.driver = "virtio-serial-pci",
|
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.property = "vectors",
|
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.value = stringify(0),
|
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},{
|
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.driver = "VGA",
|
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.property = "rombar",
|
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.value = stringify(0),
|
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},{
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.driver = "vmware-svga",
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.property = "rombar",
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.value = stringify(0),
|
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},{
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.driver = "PCI",
|
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.property = "command_serr_enable",
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.value = "off",
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},{
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.driver = "virtio-blk-pci",
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.property = "event_idx",
|
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.value = "off",
|
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},{
|
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.driver = "virtio-serial-pci",
|
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.property = "event_idx",
|
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.value = "off",
|
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},{
|
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.driver = "virtio-net-pci",
|
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.property = "event_idx",
|
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.value = "off",
|
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}, |
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{ /* end of list */ }
|
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} |
| 389 |
}; |
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|
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static QEMUMachine pc_machine_v0_11 = {
|
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.name = "pc-0.11",
|
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.desc = "Standard PC, qemu 0.11",
|
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.init = pc_init_pci_no_kvmclock, |
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.max_cpus = 255,
|
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.compat_props = (GlobalProperty[]) {
|
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{
|
| 398 |
.driver = "virtio-blk-pci",
|
| 399 |
.property = "vectors",
|
| 400 |
.value = stringify(0),
|
| 401 |
},{
|
| 402 |
.driver = "virtio-serial-pci",
|
| 403 |
.property = "max_ports",
|
| 404 |
.value = stringify(1),
|
| 405 |
},{
|
| 406 |
.driver = "virtio-serial-pci",
|
| 407 |
.property = "vectors",
|
| 408 |
.value = stringify(0),
|
| 409 |
},{
|
| 410 |
.driver = "ide-drive",
|
| 411 |
.property = "ver",
|
| 412 |
.value = "0.11",
|
| 413 |
},{
|
| 414 |
.driver = "scsi-disk",
|
| 415 |
.property = "ver",
|
| 416 |
.value = "0.11",
|
| 417 |
},{
|
| 418 |
.driver = "PCI",
|
| 419 |
.property = "rombar",
|
| 420 |
.value = stringify(0),
|
| 421 |
},{
|
| 422 |
.driver = "PCI",
|
| 423 |
.property = "command_serr_enable",
|
| 424 |
.value = "off",
|
| 425 |
},{
|
| 426 |
.driver = "virtio-blk-pci",
|
| 427 |
.property = "event_idx",
|
| 428 |
.value = "off",
|
| 429 |
},{
|
| 430 |
.driver = "virtio-serial-pci",
|
| 431 |
.property = "event_idx",
|
| 432 |
.value = "off",
|
| 433 |
},{
|
| 434 |
.driver = "virtio-net-pci",
|
| 435 |
.property = "event_idx",
|
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.value = "off",
|
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}, |
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{ /* end of list */ }
|
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} |
| 440 |
}; |
| 441 |
|
| 442 |
static QEMUMachine pc_machine_v0_10 = {
|
| 443 |
.name = "pc-0.10",
|
| 444 |
.desc = "Standard PC, qemu 0.10",
|
| 445 |
.init = pc_init_pci_no_kvmclock, |
| 446 |
.max_cpus = 255,
|
| 447 |
.compat_props = (GlobalProperty[]) {
|
| 448 |
{
|
| 449 |
.driver = "virtio-blk-pci",
|
| 450 |
.property = "class",
|
| 451 |
.value = stringify(PCI_CLASS_STORAGE_OTHER), |
| 452 |
},{
|
| 453 |
.driver = "virtio-serial-pci",
|
| 454 |
.property = "class",
|
| 455 |
.value = stringify(PCI_CLASS_DISPLAY_OTHER), |
| 456 |
},{
|
| 457 |
.driver = "virtio-serial-pci",
|
| 458 |
.property = "max_ports",
|
| 459 |
.value = stringify(1),
|
| 460 |
},{
|
| 461 |
.driver = "virtio-serial-pci",
|
| 462 |
.property = "vectors",
|
| 463 |
.value = stringify(0),
|
| 464 |
},{
|
| 465 |
.driver = "virtio-net-pci",
|
| 466 |
.property = "vectors",
|
| 467 |
.value = stringify(0),
|
| 468 |
},{
|
| 469 |
.driver = "virtio-blk-pci",
|
| 470 |
.property = "vectors",
|
| 471 |
.value = stringify(0),
|
| 472 |
},{
|
| 473 |
.driver = "ide-drive",
|
| 474 |
.property = "ver",
|
| 475 |
.value = "0.10",
|
| 476 |
},{
|
| 477 |
.driver = "scsi-disk",
|
| 478 |
.property = "ver",
|
| 479 |
.value = "0.10",
|
| 480 |
},{
|
| 481 |
.driver = "PCI",
|
| 482 |
.property = "rombar",
|
| 483 |
.value = stringify(0),
|
| 484 |
},{
|
| 485 |
.driver = "PCI",
|
| 486 |
.property = "command_serr_enable",
|
| 487 |
.value = "off",
|
| 488 |
},{
|
| 489 |
.driver = "virtio-blk-pci",
|
| 490 |
.property = "event_idx",
|
| 491 |
.value = "off",
|
| 492 |
},{
|
| 493 |
.driver = "virtio-serial-pci",
|
| 494 |
.property = "event_idx",
|
| 495 |
.value = "off",
|
| 496 |
},{
|
| 497 |
.driver = "virtio-net-pci",
|
| 498 |
.property = "event_idx",
|
| 499 |
.value = "off",
|
| 500 |
}, |
| 501 |
{ /* end of list */ }
|
| 502 |
}, |
| 503 |
}; |
| 504 |
|
| 505 |
static QEMUMachine isapc_machine = {
|
| 506 |
.name = "isapc",
|
| 507 |
.desc = "ISA-only PC",
|
| 508 |
.init = pc_init_isa, |
| 509 |
.max_cpus = 1,
|
| 510 |
}; |
| 511 |
|
| 512 |
#ifdef CONFIG_XEN
|
| 513 |
static QEMUMachine xenfv_machine = {
|
| 514 |
.name = "xenfv",
|
| 515 |
.desc = "Xen Fully-virtualized PC",
|
| 516 |
.init = pc_xen_hvm_init, |
| 517 |
.max_cpus = HVM_MAX_VCPUS, |
| 518 |
.default_machine_opts = "accel=xen",
|
| 519 |
}; |
| 520 |
#endif
|
| 521 |
|
| 522 |
static void pc_machine_init(void) |
| 523 |
{
|
| 524 |
qemu_register_machine(&pc_machine); |
| 525 |
qemu_register_machine(&pc_machine_v0_13); |
| 526 |
qemu_register_machine(&pc_machine_v0_12); |
| 527 |
qemu_register_machine(&pc_machine_v0_11); |
| 528 |
qemu_register_machine(&pc_machine_v0_10); |
| 529 |
qemu_register_machine(&isapc_machine); |
| 530 |
#ifdef CONFIG_XEN
|
| 531 |
qemu_register_machine(&xenfv_machine); |
| 532 |
#endif
|
| 533 |
} |
| 534 |
|
| 535 |
machine_init(pc_machine_init); |