* THE SOFTWARE.
*/
+#include <glib.h>
+
#include "hw.h"
#include "pc.h"
#include "apic.h"
#include "boards.h"
#include "ide.h"
#include "kvm.h"
-#include "kvmclock.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_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
-static void ioapic_init(IsaIrqState *isa_irq_state)
+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);
+ }
+ 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;
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);
+ gsi_state->ioapic_irq[i] = qdev_get_gpio_in(dev, i);
}
}
/* PC hardware initialisation */
-static void pc_init1(ram_addr_t ram_size,
+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,
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 *isa_irq;
+ qemu_irq *gsi;
qemu_irq *i8259;
qemu_irq *cmos_s3;
qemu_irq *smi_irq;
- IsaIrqState *isa_irq_state;
+ 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;
+ DeviceState *dev;
pc_cpus_init(cpu_model);
kvmclock_create();
}
- /* 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);
+ 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;
+ }
- 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);
+ 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_enabled() && 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);
}
- 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);
+ 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_new(NULL);
+ isa_bus = isa_bus_new(NULL, system_io);
+ no_hpet = 1;
}
- isa_bus_irqs(isa_irq);
+ isa_bus_irqs(isa_bus, gsi);
- pc_register_ferr_irq(isa_get_irq(13));
+ if (kvm_enabled() && 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]);
+ }
- pc_vga_init(pci_enabled? pci_bus: NULL);
+ 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]);
+
+ dev = pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
+ if (dev) {
+ qdev_property_add_child(qdev_get_root(), "vga", dev, NULL);
+ }
+
+ if (xen_enabled()) {
+ pci_create_simple(pci_bus, -1, "xen-platform");
+ }
/* init basic PC hardware */
- pc_basic_device_init(isa_irq, &rtc_state);
+ 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(nd);
+ 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;
- dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
+ 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");
+
+ /* FIXME there's some major spaghetti here. Somehow we create the
+ * devices on the PIIX before we actually create it. We create the
+ * PIIX3 deep in the recess of the i440fx creation too and then lose
+ * the DeviceState.
+ *
+ * For now, let's "fix" this by making judicious use of paths. This
+ * is not generally the right way to do this.
+ */
+ qdev_property_add_child(qdev_resolve_path("/i440fx/piix3", NULL),
+ "rtc", (DeviceState *)rtc_state, NULL);
} else {
for(i = 0; i < MAX_IDE_BUS; i++) {
ISADevice *dev;
- dev = isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
+ 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_irq, pci_enabled ? pci_bus : NULL);
+ audio_init(isa_bus, pci_enabled ? pci_bus : NULL);
pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
- idebus[0], idebus[1], rtc_state);
+ floppy, 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;
- cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1);
+ 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,
+ gsi[9], *cmos_s3, *smi_irq,
kvm_enabled());
smbus_eeprom_init(smbus, 8, NULL, 0);
}
- if (i440fx_state) {
- i440fx_init_memory_mappings(i440fx_state);
- }
-
if (pci_enabled) {
pc_pci_device_init(pci_bus);
}
const char *initrd_filename,
const char *cpu_model)
{
- pc_init1(ram_size, boot_device,
+ pc_init1(get_system_memory(),
+ get_system_io(),
+ ram_size, boot_device,
kernel_filename, kernel_cmdline,
initrd_filename, cpu_model, 1, 1);
}
const char *initrd_filename,
const char *cpu_model)
{
- pc_init1(ram_size, boot_device,
+ pc_init1(get_system_memory(),
+ get_system_io(),
+ ram_size, boot_device,
kernel_filename, kernel_cmdline,
initrd_filename, cpu_model, 1, 0);
}
{
if (cpu_model == NULL)
cpu_model = "486";
- pc_init1(ram_size, boot_device,
+ pc_init1(get_system_memory(),
+ get_system_io(),
+ ram_size, boot_device,
kernel_filename, kernel_cmdline,
initrd_filename, cpu_model, 0, 1);
}
-static QEMUMachine pc_machine = {
- .name = "pc-0.14",
+#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_0 = {
+ .name = "pc-1.0",
.alias = "pc",
.desc = "Standard PC",
.init = pc_init_pci,
.is_default = 1,
};
+static QEMUMachine pc_machine_v0_15 = {
+ .name = "pc-0.15",
+ .desc = "Standard PC",
+ .init = pc_init_pci,
+ .max_cpus = 255,
+ .is_default = 1,
+};
+
+static QEMUMachine pc_machine_v0_14 = {
+ .name = "pc-0.14",
+ .desc = "Standard PC",
+ .init = pc_init_pci,
+ .max_cpus = 255,
+ .compat_props = (GlobalProperty[]) {
+ {
+ .driver = "qxl",
+ .property = "revision",
+ .value = stringify(2),
+ },{
+ .driver = "qxl-vga",
+ .property = "revision",
+ .value = stringify(2),
+ },{
+ .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",
+ },
+ { /* end of list */ }
+ },
+};
+
static QEMUMachine pc_machine_v0_13 = {
.name = "pc-0.13",
.desc = "Standard PC",
.driver = "virtio-net-pci",
.property = "event_idx",
.value = "off",
+ },{
+ .driver = "virtio-balloon-pci",
+ .property = "event_idx",
+ .value = "off",
+ },{
+ .driver = "AC97",
+ .property = "use_broken_id",
+ .value = stringify(1),
},
{ /* end of list */ }
},
.driver = "virtio-net-pci",
.property = "event_idx",
.value = "off",
+ },{
+ .driver = "virtio-balloon-pci",
+ .property = "event_idx",
+ .value = "off",
+ },{
+ .driver = "AC97",
+ .property = "use_broken_id",
+ .value = stringify(1),
},
{ /* end of list */ }
}
.driver = "virtio-net-pci",
.property = "event_idx",
.value = "off",
+ },{
+ .driver = "virtio-balloon-pci",
+ .property = "event_idx",
+ .value = "off",
+ },{
+ .driver = "AC97",
+ .property = "use_broken_id",
+ .value = stringify(1),
},
{ /* end of list */ }
}
.driver = "virtio-net-pci",
.property = "event_idx",
.value = "off",
+ },{
+ .driver = "virtio-balloon-pci",
+ .property = "event_idx",
+ .value = "off",
+ },{
+ .driver = "AC97",
+ .property = "use_broken_id",
+ .value = stringify(1),
},
{ /* end of list */ }
},
.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_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);
projects / mirror_qemu.git / blobdiff