mirror of
https://github.com/qemu/qemu.git
synced 2024-11-30 15:23:34 +08:00
7267c0947d
qemu_malloc/qemu_free no longer exist after this commit. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
512 lines
15 KiB
C
512 lines
15 KiB
C
/*
|
|
* 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 "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;
|
|
|
|
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;
|
|
}
|
|
|
|
/* 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);
|
|
}
|
|
|
|
if (!xen_enabled()) {
|
|
cpu_irq = pc_allocate_cpu_irq();
|
|
i8259 = i8259_init(cpu_irq[0]);
|
|
} else {
|
|
i8259 = xen_interrupt_controller_init();
|
|
}
|
|
isa_irq_state = g_malloc0(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,
|
|
system_memory, system_io, ram_size);
|
|
} else {
|
|
pci_bus = NULL;
|
|
i440fx_state = NULL;
|
|
isa_bus_new(NULL);
|
|
}
|
|
isa_bus_irqs(isa_irq);
|
|
|
|
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 (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(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);
|