2 * QEMU PC System Emulator
4 * Copyright (c) 2003-2004 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
28 #include "hw/i386/pc.h"
29 #include "hw/i386/apic.h"
30 #include "hw/pci/pci.h"
31 #include "hw/pci/pci_ids.h"
34 #include "hw/boards.h"
36 #include "sysemu/kvm.h"
37 #include "hw/kvm/clock.h"
38 #include "sysemu/sysemu.h"
39 #include "hw/sysbus.h"
40 #include "hw/cpu/icc_bus.h"
41 #include "sysemu/arch_init.h"
42 #include "sysemu/blockdev.h"
43 #include "hw/i2c/smbus.h"
44 #include "hw/xen/xen.h"
45 #include "exec/memory.h"
46 #include "exec/address-spaces.h"
47 #include "hw/acpi/acpi.h"
50 # include <xen/hvm/hvm_info_table.h>
55 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
56 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
57 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
59 static bool has_pvpanic = true;
61 /* PC hardware initialisation */
62 static void pc_init1(MemoryRegion *system_memory,
63 MemoryRegion *system_io,
65 const char *boot_device,
66 const char *kernel_filename,
67 const char *kernel_cmdline,
68 const char *initrd_filename,
69 const char *cpu_model,
74 ram_addr_t below_4g_mem_size, above_4g_mem_size;
77 PCII440FXState *i440fx_state;
84 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
85 BusState *idebus[MAX_IDE_BUS];
88 MemoryRegion *ram_memory;
89 MemoryRegion *pci_memory;
90 MemoryRegion *rom_memory;
91 DeviceState *icc_bridge;
94 icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
95 object_property_add_child(qdev_get_machine(), "icc-bridge",
96 OBJECT(icc_bridge), NULL);
98 pc_cpus_init(cpu_model, icc_bridge);
99 pc_acpi_init("acpi-dsdt.aml");
101 if (kvmclock_enabled) {
105 if (ram_size >= QEMU_BELOW_4G_RAM_END ) {
106 above_4g_mem_size = ram_size - QEMU_BELOW_4G_RAM_END;
107 below_4g_mem_size = QEMU_BELOW_4G_RAM_END;
109 above_4g_mem_size = 0;
110 below_4g_mem_size = ram_size;
114 pci_memory = g_new(MemoryRegion, 1);
115 memory_region_init(pci_memory, "pci", INT64_MAX);
116 rom_memory = pci_memory;
119 rom_memory = system_memory;
122 /* allocate ram and load rom/bios */
123 if (!xen_enabled()) {
124 fw_cfg = pc_memory_init(system_memory,
125 kernel_filename, kernel_cmdline, initrd_filename,
126 below_4g_mem_size, above_4g_mem_size,
127 rom_memory, &ram_memory);
130 gsi_state = g_malloc0(sizeof(*gsi_state));
131 if (kvm_irqchip_in_kernel()) {
132 kvm_pc_setup_irq_routing(pci_enabled);
133 gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
136 gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
140 pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
141 system_memory, system_io, ram_size,
143 0x100000000ULL - below_4g_mem_size,
144 0x100000000ULL + above_4g_mem_size,
147 : ((uint64_t)1 << 62)),
148 pci_memory, ram_memory);
152 isa_bus = isa_bus_new(NULL, system_io);
155 isa_bus_irqs(isa_bus, gsi);
157 if (kvm_irqchip_in_kernel()) {
158 i8259 = kvm_i8259_init(isa_bus);
159 } else if (xen_enabled()) {
160 i8259 = xen_interrupt_controller_init();
162 cpu_irq = pc_allocate_cpu_irq();
163 i8259 = i8259_init(isa_bus, cpu_irq[0]);
166 for (i = 0; i < ISA_NUM_IRQS; i++) {
167 gsi_state->i8259_irq[i] = i8259[i];
170 ioapic_init_gsi(gsi_state, "i440fx");
172 qdev_init_nofail(icc_bridge);
174 pc_register_ferr_irq(gsi[13]);
176 pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
178 pci_create_simple(pci_bus, -1, "xen-platform");
181 /* init basic PC hardware */
182 pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled());
184 pc_nic_init(isa_bus, pci_bus);
186 ide_drive_get(hd, MAX_IDE_BUS);
190 dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
192 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
194 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
195 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
197 for(i = 0; i < MAX_IDE_BUS; i++) {
199 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
201 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
202 idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
206 pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
207 floppy, idebus[0], idebus[1], rtc_state);
209 if (pci_enabled && usb_enabled(false)) {
210 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
213 if (pci_enabled && acpi_enabled) {
216 smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt,
217 x86_env_get_cpu(first_cpu), 1);
218 /* TODO: Populate SPD eeprom data. */
219 smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
221 kvm_enabled(), fw_cfg);
222 smbus_eeprom_init(smbus, 8, NULL, 0);
226 pc_pci_device_init(pci_bus);
230 pvpanic_init(isa_bus);
234 static void pc_init_pci(QEMUMachineInitArgs *args)
236 ram_addr_t ram_size = args->ram_size;
237 const char *cpu_model = args->cpu_model;
238 const char *kernel_filename = args->kernel_filename;
239 const char *kernel_cmdline = args->kernel_cmdline;
240 const char *initrd_filename = args->initrd_filename;
241 const char *boot_device = args->boot_device;
242 pc_init1(get_system_memory(),
244 ram_size, boot_device,
245 kernel_filename, kernel_cmdline,
246 initrd_filename, cpu_model, 1, 1);
249 static void pc_init_pci_1_4(QEMUMachineInitArgs *args)
252 x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
256 static void pc_init_pci_1_3(QEMUMachineInitArgs *args)
258 enable_compat_apic_id_mode();
263 /* PC machine init function for pc-1.1 to pc-1.2 */
264 static void pc_init_pci_1_2(QEMUMachineInitArgs *args)
266 disable_kvm_pv_eoi();
267 enable_compat_apic_id_mode();
272 /* PC machine init function for pc-0.14 to pc-1.0 */
273 static void pc_init_pci_1_0(QEMUMachineInitArgs *args)
275 disable_kvm_pv_eoi();
276 enable_compat_apic_id_mode();
281 /* PC init function for pc-0.10 to pc-0.13, and reused by xenfv */
282 static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args)
284 ram_addr_t ram_size = args->ram_size;
285 const char *cpu_model = args->cpu_model;
286 const char *kernel_filename = args->kernel_filename;
287 const char *kernel_cmdline = args->kernel_cmdline;
288 const char *initrd_filename = args->initrd_filename;
289 const char *boot_device = args->boot_device;
291 disable_kvm_pv_eoi();
292 enable_compat_apic_id_mode();
293 pc_init1(get_system_memory(),
295 ram_size, boot_device,
296 kernel_filename, kernel_cmdline,
297 initrd_filename, cpu_model, 1, 0);
300 static void pc_init_isa(QEMUMachineInitArgs *args)
302 ram_addr_t ram_size = args->ram_size;
303 const char *cpu_model = args->cpu_model;
304 const char *kernel_filename = args->kernel_filename;
305 const char *kernel_cmdline = args->kernel_cmdline;
306 const char *initrd_filename = args->initrd_filename;
307 const char *boot_device = args->boot_device;
309 if (cpu_model == NULL)
311 disable_kvm_pv_eoi();
312 enable_compat_apic_id_mode();
313 pc_init1(get_system_memory(),
315 ram_size, boot_device,
316 kernel_filename, kernel_cmdline,
317 initrd_filename, cpu_model, 0, 1);
321 static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
323 if (xen_hvm_init() != 0) {
324 hw_error("xen hardware virtual machine initialisation failed");
326 pc_init_pci_no_kvmclock(args);
330 static QEMUMachine pc_i440fx_machine_v1_5 = {
331 .name = "pc-i440fx-1.5",
333 .desc = "Standard PC (i440FX + PIIX, 1996)",
335 .hot_add_cpu = pc_hot_add_cpu,
338 DEFAULT_MACHINE_OPTIONS,
341 static QEMUMachine pc_i440fx_machine_v1_4 = {
342 .name = "pc-i440fx-1.4",
343 .desc = "Standard PC (i440FX + PIIX, 1996)",
344 .init = pc_init_pci_1_4,
346 .compat_props = (GlobalProperty[]) {
348 { /* end of list */ }
350 DEFAULT_MACHINE_OPTIONS,
353 #define PC_COMPAT_1_3 \
356 .driver = "usb-tablet",\
357 .property = "usb_version",\
358 .value = stringify(1),\
360 .driver = "virtio-net-pci",\
361 .property = "ctrl_mac_addr",\
364 .driver = "virtio-net-pci", \
369 .property = "autonegotiation",\
373 static QEMUMachine pc_machine_v1_3 = {
375 .desc = "Standard PC",
376 .init = pc_init_pci_1_3,
378 .compat_props = (GlobalProperty[]) {
380 { /* end of list */ }
382 DEFAULT_MACHINE_OPTIONS,
385 #define PC_COMPAT_1_2 \
388 .driver = "nec-usb-xhci",\
392 .driver = "nec-usb-xhci",\
396 .driver = "ivshmem",\
397 .property = "use64",\
401 .property = "revision",\
402 .value = stringify(3),\
404 .driver = "qxl-vga",\
405 .property = "revision",\
406 .value = stringify(3),\
413 static QEMUMachine pc_machine_v1_2 = {
415 .desc = "Standard PC",
416 .init = pc_init_pci_1_2,
418 .compat_props = (GlobalProperty[]) {
420 { /* end of list */ }
422 DEFAULT_MACHINE_OPTIONS,
425 #define PC_COMPAT_1_1 \
428 .driver = "virtio-scsi-pci",\
429 .property = "hotplug",\
432 .driver = "virtio-scsi-pci",\
433 .property = "param_change",\
437 .property = "vgamem_mb",\
438 .value = stringify(8),\
440 .driver = "vmware-svga",\
441 .property = "vgamem_mb",\
442 .value = stringify(8),\
444 .driver = "qxl-vga",\
445 .property = "vgamem_mb",\
446 .value = stringify(8),\
449 .property = "vgamem_mb",\
450 .value = stringify(8),\
452 .driver = "virtio-blk-pci",\
453 .property = "config-wce",\
457 static QEMUMachine pc_machine_v1_1 = {
459 .desc = "Standard PC",
460 .init = pc_init_pci_1_2,
462 .compat_props = (GlobalProperty[]) {
464 { /* end of list */ }
466 DEFAULT_MACHINE_OPTIONS,
469 #define PC_COMPAT_1_0 \
472 .driver = "pc-sysfw",\
473 .property = "rom_only",\
474 .value = stringify(1),\
476 .driver = TYPE_ISA_FDC,\
477 .property = "check_media_rate",\
480 .driver = "virtio-balloon-pci",\
481 .property = "class",\
482 .value = stringify(PCI_CLASS_MEMORY_RAM),\
485 .property = "vapic",\
488 .driver = TYPE_USB_DEVICE,\
489 .property = "full-path",\
493 static QEMUMachine pc_machine_v1_0 = {
495 .desc = "Standard PC",
496 .init = pc_init_pci_1_0,
498 .compat_props = (GlobalProperty[]) {
500 { /* end of list */ }
503 DEFAULT_MACHINE_OPTIONS,
506 #define PC_COMPAT_0_15 \
509 static QEMUMachine pc_machine_v0_15 = {
511 .desc = "Standard PC",
512 .init = pc_init_pci_1_0,
514 .compat_props = (GlobalProperty[]) {
516 { /* end of list */ }
518 .hw_version = "0.15",
519 DEFAULT_MACHINE_OPTIONS,
522 #define PC_COMPAT_0_14 \
525 .driver = "virtio-blk-pci",\
526 .property = "event_idx",\
529 .driver = "virtio-serial-pci",\
530 .property = "event_idx",\
533 .driver = "virtio-net-pci",\
534 .property = "event_idx",\
537 .driver = "virtio-balloon-pci",\
538 .property = "event_idx",\
542 static QEMUMachine pc_machine_v0_14 = {
544 .desc = "Standard PC",
545 .init = pc_init_pci_1_0,
547 .compat_props = (GlobalProperty[]) {
551 .property = "revision",
552 .value = stringify(2),
555 .property = "revision",
556 .value = stringify(2),
558 { /* end of list */ }
560 .hw_version = "0.14",
561 DEFAULT_MACHINE_OPTIONS,
564 #define PC_COMPAT_0_13 \
567 .driver = TYPE_PCI_DEVICE,\
568 .property = "command_serr_enable",\
572 .property = "use_broken_id",\
573 .value = stringify(1),\
576 static QEMUMachine pc_machine_v0_13 = {
578 .desc = "Standard PC",
579 .init = pc_init_pci_no_kvmclock,
581 .compat_props = (GlobalProperty[]) {
584 .driver = "virtio-9p-pci",
585 .property = "vectors",
586 .value = stringify(0),
589 .property = "rombar",
590 .value = stringify(0),
592 .driver = "vmware-svga",
593 .property = "rombar",
594 .value = stringify(0),
596 { /* end of list */ }
598 .hw_version = "0.13",
599 DEFAULT_MACHINE_OPTIONS,
602 #define PC_COMPAT_0_12 \
605 .driver = "virtio-serial-pci",\
606 .property = "max_ports",\
607 .value = stringify(1),\
609 .driver = "virtio-serial-pci",\
610 .property = "vectors",\
611 .value = stringify(0),\
614 static QEMUMachine pc_machine_v0_12 = {
616 .desc = "Standard PC",
617 .init = pc_init_pci_no_kvmclock,
619 .compat_props = (GlobalProperty[]) {
623 .property = "rombar",
624 .value = stringify(0),
626 .driver = "vmware-svga",
627 .property = "rombar",
628 .value = stringify(0),
630 { /* end of list */ }
632 .hw_version = "0.12",
633 DEFAULT_MACHINE_OPTIONS,
636 #define PC_COMPAT_0_11 \
639 .driver = "virtio-blk-pci",\
640 .property = "vectors",\
641 .value = stringify(0),\
643 .driver = TYPE_PCI_DEVICE,\
644 .property = "rombar",\
645 .value = stringify(0),\
648 static QEMUMachine pc_machine_v0_11 = {
650 .desc = "Standard PC, qemu 0.11",
651 .init = pc_init_pci_no_kvmclock,
653 .compat_props = (GlobalProperty[]) {
656 .driver = "ide-drive",
660 .driver = "scsi-disk",
664 { /* end of list */ }
666 .hw_version = "0.11",
667 DEFAULT_MACHINE_OPTIONS,
670 static QEMUMachine pc_machine_v0_10 = {
672 .desc = "Standard PC, qemu 0.10",
673 .init = pc_init_pci_no_kvmclock,
675 .compat_props = (GlobalProperty[]) {
678 .driver = "virtio-blk-pci",
680 .value = stringify(PCI_CLASS_STORAGE_OTHER),
682 .driver = "virtio-serial-pci",
684 .value = stringify(PCI_CLASS_DISPLAY_OTHER),
686 .driver = "virtio-net-pci",
687 .property = "vectors",
688 .value = stringify(0),
690 .driver = "ide-drive",
694 .driver = "scsi-disk",
698 { /* end of list */ }
700 .hw_version = "0.10",
701 DEFAULT_MACHINE_OPTIONS,
704 static QEMUMachine isapc_machine = {
706 .desc = "ISA-only PC",
709 .compat_props = (GlobalProperty[]) {
711 .driver = "pc-sysfw",
712 .property = "rom_only",
713 .value = stringify(1),
715 { /* end of list */ }
717 DEFAULT_MACHINE_OPTIONS,
721 static QEMUMachine xenfv_machine = {
723 .desc = "Xen Fully-virtualized PC",
724 .init = pc_xen_hvm_init,
725 .max_cpus = HVM_MAX_VCPUS,
726 .default_machine_opts = "accel=xen",
727 DEFAULT_MACHINE_OPTIONS,
731 static void pc_machine_init(void)
733 qemu_register_machine(&pc_i440fx_machine_v1_5);
734 qemu_register_machine(&pc_i440fx_machine_v1_4);
735 qemu_register_machine(&pc_machine_v1_3);
736 qemu_register_machine(&pc_machine_v1_2);
737 qemu_register_machine(&pc_machine_v1_1);
738 qemu_register_machine(&pc_machine_v1_0);
739 qemu_register_machine(&pc_machine_v0_15);
740 qemu_register_machine(&pc_machine_v0_14);
741 qemu_register_machine(&pc_machine_v0_13);
742 qemu_register_machine(&pc_machine_v0_12);
743 qemu_register_machine(&pc_machine_v0_11);
744 qemu_register_machine(&pc_machine_v0_10);
745 qemu_register_machine(&isapc_machine);
747 qemu_register_machine(&xenfv_machine);
751 machine_init(pc_machine_init);