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/loader.h"
29 #include "hw/i386/pc.h"
30 #include "hw/i386/apic.h"
31 #include "hw/pci/pci.h"
32 #include "hw/pci/pci_ids.h"
35 #include "hw/boards.h"
37 #include "sysemu/kvm.h"
38 #include "hw/kvm/clock.h"
39 #include "sysemu/sysemu.h"
40 #include "hw/sysbus.h"
41 #include "hw/cpu/icc_bus.h"
42 #include "sysemu/arch_init.h"
43 #include "sysemu/blockdev.h"
44 #include "hw/i2c/smbus.h"
45 #include "hw/xen/xen.h"
46 #include "exec/memory.h"
47 #include "exec/address-spaces.h"
48 #include "hw/acpi/acpi.h"
51 # include <xen/hvm/hvm_info_table.h>
56 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
57 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
58 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
60 static bool has_pci_info;
61 static bool has_acpi_build = true;
63 /* PC hardware initialisation */
64 static void pc_init1(QEMUMachineInitArgs *args,
68 MemoryRegion *system_memory = get_system_memory();
69 MemoryRegion *system_io = get_system_io();
71 ram_addr_t below_4g_mem_size, above_4g_mem_size;
74 PCII440FXState *i440fx_state;
81 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
82 BusState *idebus[MAX_IDE_BUS];
85 MemoryRegion *ram_memory;
86 MemoryRegion *pci_memory;
87 MemoryRegion *rom_memory;
88 DeviceState *icc_bridge;
89 FWCfgState *fw_cfg = NULL;
90 PcGuestInfo *guest_info;
92 if (xen_enabled() && xen_hvm_init(&ram_memory) != 0) {
93 fprintf(stderr, "xen hardware virtual machine initialisation failed\n");
97 icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
98 object_property_add_child(qdev_get_machine(), "icc-bridge",
99 OBJECT(icc_bridge), NULL);
101 pc_cpus_init(args->cpu_model, icc_bridge);
103 if (kvm_enabled() && kvmclock_enabled) {
107 if (args->ram_size >= 0xe0000000) {
108 above_4g_mem_size = args->ram_size - 0xe0000000;
109 below_4g_mem_size = 0xe0000000;
111 above_4g_mem_size = 0;
112 below_4g_mem_size = args->ram_size;
116 pci_memory = g_new(MemoryRegion, 1);
117 memory_region_init(pci_memory, NULL, "pci", INT64_MAX);
118 rom_memory = pci_memory;
121 rom_memory = system_memory;
124 guest_info = pc_guest_info_init(below_4g_mem_size, above_4g_mem_size);
126 guest_info->has_acpi_build = has_acpi_build;
128 guest_info->has_pci_info = has_pci_info;
129 guest_info->isapc_ram_fw = !pci_enabled;
131 /* allocate ram and load rom/bios */
132 if (!xen_enabled()) {
133 fw_cfg = pc_memory_init(system_memory,
134 args->kernel_filename, args->kernel_cmdline,
135 args->initrd_filename,
136 below_4g_mem_size, above_4g_mem_size,
137 rom_memory, &ram_memory, guest_info);
140 gsi_state = g_malloc0(sizeof(*gsi_state));
141 if (kvm_irqchip_in_kernel()) {
142 kvm_pc_setup_irq_routing(pci_enabled);
143 gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
146 gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
150 pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
151 system_memory, system_io, args->ram_size,
153 0x100000000ULL - below_4g_mem_size,
155 pci_memory, ram_memory);
159 isa_bus = isa_bus_new(NULL, system_io);
162 isa_bus_irqs(isa_bus, gsi);
164 if (kvm_irqchip_in_kernel()) {
165 i8259 = kvm_i8259_init(isa_bus);
166 } else if (xen_enabled()) {
167 i8259 = xen_interrupt_controller_init();
169 cpu_irq = pc_allocate_cpu_irq();
170 i8259 = i8259_init(isa_bus, cpu_irq[0]);
173 for (i = 0; i < ISA_NUM_IRQS; i++) {
174 gsi_state->i8259_irq[i] = i8259[i];
177 ioapic_init_gsi(gsi_state, "i440fx");
179 qdev_init_nofail(icc_bridge);
181 pc_register_ferr_irq(gsi[13]);
183 pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
185 /* init basic PC hardware */
186 pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled());
188 pc_nic_init(isa_bus, pci_bus);
190 ide_drive_get(hd, MAX_IDE_BUS);
194 dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
196 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
198 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
199 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
201 for(i = 0; i < MAX_IDE_BUS; i++) {
203 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
205 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
206 idebus[i] = qdev_get_child_bus(DEVICE(dev), "ide.0");
210 pc_cmos_init(below_4g_mem_size, above_4g_mem_size, args->boot_order,
211 floppy, idebus[0], idebus[1], rtc_state);
213 if (pci_enabled && usb_enabled(false)) {
214 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
217 if (pci_enabled && acpi_enabled) {
220 smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
221 /* TODO: Populate SPD eeprom data. */
222 smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
224 kvm_enabled(), fw_cfg);
225 smbus_eeprom_init(smbus, 8, NULL, 0);
229 pc_pci_device_init(pci_bus);
233 static void pc_init_pci(QEMUMachineInitArgs *args)
235 pc_init1(args, 1, 1);
238 static void pc_compat_1_6(QEMUMachineInitArgs *args)
240 has_pci_info = false;
241 rom_file_in_ram = false;
242 has_acpi_build = false;
245 static void pc_compat_1_5(QEMUMachineInitArgs *args)
250 static void pc_compat_1_4(QEMUMachineInitArgs *args)
253 x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
254 x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0, CPUID_EXT_PCLMULQDQ);
257 static void pc_compat_1_3(QEMUMachineInitArgs *args)
260 enable_compat_apic_id_mode();
263 /* PC compat function for pc-0.14 to pc-1.2 */
264 static void pc_compat_1_2(QEMUMachineInitArgs *args)
267 disable_kvm_pv_eoi();
270 static void pc_init_pci_1_6(QEMUMachineInitArgs *args)
276 static void pc_init_pci_1_5(QEMUMachineInitArgs *args)
282 static void pc_init_pci_1_4(QEMUMachineInitArgs *args)
288 static void pc_init_pci_1_3(QEMUMachineInitArgs *args)
294 /* PC machine init function for pc-0.14 to pc-1.2 */
295 static void pc_init_pci_1_2(QEMUMachineInitArgs *args)
301 /* PC init function for pc-0.10 to pc-0.13, and reused by xenfv */
302 static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args)
304 has_pci_info = false;
305 has_acpi_build = false;
306 disable_kvm_pv_eoi();
307 enable_compat_apic_id_mode();
308 pc_init1(args, 1, 0);
311 static void pc_init_isa(QEMUMachineInitArgs *args)
313 has_pci_info = false;
314 has_acpi_build = false;
315 if (!args->cpu_model) {
316 args->cpu_model = "486";
318 disable_kvm_pv_eoi();
319 enable_compat_apic_id_mode();
320 pc_init1(args, 0, 1);
324 static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
330 bus = pci_find_primary_bus();
332 pci_create_simple(bus, -1, "xen-platform");
337 #define PC_I440FX_MACHINE_OPTIONS \
338 PC_DEFAULT_MACHINE_OPTIONS, \
339 .desc = "Standard PC (i440FX + PIIX, 1996)", \
340 .hot_add_cpu = pc_hot_add_cpu
342 #define PC_I440FX_2_0_MACHINE_OPTIONS \
343 PC_I440FX_MACHINE_OPTIONS, \
344 .default_machine_opts = "firmware=bios-256k.bin"
346 static QEMUMachine pc_i440fx_machine_v2_0 = {
347 PC_I440FX_2_0_MACHINE_OPTIONS,
348 .name = "pc-i440fx-2.0",
354 #define PC_I440FX_1_7_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
356 static QEMUMachine pc_i440fx_machine_v1_7 = {
357 PC_I440FX_1_7_MACHINE_OPTIONS,
358 .name = "pc-i440fx-1.7",
362 #define PC_I440FX_1_6_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
364 static QEMUMachine pc_i440fx_machine_v1_6 = {
365 PC_I440FX_1_6_MACHINE_OPTIONS,
366 .name = "pc-i440fx-1.6",
367 .init = pc_init_pci_1_6,
368 .compat_props = (GlobalProperty[]) {
370 { /* end of list */ }
374 static QEMUMachine pc_i440fx_machine_v1_5 = {
375 PC_I440FX_1_6_MACHINE_OPTIONS,
376 .name = "pc-i440fx-1.5",
377 .init = pc_init_pci_1_5,
378 .compat_props = (GlobalProperty[]) {
380 { /* end of list */ }
384 #define PC_I440FX_1_4_MACHINE_OPTIONS \
385 PC_I440FX_1_6_MACHINE_OPTIONS, \
388 static QEMUMachine pc_i440fx_machine_v1_4 = {
389 PC_I440FX_1_4_MACHINE_OPTIONS,
390 .name = "pc-i440fx-1.4",
391 .init = pc_init_pci_1_4,
392 .compat_props = (GlobalProperty[]) {
394 { /* end of list */ }
398 #define PC_COMPAT_1_3 \
401 .driver = "usb-tablet",\
402 .property = "usb_version",\
403 .value = stringify(1),\
405 .driver = "virtio-net-pci",\
406 .property = "ctrl_mac_addr",\
409 .driver = "virtio-net-pci", \
414 .property = "autonegotiation",\
418 static QEMUMachine pc_machine_v1_3 = {
419 PC_I440FX_1_4_MACHINE_OPTIONS,
421 .init = pc_init_pci_1_3,
422 .compat_props = (GlobalProperty[]) {
424 { /* end of list */ }
428 #define PC_COMPAT_1_2 \
431 .driver = "nec-usb-xhci",\
435 .driver = "nec-usb-xhci",\
439 .driver = "ivshmem",\
440 .property = "use64",\
444 .property = "revision",\
445 .value = stringify(3),\
447 .driver = "qxl-vga",\
448 .property = "revision",\
449 .value = stringify(3),\
456 #define PC_I440FX_1_2_MACHINE_OPTIONS \
457 PC_I440FX_1_4_MACHINE_OPTIONS, \
458 .init = pc_init_pci_1_2
460 static QEMUMachine pc_machine_v1_2 = {
461 PC_I440FX_1_2_MACHINE_OPTIONS,
463 .compat_props = (GlobalProperty[]) {
465 { /* end of list */ }
469 #define PC_COMPAT_1_1 \
472 .driver = "virtio-scsi-pci",\
473 .property = "hotplug",\
476 .driver = "virtio-scsi-pci",\
477 .property = "param_change",\
481 .property = "vgamem_mb",\
482 .value = stringify(8),\
484 .driver = "vmware-svga",\
485 .property = "vgamem_mb",\
486 .value = stringify(8),\
488 .driver = "qxl-vga",\
489 .property = "vgamem_mb",\
490 .value = stringify(8),\
493 .property = "vgamem_mb",\
494 .value = stringify(8),\
496 .driver = "virtio-blk-pci",\
497 .property = "config-wce",\
501 static QEMUMachine pc_machine_v1_1 = {
502 PC_I440FX_1_2_MACHINE_OPTIONS,
504 .compat_props = (GlobalProperty[]) {
506 { /* end of list */ }
510 #define PC_COMPAT_1_0 \
513 .driver = TYPE_ISA_FDC,\
514 .property = "check_media_rate",\
517 .driver = "virtio-balloon-pci",\
518 .property = "class",\
519 .value = stringify(PCI_CLASS_MEMORY_RAM),\
522 .property = "vapic",\
525 .driver = TYPE_USB_DEVICE,\
526 .property = "full-path",\
530 static QEMUMachine pc_machine_v1_0 = {
531 PC_I440FX_1_2_MACHINE_OPTIONS,
533 .compat_props = (GlobalProperty[]) {
535 { /* end of list */ }
540 #define PC_COMPAT_0_15 \
543 static QEMUMachine pc_machine_v0_15 = {
544 PC_I440FX_1_2_MACHINE_OPTIONS,
546 .compat_props = (GlobalProperty[]) {
548 { /* end of list */ }
550 .hw_version = "0.15",
553 #define PC_COMPAT_0_14 \
556 .driver = "virtio-blk-pci",\
557 .property = "event_idx",\
560 .driver = "virtio-serial-pci",\
561 .property = "event_idx",\
564 .driver = "virtio-net-pci",\
565 .property = "event_idx",\
568 .driver = "virtio-balloon-pci",\
569 .property = "event_idx",\
573 static QEMUMachine pc_machine_v0_14 = {
574 PC_I440FX_1_2_MACHINE_OPTIONS,
576 .compat_props = (GlobalProperty[]) {
580 .property = "revision",
581 .value = stringify(2),
584 .property = "revision",
585 .value = stringify(2),
587 { /* end of list */ }
589 .hw_version = "0.14",
592 #define PC_COMPAT_0_13 \
595 .driver = TYPE_PCI_DEVICE,\
596 .property = "command_serr_enable",\
600 .property = "use_broken_id",\
601 .value = stringify(1),\
604 #define PC_I440FX_0_13_MACHINE_OPTIONS \
605 PC_I440FX_1_2_MACHINE_OPTIONS, \
606 .init = pc_init_pci_no_kvmclock
608 static QEMUMachine pc_machine_v0_13 = {
609 PC_I440FX_0_13_MACHINE_OPTIONS,
611 .compat_props = (GlobalProperty[]) {
614 .driver = "virtio-9p-pci",
615 .property = "vectors",
616 .value = stringify(0),
619 .property = "rombar",
620 .value = stringify(0),
622 .driver = "vmware-svga",
623 .property = "rombar",
624 .value = stringify(0),
626 { /* end of list */ }
628 .hw_version = "0.13",
631 #define PC_COMPAT_0_12 \
634 .driver = "virtio-serial-pci",\
635 .property = "max_ports",\
636 .value = stringify(1),\
638 .driver = "virtio-serial-pci",\
639 .property = "vectors",\
640 .value = stringify(0),\
642 .driver = "usb-mouse",\
643 .property = "serial",\
646 .driver = "usb-tablet",\
647 .property = "serial",\
650 .driver = "usb-kbd",\
651 .property = "serial",\
655 static QEMUMachine pc_machine_v0_12 = {
656 PC_I440FX_0_13_MACHINE_OPTIONS,
658 .compat_props = (GlobalProperty[]) {
662 .property = "rombar",
663 .value = stringify(0),
665 .driver = "vmware-svga",
666 .property = "rombar",
667 .value = stringify(0),
669 { /* end of list */ }
671 .hw_version = "0.12",
674 #define PC_COMPAT_0_11 \
677 .driver = "virtio-blk-pci",\
678 .property = "vectors",\
679 .value = stringify(0),\
681 .driver = TYPE_PCI_DEVICE,\
682 .property = "rombar",\
683 .value = stringify(0),\
686 static QEMUMachine pc_machine_v0_11 = {
687 PC_I440FX_0_13_MACHINE_OPTIONS,
689 .compat_props = (GlobalProperty[]) {
692 .driver = "ide-drive",
696 .driver = "scsi-disk",
700 { /* end of list */ }
702 .hw_version = "0.11",
705 static QEMUMachine pc_machine_v0_10 = {
706 PC_I440FX_0_13_MACHINE_OPTIONS,
708 .compat_props = (GlobalProperty[]) {
711 .driver = "virtio-blk-pci",
713 .value = stringify(PCI_CLASS_STORAGE_OTHER),
715 .driver = "virtio-serial-pci",
717 .value = stringify(PCI_CLASS_DISPLAY_OTHER),
719 .driver = "virtio-net-pci",
720 .property = "vectors",
721 .value = stringify(0),
723 .driver = "ide-drive",
727 .driver = "scsi-disk",
731 { /* end of list */ }
733 .hw_version = "0.10",
736 static QEMUMachine isapc_machine = {
737 PC_COMMON_MACHINE_OPTIONS,
739 .desc = "ISA-only PC",
742 .compat_props = (GlobalProperty[]) {
743 { /* end of list */ }
748 static QEMUMachine xenfv_machine = {
749 PC_COMMON_MACHINE_OPTIONS,
751 .desc = "Xen Fully-virtualized PC",
752 .init = pc_xen_hvm_init,
753 .max_cpus = HVM_MAX_VCPUS,
754 .default_machine_opts = "accel=xen",
755 .hot_add_cpu = pc_hot_add_cpu,
759 static void pc_machine_init(void)
761 qemu_register_machine(&pc_i440fx_machine_v2_0);
762 qemu_register_machine(&pc_i440fx_machine_v1_7);
763 qemu_register_machine(&pc_i440fx_machine_v1_6);
764 qemu_register_machine(&pc_i440fx_machine_v1_5);
765 qemu_register_machine(&pc_i440fx_machine_v1_4);
766 qemu_register_machine(&pc_machine_v1_3);
767 qemu_register_machine(&pc_machine_v1_2);
768 qemu_register_machine(&pc_machine_v1_1);
769 qemu_register_machine(&pc_machine_v1_0);
770 qemu_register_machine(&pc_machine_v0_15);
771 qemu_register_machine(&pc_machine_v0_14);
772 qemu_register_machine(&pc_machine_v0_13);
773 qemu_register_machine(&pc_machine_v0_12);
774 qemu_register_machine(&pc_machine_v0_11);
775 qemu_register_machine(&pc_machine_v0_10);
776 qemu_register_machine(&isapc_machine);
778 qemu_register_machine(&xenfv_machine);
782 machine_init(pc_machine_init);