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_pvpanic;
61 static bool has_pci_info = 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);
125 guest_info->has_pci_info = has_pci_info;
126 guest_info->isapc_ram_fw = !pci_enabled;
128 /* allocate ram and load rom/bios */
129 if (!xen_enabled()) {
130 fw_cfg = pc_memory_init(system_memory,
131 args->kernel_filename, args->kernel_cmdline,
132 args->initrd_filename,
133 below_4g_mem_size, above_4g_mem_size,
134 rom_memory, &ram_memory, guest_info);
137 gsi_state = g_malloc0(sizeof(*gsi_state));
138 if (kvm_irqchip_in_kernel()) {
139 kvm_pc_setup_irq_routing(pci_enabled);
140 gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
143 gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
147 pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
148 system_memory, system_io, args->ram_size,
150 0x100000000ULL - below_4g_mem_size,
152 pci_memory, ram_memory);
156 isa_bus = isa_bus_new(NULL, system_io);
159 isa_bus_irqs(isa_bus, gsi);
161 if (kvm_irqchip_in_kernel()) {
162 i8259 = kvm_i8259_init(isa_bus);
163 } else if (xen_enabled()) {
164 i8259 = xen_interrupt_controller_init();
166 cpu_irq = pc_allocate_cpu_irq();
167 i8259 = i8259_init(isa_bus, cpu_irq[0]);
170 for (i = 0; i < ISA_NUM_IRQS; i++) {
171 gsi_state->i8259_irq[i] = i8259[i];
174 ioapic_init_gsi(gsi_state, "i440fx");
176 qdev_init_nofail(icc_bridge);
178 pc_register_ferr_irq(gsi[13]);
180 pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
182 /* init basic PC hardware */
183 pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled());
185 pc_nic_init(isa_bus, pci_bus);
187 ide_drive_get(hd, MAX_IDE_BUS);
191 dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
193 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
195 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
196 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
198 for(i = 0; i < MAX_IDE_BUS; i++) {
200 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
202 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
203 idebus[i] = qdev_get_child_bus(DEVICE(dev), "ide.0");
207 pc_cmos_init(below_4g_mem_size, above_4g_mem_size, args->boot_order,
208 floppy, idebus[0], idebus[1], rtc_state);
210 if (pci_enabled && usb_enabled(false)) {
211 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
214 if (pci_enabled && acpi_enabled) {
217 smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, 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 pc_init1(args, 1, 1);
239 static void pc_compat_1_6(QEMUMachineInitArgs *args)
241 has_pci_info = false;
242 rom_file_in_ram = false;
245 static void pc_compat_1_5(QEMUMachineInitArgs *args)
251 static void pc_compat_1_4(QEMUMachineInitArgs *args)
255 x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
256 x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0, CPUID_EXT_PCLMULQDQ);
259 static void pc_compat_1_3(QEMUMachineInitArgs *args)
262 enable_compat_apic_id_mode();
265 /* PC compat function for pc-0.14 to pc-1.2 */
266 static void pc_compat_1_2(QEMUMachineInitArgs *args)
269 disable_kvm_pv_eoi();
272 static void pc_init_pci_1_6(QEMUMachineInitArgs *args)
278 static void pc_init_pci_1_5(QEMUMachineInitArgs *args)
284 static void pc_init_pci_1_4(QEMUMachineInitArgs *args)
290 static void pc_init_pci_1_3(QEMUMachineInitArgs *args)
296 /* PC machine init function for pc-0.14 to pc-1.2 */
297 static void pc_init_pci_1_2(QEMUMachineInitArgs *args)
303 /* PC init function for pc-0.10 to pc-0.13, and reused by xenfv */
304 static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args)
306 has_pci_info = false;
307 disable_kvm_pv_eoi();
308 enable_compat_apic_id_mode();
309 pc_init1(args, 1, 0);
312 static void pc_init_isa(QEMUMachineInitArgs *args)
314 has_pci_info = 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_1_7_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
343 static QEMUMachine pc_i440fx_machine_v1_7 = {
344 PC_I440FX_1_7_MACHINE_OPTIONS,
345 .name = "pc-i440fx-1.7",
351 #define PC_I440FX_1_6_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
353 static QEMUMachine pc_i440fx_machine_v1_6 = {
354 PC_I440FX_1_6_MACHINE_OPTIONS,
355 .name = "pc-i440fx-1.6",
356 .init = pc_init_pci_1_6,
357 .compat_props = (GlobalProperty[]) {
359 { /* end of list */ }
363 static QEMUMachine pc_i440fx_machine_v1_5 = {
364 PC_I440FX_1_6_MACHINE_OPTIONS,
365 .name = "pc-i440fx-1.5",
366 .init = pc_init_pci_1_5,
367 .compat_props = (GlobalProperty[]) {
369 { /* end of list */ }
373 #define PC_I440FX_1_4_MACHINE_OPTIONS \
374 PC_I440FX_1_6_MACHINE_OPTIONS, \
377 static QEMUMachine pc_i440fx_machine_v1_4 = {
378 PC_I440FX_1_4_MACHINE_OPTIONS,
379 .name = "pc-i440fx-1.4",
380 .init = pc_init_pci_1_4,
381 .compat_props = (GlobalProperty[]) {
383 { /* end of list */ }
387 #define PC_COMPAT_1_3 \
390 .driver = "usb-tablet",\
391 .property = "usb_version",\
392 .value = stringify(1),\
394 .driver = "virtio-net-pci",\
395 .property = "ctrl_mac_addr",\
398 .driver = "virtio-net-pci", \
403 .property = "autonegotiation",\
407 static QEMUMachine pc_machine_v1_3 = {
408 PC_I440FX_1_4_MACHINE_OPTIONS,
410 .init = pc_init_pci_1_3,
411 .compat_props = (GlobalProperty[]) {
413 { /* end of list */ }
417 #define PC_COMPAT_1_2 \
420 .driver = "nec-usb-xhci",\
424 .driver = "nec-usb-xhci",\
428 .driver = "ivshmem",\
429 .property = "use64",\
433 .property = "revision",\
434 .value = stringify(3),\
436 .driver = "qxl-vga",\
437 .property = "revision",\
438 .value = stringify(3),\
445 #define PC_I440FX_1_2_MACHINE_OPTIONS \
446 PC_I440FX_1_4_MACHINE_OPTIONS, \
447 .init = pc_init_pci_1_2
449 static QEMUMachine pc_machine_v1_2 = {
450 PC_I440FX_1_2_MACHINE_OPTIONS,
452 .compat_props = (GlobalProperty[]) {
454 { /* end of list */ }
458 #define PC_COMPAT_1_1 \
461 .driver = "virtio-scsi-pci",\
462 .property = "hotplug",\
465 .driver = "virtio-scsi-pci",\
466 .property = "param_change",\
470 .property = "vgamem_mb",\
471 .value = stringify(8),\
473 .driver = "vmware-svga",\
474 .property = "vgamem_mb",\
475 .value = stringify(8),\
477 .driver = "qxl-vga",\
478 .property = "vgamem_mb",\
479 .value = stringify(8),\
482 .property = "vgamem_mb",\
483 .value = stringify(8),\
485 .driver = "virtio-blk-pci",\
486 .property = "config-wce",\
490 static QEMUMachine pc_machine_v1_1 = {
491 PC_I440FX_1_2_MACHINE_OPTIONS,
493 .compat_props = (GlobalProperty[]) {
495 { /* end of list */ }
499 #define PC_COMPAT_1_0 \
502 .driver = TYPE_ISA_FDC,\
503 .property = "check_media_rate",\
506 .driver = "virtio-balloon-pci",\
507 .property = "class",\
508 .value = stringify(PCI_CLASS_MEMORY_RAM),\
511 .property = "vapic",\
514 .driver = TYPE_USB_DEVICE,\
515 .property = "full-path",\
519 static QEMUMachine pc_machine_v1_0 = {
520 PC_I440FX_1_2_MACHINE_OPTIONS,
522 .compat_props = (GlobalProperty[]) {
524 { /* end of list */ }
529 #define PC_COMPAT_0_15 \
532 static QEMUMachine pc_machine_v0_15 = {
533 PC_I440FX_1_2_MACHINE_OPTIONS,
535 .compat_props = (GlobalProperty[]) {
537 { /* end of list */ }
539 .hw_version = "0.15",
542 #define PC_COMPAT_0_14 \
545 .driver = "virtio-blk-pci",\
546 .property = "event_idx",\
549 .driver = "virtio-serial-pci",\
550 .property = "event_idx",\
553 .driver = "virtio-net-pci",\
554 .property = "event_idx",\
557 .driver = "virtio-balloon-pci",\
558 .property = "event_idx",\
562 static QEMUMachine pc_machine_v0_14 = {
563 PC_I440FX_1_2_MACHINE_OPTIONS,
565 .compat_props = (GlobalProperty[]) {
569 .property = "revision",
570 .value = stringify(2),
573 .property = "revision",
574 .value = stringify(2),
576 { /* end of list */ }
578 .hw_version = "0.14",
581 #define PC_COMPAT_0_13 \
584 .driver = TYPE_PCI_DEVICE,\
585 .property = "command_serr_enable",\
589 .property = "use_broken_id",\
590 .value = stringify(1),\
593 #define PC_I440FX_0_13_MACHINE_OPTIONS \
594 PC_I440FX_1_2_MACHINE_OPTIONS, \
595 .init = pc_init_pci_no_kvmclock
597 static QEMUMachine pc_machine_v0_13 = {
598 PC_I440FX_0_13_MACHINE_OPTIONS,
600 .compat_props = (GlobalProperty[]) {
603 .driver = "virtio-9p-pci",
604 .property = "vectors",
605 .value = stringify(0),
608 .property = "rombar",
609 .value = stringify(0),
611 .driver = "vmware-svga",
612 .property = "rombar",
613 .value = stringify(0),
615 { /* end of list */ }
617 .hw_version = "0.13",
620 #define PC_COMPAT_0_12 \
623 .driver = "virtio-serial-pci",\
624 .property = "max_ports",\
625 .value = stringify(1),\
627 .driver = "virtio-serial-pci",\
628 .property = "vectors",\
629 .value = stringify(0),\
631 .driver = "usb-mouse",\
632 .property = "serial",\
635 .driver = "usb-tablet",\
636 .property = "serial",\
639 .driver = "usb-kbd",\
640 .property = "serial",\
644 static QEMUMachine pc_machine_v0_12 = {
645 PC_I440FX_0_13_MACHINE_OPTIONS,
647 .compat_props = (GlobalProperty[]) {
651 .property = "rombar",
652 .value = stringify(0),
654 .driver = "vmware-svga",
655 .property = "rombar",
656 .value = stringify(0),
658 { /* end of list */ }
660 .hw_version = "0.12",
663 #define PC_COMPAT_0_11 \
666 .driver = "virtio-blk-pci",\
667 .property = "vectors",\
668 .value = stringify(0),\
670 .driver = TYPE_PCI_DEVICE,\
671 .property = "rombar",\
672 .value = stringify(0),\
675 static QEMUMachine pc_machine_v0_11 = {
676 PC_I440FX_0_13_MACHINE_OPTIONS,
678 .compat_props = (GlobalProperty[]) {
681 .driver = "ide-drive",
685 .driver = "scsi-disk",
689 { /* end of list */ }
691 .hw_version = "0.11",
694 static QEMUMachine pc_machine_v0_10 = {
695 PC_I440FX_0_13_MACHINE_OPTIONS,
697 .compat_props = (GlobalProperty[]) {
700 .driver = "virtio-blk-pci",
702 .value = stringify(PCI_CLASS_STORAGE_OTHER),
704 .driver = "virtio-serial-pci",
706 .value = stringify(PCI_CLASS_DISPLAY_OTHER),
708 .driver = "virtio-net-pci",
709 .property = "vectors",
710 .value = stringify(0),
712 .driver = "ide-drive",
716 .driver = "scsi-disk",
720 { /* end of list */ }
722 .hw_version = "0.10",
725 static QEMUMachine isapc_machine = {
726 PC_COMMON_MACHINE_OPTIONS,
728 .desc = "ISA-only PC",
731 .compat_props = (GlobalProperty[]) {
732 { /* end of list */ }
737 static QEMUMachine xenfv_machine = {
738 PC_COMMON_MACHINE_OPTIONS,
740 .desc = "Xen Fully-virtualized PC",
741 .init = pc_xen_hvm_init,
742 .max_cpus = HVM_MAX_VCPUS,
743 .default_machine_opts = "accel=xen",
747 static void pc_machine_init(void)
749 qemu_register_machine(&pc_i440fx_machine_v1_7);
750 qemu_register_machine(&pc_i440fx_machine_v1_6);
751 qemu_register_machine(&pc_i440fx_machine_v1_5);
752 qemu_register_machine(&pc_i440fx_machine_v1_4);
753 qemu_register_machine(&pc_machine_v1_3);
754 qemu_register_machine(&pc_machine_v1_2);
755 qemu_register_machine(&pc_machine_v1_1);
756 qemu_register_machine(&pc_machine_v1_0);
757 qemu_register_machine(&pc_machine_v0_15);
758 qemu_register_machine(&pc_machine_v0_14);
759 qemu_register_machine(&pc_machine_v0_13);
760 qemu_register_machine(&pc_machine_v0_12);
761 qemu_register_machine(&pc_machine_v0_11);
762 qemu_register_machine(&pc_machine_v0_10);
763 qemu_register_machine(&isapc_machine);
765 qemu_register_machine(&xenfv_machine);
769 machine_init(pc_machine_init);