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;
60 static bool has_pci_info = true;
62 /* PC hardware initialisation */
63 static void pc_init1(MemoryRegion *system_memory,
64 MemoryRegion *system_io,
66 const char *boot_device,
67 const char *kernel_filename,
68 const char *kernel_cmdline,
69 const char *initrd_filename,
70 const char *cpu_model,
75 ram_addr_t below_4g_mem_size, above_4g_mem_size;
78 PCII440FXState *i440fx_state;
85 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
86 BusState *idebus[MAX_IDE_BUS];
89 MemoryRegion *ram_memory;
90 MemoryRegion *pci_memory;
91 MemoryRegion *rom_memory;
92 DeviceState *icc_bridge;
93 FWCfgState *fw_cfg = NULL;
94 PcGuestInfo *guest_info;
96 if (xen_enabled() && xen_hvm_init() != 0) {
97 fprintf(stderr, "xen hardware virtual machine initialisation failed\n");
101 icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
102 object_property_add_child(qdev_get_machine(), "icc-bridge",
103 OBJECT(icc_bridge), NULL);
105 pc_cpus_init(cpu_model, icc_bridge);
106 pc_acpi_init("acpi-dsdt.aml");
108 if (kvm_enabled() && kvmclock_enabled) {
112 if (ram_size >= 0xe0000000 ) {
113 above_4g_mem_size = ram_size - 0xe0000000;
114 below_4g_mem_size = 0xe0000000;
116 above_4g_mem_size = 0;
117 below_4g_mem_size = ram_size;
121 pci_memory = g_new(MemoryRegion, 1);
122 memory_region_init(pci_memory, NULL, "pci", INT64_MAX);
123 rom_memory = pci_memory;
126 rom_memory = system_memory;
129 guest_info = pc_guest_info_init(below_4g_mem_size, above_4g_mem_size);
130 guest_info->has_pci_info = has_pci_info;
132 /* Set PCI window size the way seabios has always done it. */
133 /* Power of 2 so bios can cover it with a single MTRR */
134 if (ram_size <= 0x80000000)
135 guest_info->pci_info.w32.begin = 0x80000000;
136 else if (ram_size <= 0xc0000000)
137 guest_info->pci_info.w32.begin = 0xc0000000;
139 guest_info->pci_info.w32.begin = 0xe0000000;
141 /* allocate ram and load rom/bios */
142 if (!xen_enabled()) {
143 fw_cfg = pc_memory_init(system_memory,
144 kernel_filename, kernel_cmdline, initrd_filename,
145 below_4g_mem_size, above_4g_mem_size,
146 rom_memory, &ram_memory, guest_info);
149 gsi_state = g_malloc0(sizeof(*gsi_state));
150 if (kvm_irqchip_in_kernel()) {
151 kvm_pc_setup_irq_routing(pci_enabled);
152 gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
155 gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
159 pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
160 system_memory, system_io, ram_size,
162 0x100000000ULL - below_4g_mem_size,
163 0x100000000ULL + above_4g_mem_size,
166 : ((uint64_t)1 << 62)),
167 pci_memory, ram_memory);
171 isa_bus = isa_bus_new(NULL, system_io);
174 isa_bus_irqs(isa_bus, gsi);
176 if (kvm_irqchip_in_kernel()) {
177 i8259 = kvm_i8259_init(isa_bus);
178 } else if (xen_enabled()) {
179 i8259 = xen_interrupt_controller_init();
181 cpu_irq = pc_allocate_cpu_irq();
182 i8259 = i8259_init(isa_bus, cpu_irq[0]);
185 for (i = 0; i < ISA_NUM_IRQS; i++) {
186 gsi_state->i8259_irq[i] = i8259[i];
189 ioapic_init_gsi(gsi_state, "i440fx");
191 qdev_init_nofail(icc_bridge);
193 pc_register_ferr_irq(gsi[13]);
195 pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
197 /* init basic PC hardware */
198 pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled());
200 pc_nic_init(isa_bus, pci_bus);
202 ide_drive_get(hd, MAX_IDE_BUS);
206 dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
208 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
210 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
211 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
213 for(i = 0; i < MAX_IDE_BUS; i++) {
215 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
217 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
218 idebus[i] = qdev_get_child_bus(DEVICE(dev), "ide.0");
222 pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
223 floppy, idebus[0], idebus[1], rtc_state);
225 if (pci_enabled && usb_enabled(false)) {
226 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
229 if (pci_enabled && acpi_enabled) {
232 smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt,
233 x86_env_get_cpu(first_cpu), 1);
234 /* TODO: Populate SPD eeprom data. */
235 smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
237 kvm_enabled(), fw_cfg);
238 smbus_eeprom_init(smbus, 8, NULL, 0);
242 pc_pci_device_init(pci_bus);
246 pvpanic_init(isa_bus);
250 static void pc_init_pci(QEMUMachineInitArgs *args)
252 ram_addr_t ram_size = args->ram_size;
253 const char *cpu_model = args->cpu_model;
254 const char *kernel_filename = args->kernel_filename;
255 const char *kernel_cmdline = args->kernel_cmdline;
256 const char *initrd_filename = args->initrd_filename;
257 const char *boot_device = args->boot_device;
258 pc_init1(get_system_memory(),
260 ram_size, boot_device,
261 kernel_filename, kernel_cmdline,
262 initrd_filename, cpu_model, 1, 1);
265 static void pc_init_pci_1_5(QEMUMachineInitArgs *args)
267 has_pci_info = false;
271 static void pc_init_pci_1_4(QEMUMachineInitArgs *args)
274 x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
275 pc_init_pci_1_5(args);
278 static void pc_init_pci_1_3(QEMUMachineInitArgs *args)
280 enable_compat_apic_id_mode();
281 pc_init_pci_1_4(args);
284 /* PC machine init function for pc-1.1 to pc-1.2 */
285 static void pc_init_pci_1_2(QEMUMachineInitArgs *args)
287 disable_kvm_pv_eoi();
288 pc_init_pci_1_3(args);
291 /* PC machine init function for pc-0.14 to pc-1.0 */
292 static void pc_init_pci_1_0(QEMUMachineInitArgs *args)
294 pc_init_pci_1_2(args);
297 /* PC init function for pc-0.10 to pc-0.13, and reused by xenfv */
298 static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args)
300 ram_addr_t ram_size = args->ram_size;
301 const char *cpu_model = args->cpu_model;
302 const char *kernel_filename = args->kernel_filename;
303 const char *kernel_cmdline = args->kernel_cmdline;
304 const char *initrd_filename = args->initrd_filename;
305 const char *boot_device = args->boot_device;
307 has_pci_info = false;
308 disable_kvm_pv_eoi();
309 enable_compat_apic_id_mode();
310 pc_init1(get_system_memory(),
312 ram_size, boot_device,
313 kernel_filename, kernel_cmdline,
314 initrd_filename, cpu_model, 1, 0);
317 static void pc_init_isa(QEMUMachineInitArgs *args)
319 ram_addr_t ram_size = args->ram_size;
320 const char *cpu_model = args->cpu_model;
321 const char *kernel_filename = args->kernel_filename;
322 const char *kernel_cmdline = args->kernel_cmdline;
323 const char *initrd_filename = args->initrd_filename;
324 const char *boot_device = args->boot_device;
326 has_pci_info = false;
327 if (cpu_model == NULL)
329 disable_kvm_pv_eoi();
330 enable_compat_apic_id_mode();
331 pc_init1(get_system_memory(),
333 ram_size, boot_device,
334 kernel_filename, kernel_cmdline,
335 initrd_filename, cpu_model, 0, 1);
339 static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
345 bus = pci_find_primary_bus();
347 pci_create_simple(bus, -1, "xen-platform");
352 static QEMUMachine pc_i440fx_machine_v1_6 = {
353 .name = "pc-i440fx-1.6",
355 .desc = "Standard PC (i440FX + PIIX, 1996)",
357 .hot_add_cpu = pc_hot_add_cpu,
360 DEFAULT_MACHINE_OPTIONS,
363 static QEMUMachine pc_i440fx_machine_v1_5 = {
364 .name = "pc-i440fx-1.5",
365 .desc = "Standard PC (i440FX + PIIX, 1996)",
366 .init = pc_init_pci_1_5,
367 .hot_add_cpu = pc_hot_add_cpu,
369 .compat_props = (GlobalProperty[]) {
371 { /* end of list */ }
373 DEFAULT_MACHINE_OPTIONS,
376 static QEMUMachine pc_i440fx_machine_v1_4 = {
377 .name = "pc-i440fx-1.4",
378 .desc = "Standard PC (i440FX + PIIX, 1996)",
379 .init = pc_init_pci_1_4,
381 .compat_props = (GlobalProperty[]) {
383 { /* end of list */ }
385 DEFAULT_MACHINE_OPTIONS,
388 #define PC_COMPAT_1_3 \
391 .driver = "usb-tablet",\
392 .property = "usb_version",\
393 .value = stringify(1),\
395 .driver = "virtio-net-pci",\
396 .property = "ctrl_mac_addr",\
399 .driver = "virtio-net-pci", \
404 .property = "autonegotiation",\
408 static QEMUMachine pc_machine_v1_3 = {
410 .desc = "Standard PC",
411 .init = pc_init_pci_1_3,
413 .compat_props = (GlobalProperty[]) {
415 { /* end of list */ }
417 DEFAULT_MACHINE_OPTIONS,
420 #define PC_COMPAT_1_2 \
423 .driver = "nec-usb-xhci",\
427 .driver = "nec-usb-xhci",\
431 .driver = "ivshmem",\
432 .property = "use64",\
436 .property = "revision",\
437 .value = stringify(3),\
439 .driver = "qxl-vga",\
440 .property = "revision",\
441 .value = stringify(3),\
448 static QEMUMachine pc_machine_v1_2 = {
450 .desc = "Standard PC",
451 .init = pc_init_pci_1_2,
453 .compat_props = (GlobalProperty[]) {
455 { /* end of list */ }
457 DEFAULT_MACHINE_OPTIONS,
460 #define PC_COMPAT_1_1 \
463 .driver = "virtio-scsi-pci",\
464 .property = "hotplug",\
467 .driver = "virtio-scsi-pci",\
468 .property = "param_change",\
472 .property = "vgamem_mb",\
473 .value = stringify(8),\
475 .driver = "vmware-svga",\
476 .property = "vgamem_mb",\
477 .value = stringify(8),\
479 .driver = "qxl-vga",\
480 .property = "vgamem_mb",\
481 .value = stringify(8),\
484 .property = "vgamem_mb",\
485 .value = stringify(8),\
487 .driver = "virtio-blk-pci",\
488 .property = "config-wce",\
492 static QEMUMachine pc_machine_v1_1 = {
494 .desc = "Standard PC",
495 .init = pc_init_pci_1_2,
497 .compat_props = (GlobalProperty[]) {
499 { /* end of list */ }
501 DEFAULT_MACHINE_OPTIONS,
504 #define PC_COMPAT_1_0 \
507 .driver = "pc-sysfw",\
508 .property = "rom_only",\
509 .value = stringify(1),\
511 .driver = TYPE_ISA_FDC,\
512 .property = "check_media_rate",\
515 .driver = "virtio-balloon-pci",\
516 .property = "class",\
517 .value = stringify(PCI_CLASS_MEMORY_RAM),\
520 .property = "vapic",\
523 .driver = TYPE_USB_DEVICE,\
524 .property = "full-path",\
528 static QEMUMachine pc_machine_v1_0 = {
530 .desc = "Standard PC",
531 .init = pc_init_pci_1_0,
533 .compat_props = (GlobalProperty[]) {
535 { /* end of list */ }
538 DEFAULT_MACHINE_OPTIONS,
541 #define PC_COMPAT_0_15 \
544 static QEMUMachine pc_machine_v0_15 = {
546 .desc = "Standard PC",
547 .init = pc_init_pci_1_0,
549 .compat_props = (GlobalProperty[]) {
551 { /* end of list */ }
553 .hw_version = "0.15",
554 DEFAULT_MACHINE_OPTIONS,
557 #define PC_COMPAT_0_14 \
560 .driver = "virtio-blk-pci",\
561 .property = "event_idx",\
564 .driver = "virtio-serial-pci",\
565 .property = "event_idx",\
568 .driver = "virtio-net-pci",\
569 .property = "event_idx",\
572 .driver = "virtio-balloon-pci",\
573 .property = "event_idx",\
577 static QEMUMachine pc_machine_v0_14 = {
579 .desc = "Standard PC",
580 .init = pc_init_pci_1_0,
582 .compat_props = (GlobalProperty[]) {
586 .property = "revision",
587 .value = stringify(2),
590 .property = "revision",
591 .value = stringify(2),
593 { /* end of list */ }
595 .hw_version = "0.14",
596 DEFAULT_MACHINE_OPTIONS,
599 #define PC_COMPAT_0_13 \
602 .driver = TYPE_PCI_DEVICE,\
603 .property = "command_serr_enable",\
607 .property = "use_broken_id",\
608 .value = stringify(1),\
611 static QEMUMachine pc_machine_v0_13 = {
613 .desc = "Standard PC",
614 .init = pc_init_pci_no_kvmclock,
616 .compat_props = (GlobalProperty[]) {
619 .driver = "virtio-9p-pci",
620 .property = "vectors",
621 .value = stringify(0),
624 .property = "rombar",
625 .value = stringify(0),
627 .driver = "vmware-svga",
628 .property = "rombar",
629 .value = stringify(0),
631 { /* end of list */ }
633 .hw_version = "0.13",
634 DEFAULT_MACHINE_OPTIONS,
637 #define PC_COMPAT_0_12 \
640 .driver = "virtio-serial-pci",\
641 .property = "max_ports",\
642 .value = stringify(1),\
644 .driver = "virtio-serial-pci",\
645 .property = "vectors",\
646 .value = stringify(0),\
648 .driver = "usb-mouse",\
649 .property = "serial",\
652 .driver = "usb-tablet",\
653 .property = "serial",\
656 .driver = "usb-kbd",\
657 .property = "serial",\
661 static QEMUMachine pc_machine_v0_12 = {
663 .desc = "Standard PC",
664 .init = pc_init_pci_no_kvmclock,
666 .compat_props = (GlobalProperty[]) {
670 .property = "rombar",
671 .value = stringify(0),
673 .driver = "vmware-svga",
674 .property = "rombar",
675 .value = stringify(0),
677 { /* end of list */ }
679 .hw_version = "0.12",
680 DEFAULT_MACHINE_OPTIONS,
683 #define PC_COMPAT_0_11 \
686 .driver = "virtio-blk-pci",\
687 .property = "vectors",\
688 .value = stringify(0),\
690 .driver = TYPE_PCI_DEVICE,\
691 .property = "rombar",\
692 .value = stringify(0),\
695 static QEMUMachine pc_machine_v0_11 = {
697 .desc = "Standard PC, qemu 0.11",
698 .init = pc_init_pci_no_kvmclock,
700 .compat_props = (GlobalProperty[]) {
703 .driver = "ide-drive",
707 .driver = "scsi-disk",
711 { /* end of list */ }
713 .hw_version = "0.11",
714 DEFAULT_MACHINE_OPTIONS,
717 static QEMUMachine pc_machine_v0_10 = {
719 .desc = "Standard PC, qemu 0.10",
720 .init = pc_init_pci_no_kvmclock,
722 .compat_props = (GlobalProperty[]) {
725 .driver = "virtio-blk-pci",
727 .value = stringify(PCI_CLASS_STORAGE_OTHER),
729 .driver = "virtio-serial-pci",
731 .value = stringify(PCI_CLASS_DISPLAY_OTHER),
733 .driver = "virtio-net-pci",
734 .property = "vectors",
735 .value = stringify(0),
737 .driver = "ide-drive",
741 .driver = "scsi-disk",
745 { /* end of list */ }
747 .hw_version = "0.10",
748 DEFAULT_MACHINE_OPTIONS,
751 static QEMUMachine isapc_machine = {
753 .desc = "ISA-only PC",
756 .compat_props = (GlobalProperty[]) {
758 .driver = "pc-sysfw",
759 .property = "rom_only",
760 .value = stringify(1),
763 .driver = "pc-sysfw",
764 .property = "isapc_ram_fw",
765 .value = stringify(1),
767 { /* end of list */ }
769 DEFAULT_MACHINE_OPTIONS,
773 static QEMUMachine xenfv_machine = {
775 .desc = "Xen Fully-virtualized PC",
776 .init = pc_xen_hvm_init,
777 .max_cpus = HVM_MAX_VCPUS,
778 .default_machine_opts = "accel=xen",
779 DEFAULT_MACHINE_OPTIONS,
783 static void pc_machine_init(void)
785 qemu_register_machine(&pc_i440fx_machine_v1_6);
786 qemu_register_machine(&pc_i440fx_machine_v1_5);
787 qemu_register_machine(&pc_i440fx_machine_v1_4);
788 qemu_register_machine(&pc_machine_v1_3);
789 qemu_register_machine(&pc_machine_v1_2);
790 qemu_register_machine(&pc_machine_v1_1);
791 qemu_register_machine(&pc_machine_v1_0);
792 qemu_register_machine(&pc_machine_v0_15);
793 qemu_register_machine(&pc_machine_v0_14);
794 qemu_register_machine(&pc_machine_v0_13);
795 qemu_register_machine(&pc_machine_v0_12);
796 qemu_register_machine(&pc_machine_v0_11);
797 qemu_register_machine(&pc_machine_v0_10);
798 qemu_register_machine(&isapc_machine);
800 qemu_register_machine(&xenfv_machine);
804 machine_init(pc_machine_init);