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
37 #include "kvm/clock.h"
40 #include "arch_init.h"
45 #include "exec-memory.h"
47 # include <xen/hvm/hvm_info_table.h>
52 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
53 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
54 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
56 static void kvm_piix3_setup_irq_routing(bool pci_enabled)
59 KVMState *s = kvm_state;
62 if (kvm_check_extension(s, KVM_CAP_IRQ_ROUTING)) {
63 for (i = 0; i < 8; ++i) {
67 kvm_irqchip_add_irq_route(s, i, KVM_IRQCHIP_PIC_MASTER, i);
69 for (i = 8; i < 16; ++i) {
70 kvm_irqchip_add_irq_route(s, i, KVM_IRQCHIP_PIC_SLAVE, i - 8);
73 for (i = 0; i < 24; ++i) {
75 kvm_irqchip_add_irq_route(s, i, KVM_IRQCHIP_IOAPIC, 2);
77 kvm_irqchip_add_irq_route(s, i, KVM_IRQCHIP_IOAPIC, i);
82 #endif /* CONFIG_KVM */
85 static void kvm_piix3_gsi_handler(void *opaque, int n, int level)
89 if (n < ISA_NUM_IRQS) {
90 /* Kernel will forward to both PIC and IOAPIC */
91 qemu_set_irq(s->i8259_irq[n], level);
93 qemu_set_irq(s->ioapic_irq[n], level);
97 static void ioapic_init(GSIState *gsi_state)
103 if (kvm_irqchip_in_kernel()) {
104 dev = qdev_create(NULL, "kvm-ioapic");
106 dev = qdev_create(NULL, "ioapic");
108 /* FIXME: this should be under the piix3. */
109 object_property_add_child(object_resolve_path("i440fx", NULL),
110 "ioapic", OBJECT(dev), NULL);
111 qdev_init_nofail(dev);
112 d = sysbus_from_qdev(dev);
113 sysbus_mmio_map(d, 0, 0xfec00000);
115 for (i = 0; i < IOAPIC_NUM_PINS; i++) {
116 gsi_state->ioapic_irq[i] = qdev_get_gpio_in(dev, i);
120 /* PC hardware initialisation */
121 static void pc_init1(MemoryRegion *system_memory,
122 MemoryRegion *system_io,
124 const char *boot_device,
125 const char *kernel_filename,
126 const char *kernel_cmdline,
127 const char *initrd_filename,
128 const char *cpu_model,
130 int kvmclock_enabled)
133 ram_addr_t below_4g_mem_size, above_4g_mem_size;
136 PCII440FXState *i440fx_state;
137 int piix3_devfn = -1;
143 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
144 BusState *idebus[MAX_IDE_BUS];
145 ISADevice *rtc_state;
147 MemoryRegion *ram_memory;
148 MemoryRegion *pci_memory;
149 MemoryRegion *rom_memory;
152 pc_cpus_init(cpu_model);
154 if (kvmclock_enabled) {
158 if (ram_size >= 0xe0000000 ) {
159 above_4g_mem_size = ram_size - 0xe0000000;
160 below_4g_mem_size = 0xe0000000;
162 above_4g_mem_size = 0;
163 below_4g_mem_size = ram_size;
167 pci_memory = g_new(MemoryRegion, 1);
168 memory_region_init(pci_memory, "pci", INT64_MAX);
169 rom_memory = pci_memory;
172 rom_memory = system_memory;
175 /* allocate ram and load rom/bios */
176 if (!xen_enabled()) {
177 fw_cfg = pc_memory_init(system_memory,
178 kernel_filename, kernel_cmdline, initrd_filename,
179 below_4g_mem_size, above_4g_mem_size,
180 pci_enabled ? rom_memory : system_memory, &ram_memory);
183 gsi_state = g_malloc0(sizeof(*gsi_state));
184 if (kvm_irqchip_in_kernel()) {
185 kvm_piix3_setup_irq_routing(pci_enabled);
186 gsi = qemu_allocate_irqs(kvm_piix3_gsi_handler, gsi_state,
189 gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
193 pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
194 system_memory, system_io, ram_size,
196 0x100000000ULL - below_4g_mem_size,
197 0x100000000ULL + above_4g_mem_size,
200 : ((uint64_t)1 << 62)),
201 pci_memory, ram_memory);
205 isa_bus = isa_bus_new(NULL, system_io);
208 isa_bus_irqs(isa_bus, gsi);
210 if (kvm_irqchip_in_kernel()) {
211 i8259 = kvm_i8259_init(isa_bus);
212 } else if (xen_enabled()) {
213 i8259 = xen_interrupt_controller_init();
215 cpu_irq = pc_allocate_cpu_irq();
216 i8259 = i8259_init(isa_bus, cpu_irq[0]);
219 for (i = 0; i < ISA_NUM_IRQS; i++) {
220 gsi_state->i8259_irq[i] = i8259[i];
223 ioapic_init(gsi_state);
226 pc_register_ferr_irq(gsi[13]);
228 pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
230 pci_create_simple(pci_bus, -1, "xen-platform");
233 /* init basic PC hardware */
234 pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled());
236 for(i = 0; i < nb_nics; i++) {
237 NICInfo *nd = &nd_table[i];
239 if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
240 pc_init_ne2k_isa(isa_bus, nd);
242 pci_nic_init_nofail(nd, "e1000", NULL);
245 ide_drive_get(hd, MAX_IDE_BUS);
249 dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
251 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
253 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
254 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
256 for(i = 0; i < MAX_IDE_BUS; i++) {
258 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
260 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
261 idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
265 audio_init(isa_bus, pci_enabled ? pci_bus : NULL);
267 pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
268 floppy, idebus[0], idebus[1], rtc_state);
270 if (pci_enabled && usb_enabled(false)) {
271 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
274 if (pci_enabled && acpi_enabled) {
277 smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
278 /* TODO: Populate SPD eeprom data. */
279 smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
281 kvm_enabled(), fw_cfg);
282 smbus_eeprom_init(smbus, 8, NULL, 0);
286 pc_pci_device_init(pci_bus);
290 static void pc_init_pci(QEMUMachineInitArgs *args)
292 ram_addr_t ram_size = args->ram_size;
293 const char *cpu_model = args->cpu_model;
294 const char *kernel_filename = args->kernel_filename;
295 const char *kernel_cmdline = args->kernel_cmdline;
296 const char *initrd_filename = args->initrd_filename;
297 const char *boot_device = args->boot_device;
298 pc_init1(get_system_memory(),
300 ram_size, boot_device,
301 kernel_filename, kernel_cmdline,
302 initrd_filename, cpu_model, 1, 1);
305 static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args)
307 ram_addr_t ram_size = args->ram_size;
308 const char *cpu_model = args->cpu_model;
309 const char *kernel_filename = args->kernel_filename;
310 const char *kernel_cmdline = args->kernel_cmdline;
311 const char *initrd_filename = args->initrd_filename;
312 const char *boot_device = args->boot_device;
313 pc_init1(get_system_memory(),
315 ram_size, boot_device,
316 kernel_filename, kernel_cmdline,
317 initrd_filename, cpu_model, 1, 0);
320 static void pc_init_isa(QEMUMachineInitArgs *args)
322 ram_addr_t ram_size = args->ram_size;
323 const char *cpu_model = args->cpu_model;
324 const char *kernel_filename = args->kernel_filename;
325 const char *kernel_cmdline = args->kernel_cmdline;
326 const char *initrd_filename = args->initrd_filename;
327 const char *boot_device = args->boot_device;
328 if (cpu_model == NULL)
330 pc_init1(get_system_memory(),
332 ram_size, boot_device,
333 kernel_filename, kernel_cmdline,
334 initrd_filename, cpu_model, 0, 1);
338 static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
340 if (xen_hvm_init() != 0) {
341 hw_error("xen hardware virtual machine initialisation failed");
343 pc_init_pci_no_kvmclock(args);
348 static QEMUMachine pc_machine_v1_3 = {
351 .desc = "Standard PC",
357 #define PC_COMPAT_1_2 \
359 .driver = "nec-usb-xhci",\
363 .driver = "nec-usb-xhci",\
367 .driver = "ivshmem",\
368 .property = "use64",\
372 .property = "revision",\
373 .value = stringify(3),\
375 .driver = "qxl-vga",\
376 .property = "revision",\
377 .value = stringify(3),\
384 static QEMUMachine pc_machine_v1_2 = {
386 .desc = "Standard PC",
389 .compat_props = (GlobalProperty[]) {
391 { /* end of list */ }
395 #define PC_COMPAT_1_1 \
398 .driver = "virtio-scsi-pci",\
399 .property = "hotplug",\
402 .driver = "virtio-scsi-pci",\
403 .property = "param_change",\
407 .property = "vgamem_mb",\
408 .value = stringify(8),\
410 .driver = "vmware-svga",\
411 .property = "vgamem_mb",\
412 .value = stringify(8),\
414 .driver = "qxl-vga",\
415 .property = "vgamem_mb",\
416 .value = stringify(8),\
419 .property = "vgamem_mb",\
420 .value = stringify(8),\
422 .driver = "virtio-blk-pci",\
423 .property = "config-wce",\
427 static QEMUMachine pc_machine_v1_1 = {
429 .desc = "Standard PC",
432 .compat_props = (GlobalProperty[]) {
434 { /* end of list */ }
438 #define PC_COMPAT_1_0 \
441 .driver = "pc-sysfw",\
442 .property = "rom_only",\
443 .value = stringify(1),\
445 .driver = "isa-fdc",\
446 .property = "check_media_rate",\
449 .driver = "virtio-balloon-pci",\
450 .property = "class",\
451 .value = stringify(PCI_CLASS_MEMORY_RAM),\
454 .property = "vapic",\
457 .driver = TYPE_USB_DEVICE,\
458 .property = "full-path",\
462 static QEMUMachine pc_machine_v1_0 = {
464 .desc = "Standard PC",
467 .compat_props = (GlobalProperty[]) {
469 { /* end of list */ }
474 #define PC_COMPAT_0_15 \
477 static QEMUMachine pc_machine_v0_15 = {
479 .desc = "Standard PC",
482 .compat_props = (GlobalProperty[]) {
484 { /* end of list */ }
486 .hw_version = "0.15",
489 #define PC_COMPAT_0_14 \
492 .driver = "virtio-blk-pci",\
493 .property = "event_idx",\
496 .driver = "virtio-serial-pci",\
497 .property = "event_idx",\
500 .driver = "virtio-net-pci",\
501 .property = "event_idx",\
504 .driver = "virtio-balloon-pci",\
505 .property = "event_idx",\
509 static QEMUMachine pc_machine_v0_14 = {
511 .desc = "Standard PC",
514 .compat_props = (GlobalProperty[]) {
518 .property = "revision",
519 .value = stringify(2),
522 .property = "revision",
523 .value = stringify(2),
525 { /* end of list */ }
527 .hw_version = "0.14",
530 #define PC_COMPAT_0_13 \
533 .driver = TYPE_PCI_DEVICE,\
534 .property = "command_serr_enable",\
538 .property = "use_broken_id",\
539 .value = stringify(1),\
542 static QEMUMachine pc_machine_v0_13 = {
544 .desc = "Standard PC",
545 .init = pc_init_pci_no_kvmclock,
547 .compat_props = (GlobalProperty[]) {
550 .driver = "virtio-9p-pci",
551 .property = "vectors",
552 .value = stringify(0),
555 .property = "rombar",
556 .value = stringify(0),
558 .driver = "vmware-svga",
559 .property = "rombar",
560 .value = stringify(0),
562 { /* end of list */ }
564 .hw_version = "0.13",
567 #define PC_COMPAT_0_12 \
570 .driver = "virtio-serial-pci",\
571 .property = "max_ports",\
572 .value = stringify(1),\
574 .driver = "virtio-serial-pci",\
575 .property = "vectors",\
576 .value = stringify(0),\
579 static QEMUMachine pc_machine_v0_12 = {
581 .desc = "Standard PC",
582 .init = pc_init_pci_no_kvmclock,
584 .compat_props = (GlobalProperty[]) {
588 .property = "rombar",
589 .value = stringify(0),
591 .driver = "vmware-svga",
592 .property = "rombar",
593 .value = stringify(0),
595 { /* end of list */ }
597 .hw_version = "0.12",
600 #define PC_COMPAT_0_11 \
603 .driver = "virtio-blk-pci",\
604 .property = "vectors",\
605 .value = stringify(0),\
607 .driver = TYPE_PCI_DEVICE,\
608 .property = "rombar",\
609 .value = stringify(0),\
612 static QEMUMachine pc_machine_v0_11 = {
614 .desc = "Standard PC, qemu 0.11",
615 .init = pc_init_pci_no_kvmclock,
617 .compat_props = (GlobalProperty[]) {
620 .driver = "ide-drive",
624 .driver = "scsi-disk",
628 { /* end of list */ }
630 .hw_version = "0.11",
633 static QEMUMachine pc_machine_v0_10 = {
635 .desc = "Standard PC, qemu 0.10",
636 .init = pc_init_pci_no_kvmclock,
638 .compat_props = (GlobalProperty[]) {
641 .driver = "virtio-blk-pci",
643 .value = stringify(PCI_CLASS_STORAGE_OTHER),
645 .driver = "virtio-serial-pci",
647 .value = stringify(PCI_CLASS_DISPLAY_OTHER),
649 .driver = "virtio-net-pci",
650 .property = "vectors",
651 .value = stringify(0),
653 .driver = "ide-drive",
657 .driver = "scsi-disk",
661 { /* end of list */ }
663 .hw_version = "0.10",
666 static QEMUMachine isapc_machine = {
668 .desc = "ISA-only PC",
671 .compat_props = (GlobalProperty[]) {
673 .driver = "pc-sysfw",
674 .property = "rom_only",
675 .value = stringify(1),
677 { /* end of list */ }
682 static QEMUMachine xenfv_machine = {
684 .desc = "Xen Fully-virtualized PC",
685 .init = pc_xen_hvm_init,
686 .max_cpus = HVM_MAX_VCPUS,
687 .default_machine_opts = "accel=xen",
691 static void pc_machine_init(void)
693 qemu_register_machine(&pc_machine_v1_3);
694 qemu_register_machine(&pc_machine_v1_2);
695 qemu_register_machine(&pc_machine_v1_1);
696 qemu_register_machine(&pc_machine_v1_0);
697 qemu_register_machine(&pc_machine_v0_15);
698 qemu_register_machine(&pc_machine_v0_14);
699 qemu_register_machine(&pc_machine_v0_13);
700 qemu_register_machine(&pc_machine_v0_12);
701 qemu_register_machine(&pc_machine_v0_11);
702 qemu_register_machine(&pc_machine_v0_10);
703 qemu_register_machine(&isapc_machine);
705 qemu_register_machine(&xenfv_machine);
709 machine_init(pc_machine_init);