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
31 #include "pci/pci_ids.h"
36 #include "sysemu/kvm.h"
37 #include "kvm/clock.h"
38 #include "sysemu/sysemu.h"
40 #include "sysemu/arch_init.h"
41 #include "sysemu/blockdev.h"
44 #include "exec/memory.h"
45 #include "exec/address-spaces.h"
48 # include <xen/hvm/hvm_info_table.h>
53 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
54 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
55 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
57 /* PC hardware initialisation */
58 static void pc_init1(MemoryRegion *system_memory,
59 MemoryRegion *system_io,
61 const char *boot_device,
62 const char *kernel_filename,
63 const char *kernel_cmdline,
64 const char *initrd_filename,
65 const char *cpu_model,
70 ram_addr_t below_4g_mem_size, above_4g_mem_size;
73 PCII440FXState *i440fx_state;
80 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
81 BusState *idebus[MAX_IDE_BUS];
84 MemoryRegion *ram_memory;
85 MemoryRegion *pci_memory;
86 MemoryRegion *rom_memory;
89 pc_cpus_init(cpu_model);
90 pc_acpi_init("acpi-dsdt.aml");
92 if (kvmclock_enabled) {
96 if (ram_size >= 0xe0000000 ) {
97 above_4g_mem_size = ram_size - 0xe0000000;
98 below_4g_mem_size = 0xe0000000;
100 above_4g_mem_size = 0;
101 below_4g_mem_size = ram_size;
105 pci_memory = g_new(MemoryRegion, 1);
106 memory_region_init(pci_memory, "pci", INT64_MAX);
107 rom_memory = pci_memory;
110 rom_memory = system_memory;
113 /* allocate ram and load rom/bios */
114 if (!xen_enabled()) {
115 fw_cfg = pc_memory_init(system_memory,
116 kernel_filename, kernel_cmdline, initrd_filename,
117 below_4g_mem_size, above_4g_mem_size,
118 rom_memory, &ram_memory);
121 gsi_state = g_malloc0(sizeof(*gsi_state));
122 if (kvm_irqchip_in_kernel()) {
123 kvm_pc_setup_irq_routing(pci_enabled);
124 gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
127 gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
131 pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
132 system_memory, system_io, ram_size,
134 0x100000000ULL - below_4g_mem_size,
135 0x100000000ULL + above_4g_mem_size,
138 : ((uint64_t)1 << 62)),
139 pci_memory, ram_memory);
143 isa_bus = isa_bus_new(NULL, system_io);
146 isa_bus_irqs(isa_bus, gsi);
148 if (kvm_irqchip_in_kernel()) {
149 i8259 = kvm_i8259_init(isa_bus);
150 } else if (xen_enabled()) {
151 i8259 = xen_interrupt_controller_init();
153 cpu_irq = pc_allocate_cpu_irq();
154 i8259 = i8259_init(isa_bus, cpu_irq[0]);
157 for (i = 0; i < ISA_NUM_IRQS; i++) {
158 gsi_state->i8259_irq[i] = i8259[i];
161 ioapic_init_gsi(gsi_state, "i440fx");
164 pc_register_ferr_irq(gsi[13]);
166 pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
168 pci_create_simple(pci_bus, -1, "xen-platform");
171 /* init basic PC hardware */
172 pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled());
174 pc_nic_init(isa_bus, pci_bus);
176 ide_drive_get(hd, MAX_IDE_BUS);
180 dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
182 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
184 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
185 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
187 for(i = 0; i < MAX_IDE_BUS; i++) {
189 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
191 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
192 idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
196 audio_init(isa_bus, pci_enabled ? pci_bus : NULL);
198 pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
199 floppy, idebus[0], idebus[1], rtc_state);
201 if (pci_enabled && usb_enabled(false)) {
202 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
205 if (pci_enabled && acpi_enabled) {
208 smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
209 /* TODO: Populate SPD eeprom data. */
210 smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
212 kvm_enabled(), fw_cfg);
213 smbus_eeprom_init(smbus, 8, NULL, 0);
217 pc_pci_device_init(pci_bus);
221 static void pc_init_pci(QEMUMachineInitArgs *args)
223 ram_addr_t ram_size = args->ram_size;
224 const char *cpu_model = args->cpu_model;
225 const char *kernel_filename = args->kernel_filename;
226 const char *kernel_cmdline = args->kernel_cmdline;
227 const char *initrd_filename = args->initrd_filename;
228 const char *boot_device = args->boot_device;
229 pc_init1(get_system_memory(),
231 ram_size, boot_device,
232 kernel_filename, kernel_cmdline,
233 initrd_filename, cpu_model, 1, 1);
236 static void pc_init_pci_1_3(QEMUMachineInitArgs *args)
242 static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args)
244 ram_addr_t ram_size = args->ram_size;
245 const char *cpu_model = args->cpu_model;
246 const char *kernel_filename = args->kernel_filename;
247 const char *kernel_cmdline = args->kernel_cmdline;
248 const char *initrd_filename = args->initrd_filename;
249 const char *boot_device = args->boot_device;
250 pc_init1(get_system_memory(),
252 ram_size, boot_device,
253 kernel_filename, kernel_cmdline,
254 initrd_filename, cpu_model, 1, 0);
257 static void pc_init_isa(QEMUMachineInitArgs *args)
259 ram_addr_t ram_size = args->ram_size;
260 const char *cpu_model = args->cpu_model;
261 const char *kernel_filename = args->kernel_filename;
262 const char *kernel_cmdline = args->kernel_cmdline;
263 const char *initrd_filename = args->initrd_filename;
264 const char *boot_device = args->boot_device;
265 if (cpu_model == NULL)
267 pc_init1(get_system_memory(),
269 ram_size, boot_device,
270 kernel_filename, kernel_cmdline,
271 initrd_filename, cpu_model, 0, 1);
275 static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
277 if (xen_hvm_init() != 0) {
278 hw_error("xen hardware virtual machine initialisation failed");
280 pc_init_pci_no_kvmclock(args);
285 static QEMUMachine pc_i440fx_machine_v1_4 = {
286 .name = "pc-i440fx-1.4",
288 .desc = "Standard PC (i440FX + PIIX, 1996)",
289 .init = pc_init_pci_1_3,
292 DEFAULT_MACHINE_OPTIONS,
295 #define PC_COMPAT_1_3 \
297 .driver = "usb-tablet",\
298 .property = "usb_version",\
299 .value = stringify(1),\
302 static QEMUMachine pc_machine_v1_3 = {
304 .desc = "Standard PC",
305 .init = pc_init_pci_1_3,
307 .compat_props = (GlobalProperty[]) {
309 { /* end of list */ }
311 DEFAULT_MACHINE_OPTIONS,
314 #define PC_COMPAT_1_2 \
317 .driver = "nec-usb-xhci",\
321 .driver = "nec-usb-xhci",\
325 .driver = "ivshmem",\
326 .property = "use64",\
330 .property = "revision",\
331 .value = stringify(3),\
333 .driver = "qxl-vga",\
334 .property = "revision",\
335 .value = stringify(3),\
342 static QEMUMachine pc_machine_v1_2 = {
344 .desc = "Standard PC",
347 .compat_props = (GlobalProperty[]) {
349 { /* end of list */ }
351 DEFAULT_MACHINE_OPTIONS,
354 #define PC_COMPAT_1_1 \
357 .driver = "virtio-scsi-pci",\
358 .property = "hotplug",\
361 .driver = "virtio-scsi-pci",\
362 .property = "param_change",\
366 .property = "vgamem_mb",\
367 .value = stringify(8),\
369 .driver = "vmware-svga",\
370 .property = "vgamem_mb",\
371 .value = stringify(8),\
373 .driver = "qxl-vga",\
374 .property = "vgamem_mb",\
375 .value = stringify(8),\
378 .property = "vgamem_mb",\
379 .value = stringify(8),\
381 .driver = "virtio-blk-pci",\
382 .property = "config-wce",\
386 static QEMUMachine pc_machine_v1_1 = {
388 .desc = "Standard PC",
391 .compat_props = (GlobalProperty[]) {
393 { /* end of list */ }
395 DEFAULT_MACHINE_OPTIONS,
398 #define PC_COMPAT_1_0 \
401 .driver = "pc-sysfw",\
402 .property = "rom_only",\
403 .value = stringify(1),\
405 .driver = "isa-fdc",\
406 .property = "check_media_rate",\
409 .driver = "virtio-balloon-pci",\
410 .property = "class",\
411 .value = stringify(PCI_CLASS_MEMORY_RAM),\
414 .property = "vapic",\
417 .driver = TYPE_USB_DEVICE,\
418 .property = "full-path",\
422 static QEMUMachine pc_machine_v1_0 = {
424 .desc = "Standard PC",
427 .compat_props = (GlobalProperty[]) {
429 { /* end of list */ }
432 DEFAULT_MACHINE_OPTIONS,
435 #define PC_COMPAT_0_15 \
438 static QEMUMachine pc_machine_v0_15 = {
440 .desc = "Standard PC",
443 .compat_props = (GlobalProperty[]) {
445 { /* end of list */ }
447 .hw_version = "0.15",
448 DEFAULT_MACHINE_OPTIONS,
451 #define PC_COMPAT_0_14 \
454 .driver = "virtio-blk-pci",\
455 .property = "event_idx",\
458 .driver = "virtio-serial-pci",\
459 .property = "event_idx",\
462 .driver = "virtio-net-pci",\
463 .property = "event_idx",\
466 .driver = "virtio-balloon-pci",\
467 .property = "event_idx",\
471 static QEMUMachine pc_machine_v0_14 = {
473 .desc = "Standard PC",
476 .compat_props = (GlobalProperty[]) {
480 .property = "revision",
481 .value = stringify(2),
484 .property = "revision",
485 .value = stringify(2),
487 { /* end of list */ }
489 .hw_version = "0.14",
490 DEFAULT_MACHINE_OPTIONS,
493 #define PC_COMPAT_0_13 \
496 .driver = TYPE_PCI_DEVICE,\
497 .property = "command_serr_enable",\
501 .property = "use_broken_id",\
502 .value = stringify(1),\
505 static QEMUMachine pc_machine_v0_13 = {
507 .desc = "Standard PC",
508 .init = pc_init_pci_no_kvmclock,
510 .compat_props = (GlobalProperty[]) {
513 .driver = "virtio-9p-pci",
514 .property = "vectors",
515 .value = stringify(0),
518 .property = "rombar",
519 .value = stringify(0),
521 .driver = "vmware-svga",
522 .property = "rombar",
523 .value = stringify(0),
525 { /* end of list */ }
527 .hw_version = "0.13",
528 DEFAULT_MACHINE_OPTIONS,
531 #define PC_COMPAT_0_12 \
534 .driver = "virtio-serial-pci",\
535 .property = "max_ports",\
536 .value = stringify(1),\
538 .driver = "virtio-serial-pci",\
539 .property = "vectors",\
540 .value = stringify(0),\
543 static QEMUMachine pc_machine_v0_12 = {
545 .desc = "Standard PC",
546 .init = pc_init_pci_no_kvmclock,
548 .compat_props = (GlobalProperty[]) {
552 .property = "rombar",
553 .value = stringify(0),
555 .driver = "vmware-svga",
556 .property = "rombar",
557 .value = stringify(0),
559 { /* end of list */ }
561 .hw_version = "0.12",
562 DEFAULT_MACHINE_OPTIONS,
565 #define PC_COMPAT_0_11 \
568 .driver = "virtio-blk-pci",\
569 .property = "vectors",\
570 .value = stringify(0),\
572 .driver = TYPE_PCI_DEVICE,\
573 .property = "rombar",\
574 .value = stringify(0),\
577 static QEMUMachine pc_machine_v0_11 = {
579 .desc = "Standard PC, qemu 0.11",
580 .init = pc_init_pci_no_kvmclock,
582 .compat_props = (GlobalProperty[]) {
585 .driver = "ide-drive",
589 .driver = "scsi-disk",
593 { /* end of list */ }
595 .hw_version = "0.11",
596 DEFAULT_MACHINE_OPTIONS,
599 static QEMUMachine pc_machine_v0_10 = {
601 .desc = "Standard PC, qemu 0.10",
602 .init = pc_init_pci_no_kvmclock,
604 .compat_props = (GlobalProperty[]) {
607 .driver = "virtio-blk-pci",
609 .value = stringify(PCI_CLASS_STORAGE_OTHER),
611 .driver = "virtio-serial-pci",
613 .value = stringify(PCI_CLASS_DISPLAY_OTHER),
615 .driver = "virtio-net-pci",
616 .property = "vectors",
617 .value = stringify(0),
619 .driver = "ide-drive",
623 .driver = "scsi-disk",
627 { /* end of list */ }
629 .hw_version = "0.10",
630 DEFAULT_MACHINE_OPTIONS,
633 static QEMUMachine isapc_machine = {
635 .desc = "ISA-only PC",
638 .compat_props = (GlobalProperty[]) {
640 .driver = "pc-sysfw",
641 .property = "rom_only",
642 .value = stringify(1),
644 { /* end of list */ }
646 DEFAULT_MACHINE_OPTIONS,
650 static QEMUMachine xenfv_machine = {
652 .desc = "Xen Fully-virtualized PC",
653 .init = pc_xen_hvm_init,
654 .max_cpus = HVM_MAX_VCPUS,
655 .default_machine_opts = "accel=xen",
656 DEFAULT_MACHINE_OPTIONS,
660 static void pc_machine_init(void)
662 qemu_register_machine(&pc_i440fx_machine_v1_4);
663 qemu_register_machine(&pc_machine_v1_3);
664 qemu_register_machine(&pc_machine_v1_2);
665 qemu_register_machine(&pc_machine_v1_1);
666 qemu_register_machine(&pc_machine_v1_0);
667 qemu_register_machine(&pc_machine_v0_15);
668 qemu_register_machine(&pc_machine_v0_14);
669 qemu_register_machine(&pc_machine_v0_13);
670 qemu_register_machine(&pc_machine_v0_12);
671 qemu_register_machine(&pc_machine_v0_11);
672 qemu_register_machine(&pc_machine_v0_10);
673 qemu_register_machine(&isapc_machine);
675 qemu_register_machine(&xenfv_machine);
679 machine_init(pc_machine_init);