xref: /openbmc/qemu/hw/i386/pc_piix.c (revision 01c22f2c)
1 /*
2  * QEMU PC System Emulator
3  *
4  * Copyright (c) 2003-2004 Fabrice Bellard
5  *
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:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
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
22  * THE SOFTWARE.
23  */
24 
25 #include <glib.h>
26 
27 #include "hw/hw.h"
28 #include "hw/loader.h"
29 #include "hw/i386/pc.h"
30 #include "hw/i386/apic.h"
31 #include "hw/i386/smbios.h"
32 #include "hw/pci/pci.h"
33 #include "hw/pci/pci_ids.h"
34 #include "hw/usb.h"
35 #include "net/net.h"
36 #include "hw/boards.h"
37 #include "hw/ide.h"
38 #include "sysemu/kvm.h"
39 #include "hw/kvm/clock.h"
40 #include "sysemu/sysemu.h"
41 #include "hw/sysbus.h"
42 #include "hw/cpu/icc_bus.h"
43 #include "sysemu/arch_init.h"
44 #include "sysemu/blockdev.h"
45 #include "hw/i2c/smbus.h"
46 #include "hw/xen/xen.h"
47 #include "exec/memory.h"
48 #include "exec/address-spaces.h"
49 #include "hw/acpi/acpi.h"
50 #include "cpu.h"
51 #ifdef CONFIG_XEN
52 #  include <xen/hvm/hvm_info_table.h>
53 #endif
54 
55 #define MAX_IDE_BUS 2
56 
57 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
58 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
59 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
60 
61 static bool has_pci_info;
62 static bool has_acpi_build = true;
63 static bool smbios_type1_defaults = true;
64 /* Make sure that guest addresses aligned at 1Gbyte boundaries get mapped to
65  * host addresses aligned at 1Gbyte boundaries.  This way we can use 1GByte
66  * pages in the host.
67  */
68 static bool gigabyte_align = true;
69 
70 /* PC hardware initialisation */
71 static void pc_init1(QEMUMachineInitArgs *args,
72                      int pci_enabled,
73                      int kvmclock_enabled)
74 {
75     MemoryRegion *system_memory = get_system_memory();
76     MemoryRegion *system_io = get_system_io();
77     int i;
78     ram_addr_t below_4g_mem_size, above_4g_mem_size;
79     PCIBus *pci_bus;
80     ISABus *isa_bus;
81     PCII440FXState *i440fx_state;
82     int piix3_devfn = -1;
83     qemu_irq *cpu_irq;
84     qemu_irq *gsi;
85     qemu_irq *i8259;
86     qemu_irq *smi_irq;
87     GSIState *gsi_state;
88     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
89     BusState *idebus[MAX_IDE_BUS];
90     ISADevice *rtc_state;
91     ISADevice *floppy;
92     MemoryRegion *ram_memory;
93     MemoryRegion *pci_memory;
94     MemoryRegion *rom_memory;
95     DeviceState *icc_bridge;
96     FWCfgState *fw_cfg = NULL;
97     PcGuestInfo *guest_info;
98 
99     if (xen_enabled() && xen_hvm_init(&ram_memory) != 0) {
100         fprintf(stderr, "xen hardware virtual machine initialisation failed\n");
101         exit(1);
102     }
103 
104     icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
105     object_property_add_child(qdev_get_machine(), "icc-bridge",
106                               OBJECT(icc_bridge), NULL);
107 
108     pc_cpus_init(args->cpu_model, icc_bridge);
109 
110     if (kvm_enabled() && kvmclock_enabled) {
111         kvmclock_create();
112     }
113 
114     /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory).
115      * If it doesn't, we need to split it in chunks below and above 4G.
116      * In any case, try to make sure that guest addresses aligned at
117      * 1G boundaries get mapped to host addresses aligned at 1G boundaries.
118      * For old machine types, use whatever split we used historically to avoid
119      * breaking migration.
120      */
121     if (args->ram_size >= 0xe0000000) {
122         ram_addr_t lowmem = gigabyte_align ? 0xc0000000 : 0xe0000000;
123         above_4g_mem_size = args->ram_size - lowmem;
124         below_4g_mem_size = lowmem;
125     } else {
126         above_4g_mem_size = 0;
127         below_4g_mem_size = args->ram_size;
128     }
129 
130     if (pci_enabled) {
131         pci_memory = g_new(MemoryRegion, 1);
132         memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
133         rom_memory = pci_memory;
134     } else {
135         pci_memory = NULL;
136         rom_memory = system_memory;
137     }
138 
139     guest_info = pc_guest_info_init(below_4g_mem_size, above_4g_mem_size);
140 
141     guest_info->has_acpi_build = has_acpi_build;
142 
143     guest_info->has_pci_info = has_pci_info;
144     guest_info->isapc_ram_fw = !pci_enabled;
145 
146     if (smbios_type1_defaults) {
147         /* These values are guest ABI, do not change */
148         smbios_set_type1_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)",
149                                   args->machine->name);
150     }
151 
152     /* allocate ram and load rom/bios */
153     if (!xen_enabled()) {
154         fw_cfg = pc_memory_init(system_memory,
155                        args->kernel_filename, args->kernel_cmdline,
156                        args->initrd_filename,
157                        below_4g_mem_size, above_4g_mem_size,
158                        rom_memory, &ram_memory, guest_info);
159     }
160 
161     gsi_state = g_malloc0(sizeof(*gsi_state));
162     if (kvm_irqchip_in_kernel()) {
163         kvm_pc_setup_irq_routing(pci_enabled);
164         gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
165                                  GSI_NUM_PINS);
166     } else {
167         gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
168     }
169 
170     if (pci_enabled) {
171         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
172                               system_memory, system_io, args->ram_size,
173                               below_4g_mem_size,
174                               above_4g_mem_size,
175                               pci_memory, ram_memory);
176     } else {
177         pci_bus = NULL;
178         i440fx_state = NULL;
179         isa_bus = isa_bus_new(NULL, system_io);
180         no_hpet = 1;
181     }
182     isa_bus_irqs(isa_bus, gsi);
183 
184     if (kvm_irqchip_in_kernel()) {
185         i8259 = kvm_i8259_init(isa_bus);
186     } else if (xen_enabled()) {
187         i8259 = xen_interrupt_controller_init();
188     } else {
189         cpu_irq = pc_allocate_cpu_irq();
190         i8259 = i8259_init(isa_bus, cpu_irq[0]);
191     }
192 
193     for (i = 0; i < ISA_NUM_IRQS; i++) {
194         gsi_state->i8259_irq[i] = i8259[i];
195     }
196     if (pci_enabled) {
197         ioapic_init_gsi(gsi_state, "i440fx");
198     }
199     qdev_init_nofail(icc_bridge);
200 
201     pc_register_ferr_irq(gsi[13]);
202 
203     pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
204 
205     /* init basic PC hardware */
206     pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled(),
207         0x4);
208 
209     pc_nic_init(isa_bus, pci_bus);
210 
211     ide_drive_get(hd, MAX_IDE_BUS);
212     if (pci_enabled) {
213         PCIDevice *dev;
214         if (xen_enabled()) {
215             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
216         } else {
217             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
218         }
219         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
220         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
221     } else {
222         for(i = 0; i < MAX_IDE_BUS; i++) {
223             ISADevice *dev;
224             char busname[] = "ide.0";
225             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
226                                ide_irq[i],
227                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
228             /*
229              * The ide bus name is ide.0 for the first bus and ide.1 for the
230              * second one.
231              */
232             busname[4] = '0' + i;
233             idebus[i] = qdev_get_child_bus(DEVICE(dev), busname);
234         }
235     }
236 
237     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, args->boot_order,
238                  floppy, idebus[0], idebus[1], rtc_state);
239 
240     if (pci_enabled && usb_enabled(false)) {
241         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
242     }
243 
244     if (pci_enabled && acpi_enabled) {
245         I2CBus *smbus;
246 
247         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
248         /* TODO: Populate SPD eeprom data.  */
249         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
250                               gsi[9], *smi_irq,
251                               kvm_enabled(), fw_cfg);
252         smbus_eeprom_init(smbus, 8, NULL, 0);
253     }
254 
255     if (pci_enabled) {
256         pc_pci_device_init(pci_bus);
257     }
258 }
259 
260 static void pc_init_pci(QEMUMachineInitArgs *args)
261 {
262     pc_init1(args, 1, 1);
263 }
264 
265 static void pc_compat_1_7(QEMUMachineInitArgs *args)
266 {
267     smbios_type1_defaults = false;
268     gigabyte_align = false;
269     option_rom_has_mr = true;
270     x86_cpu_compat_disable_kvm_features(FEAT_1_ECX, CPUID_EXT_X2APIC);
271 }
272 
273 static void pc_compat_1_6(QEMUMachineInitArgs *args)
274 {
275     pc_compat_1_7(args);
276     has_pci_info = false;
277     rom_file_has_mr = false;
278     has_acpi_build = false;
279 }
280 
281 static void pc_compat_1_5(QEMUMachineInitArgs *args)
282 {
283     pc_compat_1_6(args);
284 }
285 
286 static void pc_compat_1_4(QEMUMachineInitArgs *args)
287 {
288     pc_compat_1_5(args);
289     x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
290     x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0, CPUID_EXT_PCLMULQDQ);
291 }
292 
293 static void pc_compat_1_3(QEMUMachineInitArgs *args)
294 {
295     pc_compat_1_4(args);
296     enable_compat_apic_id_mode();
297 }
298 
299 /* PC compat function for pc-0.14 to pc-1.2 */
300 static void pc_compat_1_2(QEMUMachineInitArgs *args)
301 {
302     pc_compat_1_3(args);
303     x86_cpu_compat_disable_kvm_features(FEAT_KVM, KVM_FEATURE_PV_EOI);
304 }
305 
306 static void pc_init_pci_1_7(QEMUMachineInitArgs *args)
307 {
308     pc_compat_1_7(args);
309     pc_init_pci(args);
310 }
311 
312 static void pc_init_pci_1_6(QEMUMachineInitArgs *args)
313 {
314     pc_compat_1_6(args);
315     pc_init_pci(args);
316 }
317 
318 static void pc_init_pci_1_5(QEMUMachineInitArgs *args)
319 {
320     pc_compat_1_5(args);
321     pc_init_pci(args);
322 }
323 
324 static void pc_init_pci_1_4(QEMUMachineInitArgs *args)
325 {
326     pc_compat_1_4(args);
327     pc_init_pci(args);
328 }
329 
330 static void pc_init_pci_1_3(QEMUMachineInitArgs *args)
331 {
332     pc_compat_1_3(args);
333     pc_init_pci(args);
334 }
335 
336 /* PC machine init function for pc-0.14 to pc-1.2 */
337 static void pc_init_pci_1_2(QEMUMachineInitArgs *args)
338 {
339     pc_compat_1_2(args);
340     pc_init_pci(args);
341 }
342 
343 /* PC init function for pc-0.10 to pc-0.13, and reused by xenfv */
344 static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args)
345 {
346     has_pci_info = false;
347     has_acpi_build = false;
348     smbios_type1_defaults = false;
349     x86_cpu_compat_disable_kvm_features(FEAT_KVM, KVM_FEATURE_PV_EOI);
350     enable_compat_apic_id_mode();
351     pc_init1(args, 1, 0);
352 }
353 
354 static void pc_init_isa(QEMUMachineInitArgs *args)
355 {
356     has_pci_info = false;
357     has_acpi_build = false;
358     smbios_type1_defaults = false;
359     if (!args->cpu_model) {
360         args->cpu_model = "486";
361     }
362     x86_cpu_compat_disable_kvm_features(FEAT_KVM, KVM_FEATURE_PV_EOI);
363     enable_compat_apic_id_mode();
364     pc_init1(args, 0, 1);
365 }
366 
367 #ifdef CONFIG_XEN
368 static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
369 {
370     PCIBus *bus;
371 
372     pc_init_pci(args);
373 
374     bus = pci_find_primary_bus();
375     if (bus != NULL) {
376         pci_create_simple(bus, -1, "xen-platform");
377     }
378 }
379 #endif
380 
381 #define PC_I440FX_MACHINE_OPTIONS \
382     PC_DEFAULT_MACHINE_OPTIONS, \
383     .desc = "Standard PC (i440FX + PIIX, 1996)", \
384     .hot_add_cpu = pc_hot_add_cpu
385 
386 #define PC_I440FX_2_0_MACHINE_OPTIONS                           \
387     PC_I440FX_MACHINE_OPTIONS,                                  \
388     .default_machine_opts = "firmware=bios-256k.bin"
389 
390 static QEMUMachine pc_i440fx_machine_v2_0 = {
391     PC_I440FX_2_0_MACHINE_OPTIONS,
392     .name = "pc-i440fx-2.0",
393     .alias = "pc",
394     .init = pc_init_pci,
395     .is_default = 1,
396 };
397 
398 #define PC_I440FX_1_7_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
399 
400 static QEMUMachine pc_i440fx_machine_v1_7 = {
401     PC_I440FX_1_7_MACHINE_OPTIONS,
402     .name = "pc-i440fx-1.7",
403     .init = pc_init_pci_1_7,
404     .compat_props = (GlobalProperty[]) {
405         PC_COMPAT_1_7,
406         { /* end of list */ }
407     },
408 };
409 
410 #define PC_I440FX_1_6_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
411 
412 static QEMUMachine pc_i440fx_machine_v1_6 = {
413     PC_I440FX_1_6_MACHINE_OPTIONS,
414     .name = "pc-i440fx-1.6",
415     .init = pc_init_pci_1_6,
416     .compat_props = (GlobalProperty[]) {
417         PC_COMPAT_1_6,
418         { /* end of list */ }
419     },
420 };
421 
422 static QEMUMachine pc_i440fx_machine_v1_5 = {
423     PC_I440FX_1_6_MACHINE_OPTIONS,
424     .name = "pc-i440fx-1.5",
425     .init = pc_init_pci_1_5,
426     .compat_props = (GlobalProperty[]) {
427         PC_COMPAT_1_5,
428         { /* end of list */ }
429     },
430 };
431 
432 #define PC_I440FX_1_4_MACHINE_OPTIONS \
433     PC_I440FX_1_6_MACHINE_OPTIONS, \
434     .hot_add_cpu = NULL
435 
436 static QEMUMachine pc_i440fx_machine_v1_4 = {
437     PC_I440FX_1_4_MACHINE_OPTIONS,
438     .name = "pc-i440fx-1.4",
439     .init = pc_init_pci_1_4,
440     .compat_props = (GlobalProperty[]) {
441         PC_COMPAT_1_4,
442         { /* end of list */ }
443     },
444 };
445 
446 #define PC_COMPAT_1_3 \
447 	PC_COMPAT_1_4, \
448         {\
449             .driver   = "usb-tablet",\
450             .property = "usb_version",\
451             .value    = stringify(1),\
452         },{\
453             .driver   = "virtio-net-pci",\
454             .property = "ctrl_mac_addr",\
455             .value    = "off",      \
456         },{ \
457             .driver   = "virtio-net-pci", \
458             .property = "mq", \
459             .value    = "off", \
460         }, {\
461             .driver   = "e1000",\
462             .property = "autonegotiation",\
463             .value    = "off",\
464         }
465 
466 static QEMUMachine pc_machine_v1_3 = {
467     PC_I440FX_1_4_MACHINE_OPTIONS,
468     .name = "pc-1.3",
469     .init = pc_init_pci_1_3,
470     .compat_props = (GlobalProperty[]) {
471         PC_COMPAT_1_3,
472         { /* end of list */ }
473     },
474 };
475 
476 #define PC_COMPAT_1_2 \
477         PC_COMPAT_1_3,\
478         {\
479             .driver   = "nec-usb-xhci",\
480             .property = "msi",\
481             .value    = "off",\
482         },{\
483             .driver   = "nec-usb-xhci",\
484             .property = "msix",\
485             .value    = "off",\
486         },{\
487             .driver   = "ivshmem",\
488             .property = "use64",\
489             .value    = "0",\
490         },{\
491             .driver   = "qxl",\
492             .property = "revision",\
493             .value    = stringify(3),\
494         },{\
495             .driver   = "qxl-vga",\
496             .property = "revision",\
497             .value    = stringify(3),\
498         },{\
499             .driver   = "VGA",\
500             .property = "mmio",\
501             .value    = "off",\
502         }
503 
504 #define PC_I440FX_1_2_MACHINE_OPTIONS \
505     PC_I440FX_1_4_MACHINE_OPTIONS, \
506     .init = pc_init_pci_1_2
507 
508 static QEMUMachine pc_machine_v1_2 = {
509     PC_I440FX_1_2_MACHINE_OPTIONS,
510     .name = "pc-1.2",
511     .compat_props = (GlobalProperty[]) {
512         PC_COMPAT_1_2,
513         { /* end of list */ }
514     },
515 };
516 
517 #define PC_COMPAT_1_1 \
518         PC_COMPAT_1_2,\
519         {\
520             .driver   = "virtio-scsi-pci",\
521             .property = "hotplug",\
522             .value    = "off",\
523         },{\
524             .driver   = "virtio-scsi-pci",\
525             .property = "param_change",\
526             .value    = "off",\
527         },{\
528             .driver   = "VGA",\
529             .property = "vgamem_mb",\
530             .value    = stringify(8),\
531         },{\
532             .driver   = "vmware-svga",\
533             .property = "vgamem_mb",\
534             .value    = stringify(8),\
535         },{\
536             .driver   = "qxl-vga",\
537             .property = "vgamem_mb",\
538             .value    = stringify(8),\
539         },{\
540             .driver   = "qxl",\
541             .property = "vgamem_mb",\
542             .value    = stringify(8),\
543         },{\
544             .driver   = "virtio-blk-pci",\
545             .property = "config-wce",\
546             .value    = "off",\
547         }
548 
549 static QEMUMachine pc_machine_v1_1 = {
550     PC_I440FX_1_2_MACHINE_OPTIONS,
551     .name = "pc-1.1",
552     .compat_props = (GlobalProperty[]) {
553         PC_COMPAT_1_1,
554         { /* end of list */ }
555     },
556 };
557 
558 #define PC_COMPAT_1_0 \
559         PC_COMPAT_1_1,\
560         {\
561             .driver   = TYPE_ISA_FDC,\
562             .property = "check_media_rate",\
563             .value    = "off",\
564         }, {\
565             .driver   = "virtio-balloon-pci",\
566             .property = "class",\
567             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
568         },{\
569             .driver   = "apic",\
570             .property = "vapic",\
571             .value    = "off",\
572         },{\
573             .driver   = TYPE_USB_DEVICE,\
574             .property = "full-path",\
575             .value    = "no",\
576         }
577 
578 static QEMUMachine pc_machine_v1_0 = {
579     PC_I440FX_1_2_MACHINE_OPTIONS,
580     .name = "pc-1.0",
581     .compat_props = (GlobalProperty[]) {
582         PC_COMPAT_1_0,
583         { /* end of list */ }
584     },
585     .hw_version = "1.0",
586 };
587 
588 #define PC_COMPAT_0_15 \
589         PC_COMPAT_1_0
590 
591 static QEMUMachine pc_machine_v0_15 = {
592     PC_I440FX_1_2_MACHINE_OPTIONS,
593     .name = "pc-0.15",
594     .compat_props = (GlobalProperty[]) {
595         PC_COMPAT_0_15,
596         { /* end of list */ }
597     },
598     .hw_version = "0.15",
599 };
600 
601 #define PC_COMPAT_0_14 \
602         PC_COMPAT_0_15,\
603         {\
604             .driver   = "virtio-blk-pci",\
605             .property = "event_idx",\
606             .value    = "off",\
607         },{\
608             .driver   = "virtio-serial-pci",\
609             .property = "event_idx",\
610             .value    = "off",\
611         },{\
612             .driver   = "virtio-net-pci",\
613             .property = "event_idx",\
614             .value    = "off",\
615         },{\
616             .driver   = "virtio-balloon-pci",\
617             .property = "event_idx",\
618             .value    = "off",\
619         }
620 
621 static QEMUMachine pc_machine_v0_14 = {
622     PC_I440FX_1_2_MACHINE_OPTIONS,
623     .name = "pc-0.14",
624     .compat_props = (GlobalProperty[]) {
625         PC_COMPAT_0_14,
626         {
627             .driver   = "qxl",
628             .property = "revision",
629             .value    = stringify(2),
630         },{
631             .driver   = "qxl-vga",
632             .property = "revision",
633             .value    = stringify(2),
634         },
635         { /* end of list */ }
636     },
637     .hw_version = "0.14",
638 };
639 
640 #define PC_COMPAT_0_13 \
641         PC_COMPAT_0_14,\
642         {\
643             .driver   = TYPE_PCI_DEVICE,\
644             .property = "command_serr_enable",\
645             .value    = "off",\
646         },{\
647             .driver   = "AC97",\
648             .property = "use_broken_id",\
649             .value    = stringify(1),\
650         }
651 
652 #define PC_I440FX_0_13_MACHINE_OPTIONS \
653     PC_I440FX_1_2_MACHINE_OPTIONS, \
654     .init = pc_init_pci_no_kvmclock
655 
656 static QEMUMachine pc_machine_v0_13 = {
657     PC_I440FX_0_13_MACHINE_OPTIONS,
658     .name = "pc-0.13",
659     .compat_props = (GlobalProperty[]) {
660         PC_COMPAT_0_13,
661         {
662             .driver   = "virtio-9p-pci",
663             .property = "vectors",
664             .value    = stringify(0),
665         },{
666             .driver   = "VGA",
667             .property = "rombar",
668             .value    = stringify(0),
669         },{
670             .driver   = "vmware-svga",
671             .property = "rombar",
672             .value    = stringify(0),
673         },
674         { /* end of list */ }
675     },
676     .hw_version = "0.13",
677 };
678 
679 #define PC_COMPAT_0_12 \
680         PC_COMPAT_0_13,\
681         {\
682             .driver   = "virtio-serial-pci",\
683             .property = "max_ports",\
684             .value    = stringify(1),\
685         },{\
686             .driver   = "virtio-serial-pci",\
687             .property = "vectors",\
688             .value    = stringify(0),\
689         },{\
690             .driver   = "usb-mouse",\
691             .property = "serial",\
692             .value    = "1",\
693         },{\
694             .driver   = "usb-tablet",\
695             .property = "serial",\
696             .value    = "1",\
697         },{\
698             .driver   = "usb-kbd",\
699             .property = "serial",\
700             .value    = "1",\
701         }
702 
703 static QEMUMachine pc_machine_v0_12 = {
704     PC_I440FX_0_13_MACHINE_OPTIONS,
705     .name = "pc-0.12",
706     .compat_props = (GlobalProperty[]) {
707         PC_COMPAT_0_12,
708         {
709             .driver   = "VGA",
710             .property = "rombar",
711             .value    = stringify(0),
712         },{
713             .driver   = "vmware-svga",
714             .property = "rombar",
715             .value    = stringify(0),
716         },
717         { /* end of list */ }
718     },
719     .hw_version = "0.12",
720 };
721 
722 #define PC_COMPAT_0_11 \
723         PC_COMPAT_0_12,\
724         {\
725             .driver   = "virtio-blk-pci",\
726             .property = "vectors",\
727             .value    = stringify(0),\
728         },{\
729             .driver   = TYPE_PCI_DEVICE,\
730             .property = "rombar",\
731             .value    = stringify(0),\
732         }
733 
734 static QEMUMachine pc_machine_v0_11 = {
735     PC_I440FX_0_13_MACHINE_OPTIONS,
736     .name = "pc-0.11",
737     .compat_props = (GlobalProperty[]) {
738         PC_COMPAT_0_11,
739         {
740             .driver   = "ide-drive",
741             .property = "ver",
742             .value    = "0.11",
743         },{
744             .driver   = "scsi-disk",
745             .property = "ver",
746             .value    = "0.11",
747         },
748         { /* end of list */ }
749     },
750     .hw_version = "0.11",
751 };
752 
753 static QEMUMachine pc_machine_v0_10 = {
754     PC_I440FX_0_13_MACHINE_OPTIONS,
755     .name = "pc-0.10",
756     .compat_props = (GlobalProperty[]) {
757         PC_COMPAT_0_11,
758         {
759             .driver   = "virtio-blk-pci",
760             .property = "class",
761             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
762         },{
763             .driver   = "virtio-serial-pci",
764             .property = "class",
765             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
766         },{
767             .driver   = "virtio-net-pci",
768             .property = "vectors",
769             .value    = stringify(0),
770         },{
771             .driver   = "ide-drive",
772             .property = "ver",
773             .value    = "0.10",
774         },{
775             .driver   = "scsi-disk",
776             .property = "ver",
777             .value    = "0.10",
778         },
779         { /* end of list */ }
780     },
781     .hw_version = "0.10",
782 };
783 
784 static QEMUMachine isapc_machine = {
785     PC_COMMON_MACHINE_OPTIONS,
786     .name = "isapc",
787     .desc = "ISA-only PC",
788     .init = pc_init_isa,
789     .max_cpus = 1,
790     .compat_props = (GlobalProperty[]) {
791         { /* end of list */ }
792     },
793 };
794 
795 #ifdef CONFIG_XEN
796 static QEMUMachine xenfv_machine = {
797     PC_COMMON_MACHINE_OPTIONS,
798     .name = "xenfv",
799     .desc = "Xen Fully-virtualized PC",
800     .init = pc_xen_hvm_init,
801     .max_cpus = HVM_MAX_VCPUS,
802     .default_machine_opts = "accel=xen",
803     .hot_add_cpu = pc_hot_add_cpu,
804     .compat_props = (GlobalProperty[]) {
805         /* xenfv has no fwcfg and so does not load acpi from QEMU.
806          * as such new acpi features don't work.
807          */
808         {
809             .driver   = "PIIX4_PM",
810             .property = "acpi-pci-hotplug-with-bridge-support",
811             .value    = "off",
812         },
813         { /* end of list */ }
814     },
815 };
816 #endif
817 
818 static void pc_machine_init(void)
819 {
820     qemu_register_machine(&pc_i440fx_machine_v2_0);
821     qemu_register_machine(&pc_i440fx_machine_v1_7);
822     qemu_register_machine(&pc_i440fx_machine_v1_6);
823     qemu_register_machine(&pc_i440fx_machine_v1_5);
824     qemu_register_machine(&pc_i440fx_machine_v1_4);
825     qemu_register_machine(&pc_machine_v1_3);
826     qemu_register_machine(&pc_machine_v1_2);
827     qemu_register_machine(&pc_machine_v1_1);
828     qemu_register_machine(&pc_machine_v1_0);
829     qemu_register_machine(&pc_machine_v0_15);
830     qemu_register_machine(&pc_machine_v0_14);
831     qemu_register_machine(&pc_machine_v0_13);
832     qemu_register_machine(&pc_machine_v0_12);
833     qemu_register_machine(&pc_machine_v0_11);
834     qemu_register_machine(&pc_machine_v0_10);
835     qemu_register_machine(&isapc_machine);
836 #ifdef CONFIG_XEN
837     qemu_register_machine(&xenfv_machine);
838 #endif
839 }
840 
841 machine_init(pc_machine_init);
842