xref: /openbmc/qemu/hw/i386/pc_q35.c (revision 0c4e9931)
1 /*
2  * Q35 chipset based pc system emulator
3  *
4  * Copyright (c) 2003-2004 Fabrice Bellard
5  * Copyright (c) 2009, 2010
6  *               Isaku Yamahata <yamahata at valinux co jp>
7  *               VA Linux Systems Japan K.K.
8  * Copyright (C) 2012 Jason Baron <jbaron@redhat.com>
9  *
10  * This is based on pc.c, but heavily modified.
11  *
12  * Permission is hereby granted, free of charge, to any person obtaining a copy
13  * of this software and associated documentation files (the "Software"), to deal
14  * in the Software without restriction, including without limitation the rights
15  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
16  * copies of the Software, and to permit persons to whom the Software is
17  * furnished to do so, subject to the following conditions:
18  *
19  * The above copyright notice and this permission notice shall be included in
20  * all copies or substantial portions of the Software.
21  *
22  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
23  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
25  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
27  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
28  * THE SOFTWARE.
29  */
30 
31 #include "qemu/osdep.h"
32 #include "qemu/units.h"
33 #include "hw/loader.h"
34 #include "sysemu/arch_init.h"
35 #include "hw/i2c/smbus_eeprom.h"
36 #include "hw/rtc/mc146818rtc.h"
37 #include "hw/xen/xen.h"
38 #include "sysemu/kvm.h"
39 #include "hw/kvm/clock.h"
40 #include "hw/pci-host/q35.h"
41 #include "hw/qdev-properties.h"
42 #include "exec/address-spaces.h"
43 #include "hw/i386/x86.h"
44 #include "hw/i386/pc.h"
45 #include "hw/i386/ich9.h"
46 #include "hw/i386/amd_iommu.h"
47 #include "hw/i386/intel_iommu.h"
48 #include "hw/display/ramfb.h"
49 #include "hw/firmware/smbios.h"
50 #include "hw/ide/pci.h"
51 #include "hw/ide/ahci.h"
52 #include "hw/usb.h"
53 #include "qapi/error.h"
54 #include "qemu/error-report.h"
55 #include "sysemu/numa.h"
56 #include "hw/mem/nvdimm.h"
57 #include "hw/i386/acpi-build.h"
58 
59 /* ICH9 AHCI has 6 ports */
60 #define MAX_SATA_PORTS     6
61 
62 struct ehci_companions {
63     const char *name;
64     int func;
65     int port;
66 };
67 
68 static const struct ehci_companions ich9_1d[] = {
69     { .name = "ich9-usb-uhci1", .func = 0, .port = 0 },
70     { .name = "ich9-usb-uhci2", .func = 1, .port = 2 },
71     { .name = "ich9-usb-uhci3", .func = 2, .port = 4 },
72 };
73 
74 static const struct ehci_companions ich9_1a[] = {
75     { .name = "ich9-usb-uhci4", .func = 0, .port = 0 },
76     { .name = "ich9-usb-uhci5", .func = 1, .port = 2 },
77     { .name = "ich9-usb-uhci6", .func = 2, .port = 4 },
78 };
79 
80 static int ehci_create_ich9_with_companions(PCIBus *bus, int slot)
81 {
82     const struct ehci_companions *comp;
83     PCIDevice *ehci, *uhci;
84     BusState *usbbus;
85     const char *name;
86     int i;
87 
88     switch (slot) {
89     case 0x1d:
90         name = "ich9-usb-ehci1";
91         comp = ich9_1d;
92         break;
93     case 0x1a:
94         name = "ich9-usb-ehci2";
95         comp = ich9_1a;
96         break;
97     default:
98         return -1;
99     }
100 
101     ehci = pci_create_multifunction(bus, PCI_DEVFN(slot, 7), true, name);
102     qdev_init_nofail(&ehci->qdev);
103     usbbus = QLIST_FIRST(&ehci->qdev.child_bus);
104 
105     for (i = 0; i < 3; i++) {
106         uhci = pci_create_multifunction(bus, PCI_DEVFN(slot, comp[i].func),
107                                         true, comp[i].name);
108         qdev_prop_set_string(&uhci->qdev, "masterbus", usbbus->name);
109         qdev_prop_set_uint32(&uhci->qdev, "firstport", comp[i].port);
110         qdev_init_nofail(&uhci->qdev);
111     }
112     return 0;
113 }
114 
115 /* PC hardware initialisation */
116 static void pc_q35_init(MachineState *machine)
117 {
118     PCMachineState *pcms = PC_MACHINE(machine);
119     PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
120     X86MachineState *x86ms = X86_MACHINE(machine);
121     Q35PCIHost *q35_host;
122     PCIHostState *phb;
123     PCIBus *host_bus;
124     PCIDevice *lpc;
125     DeviceState *lpc_dev;
126     BusState *idebus[MAX_SATA_PORTS];
127     ISADevice *rtc_state;
128     MemoryRegion *system_io = get_system_io();
129     MemoryRegion *pci_memory;
130     MemoryRegion *rom_memory;
131     MemoryRegion *ram_memory;
132     GSIState *gsi_state;
133     ISABus *isa_bus;
134     int i;
135     ICH9LPCState *ich9_lpc;
136     PCIDevice *ahci;
137     ram_addr_t lowmem;
138     DriveInfo *hd[MAX_SATA_PORTS];
139     MachineClass *mc = MACHINE_GET_CLASS(machine);
140 
141     /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory
142      * and 256 Mbytes for PCI Express Enhanced Configuration Access Mapping
143      * also known as MMCFG).
144      * If it doesn't, we need to split it in chunks below and above 4G.
145      * In any case, try to make sure that guest addresses aligned at
146      * 1G boundaries get mapped to host addresses aligned at 1G boundaries.
147      */
148     if (machine->ram_size >= 0xb0000000) {
149         lowmem = 0x80000000;
150     } else {
151         lowmem = 0xb0000000;
152     }
153 
154     /* Handle the machine opt max-ram-below-4g.  It is basically doing
155      * min(qemu limit, user limit).
156      */
157     if (!x86ms->max_ram_below_4g) {
158         x86ms->max_ram_below_4g = 4 * GiB;
159     }
160     if (lowmem > x86ms->max_ram_below_4g) {
161         lowmem = x86ms->max_ram_below_4g;
162         if (machine->ram_size - lowmem > lowmem &&
163             lowmem & (1 * GiB - 1)) {
164             warn_report("There is possibly poor performance as the ram size "
165                         " (0x%" PRIx64 ") is more then twice the size of"
166                         " max-ram-below-4g (%"PRIu64") and"
167                         " max-ram-below-4g is not a multiple of 1G.",
168                         (uint64_t)machine->ram_size, x86ms->max_ram_below_4g);
169         }
170     }
171 
172     if (machine->ram_size >= lowmem) {
173         x86ms->above_4g_mem_size = machine->ram_size - lowmem;
174         x86ms->below_4g_mem_size = lowmem;
175     } else {
176         x86ms->above_4g_mem_size = 0;
177         x86ms->below_4g_mem_size = machine->ram_size;
178     }
179 
180     if (xen_enabled()) {
181         xen_hvm_init(pcms, &ram_memory);
182     }
183 
184     x86_cpus_init(x86ms, pcmc->default_cpu_version);
185 
186     kvmclock_create();
187 
188     /* pci enabled */
189     if (pcmc->pci_enabled) {
190         pci_memory = g_new(MemoryRegion, 1);
191         memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
192         rom_memory = pci_memory;
193     } else {
194         pci_memory = NULL;
195         rom_memory = get_system_memory();
196     }
197 
198     pc_guest_info_init(pcms);
199 
200     if (pcmc->smbios_defaults) {
201         /* These values are guest ABI, do not change */
202         smbios_set_defaults("QEMU", "Standard PC (Q35 + ICH9, 2009)",
203                             mc->name, pcmc->smbios_legacy_mode,
204                             pcmc->smbios_uuid_encoded,
205                             SMBIOS_ENTRY_POINT_21);
206     }
207 
208     /* allocate ram and load rom/bios */
209     if (!xen_enabled()) {
210         pc_memory_init(pcms, get_system_memory(),
211                        rom_memory, &ram_memory);
212     }
213 
214     /* create pci host bus */
215     q35_host = Q35_HOST_DEVICE(qdev_create(NULL, TYPE_Q35_HOST_DEVICE));
216 
217     object_property_add_child(qdev_get_machine(), "q35", OBJECT(q35_host));
218     object_property_set_link(OBJECT(q35_host), OBJECT(ram_memory),
219                              MCH_HOST_PROP_RAM_MEM, NULL);
220     object_property_set_link(OBJECT(q35_host), OBJECT(pci_memory),
221                              MCH_HOST_PROP_PCI_MEM, NULL);
222     object_property_set_link(OBJECT(q35_host), OBJECT(get_system_memory()),
223                              MCH_HOST_PROP_SYSTEM_MEM, NULL);
224     object_property_set_link(OBJECT(q35_host), OBJECT(system_io),
225                              MCH_HOST_PROP_IO_MEM, NULL);
226     object_property_set_int(OBJECT(q35_host), x86ms->below_4g_mem_size,
227                             PCI_HOST_BELOW_4G_MEM_SIZE, NULL);
228     object_property_set_int(OBJECT(q35_host), x86ms->above_4g_mem_size,
229                             PCI_HOST_ABOVE_4G_MEM_SIZE, NULL);
230     /* pci */
231     qdev_init_nofail(DEVICE(q35_host));
232     phb = PCI_HOST_BRIDGE(q35_host);
233     host_bus = phb->bus;
234     /* create ISA bus */
235     lpc = pci_create_simple_multifunction(host_bus, PCI_DEVFN(ICH9_LPC_DEV,
236                                           ICH9_LPC_FUNC), true,
237                                           TYPE_ICH9_LPC_DEVICE);
238 
239     object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
240                              TYPE_HOTPLUG_HANDLER,
241                              (Object **)&pcms->acpi_dev,
242                              object_property_allow_set_link,
243                              OBJ_PROP_LINK_STRONG);
244     object_property_set_link(OBJECT(machine), OBJECT(lpc),
245                              PC_MACHINE_ACPI_DEVICE_PROP, &error_abort);
246 
247     /* irq lines */
248     gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled);
249 
250     ich9_lpc = ICH9_LPC_DEVICE(lpc);
251     lpc_dev = DEVICE(lpc);
252     for (i = 0; i < GSI_NUM_PINS; i++) {
253         qdev_connect_gpio_out_named(lpc_dev, ICH9_GPIO_GSI, i, x86ms->gsi[i]);
254     }
255     pci_bus_irqs(host_bus, ich9_lpc_set_irq, ich9_lpc_map_irq, ich9_lpc,
256                  ICH9_LPC_NB_PIRQS);
257     pci_bus_set_route_irq_fn(host_bus, ich9_route_intx_pin_to_irq);
258     isa_bus = ich9_lpc->isa_bus;
259 
260     pc_i8259_create(isa_bus, gsi_state->i8259_irq);
261 
262     if (pcmc->pci_enabled) {
263         ioapic_init_gsi(gsi_state, "q35");
264     }
265 
266     if (tcg_enabled()) {
267         x86_register_ferr_irq(x86ms->gsi[13]);
268     }
269 
270     assert(pcms->vmport != ON_OFF_AUTO__MAX);
271     if (pcms->vmport == ON_OFF_AUTO_AUTO) {
272         pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON;
273     }
274 
275     /* init basic PC hardware */
276     pc_basic_device_init(isa_bus, x86ms->gsi, &rtc_state, !mc->no_floppy,
277                          (pcms->vmport != ON_OFF_AUTO_ON), pcms->pit_enabled,
278                          0xff0104);
279 
280     /* connect pm stuff to lpc */
281     ich9_lpc_pm_init(lpc, x86_machine_is_smm_enabled(x86ms));
282 
283     if (pcms->sata_enabled) {
284         /* ahci and SATA device, for q35 1 ahci controller is built-in */
285         ahci = pci_create_simple_multifunction(host_bus,
286                                                PCI_DEVFN(ICH9_SATA1_DEV,
287                                                          ICH9_SATA1_FUNC),
288                                                true, "ich9-ahci");
289         idebus[0] = qdev_get_child_bus(&ahci->qdev, "ide.0");
290         idebus[1] = qdev_get_child_bus(&ahci->qdev, "ide.1");
291         g_assert(MAX_SATA_PORTS == ahci_get_num_ports(ahci));
292         ide_drive_get(hd, ahci_get_num_ports(ahci));
293         ahci_ide_create_devs(ahci, hd);
294     } else {
295         idebus[0] = idebus[1] = NULL;
296     }
297 
298     if (machine_usb(machine)) {
299         /* Should we create 6 UHCI according to ich9 spec? */
300         ehci_create_ich9_with_companions(host_bus, 0x1d);
301     }
302 
303     if (pcms->smbus_enabled) {
304         /* TODO: Populate SPD eeprom data.  */
305         pcms->smbus = ich9_smb_init(host_bus,
306                                     PCI_DEVFN(ICH9_SMB_DEV, ICH9_SMB_FUNC),
307                                     0xb100);
308         smbus_eeprom_init(pcms->smbus, 8, NULL, 0);
309     }
310 
311     pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state);
312 
313     /* the rest devices to which pci devfn is automatically assigned */
314     pc_vga_init(isa_bus, host_bus);
315     pc_nic_init(pcmc, isa_bus, host_bus);
316 
317     if (machine->nvdimms_state->is_enabled) {
318         nvdimm_init_acpi_state(machine->nvdimms_state, system_io,
319                                x86_nvdimm_acpi_dsmio,
320                                x86ms->fw_cfg, OBJECT(pcms));
321     }
322 }
323 
324 #define DEFINE_Q35_MACHINE(suffix, name, compatfn, optionfn) \
325     static void pc_init_##suffix(MachineState *machine) \
326     { \
327         void (*compat)(MachineState *m) = (compatfn); \
328         if (compat) { \
329             compat(machine); \
330         } \
331         pc_q35_init(machine); \
332     } \
333     DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn)
334 
335 
336 static void pc_q35_machine_options(MachineClass *m)
337 {
338     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
339     pcmc->default_nic_model = "e1000e";
340 
341     m->family = "pc_q35";
342     m->desc = "Standard PC (Q35 + ICH9, 2009)";
343     m->units_per_default_bus = 1;
344     m->default_machine_opts = "firmware=bios-256k.bin";
345     m->default_display = "std";
346     m->default_kernel_irqchip_split = false;
347     m->no_floppy = 1;
348     machine_class_allow_dynamic_sysbus_dev(m, TYPE_AMD_IOMMU_DEVICE);
349     machine_class_allow_dynamic_sysbus_dev(m, TYPE_INTEL_IOMMU_DEVICE);
350     machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE);
351     m->max_cpus = 288;
352 }
353 
354 static void pc_q35_5_1_machine_options(MachineClass *m)
355 {
356     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
357     pc_q35_machine_options(m);
358     m->alias = "q35";
359     pcmc->default_cpu_version = 1;
360 }
361 
362 DEFINE_Q35_MACHINE(v5_1, "pc-q35-5.1", NULL,
363                    pc_q35_5_1_machine_options);
364 
365 static void pc_q35_5_0_machine_options(MachineClass *m)
366 {
367     pc_q35_5_1_machine_options(m);
368     m->alias = NULL;
369     compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len);
370     compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len);
371 }
372 
373 DEFINE_Q35_MACHINE(v5_0, "pc-q35-5.0", NULL,
374                    pc_q35_5_0_machine_options);
375 
376 static void pc_q35_4_2_machine_options(MachineClass *m)
377 {
378     pc_q35_5_0_machine_options(m);
379     m->alias = NULL;
380     compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len);
381     compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len);
382 }
383 
384 DEFINE_Q35_MACHINE(v4_2, "pc-q35-4.2", NULL,
385                    pc_q35_4_2_machine_options);
386 
387 static void pc_q35_4_1_machine_options(MachineClass *m)
388 {
389     pc_q35_4_2_machine_options(m);
390     m->alias = NULL;
391     compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len);
392     compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len);
393 }
394 
395 DEFINE_Q35_MACHINE(v4_1, "pc-q35-4.1", NULL,
396                    pc_q35_4_1_machine_options);
397 
398 static void pc_q35_4_0_1_machine_options(MachineClass *m)
399 {
400     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
401     pc_q35_4_1_machine_options(m);
402     m->alias = NULL;
403     pcmc->default_cpu_version = CPU_VERSION_LEGACY;
404     /*
405      * This is the default machine for the 4.0-stable branch. It is basically
406      * a 4.0 that doesn't use split irqchip by default. It MUST hence apply the
407      * 4.0 compat props.
408      */
409     compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len);
410     compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len);
411 }
412 
413 DEFINE_Q35_MACHINE(v4_0_1, "pc-q35-4.0.1", NULL,
414                    pc_q35_4_0_1_machine_options);
415 
416 static void pc_q35_4_0_machine_options(MachineClass *m)
417 {
418     pc_q35_4_0_1_machine_options(m);
419     m->default_kernel_irqchip_split = true;
420     m->alias = NULL;
421     /* Compat props are applied by the 4.0.1 machine */
422 }
423 
424 DEFINE_Q35_MACHINE(v4_0, "pc-q35-4.0", NULL,
425                    pc_q35_4_0_machine_options);
426 
427 static void pc_q35_3_1_machine_options(MachineClass *m)
428 {
429     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
430 
431     pc_q35_4_0_machine_options(m);
432     m->default_kernel_irqchip_split = false;
433     pcmc->do_not_add_smb_acpi = true;
434     m->smbus_no_migration_support = true;
435     m->alias = NULL;
436     pcmc->pvh_enabled = false;
437     compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len);
438     compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len);
439 }
440 
441 DEFINE_Q35_MACHINE(v3_1, "pc-q35-3.1", NULL,
442                    pc_q35_3_1_machine_options);
443 
444 static void pc_q35_3_0_machine_options(MachineClass *m)
445 {
446     pc_q35_3_1_machine_options(m);
447     compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len);
448     compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len);
449 }
450 
451 DEFINE_Q35_MACHINE(v3_0, "pc-q35-3.0", NULL,
452                     pc_q35_3_0_machine_options);
453 
454 static void pc_q35_2_12_machine_options(MachineClass *m)
455 {
456     pc_q35_3_0_machine_options(m);
457     compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len);
458     compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len);
459 }
460 
461 DEFINE_Q35_MACHINE(v2_12, "pc-q35-2.12", NULL,
462                    pc_q35_2_12_machine_options);
463 
464 static void pc_q35_2_11_machine_options(MachineClass *m)
465 {
466     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
467 
468     pc_q35_2_12_machine_options(m);
469     pcmc->default_nic_model = "e1000";
470     compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len);
471     compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len);
472 }
473 
474 DEFINE_Q35_MACHINE(v2_11, "pc-q35-2.11", NULL,
475                    pc_q35_2_11_machine_options);
476 
477 static void pc_q35_2_10_machine_options(MachineClass *m)
478 {
479     pc_q35_2_11_machine_options(m);
480     compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len);
481     compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len);
482     m->numa_auto_assign_ram = numa_legacy_auto_assign_ram;
483     m->auto_enable_numa_with_memhp = false;
484 }
485 
486 DEFINE_Q35_MACHINE(v2_10, "pc-q35-2.10", NULL,
487                    pc_q35_2_10_machine_options);
488 
489 static void pc_q35_2_9_machine_options(MachineClass *m)
490 {
491     pc_q35_2_10_machine_options(m);
492     compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len);
493     compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len);
494 }
495 
496 DEFINE_Q35_MACHINE(v2_9, "pc-q35-2.9", NULL,
497                    pc_q35_2_9_machine_options);
498 
499 static void pc_q35_2_8_machine_options(MachineClass *m)
500 {
501     pc_q35_2_9_machine_options(m);
502     compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len);
503     compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len);
504 }
505 
506 DEFINE_Q35_MACHINE(v2_8, "pc-q35-2.8", NULL,
507                    pc_q35_2_8_machine_options);
508 
509 static void pc_q35_2_7_machine_options(MachineClass *m)
510 {
511     pc_q35_2_8_machine_options(m);
512     m->max_cpus = 255;
513     compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len);
514     compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len);
515 }
516 
517 DEFINE_Q35_MACHINE(v2_7, "pc-q35-2.7", NULL,
518                    pc_q35_2_7_machine_options);
519 
520 static void pc_q35_2_6_machine_options(MachineClass *m)
521 {
522     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
523 
524     pc_q35_2_7_machine_options(m);
525     pcmc->legacy_cpu_hotplug = true;
526     pcmc->linuxboot_dma_enabled = false;
527     compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len);
528     compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len);
529 }
530 
531 DEFINE_Q35_MACHINE(v2_6, "pc-q35-2.6", NULL,
532                    pc_q35_2_6_machine_options);
533 
534 static void pc_q35_2_5_machine_options(MachineClass *m)
535 {
536     X86MachineClass *x86mc = X86_MACHINE_CLASS(m);
537 
538     pc_q35_2_6_machine_options(m);
539     x86mc->save_tsc_khz = false;
540     m->legacy_fw_cfg_order = 1;
541     compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len);
542     compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len);
543 }
544 
545 DEFINE_Q35_MACHINE(v2_5, "pc-q35-2.5", NULL,
546                    pc_q35_2_5_machine_options);
547 
548 static void pc_q35_2_4_machine_options(MachineClass *m)
549 {
550     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
551 
552     pc_q35_2_5_machine_options(m);
553     m->hw_version = "2.4.0";
554     pcmc->broken_reserved_end = true;
555     compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len);
556     compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len);
557 }
558 
559 DEFINE_Q35_MACHINE(v2_4, "pc-q35-2.4", NULL,
560                    pc_q35_2_4_machine_options);
561