xref: /qemu/hw/i386/pc_q35.c (revision 27a4a30e)
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 
58 /* ICH9 AHCI has 6 ports */
59 #define MAX_SATA_PORTS     6
60 
61 struct ehci_companions {
62     const char *name;
63     int func;
64     int port;
65 };
66 
67 static const struct ehci_companions ich9_1d[] = {
68     { .name = "ich9-usb-uhci1", .func = 0, .port = 0 },
69     { .name = "ich9-usb-uhci2", .func = 1, .port = 2 },
70     { .name = "ich9-usb-uhci3", .func = 2, .port = 4 },
71 };
72 
73 static const struct ehci_companions ich9_1a[] = {
74     { .name = "ich9-usb-uhci4", .func = 0, .port = 0 },
75     { .name = "ich9-usb-uhci5", .func = 1, .port = 2 },
76     { .name = "ich9-usb-uhci6", .func = 2, .port = 4 },
77 };
78 
79 static int ehci_create_ich9_with_companions(PCIBus *bus, int slot)
80 {
81     const struct ehci_companions *comp;
82     PCIDevice *ehci, *uhci;
83     BusState *usbbus;
84     const char *name;
85     int i;
86 
87     switch (slot) {
88     case 0x1d:
89         name = "ich9-usb-ehci1";
90         comp = ich9_1d;
91         break;
92     case 0x1a:
93         name = "ich9-usb-ehci2";
94         comp = ich9_1a;
95         break;
96     default:
97         return -1;
98     }
99 
100     ehci = pci_create_multifunction(bus, PCI_DEVFN(slot, 7), true, name);
101     qdev_init_nofail(&ehci->qdev);
102     usbbus = QLIST_FIRST(&ehci->qdev.child_bus);
103 
104     for (i = 0; i < 3; i++) {
105         uhci = pci_create_multifunction(bus, PCI_DEVFN(slot, comp[i].func),
106                                         true, comp[i].name);
107         qdev_prop_set_string(&uhci->qdev, "masterbus", usbbus->name);
108         qdev_prop_set_uint32(&uhci->qdev, "firstport", comp[i].port);
109         qdev_init_nofail(&uhci->qdev);
110     }
111     return 0;
112 }
113 
114 /* PC hardware initialisation */
115 static void pc_q35_init(MachineState *machine)
116 {
117     PCMachineState *pcms = PC_MACHINE(machine);
118     PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
119     X86MachineState *x86ms = X86_MACHINE(machine);
120     Q35PCIHost *q35_host;
121     PCIHostState *phb;
122     PCIBus *host_bus;
123     PCIDevice *lpc;
124     DeviceState *lpc_dev;
125     BusState *idebus[MAX_SATA_PORTS];
126     ISADevice *rtc_state;
127     MemoryRegion *system_io = get_system_io();
128     MemoryRegion *pci_memory;
129     MemoryRegion *rom_memory;
130     MemoryRegion *ram_memory;
131     GSIState *gsi_state;
132     ISABus *isa_bus;
133     int i;
134     ICH9LPCState *ich9_lpc;
135     PCIDevice *ahci;
136     ram_addr_t lowmem;
137     DriveInfo *hd[MAX_SATA_PORTS];
138     MachineClass *mc = MACHINE_GET_CLASS(machine);
139 
140     /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory
141      * and 256 Mbytes for PCI Express Enhanced Configuration Access Mapping
142      * also known as MMCFG).
143      * If it doesn't, we need to split it in chunks below and above 4G.
144      * In any case, try to make sure that guest addresses aligned at
145      * 1G boundaries get mapped to host addresses aligned at 1G boundaries.
146      */
147     if (machine->ram_size >= 0xb0000000) {
148         lowmem = 0x80000000;
149     } else {
150         lowmem = 0xb0000000;
151     }
152 
153     /* Handle the machine opt max-ram-below-4g.  It is basically doing
154      * min(qemu limit, user limit).
155      */
156     if (!x86ms->max_ram_below_4g) {
157         x86ms->max_ram_below_4g = 4 * GiB;
158     }
159     if (lowmem > x86ms->max_ram_below_4g) {
160         lowmem = x86ms->max_ram_below_4g;
161         if (machine->ram_size - lowmem > lowmem &&
162             lowmem & (1 * GiB - 1)) {
163             warn_report("There is possibly poor performance as the ram size "
164                         " (0x%" PRIx64 ") is more then twice the size of"
165                         " max-ram-below-4g (%"PRIu64") and"
166                         " max-ram-below-4g is not a multiple of 1G.",
167                         (uint64_t)machine->ram_size, x86ms->max_ram_below_4g);
168         }
169     }
170 
171     if (machine->ram_size >= lowmem) {
172         x86ms->above_4g_mem_size = machine->ram_size - lowmem;
173         x86ms->below_4g_mem_size = lowmem;
174     } else {
175         x86ms->above_4g_mem_size = 0;
176         x86ms->below_4g_mem_size = machine->ram_size;
177     }
178 
179     if (xen_enabled()) {
180         xen_hvm_init(pcms, &ram_memory);
181     }
182 
183     x86_cpus_init(x86ms, pcmc->default_cpu_version);
184 
185     kvmclock_create();
186 
187     /* pci enabled */
188     if (pcmc->pci_enabled) {
189         pci_memory = g_new(MemoryRegion, 1);
190         memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
191         rom_memory = pci_memory;
192     } else {
193         pci_memory = NULL;
194         rom_memory = get_system_memory();
195     }
196 
197     pc_guest_info_init(pcms);
198 
199     if (pcmc->smbios_defaults) {
200         /* These values are guest ABI, do not change */
201         smbios_set_defaults("QEMU", "Standard PC (Q35 + ICH9, 2009)",
202                             mc->name, pcmc->smbios_legacy_mode,
203                             pcmc->smbios_uuid_encoded,
204                             SMBIOS_ENTRY_POINT_21);
205     }
206 
207     /* allocate ram and load rom/bios */
208     if (!xen_enabled()) {
209         pc_memory_init(pcms, get_system_memory(),
210                        rom_memory, &ram_memory);
211     }
212 
213     /* create pci host bus */
214     q35_host = Q35_HOST_DEVICE(qdev_create(NULL, TYPE_Q35_HOST_DEVICE));
215 
216     object_property_add_child(qdev_get_machine(), "q35", OBJECT(q35_host), NULL);
217     object_property_set_link(OBJECT(q35_host), OBJECT(ram_memory),
218                              MCH_HOST_PROP_RAM_MEM, NULL);
219     object_property_set_link(OBJECT(q35_host), OBJECT(pci_memory),
220                              MCH_HOST_PROP_PCI_MEM, NULL);
221     object_property_set_link(OBJECT(q35_host), OBJECT(get_system_memory()),
222                              MCH_HOST_PROP_SYSTEM_MEM, NULL);
223     object_property_set_link(OBJECT(q35_host), OBJECT(system_io),
224                              MCH_HOST_PROP_IO_MEM, NULL);
225     object_property_set_int(OBJECT(q35_host), x86ms->below_4g_mem_size,
226                             PCI_HOST_BELOW_4G_MEM_SIZE, NULL);
227     object_property_set_int(OBJECT(q35_host), x86ms->above_4g_mem_size,
228                             PCI_HOST_ABOVE_4G_MEM_SIZE, NULL);
229     /* pci */
230     qdev_init_nofail(DEVICE(q35_host));
231     phb = PCI_HOST_BRIDGE(q35_host);
232     host_bus = phb->bus;
233     /* create ISA bus */
234     lpc = pci_create_simple_multifunction(host_bus, PCI_DEVFN(ICH9_LPC_DEV,
235                                           ICH9_LPC_FUNC), true,
236                                           TYPE_ICH9_LPC_DEVICE);
237 
238     object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
239                              TYPE_HOTPLUG_HANDLER,
240                              (Object **)&pcms->acpi_dev,
241                              object_property_allow_set_link,
242                              OBJ_PROP_LINK_STRONG, &error_abort);
243     object_property_set_link(OBJECT(machine), OBJECT(lpc),
244                              PC_MACHINE_ACPI_DEVICE_PROP, &error_abort);
245 
246     /* irq lines */
247     gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled);
248 
249     ich9_lpc = ICH9_LPC_DEVICE(lpc);
250     lpc_dev = DEVICE(lpc);
251     for (i = 0; i < GSI_NUM_PINS; i++) {
252         qdev_connect_gpio_out_named(lpc_dev, ICH9_GPIO_GSI, i, x86ms->gsi[i]);
253     }
254     pci_bus_irqs(host_bus, ich9_lpc_set_irq, ich9_lpc_map_irq, ich9_lpc,
255                  ICH9_LPC_NB_PIRQS);
256     pci_bus_set_route_irq_fn(host_bus, ich9_route_intx_pin_to_irq);
257     isa_bus = ich9_lpc->isa_bus;
258 
259     pc_i8259_create(isa_bus, gsi_state->i8259_irq);
260 
261     if (pcmc->pci_enabled) {
262         ioapic_init_gsi(gsi_state, "q35");
263     }
264 
265     if (tcg_enabled()) {
266         x86_register_ferr_irq(x86ms->gsi[13]);
267     }
268 
269     assert(pcms->vmport != ON_OFF_AUTO__MAX);
270     if (pcms->vmport == ON_OFF_AUTO_AUTO) {
271         pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON;
272     }
273 
274     /* init basic PC hardware */
275     pc_basic_device_init(isa_bus, x86ms->gsi, &rtc_state, !mc->no_floppy,
276                          (pcms->vmport != ON_OFF_AUTO_ON), pcms->pit_enabled,
277                          0xff0104);
278 
279     /* connect pm stuff to lpc */
280     ich9_lpc_pm_init(lpc, x86_machine_is_smm_enabled(x86ms));
281 
282     if (pcms->sata_enabled) {
283         /* ahci and SATA device, for q35 1 ahci controller is built-in */
284         ahci = pci_create_simple_multifunction(host_bus,
285                                                PCI_DEVFN(ICH9_SATA1_DEV,
286                                                          ICH9_SATA1_FUNC),
287                                                true, "ich9-ahci");
288         idebus[0] = qdev_get_child_bus(&ahci->qdev, "ide.0");
289         idebus[1] = qdev_get_child_bus(&ahci->qdev, "ide.1");
290         g_assert(MAX_SATA_PORTS == ahci_get_num_ports(ahci));
291         ide_drive_get(hd, ahci_get_num_ports(ahci));
292         ahci_ide_create_devs(ahci, hd);
293     } else {
294         idebus[0] = idebus[1] = NULL;
295     }
296 
297     if (machine_usb(machine)) {
298         /* Should we create 6 UHCI according to ich9 spec? */
299         ehci_create_ich9_with_companions(host_bus, 0x1d);
300     }
301 
302     if (pcms->smbus_enabled) {
303         /* TODO: Populate SPD eeprom data.  */
304         pcms->smbus = ich9_smb_init(host_bus,
305                                     PCI_DEVFN(ICH9_SMB_DEV, ICH9_SMB_FUNC),
306                                     0xb100);
307         smbus_eeprom_init(pcms->smbus, 8, NULL, 0);
308     }
309 
310     pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state);
311 
312     /* the rest devices to which pci devfn is automatically assigned */
313     pc_vga_init(isa_bus, host_bus);
314     pc_nic_init(pcmc, isa_bus, host_bus);
315 
316     if (machine->nvdimms_state->is_enabled) {
317         nvdimm_init_acpi_state(machine->nvdimms_state, system_io,
318                                x86ms->fw_cfg, OBJECT(pcms));
319     }
320 }
321 
322 #define DEFINE_Q35_MACHINE(suffix, name, compatfn, optionfn) \
323     static void pc_init_##suffix(MachineState *machine) \
324     { \
325         void (*compat)(MachineState *m) = (compatfn); \
326         if (compat) { \
327             compat(machine); \
328         } \
329         pc_q35_init(machine); \
330     } \
331     DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn)
332 
333 
334 static void pc_q35_machine_options(MachineClass *m)
335 {
336     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
337     pcmc->default_nic_model = "e1000e";
338 
339     m->family = "pc_q35";
340     m->desc = "Standard PC (Q35 + ICH9, 2009)";
341     m->units_per_default_bus = 1;
342     m->default_machine_opts = "firmware=bios-256k.bin";
343     m->default_display = "std";
344     m->default_kernel_irqchip_split = false;
345     m->no_floppy = 1;
346     machine_class_allow_dynamic_sysbus_dev(m, TYPE_AMD_IOMMU_DEVICE);
347     machine_class_allow_dynamic_sysbus_dev(m, TYPE_INTEL_IOMMU_DEVICE);
348     machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE);
349     m->max_cpus = 288;
350 }
351 
352 static void pc_q35_5_0_machine_options(MachineClass *m)
353 {
354     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
355     pc_q35_machine_options(m);
356     m->alias = "q35";
357     pcmc->default_cpu_version = 1;
358 }
359 
360 DEFINE_Q35_MACHINE(v5_0, "pc-q35-5.0", NULL,
361                    pc_q35_5_0_machine_options);
362 
363 static void pc_q35_4_2_machine_options(MachineClass *m)
364 {
365     pc_q35_5_0_machine_options(m);
366     m->alias = NULL;
367     compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len);
368     compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len);
369 }
370 
371 DEFINE_Q35_MACHINE(v4_2, "pc-q35-4.2", NULL,
372                    pc_q35_4_2_machine_options);
373 
374 static void pc_q35_4_1_machine_options(MachineClass *m)
375 {
376     pc_q35_4_2_machine_options(m);
377     m->alias = NULL;
378     compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len);
379     compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len);
380 }
381 
382 DEFINE_Q35_MACHINE(v4_1, "pc-q35-4.1", NULL,
383                    pc_q35_4_1_machine_options);
384 
385 static void pc_q35_4_0_1_machine_options(MachineClass *m)
386 {
387     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
388     pc_q35_4_1_machine_options(m);
389     m->alias = NULL;
390     pcmc->default_cpu_version = CPU_VERSION_LEGACY;
391     /*
392      * This is the default machine for the 4.0-stable branch. It is basically
393      * a 4.0 that doesn't use split irqchip by default. It MUST hence apply the
394      * 4.0 compat props.
395      */
396     compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len);
397     compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len);
398 }
399 
400 DEFINE_Q35_MACHINE(v4_0_1, "pc-q35-4.0.1", NULL,
401                    pc_q35_4_0_1_machine_options);
402 
403 static void pc_q35_4_0_machine_options(MachineClass *m)
404 {
405     pc_q35_4_0_1_machine_options(m);
406     m->default_kernel_irqchip_split = true;
407     m->alias = NULL;
408     /* Compat props are applied by the 4.0.1 machine */
409 }
410 
411 DEFINE_Q35_MACHINE(v4_0, "pc-q35-4.0", NULL,
412                    pc_q35_4_0_machine_options);
413 
414 static void pc_q35_3_1_machine_options(MachineClass *m)
415 {
416     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
417 
418     pc_q35_4_0_machine_options(m);
419     m->default_kernel_irqchip_split = false;
420     pcmc->do_not_add_smb_acpi = true;
421     m->smbus_no_migration_support = true;
422     m->alias = NULL;
423     pcmc->pvh_enabled = false;
424     compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len);
425     compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len);
426 }
427 
428 DEFINE_Q35_MACHINE(v3_1, "pc-q35-3.1", NULL,
429                    pc_q35_3_1_machine_options);
430 
431 static void pc_q35_3_0_machine_options(MachineClass *m)
432 {
433     pc_q35_3_1_machine_options(m);
434     compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len);
435     compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len);
436 }
437 
438 DEFINE_Q35_MACHINE(v3_0, "pc-q35-3.0", NULL,
439                     pc_q35_3_0_machine_options);
440 
441 static void pc_q35_2_12_machine_options(MachineClass *m)
442 {
443     pc_q35_3_0_machine_options(m);
444     compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len);
445     compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len);
446 }
447 
448 DEFINE_Q35_MACHINE(v2_12, "pc-q35-2.12", NULL,
449                    pc_q35_2_12_machine_options);
450 
451 static void pc_q35_2_11_machine_options(MachineClass *m)
452 {
453     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
454 
455     pc_q35_2_12_machine_options(m);
456     pcmc->default_nic_model = "e1000";
457     compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len);
458     compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len);
459 }
460 
461 DEFINE_Q35_MACHINE(v2_11, "pc-q35-2.11", NULL,
462                    pc_q35_2_11_machine_options);
463 
464 static void pc_q35_2_10_machine_options(MachineClass *m)
465 {
466     pc_q35_2_11_machine_options(m);
467     compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len);
468     compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len);
469     m->numa_auto_assign_ram = numa_legacy_auto_assign_ram;
470     m->auto_enable_numa_with_memhp = false;
471 }
472 
473 DEFINE_Q35_MACHINE(v2_10, "pc-q35-2.10", NULL,
474                    pc_q35_2_10_machine_options);
475 
476 static void pc_q35_2_9_machine_options(MachineClass *m)
477 {
478     pc_q35_2_10_machine_options(m);
479     compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len);
480     compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len);
481 }
482 
483 DEFINE_Q35_MACHINE(v2_9, "pc-q35-2.9", NULL,
484                    pc_q35_2_9_machine_options);
485 
486 static void pc_q35_2_8_machine_options(MachineClass *m)
487 {
488     pc_q35_2_9_machine_options(m);
489     compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len);
490     compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len);
491 }
492 
493 DEFINE_Q35_MACHINE(v2_8, "pc-q35-2.8", NULL,
494                    pc_q35_2_8_machine_options);
495 
496 static void pc_q35_2_7_machine_options(MachineClass *m)
497 {
498     pc_q35_2_8_machine_options(m);
499     m->max_cpus = 255;
500     compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len);
501     compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len);
502 }
503 
504 DEFINE_Q35_MACHINE(v2_7, "pc-q35-2.7", NULL,
505                    pc_q35_2_7_machine_options);
506 
507 static void pc_q35_2_6_machine_options(MachineClass *m)
508 {
509     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
510 
511     pc_q35_2_7_machine_options(m);
512     pcmc->legacy_cpu_hotplug = true;
513     pcmc->linuxboot_dma_enabled = false;
514     compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len);
515     compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len);
516 }
517 
518 DEFINE_Q35_MACHINE(v2_6, "pc-q35-2.6", NULL,
519                    pc_q35_2_6_machine_options);
520 
521 static void pc_q35_2_5_machine_options(MachineClass *m)
522 {
523     X86MachineClass *x86mc = X86_MACHINE_CLASS(m);
524 
525     pc_q35_2_6_machine_options(m);
526     x86mc->save_tsc_khz = false;
527     m->legacy_fw_cfg_order = 1;
528     compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len);
529     compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len);
530 }
531 
532 DEFINE_Q35_MACHINE(v2_5, "pc-q35-2.5", NULL,
533                    pc_q35_2_5_machine_options);
534 
535 static void pc_q35_2_4_machine_options(MachineClass *m)
536 {
537     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
538 
539     pc_q35_2_5_machine_options(m);
540     m->hw_version = "2.4.0";
541     pcmc->broken_reserved_end = true;
542     compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len);
543     compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len);
544 }
545 
546 DEFINE_Q35_MACHINE(v2_4, "pc-q35-2.4", NULL,
547                    pc_q35_2_4_machine_options);
548