target/arm: Honor HCR_EL2.TID1 trapping requirements
[qemu/ar7.git] / hw / i386 / pc_q35.c
blob2608cd00623c872cc1df6bd0c9c8caa96af503cc
1 /*
2 * Q35 chipset based pc system emulator
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>
10 * This is based on pc.c, but heavily modified.
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:
19 * The above copyright notice and this permission notice shall be included in
20 * all copies or substantial portions of the Software.
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.
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"
57 /* ICH9 AHCI has 6 ports */
58 #define MAX_SATA_PORTS 6
60 struct ehci_companions {
61 const char *name;
62 int func;
63 int port;
66 static const struct ehci_companions ich9_1d[] = {
67 { .name = "ich9-usb-uhci1", .func = 0, .port = 0 },
68 { .name = "ich9-usb-uhci2", .func = 1, .port = 2 },
69 { .name = "ich9-usb-uhci3", .func = 2, .port = 4 },
72 static const struct ehci_companions ich9_1a[] = {
73 { .name = "ich9-usb-uhci4", .func = 0, .port = 0 },
74 { .name = "ich9-usb-uhci5", .func = 1, .port = 2 },
75 { .name = "ich9-usb-uhci6", .func = 2, .port = 4 },
78 static int ehci_create_ich9_with_companions(PCIBus *bus, int slot)
80 const struct ehci_companions *comp;
81 PCIDevice *ehci, *uhci;
82 BusState *usbbus;
83 const char *name;
84 int i;
86 switch (slot) {
87 case 0x1d:
88 name = "ich9-usb-ehci1";
89 comp = ich9_1d;
90 break;
91 case 0x1a:
92 name = "ich9-usb-ehci2";
93 comp = ich9_1a;
94 break;
95 default:
96 return -1;
99 ehci = pci_create_multifunction(bus, PCI_DEVFN(slot, 7), true, name);
100 qdev_init_nofail(&ehci->qdev);
101 usbbus = QLIST_FIRST(&ehci->qdev.child_bus);
103 for (i = 0; i < 3; i++) {
104 uhci = pci_create_multifunction(bus, PCI_DEVFN(slot, comp[i].func),
105 true, comp[i].name);
106 qdev_prop_set_string(&uhci->qdev, "masterbus", usbbus->name);
107 qdev_prop_set_uint32(&uhci->qdev, "firstport", comp[i].port);
108 qdev_init_nofail(&uhci->qdev);
110 return 0;
113 /* PC hardware initialisation */
114 static void pc_q35_init(MachineState *machine)
116 PCMachineState *pcms = PC_MACHINE(machine);
117 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
118 X86MachineState *x86ms = X86_MACHINE(machine);
119 Q35PCIHost *q35_host;
120 PCIHostState *phb;
121 PCIBus *host_bus;
122 PCIDevice *lpc;
123 DeviceState *lpc_dev;
124 BusState *idebus[MAX_SATA_PORTS];
125 ISADevice *rtc_state;
126 MemoryRegion *system_io = get_system_io();
127 MemoryRegion *pci_memory;
128 MemoryRegion *rom_memory;
129 MemoryRegion *ram_memory;
130 GSIState *gsi_state;
131 ISABus *isa_bus;
132 int i;
133 ICH9LPCState *ich9_lpc;
134 PCIDevice *ahci;
135 ram_addr_t lowmem;
136 DriveInfo *hd[MAX_SATA_PORTS];
137 MachineClass *mc = MACHINE_GET_CLASS(machine);
139 /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory
140 * and 256 Mbytes for PCI Express Enhanced Configuration Access Mapping
141 * also known as MMCFG).
142 * If it doesn't, we need to split it in chunks below and above 4G.
143 * In any case, try to make sure that guest addresses aligned at
144 * 1G boundaries get mapped to host addresses aligned at 1G boundaries.
146 if (machine->ram_size >= 0xb0000000) {
147 lowmem = 0x80000000;
148 } else {
149 lowmem = 0xb0000000;
152 /* Handle the machine opt max-ram-below-4g. It is basically doing
153 * min(qemu limit, user limit).
155 if (!x86ms->max_ram_below_4g) {
156 x86ms->max_ram_below_4g = 4 * GiB;
158 if (lowmem > x86ms->max_ram_below_4g) {
159 lowmem = x86ms->max_ram_below_4g;
160 if (machine->ram_size - lowmem > lowmem &&
161 lowmem & (1 * GiB - 1)) {
162 warn_report("There is possibly poor performance as the ram size "
163 " (0x%" PRIx64 ") is more then twice the size of"
164 " max-ram-below-4g (%"PRIu64") and"
165 " max-ram-below-4g is not a multiple of 1G.",
166 (uint64_t)machine->ram_size, x86ms->max_ram_below_4g);
170 if (machine->ram_size >= lowmem) {
171 x86ms->above_4g_mem_size = machine->ram_size - lowmem;
172 x86ms->below_4g_mem_size = lowmem;
173 } else {
174 x86ms->above_4g_mem_size = 0;
175 x86ms->below_4g_mem_size = machine->ram_size;
178 if (xen_enabled()) {
179 xen_hvm_init(pcms, &ram_memory);
182 x86_cpus_init(x86ms, pcmc->default_cpu_version);
184 kvmclock_create();
186 /* pci enabled */
187 if (pcmc->pci_enabled) {
188 pci_memory = g_new(MemoryRegion, 1);
189 memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
190 rom_memory = pci_memory;
191 } else {
192 pci_memory = NULL;
193 rom_memory = get_system_memory();
196 pc_guest_info_init(pcms);
198 if (pcmc->smbios_defaults) {
199 /* These values are guest ABI, do not change */
200 smbios_set_defaults("QEMU", "Standard PC (Q35 + ICH9, 2009)",
201 mc->name, pcmc->smbios_legacy_mode,
202 pcmc->smbios_uuid_encoded,
203 SMBIOS_ENTRY_POINT_21);
206 /* allocate ram and load rom/bios */
207 if (!xen_enabled()) {
208 pc_memory_init(pcms, get_system_memory(),
209 rom_memory, &ram_memory);
212 /* create pci host bus */
213 q35_host = Q35_HOST_DEVICE(qdev_create(NULL, TYPE_Q35_HOST_DEVICE));
215 object_property_add_child(qdev_get_machine(), "q35", OBJECT(q35_host), NULL);
216 object_property_set_link(OBJECT(q35_host), OBJECT(ram_memory),
217 MCH_HOST_PROP_RAM_MEM, NULL);
218 object_property_set_link(OBJECT(q35_host), OBJECT(pci_memory),
219 MCH_HOST_PROP_PCI_MEM, NULL);
220 object_property_set_link(OBJECT(q35_host), OBJECT(get_system_memory()),
221 MCH_HOST_PROP_SYSTEM_MEM, NULL);
222 object_property_set_link(OBJECT(q35_host), OBJECT(system_io),
223 MCH_HOST_PROP_IO_MEM, NULL);
224 object_property_set_int(OBJECT(q35_host), x86ms->below_4g_mem_size,
225 PCI_HOST_BELOW_4G_MEM_SIZE, NULL);
226 object_property_set_int(OBJECT(q35_host), x86ms->above_4g_mem_size,
227 PCI_HOST_ABOVE_4G_MEM_SIZE, NULL);
228 /* pci */
229 qdev_init_nofail(DEVICE(q35_host));
230 phb = PCI_HOST_BRIDGE(q35_host);
231 host_bus = phb->bus;
232 /* create ISA bus */
233 lpc = pci_create_simple_multifunction(host_bus, PCI_DEVFN(ICH9_LPC_DEV,
234 ICH9_LPC_FUNC), true,
235 TYPE_ICH9_LPC_DEVICE);
237 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
238 TYPE_HOTPLUG_HANDLER,
239 (Object **)&pcms->acpi_dev,
240 object_property_allow_set_link,
241 OBJ_PROP_LINK_STRONG, &error_abort);
242 object_property_set_link(OBJECT(machine), OBJECT(lpc),
243 PC_MACHINE_ACPI_DEVICE_PROP, &error_abort);
245 /* irq lines */
246 gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled);
248 ich9_lpc = ICH9_LPC_DEVICE(lpc);
249 lpc_dev = DEVICE(lpc);
250 for (i = 0; i < GSI_NUM_PINS; i++) {
251 qdev_connect_gpio_out_named(lpc_dev, ICH9_GPIO_GSI, i, x86ms->gsi[i]);
253 pci_bus_irqs(host_bus, ich9_lpc_set_irq, ich9_lpc_map_irq, ich9_lpc,
254 ICH9_LPC_NB_PIRQS);
255 pci_bus_set_route_irq_fn(host_bus, ich9_route_intx_pin_to_irq);
256 isa_bus = ich9_lpc->isa_bus;
258 pc_i8259_create(isa_bus, gsi_state->i8259_irq);
260 if (pcmc->pci_enabled) {
261 ioapic_init_gsi(gsi_state, "q35");
264 if (tcg_enabled()) {
265 x86_register_ferr_irq(x86ms->gsi[13]);
268 assert(pcms->vmport != ON_OFF_AUTO__MAX);
269 if (pcms->vmport == ON_OFF_AUTO_AUTO) {
270 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON;
273 /* init basic PC hardware */
274 pc_basic_device_init(isa_bus, x86ms->gsi, &rtc_state, !mc->no_floppy,
275 (pcms->vmport != ON_OFF_AUTO_ON), pcms->pit_enabled,
276 0xff0104);
278 /* connect pm stuff to lpc */
279 ich9_lpc_pm_init(lpc, pc_machine_is_smm_enabled(pcms));
281 if (pcms->sata_enabled) {
282 /* ahci and SATA device, for q35 1 ahci controller is built-in */
283 ahci = pci_create_simple_multifunction(host_bus,
284 PCI_DEVFN(ICH9_SATA1_DEV,
285 ICH9_SATA1_FUNC),
286 true, "ich9-ahci");
287 idebus[0] = qdev_get_child_bus(&ahci->qdev, "ide.0");
288 idebus[1] = qdev_get_child_bus(&ahci->qdev, "ide.1");
289 g_assert(MAX_SATA_PORTS == ahci_get_num_ports(ahci));
290 ide_drive_get(hd, ahci_get_num_ports(ahci));
291 ahci_ide_create_devs(ahci, hd);
292 } else {
293 idebus[0] = idebus[1] = NULL;
296 if (machine_usb(machine)) {
297 /* Should we create 6 UHCI according to ich9 spec? */
298 ehci_create_ich9_with_companions(host_bus, 0x1d);
301 if (pcms->smbus_enabled) {
302 /* TODO: Populate SPD eeprom data. */
303 pcms->smbus = ich9_smb_init(host_bus,
304 PCI_DEVFN(ICH9_SMB_DEV, ICH9_SMB_FUNC),
305 0xb100);
306 smbus_eeprom_init(pcms->smbus, 8, NULL, 0);
309 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state);
311 /* the rest devices to which pci devfn is automatically assigned */
312 pc_vga_init(isa_bus, host_bus);
313 pc_nic_init(pcmc, isa_bus, host_bus);
315 if (machine->nvdimms_state->is_enabled) {
316 nvdimm_init_acpi_state(machine->nvdimms_state, system_io,
317 x86ms->fw_cfg, OBJECT(pcms));
321 #define DEFINE_Q35_MACHINE(suffix, name, compatfn, optionfn) \
322 static void pc_init_##suffix(MachineState *machine) \
324 void (*compat)(MachineState *m) = (compatfn); \
325 if (compat) { \
326 compat(machine); \
328 pc_q35_init(machine); \
330 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn)
333 static void pc_q35_machine_options(MachineClass *m)
335 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
336 pcmc->default_nic_model = "e1000e";
338 m->family = "pc_q35";
339 m->desc = "Standard PC (Q35 + ICH9, 2009)";
340 m->units_per_default_bus = 1;
341 m->default_machine_opts = "firmware=bios-256k.bin";
342 m->default_display = "std";
343 m->default_kernel_irqchip_split = false;
344 m->no_floppy = 1;
345 machine_class_allow_dynamic_sysbus_dev(m, TYPE_AMD_IOMMU_DEVICE);
346 machine_class_allow_dynamic_sysbus_dev(m, TYPE_INTEL_IOMMU_DEVICE);
347 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE);
348 m->max_cpus = 288;
351 static void pc_q35_4_2_machine_options(MachineClass *m)
353 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
354 pc_q35_machine_options(m);
355 m->alias = "q35";
356 pcmc->default_cpu_version = 1;
357 compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len);
360 DEFINE_Q35_MACHINE(v4_2, "pc-q35-4.2", NULL,
361 pc_q35_4_2_machine_options);
363 static void pc_q35_4_1_machine_options(MachineClass *m)
365 pc_q35_4_2_machine_options(m);
366 m->alias = NULL;
367 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len);
368 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len);
371 DEFINE_Q35_MACHINE(v4_1, "pc-q35-4.1", NULL,
372 pc_q35_4_1_machine_options);
374 static void pc_q35_4_0_1_machine_options(MachineClass *m)
376 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
377 pc_q35_4_1_machine_options(m);
378 m->alias = NULL;
379 pcmc->default_cpu_version = CPU_VERSION_LEGACY;
381 * This is the default machine for the 4.0-stable branch. It is basically
382 * a 4.0 that doesn't use split irqchip by default. It MUST hence apply the
383 * 4.0 compat props.
385 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len);
386 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len);
389 DEFINE_Q35_MACHINE(v4_0_1, "pc-q35-4.0.1", NULL,
390 pc_q35_4_0_1_machine_options);
392 static void pc_q35_4_0_machine_options(MachineClass *m)
394 pc_q35_4_0_1_machine_options(m);
395 m->default_kernel_irqchip_split = true;
396 m->alias = NULL;
397 /* Compat props are applied by the 4.0.1 machine */
400 DEFINE_Q35_MACHINE(v4_0, "pc-q35-4.0", NULL,
401 pc_q35_4_0_machine_options);
403 static void pc_q35_3_1_machine_options(MachineClass *m)
405 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
407 pc_q35_4_0_machine_options(m);
408 m->default_kernel_irqchip_split = false;
409 pcmc->do_not_add_smb_acpi = true;
410 m->smbus_no_migration_support = true;
411 m->alias = NULL;
412 pcmc->pvh_enabled = false;
413 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len);
414 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len);
417 DEFINE_Q35_MACHINE(v3_1, "pc-q35-3.1", NULL,
418 pc_q35_3_1_machine_options);
420 static void pc_q35_3_0_machine_options(MachineClass *m)
422 pc_q35_3_1_machine_options(m);
423 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len);
424 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len);
427 DEFINE_Q35_MACHINE(v3_0, "pc-q35-3.0", NULL,
428 pc_q35_3_0_machine_options);
430 static void pc_q35_2_12_machine_options(MachineClass *m)
432 pc_q35_3_0_machine_options(m);
433 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len);
434 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len);
437 DEFINE_Q35_MACHINE(v2_12, "pc-q35-2.12", NULL,
438 pc_q35_2_12_machine_options);
440 static void pc_q35_2_11_machine_options(MachineClass *m)
442 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
444 pc_q35_2_12_machine_options(m);
445 pcmc->default_nic_model = "e1000";
446 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len);
447 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len);
450 DEFINE_Q35_MACHINE(v2_11, "pc-q35-2.11", NULL,
451 pc_q35_2_11_machine_options);
453 static void pc_q35_2_10_machine_options(MachineClass *m)
455 pc_q35_2_11_machine_options(m);
456 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len);
457 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len);
458 m->numa_auto_assign_ram = numa_legacy_auto_assign_ram;
459 m->auto_enable_numa_with_memhp = false;
462 DEFINE_Q35_MACHINE(v2_10, "pc-q35-2.10", NULL,
463 pc_q35_2_10_machine_options);
465 static void pc_q35_2_9_machine_options(MachineClass *m)
467 pc_q35_2_10_machine_options(m);
468 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len);
469 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len);
472 DEFINE_Q35_MACHINE(v2_9, "pc-q35-2.9", NULL,
473 pc_q35_2_9_machine_options);
475 static void pc_q35_2_8_machine_options(MachineClass *m)
477 pc_q35_2_9_machine_options(m);
478 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len);
479 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len);
482 DEFINE_Q35_MACHINE(v2_8, "pc-q35-2.8", NULL,
483 pc_q35_2_8_machine_options);
485 static void pc_q35_2_7_machine_options(MachineClass *m)
487 pc_q35_2_8_machine_options(m);
488 m->max_cpus = 255;
489 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len);
490 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len);
493 DEFINE_Q35_MACHINE(v2_7, "pc-q35-2.7", NULL,
494 pc_q35_2_7_machine_options);
496 static void pc_q35_2_6_machine_options(MachineClass *m)
498 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
500 pc_q35_2_7_machine_options(m);
501 pcmc->legacy_cpu_hotplug = true;
502 pcmc->linuxboot_dma_enabled = false;
503 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len);
504 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len);
507 DEFINE_Q35_MACHINE(v2_6, "pc-q35-2.6", NULL,
508 pc_q35_2_6_machine_options);
510 static void pc_q35_2_5_machine_options(MachineClass *m)
512 X86MachineClass *x86mc = X86_MACHINE_CLASS(m);
514 pc_q35_2_6_machine_options(m);
515 x86mc->save_tsc_khz = false;
516 m->legacy_fw_cfg_order = 1;
517 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len);
518 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len);
521 DEFINE_Q35_MACHINE(v2_5, "pc-q35-2.5", NULL,
522 pc_q35_2_5_machine_options);
524 static void pc_q35_2_4_machine_options(MachineClass *m)
526 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
528 pc_q35_2_5_machine_options(m);
529 m->hw_version = "2.4.0";
530 pcmc->broken_reserved_end = true;
531 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len);
532 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len);
535 DEFINE_Q35_MACHINE(v2_4, "pc-q35-2.4", NULL,
536 pc_q35_2_4_machine_options);