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
31 #include "hw/loader.h"
32 #include "sysemu/arch_init.h"
33 #include "hw/i2c/smbus.h"
34 #include "hw/boards.h"
35 #include "hw/timer/mc146818rtc.h"
36 #include "hw/xen/xen.h"
37 #include "sysemu/kvm.h"
38 #include "hw/kvm/clock.h"
39 #include "hw/pci-host/q35.h"
40 #include "exec/address-spaces.h"
41 #include "hw/i386/ich9.h"
42 #include "hw/i386/smbios.h"
43 #include "hw/ide/pci.h"
44 #include "hw/ide/ahci.h"
46 #include "hw/cpu/icc_bus.h"
47 #include "qemu/error-report.h"
49 /* ICH9 AHCI has 6 ports */
50 #define MAX_SATA_PORTS 6
52 static bool has_acpi_build
= true;
53 static bool rsdp_in_ram
= true;
54 static bool smbios_defaults
= true;
55 static bool smbios_legacy_mode
;
56 static bool smbios_uuid_encoded
= true;
57 /* Make sure that guest addresses aligned at 1Gbyte boundaries get mapped to
58 * host addresses aligned at 1Gbyte boundaries. This way we can use 1GByte
61 static bool gigabyte_align
= true;
62 static bool has_reserved_memory
= true;
64 /* PC hardware initialisation */
65 static void pc_q35_init(MachineState
*machine
)
67 PCMachineState
*pc_machine
= PC_MACHINE(machine
);
68 ram_addr_t below_4g_mem_size
, above_4g_mem_size
;
73 BusState
*idebus
[MAX_SATA_PORTS
];
76 MemoryRegion
*pci_memory
;
77 MemoryRegion
*rom_memory
;
78 MemoryRegion
*ram_memory
;
86 ICH9LPCState
*ich9_lpc
;
88 DeviceState
*icc_bridge
;
89 PcGuestInfo
*guest_info
;
91 DriveInfo
*hd
[MAX_SATA_PORTS
];
93 /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory
94 * and 256 Mbytes for PCI Express Enhanced Configuration Access Mapping
95 * also known as MMCFG).
96 * If it doesn't, we need to split it in chunks below and above 4G.
97 * In any case, try to make sure that guest addresses aligned at
98 * 1G boundaries get mapped to host addresses aligned at 1G boundaries.
99 * For old machine types, use whatever split we used historically to avoid
100 * breaking migration.
102 if (machine
->ram_size
>= 0xb0000000) {
103 lowmem
= gigabyte_align
? 0x80000000 : 0xb0000000;
108 /* Handle the machine opt max-ram-below-4g. It is basically doing
109 * min(qemu limit, user limit).
111 if (lowmem
> pc_machine
->max_ram_below_4g
) {
112 lowmem
= pc_machine
->max_ram_below_4g
;
113 if (machine
->ram_size
- lowmem
> lowmem
&&
114 lowmem
& ((1ULL << 30) - 1)) {
115 error_report("Warning: Large machine and max_ram_below_4g(%"PRIu64
116 ") not a multiple of 1G; possible bad performance.",
117 pc_machine
->max_ram_below_4g
);
121 if (machine
->ram_size
>= lowmem
) {
122 above_4g_mem_size
= machine
->ram_size
- lowmem
;
123 below_4g_mem_size
= lowmem
;
125 above_4g_mem_size
= 0;
126 below_4g_mem_size
= machine
->ram_size
;
129 if (xen_enabled() && xen_hvm_init(&below_4g_mem_size
, &above_4g_mem_size
,
131 fprintf(stderr
, "xen hardware virtual machine initialisation failed\n");
135 icc_bridge
= qdev_create(NULL
, TYPE_ICC_BRIDGE
);
136 object_property_add_child(qdev_get_machine(), "icc-bridge",
137 OBJECT(icc_bridge
), NULL
);
139 pc_cpus_init(machine
->cpu_model
, icc_bridge
);
140 pc_acpi_init("q35-acpi-dsdt.aml");
146 pci_memory
= g_new(MemoryRegion
, 1);
147 memory_region_init(pci_memory
, NULL
, "pci", UINT64_MAX
);
148 rom_memory
= pci_memory
;
151 rom_memory
= get_system_memory();
154 guest_info
= pc_guest_info_init(below_4g_mem_size
, above_4g_mem_size
);
155 guest_info
->isapc_ram_fw
= false;
156 guest_info
->has_acpi_build
= has_acpi_build
;
157 guest_info
->has_reserved_memory
= has_reserved_memory
;
158 guest_info
->rsdp_in_ram
= rsdp_in_ram
;
160 /* Migration was not supported in 2.0 for Q35, so do not bother
161 * with this hack (see hw/i386/acpi-build.c).
163 guest_info
->legacy_acpi_table_size
= 0;
165 if (smbios_defaults
) {
166 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
167 /* These values are guest ABI, do not change */
168 smbios_set_defaults("QEMU", "Standard PC (Q35 + ICH9, 2009)",
169 mc
->name
, smbios_legacy_mode
, smbios_uuid_encoded
);
172 /* allocate ram and load rom/bios */
173 if (!xen_enabled()) {
174 pc_memory_init(machine
, get_system_memory(),
175 below_4g_mem_size
, above_4g_mem_size
,
176 rom_memory
, &ram_memory
, guest_info
);
180 gsi_state
= g_malloc0(sizeof(*gsi_state
));
181 if (kvm_irqchip_in_kernel()) {
182 kvm_pc_setup_irq_routing(pci_enabled
);
183 gsi
= qemu_allocate_irqs(kvm_pc_gsi_handler
, gsi_state
,
186 gsi
= qemu_allocate_irqs(gsi_handler
, gsi_state
, GSI_NUM_PINS
);
189 /* create pci host bus */
190 q35_host
= Q35_HOST_DEVICE(qdev_create(NULL
, TYPE_Q35_HOST_DEVICE
));
192 object_property_add_child(qdev_get_machine(), "q35", OBJECT(q35_host
), NULL
);
193 q35_host
->mch
.ram_memory
= ram_memory
;
194 q35_host
->mch
.pci_address_space
= pci_memory
;
195 q35_host
->mch
.system_memory
= get_system_memory();
196 q35_host
->mch
.address_space_io
= get_system_io();
197 q35_host
->mch
.below_4g_mem_size
= below_4g_mem_size
;
198 q35_host
->mch
.above_4g_mem_size
= above_4g_mem_size
;
199 q35_host
->mch
.guest_info
= guest_info
;
201 qdev_init_nofail(DEVICE(q35_host
));
202 phb
= PCI_HOST_BRIDGE(q35_host
);
205 lpc
= pci_create_simple_multifunction(host_bus
, PCI_DEVFN(ICH9_LPC_DEV
,
206 ICH9_LPC_FUNC
), true,
207 TYPE_ICH9_LPC_DEVICE
);
209 object_property_add_link(OBJECT(machine
), PC_MACHINE_ACPI_DEVICE_PROP
,
210 TYPE_HOTPLUG_HANDLER
,
211 (Object
**)&pc_machine
->acpi_dev
,
212 object_property_allow_set_link
,
213 OBJ_PROP_LINK_UNREF_ON_RELEASE
, &error_abort
);
214 object_property_set_link(OBJECT(machine
), OBJECT(lpc
),
215 PC_MACHINE_ACPI_DEVICE_PROP
, &error_abort
);
217 ich9_lpc
= ICH9_LPC_DEVICE(lpc
);
219 ich9_lpc
->ioapic
= gsi_state
->ioapic_irq
;
220 pci_bus_irqs(host_bus
, ich9_lpc_set_irq
, ich9_lpc_map_irq
, ich9_lpc
,
222 pci_bus_set_route_irq_fn(host_bus
, ich9_route_intx_pin_to_irq
);
223 isa_bus
= ich9_lpc
->isa_bus
;
226 isa_bus_irqs(isa_bus
, gsi
);
228 if (kvm_irqchip_in_kernel()) {
229 i8259
= kvm_i8259_init(isa_bus
);
230 } else if (xen_enabled()) {
231 i8259
= xen_interrupt_controller_init();
233 cpu_irq
= pc_allocate_cpu_irq();
234 i8259
= i8259_init(isa_bus
, cpu_irq
[0]);
237 for (i
= 0; i
< ISA_NUM_IRQS
; i
++) {
238 gsi_state
->i8259_irq
[i
] = i8259
[i
];
241 ioapic_init_gsi(gsi_state
, "q35");
243 qdev_init_nofail(icc_bridge
);
245 pc_register_ferr_irq(gsi
[13]);
247 assert(pc_machine
->vmport
!= ON_OFF_AUTO_MAX
);
248 if (pc_machine
->vmport
== ON_OFF_AUTO_AUTO
) {
249 pc_machine
->vmport
= xen_enabled() ? ON_OFF_AUTO_OFF
: ON_OFF_AUTO_ON
;
252 /* init basic PC hardware */
253 pc_basic_device_init(isa_bus
, gsi
, &rtc_state
, &floppy
,
254 (pc_machine
->vmport
!= ON_OFF_AUTO_ON
), 0xff0104);
256 /* connect pm stuff to lpc */
257 ich9_lpc_pm_init(lpc
);
259 /* ahci and SATA device, for q35 1 ahci controller is built-in */
260 ahci
= pci_create_simple_multifunction(host_bus
,
261 PCI_DEVFN(ICH9_SATA1_DEV
,
264 idebus
[0] = qdev_get_child_bus(&ahci
->qdev
, "ide.0");
265 idebus
[1] = qdev_get_child_bus(&ahci
->qdev
, "ide.1");
266 g_assert(MAX_SATA_PORTS
== ICH_AHCI(ahci
)->ahci
.ports
);
267 ide_drive_get(hd
, ICH_AHCI(ahci
)->ahci
.ports
);
268 ahci_ide_create_devs(ahci
, hd
);
271 /* Should we create 6 UHCI according to ich9 spec? */
272 ehci_create_ich9_with_companions(host_bus
, 0x1d);
275 /* TODO: Populate SPD eeprom data. */
276 smbus_eeprom_init(ich9_smb_init(host_bus
,
277 PCI_DEVFN(ICH9_SMB_DEV
, ICH9_SMB_FUNC
),
281 pc_cmos_init(below_4g_mem_size
, above_4g_mem_size
, machine
->boot_order
,
282 machine
, floppy
, idebus
[0], idebus
[1], rtc_state
);
284 /* the rest devices to which pci devfn is automatically assigned */
285 pc_vga_init(isa_bus
, host_bus
);
286 pc_nic_init(isa_bus
, host_bus
);
288 pc_pci_device_init(host_bus
);
292 static void pc_compat_2_2(MachineState
*machine
)
295 x86_cpu_compat_set_features("kvm64", FEAT_1_EDX
, 0, CPUID_VME
);
296 x86_cpu_compat_set_features("kvm32", FEAT_1_EDX
, 0, CPUID_VME
);
297 x86_cpu_compat_set_features("Conroe", FEAT_1_EDX
, 0, CPUID_VME
);
298 x86_cpu_compat_set_features("Penryn", FEAT_1_EDX
, 0, CPUID_VME
);
299 x86_cpu_compat_set_features("Nehalem", FEAT_1_EDX
, 0, CPUID_VME
);
300 x86_cpu_compat_set_features("Westmere", FEAT_1_EDX
, 0, CPUID_VME
);
301 x86_cpu_compat_set_features("SandyBridge", FEAT_1_EDX
, 0, CPUID_VME
);
302 x86_cpu_compat_set_features("Haswell", FEAT_1_EDX
, 0, CPUID_VME
);
303 x86_cpu_compat_set_features("Broadwell", FEAT_1_EDX
, 0, CPUID_VME
);
304 x86_cpu_compat_set_features("Opteron_G1", FEAT_1_EDX
, 0, CPUID_VME
);
305 x86_cpu_compat_set_features("Opteron_G2", FEAT_1_EDX
, 0, CPUID_VME
);
306 x86_cpu_compat_set_features("Opteron_G3", FEAT_1_EDX
, 0, CPUID_VME
);
307 x86_cpu_compat_set_features("Opteron_G4", FEAT_1_EDX
, 0, CPUID_VME
);
308 x86_cpu_compat_set_features("Opteron_G5", FEAT_1_EDX
, 0, CPUID_VME
);
309 x86_cpu_compat_set_features("Haswell", FEAT_1_ECX
, 0, CPUID_EXT_F16C
);
310 x86_cpu_compat_set_features("Haswell", FEAT_1_ECX
, 0, CPUID_EXT_RDRAND
);
311 x86_cpu_compat_set_features("Broadwell", FEAT_1_ECX
, 0, CPUID_EXT_F16C
);
312 x86_cpu_compat_set_features("Broadwell", FEAT_1_ECX
, 0, CPUID_EXT_RDRAND
);
313 machine
->suppress_vmdesc
= true;
316 static void pc_compat_2_1(MachineState
*machine
)
318 PCMachineState
*pcms
= PC_MACHINE(machine
);
320 pc_compat_2_2(machine
);
321 pcms
->enforce_aligned_dimm
= false;
322 smbios_uuid_encoded
= false;
323 x86_cpu_compat_set_features("coreduo", FEAT_1_ECX
, CPUID_EXT_VMX
, 0);
324 x86_cpu_compat_set_features("core2duo", FEAT_1_ECX
, CPUID_EXT_VMX
, 0);
325 x86_cpu_compat_kvm_no_autodisable(FEAT_8000_0001_ECX
, CPUID_EXT3_SVM
);
328 static void pc_compat_2_0(MachineState
*machine
)
330 pc_compat_2_1(machine
);
331 smbios_legacy_mode
= true;
332 has_reserved_memory
= false;
333 pc_set_legacy_acpi_data_size();
336 static void pc_compat_1_7(MachineState
*machine
)
338 pc_compat_2_0(machine
);
339 smbios_defaults
= false;
340 gigabyte_align
= false;
341 option_rom_has_mr
= true;
342 x86_cpu_compat_kvm_no_autoenable(FEAT_1_ECX
, CPUID_EXT_X2APIC
);
345 static void pc_compat_1_6(MachineState
*machine
)
347 pc_compat_1_7(machine
);
348 rom_file_has_mr
= false;
349 has_acpi_build
= false;
352 static void pc_compat_1_5(MachineState
*machine
)
354 pc_compat_1_6(machine
);
357 static void pc_compat_1_4(MachineState
*machine
)
359 pc_compat_1_5(machine
);
360 x86_cpu_compat_set_features("n270", FEAT_1_ECX
, 0, CPUID_EXT_MOVBE
);
361 x86_cpu_compat_set_features("Westmere", FEAT_1_ECX
, 0, CPUID_EXT_PCLMULQDQ
);
364 static void pc_q35_init_2_2(MachineState
*machine
)
366 pc_compat_2_2(machine
);
367 pc_q35_init(machine
);
370 static void pc_q35_init_2_1(MachineState
*machine
)
372 pc_compat_2_1(machine
);
373 pc_q35_init(machine
);
376 static void pc_q35_init_2_0(MachineState
*machine
)
378 pc_compat_2_0(machine
);
379 pc_q35_init(machine
);
382 static void pc_q35_init_1_7(MachineState
*machine
)
384 pc_compat_1_7(machine
);
385 pc_q35_init(machine
);
388 static void pc_q35_init_1_6(MachineState
*machine
)
390 pc_compat_1_6(machine
);
391 pc_q35_init(machine
);
394 static void pc_q35_init_1_5(MachineState
*machine
)
396 pc_compat_1_5(machine
);
397 pc_q35_init(machine
);
400 static void pc_q35_init_1_4(MachineState
*machine
)
402 pc_compat_1_4(machine
);
403 pc_q35_init(machine
);
406 #define PC_Q35_MACHINE_OPTIONS \
407 PC_DEFAULT_MACHINE_OPTIONS, \
408 .family = "pc_q35", \
409 .desc = "Standard PC (Q35 + ICH9, 2009)", \
410 .hot_add_cpu = pc_hot_add_cpu, \
411 .units_per_default_bus = 1
413 #define PC_Q35_2_3_MACHINE_OPTIONS \
414 PC_Q35_MACHINE_OPTIONS, \
415 .default_machine_opts = "firmware=bios-256k.bin", \
416 .default_display = "std"
418 static QEMUMachine pc_q35_machine_v2_3
= {
419 PC_Q35_2_3_MACHINE_OPTIONS
,
420 .name
= "pc-q35-2.3",
425 #define PC_Q35_2_2_MACHINE_OPTIONS PC_Q35_2_3_MACHINE_OPTIONS
427 static QEMUMachine pc_q35_machine_v2_2
= {
428 PC_Q35_2_2_MACHINE_OPTIONS
,
429 .name
= "pc-q35-2.2",
430 .init
= pc_q35_init_2_2
,
433 #define PC_Q35_2_1_MACHINE_OPTIONS \
434 PC_Q35_MACHINE_OPTIONS, \
435 .default_machine_opts = "firmware=bios-256k.bin"
437 static QEMUMachine pc_q35_machine_v2_1
= {
438 PC_Q35_2_1_MACHINE_OPTIONS
,
439 .name
= "pc-q35-2.1",
440 .init
= pc_q35_init_2_1
,
441 .compat_props
= (GlobalProperty
[]) {
443 { /* end of list */ }
447 #define PC_Q35_2_0_MACHINE_OPTIONS PC_Q35_2_1_MACHINE_OPTIONS
449 static QEMUMachine pc_q35_machine_v2_0
= {
450 PC_Q35_2_0_MACHINE_OPTIONS
,
451 .name
= "pc-q35-2.0",
452 .init
= pc_q35_init_2_0
,
453 .compat_props
= (GlobalProperty
[]) {
455 { /* end of list */ }
459 #define PC_Q35_1_7_MACHINE_OPTIONS PC_Q35_MACHINE_OPTIONS
461 static QEMUMachine pc_q35_machine_v1_7
= {
462 PC_Q35_1_7_MACHINE_OPTIONS
,
463 .name
= "pc-q35-1.7",
464 .init
= pc_q35_init_1_7
,
465 .compat_props
= (GlobalProperty
[]) {
467 { /* end of list */ }
471 #define PC_Q35_1_6_MACHINE_OPTIONS PC_Q35_MACHINE_OPTIONS
473 static QEMUMachine pc_q35_machine_v1_6
= {
474 PC_Q35_1_6_MACHINE_OPTIONS
,
475 .name
= "pc-q35-1.6",
476 .init
= pc_q35_init_1_6
,
477 .compat_props
= (GlobalProperty
[]) {
479 { /* end of list */ }
483 static QEMUMachine pc_q35_machine_v1_5
= {
484 PC_Q35_1_6_MACHINE_OPTIONS
,
485 .name
= "pc-q35-1.5",
486 .init
= pc_q35_init_1_5
,
487 .compat_props
= (GlobalProperty
[]) {
489 { /* end of list */ }
493 #define PC_Q35_1_4_MACHINE_OPTIONS \
494 PC_Q35_1_6_MACHINE_OPTIONS, \
497 static QEMUMachine pc_q35_machine_v1_4
= {
498 PC_Q35_1_4_MACHINE_OPTIONS
,
499 .name
= "pc-q35-1.4",
500 .init
= pc_q35_init_1_4
,
501 .compat_props
= (GlobalProperty
[]) {
503 { /* end of list */ }
507 static void pc_q35_machine_init(void)
509 qemu_register_pc_machine(&pc_q35_machine_v2_3
);
510 qemu_register_pc_machine(&pc_q35_machine_v2_2
);
511 qemu_register_pc_machine(&pc_q35_machine_v2_1
);
512 qemu_register_pc_machine(&pc_q35_machine_v2_0
);
513 qemu_register_pc_machine(&pc_q35_machine_v1_7
);
514 qemu_register_pc_machine(&pc_q35_machine_v1_6
);
515 qemu_register_pc_machine(&pc_q35_machine_v1_5
);
516 qemu_register_pc_machine(&pc_q35_machine_v1_4
);
519 machine_init(pc_q35_machine_init
);