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/ide/pci.h"
43 #include "hw/ide/ahci.h"
45 #include "hw/cpu/icc_bus.h"
47 /* ICH9 AHCI has 6 ports */
48 #define MAX_SATA_PORTS 6
50 static bool has_pvpanic
;
51 static bool has_pci_info
= true;
53 /* PC hardware initialisation */
54 static void pc_q35_init(QEMUMachineInitArgs
*args
)
56 ram_addr_t ram_size
= args
->ram_size
;
57 const char *cpu_model
= args
->cpu_model
;
58 const char *kernel_filename
= args
->kernel_filename
;
59 const char *kernel_cmdline
= args
->kernel_cmdline
;
60 const char *initrd_filename
= args
->initrd_filename
;
61 const char *boot_device
= args
->boot_device
;
62 ram_addr_t below_4g_mem_size
, above_4g_mem_size
;
67 BusState
*idebus
[MAX_SATA_PORTS
];
70 MemoryRegion
*pci_memory
;
71 MemoryRegion
*rom_memory
;
72 MemoryRegion
*ram_memory
;
80 ICH9LPCState
*ich9_lpc
;
82 DeviceState
*icc_bridge
;
83 PcGuestInfo
*guest_info
;
85 icc_bridge
= qdev_create(NULL
, TYPE_ICC_BRIDGE
);
86 object_property_add_child(qdev_get_machine(), "icc-bridge",
87 OBJECT(icc_bridge
), NULL
);
89 pc_cpus_init(cpu_model
, icc_bridge
);
90 pc_acpi_init("q35-acpi-dsdt.aml");
94 if (ram_size
>= 0xb0000000) {
95 above_4g_mem_size
= ram_size
- 0xb0000000;
96 below_4g_mem_size
= 0xb0000000;
98 above_4g_mem_size
= 0;
99 below_4g_mem_size
= ram_size
;
104 pci_memory
= g_new(MemoryRegion
, 1);
105 memory_region_init(pci_memory
, NULL
, "pci", INT64_MAX
);
106 rom_memory
= pci_memory
;
109 rom_memory
= get_system_memory();
112 guest_info
= pc_guest_info_init(below_4g_mem_size
, above_4g_mem_size
);
113 guest_info
->has_pci_info
= has_pci_info
;
114 guest_info
->isapc_ram_fw
= false;
116 /* allocate ram and load rom/bios */
117 if (!xen_enabled()) {
118 pc_memory_init(get_system_memory(), kernel_filename
, kernel_cmdline
,
119 initrd_filename
, below_4g_mem_size
, above_4g_mem_size
,
120 rom_memory
, &ram_memory
, guest_info
);
124 gsi_state
= g_malloc0(sizeof(*gsi_state
));
125 if (kvm_irqchip_in_kernel()) {
126 kvm_pc_setup_irq_routing(pci_enabled
);
127 gsi
= qemu_allocate_irqs(kvm_pc_gsi_handler
, gsi_state
,
130 gsi
= qemu_allocate_irqs(gsi_handler
, gsi_state
, GSI_NUM_PINS
);
133 /* create pci host bus */
134 q35_host
= Q35_HOST_DEVICE(qdev_create(NULL
, TYPE_Q35_HOST_DEVICE
));
136 object_property_add_child(qdev_get_machine(), "q35", OBJECT(q35_host
), NULL
);
137 q35_host
->mch
.ram_memory
= ram_memory
;
138 q35_host
->mch
.pci_address_space
= pci_memory
;
139 q35_host
->mch
.system_memory
= get_system_memory();
140 q35_host
->mch
.address_space_io
= get_system_io();
141 q35_host
->mch
.below_4g_mem_size
= below_4g_mem_size
;
142 q35_host
->mch
.above_4g_mem_size
= above_4g_mem_size
;
143 q35_host
->mch
.guest_info
= guest_info
;
145 qdev_init_nofail(DEVICE(q35_host
));
146 phb
= PCI_HOST_BRIDGE(q35_host
);
149 lpc
= pci_create_simple_multifunction(host_bus
, PCI_DEVFN(ICH9_LPC_DEV
,
150 ICH9_LPC_FUNC
), true,
151 TYPE_ICH9_LPC_DEVICE
);
152 ich9_lpc
= ICH9_LPC_DEVICE(lpc
);
154 ich9_lpc
->ioapic
= gsi_state
->ioapic_irq
;
155 pci_bus_irqs(host_bus
, ich9_lpc_set_irq
, ich9_lpc_map_irq
, ich9_lpc
,
157 pci_bus_set_route_irq_fn(host_bus
, ich9_route_intx_pin_to_irq
);
158 isa_bus
= ich9_lpc
->isa_bus
;
161 isa_bus_irqs(isa_bus
, gsi
);
163 if (kvm_irqchip_in_kernel()) {
164 i8259
= kvm_i8259_init(isa_bus
);
165 } else if (xen_enabled()) {
166 i8259
= xen_interrupt_controller_init();
168 cpu_irq
= pc_allocate_cpu_irq();
169 i8259
= i8259_init(isa_bus
, cpu_irq
[0]);
172 for (i
= 0; i
< ISA_NUM_IRQS
; i
++) {
173 gsi_state
->i8259_irq
[i
] = i8259
[i
];
176 ioapic_init_gsi(gsi_state
, NULL
);
178 qdev_init_nofail(icc_bridge
);
180 pc_register_ferr_irq(gsi
[13]);
182 /* init basic PC hardware */
183 pc_basic_device_init(isa_bus
, gsi
, &rtc_state
, &floppy
, false);
185 /* connect pm stuff to lpc */
186 ich9_lpc_pm_init(lpc
);
188 /* ahci and SATA device, for q35 1 ahci controller is built-in */
189 ahci
= pci_create_simple_multifunction(host_bus
,
190 PCI_DEVFN(ICH9_SATA1_DEV
,
193 idebus
[0] = qdev_get_child_bus(&ahci
->qdev
, "ide.0");
194 idebus
[1] = qdev_get_child_bus(&ahci
->qdev
, "ide.1");
196 if (usb_enabled(false)) {
197 /* Should we create 6 UHCI according to ich9 spec? */
198 ehci_create_ich9_with_companions(host_bus
, 0x1d);
201 /* TODO: Populate SPD eeprom data. */
202 smbus_eeprom_init(ich9_smb_init(host_bus
,
203 PCI_DEVFN(ICH9_SMB_DEV
, ICH9_SMB_FUNC
),
207 pc_cmos_init(below_4g_mem_size
, above_4g_mem_size
, boot_device
,
208 floppy
, idebus
[0], idebus
[1], rtc_state
);
210 /* the rest devices to which pci devfn is automatically assigned */
211 pc_vga_init(isa_bus
, host_bus
);
212 pc_nic_init(isa_bus
, host_bus
);
214 pc_pci_device_init(host_bus
);
218 pvpanic_init(isa_bus
);
222 static void pc_q35_init_1_6(QEMUMachineInitArgs
*args
)
224 has_pci_info
= false;
225 rom_file_in_ram
= false;
229 static void pc_q35_init_1_5(QEMUMachineInitArgs
*args
)
232 pc_q35_init_1_6(args
);
235 static void pc_q35_init_1_4(QEMUMachineInitArgs
*args
)
237 x86_cpu_compat_set_features("n270", FEAT_1_ECX
, 0, CPUID_EXT_MOVBE
);
238 x86_cpu_compat_set_features("Westmere", FEAT_1_ECX
, 0, CPUID_EXT_PCLMULQDQ
);
239 /* 1.5 was special - it enabled pvpanic in builtin machine */
240 pc_q35_init_1_6(args
);
243 static QEMUMachine pc_q35_machine_v1_6
= {
244 .name
= "pc-q35-1.6",
246 .desc
= "Standard PC (Q35 + ICH9, 2009)",
247 .init
= pc_q35_init_1_6
,
248 .hot_add_cpu
= pc_hot_add_cpu
,
250 DEFAULT_MACHINE_OPTIONS
,
253 static QEMUMachine pc_q35_machine_v1_5
= {
254 .name
= "pc-q35-1.5",
255 .desc
= "Standard PC (Q35 + ICH9, 2009)",
256 .init
= pc_q35_init_1_5
,
257 .hot_add_cpu
= pc_hot_add_cpu
,
259 .compat_props
= (GlobalProperty
[]) {
261 { /* end of list */ }
263 DEFAULT_MACHINE_OPTIONS
,
266 static QEMUMachine pc_q35_machine_v1_4
= {
267 .name
= "pc-q35-1.4",
268 .desc
= "Standard PC (Q35 + ICH9, 2009)",
269 .init
= pc_q35_init_1_4
,
271 .compat_props
= (GlobalProperty
[]) {
273 { /* end of list */ }
275 DEFAULT_MACHINE_OPTIONS
,
278 static void pc_q35_machine_init(void)
280 qemu_register_machine(&pc_q35_machine_v1_6
);
281 qemu_register_machine(&pc_q35_machine_v1_5
);
282 qemu_register_machine(&pc_q35_machine_v1_4
);
285 machine_init(pc_q35_machine_init
);