2 * QEMU PC System Emulator
4 * Copyright (c) 2003-2004 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
38 #include "arch_init.h"
42 qemu_irq
*ioapic_irq_hack
;
46 static const int ide_iobase
[MAX_IDE_BUS
] = { 0x1f0, 0x170 };
47 static const int ide_iobase2
[MAX_IDE_BUS
] = { 0x3f6, 0x376 };
48 static const int ide_irq
[MAX_IDE_BUS
] = { 14, 15 };
50 const char *global_cpu_model
; /* cpu hotadd */
52 static void ioapic_init(IsaIrqState
*isa_irq_state
)
58 dev
= qdev_create(NULL
, "ioapic");
59 qdev_init_nofail(dev
);
60 d
= sysbus_from_qdev(dev
);
61 sysbus_mmio_map(d
, 0, 0xfec00000);
63 for (i
= 0; i
< IOAPIC_NUM_PINS
; i
++) {
64 isa_irq_state
->ioapic
[i
] = qdev_get_gpio_in(dev
, i
);
68 /* PC hardware initialisation */
69 static void pc_init1(ram_addr_t ram_size
,
70 const char *boot_device
,
71 const char *kernel_filename
,
72 const char *kernel_cmdline
,
73 const char *initrd_filename
,
74 const char *cpu_model
,
79 ram_addr_t below_4g_mem_size
, above_4g_mem_size
;
81 PCII440FXState
*i440fx_state
;
88 IsaIrqState
*isa_irq_state
;
89 DriveInfo
*hd
[MAX_IDE_BUS
* MAX_IDE_DEVS
];
90 BusState
*idebus
[MAX_IDE_BUS
];
93 global_cpu_model
= cpu_model
;
95 pc_cpus_init(cpu_model
);
97 if (kvmclock_enabled
) {
101 /* allocate ram and load rom/bios */
102 pc_memory_init(ram_size
, kernel_filename
, kernel_cmdline
, initrd_filename
,
103 &below_4g_mem_size
, &above_4g_mem_size
);
105 cpu_irq
= pc_allocate_cpu_irq();
106 #ifdef KVM_CAP_IRQCHIP
107 if (kvm_enabled() && kvm_irqchip_in_kernel()) {
108 isa_irq_state
= qemu_mallocz(sizeof(*isa_irq_state
));
110 ioapic_init(isa_irq_state
);
112 isa_irq
= i8259
= kvm_i8259_init(cpu_irq
[0]);
113 ioapic_irq_hack
= isa_irq
;
117 i8259
= i8259_init(cpu_irq
[0]);
118 isa_irq_state
= qemu_mallocz(sizeof(*isa_irq_state
));
119 isa_irq_state
->i8259
= i8259
;
121 ioapic_init(isa_irq_state
);
123 isa_irq
= qemu_allocate_irqs(isa_irq_handler
, isa_irq_state
, 24);
127 pci_bus
= i440fx_init(&i440fx_state
, &piix3_devfn
, isa_irq
, ram_size
);
133 isa_bus_irqs(isa_irq
);
135 pc_register_ferr_irq(isa_get_irq(13));
137 pc_vga_init(pci_enabled
? pci_bus
: NULL
);
139 /* init basic PC hardware */
140 pc_basic_device_init(isa_irq
, &rtc_state
);
142 for(i
= 0; i
< nb_nics
; i
++) {
143 NICInfo
*nd
= &nd_table
[i
];
145 if (!pci_enabled
|| (nd
->model
&& strcmp(nd
->model
, "ne2k_isa") == 0))
146 pc_init_ne2k_isa(nd
);
148 pci_nic_init_nofail(nd
, "rtl8139", NULL
);
151 ide_drive_get(hd
, MAX_IDE_BUS
);
154 dev
= pci_piix3_ide_init(pci_bus
, hd
, piix3_devfn
+ 1);
155 idebus
[0] = qdev_get_child_bus(&dev
->qdev
, "ide.0");
156 idebus
[1] = qdev_get_child_bus(&dev
->qdev
, "ide.1");
158 for(i
= 0; i
< MAX_IDE_BUS
; i
++) {
160 dev
= isa_ide_init(ide_iobase
[i
], ide_iobase2
[i
], ide_irq
[i
],
161 hd
[MAX_IDE_DEVS
* i
], hd
[MAX_IDE_DEVS
* i
+ 1]);
162 idebus
[i
] = qdev_get_child_bus(&dev
->qdev
, "ide.0");
166 audio_init(isa_irq
, pci_enabled
? pci_bus
: NULL
);
168 pc_cmos_init(below_4g_mem_size
, above_4g_mem_size
, boot_device
,
169 idebus
[0], idebus
[1], rtc_state
);
171 if (pci_enabled
&& usb_enabled
) {
172 usb_uhci_piix3_init(pci_bus
, piix3_devfn
+ 2);
175 if (pci_enabled
&& acpi_enabled
) {
178 cmos_s3
= qemu_allocate_irqs(pc_cmos_set_s3_resume
, rtc_state
, 1);
179 smi_irq
= qemu_allocate_irqs(pc_acpi_smi_interrupt
, first_cpu
, 1);
180 /* TODO: Populate SPD eeprom data. */
181 smbus
= piix4_pm_init(pci_bus
, piix3_devfn
+ 3, 0xb100,
182 isa_get_irq(9), *cmos_s3
, *smi_irq
,
184 smbus_eeprom_init(smbus
, 8, NULL
, 0);
188 i440fx_init_memory_mappings(i440fx_state
);
192 pc_pci_device_init(pci_bus
);
196 static void pc_init_pci(ram_addr_t ram_size
,
197 const char *boot_device
,
198 const char *kernel_filename
,
199 const char *kernel_cmdline
,
200 const char *initrd_filename
,
201 const char *cpu_model
)
203 pc_init1(ram_size
, boot_device
,
204 kernel_filename
, kernel_cmdline
,
205 initrd_filename
, cpu_model
, 1, 1);
208 static void pc_init_pci_no_kvmclock(ram_addr_t ram_size
,
209 const char *boot_device
,
210 const char *kernel_filename
,
211 const char *kernel_cmdline
,
212 const char *initrd_filename
,
213 const char *cpu_model
)
215 pc_init1(ram_size
, boot_device
,
216 kernel_filename
, kernel_cmdline
,
217 initrd_filename
, cpu_model
, 1, 0);
220 static void pc_init_isa(ram_addr_t ram_size
,
221 const char *boot_device
,
222 const char *kernel_filename
,
223 const char *kernel_cmdline
,
224 const char *initrd_filename
,
225 const char *cpu_model
)
227 if (cpu_model
== NULL
)
229 pc_init1(ram_size
, boot_device
,
230 kernel_filename
, kernel_cmdline
,
231 initrd_filename
, cpu_model
, 0, 1);
234 static QEMUMachine pc_machine
= {
237 .desc
= "Standard PC",
243 static QEMUMachine pc_machine_v0_13
= {
245 .desc
= "Standard PC",
246 .init
= pc_init_pci_no_kvmclock
,
248 .compat_props
= (GlobalProperty
[]) {
250 .driver
= "virtio-9p-pci",
251 .property
= "vectors",
252 .value
= stringify(0),
255 .property
= "rombar",
256 .value
= stringify(0),
258 .driver
= "vmware-svga",
259 .property
= "rombar",
260 .value
= stringify(0),
263 .property
= "command_serr_enable",
266 { /* end of list */ }
270 static QEMUMachine pc_machine_v0_12
= {
272 .desc
= "Standard PC",
273 .init
= pc_init_pci_no_kvmclock
,
275 .compat_props
= (GlobalProperty
[]) {
277 .driver
= "virtio-serial-pci",
278 .property
= "max_ports",
279 .value
= stringify(1),
281 .driver
= "virtio-serial-pci",
282 .property
= "vectors",
283 .value
= stringify(0),
286 .property
= "rombar",
287 .value
= stringify(0),
289 .driver
= "vmware-svga",
290 .property
= "rombar",
291 .value
= stringify(0),
294 .property
= "command_serr_enable",
297 { /* end of list */ }
301 static QEMUMachine pc_machine_v0_11
= {
303 .desc
= "Standard PC, qemu 0.11",
304 .init
= pc_init_pci_no_kvmclock
,
306 .compat_props
= (GlobalProperty
[]) {
308 .driver
= "virtio-blk-pci",
309 .property
= "vectors",
310 .value
= stringify(0),
312 .driver
= "virtio-serial-pci",
313 .property
= "max_ports",
314 .value
= stringify(1),
316 .driver
= "virtio-serial-pci",
317 .property
= "vectors",
318 .value
= stringify(0),
320 .driver
= "ide-drive",
324 .driver
= "scsi-disk",
329 .property
= "rombar",
330 .value
= stringify(0),
333 .property
= "command_serr_enable",
336 { /* end of list */ }
340 static QEMUMachine pc_machine_v0_10
= {
342 .desc
= "Standard PC, qemu 0.10",
343 .init
= pc_init_pci_no_kvmclock
,
345 .compat_props
= (GlobalProperty
[]) {
347 .driver
= "virtio-blk-pci",
349 .value
= stringify(PCI_CLASS_STORAGE_OTHER
),
351 .driver
= "virtio-serial-pci",
353 .value
= stringify(PCI_CLASS_DISPLAY_OTHER
),
355 .driver
= "virtio-serial-pci",
356 .property
= "max_ports",
357 .value
= stringify(1),
359 .driver
= "virtio-serial-pci",
360 .property
= "vectors",
361 .value
= stringify(0),
363 .driver
= "virtio-net-pci",
364 .property
= "vectors",
365 .value
= stringify(0),
367 .driver
= "virtio-blk-pci",
368 .property
= "vectors",
369 .value
= stringify(0),
371 .driver
= "ide-drive",
375 .driver
= "scsi-disk",
380 .property
= "rombar",
381 .value
= stringify(0),
384 .property
= "command_serr_enable",
387 { /* end of list */ }
391 static QEMUMachine isapc_machine
= {
393 .desc
= "ISA-only PC",
398 static void pc_machine_init(void)
400 qemu_register_machine(&pc_machine
);
401 qemu_register_machine(&pc_machine_v0_13
);
402 qemu_register_machine(&pc_machine_v0_12
);
403 qemu_register_machine(&pc_machine_v0_11
);
404 qemu_register_machine(&pc_machine_v0_10
);
405 qemu_register_machine(&isapc_machine
);
408 machine_init(pc_machine_init
);