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"
44 static const int ide_iobase
[MAX_IDE_BUS
] = { 0x1f0, 0x170 };
45 static const int ide_iobase2
[MAX_IDE_BUS
] = { 0x3f6, 0x376 };
46 static const int ide_irq
[MAX_IDE_BUS
] = { 14, 15 };
48 static void ioapic_init(IsaIrqState
*isa_irq_state
)
54 dev
= qdev_create(NULL
, "ioapic");
55 qdev_init_nofail(dev
);
56 d
= sysbus_from_qdev(dev
);
57 sysbus_mmio_map(d
, 0, 0xfec00000);
59 for (i
= 0; i
< IOAPIC_NUM_PINS
; i
++) {
60 isa_irq_state
->ioapic
[i
] = qdev_get_gpio_in(dev
, i
);
64 /* PC hardware initialisation */
65 static void pc_init1(ram_addr_t ram_size
,
66 const char *boot_device
,
67 const char *kernel_filename
,
68 const char *kernel_cmdline
,
69 const char *initrd_filename
,
70 const char *cpu_model
,
75 ram_addr_t below_4g_mem_size
, above_4g_mem_size
;
77 PCII440FXState
*i440fx_state
;
84 IsaIrqState
*isa_irq_state
;
85 DriveInfo
*hd
[MAX_IDE_BUS
* MAX_IDE_DEVS
];
86 BusState
*idebus
[MAX_IDE_BUS
];
89 pc_cpus_init(cpu_model
);
91 if (kvmclock_enabled
) {
95 /* allocate ram and load rom/bios */
96 pc_memory_init(ram_size
, kernel_filename
, kernel_cmdline
, initrd_filename
,
97 &below_4g_mem_size
, &above_4g_mem_size
);
99 cpu_irq
= pc_allocate_cpu_irq();
100 i8259
= i8259_init(cpu_irq
[0]);
101 isa_irq_state
= qemu_mallocz(sizeof(*isa_irq_state
));
102 isa_irq_state
->i8259
= i8259
;
104 ioapic_init(isa_irq_state
);
106 isa_irq
= qemu_allocate_irqs(isa_irq_handler
, isa_irq_state
, 24);
109 pci_bus
= i440fx_init(&i440fx_state
, &piix3_devfn
, isa_irq
, ram_size
);
115 isa_bus_irqs(isa_irq
);
117 pc_register_ferr_irq(isa_get_irq(13));
119 pc_vga_init(pci_enabled
? pci_bus
: NULL
);
121 /* init basic PC hardware */
122 pc_basic_device_init(isa_irq
, &rtc_state
);
124 for(i
= 0; i
< nb_nics
; i
++) {
125 NICInfo
*nd
= &nd_table
[i
];
127 if (!pci_enabled
|| (nd
->model
&& strcmp(nd
->model
, "ne2k_isa") == 0))
128 pc_init_ne2k_isa(nd
);
130 pci_nic_init_nofail(nd
, "e1000", NULL
);
133 ide_drive_get(hd
, MAX_IDE_BUS
);
136 dev
= pci_piix3_ide_init(pci_bus
, hd
, piix3_devfn
+ 1);
137 idebus
[0] = qdev_get_child_bus(&dev
->qdev
, "ide.0");
138 idebus
[1] = qdev_get_child_bus(&dev
->qdev
, "ide.1");
140 for(i
= 0; i
< MAX_IDE_BUS
; i
++) {
142 dev
= isa_ide_init(ide_iobase
[i
], ide_iobase2
[i
], ide_irq
[i
],
143 hd
[MAX_IDE_DEVS
* i
], hd
[MAX_IDE_DEVS
* i
+ 1]);
144 idebus
[i
] = qdev_get_child_bus(&dev
->qdev
, "ide.0");
148 audio_init(isa_irq
, pci_enabled
? pci_bus
: NULL
);
150 pc_cmos_init(below_4g_mem_size
, above_4g_mem_size
, boot_device
,
151 idebus
[0], idebus
[1], rtc_state
);
153 if (pci_enabled
&& usb_enabled
) {
154 usb_uhci_piix3_init(pci_bus
, piix3_devfn
+ 2);
157 if (pci_enabled
&& acpi_enabled
) {
160 cmos_s3
= qemu_allocate_irqs(pc_cmos_set_s3_resume
, rtc_state
, 1);
161 smi_irq
= qemu_allocate_irqs(pc_acpi_smi_interrupt
, first_cpu
, 1);
162 /* TODO: Populate SPD eeprom data. */
163 smbus
= piix4_pm_init(pci_bus
, piix3_devfn
+ 3, 0xb100,
164 isa_get_irq(9), *cmos_s3
, *smi_irq
,
166 smbus_eeprom_init(smbus
, 8, NULL
, 0);
170 i440fx_init_memory_mappings(i440fx_state
);
174 pc_pci_device_init(pci_bus
);
178 static void pc_init_pci(ram_addr_t ram_size
,
179 const char *boot_device
,
180 const char *kernel_filename
,
181 const char *kernel_cmdline
,
182 const char *initrd_filename
,
183 const char *cpu_model
)
185 pc_init1(ram_size
, boot_device
,
186 kernel_filename
, kernel_cmdline
,
187 initrd_filename
, cpu_model
, 1, 1);
190 static void pc_init_pci_no_kvmclock(ram_addr_t ram_size
,
191 const char *boot_device
,
192 const char *kernel_filename
,
193 const char *kernel_cmdline
,
194 const char *initrd_filename
,
195 const char *cpu_model
)
197 pc_init1(ram_size
, boot_device
,
198 kernel_filename
, kernel_cmdline
,
199 initrd_filename
, cpu_model
, 1, 0);
202 static void pc_init_isa(ram_addr_t ram_size
,
203 const char *boot_device
,
204 const char *kernel_filename
,
205 const char *kernel_cmdline
,
206 const char *initrd_filename
,
207 const char *cpu_model
)
209 if (cpu_model
== NULL
)
211 pc_init1(ram_size
, boot_device
,
212 kernel_filename
, kernel_cmdline
,
213 initrd_filename
, cpu_model
, 0, 1);
216 static QEMUMachine pc_machine
= {
219 .desc
= "Standard PC",
225 static QEMUMachine pc_machine_v0_13
= {
227 .desc
= "Standard PC",
228 .init
= pc_init_pci_no_kvmclock
,
230 .compat_props
= (GlobalProperty
[]) {
232 .driver
= "virtio-9p-pci",
233 .property
= "vectors",
234 .value
= stringify(0),
237 .property
= "rombar",
238 .value
= stringify(0),
240 .driver
= "vmware-svga",
241 .property
= "rombar",
242 .value
= stringify(0),
245 .property
= "command_serr_enable",
248 .driver
= "virtio-blk-pci",
249 .property
= "event_idx",
252 .driver
= "virtio-serial-pci",
253 .property
= "event_idx",
256 .driver
= "virtio-net-pci",
257 .property
= "event_idx",
260 { /* end of list */ }
264 static QEMUMachine pc_machine_v0_12
= {
266 .desc
= "Standard PC",
267 .init
= pc_init_pci_no_kvmclock
,
269 .compat_props
= (GlobalProperty
[]) {
271 .driver
= "virtio-serial-pci",
272 .property
= "max_ports",
273 .value
= stringify(1),
275 .driver
= "virtio-serial-pci",
276 .property
= "vectors",
277 .value
= stringify(0),
280 .property
= "rombar",
281 .value
= stringify(0),
283 .driver
= "vmware-svga",
284 .property
= "rombar",
285 .value
= stringify(0),
288 .property
= "command_serr_enable",
291 .driver
= "virtio-blk-pci",
292 .property
= "event_idx",
295 .driver
= "virtio-serial-pci",
296 .property
= "event_idx",
299 .driver
= "virtio-net-pci",
300 .property
= "event_idx",
303 { /* end of list */ }
307 static QEMUMachine pc_machine_v0_11
= {
309 .desc
= "Standard PC, qemu 0.11",
310 .init
= pc_init_pci_no_kvmclock
,
312 .compat_props
= (GlobalProperty
[]) {
314 .driver
= "virtio-blk-pci",
315 .property
= "vectors",
316 .value
= stringify(0),
318 .driver
= "virtio-serial-pci",
319 .property
= "max_ports",
320 .value
= stringify(1),
322 .driver
= "virtio-serial-pci",
323 .property
= "vectors",
324 .value
= stringify(0),
326 .driver
= "ide-drive",
330 .driver
= "scsi-disk",
335 .property
= "rombar",
336 .value
= stringify(0),
339 .property
= "command_serr_enable",
342 .driver
= "virtio-blk-pci",
343 .property
= "event_idx",
346 .driver
= "virtio-serial-pci",
347 .property
= "event_idx",
350 .driver
= "virtio-net-pci",
351 .property
= "event_idx",
354 { /* end of list */ }
358 static QEMUMachine pc_machine_v0_10
= {
360 .desc
= "Standard PC, qemu 0.10",
361 .init
= pc_init_pci_no_kvmclock
,
363 .compat_props
= (GlobalProperty
[]) {
365 .driver
= "virtio-blk-pci",
367 .value
= stringify(PCI_CLASS_STORAGE_OTHER
),
369 .driver
= "virtio-serial-pci",
371 .value
= stringify(PCI_CLASS_DISPLAY_OTHER
),
373 .driver
= "virtio-serial-pci",
374 .property
= "max_ports",
375 .value
= stringify(1),
377 .driver
= "virtio-serial-pci",
378 .property
= "vectors",
379 .value
= stringify(0),
381 .driver
= "virtio-net-pci",
382 .property
= "vectors",
383 .value
= stringify(0),
385 .driver
= "virtio-blk-pci",
386 .property
= "vectors",
387 .value
= stringify(0),
389 .driver
= "ide-drive",
393 .driver
= "scsi-disk",
398 .property
= "rombar",
399 .value
= stringify(0),
402 .property
= "command_serr_enable",
405 .driver
= "virtio-blk-pci",
406 .property
= "event_idx",
409 .driver
= "virtio-serial-pci",
410 .property
= "event_idx",
413 .driver
= "virtio-net-pci",
414 .property
= "event_idx",
417 { /* end of list */ }
421 static QEMUMachine isapc_machine
= {
423 .desc
= "ISA-only PC",
428 static void pc_machine_init(void)
430 qemu_register_machine(&pc_machine
);
431 qemu_register_machine(&pc_machine_v0_13
);
432 qemu_register_machine(&pc_machine_v0_12
);
433 qemu_register_machine(&pc_machine_v0_11
);
434 qemu_register_machine(&pc_machine_v0_10
);
435 qemu_register_machine(&isapc_machine
);
438 machine_init(pc_machine_init
);