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"
43 static const int ide_iobase
[MAX_IDE_BUS
] = { 0x1f0, 0x170 };
44 static const int ide_iobase2
[MAX_IDE_BUS
] = { 0x3f6, 0x376 };
45 static const int ide_irq
[MAX_IDE_BUS
] = { 14, 15 };
47 static void ioapic_init(IsaIrqState
*isa_irq_state
)
53 dev
= qdev_create(NULL
, "ioapic");
54 qdev_init_nofail(dev
);
55 d
= sysbus_from_qdev(dev
);
56 sysbus_mmio_map(d
, 0, 0xfec00000);
58 for (i
= 0; i
< IOAPIC_NUM_PINS
; i
++) {
59 isa_irq_state
->ioapic
[i
] = qdev_get_gpio_in(dev
, i
);
63 /* PC hardware initialisation */
64 static void pc_init1(ram_addr_t ram_size
,
65 const char *boot_device
,
66 const char *kernel_filename
,
67 const char *kernel_cmdline
,
68 const char *initrd_filename
,
69 const char *cpu_model
,
74 ram_addr_t below_4g_mem_size
, above_4g_mem_size
;
76 PCII440FXState
*i440fx_state
;
83 IsaIrqState
*isa_irq_state
;
84 DriveInfo
*hd
[MAX_IDE_BUS
* MAX_IDE_DEVS
];
85 BusState
*idebus
[MAX_IDE_BUS
];
88 pc_cpus_init(cpu_model
);
90 if (kvmclock_enabled
) {
94 /* allocate ram and load rom/bios */
95 pc_memory_init(ram_size
, kernel_filename
, kernel_cmdline
, initrd_filename
,
96 &below_4g_mem_size
, &above_4g_mem_size
);
98 cpu_irq
= pc_allocate_cpu_irq();
99 i8259
= i8259_init(cpu_irq
[0]);
100 isa_irq_state
= qemu_mallocz(sizeof(*isa_irq_state
));
101 isa_irq_state
->i8259
= i8259
;
103 ioapic_init(isa_irq_state
);
105 isa_irq
= qemu_allocate_irqs(isa_irq_handler
, isa_irq_state
, 24);
108 pci_bus
= i440fx_init(&i440fx_state
, &piix3_devfn
, isa_irq
, ram_size
);
114 isa_bus_irqs(isa_irq
);
116 pc_register_ferr_irq(isa_get_irq(13));
118 pc_vga_init(pci_enabled
? pci_bus
: NULL
);
120 /* init basic PC hardware */
121 pc_basic_device_init(isa_irq
, &rtc_state
);
123 for(i
= 0; i
< nb_nics
; i
++) {
124 NICInfo
*nd
= &nd_table
[i
];
126 if (!pci_enabled
|| (nd
->model
&& strcmp(nd
->model
, "ne2k_isa") == 0))
127 pc_init_ne2k_isa(nd
);
129 pci_nic_init_nofail(nd
, "e1000", NULL
);
132 if (drive_get_max_bus(IF_IDE
) >= MAX_IDE_BUS
) {
133 fprintf(stderr
, "qemu: too many IDE bus\n");
137 for(i
= 0; i
< MAX_IDE_BUS
* MAX_IDE_DEVS
; i
++) {
138 hd
[i
] = drive_get(IF_IDE
, i
/ MAX_IDE_DEVS
, i
% MAX_IDE_DEVS
);
143 dev
= pci_piix3_ide_init(pci_bus
, hd
, piix3_devfn
+ 1);
144 idebus
[0] = qdev_get_child_bus(&dev
->qdev
, "ide.0");
145 idebus
[1] = qdev_get_child_bus(&dev
->qdev
, "ide.1");
147 for(i
= 0; i
< MAX_IDE_BUS
; i
++) {
149 dev
= isa_ide_init(ide_iobase
[i
], ide_iobase2
[i
], ide_irq
[i
],
150 hd
[MAX_IDE_DEVS
* i
], hd
[MAX_IDE_DEVS
* i
+ 1]);
151 idebus
[i
] = qdev_get_child_bus(&dev
->qdev
, "ide.0");
155 audio_init(isa_irq
, pci_enabled
? pci_bus
: NULL
);
157 pc_cmos_init(below_4g_mem_size
, above_4g_mem_size
, boot_device
,
158 idebus
[0], idebus
[1], rtc_state
);
160 if (pci_enabled
&& usb_enabled
) {
161 usb_uhci_piix3_init(pci_bus
, piix3_devfn
+ 2);
164 if (pci_enabled
&& acpi_enabled
) {
165 uint8_t *eeprom_buf
= qemu_mallocz(8 * 256); /* XXX: make this persistent */
168 cmos_s3
= qemu_allocate_irqs(pc_cmos_set_s3_resume
, rtc_state
, 1);
169 smi_irq
= qemu_allocate_irqs(pc_acpi_smi_interrupt
, first_cpu
, 1);
170 /* TODO: Populate SPD eeprom data. */
171 smbus
= piix4_pm_init(pci_bus
, piix3_devfn
+ 3, 0xb100,
172 isa_get_irq(9), *cmos_s3
, *smi_irq
,
174 for (i
= 0; i
< 8; i
++) {
176 eeprom
= qdev_create((BusState
*)smbus
, "smbus-eeprom");
177 qdev_prop_set_uint8(eeprom
, "address", 0x50 + i
);
178 qdev_prop_set_ptr(eeprom
, "data", eeprom_buf
+ (i
* 256));
179 qdev_init_nofail(eeprom
);
184 i440fx_init_memory_mappings(i440fx_state
);
188 pc_pci_device_init(pci_bus
);
192 static void pc_init_pci(ram_addr_t ram_size
,
193 const char *boot_device
,
194 const char *kernel_filename
,
195 const char *kernel_cmdline
,
196 const char *initrd_filename
,
197 const char *cpu_model
)
199 pc_init1(ram_size
, boot_device
,
200 kernel_filename
, kernel_cmdline
,
201 initrd_filename
, cpu_model
, 1, 1);
204 static void pc_init_pci_no_kvmclock(ram_addr_t ram_size
,
205 const char *boot_device
,
206 const char *kernel_filename
,
207 const char *kernel_cmdline
,
208 const char *initrd_filename
,
209 const char *cpu_model
)
211 pc_init1(ram_size
, boot_device
,
212 kernel_filename
, kernel_cmdline
,
213 initrd_filename
, cpu_model
, 1, 0);
216 static void pc_init_isa(ram_addr_t ram_size
,
217 const char *boot_device
,
218 const char *kernel_filename
,
219 const char *kernel_cmdline
,
220 const char *initrd_filename
,
221 const char *cpu_model
)
223 if (cpu_model
== NULL
)
225 pc_init1(ram_size
, boot_device
,
226 kernel_filename
, kernel_cmdline
,
227 initrd_filename
, cpu_model
, 0, 1);
230 static QEMUMachine pc_machine
= {
233 .desc
= "Standard PC",
239 static QEMUMachine pc_machine_v0_13
= {
241 .desc
= "Standard PC",
242 .init
= pc_init_pci_no_kvmclock
,
244 .compat_props
= (GlobalProperty
[]) {
246 .driver
= "virtio-9p-pci",
247 .property
= "vectors",
248 .value
= stringify(0),
251 .property
= "rombar",
252 .value
= stringify(0),
254 .driver
= "vmware-svga",
255 .property
= "rombar",
256 .value
= stringify(0),
259 .property
= "command_serr_enable",
262 { /* end of list */ }
266 static QEMUMachine pc_machine_v0_12
= {
268 .desc
= "Standard PC",
269 .init
= pc_init_pci_no_kvmclock
,
271 .compat_props
= (GlobalProperty
[]) {
273 .driver
= "virtio-serial-pci",
274 .property
= "max_ports",
275 .value
= stringify(1),
277 .driver
= "virtio-serial-pci",
278 .property
= "vectors",
279 .value
= stringify(0),
282 .property
= "rombar",
283 .value
= stringify(0),
285 .driver
= "vmware-svga",
286 .property
= "rombar",
287 .value
= stringify(0),
290 .property
= "command_serr_enable",
293 { /* end of list */ }
297 static QEMUMachine pc_machine_v0_11
= {
299 .desc
= "Standard PC, qemu 0.11",
300 .init
= pc_init_pci_no_kvmclock
,
302 .compat_props
= (GlobalProperty
[]) {
304 .driver
= "virtio-blk-pci",
305 .property
= "vectors",
306 .value
= stringify(0),
308 .driver
= "virtio-serial-pci",
309 .property
= "max_ports",
310 .value
= stringify(1),
312 .driver
= "virtio-serial-pci",
313 .property
= "vectors",
314 .value
= stringify(0),
316 .driver
= "ide-drive",
320 .driver
= "scsi-disk",
325 .property
= "rombar",
326 .value
= stringify(0),
329 .property
= "command_serr_enable",
332 { /* end of list */ }
336 static QEMUMachine pc_machine_v0_10
= {
338 .desc
= "Standard PC, qemu 0.10",
339 .init
= pc_init_pci_no_kvmclock
,
341 .compat_props
= (GlobalProperty
[]) {
343 .driver
= "virtio-blk-pci",
345 .value
= stringify(PCI_CLASS_STORAGE_OTHER
),
347 .driver
= "virtio-serial-pci",
349 .value
= stringify(PCI_CLASS_DISPLAY_OTHER
),
351 .driver
= "virtio-serial-pci",
352 .property
= "max_ports",
353 .value
= stringify(1),
355 .driver
= "virtio-serial-pci",
356 .property
= "vectors",
357 .value
= stringify(0),
359 .driver
= "virtio-net-pci",
360 .property
= "vectors",
361 .value
= stringify(0),
363 .driver
= "virtio-blk-pci",
364 .property
= "vectors",
365 .value
= stringify(0),
367 .driver
= "ide-drive",
371 .driver
= "scsi-disk",
376 .property
= "rombar",
377 .value
= stringify(0),
380 .property
= "command_serr_enable",
383 { /* end of list */ }
387 static QEMUMachine isapc_machine
= {
389 .desc
= "ISA-only PC",
394 static void pc_machine_init(void)
396 qemu_register_machine(&pc_machine
);
397 qemu_register_machine(&pc_machine_v0_13
);
398 qemu_register_machine(&pc_machine_v0_12
);
399 qemu_register_machine(&pc_machine_v0_11
);
400 qemu_register_machine(&pc_machine_v0_10
);
401 qemu_register_machine(&isapc_machine
);
404 machine_init(pc_machine_init
);