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
40 #include "arch_init.h"
45 #include "exec-memory.h"
47 # include <xen/hvm/hvm_info_table.h>
52 static const int ide_iobase
[MAX_IDE_BUS
] = { 0x1f0, 0x170 };
53 static const int ide_iobase2
[MAX_IDE_BUS
] = { 0x3f6, 0x376 };
54 static const int ide_irq
[MAX_IDE_BUS
] = { 14, 15 };
56 static void ioapic_init(GSIState
*gsi_state
)
62 dev
= qdev_create(NULL
, "ioapic");
63 qdev_init_nofail(dev
);
64 d
= sysbus_from_qdev(dev
);
65 sysbus_mmio_map(d
, 0, 0xfec00000);
67 for (i
= 0; i
< IOAPIC_NUM_PINS
; i
++) {
68 gsi_state
->ioapic_irq
[i
] = qdev_get_gpio_in(dev
, i
);
72 /* PC hardware initialisation */
73 static void pc_init1(MemoryRegion
*system_memory
,
74 MemoryRegion
*system_io
,
76 const char *boot_device
,
77 const char *kernel_filename
,
78 const char *kernel_cmdline
,
79 const char *initrd_filename
,
80 const char *cpu_model
,
85 ram_addr_t below_4g_mem_size
, above_4g_mem_size
;
87 PCII440FXState
*i440fx_state
;
95 DriveInfo
*hd
[MAX_IDE_BUS
* MAX_IDE_DEVS
];
96 BusState
*idebus
[MAX_IDE_BUS
];
99 MemoryRegion
*ram_memory
;
100 MemoryRegion
*pci_memory
;
101 MemoryRegion
*rom_memory
;
103 pc_cpus_init(cpu_model
);
105 if (kvmclock_enabled
) {
109 if (ram_size
>= 0xe0000000 ) {
110 above_4g_mem_size
= ram_size
- 0xe0000000;
111 below_4g_mem_size
= 0xe0000000;
113 above_4g_mem_size
= 0;
114 below_4g_mem_size
= ram_size
;
118 pci_memory
= g_new(MemoryRegion
, 1);
119 memory_region_init(pci_memory
, "pci", INT64_MAX
);
120 rom_memory
= pci_memory
;
123 rom_memory
= system_memory
;
126 /* allocate ram and load rom/bios */
127 if (!xen_enabled()) {
128 pc_memory_init(system_memory
,
129 kernel_filename
, kernel_cmdline
, initrd_filename
,
130 below_4g_mem_size
, above_4g_mem_size
,
131 pci_enabled
? rom_memory
: system_memory
, &ram_memory
);
134 gsi_state
= g_malloc0(sizeof(*gsi_state
));
135 gsi
= qemu_allocate_irqs(gsi_handler
, gsi_state
, GSI_NUM_PINS
);
138 pci_bus
= i440fx_init(&i440fx_state
, &piix3_devfn
, gsi
,
139 system_memory
, system_io
, ram_size
,
141 0x100000000ULL
- below_4g_mem_size
,
142 0x100000000ULL
+ above_4g_mem_size
,
143 (sizeof(target_phys_addr_t
) == 4
145 : ((uint64_t)1 << 62)),
146 pci_memory
, ram_memory
);
150 isa_bus_new(NULL
, system_io
);
155 if (!xen_enabled()) {
156 cpu_irq
= pc_allocate_cpu_irq();
157 i8259
= i8259_init(cpu_irq
[0]);
159 i8259
= xen_interrupt_controller_init();
162 for (i
= 0; i
< ISA_NUM_IRQS
; i
++) {
163 gsi_state
->i8259_irq
[i
] = i8259
[i
];
166 ioapic_init(gsi_state
);
169 pc_register_ferr_irq(gsi
[13]);
171 pc_vga_init(pci_enabled
? pci_bus
: NULL
);
174 pci_create_simple(pci_bus
, -1, "xen-platform");
177 /* init basic PC hardware */
178 pc_basic_device_init(gsi
, &rtc_state
, &floppy
, xen_enabled());
180 for(i
= 0; i
< nb_nics
; i
++) {
181 NICInfo
*nd
= &nd_table
[i
];
183 if (!pci_enabled
|| (nd
->model
&& strcmp(nd
->model
, "ne2k_isa") == 0))
184 pc_init_ne2k_isa(nd
);
186 pci_nic_init_nofail(nd
, "e1000", NULL
);
189 ide_drive_get(hd
, MAX_IDE_BUS
);
193 dev
= pci_piix3_xen_ide_init(pci_bus
, hd
, piix3_devfn
+ 1);
195 dev
= pci_piix3_ide_init(pci_bus
, hd
, piix3_devfn
+ 1);
197 idebus
[0] = qdev_get_child_bus(&dev
->qdev
, "ide.0");
198 idebus
[1] = qdev_get_child_bus(&dev
->qdev
, "ide.1");
200 for(i
= 0; i
< MAX_IDE_BUS
; i
++) {
202 dev
= isa_ide_init(ide_iobase
[i
], ide_iobase2
[i
], ide_irq
[i
],
203 hd
[MAX_IDE_DEVS
* i
], hd
[MAX_IDE_DEVS
* i
+ 1]);
204 idebus
[i
] = qdev_get_child_bus(&dev
->qdev
, "ide.0");
208 audio_init(gsi
, pci_enabled
? pci_bus
: NULL
);
210 pc_cmos_init(below_4g_mem_size
, above_4g_mem_size
, boot_device
,
211 floppy
, idebus
[0], idebus
[1], rtc_state
);
213 if (pci_enabled
&& usb_enabled
) {
214 usb_uhci_piix3_init(pci_bus
, piix3_devfn
+ 2);
217 if (pci_enabled
&& acpi_enabled
) {
220 if (!xen_enabled()) {
221 cmos_s3
= qemu_allocate_irqs(pc_cmos_set_s3_resume
, rtc_state
, 1);
223 cmos_s3
= qemu_allocate_irqs(xen_cmos_set_s3_resume
, rtc_state
, 1);
225 smi_irq
= qemu_allocate_irqs(pc_acpi_smi_interrupt
, first_cpu
, 1);
226 /* TODO: Populate SPD eeprom data. */
227 smbus
= piix4_pm_init(pci_bus
, piix3_devfn
+ 3, 0xb100,
228 gsi
[9], *cmos_s3
, *smi_irq
,
230 smbus_eeprom_init(smbus
, 8, NULL
, 0);
234 pc_pci_device_init(pci_bus
);
238 static void pc_init_pci(ram_addr_t ram_size
,
239 const char *boot_device
,
240 const char *kernel_filename
,
241 const char *kernel_cmdline
,
242 const char *initrd_filename
,
243 const char *cpu_model
)
245 pc_init1(get_system_memory(),
247 ram_size
, boot_device
,
248 kernel_filename
, kernel_cmdline
,
249 initrd_filename
, cpu_model
, 1, 1);
252 static void pc_init_pci_no_kvmclock(ram_addr_t ram_size
,
253 const char *boot_device
,
254 const char *kernel_filename
,
255 const char *kernel_cmdline
,
256 const char *initrd_filename
,
257 const char *cpu_model
)
259 pc_init1(get_system_memory(),
261 ram_size
, boot_device
,
262 kernel_filename
, kernel_cmdline
,
263 initrd_filename
, cpu_model
, 1, 0);
266 static void pc_init_isa(ram_addr_t ram_size
,
267 const char *boot_device
,
268 const char *kernel_filename
,
269 const char *kernel_cmdline
,
270 const char *initrd_filename
,
271 const char *cpu_model
)
273 if (cpu_model
== NULL
)
275 pc_init1(get_system_memory(),
277 ram_size
, boot_device
,
278 kernel_filename
, kernel_cmdline
,
279 initrd_filename
, cpu_model
, 0, 1);
283 static void pc_xen_hvm_init(ram_addr_t ram_size
,
284 const char *boot_device
,
285 const char *kernel_filename
,
286 const char *kernel_cmdline
,
287 const char *initrd_filename
,
288 const char *cpu_model
)
290 if (xen_hvm_init() != 0) {
291 hw_error("xen hardware virtual machine initialisation failed");
293 pc_init_pci_no_kvmclock(ram_size
, boot_device
,
294 kernel_filename
, kernel_cmdline
,
295 initrd_filename
, cpu_model
);
300 static QEMUMachine pc_machine
= {
303 .desc
= "Standard PC",
309 static QEMUMachine pc_machine_v0_13
= {
311 .desc
= "Standard PC",
312 .init
= pc_init_pci_no_kvmclock
,
314 .compat_props
= (GlobalProperty
[]) {
316 .driver
= "virtio-9p-pci",
317 .property
= "vectors",
318 .value
= stringify(0),
321 .property
= "rombar",
322 .value
= stringify(0),
324 .driver
= "vmware-svga",
325 .property
= "rombar",
326 .value
= stringify(0),
329 .property
= "command_serr_enable",
332 .driver
= "virtio-blk-pci",
333 .property
= "event_idx",
336 .driver
= "virtio-serial-pci",
337 .property
= "event_idx",
340 .driver
= "virtio-net-pci",
341 .property
= "event_idx",
344 { /* end of list */ }
348 static QEMUMachine pc_machine_v0_12
= {
350 .desc
= "Standard PC",
351 .init
= pc_init_pci_no_kvmclock
,
353 .compat_props
= (GlobalProperty
[]) {
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),
364 .property
= "rombar",
365 .value
= stringify(0),
367 .driver
= "vmware-svga",
368 .property
= "rombar",
369 .value
= stringify(0),
372 .property
= "command_serr_enable",
375 .driver
= "virtio-blk-pci",
376 .property
= "event_idx",
379 .driver
= "virtio-serial-pci",
380 .property
= "event_idx",
383 .driver
= "virtio-net-pci",
384 .property
= "event_idx",
387 { /* end of list */ }
391 static QEMUMachine pc_machine_v0_11
= {
393 .desc
= "Standard PC, qemu 0.11",
394 .init
= pc_init_pci_no_kvmclock
,
396 .compat_props
= (GlobalProperty
[]) {
398 .driver
= "virtio-blk-pci",
399 .property
= "vectors",
400 .value
= stringify(0),
402 .driver
= "virtio-serial-pci",
403 .property
= "max_ports",
404 .value
= stringify(1),
406 .driver
= "virtio-serial-pci",
407 .property
= "vectors",
408 .value
= stringify(0),
410 .driver
= "ide-drive",
414 .driver
= "scsi-disk",
419 .property
= "rombar",
420 .value
= stringify(0),
423 .property
= "command_serr_enable",
426 .driver
= "virtio-blk-pci",
427 .property
= "event_idx",
430 .driver
= "virtio-serial-pci",
431 .property
= "event_idx",
434 .driver
= "virtio-net-pci",
435 .property
= "event_idx",
438 { /* end of list */ }
442 static QEMUMachine pc_machine_v0_10
= {
444 .desc
= "Standard PC, qemu 0.10",
445 .init
= pc_init_pci_no_kvmclock
,
447 .compat_props
= (GlobalProperty
[]) {
449 .driver
= "virtio-blk-pci",
451 .value
= stringify(PCI_CLASS_STORAGE_OTHER
),
453 .driver
= "virtio-serial-pci",
455 .value
= stringify(PCI_CLASS_DISPLAY_OTHER
),
457 .driver
= "virtio-serial-pci",
458 .property
= "max_ports",
459 .value
= stringify(1),
461 .driver
= "virtio-serial-pci",
462 .property
= "vectors",
463 .value
= stringify(0),
465 .driver
= "virtio-net-pci",
466 .property
= "vectors",
467 .value
= stringify(0),
469 .driver
= "virtio-blk-pci",
470 .property
= "vectors",
471 .value
= stringify(0),
473 .driver
= "ide-drive",
477 .driver
= "scsi-disk",
482 .property
= "rombar",
483 .value
= stringify(0),
486 .property
= "command_serr_enable",
489 .driver
= "virtio-blk-pci",
490 .property
= "event_idx",
493 .driver
= "virtio-serial-pci",
494 .property
= "event_idx",
497 .driver
= "virtio-net-pci",
498 .property
= "event_idx",
501 { /* end of list */ }
505 static QEMUMachine isapc_machine
= {
507 .desc
= "ISA-only PC",
513 static QEMUMachine xenfv_machine
= {
515 .desc
= "Xen Fully-virtualized PC",
516 .init
= pc_xen_hvm_init
,
517 .max_cpus
= HVM_MAX_VCPUS
,
518 .default_machine_opts
= "accel=xen",
522 static void pc_machine_init(void)
524 qemu_register_machine(&pc_machine
);
525 qemu_register_machine(&pc_machine_v0_13
);
526 qemu_register_machine(&pc_machine_v0_12
);
527 qemu_register_machine(&pc_machine_v0_11
);
528 qemu_register_machine(&pc_machine_v0_10
);
529 qemu_register_machine(&isapc_machine
);
531 qemu_register_machine(&xenfv_machine
);
535 machine_init(pc_machine_init
);