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845773ab
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1/*
2 * QEMU PC System Emulator
3 *
4 * Copyright (c) 2003-2004 Fabrice Bellard
5 *
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:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
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
22 * THE SOFTWARE.
23 */
24
25#include "hw.h"
26#include "pc.h"
27#include "apic.h"
28#include "pci.h"
29#include "usb-uhci.h"
30#include "usb-ohci.h"
31#include "net.h"
32#include "boards.h"
33#include "ide.h"
34#include "kvm.h"
0ec329da 35#include "kvmclock.h"
666daa68 36#include "sysemu.h"
96051119 37#include "sysbus.h"
0dfa5ef9 38#include "arch_init.h"
2446333c 39#include "blockdev.h"
a88df0b9 40#include "smbus.h"
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41#include "xen.h"
42#ifdef CONFIG_XEN
43# include <xen/hvm/hvm_info_table.h>
44#endif
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45
46#define MAX_IDE_BUS 2
47
48static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
49static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
50static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
51
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52static void ioapic_init(IsaIrqState *isa_irq_state)
53{
54 DeviceState *dev;
55 SysBusDevice *d;
56 unsigned int i;
57
58 dev = qdev_create(NULL, "ioapic");
59 qdev_init_nofail(dev);
60 d = sysbus_from_qdev(dev);
61 sysbus_mmio_map(d, 0, 0xfec00000);
62
63 for (i = 0; i < IOAPIC_NUM_PINS; i++) {
64 isa_irq_state->ioapic[i] = qdev_get_gpio_in(dev, i);
65 }
66}
67
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68/* PC hardware initialisation */
69static 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,
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75 int pci_enabled,
76 int kvmclock_enabled)
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77{
78 int i;
79 ram_addr_t below_4g_mem_size, above_4g_mem_size;
80 PCIBus *pci_bus;
81 PCII440FXState *i440fx_state;
82 int piix3_devfn = -1;
83 qemu_irq *cpu_irq;
84 qemu_irq *isa_irq;
85 qemu_irq *i8259;
86 qemu_irq *cmos_s3;
87 qemu_irq *smi_irq;
88 IsaIrqState *isa_irq_state;
89 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
c0897e0c 90 BusState *idebus[MAX_IDE_BUS];
1d914fa0 91 ISADevice *rtc_state;
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92
93 pc_cpus_init(cpu_model);
94
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95 if (kvmclock_enabled) {
96 kvmclock_create();
97 }
98
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99 if (ram_size >= 0xe0000000 ) {
100 above_4g_mem_size = ram_size - 0xe0000000;
101 below_4g_mem_size = 0xe0000000;
102 } else {
103 above_4g_mem_size = 0;
104 below_4g_mem_size = ram_size;
105 }
106
845773ab 107 /* allocate ram and load rom/bios */
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108 if (!xen_enabled()) {
109 pc_memory_init(kernel_filename, kernel_cmdline, initrd_filename,
110 below_4g_mem_size, above_4g_mem_size);
111 }
845773ab 112
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113 if (!xen_enabled()) {
114 cpu_irq = pc_allocate_cpu_irq();
115 i8259 = i8259_init(cpu_irq[0]);
116 } else {
117 i8259 = xen_interrupt_controller_init();
118 }
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119 isa_irq_state = qemu_mallocz(sizeof(*isa_irq_state));
120 isa_irq_state->i8259 = i8259;
121 if (pci_enabled) {
96051119 122 ioapic_init(isa_irq_state);
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123 }
124 isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24);
125
126 if (pci_enabled) {
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127 if (!xen_enabled()) {
128 pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq, ram_size);
129 } else {
130 pci_bus = i440fx_xen_init(&i440fx_state, &piix3_devfn, isa_irq, ram_size);
131 }
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132 } else {
133 pci_bus = NULL;
02a89b21 134 i440fx_state = NULL;
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135 isa_bus_new(NULL);
136 }
137 isa_bus_irqs(isa_irq);
138
ee951a37 139 pc_register_ferr_irq(isa_get_irq(13));
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140
141 pc_vga_init(pci_enabled? pci_bus: NULL);
142
143 /* init basic PC hardware */
1611977c 144 pc_basic_device_init(isa_irq, &rtc_state, xen_enabled());
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145
146 for(i = 0; i < nb_nics; i++) {
147 NICInfo *nd = &nd_table[i];
148
149 if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
150 pc_init_ne2k_isa(nd);
151 else
152 pci_nic_init_nofail(nd, "e1000", NULL);
153 }
154
75717903 155 ide_drive_get(hd, MAX_IDE_BUS);
845773ab 156 if (pci_enabled) {
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157 PCIDevice *dev;
158 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
159 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
160 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
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161 } else {
162 for(i = 0; i < MAX_IDE_BUS; i++) {
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163 ISADevice *dev;
164 dev = isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
165 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
166 idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
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167 }
168 }
169
0dfa5ef9 170 audio_init(isa_irq, pci_enabled ? pci_bus : NULL);
845773ab 171
c0897e0c 172 pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
63ffb564 173 idebus[0], idebus[1], rtc_state);
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174
175 if (pci_enabled && usb_enabled) {
176 usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
177 }
178
179 if (pci_enabled && acpi_enabled) {
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180 i2c_bus *smbus;
181
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182 if (!xen_enabled()) {
183 cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1);
184 } else {
185 cmos_s3 = qemu_allocate_irqs(xen_cmos_set_s3_resume, rtc_state, 1);
186 }
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187 smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
188 /* TODO: Populate SPD eeprom data. */
189 smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
ee951a37 190 isa_get_irq(9), *cmos_s3, *smi_irq,
845773ab 191 kvm_enabled());
a88df0b9 192 smbus_eeprom_init(smbus, 8, NULL, 0);
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193 }
194
195 if (i440fx_state) {
196 i440fx_init_memory_mappings(i440fx_state);
197 }
198
199 if (pci_enabled) {
200 pc_pci_device_init(pci_bus);
201 }
202}
203
204static void pc_init_pci(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)
210{
211 pc_init1(ram_size, boot_device,
212 kernel_filename, kernel_cmdline,
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213 initrd_filename, cpu_model, 1, 1);
214}
215
216static void pc_init_pci_no_kvmclock(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)
222{
223 pc_init1(ram_size, boot_device,
224 kernel_filename, kernel_cmdline,
225 initrd_filename, cpu_model, 1, 0);
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226}
227
228static void pc_init_isa(ram_addr_t ram_size,
229 const char *boot_device,
230 const char *kernel_filename,
231 const char *kernel_cmdline,
232 const char *initrd_filename,
233 const char *cpu_model)
234{
235 if (cpu_model == NULL)
236 cpu_model = "486";
237 pc_init1(ram_size, boot_device,
238 kernel_filename, kernel_cmdline,
0ec329da 239 initrd_filename, cpu_model, 0, 1);
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240}
241
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242#ifdef CONFIG_XEN
243static void pc_xen_hvm_init(ram_addr_t ram_size,
244 const char *boot_device,
245 const char *kernel_filename,
246 const char *kernel_cmdline,
247 const char *initrd_filename,
248 const char *cpu_model)
249{
250 if (xen_hvm_init() != 0) {
251 hw_error("xen hardware virtual machine initialisation failed");
252 }
253 pc_init_pci_no_kvmclock(ram_size, boot_device,
254 kernel_filename, kernel_cmdline,
255 initrd_filename, cpu_model);
256 xen_vcpu_init();
257}
258#endif
259
845773ab 260static QEMUMachine pc_machine = {
b903a0f7 261 .name = "pc-0.14",
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262 .alias = "pc",
263 .desc = "Standard PC",
264 .init = pc_init_pci,
265 .max_cpus = 255,
266 .is_default = 1,
267};
268
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GH
269static QEMUMachine pc_machine_v0_13 = {
270 .name = "pc-0.13",
271 .desc = "Standard PC",
0ec329da 272 .init = pc_init_pci_no_kvmclock,
b903a0f7 273 .max_cpus = 255,
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274 .compat_props = (GlobalProperty[]) {
275 {
276 .driver = "virtio-9p-pci",
277 .property = "vectors",
278 .value = stringify(0),
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279 },{
280 .driver = "VGA",
281 .property = "rombar",
282 .value = stringify(0),
283 },{
284 .driver = "vmware-svga",
285 .property = "rombar",
286 .value = stringify(0),
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287 },{
288 .driver = "PCI",
289 .property = "command_serr_enable",
290 .value = "off",
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291 },
292 { /* end of list */ }
293 },
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294};
295
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296static QEMUMachine pc_machine_v0_12 = {
297 .name = "pc-0.12",
298 .desc = "Standard PC",
0ec329da 299 .init = pc_init_pci_no_kvmclock,
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300 .max_cpus = 255,
301 .compat_props = (GlobalProperty[]) {
302 {
303 .driver = "virtio-serial-pci",
1e29a009 304 .property = "max_ports",
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305 .value = stringify(1),
306 },{
307 .driver = "virtio-serial-pci",
308 .property = "vectors",
309 .value = stringify(0),
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310 },{
311 .driver = "VGA",
312 .property = "rombar",
313 .value = stringify(0),
314 },{
315 .driver = "vmware-svga",
316 .property = "rombar",
317 .value = stringify(0),
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318 },{
319 .driver = "PCI",
320 .property = "command_serr_enable",
321 .value = "off",
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322 },
323 { /* end of list */ }
324 }
325};
326
327static QEMUMachine pc_machine_v0_11 = {
328 .name = "pc-0.11",
329 .desc = "Standard PC, qemu 0.11",
0ec329da 330 .init = pc_init_pci_no_kvmclock,
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331 .max_cpus = 255,
332 .compat_props = (GlobalProperty[]) {
333 {
334 .driver = "virtio-blk-pci",
335 .property = "vectors",
336 .value = stringify(0),
337 },{
338 .driver = "virtio-serial-pci",
1e29a009 339 .property = "max_ports",
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340 .value = stringify(1),
341 },{
342 .driver = "virtio-serial-pci",
343 .property = "vectors",
344 .value = stringify(0),
345 },{
346 .driver = "ide-drive",
347 .property = "ver",
348 .value = "0.11",
349 },{
350 .driver = "scsi-disk",
351 .property = "ver",
352 .value = "0.11",
353 },{
354 .driver = "PCI",
355 .property = "rombar",
356 .value = stringify(0),
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357 },{
358 .driver = "PCI",
359 .property = "command_serr_enable",
360 .value = "off",
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361 },
362 { /* end of list */ }
363 }
364};
365
366static QEMUMachine pc_machine_v0_10 = {
367 .name = "pc-0.10",
368 .desc = "Standard PC, qemu 0.10",
0ec329da 369 .init = pc_init_pci_no_kvmclock,
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370 .max_cpus = 255,
371 .compat_props = (GlobalProperty[]) {
372 {
373 .driver = "virtio-blk-pci",
374 .property = "class",
375 .value = stringify(PCI_CLASS_STORAGE_OTHER),
376 },{
377 .driver = "virtio-serial-pci",
378 .property = "class",
379 .value = stringify(PCI_CLASS_DISPLAY_OTHER),
380 },{
381 .driver = "virtio-serial-pci",
1e29a009 382 .property = "max_ports",
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383 .value = stringify(1),
384 },{
385 .driver = "virtio-serial-pci",
386 .property = "vectors",
387 .value = stringify(0),
388 },{
389 .driver = "virtio-net-pci",
390 .property = "vectors",
391 .value = stringify(0),
392 },{
393 .driver = "virtio-blk-pci",
394 .property = "vectors",
395 .value = stringify(0),
396 },{
397 .driver = "ide-drive",
398 .property = "ver",
399 .value = "0.10",
400 },{
401 .driver = "scsi-disk",
402 .property = "ver",
403 .value = "0.10",
404 },{
405 .driver = "PCI",
406 .property = "rombar",
407 .value = stringify(0),
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408 },{
409 .driver = "PCI",
410 .property = "command_serr_enable",
411 .value = "off",
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412 },
413 { /* end of list */ }
414 },
415};
416
417static QEMUMachine isapc_machine = {
418 .name = "isapc",
419 .desc = "ISA-only PC",
420 .init = pc_init_isa,
421 .max_cpus = 1,
422};
423
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424#ifdef CONFIG_XEN
425static QEMUMachine xenfv_machine = {
426 .name = "xenfv",
427 .desc = "Xen Fully-virtualized PC",
428 .init = pc_xen_hvm_init,
429 .max_cpus = HVM_MAX_VCPUS,
430 .default_machine_opts = "accel=xen",
431};
432#endif
433
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434static void pc_machine_init(void)
435{
436 qemu_register_machine(&pc_machine);
b903a0f7 437 qemu_register_machine(&pc_machine_v0_13);
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438 qemu_register_machine(&pc_machine_v0_12);
439 qemu_register_machine(&pc_machine_v0_11);
440 qemu_register_machine(&pc_machine_v0_10);
441 qemu_register_machine(&isapc_machine);
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442#ifdef CONFIG_XEN
443 qemu_register_machine(&xenfv_machine);
444#endif
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445}
446
447machine_init(pc_machine_init);