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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"
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40
41#define MAX_IDE_BUS 2
42
43static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
44static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
45static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
46
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47static void ioapic_init(IsaIrqState *isa_irq_state)
48{
49 DeviceState *dev;
50 SysBusDevice *d;
51 unsigned int i;
52
53 dev = qdev_create(NULL, "ioapic");
54 qdev_init_nofail(dev);
55 d = sysbus_from_qdev(dev);
56 sysbus_mmio_map(d, 0, 0xfec00000);
57
58 for (i = 0; i < IOAPIC_NUM_PINS; i++) {
59 isa_irq_state->ioapic[i] = qdev_get_gpio_in(dev, i);
60 }
61}
62
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63/* PC hardware initialisation */
64static 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,
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70 int pci_enabled,
71 int kvmclock_enabled)
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72{
73 int i;
74 ram_addr_t below_4g_mem_size, above_4g_mem_size;
75 PCIBus *pci_bus;
76 PCII440FXState *i440fx_state;
77 int piix3_devfn = -1;
78 qemu_irq *cpu_irq;
79 qemu_irq *isa_irq;
80 qemu_irq *i8259;
81 qemu_irq *cmos_s3;
82 qemu_irq *smi_irq;
83 IsaIrqState *isa_irq_state;
84 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
85 FDCtrl *floppy_controller;
c0897e0c 86 BusState *idebus[MAX_IDE_BUS];
1d914fa0 87 ISADevice *rtc_state;
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88
89 pc_cpus_init(cpu_model);
90
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91 if (kvmclock_enabled) {
92 kvmclock_create();
93 }
94
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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);
98
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;
103 if (pci_enabled) {
96051119 104 ioapic_init(isa_irq_state);
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105 }
106 isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24);
107
108 if (pci_enabled) {
109 pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq, ram_size);
110 } else {
111 pci_bus = NULL;
02a89b21 112 i440fx_state = NULL;
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113 isa_bus_new(NULL);
114 }
115 isa_bus_irqs(isa_irq);
116
117 pc_register_ferr_irq(isa_reserve_irq(13));
118
119 pc_vga_init(pci_enabled? pci_bus: NULL);
120
121 /* init basic PC hardware */
122 pc_basic_device_init(isa_irq, &floppy_controller, &rtc_state);
123
124 for(i = 0; i < nb_nics; i++) {
125 NICInfo *nd = &nd_table[i];
126
127 if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
128 pc_init_ne2k_isa(nd);
129 else
130 pci_nic_init_nofail(nd, "e1000", NULL);
131 }
132
133 if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
134 fprintf(stderr, "qemu: too many IDE bus\n");
135 exit(1);
136 }
137
138 for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
139 hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
140 }
141
142 if (pci_enabled) {
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143 PCIDevice *dev;
144 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
145 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
146 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
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147 } else {
148 for(i = 0; i < MAX_IDE_BUS; i++) {
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149 ISADevice *dev;
150 dev = isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
151 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
152 idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
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153 }
154 }
155
0dfa5ef9 156 audio_init(isa_irq, pci_enabled ? pci_bus : NULL);
845773ab 157
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158 pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
159 idebus[0], idebus[1], floppy_controller, rtc_state);
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160
161 if (pci_enabled && usb_enabled) {
162 usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
163 }
164
165 if (pci_enabled && acpi_enabled) {
166 uint8_t *eeprom_buf = qemu_mallocz(8 * 256); /* XXX: make this persistent */
167 i2c_bus *smbus;
168
169 cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1);
170 smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
171 /* TODO: Populate SPD eeprom data. */
172 smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
173 isa_reserve_irq(9), *cmos_s3, *smi_irq,
174 kvm_enabled());
175 for (i = 0; i < 8; i++) {
176 DeviceState *eeprom;
177 eeprom = qdev_create((BusState *)smbus, "smbus-eeprom");
178 qdev_prop_set_uint8(eeprom, "address", 0x50 + i);
179 qdev_prop_set_ptr(eeprom, "data", eeprom_buf + (i * 256));
180 qdev_init_nofail(eeprom);
181 }
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182 }
183
184 if (i440fx_state) {
185 i440fx_init_memory_mappings(i440fx_state);
186 }
187
188 if (pci_enabled) {
189 pc_pci_device_init(pci_bus);
190 }
191}
192
193static void pc_init_pci(ram_addr_t ram_size,
194 const char *boot_device,
195 const char *kernel_filename,
196 const char *kernel_cmdline,
197 const char *initrd_filename,
198 const char *cpu_model)
199{
200 pc_init1(ram_size, boot_device,
201 kernel_filename, kernel_cmdline,
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202 initrd_filename, cpu_model, 1, 1);
203}
204
205static void pc_init_pci_no_kvmclock(ram_addr_t ram_size,
206 const char *boot_device,
207 const char *kernel_filename,
208 const char *kernel_cmdline,
209 const char *initrd_filename,
210 const char *cpu_model)
211{
212 pc_init1(ram_size, boot_device,
213 kernel_filename, kernel_cmdline,
214 initrd_filename, cpu_model, 1, 0);
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215}
216
217static void pc_init_isa(ram_addr_t ram_size,
218 const char *boot_device,
219 const char *kernel_filename,
220 const char *kernel_cmdline,
221 const char *initrd_filename,
222 const char *cpu_model)
223{
224 if (cpu_model == NULL)
225 cpu_model = "486";
226 pc_init1(ram_size, boot_device,
227 kernel_filename, kernel_cmdline,
0ec329da 228 initrd_filename, cpu_model, 0, 1);
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229}
230
231static QEMUMachine pc_machine = {
b903a0f7 232 .name = "pc-0.14",
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233 .alias = "pc",
234 .desc = "Standard PC",
235 .init = pc_init_pci,
236 .max_cpus = 255,
237 .is_default = 1,
238};
239
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240static QEMUMachine pc_machine_v0_13 = {
241 .name = "pc-0.13",
242 .desc = "Standard PC",
0ec329da 243 .init = pc_init_pci_no_kvmclock,
b903a0f7 244 .max_cpus = 255,
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245 .compat_props = (GlobalProperty[]) {
246 {
247 .driver = "virtio-9p-pci",
248 .property = "vectors",
249 .value = stringify(0),
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250 },{
251 .driver = "VGA",
252 .property = "rombar",
253 .value = stringify(0),
254 },{
255 .driver = "vmware-svga",
256 .property = "rombar",
257 .value = stringify(0),
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258 },{
259 .driver = "PCI",
260 .property = "command_serr_enable",
261 .value = "off",
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262 },
263 { /* end of list */ }
264 },
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265};
266
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267static QEMUMachine pc_machine_v0_12 = {
268 .name = "pc-0.12",
269 .desc = "Standard PC",
0ec329da 270 .init = pc_init_pci_no_kvmclock,
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271 .max_cpus = 255,
272 .compat_props = (GlobalProperty[]) {
273 {
274 .driver = "virtio-serial-pci",
1e29a009 275 .property = "max_ports",
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276 .value = stringify(1),
277 },{
278 .driver = "virtio-serial-pci",
279 .property = "vectors",
280 .value = stringify(0),
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281 },{
282 .driver = "VGA",
283 .property = "rombar",
284 .value = stringify(0),
285 },{
286 .driver = "vmware-svga",
287 .property = "rombar",
288 .value = stringify(0),
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289 },{
290 .driver = "PCI",
291 .property = "command_serr_enable",
292 .value = "off",
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293 },
294 { /* end of list */ }
295 }
296};
297
298static QEMUMachine pc_machine_v0_11 = {
299 .name = "pc-0.11",
300 .desc = "Standard PC, qemu 0.11",
0ec329da 301 .init = pc_init_pci_no_kvmclock,
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302 .max_cpus = 255,
303 .compat_props = (GlobalProperty[]) {
304 {
305 .driver = "virtio-blk-pci",
306 .property = "vectors",
307 .value = stringify(0),
308 },{
309 .driver = "virtio-serial-pci",
1e29a009 310 .property = "max_ports",
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311 .value = stringify(1),
312 },{
313 .driver = "virtio-serial-pci",
314 .property = "vectors",
315 .value = stringify(0),
316 },{
317 .driver = "ide-drive",
318 .property = "ver",
319 .value = "0.11",
320 },{
321 .driver = "scsi-disk",
322 .property = "ver",
323 .value = "0.11",
324 },{
325 .driver = "PCI",
326 .property = "rombar",
327 .value = stringify(0),
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328 },{
329 .driver = "PCI",
330 .property = "command_serr_enable",
331 .value = "off",
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332 },
333 { /* end of list */ }
334 }
335};
336
337static QEMUMachine pc_machine_v0_10 = {
338 .name = "pc-0.10",
339 .desc = "Standard PC, qemu 0.10",
0ec329da 340 .init = pc_init_pci_no_kvmclock,
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341 .max_cpus = 255,
342 .compat_props = (GlobalProperty[]) {
343 {
344 .driver = "virtio-blk-pci",
345 .property = "class",
346 .value = stringify(PCI_CLASS_STORAGE_OTHER),
347 },{
348 .driver = "virtio-serial-pci",
349 .property = "class",
350 .value = stringify(PCI_CLASS_DISPLAY_OTHER),
351 },{
352 .driver = "virtio-serial-pci",
1e29a009 353 .property = "max_ports",
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354 .value = stringify(1),
355 },{
356 .driver = "virtio-serial-pci",
357 .property = "vectors",
358 .value = stringify(0),
359 },{
360 .driver = "virtio-net-pci",
361 .property = "vectors",
362 .value = stringify(0),
363 },{
364 .driver = "virtio-blk-pci",
365 .property = "vectors",
366 .value = stringify(0),
367 },{
368 .driver = "ide-drive",
369 .property = "ver",
370 .value = "0.10",
371 },{
372 .driver = "scsi-disk",
373 .property = "ver",
374 .value = "0.10",
375 },{
376 .driver = "PCI",
377 .property = "rombar",
378 .value = stringify(0),
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379 },{
380 .driver = "PCI",
381 .property = "command_serr_enable",
382 .value = "off",
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383 },
384 { /* end of list */ }
385 },
386};
387
388static QEMUMachine isapc_machine = {
389 .name = "isapc",
390 .desc = "ISA-only PC",
391 .init = pc_init_isa,
392 .max_cpus = 1,
393};
394
395static void pc_machine_init(void)
396{
397 qemu_register_machine(&pc_machine);
b903a0f7 398 qemu_register_machine(&pc_machine_v0_13);
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399 qemu_register_machine(&pc_machine_v0_12);
400 qemu_register_machine(&pc_machine_v0_11);
401 qemu_register_machine(&pc_machine_v0_10);
402 qemu_register_machine(&isapc_machine);
403}
404
405machine_init(pc_machine_init);