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845773ab IY |
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" |
29d3ccde AP |
41 | #include "xen.h" |
42 | #ifdef CONFIG_XEN | |
43 | # include <xen/hvm/hvm_info_table.h> | |
44 | #endif | |
845773ab IY |
45 | |
46 | #define MAX_IDE_BUS 2 | |
47 | ||
48 | static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; | |
49 | static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; | |
50 | static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; | |
51 | ||
96051119 BS |
52 | static 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 | ||
845773ab IY |
68 | /* PC hardware initialisation */ |
69 | static 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, | |
0ec329da JK |
75 | int pci_enabled, |
76 | int kvmclock_enabled) | |
845773ab IY |
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; |
845773ab IY |
92 | |
93 | pc_cpus_init(cpu_model); | |
94 | ||
0ec329da JK |
95 | if (kvmclock_enabled) { |
96 | kvmclock_create(); | |
97 | } | |
98 | ||
e0e7e67b AP |
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 */ |
29d3ccde AP |
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 | |
9c11a8ac AP |
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 | } | |
845773ab IY |
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); |
845773ab IY |
123 | } |
124 | isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24); | |
125 | ||
126 | if (pci_enabled) { | |
41445300 AP |
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 | } | |
845773ab IY |
132 | } else { |
133 | pci_bus = NULL; | |
02a89b21 | 134 | i440fx_state = NULL; |
845773ab IY |
135 | isa_bus_new(NULL); |
136 | } | |
137 | isa_bus_irqs(isa_irq); | |
138 | ||
ee951a37 | 139 | pc_register_ferr_irq(isa_get_irq(13)); |
845773ab IY |
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()); |
845773ab IY |
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) { |
c0897e0c MA |
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"); | |
845773ab IY |
161 | } else { |
162 | for(i = 0; i < MAX_IDE_BUS; i++) { | |
c0897e0c MA |
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"); | |
845773ab IY |
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); |
845773ab IY |
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) { | |
845773ab IY |
180 | i2c_bus *smbus; |
181 | ||
c9622478 AP |
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 | } | |
845773ab IY |
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); |
845773ab IY |
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 | ||
204 | static 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, | |
0ec329da JK |
213 | initrd_filename, cpu_model, 1, 1); |
214 | } | |
215 | ||
216 | static 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); | |
845773ab IY |
226 | } |
227 | ||
228 | static 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); |
845773ab IY |
240 | } |
241 | ||
29d3ccde AP |
242 | #ifdef CONFIG_XEN |
243 | static 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 | 260 | static QEMUMachine pc_machine = { |
b903a0f7 | 261 | .name = "pc-0.14", |
845773ab IY |
262 | .alias = "pc", |
263 | .desc = "Standard PC", | |
264 | .init = pc_init_pci, | |
265 | .max_cpus = 255, | |
266 | .is_default = 1, | |
267 | }; | |
268 | ||
b903a0f7 GH |
269 | static 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, |
9dbcca5a GH |
274 | .compat_props = (GlobalProperty[]) { |
275 | { | |
276 | .driver = "virtio-9p-pci", | |
277 | .property = "vectors", | |
278 | .value = stringify(0), | |
281a26b1 GH |
279 | },{ |
280 | .driver = "VGA", | |
281 | .property = "rombar", | |
282 | .value = stringify(0), | |
283 | },{ | |
284 | .driver = "vmware-svga", | |
285 | .property = "rombar", | |
286 | .value = stringify(0), | |
362dd48c IY |
287 | },{ |
288 | .driver = "PCI", | |
289 | .property = "command_serr_enable", | |
290 | .value = "off", | |
9dbcca5a GH |
291 | }, |
292 | { /* end of list */ } | |
293 | }, | |
b903a0f7 GH |
294 | }; |
295 | ||
845773ab IY |
296 | static QEMUMachine pc_machine_v0_12 = { |
297 | .name = "pc-0.12", | |
298 | .desc = "Standard PC", | |
0ec329da | 299 | .init = pc_init_pci_no_kvmclock, |
845773ab IY |
300 | .max_cpus = 255, |
301 | .compat_props = (GlobalProperty[]) { | |
302 | { | |
303 | .driver = "virtio-serial-pci", | |
1e29a009 | 304 | .property = "max_ports", |
845773ab IY |
305 | .value = stringify(1), |
306 | },{ | |
307 | .driver = "virtio-serial-pci", | |
308 | .property = "vectors", | |
309 | .value = stringify(0), | |
281a26b1 GH |
310 | },{ |
311 | .driver = "VGA", | |
312 | .property = "rombar", | |
313 | .value = stringify(0), | |
314 | },{ | |
315 | .driver = "vmware-svga", | |
316 | .property = "rombar", | |
317 | .value = stringify(0), | |
b1aeb926 IY |
318 | },{ |
319 | .driver = "PCI", | |
320 | .property = "command_serr_enable", | |
321 | .value = "off", | |
845773ab IY |
322 | }, |
323 | { /* end of list */ } | |
324 | } | |
325 | }; | |
326 | ||
327 | static 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, |
845773ab IY |
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", |
845773ab IY |
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), | |
b1aeb926 IY |
357 | },{ |
358 | .driver = "PCI", | |
359 | .property = "command_serr_enable", | |
360 | .value = "off", | |
845773ab IY |
361 | }, |
362 | { /* end of list */ } | |
363 | } | |
364 | }; | |
365 | ||
366 | static 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, |
845773ab IY |
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", |
845773ab IY |
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), | |
b1aeb926 IY |
408 | },{ |
409 | .driver = "PCI", | |
410 | .property = "command_serr_enable", | |
411 | .value = "off", | |
845773ab IY |
412 | }, |
413 | { /* end of list */ } | |
414 | }, | |
415 | }; | |
416 | ||
417 | static QEMUMachine isapc_machine = { | |
418 | .name = "isapc", | |
419 | .desc = "ISA-only PC", | |
420 | .init = pc_init_isa, | |
421 | .max_cpus = 1, | |
422 | }; | |
423 | ||
29d3ccde AP |
424 | #ifdef CONFIG_XEN |
425 | static 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 | ||
845773ab IY |
434 | static void pc_machine_init(void) |
435 | { | |
436 | qemu_register_machine(&pc_machine); | |
b903a0f7 | 437 | qemu_register_machine(&pc_machine_v0_13); |
845773ab IY |
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); | |
29d3ccde AP |
442 | #ifdef CONFIG_XEN |
443 | qemu_register_machine(&xenfv_machine); | |
444 | #endif | |
845773ab IY |
445 | } |
446 | ||
447 | machine_init(pc_machine_init); |