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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 }
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112
113 cpu_irq = pc_allocate_cpu_irq();
114 i8259 = i8259_init(cpu_irq[0]);
115 isa_irq_state = qemu_mallocz(sizeof(*isa_irq_state));
116 isa_irq_state->i8259 = i8259;
117 if (pci_enabled) {
96051119 118 ioapic_init(isa_irq_state);
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119 }
120 isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24);
121
122 if (pci_enabled) {
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123 if (!xen_enabled()) {
124 pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq, ram_size);
125 } else {
126 pci_bus = i440fx_xen_init(&i440fx_state, &piix3_devfn, isa_irq, ram_size);
127 }
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128 } else {
129 pci_bus = NULL;
02a89b21 130 i440fx_state = NULL;
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131 isa_bus_new(NULL);
132 }
133 isa_bus_irqs(isa_irq);
134
ee951a37 135 pc_register_ferr_irq(isa_get_irq(13));
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136
137 pc_vga_init(pci_enabled? pci_bus: NULL);
138
139 /* init basic PC hardware */
1611977c 140 pc_basic_device_init(isa_irq, &rtc_state, xen_enabled());
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141
142 for(i = 0; i < nb_nics; i++) {
143 NICInfo *nd = &nd_table[i];
144
145 if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
146 pc_init_ne2k_isa(nd);
147 else
148 pci_nic_init_nofail(nd, "e1000", NULL);
149 }
150
75717903 151 ide_drive_get(hd, MAX_IDE_BUS);
845773ab 152 if (pci_enabled) {
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153 PCIDevice *dev;
154 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
155 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
156 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
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157 } else {
158 for(i = 0; i < MAX_IDE_BUS; i++) {
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159 ISADevice *dev;
160 dev = isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
161 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
162 idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
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163 }
164 }
165
0dfa5ef9 166 audio_init(isa_irq, pci_enabled ? pci_bus : NULL);
845773ab 167
c0897e0c 168 pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
63ffb564 169 idebus[0], idebus[1], rtc_state);
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170
171 if (pci_enabled && usb_enabled) {
172 usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
173 }
174
175 if (pci_enabled && acpi_enabled) {
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176 i2c_bus *smbus;
177
178 cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1);
179 smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
180 /* TODO: Populate SPD eeprom data. */
181 smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
ee951a37 182 isa_get_irq(9), *cmos_s3, *smi_irq,
845773ab 183 kvm_enabled());
a88df0b9 184 smbus_eeprom_init(smbus, 8, NULL, 0);
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185 }
186
187 if (i440fx_state) {
188 i440fx_init_memory_mappings(i440fx_state);
189 }
190
191 if (pci_enabled) {
192 pc_pci_device_init(pci_bus);
193 }
194}
195
196static void pc_init_pci(ram_addr_t ram_size,
197 const char *boot_device,
198 const char *kernel_filename,
199 const char *kernel_cmdline,
200 const char *initrd_filename,
201 const char *cpu_model)
202{
203 pc_init1(ram_size, boot_device,
204 kernel_filename, kernel_cmdline,
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205 initrd_filename, cpu_model, 1, 1);
206}
207
208static void pc_init_pci_no_kvmclock(ram_addr_t ram_size,
209 const char *boot_device,
210 const char *kernel_filename,
211 const char *kernel_cmdline,
212 const char *initrd_filename,
213 const char *cpu_model)
214{
215 pc_init1(ram_size, boot_device,
216 kernel_filename, kernel_cmdline,
217 initrd_filename, cpu_model, 1, 0);
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218}
219
220static void pc_init_isa(ram_addr_t ram_size,
221 const char *boot_device,
222 const char *kernel_filename,
223 const char *kernel_cmdline,
224 const char *initrd_filename,
225 const char *cpu_model)
226{
227 if (cpu_model == NULL)
228 cpu_model = "486";
229 pc_init1(ram_size, boot_device,
230 kernel_filename, kernel_cmdline,
0ec329da 231 initrd_filename, cpu_model, 0, 1);
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232}
233
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234#ifdef CONFIG_XEN
235static void pc_xen_hvm_init(ram_addr_t ram_size,
236 const char *boot_device,
237 const char *kernel_filename,
238 const char *kernel_cmdline,
239 const char *initrd_filename,
240 const char *cpu_model)
241{
242 if (xen_hvm_init() != 0) {
243 hw_error("xen hardware virtual machine initialisation failed");
244 }
245 pc_init_pci_no_kvmclock(ram_size, boot_device,
246 kernel_filename, kernel_cmdline,
247 initrd_filename, cpu_model);
248 xen_vcpu_init();
249}
250#endif
251
845773ab 252static QEMUMachine pc_machine = {
b903a0f7 253 .name = "pc-0.14",
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254 .alias = "pc",
255 .desc = "Standard PC",
256 .init = pc_init_pci,
257 .max_cpus = 255,
258 .is_default = 1,
259};
260
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261static QEMUMachine pc_machine_v0_13 = {
262 .name = "pc-0.13",
263 .desc = "Standard PC",
0ec329da 264 .init = pc_init_pci_no_kvmclock,
b903a0f7 265 .max_cpus = 255,
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266 .compat_props = (GlobalProperty[]) {
267 {
268 .driver = "virtio-9p-pci",
269 .property = "vectors",
270 .value = stringify(0),
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271 },{
272 .driver = "VGA",
273 .property = "rombar",
274 .value = stringify(0),
275 },{
276 .driver = "vmware-svga",
277 .property = "rombar",
278 .value = stringify(0),
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279 },{
280 .driver = "PCI",
281 .property = "command_serr_enable",
282 .value = "off",
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283 },
284 { /* end of list */ }
285 },
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286};
287
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288static QEMUMachine pc_machine_v0_12 = {
289 .name = "pc-0.12",
290 .desc = "Standard PC",
0ec329da 291 .init = pc_init_pci_no_kvmclock,
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292 .max_cpus = 255,
293 .compat_props = (GlobalProperty[]) {
294 {
295 .driver = "virtio-serial-pci",
1e29a009 296 .property = "max_ports",
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297 .value = stringify(1),
298 },{
299 .driver = "virtio-serial-pci",
300 .property = "vectors",
301 .value = stringify(0),
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302 },{
303 .driver = "VGA",
304 .property = "rombar",
305 .value = stringify(0),
306 },{
307 .driver = "vmware-svga",
308 .property = "rombar",
309 .value = stringify(0),
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310 },{
311 .driver = "PCI",
312 .property = "command_serr_enable",
313 .value = "off",
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314 },
315 { /* end of list */ }
316 }
317};
318
319static QEMUMachine pc_machine_v0_11 = {
320 .name = "pc-0.11",
321 .desc = "Standard PC, qemu 0.11",
0ec329da 322 .init = pc_init_pci_no_kvmclock,
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323 .max_cpus = 255,
324 .compat_props = (GlobalProperty[]) {
325 {
326 .driver = "virtio-blk-pci",
327 .property = "vectors",
328 .value = stringify(0),
329 },{
330 .driver = "virtio-serial-pci",
1e29a009 331 .property = "max_ports",
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332 .value = stringify(1),
333 },{
334 .driver = "virtio-serial-pci",
335 .property = "vectors",
336 .value = stringify(0),
337 },{
338 .driver = "ide-drive",
339 .property = "ver",
340 .value = "0.11",
341 },{
342 .driver = "scsi-disk",
343 .property = "ver",
344 .value = "0.11",
345 },{
346 .driver = "PCI",
347 .property = "rombar",
348 .value = stringify(0),
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349 },{
350 .driver = "PCI",
351 .property = "command_serr_enable",
352 .value = "off",
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353 },
354 { /* end of list */ }
355 }
356};
357
358static QEMUMachine pc_machine_v0_10 = {
359 .name = "pc-0.10",
360 .desc = "Standard PC, qemu 0.10",
0ec329da 361 .init = pc_init_pci_no_kvmclock,
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362 .max_cpus = 255,
363 .compat_props = (GlobalProperty[]) {
364 {
365 .driver = "virtio-blk-pci",
366 .property = "class",
367 .value = stringify(PCI_CLASS_STORAGE_OTHER),
368 },{
369 .driver = "virtio-serial-pci",
370 .property = "class",
371 .value = stringify(PCI_CLASS_DISPLAY_OTHER),
372 },{
373 .driver = "virtio-serial-pci",
1e29a009 374 .property = "max_ports",
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375 .value = stringify(1),
376 },{
377 .driver = "virtio-serial-pci",
378 .property = "vectors",
379 .value = stringify(0),
380 },{
381 .driver = "virtio-net-pci",
382 .property = "vectors",
383 .value = stringify(0),
384 },{
385 .driver = "virtio-blk-pci",
386 .property = "vectors",
387 .value = stringify(0),
388 },{
389 .driver = "ide-drive",
390 .property = "ver",
391 .value = "0.10",
392 },{
393 .driver = "scsi-disk",
394 .property = "ver",
395 .value = "0.10",
396 },{
397 .driver = "PCI",
398 .property = "rombar",
399 .value = stringify(0),
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400 },{
401 .driver = "PCI",
402 .property = "command_serr_enable",
403 .value = "off",
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404 },
405 { /* end of list */ }
406 },
407};
408
409static QEMUMachine isapc_machine = {
410 .name = "isapc",
411 .desc = "ISA-only PC",
412 .init = pc_init_isa,
413 .max_cpus = 1,
414};
415
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416#ifdef CONFIG_XEN
417static QEMUMachine xenfv_machine = {
418 .name = "xenfv",
419 .desc = "Xen Fully-virtualized PC",
420 .init = pc_xen_hvm_init,
421 .max_cpus = HVM_MAX_VCPUS,
422 .default_machine_opts = "accel=xen",
423};
424#endif
425
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426static void pc_machine_init(void)
427{
428 qemu_register_machine(&pc_machine);
b903a0f7 429 qemu_register_machine(&pc_machine_v0_13);
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430 qemu_register_machine(&pc_machine_v0_12);
431 qemu_register_machine(&pc_machine_v0_11);
432 qemu_register_machine(&pc_machine_v0_10);
433 qemu_register_machine(&isapc_machine);
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434#ifdef CONFIG_XEN
435 qemu_register_machine(&xenfv_machine);
436#endif
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437}
438
439machine_init(pc_machine_init);