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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"
666daa68 35#include "sysemu.h"
96051119 36#include "sysbus.h"
0dfa5ef9 37#include "arch_init.h"
2446333c 38#include "blockdev.h"
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39
40#define MAX_IDE_BUS 2
41
42static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
43static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
44static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
45
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46static void ioapic_init(IsaIrqState *isa_irq_state)
47{
48 DeviceState *dev;
49 SysBusDevice *d;
50 unsigned int i;
51
52 dev = qdev_create(NULL, "ioapic");
53 qdev_init_nofail(dev);
54 d = sysbus_from_qdev(dev);
55 sysbus_mmio_map(d, 0, 0xfec00000);
56
57 for (i = 0; i < IOAPIC_NUM_PINS; i++) {
58 isa_irq_state->ioapic[i] = qdev_get_gpio_in(dev, i);
59 }
60}
61
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62/* PC hardware initialisation */
63static void pc_init1(ram_addr_t ram_size,
64 const char *boot_device,
65 const char *kernel_filename,
66 const char *kernel_cmdline,
67 const char *initrd_filename,
68 const char *cpu_model,
69 int pci_enabled)
70{
71 int i;
72 ram_addr_t below_4g_mem_size, above_4g_mem_size;
73 PCIBus *pci_bus;
74 PCII440FXState *i440fx_state;
75 int piix3_devfn = -1;
76 qemu_irq *cpu_irq;
77 qemu_irq *isa_irq;
78 qemu_irq *i8259;
79 qemu_irq *cmos_s3;
80 qemu_irq *smi_irq;
81 IsaIrqState *isa_irq_state;
82 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
83 FDCtrl *floppy_controller;
c0897e0c 84 BusState *idebus[MAX_IDE_BUS];
1d914fa0 85 ISADevice *rtc_state;
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86
87 pc_cpus_init(cpu_model);
88
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89 /* allocate ram and load rom/bios */
90 pc_memory_init(ram_size, kernel_filename, kernel_cmdline, initrd_filename,
91 &below_4g_mem_size, &above_4g_mem_size);
92
93 cpu_irq = pc_allocate_cpu_irq();
94 i8259 = i8259_init(cpu_irq[0]);
95 isa_irq_state = qemu_mallocz(sizeof(*isa_irq_state));
96 isa_irq_state->i8259 = i8259;
97 if (pci_enabled) {
96051119 98 ioapic_init(isa_irq_state);
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99 }
100 isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24);
101
102 if (pci_enabled) {
103 pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq, ram_size);
104 } else {
105 pci_bus = NULL;
02a89b21 106 i440fx_state = NULL;
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107 isa_bus_new(NULL);
108 }
109 isa_bus_irqs(isa_irq);
110
111 pc_register_ferr_irq(isa_reserve_irq(13));
112
113 pc_vga_init(pci_enabled? pci_bus: NULL);
114
115 /* init basic PC hardware */
116 pc_basic_device_init(isa_irq, &floppy_controller, &rtc_state);
117
118 for(i = 0; i < nb_nics; i++) {
119 NICInfo *nd = &nd_table[i];
120
121 if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
122 pc_init_ne2k_isa(nd);
123 else
124 pci_nic_init_nofail(nd, "e1000", NULL);
125 }
126
127 if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
128 fprintf(stderr, "qemu: too many IDE bus\n");
129 exit(1);
130 }
131
132 for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
133 hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
134 }
135
136 if (pci_enabled) {
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137 PCIDevice *dev;
138 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
139 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
140 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
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141 } else {
142 for(i = 0; i < MAX_IDE_BUS; i++) {
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143 ISADevice *dev;
144 dev = isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
145 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
146 idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
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147 }
148 }
149
0dfa5ef9 150 audio_init(isa_irq, pci_enabled ? pci_bus : NULL);
845773ab 151
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152 pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
153 idebus[0], idebus[1], floppy_controller, rtc_state);
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154
155 if (pci_enabled && usb_enabled) {
156 usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
157 }
158
159 if (pci_enabled && acpi_enabled) {
160 uint8_t *eeprom_buf = qemu_mallocz(8 * 256); /* XXX: make this persistent */
161 i2c_bus *smbus;
162
163 cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1);
164 smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
165 /* TODO: Populate SPD eeprom data. */
166 smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
167 isa_reserve_irq(9), *cmos_s3, *smi_irq,
168 kvm_enabled());
169 for (i = 0; i < 8; i++) {
170 DeviceState *eeprom;
171 eeprom = qdev_create((BusState *)smbus, "smbus-eeprom");
172 qdev_prop_set_uint8(eeprom, "address", 0x50 + i);
173 qdev_prop_set_ptr(eeprom, "data", eeprom_buf + (i * 256));
174 qdev_init_nofail(eeprom);
175 }
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176 }
177
178 if (i440fx_state) {
179 i440fx_init_memory_mappings(i440fx_state);
180 }
181
182 if (pci_enabled) {
183 pc_pci_device_init(pci_bus);
184 }
185}
186
187static void pc_init_pci(ram_addr_t ram_size,
188 const char *boot_device,
189 const char *kernel_filename,
190 const char *kernel_cmdline,
191 const char *initrd_filename,
192 const char *cpu_model)
193{
194 pc_init1(ram_size, boot_device,
195 kernel_filename, kernel_cmdline,
196 initrd_filename, cpu_model, 1);
197}
198
199static void pc_init_isa(ram_addr_t ram_size,
200 const char *boot_device,
201 const char *kernel_filename,
202 const char *kernel_cmdline,
203 const char *initrd_filename,
204 const char *cpu_model)
205{
206 if (cpu_model == NULL)
207 cpu_model = "486";
208 pc_init1(ram_size, boot_device,
209 kernel_filename, kernel_cmdline,
210 initrd_filename, cpu_model, 0);
211}
212
213static QEMUMachine pc_machine = {
b903a0f7 214 .name = "pc-0.14",
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215 .alias = "pc",
216 .desc = "Standard PC",
217 .init = pc_init_pci,
218 .max_cpus = 255,
219 .is_default = 1,
220};
221
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222static QEMUMachine pc_machine_v0_13 = {
223 .name = "pc-0.13",
224 .desc = "Standard PC",
225 .init = pc_init_pci,
226 .max_cpus = 255,
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227 .compat_props = (GlobalProperty[]) {
228 {
229 .driver = "virtio-9p-pci",
230 .property = "vectors",
231 .value = stringify(0),
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232 },{
233 .driver = "VGA",
234 .property = "rombar",
235 .value = stringify(0),
236 },{
237 .driver = "vmware-svga",
238 .property = "rombar",
239 .value = stringify(0),
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240 },{
241 .driver = "PCI",
242 .property = "command_serr_enable",
243 .value = "off",
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244 },
245 { /* end of list */ }
246 },
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247};
248
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249static QEMUMachine pc_machine_v0_12 = {
250 .name = "pc-0.12",
251 .desc = "Standard PC",
252 .init = pc_init_pci,
253 .max_cpus = 255,
254 .compat_props = (GlobalProperty[]) {
255 {
256 .driver = "virtio-serial-pci",
1e29a009 257 .property = "max_ports",
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258 .value = stringify(1),
259 },{
260 .driver = "virtio-serial-pci",
261 .property = "vectors",
262 .value = stringify(0),
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263 },{
264 .driver = "VGA",
265 .property = "rombar",
266 .value = stringify(0),
267 },{
268 .driver = "vmware-svga",
269 .property = "rombar",
270 .value = stringify(0),
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271 },{
272 .driver = "PCI",
273 .property = "command_serr_enable",
274 .value = "off",
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275 },
276 { /* end of list */ }
277 }
278};
279
280static QEMUMachine pc_machine_v0_11 = {
281 .name = "pc-0.11",
282 .desc = "Standard PC, qemu 0.11",
283 .init = pc_init_pci,
284 .max_cpus = 255,
285 .compat_props = (GlobalProperty[]) {
286 {
287 .driver = "virtio-blk-pci",
288 .property = "vectors",
289 .value = stringify(0),
290 },{
291 .driver = "virtio-serial-pci",
1e29a009 292 .property = "max_ports",
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293 .value = stringify(1),
294 },{
295 .driver = "virtio-serial-pci",
296 .property = "vectors",
297 .value = stringify(0),
298 },{
299 .driver = "ide-drive",
300 .property = "ver",
301 .value = "0.11",
302 },{
303 .driver = "scsi-disk",
304 .property = "ver",
305 .value = "0.11",
306 },{
307 .driver = "PCI",
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_10 = {
320 .name = "pc-0.10",
321 .desc = "Standard PC, qemu 0.10",
322 .init = pc_init_pci,
323 .max_cpus = 255,
324 .compat_props = (GlobalProperty[]) {
325 {
326 .driver = "virtio-blk-pci",
327 .property = "class",
328 .value = stringify(PCI_CLASS_STORAGE_OTHER),
329 },{
330 .driver = "virtio-serial-pci",
331 .property = "class",
332 .value = stringify(PCI_CLASS_DISPLAY_OTHER),
333 },{
334 .driver = "virtio-serial-pci",
1e29a009 335 .property = "max_ports",
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336 .value = stringify(1),
337 },{
338 .driver = "virtio-serial-pci",
339 .property = "vectors",
340 .value = stringify(0),
341 },{
342 .driver = "virtio-net-pci",
343 .property = "vectors",
344 .value = stringify(0),
345 },{
346 .driver = "virtio-blk-pci",
347 .property = "vectors",
348 .value = stringify(0),
349 },{
350 .driver = "ide-drive",
351 .property = "ver",
352 .value = "0.10",
353 },{
354 .driver = "scsi-disk",
355 .property = "ver",
356 .value = "0.10",
357 },{
358 .driver = "PCI",
359 .property = "rombar",
360 .value = stringify(0),
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361 },{
362 .driver = "PCI",
363 .property = "command_serr_enable",
364 .value = "off",
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365 },
366 { /* end of list */ }
367 },
368};
369
370static QEMUMachine isapc_machine = {
371 .name = "isapc",
372 .desc = "ISA-only PC",
373 .init = pc_init_isa,
374 .max_cpus = 1,
375};
376
377static void pc_machine_init(void)
378{
379 qemu_register_machine(&pc_machine);
b903a0f7 380 qemu_register_machine(&pc_machine_v0_13);
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381 qemu_register_machine(&pc_machine_v0_12);
382 qemu_register_machine(&pc_machine_v0_11);
383 qemu_register_machine(&pc_machine_v0_10);
384 qemu_register_machine(&isapc_machine);
385}
386
387machine_init(pc_machine_init);