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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" | |
35 | ||
36 | #define MAX_IDE_BUS 2 | |
37 | ||
38 | static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; | |
39 | static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; | |
40 | static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; | |
41 | ||
42 | /* PC hardware initialisation */ | |
43 | static void pc_init1(ram_addr_t ram_size, | |
44 | const char *boot_device, | |
45 | const char *kernel_filename, | |
46 | const char *kernel_cmdline, | |
47 | const char *initrd_filename, | |
48 | const char *cpu_model, | |
49 | int pci_enabled) | |
50 | { | |
51 | int i; | |
52 | ram_addr_t below_4g_mem_size, above_4g_mem_size; | |
53 | PCIBus *pci_bus; | |
54 | PCII440FXState *i440fx_state; | |
55 | int piix3_devfn = -1; | |
56 | qemu_irq *cpu_irq; | |
57 | qemu_irq *isa_irq; | |
58 | qemu_irq *i8259; | |
59 | qemu_irq *cmos_s3; | |
60 | qemu_irq *smi_irq; | |
61 | IsaIrqState *isa_irq_state; | |
62 | DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; | |
63 | FDCtrl *floppy_controller; | |
64 | RTCState *rtc_state; | |
65 | ||
66 | pc_cpus_init(cpu_model); | |
67 | ||
68 | vmport_init(); | |
69 | ||
70 | /* allocate ram and load rom/bios */ | |
71 | pc_memory_init(ram_size, kernel_filename, kernel_cmdline, initrd_filename, | |
72 | &below_4g_mem_size, &above_4g_mem_size); | |
73 | ||
74 | cpu_irq = pc_allocate_cpu_irq(); | |
75 | i8259 = i8259_init(cpu_irq[0]); | |
76 | isa_irq_state = qemu_mallocz(sizeof(*isa_irq_state)); | |
77 | isa_irq_state->i8259 = i8259; | |
78 | if (pci_enabled) { | |
79 | isa_irq_state->ioapic = ioapic_init(); | |
80 | } | |
81 | isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24); | |
82 | ||
83 | if (pci_enabled) { | |
84 | pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq, ram_size); | |
85 | } else { | |
86 | pci_bus = NULL; | |
87 | isa_bus_new(NULL); | |
88 | } | |
89 | isa_bus_irqs(isa_irq); | |
90 | ||
91 | pc_register_ferr_irq(isa_reserve_irq(13)); | |
92 | ||
93 | pc_vga_init(pci_enabled? pci_bus: NULL); | |
94 | ||
95 | /* init basic PC hardware */ | |
96 | pc_basic_device_init(isa_irq, &floppy_controller, &rtc_state); | |
97 | ||
98 | for(i = 0; i < nb_nics; i++) { | |
99 | NICInfo *nd = &nd_table[i]; | |
100 | ||
101 | if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0)) | |
102 | pc_init_ne2k_isa(nd); | |
103 | else | |
104 | pci_nic_init_nofail(nd, "e1000", NULL); | |
105 | } | |
106 | ||
107 | if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) { | |
108 | fprintf(stderr, "qemu: too many IDE bus\n"); | |
109 | exit(1); | |
110 | } | |
111 | ||
112 | for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) { | |
113 | hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS); | |
114 | } | |
115 | ||
116 | if (pci_enabled) { | |
117 | pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1); | |
118 | } else { | |
119 | for(i = 0; i < MAX_IDE_BUS; i++) { | |
120 | isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i], | |
121 | hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); | |
122 | } | |
123 | } | |
124 | ||
125 | #ifdef HAS_AUDIO | |
126 | pc_audio_init(pci_enabled ? pci_bus : NULL, isa_irq); | |
127 | #endif | |
128 | ||
129 | pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device, hd, | |
130 | floppy_controller, rtc_state); | |
131 | ||
132 | if (pci_enabled && usb_enabled) { | |
133 | usb_uhci_piix3_init(pci_bus, piix3_devfn + 2); | |
134 | } | |
135 | ||
136 | if (pci_enabled && acpi_enabled) { | |
137 | uint8_t *eeprom_buf = qemu_mallocz(8 * 256); /* XXX: make this persistent */ | |
138 | i2c_bus *smbus; | |
139 | ||
140 | cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1); | |
141 | smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1); | |
142 | /* TODO: Populate SPD eeprom data. */ | |
143 | smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, | |
144 | isa_reserve_irq(9), *cmos_s3, *smi_irq, | |
145 | kvm_enabled()); | |
146 | for (i = 0; i < 8; i++) { | |
147 | DeviceState *eeprom; | |
148 | eeprom = qdev_create((BusState *)smbus, "smbus-eeprom"); | |
149 | qdev_prop_set_uint8(eeprom, "address", 0x50 + i); | |
150 | qdev_prop_set_ptr(eeprom, "data", eeprom_buf + (i * 256)); | |
151 | qdev_init_nofail(eeprom); | |
152 | } | |
153 | piix4_acpi_system_hot_add_init(pci_bus); | |
154 | } | |
155 | ||
156 | if (i440fx_state) { | |
157 | i440fx_init_memory_mappings(i440fx_state); | |
158 | } | |
159 | ||
160 | if (pci_enabled) { | |
161 | pc_pci_device_init(pci_bus); | |
162 | } | |
163 | } | |
164 | ||
165 | static void pc_init_pci(ram_addr_t ram_size, | |
166 | const char *boot_device, | |
167 | const char *kernel_filename, | |
168 | const char *kernel_cmdline, | |
169 | const char *initrd_filename, | |
170 | const char *cpu_model) | |
171 | { | |
172 | pc_init1(ram_size, boot_device, | |
173 | kernel_filename, kernel_cmdline, | |
174 | initrd_filename, cpu_model, 1); | |
175 | } | |
176 | ||
177 | static void pc_init_isa(ram_addr_t ram_size, | |
178 | const char *boot_device, | |
179 | const char *kernel_filename, | |
180 | const char *kernel_cmdline, | |
181 | const char *initrd_filename, | |
182 | const char *cpu_model) | |
183 | { | |
184 | if (cpu_model == NULL) | |
185 | cpu_model = "486"; | |
186 | pc_init1(ram_size, boot_device, | |
187 | kernel_filename, kernel_cmdline, | |
188 | initrd_filename, cpu_model, 0); | |
189 | } | |
190 | ||
191 | static QEMUMachine pc_machine = { | |
192 | .name = "pc-0.13", | |
193 | .alias = "pc", | |
194 | .desc = "Standard PC", | |
195 | .init = pc_init_pci, | |
196 | .max_cpus = 255, | |
197 | .is_default = 1, | |
198 | }; | |
199 | ||
200 | static QEMUMachine pc_machine_v0_12 = { | |
201 | .name = "pc-0.12", | |
202 | .desc = "Standard PC", | |
203 | .init = pc_init_pci, | |
204 | .max_cpus = 255, | |
205 | .compat_props = (GlobalProperty[]) { | |
206 | { | |
207 | .driver = "virtio-serial-pci", | |
208 | .property = "max_nr_ports", | |
209 | .value = stringify(1), | |
210 | },{ | |
211 | .driver = "virtio-serial-pci", | |
212 | .property = "vectors", | |
213 | .value = stringify(0), | |
214 | }, | |
215 | { /* end of list */ } | |
216 | } | |
217 | }; | |
218 | ||
219 | static QEMUMachine pc_machine_v0_11 = { | |
220 | .name = "pc-0.11", | |
221 | .desc = "Standard PC, qemu 0.11", | |
222 | .init = pc_init_pci, | |
223 | .max_cpus = 255, | |
224 | .compat_props = (GlobalProperty[]) { | |
225 | { | |
226 | .driver = "virtio-blk-pci", | |
227 | .property = "vectors", | |
228 | .value = stringify(0), | |
229 | },{ | |
230 | .driver = "virtio-serial-pci", | |
231 | .property = "max_nr_ports", | |
232 | .value = stringify(1), | |
233 | },{ | |
234 | .driver = "virtio-serial-pci", | |
235 | .property = "vectors", | |
236 | .value = stringify(0), | |
237 | },{ | |
238 | .driver = "ide-drive", | |
239 | .property = "ver", | |
240 | .value = "0.11", | |
241 | },{ | |
242 | .driver = "scsi-disk", | |
243 | .property = "ver", | |
244 | .value = "0.11", | |
245 | },{ | |
246 | .driver = "PCI", | |
247 | .property = "rombar", | |
248 | .value = stringify(0), | |
249 | }, | |
250 | { /* end of list */ } | |
251 | } | |
252 | }; | |
253 | ||
254 | static QEMUMachine pc_machine_v0_10 = { | |
255 | .name = "pc-0.10", | |
256 | .desc = "Standard PC, qemu 0.10", | |
257 | .init = pc_init_pci, | |
258 | .max_cpus = 255, | |
259 | .compat_props = (GlobalProperty[]) { | |
260 | { | |
261 | .driver = "virtio-blk-pci", | |
262 | .property = "class", | |
263 | .value = stringify(PCI_CLASS_STORAGE_OTHER), | |
264 | },{ | |
265 | .driver = "virtio-serial-pci", | |
266 | .property = "class", | |
267 | .value = stringify(PCI_CLASS_DISPLAY_OTHER), | |
268 | },{ | |
269 | .driver = "virtio-serial-pci", | |
270 | .property = "max_nr_ports", | |
271 | .value = stringify(1), | |
272 | },{ | |
273 | .driver = "virtio-serial-pci", | |
274 | .property = "vectors", | |
275 | .value = stringify(0), | |
276 | },{ | |
277 | .driver = "virtio-net-pci", | |
278 | .property = "vectors", | |
279 | .value = stringify(0), | |
280 | },{ | |
281 | .driver = "virtio-blk-pci", | |
282 | .property = "vectors", | |
283 | .value = stringify(0), | |
284 | },{ | |
285 | .driver = "ide-drive", | |
286 | .property = "ver", | |
287 | .value = "0.10", | |
288 | },{ | |
289 | .driver = "scsi-disk", | |
290 | .property = "ver", | |
291 | .value = "0.10", | |
292 | },{ | |
293 | .driver = "PCI", | |
294 | .property = "rombar", | |
295 | .value = stringify(0), | |
296 | }, | |
297 | { /* end of list */ } | |
298 | }, | |
299 | }; | |
300 | ||
301 | static QEMUMachine isapc_machine = { | |
302 | .name = "isapc", | |
303 | .desc = "ISA-only PC", | |
304 | .init = pc_init_isa, | |
305 | .max_cpus = 1, | |
306 | }; | |
307 | ||
308 | static void pc_machine_init(void) | |
309 | { | |
310 | qemu_register_machine(&pc_machine); | |
311 | qemu_register_machine(&pc_machine_v0_12); | |
312 | qemu_register_machine(&pc_machine_v0_11); | |
313 | qemu_register_machine(&pc_machine_v0_10); | |
314 | qemu_register_machine(&isapc_machine); | |
315 | } | |
316 | ||
317 | machine_init(pc_machine_init); |