2 * QEMU PC System Emulator
4 * Copyright (c) 2003-2004 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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
41 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
42 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
43 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
45 static void ioapic_init(IsaIrqState *isa_irq_state)
51 dev = qdev_create(NULL, "ioapic");
52 qdev_init_nofail(dev);
53 d = sysbus_from_qdev(dev);
54 sysbus_mmio_map(d, 0, 0xfec00000);
56 for (i = 0; i < IOAPIC_NUM_PINS; i++) {
57 isa_irq_state->ioapic[i] = qdev_get_gpio_in(dev, i);
61 /* PC hardware initialisation */
62 static void pc_init1(ram_addr_t ram_size,
63 const char *boot_device,
64 const char *kernel_filename,
65 const char *kernel_cmdline,
66 const char *initrd_filename,
67 const char *cpu_model,
71 ram_addr_t below_4g_mem_size, above_4g_mem_size;
73 PCII440FXState *i440fx_state;
80 IsaIrqState *isa_irq_state;
81 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
82 FDCtrl *floppy_controller;
83 BusState *idebus[MAX_IDE_BUS];
86 pc_cpus_init(cpu_model);
90 /* allocate ram and load rom/bios */
91 pc_memory_init(ram_size, kernel_filename, kernel_cmdline, initrd_filename,
92 &below_4g_mem_size, &above_4g_mem_size);
94 cpu_irq = pc_allocate_cpu_irq();
95 i8259 = i8259_init(cpu_irq[0]);
96 isa_irq_state = qemu_mallocz(sizeof(*isa_irq_state));
97 isa_irq_state->i8259 = i8259;
99 ioapic_init(isa_irq_state);
101 isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24);
104 pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq, ram_size);
110 isa_bus_irqs(isa_irq);
112 pc_register_ferr_irq(isa_reserve_irq(13));
114 pc_vga_init(pci_enabled? pci_bus: NULL);
116 /* init basic PC hardware */
117 pc_basic_device_init(isa_irq, &floppy_controller, &rtc_state);
119 for(i = 0; i < nb_nics; i++) {
120 NICInfo *nd = &nd_table[i];
122 if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
123 pc_init_ne2k_isa(nd);
125 pci_nic_init_nofail(nd, "e1000", NULL);
128 if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
129 fprintf(stderr, "qemu: too many IDE bus\n");
133 for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
134 hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
139 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
140 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
141 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
143 for(i = 0; i < MAX_IDE_BUS; i++) {
145 dev = isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
146 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
147 idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
151 pc_audio_init(pci_enabled ? pci_bus : NULL, isa_irq);
153 pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
154 idebus[0], idebus[1], floppy_controller, rtc_state);
156 if (pci_enabled && usb_enabled) {
157 usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
160 if (pci_enabled && acpi_enabled) {
161 uint8_t *eeprom_buf = qemu_mallocz(8 * 256); /* XXX: make this persistent */
164 cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1);
165 smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
166 /* TODO: Populate SPD eeprom data. */
167 smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
168 isa_reserve_irq(9), *cmos_s3, *smi_irq,
170 for (i = 0; i < 8; i++) {
172 eeprom = qdev_create((BusState *)smbus, "smbus-eeprom");
173 qdev_prop_set_uint8(eeprom, "address", 0x50 + i);
174 qdev_prop_set_ptr(eeprom, "data", eeprom_buf + (i * 256));
175 qdev_init_nofail(eeprom);
180 i440fx_init_memory_mappings(i440fx_state);
184 pc_pci_device_init(pci_bus);
188 static void pc_init_pci(ram_addr_t ram_size,
189 const char *boot_device,
190 const char *kernel_filename,
191 const char *kernel_cmdline,
192 const char *initrd_filename,
193 const char *cpu_model)
195 pc_init1(ram_size, boot_device,
196 kernel_filename, kernel_cmdline,
197 initrd_filename, cpu_model, 1);
200 static void pc_init_isa(ram_addr_t ram_size,
201 const char *boot_device,
202 const char *kernel_filename,
203 const char *kernel_cmdline,
204 const char *initrd_filename,
205 const char *cpu_model)
207 if (cpu_model == NULL)
209 pc_init1(ram_size, boot_device,
210 kernel_filename, kernel_cmdline,
211 initrd_filename, cpu_model, 0);
214 static QEMUMachine pc_machine = {
217 .desc = "Standard PC",
223 static QEMUMachine pc_machine_v0_13 = {
225 .desc = "Standard PC",
228 .compat_props = (GlobalProperty[]) {
230 .driver = "virtio-9p-pci",
231 .property = "vectors",
232 .value = stringify(0),
234 { /* end of list */ }
238 static QEMUMachine pc_machine_v0_12 = {
240 .desc = "Standard PC",
243 .compat_props = (GlobalProperty[]) {
245 .driver = "virtio-serial-pci",
246 .property = "max_ports",
247 .value = stringify(1),
249 .driver = "virtio-serial-pci",
250 .property = "vectors",
251 .value = stringify(0),
253 { /* end of list */ }
257 static QEMUMachine pc_machine_v0_11 = {
259 .desc = "Standard PC, qemu 0.11",
262 .compat_props = (GlobalProperty[]) {
264 .driver = "virtio-blk-pci",
265 .property = "vectors",
266 .value = stringify(0),
268 .driver = "virtio-serial-pci",
269 .property = "max_ports",
270 .value = stringify(1),
272 .driver = "virtio-serial-pci",
273 .property = "vectors",
274 .value = stringify(0),
276 .driver = "ide-drive",
280 .driver = "scsi-disk",
285 .property = "rombar",
286 .value = stringify(0),
288 { /* end of list */ }
292 static QEMUMachine pc_machine_v0_10 = {
294 .desc = "Standard PC, qemu 0.10",
297 .compat_props = (GlobalProperty[]) {
299 .driver = "virtio-blk-pci",
301 .value = stringify(PCI_CLASS_STORAGE_OTHER),
303 .driver = "virtio-serial-pci",
305 .value = stringify(PCI_CLASS_DISPLAY_OTHER),
307 .driver = "virtio-serial-pci",
308 .property = "max_ports",
309 .value = stringify(1),
311 .driver = "virtio-serial-pci",
312 .property = "vectors",
313 .value = stringify(0),
315 .driver = "virtio-net-pci",
316 .property = "vectors",
317 .value = stringify(0),
319 .driver = "virtio-blk-pci",
320 .property = "vectors",
321 .value = stringify(0),
323 .driver = "ide-drive",
327 .driver = "scsi-disk",
332 .property = "rombar",
333 .value = stringify(0),
335 { /* end of list */ }
339 static QEMUMachine isapc_machine = {
341 .desc = "ISA-only PC",
346 static void pc_machine_init(void)
348 qemu_register_machine(&pc_machine);
349 qemu_register_machine(&pc_machine_v0_13);
350 qemu_register_machine(&pc_machine_v0_12);
351 qemu_register_machine(&pc_machine_v0_11);
352 qemu_register_machine(&pc_machine_v0_10);
353 qemu_register_machine(&isapc_machine);
356 machine_init(pc_machine_init);