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
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 };
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
,
52 ram_addr_t below_4g_mem_size
, above_4g_mem_size
;
54 PCII440FXState
*i440fx_state
;
61 IsaIrqState
*isa_irq_state
;
62 DriveInfo
*hd
[MAX_IDE_BUS
* MAX_IDE_DEVS
];
63 FDCtrl
*floppy_controller
;
66 pc_cpus_init(cpu_model
);
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
);
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
;
79 isa_irq_state
->ioapic
= ioapic_init();
81 isa_irq
= qemu_allocate_irqs(isa_irq_handler
, isa_irq_state
, 24);
84 pci_bus
= i440fx_init(&i440fx_state
, &piix3_devfn
, isa_irq
, ram_size
);
89 isa_bus_irqs(isa_irq
);
91 pc_register_ferr_irq(isa_reserve_irq(13));
93 pc_vga_init(pci_enabled
? pci_bus
: NULL
);
95 /* init basic PC hardware */
96 pc_basic_device_init(isa_irq
, &floppy_controller
, &rtc_state
);
98 for(i
= 0; i
< nb_nics
; i
++) {
99 NICInfo
*nd
= &nd_table
[i
];
101 if (!pci_enabled
|| (nd
->model
&& strcmp(nd
->model
, "ne2k_isa") == 0))
102 pc_init_ne2k_isa(nd
);
104 pci_nic_init_nofail(nd
, "e1000", NULL
);
107 if (drive_get_max_bus(IF_IDE
) >= MAX_IDE_BUS
) {
108 fprintf(stderr
, "qemu: too many IDE bus\n");
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
);
117 pci_piix3_ide_init(pci_bus
, hd
, piix3_devfn
+ 1);
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]);
126 pc_audio_init(pci_enabled
? pci_bus
: NULL
, isa_irq
);
129 pc_cmos_init(below_4g_mem_size
, above_4g_mem_size
, boot_device
, hd
,
130 floppy_controller
, rtc_state
);
132 if (pci_enabled
&& usb_enabled
) {
133 usb_uhci_piix3_init(pci_bus
, piix3_devfn
+ 2);
136 if (pci_enabled
&& acpi_enabled
) {
137 uint8_t *eeprom_buf
= qemu_mallocz(8 * 256); /* XXX: make this persistent */
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
,
146 for (i
= 0; i
< 8; i
++) {
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
);
153 piix4_acpi_system_hot_add_init(pci_bus
);
157 i440fx_init_memory_mappings(i440fx_state
);
161 pc_pci_device_init(pci_bus
);
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
)
172 pc_init1(ram_size
, boot_device
,
173 kernel_filename
, kernel_cmdline
,
174 initrd_filename
, cpu_model
, 1);
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
)
184 if (cpu_model
== NULL
)
186 pc_init1(ram_size
, boot_device
,
187 kernel_filename
, kernel_cmdline
,
188 initrd_filename
, cpu_model
, 0);
191 static QEMUMachine pc_machine
= {
194 .desc
= "Standard PC",
200 static QEMUMachine pc_machine_v0_12
= {
202 .desc
= "Standard PC",
205 .compat_props
= (GlobalProperty
[]) {
207 .driver
= "virtio-serial-pci",
208 .property
= "max_nr_ports",
209 .value
= stringify(1),
211 .driver
= "virtio-serial-pci",
212 .property
= "vectors",
213 .value
= stringify(0),
215 { /* end of list */ }
219 static QEMUMachine pc_machine_v0_11
= {
221 .desc
= "Standard PC, qemu 0.11",
224 .compat_props
= (GlobalProperty
[]) {
226 .driver
= "virtio-blk-pci",
227 .property
= "vectors",
228 .value
= stringify(0),
230 .driver
= "virtio-serial-pci",
231 .property
= "max_nr_ports",
232 .value
= stringify(1),
234 .driver
= "virtio-serial-pci",
235 .property
= "vectors",
236 .value
= stringify(0),
238 .driver
= "ide-drive",
242 .driver
= "scsi-disk",
247 .property
= "rombar",
248 .value
= stringify(0),
250 { /* end of list */ }
254 static QEMUMachine pc_machine_v0_10
= {
256 .desc
= "Standard PC, qemu 0.10",
259 .compat_props
= (GlobalProperty
[]) {
261 .driver
= "virtio-blk-pci",
263 .value
= stringify(PCI_CLASS_STORAGE_OTHER
),
265 .driver
= "virtio-serial-pci",
267 .value
= stringify(PCI_CLASS_DISPLAY_OTHER
),
269 .driver
= "virtio-serial-pci",
270 .property
= "max_nr_ports",
271 .value
= stringify(1),
273 .driver
= "virtio-serial-pci",
274 .property
= "vectors",
275 .value
= stringify(0),
277 .driver
= "virtio-net-pci",
278 .property
= "vectors",
279 .value
= stringify(0),
281 .driver
= "virtio-blk-pci",
282 .property
= "vectors",
283 .value
= stringify(0),
285 .driver
= "ide-drive",
289 .driver
= "scsi-disk",
294 .property
= "rombar",
295 .value
= stringify(0),
297 { /* end of list */ }
301 static QEMUMachine isapc_machine
= {
303 .desc
= "ISA-only PC",
308 static void pc_machine_init(void)
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
);
317 machine_init(pc_machine_init
);