[mirror_qemu.git] / hw / pc_piix.c

/*
 * QEMU PC System Emulator
 *
 * Copyright (c) 2003-2004 Fabrice Bellard
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include "hw.h"
#include "pc.h"
#include "apic.h"
#include "pci.h"
#include "usb-uhci.h"
#include "usb-ohci.h"
#include "net.h"
#include "boards.h"
#include "ide.h"
#include "kvm.h"

#define MAX_IDE_BUS 2

static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };

/* PC hardware initialisation */
static void pc_init1(ram_addr_t ram_size,
                     const char *boot_device,
                     const char *kernel_filename,
                     const char *kernel_cmdline,
                     const char *initrd_filename,
                     const char *cpu_model,
                     int pci_enabled)
{
    int i;
    ram_addr_t below_4g_mem_size, above_4g_mem_size;
    PCIBus *pci_bus;
    PCII440FXState *i440fx_state;
    int piix3_devfn = -1;
    qemu_irq *cpu_irq;
    qemu_irq *isa_irq;
    qemu_irq *i8259;
    qemu_irq *cmos_s3;
    qemu_irq *smi_irq;
    IsaIrqState *isa_irq_state;
    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
    FDCtrl *floppy_controller;
    RTCState *rtc_state;

    pc_cpus_init(cpu_model);

    vmport_init();

    /* allocate ram and load rom/bios */
    pc_memory_init(ram_size, kernel_filename, kernel_cmdline, initrd_filename,
                   &below_4g_mem_size, &above_4g_mem_size);

    cpu_irq = pc_allocate_cpu_irq();
    i8259 = i8259_init(cpu_irq[0]);
    isa_irq_state = qemu_mallocz(sizeof(*isa_irq_state));
    isa_irq_state->i8259 = i8259;
    if (pci_enabled) {
        isa_irq_state->ioapic = ioapic_init();
    }
    isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24);

    if (pci_enabled) {
        pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq, ram_size);
    } else {
        pci_bus = NULL;
        isa_bus_new(NULL);
    }
    isa_bus_irqs(isa_irq);

    pc_register_ferr_irq(isa_reserve_irq(13));

    pc_vga_init(pci_enabled? pci_bus: NULL);

    /* init basic PC hardware */
    pc_basic_device_init(isa_irq, &floppy_controller, &rtc_state);

    for(i = 0; i < nb_nics; i++) {
        NICInfo *nd = &nd_table[i];

        if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
            pc_init_ne2k_isa(nd);
        else
            pci_nic_init_nofail(nd, "e1000", NULL);
    }

    if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
        fprintf(stderr, "qemu: too many IDE bus\n");
        exit(1);
    }

    for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
        hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
    }

    if (pci_enabled) {
        pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
    } else {
        for(i = 0; i < MAX_IDE_BUS; i++) {
            isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
	                 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
        }
    }

#ifdef HAS_AUDIO
    pc_audio_init(pci_enabled ? pci_bus : NULL, isa_irq);
#endif

    pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device, hd,
                 floppy_controller, rtc_state);

    if (pci_enabled && usb_enabled) {
        usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
    }

    if (pci_enabled && acpi_enabled) {
        uint8_t *eeprom_buf = qemu_mallocz(8 * 256); /* XXX: make this persistent */
        i2c_bus *smbus;

        cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1);
        smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
        /* TODO: Populate SPD eeprom data.  */
        smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
                              isa_reserve_irq(9), *cmos_s3, *smi_irq,
                              kvm_enabled());
        for (i = 0; i < 8; i++) {
            DeviceState *eeprom;
            eeprom = qdev_create((BusState *)smbus, "smbus-eeprom");
            qdev_prop_set_uint8(eeprom, "address", 0x50 + i);
            qdev_prop_set_ptr(eeprom, "data", eeprom_buf + (i * 256));
            qdev_init_nofail(eeprom);
        }
        piix4_acpi_system_hot_add_init(pci_bus);
    }

    if (i440fx_state) {
        i440fx_init_memory_mappings(i440fx_state);
    }

    if (pci_enabled) {
        pc_pci_device_init(pci_bus);
    }
}

static void pc_init_pci(ram_addr_t ram_size,
                        const char *boot_device,
                        const char *kernel_filename,
                        const char *kernel_cmdline,
                        const char *initrd_filename,
                        const char *cpu_model)
{
    pc_init1(ram_size, boot_device,
             kernel_filename, kernel_cmdline,
             initrd_filename, cpu_model, 1);
}

static void pc_init_isa(ram_addr_t ram_size,
                        const char *boot_device,
                        const char *kernel_filename,
                        const char *kernel_cmdline,
                        const char *initrd_filename,
                        const char *cpu_model)
{
    if (cpu_model == NULL)
        cpu_model = "486";
    pc_init1(ram_size, boot_device,
             kernel_filename, kernel_cmdline,
             initrd_filename, cpu_model, 0);
}

static QEMUMachine pc_machine = {
    .name = "pc-0.13",
    .alias = "pc",
    .desc = "Standard PC",
    .init = pc_init_pci,
    .max_cpus = 255,
    .is_default = 1,
};

static QEMUMachine pc_machine_v0_12 = {
    .name = "pc-0.12",
    .desc = "Standard PC",
    .init = pc_init_pci,
    .max_cpus = 255,
    .compat_props = (GlobalProperty[]) {
        {
            .driver   = "virtio-serial-pci",
            .property = "max_nr_ports",
            .value    = stringify(1),
        },{
            .driver   = "virtio-serial-pci",
            .property = "vectors",
            .value    = stringify(0),
        },
        { /* end of list */ }
    }
};

static QEMUMachine pc_machine_v0_11 = {
    .name = "pc-0.11",
    .desc = "Standard PC, qemu 0.11",
    .init = pc_init_pci,
    .max_cpus = 255,
    .compat_props = (GlobalProperty[]) {
        {
            .driver   = "virtio-blk-pci",
            .property = "vectors",
            .value    = stringify(0),
        },{
            .driver   = "virtio-serial-pci",
            .property = "max_nr_ports",
            .value    = stringify(1),
        },{
            .driver   = "virtio-serial-pci",
            .property = "vectors",
            .value    = stringify(0),
        },{
            .driver   = "ide-drive",
            .property = "ver",
            .value    = "0.11",
        },{
            .driver   = "scsi-disk",
            .property = "ver",
            .value    = "0.11",
        },{
            .driver   = "PCI",
            .property = "rombar",
            .value    = stringify(0),
        },
        { /* end of list */ }
    }
};

static QEMUMachine pc_machine_v0_10 = {
    .name = "pc-0.10",
    .desc = "Standard PC, qemu 0.10",
    .init = pc_init_pci,
    .max_cpus = 255,
    .compat_props = (GlobalProperty[]) {
        {
            .driver   = "virtio-blk-pci",
            .property = "class",
            .value    = stringify(PCI_CLASS_STORAGE_OTHER),
        },{
            .driver   = "virtio-serial-pci",
            .property = "class",
            .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
        },{
            .driver   = "virtio-serial-pci",
            .property = "max_nr_ports",
            .value    = stringify(1),
        },{
            .driver   = "virtio-serial-pci",
            .property = "vectors",
            .value    = stringify(0),
        },{
            .driver   = "virtio-net-pci",
            .property = "vectors",
            .value    = stringify(0),
        },{
            .driver   = "virtio-blk-pci",
            .property = "vectors",
            .value    = stringify(0),
        },{
            .driver   = "ide-drive",
            .property = "ver",
            .value    = "0.10",
        },{
            .driver   = "scsi-disk",
            .property = "ver",
            .value    = "0.10",
        },{
            .driver   = "PCI",
            .property = "rombar",
            .value    = stringify(0),
        },
        { /* end of list */ }
    },
};

static QEMUMachine isapc_machine = {
    .name = "isapc",
    .desc = "ISA-only PC",
    .init = pc_init_isa,
    .max_cpus = 1,
};

static void pc_machine_init(void)
{
    qemu_register_machine(&pc_machine);
    qemu_register_machine(&pc_machine_v0_12);
    qemu_register_machine(&pc_machine_v0_11);
    qemu_register_machine(&pc_machine_v0_10);
    qemu_register_machine(&isapc_machine);
}

machine_init(pc_machine_init);
Commit	Line	Data
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);