Archipelago » qemu

/*

 * QEMU IDE Emulation: ISA Bus support.

 *

 * Copyright (c) 2003 Fabrice Bellard

 * Copyright (c) 2006 Openedhand Ltd.

 *

 * 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/hw.h>

#include <hw/pc.h>

#include <hw/isa.h>

#include "block.h"

#include "dma.h"

#include <hw/ide/internal.h>

/***********************************************************/

/* ISA IDE definitions */

typedef struct ISAIDEState {

    ISADevice dev;

    IDEBus    bus;

    uint32_t  iobase;

    uint32_t  iobase2;

    uint32_t  isairq;

    qemu_irq  irq;

} ISAIDEState;

static void isa_ide_reset(DeviceState *d)

{

    ISAIDEState *s = container_of(d, ISAIDEState, dev.qdev);

    ide_bus_reset(&s->bus);

}

static const VMStateDescription vmstate_ide_isa = {

    .name = "isa-ide",

    .version_id = 3,

    .minimum_version_id = 0,

    .minimum_version_id_old = 0,

    .fields      = (VMStateField []) {

        VMSTATE_IDE_BUS(bus, ISAIDEState),

        VMSTATE_IDE_DRIVES(bus.ifs, ISAIDEState),

        VMSTATE_END_OF_LIST()

    }

};

static int isa_ide_initfn(ISADevice *dev)

{

    ISAIDEState *s = DO_UPCAST(ISAIDEState, dev, dev);

    ide_bus_new(&s->bus, &s->dev.qdev, 0);

    ide_init_ioport(&s->bus, dev, s->iobase, s->iobase2);

    isa_init_irq(dev, &s->irq, s->isairq);

    ide_init2(&s->bus, s->irq);

    vmstate_register(&dev->qdev, 0, &vmstate_ide_isa, s);

    return 0;

};

ISADevice *isa_ide_init(ISABus *bus, int iobase, int iobase2, int isairq,

                        DriveInfo *hd0, DriveInfo *hd1)

{

    ISADevice *dev;

    ISAIDEState *s;

    dev = isa_create(bus, "isa-ide");

    qdev_prop_set_uint32(&dev->qdev, "iobase",  iobase);

    qdev_prop_set_uint32(&dev->qdev, "iobase2", iobase2);

    qdev_prop_set_uint32(&dev->qdev, "irq",     isairq);

    if (qdev_init(&dev->qdev) < 0)

        return NULL;

    s = DO_UPCAST(ISAIDEState, dev, dev);

    if (hd0)

        ide_create_drive(&s->bus, 0, hd0);

    if (hd1)

        ide_create_drive(&s->bus, 1, hd1);

    return dev;

}

static Property isa_ide_properties[] = {

    DEFINE_PROP_HEX32("iobase",  ISAIDEState, iobase,  0x1f0),

    DEFINE_PROP_HEX32("iobase2", ISAIDEState, iobase2, 0x3f6),

    DEFINE_PROP_UINT32("irq",    ISAIDEState, isairq,  14),

    DEFINE_PROP_END_OF_LIST(),

};

static void isa_ide_class_initfn(ObjectClass *klass, void *data)

{

    DeviceClass *dc = DEVICE_CLASS(klass);

    ISADeviceClass *ic = ISA_DEVICE_CLASS(klass);

    ic->init = isa_ide_initfn;

    dc->fw_name = "ide";

    dc->reset = isa_ide_reset;

    dc->props = isa_ide_properties;

}

static TypeInfo isa_ide_info = {

    .name          = "isa-ide",

    .parent        = TYPE_ISA_DEVICE,

    .instance_size = sizeof(ISAIDEState),

    .class_init    = isa_ide_class_initfn,

};

static void isa_ide_register_types(void)

{

    type_register_static(&isa_ide_info);

}

type_init(isa_ide_register_types)