diff options
Diffstat (limited to 'qemu/hw/ide/isa.c')
| -rw-r--r-- | qemu/hw/ide/isa.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/qemu/hw/ide/isa.c b/qemu/hw/ide/isa.c new file mode 100644 index 000000000..9f80503fa --- /dev/null +++ b/qemu/hw/ide/isa.c @@ -0,0 +1,134 @@ +/* + * 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/i386/pc.h> +#include <hw/isa/isa.h> +#include "sysemu/block-backend.h" +#include "sysemu/dma.h" + +#include <hw/ide/internal.h> + +/***********************************************************/ +/* ISA IDE definitions */ + +#define TYPE_ISA_IDE "isa-ide" +#define ISA_IDE(obj) OBJECT_CHECK(ISAIDEState, (obj), TYPE_ISA_IDE) + +typedef struct ISAIDEState { + ISADevice parent_obj; + + IDEBus bus; + uint32_t iobase; + uint32_t iobase2; + uint32_t isairq; + qemu_irq irq; +} ISAIDEState; + +static void isa_ide_reset(DeviceState *d) +{ + ISAIDEState *s = ISA_IDE(d); + + ide_bus_reset(&s->bus); +} + +static const VMStateDescription vmstate_ide_isa = { + .name = "isa-ide", + .version_id = 3, + .minimum_version_id = 0, + .fields = (VMStateField[]) { + VMSTATE_IDE_BUS(bus, ISAIDEState), + VMSTATE_IDE_DRIVES(bus.ifs, ISAIDEState), + VMSTATE_END_OF_LIST() + } +}; + +static void isa_ide_realizefn(DeviceState *dev, Error **errp) +{ + ISADevice *isadev = ISA_DEVICE(dev); + ISAIDEState *s = ISA_IDE(dev); + + ide_bus_new(&s->bus, sizeof(s->bus), dev, 0, 2); + ide_init_ioport(&s->bus, isadev, s->iobase, s->iobase2); + isa_init_irq(isadev, &s->irq, s->isairq); + ide_init2(&s->bus, s->irq); + vmstate_register(dev, 0, &vmstate_ide_isa, s); + ide_register_restart_cb(&s->bus); +} + +ISADevice *isa_ide_init(ISABus *bus, int iobase, int iobase2, int isairq, + DriveInfo *hd0, DriveInfo *hd1) +{ + DeviceState *dev; + ISADevice *isadev; + ISAIDEState *s; + + isadev = isa_create(bus, TYPE_ISA_IDE); + dev = DEVICE(isadev); + qdev_prop_set_uint32(dev, "iobase", iobase); + qdev_prop_set_uint32(dev, "iobase2", iobase2); + qdev_prop_set_uint32(dev, "irq", isairq); + qdev_init_nofail(dev); + + s = ISA_IDE(dev); + if (hd0) { + ide_create_drive(&s->bus, 0, hd0); + } + if (hd1) { + ide_create_drive(&s->bus, 1, hd1); + } + return isadev; +} + +static Property isa_ide_properties[] = { + DEFINE_PROP_UINT32("iobase", ISAIDEState, iobase, 0x1f0), + DEFINE_PROP_UINT32("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); + + dc->realize = isa_ide_realizefn; + dc->fw_name = "ide"; + dc->reset = isa_ide_reset; + dc->props = isa_ide_properties; + set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); +} + +static const TypeInfo isa_ide_info = { + .name = TYPE_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) |