X-Git-Url: https://repo.jachan.dev/qemu.git/blobdiff_plain/34daffa04886444dafd4a6951167225e824003d0..39829a01ae524788c68dc0794e6912faa898eb75:/hw/ide/mmio.c diff --git a/hw/ide/mmio.c b/hw/ide/mmio.c index eb59976eda..6f12f456ed 100644 --- a/hw/ide/mmio.c +++ b/hw/ide/mmio.c @@ -22,11 +22,13 @@ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ -#include -#include "block/block.h" +#include "qemu/osdep.h" +#include "hw/hw.h" +#include "hw/sysbus.h" +#include "sysemu/block-backend.h" #include "sysemu/dma.h" -#include +#include "hw/ide/internal.h" /***********************************************************/ /* MMIO based ide port @@ -34,15 +36,24 @@ * dedicated ide controller, which is often seen on embedded boards. */ -typedef struct { +#define TYPE_MMIO_IDE "mmio-ide" +#define MMIO_IDE(obj) OBJECT_CHECK(MMIOState, (obj), TYPE_MMIO_IDE) + +typedef struct MMIOIDEState { + /*< private >*/ + SysBusDevice parent_obj; + /*< public >*/ + IDEBus bus; - int shift; + + uint32_t shift; + qemu_irq irq; MemoryRegion iomem1, iomem2; } MMIOState; -static void mmio_ide_reset(void *opaque) +static void mmio_ide_reset(DeviceState *dev) { - MMIOState *s = opaque; + MMIOState *s = MMIO_IDE(dev); ide_bus_reset(&s->bus); } @@ -72,7 +83,7 @@ static void mmio_ide_write(void *opaque, hwaddr addr, static const MemoryRegionOps mmio_ide_ops = { .read = mmio_ide_read, .write = mmio_ide_write, - .endianness = DEVICE_NATIVE_ENDIAN, + .endianness = DEVICE_LITTLE_ENDIAN, }; static uint64_t mmio_ide_status_read(void *opaque, hwaddr addr, @@ -92,39 +103,82 @@ static void mmio_ide_cmd_write(void *opaque, hwaddr addr, static const MemoryRegionOps mmio_ide_cs_ops = { .read = mmio_ide_status_read, .write = mmio_ide_cmd_write, - .endianness = DEVICE_NATIVE_ENDIAN, + .endianness = DEVICE_LITTLE_ENDIAN, }; static const VMStateDescription vmstate_ide_mmio = { .name = "mmio-ide", .version_id = 3, .minimum_version_id = 0, - .minimum_version_id_old = 0, - .fields = (VMStateField []) { + .fields = (VMStateField[]) { VMSTATE_IDE_BUS(bus, MMIOState), VMSTATE_IDE_DRIVES(bus.ifs, MMIOState), VMSTATE_END_OF_LIST() } }; -void mmio_ide_init (hwaddr membase, hwaddr membase2, - MemoryRegion *address_space, - qemu_irq irq, int shift, - DriveInfo *hd0, DriveInfo *hd1) +static void mmio_ide_realizefn(DeviceState *dev, Error **errp) +{ + SysBusDevice *d = SYS_BUS_DEVICE(dev); + MMIOState *s = MMIO_IDE(dev); + + ide_init2(&s->bus, s->irq); + + memory_region_init_io(&s->iomem1, OBJECT(s), &mmio_ide_ops, s, + "ide-mmio.1", 16 << s->shift); + memory_region_init_io(&s->iomem2, OBJECT(s), &mmio_ide_cs_ops, s, + "ide-mmio.2", 2 << s->shift); + sysbus_init_mmio(d, &s->iomem1); + sysbus_init_mmio(d, &s->iomem2); +} + +static void mmio_ide_initfn(Object *obj) +{ + SysBusDevice *d = SYS_BUS_DEVICE(obj); + MMIOState *s = MMIO_IDE(obj); + + ide_bus_new(&s->bus, sizeof(s->bus), DEVICE(obj), 0, 2); + sysbus_init_irq(d, &s->irq); +} + +static Property mmio_ide_properties[] = { + DEFINE_PROP_UINT32("shift", MMIOState, shift, 0), + DEFINE_PROP_END_OF_LIST() +}; + +static void mmio_ide_class_init(ObjectClass *oc, void *data) { - MMIOState *s = g_malloc0(sizeof(MMIOState)); + DeviceClass *dc = DEVICE_CLASS(oc); + + dc->realize = mmio_ide_realizefn; + dc->reset = mmio_ide_reset; + dc->props = mmio_ide_properties; + dc->vmsd = &vmstate_ide_mmio; +} + +static const TypeInfo mmio_ide_type_info = { + .name = TYPE_MMIO_IDE, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(MMIOState), + .instance_init = mmio_ide_initfn, + .class_init = mmio_ide_class_init, +}; - ide_init2_with_non_qdev_drives(&s->bus, hd0, hd1, irq); +static void mmio_ide_register_types(void) +{ + type_register_static(&mmio_ide_type_info); +} - s->shift = shift; +void mmio_ide_init_drives(DeviceState *dev, DriveInfo *hd0, DriveInfo *hd1) +{ + MMIOState *s = MMIO_IDE(dev); - memory_region_init_io(&s->iomem1, &mmio_ide_ops, s, - "ide-mmio.1", 16 << shift); - memory_region_init_io(&s->iomem2, &mmio_ide_cs_ops, s, - "ide-mmio.2", 2 << shift); - memory_region_add_subregion(address_space, membase, &s->iomem1); - memory_region_add_subregion(address_space, membase2, &s->iomem2); - vmstate_register(NULL, 0, &vmstate_ide_mmio, s); - qemu_register_reset(mmio_ide_reset, s); + if (hd0 != NULL) { + ide_create_drive(&s->bus, 0, hd0); + } + if (hd1 != NULL) { + ide_create_drive(&s->bus, 1, hd1); + } } +type_init(mmio_ide_register_types)