diff options
| -rw-r--r-- | hw/block/fdc.c | 40 |
1 files changed, 35 insertions, 5 deletions
diff --git a/hw/block/fdc.c b/hw/block/fdc.c index b79873a..094c1e8 100644 --- a/hw/block/fdc.c +++ b/hw/block/fdc.c @@ -52,6 +52,33 @@ } \ } while (0) + +/********************************************************/ +/* qdev floppy bus */ + +#define TYPE_FLOPPY_BUS "floppy-bus" +#define FLOPPY_BUS(obj) OBJECT_CHECK(FloppyBus, (obj), TYPE_FLOPPY_BUS) + +typedef struct FDCtrl FDCtrl; + +typedef struct FloppyBus { + BusState bus; + FDCtrl *fdc; +} FloppyBus; + +static const TypeInfo floppy_bus_info = { + .name = TYPE_FLOPPY_BUS, + .parent = TYPE_BUS, + .instance_size = sizeof(FloppyBus), +}; + +static void floppy_bus_create(FDCtrl *fdc, FloppyBus *bus, DeviceState *dev) +{ + qbus_create_inplace(bus, sizeof(FloppyBus), TYPE_FLOPPY_BUS, dev, NULL); + bus->fdc = fdc; +} + + /********************************************************/ /* Floppy drive emulation */ @@ -148,8 +175,6 @@ static FDriveSize drive_size(FloppyDriveType drive) #define FD_SECTOR_SC 2 /* Sector size code */ #define FD_RESET_SENSEI_COUNT 4 /* Number of sense interrupts on RESET */ -typedef struct FDCtrl FDCtrl; - /* Floppy disk drive emulation */ typedef enum FDiskFlags { FDISK_DBL_SIDES = 0x01, @@ -684,6 +709,7 @@ struct FDCtrl { /* Power down config (also with status regB access mode */ uint8_t pwrd; /* Floppy drives */ + FloppyBus bus; uint8_t num_floppies; FDrive drives[MAX_FD]; int reset_sensei; @@ -2442,7 +2468,8 @@ void sun4m_fdctrl_init(qemu_irq irq, hwaddr io_base, *fdc_tc = qdev_get_gpio_in(dev, 0); } -static void fdctrl_realize_common(FDCtrl *fdctrl, Error **errp) +static void fdctrl_realize_common(DeviceState *dev, FDCtrl *fdctrl, + Error **errp) { int i, j; static int command_tables_inited = 0; @@ -2480,6 +2507,8 @@ static void fdctrl_realize_common(FDCtrl *fdctrl, Error **errp) k->register_channel(fdctrl->dma, fdctrl->dma_chann, &fdctrl_transfer_handler, fdctrl); } + + floppy_bus_create(fdctrl, &fdctrl->bus, dev); fdctrl_connect_drives(fdctrl, errp); } @@ -2508,7 +2537,7 @@ static void isabus_fdc_realize(DeviceState *dev, Error **errp) } qdev_set_legacy_instance_id(dev, isa->iobase, 2); - fdctrl_realize_common(fdctrl, &err); + fdctrl_realize_common(dev, fdctrl, &err); if (err != NULL) { error_propagate(errp, err); return; @@ -2559,7 +2588,7 @@ static void sysbus_fdc_common_realize(DeviceState *dev, Error **errp) FDCtrlSysBus *sys = SYSBUS_FDC(dev); FDCtrl *fdctrl = &sys->state; - fdctrl_realize_common(fdctrl, errp); + fdctrl_realize_common(dev, fdctrl, errp); } FloppyDriveType isa_fdc_get_drive_type(ISADevice *fdc, int i) @@ -2744,6 +2773,7 @@ static void fdc_register_types(void) type_register_static(&sysbus_fdc_type_info); type_register_static(&sysbus_fdc_info); type_register_static(&sun4m_fdc_info); + type_register_static(&floppy_bus_info); } type_init(fdc_register_types) |