diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/fdc.c | 53 |
1 files changed, 33 insertions, 20 deletions
@@ -424,6 +424,7 @@ typedef struct FDCtrlSysBus { typedef struct FDCtrlISABus { ISADevice busdev; + MemoryRegion io_0, io_7; struct FDCtrl state; int32_t bootindexA; int32_t bootindexB; @@ -489,16 +490,6 @@ static void fdctrl_write (void *opaque, uint32_t reg, uint32_t value) } } -static uint32_t fdctrl_read_port (void *opaque, uint32_t reg) -{ - return fdctrl_read(opaque, reg & 7); -} - -static void fdctrl_write_port (void *opaque, uint32_t reg, uint32_t value) -{ - fdctrl_write(opaque, reg & 7, value); -} - static uint32_t fdctrl_read_mem (void *opaque, target_phys_addr_t reg) { return fdctrl_read(opaque, (uint32_t)reg); @@ -1889,6 +1880,34 @@ static int fdctrl_init_common(FDCtrl *fdctrl) return fdctrl_connect_drives(fdctrl); } +static uint32_t fdctrl_read_port_7(void *opaque, uint32_t reg) +{ + return fdctrl_read(opaque, reg + 7); +} + +static void fdctrl_write_port_7(void *opaque, uint32_t reg, uint32_t value) +{ + fdctrl_write(opaque, reg + 7, value); +} + +static const MemoryRegionPortio fdc_portio_0[] = { + { 1, 5, 1, .read = fdctrl_read, .write = fdctrl_write }, + PORTIO_END_OF_LIST() +}; + +static const MemoryRegionPortio fdc_portio_7[] = { + { 0, 1, 1, .read = fdctrl_read_port_7, .write = fdctrl_write_port_7 }, + PORTIO_END_OF_LIST() +}; + +static const MemoryRegionOps fdc_ioport_0_ops = { + .old_portio = fdc_portio_0 +}; + +static const MemoryRegionOps fdc_ioport_7_ops = { + .old_portio = fdc_portio_7 +}; + static int isabus_fdc_init1(ISADevice *dev) { FDCtrlISABus *isa = DO_UPCAST(FDCtrlISABus, busdev, dev); @@ -1898,16 +1917,10 @@ static int isabus_fdc_init1(ISADevice *dev) int dma_chann = 2; int ret; - register_ioport_read(iobase + 0x01, 5, 1, - &fdctrl_read_port, fdctrl); - register_ioport_read(iobase + 0x07, 1, 1, - &fdctrl_read_port, fdctrl); - register_ioport_write(iobase + 0x01, 5, 1, - &fdctrl_write_port, fdctrl); - register_ioport_write(iobase + 0x07, 1, 1, - &fdctrl_write_port, fdctrl); - isa_init_ioport_range(dev, iobase, 6); - isa_init_ioport(dev, iobase + 7); + memory_region_init_io(&isa->io_0, &fdc_ioport_0_ops, fdctrl, "fdc", 6); + memory_region_init_io(&isa->io_7, &fdc_ioport_7_ops, fdctrl, "fdc", 1); + isa_register_ioport(dev, &isa->io_0, iobase); + isa_register_ioport(dev, &isa->io_7, iobase + 7); isa_init_irq(&isa->busdev, &fdctrl->irq, isairq); fdctrl->dma_chann = dma_chann; |