Revision a8a00822 hw/syborg_serial.c
| b/hw/syborg_serial.c | ||
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typedef struct {
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SysBusDevice busdev; |
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MemoryRegion iomem; |
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uint32_t int_enable; |
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uint32_t fifo_size; |
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uint32_t *read_fifo; |
| ... | ... | |
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syborg_serial_update(s); |
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} |
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static uint32_t syborg_serial_read(void *opaque, target_phys_addr_t offset) |
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static uint64_t syborg_serial_read(void *opaque, target_phys_addr_t offset, |
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unsigned size) |
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{
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SyborgSerialState *s = (SyborgSerialState *)opaque; |
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uint32_t c; |
| ... | ... | |
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} |
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static void syborg_serial_write(void *opaque, target_phys_addr_t offset, |
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uint32_t value)
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uint64_t value, unsigned size)
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{
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SyborgSerialState *s = (SyborgSerialState *)opaque; |
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unsigned char ch; |
| ... | ... | |
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/* TODO: Report BREAK events? */ |
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} |
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static CPUReadMemoryFunc * const syborg_serial_readfn[] = {
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syborg_serial_read, |
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syborg_serial_read, |
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syborg_serial_read |
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}; |
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static CPUWriteMemoryFunc * const syborg_serial_writefn[] = {
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syborg_serial_write, |
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syborg_serial_write, |
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syborg_serial_write |
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static const MemoryRegionOps syborg_serial_ops = {
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.read = syborg_serial_read, |
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.write = syborg_serial_write, |
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.endianness = DEVICE_NATIVE_ENDIAN, |
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}; |
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static const VMStateDescription vmstate_syborg_serial = {
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| ... | ... | |
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static int syborg_serial_init(SysBusDevice *dev) |
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{
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SyborgSerialState *s = FROM_SYSBUS(SyborgSerialState, dev); |
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int iomemtype; |
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sysbus_init_irq(dev, &s->irq); |
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iomemtype = cpu_register_io_memory(syborg_serial_readfn, |
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syborg_serial_writefn, s, |
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DEVICE_NATIVE_ENDIAN); |
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sysbus_init_mmio(dev, 0x1000, iomemtype); |
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memory_region_init_io(&s->iomem, &syborg_serial_ops, s, |
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"serial", 0x1000); |
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sysbus_init_mmio_region(dev, &s->iomem); |
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s->chr = qdev_init_chardev(&dev->qdev); |
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if (s->chr) {
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qemu_chr_add_handlers(s->chr, syborg_serial_can_receive, |
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