diff options
Diffstat (limited to 'hw/xilinx_uartlite.c')
-rw-r--r-- | hw/xilinx_uartlite.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/hw/xilinx_uartlite.c b/hw/xilinx_uartlite.c index 467a26cc9e..ceb7b4d9ed 100644 --- a/hw/xilinx_uartlite.c +++ b/hw/xilinx_uartlite.c @@ -49,6 +49,7 @@ struct xlx_uartlite { SysBusDevice busdev; + MemoryRegion mmio; CharDriverState *chr; qemu_irq irq; @@ -82,7 +83,8 @@ static void uart_update_status(struct xlx_uartlite *s) s->regs[R_STATUS] = r; } -static uint32_t uart_readl (void *opaque, target_phys_addr_t addr) +static uint64_t +uart_read(void *opaque, target_phys_addr_t addr, unsigned int size) { struct xlx_uartlite *s = opaque; uint32_t r = 0; @@ -107,9 +109,11 @@ static uint32_t uart_readl (void *opaque, target_phys_addr_t addr) } static void -uart_writel (void *opaque, target_phys_addr_t addr, uint32_t value) +uart_write(void *opaque, target_phys_addr_t addr, + uint64_t val64, unsigned int size) { struct xlx_uartlite *s = opaque; + uint32_t value = val64; unsigned char ch = value; addr >>= 2; @@ -147,16 +151,14 @@ uart_writel (void *opaque, target_phys_addr_t addr, uint32_t value) uart_update_irq(s); } -static CPUReadMemoryFunc * const uart_read[] = { - &uart_readl, - &uart_readl, - &uart_readl, -}; - -static CPUWriteMemoryFunc * const uart_write[] = { - &uart_writel, - &uart_writel, - &uart_writel, +static const MemoryRegionOps uart_ops = { + .read = uart_read, + .write = uart_write, + .endianness = DEVICE_NATIVE_ENDIAN, + .valid = { + .min_access_size = 1, + .max_access_size = 4 + } }; static void uart_rx(void *opaque, const uint8_t *buf, int size) @@ -196,14 +198,12 @@ static void uart_event(void *opaque, int event) static int xilinx_uartlite_init(SysBusDevice *dev) { struct xlx_uartlite *s = FROM_SYSBUS(typeof (*s), dev); - int uart_regs; sysbus_init_irq(dev, &s->irq); uart_update_status(s); - uart_regs = cpu_register_io_memory(uart_read, uart_write, s, - DEVICE_NATIVE_ENDIAN); - sysbus_init_mmio(dev, R_MAX * 4, uart_regs); + memory_region_init_io(&s->mmio, &uart_ops, s, "xilinx-uartlite", R_MAX * 4); + sysbus_init_mmio_region(dev, &s->mmio); s->chr = qdev_init_chardev(&dev->qdev); if (s->chr) |