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hw/char: cadence_uart: Convert to memop_with_attrs() ops

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This converts uart_read() and uart_write() to memop_with_attrs() ops.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210901124521.30599-5-bmeng.cn@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Bin Meng 2021-09-13 16:07:21 +01:00 committed by Peter Maydell
parent 983f4adf36
commit 7956a8f5dd
1 changed files with 15 additions and 11 deletions
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26
hw/char/cadence_uart.c
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@ -411,15 +411,15 @@ static void uart_read_rx_fifo(CadenceUARTState *s, uint32_t *c)
uart_update_status(s);
}
static void uart_write(void *opaque, hwaddr offset,
uint64_t value, unsigned size)
static MemTxResult uart_write(void *opaque, hwaddr offset,
uint64_t value, unsigned size, MemTxAttrs attrs)
{
CadenceUARTState *s = opaque;
DB_PRINT(" offset:%x data:%08x\n", (unsigned)offset, (unsigned)value);
offset >>= 2;
if (offset >= CADENCE_UART_R_MAX) {
return;
return MEMTX_DECODE_ERROR;
}
switch (offset) {
case R_IER: /* ier (wts imr) */
@ -466,30 +466,34 @@ static void uart_write(void *opaque, hwaddr offset,
break;
}
uart_update_status(s);
return MEMTX_OK;
}
static uint64_t uart_read(void *opaque, hwaddr offset,
unsigned size)
static MemTxResult uart_read(void *opaque, hwaddr offset,
uint64_t *value, unsigned size, MemTxAttrs attrs)
{
CadenceUARTState *s = opaque;
uint32_t c = 0;
offset >>= 2;
if (offset >= CADENCE_UART_R_MAX) {
c = 0;
} else if (offset == R_TX_RX) {
return MEMTX_DECODE_ERROR;
}
if (offset == R_TX_RX) {
uart_read_rx_fifo(s, &c);
} else {
c = s->r[offset];
c = s->r[offset];
}
DB_PRINT(" offset:%x data:%08x\n", (unsigned)(offset << 2), (unsigned)c);
return c;
*value = c;
return MEMTX_OK;
}
static const MemoryRegionOps uart_ops = {
.read = uart_read,
.write = uart_write,
.read_with_attrs = uart_read,
.write_with_attrs = uart_write,
.endianness = DEVICE_NATIVE_ENDIAN,
};