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gdbstub: support the use of recvbuf and sendbuf

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Signed-off-by: yangsong8 <yangsong8@xiaomi.com>
This commit is contained in:
yangsong8 2024-08-20 16:38:42 +08:00 • committed by Xiang Xiao
parent e007ace00d
commit 81d704cd82
1 changed files with 47 additions and 8 deletions
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55
drivers/serial/serial_gdbstub.c
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@ -78,7 +78,7 @@ static void uart_gdbstub_attach(FAR struct uart_gdbstub_s *uart_gdbstub,
uart_setup(dev);
uart_attach(dev);
uart_enablerxint(dev);
uart_disablerxint(dev);
}
/****************************************************************************
@ -128,13 +128,36 @@ static int uart_gdbstub_panic_callback(FAR struct notifier_block *nb,
if (uart_gdbstub->console == uart_gdbstub->dev &&
uart_gdbstub->org_ops != NULL)
{
ch = uart_gdbstub->org_ops->receive(uart_gdbstub->console,
&status);
if (uart_gdbstub->org_ops->recvbuf)
{
if (uart_gdbstub->org_ops->rxavailable(uart_gdbstub->console))
{
uart_gdbstub->org_ops->recvbuf(uart_gdbstub->console,
&ch, 1);
}
}
else
{
ch = uart_gdbstub->org_ops->receive(uart_gdbstub->console,
&status);
}
}
else
{
ch = uart_gdbstub->console->ops->receive(uart_gdbstub->console,
&status);
if (uart_gdbstub->console->ops->recvbuf)
{
if (uart_gdbstub->console->ops->rxavailable(
uart_gdbstub->console))
{
uart_gdbstub->console->ops->recvbuf(uart_gdbstub->console,
&ch, 1);
}
}
else
{
ch = uart_gdbstub->console->ops->receive(uart_gdbstub->console,
&status);
}
}
if (ch == 'Y' || ch == 'y')
@ -163,7 +186,7 @@ static int uart_gdbstub_panic_callback(FAR struct notifier_block *nb,
"target-charset ASCII\" -ex \"target remote /dev/ttyUSB0\"\n");
syslog_flush();
gdb_process(uart_gdbstub->state, GDB_STOPREASON_CTRLC, NULL);
gdb_process(uart_gdbstub->state, GDB_STOPREASON_NONE, NULL);
return 0;
}
@ -206,7 +229,14 @@ static ssize_t uart_gdbstub_receive(FAR void *priv, FAR void *buf,
{
if (uart_gdbstub->org_ops->rxavailable(dev))
{
ptr[i++] = uart_gdbstub->org_ops->receive(dev, &state);
if (uart_gdbstub->org_ops->recvbuf)
{
i += uart_gdbstub->org_ops->recvbuf(dev, ptr + i, len - i);
}
else
{
ptr[i++] = uart_gdbstub->org_ops->receive(dev, &state);
}
}
}
@ -231,10 +261,19 @@ static ssize_t uart_gdbstub_send(FAR void *priv, FAR void *buf, size_t len)
{
if (uart_gdbstub->org_ops->txready(dev))
{
uart_gdbstub->org_ops->send(dev, ((FAR char *)buf)[i++]);
if (uart_gdbstub->org_ops->sendbuf)
{
i += uart_gdbstub->org_ops->sendbuf(dev, buf + i, len - i);
}
else
{
uart_gdbstub->org_ops->send(dev, ((FAR char *)buf)[i++]);
}
}
}
while (!uart_gdbstub->org_ops->txempty(dev));
return len;
}