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serial: sandbox: Implement puts

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This implements puts for sandbox. It is fairly straightforward, except
that we break out the shared color printing functionality into its own
function.

Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Sean Anderson 2022-04-04 14:17:58 -04:00 committed by Tom Rini
parent 2c777488b6
commit efa51f2bd6
2 changed files with 21 additions and 1 deletions
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1
drivers/serial/Kconfig
View File

@ -779,6 +779,7 @@ config S5P_SERIAL
config SANDBOX_SERIAL
bool "Sandbox UART support"
depends on SANDBOX
imply SERIAL_PUTS
help
Select this to enable a seral UART for sandbox. This is required to
operate correctly, otherwise you will see no serial output from

21
drivers/serial/sandbox.c
View File

@ -67,7 +67,7 @@ static int sandbox_serial_remove(struct udevice *dev)
return 0;
}
static int sandbox_serial_putc(struct udevice *dev, const char ch)
static void sandbox_print_color(struct udevice *dev)
{
struct sandbox_serial_priv *priv = dev_get_priv(dev);
struct sandbox_serial_plat *plat = dev_get_plat(dev);
@ -78,7 +78,13 @@ static int sandbox_serial_putc(struct udevice *dev, const char ch)
priv->start_of_line = false;
output_ansi_colour(plat->colour);
}
}
static int sandbox_serial_putc(struct udevice *dev, const char ch)
{
struct sandbox_serial_priv *priv = dev_get_priv(dev);
sandbox_print_color(dev);
os_write(1, &ch, 1);
if (ch == '\n')
priv->start_of_line = true;
@ -86,6 +92,18 @@ static int sandbox_serial_putc(struct udevice *dev, const char ch)
return 0;
}
static ssize_t sandbox_serial_puts(struct udevice *dev, const char *s,
size_t len)
{
struct sandbox_serial_priv *priv = dev_get_priv(dev);
sandbox_print_color(dev);
if (s[len - 1] == '\n')
priv->start_of_line = true;
return os_write(1, s, len);
}
static int sandbox_serial_pending(struct udevice *dev, bool input)
{
struct sandbox_serial_priv *priv = dev_get_priv(dev);
@ -212,6 +230,7 @@ static int sandbox_serial_of_to_plat(struct udevice *dev)
static const struct dm_serial_ops sandbox_serial_ops = {
.putc = sandbox_serial_putc,
.puts = sandbox_serial_puts,
.pending = sandbox_serial_pending,
.getc = sandbox_serial_getc,
.getconfig = sandbox_serial_getconfig,