In vt100 a '\b' moves the cursor left, but without deleting the character under the cursor. In UEFI the character under the cursor is removed instead. Catch '\b' and manually move the cursor left without deleting the character. Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> --- drivers/serial/efi-stdio.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/serial/efi-stdio.c b/drivers/serial/efi-stdio.c index d512cc3e01..beef911a16 100644 --- a/drivers/serial/efi-stdio.c +++ b/drivers/serial/efi-stdio.c @@ -329,6 +329,13 @@ static int efi_console_puts(struct console_device *cdev, const char *s, efi_console_add_char(priv, ' '); pos++; break; + case '\b': + n = priv->out->mode->cursor_column; + if (n > 0) + priv->out->set_cursor_position(priv->out, + n - 1, priv->out->mode->cursor_row); + pos++; + break; default: efi_console_add_char(priv, s[pos]); pos++; -- 2.30.2 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
