serial: sandbox: support Unicode

Due to a conversion error the sandbox does not accept byte values 0x80-0xff
from the keyboard. The UEFI extended text input unit test requires Unicode
support.

Use unsigned char for the serial buffer.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
This commit is contained in:
Heinrich Schuchardt 2019-11-09 10:59:02 +01:00 committed by Simon Glass
parent 15ab77c203
commit 5e5c785e34

View File

@ -33,7 +33,7 @@ DECLARE_GLOBAL_DATA_PTR;
* serial_buf_write == serial_buf_read -> empty buffer
* (serial_buf_write + 1) % 16 == serial_buf_read -> full buffer
*/
static char serial_buf[16];
static unsigned char serial_buf[16];
static unsigned int serial_buf_write;
static unsigned int serial_buf_read;