The printf(3) function has support for the %X format specifier, to output
an unsigned hexadecimal integer in uppercase.
This can be achived in GRUB using the %x format specifier in grub_printf()
and calling grub_toupper(), but it is more convenient if there is support
for %X in grub_printf().
Signed-off-by: Paulo Flabiano Smorigo <pfsmorigo@br.ibm.com>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
8c2c35dcc0