In the extended text input protocol support input of control letters 0x1c - 0x1f.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com Reviewed-by: Simon Glass sjg@chromium.org --- v2: add missing break --- lib/efi_loader/efi_console.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/lib/efi_loader/efi_console.c b/lib/efi_loader/efi_console.c index 3164fd484e..56f197f39a 100644 --- a/lib/efi_loader/efi_console.c +++ b/lib/efi_loader/efi_console.c @@ -993,6 +993,7 @@ static efi_status_t EFIAPI efi_cin_read_key_stroke_ex( /* * CTRL+A - CTRL+Z have to be signaled as a - z. * SHIFT+CTRL+A - SHIFT+CTRL+Z have to be signaled as A - Z. + * CTRL+\ - CTRL+_ have to be signaled as \ - _. */ switch (next_key.key.unicode_char) { case 0x01 ... 0x07: @@ -1005,6 +1006,9 @@ static efi_status_t EFIAPI efi_cin_read_key_stroke_ex( next_key.key.unicode_char += 0x40; else next_key.key.unicode_char += 0x60; + break; + case 0x1c ... 0x1f: + next_key.key.unicode_char += 0x40; } *key_data = next_key; key_available = false;