diff options
Diffstat (limited to 'drivers/tty/vt/vt.c')
| -rw-r--r-- | drivers/tty/vt/vt.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index e35f7a31a7bd..463be4e48dc8 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -2893,9 +2893,13 @@ static bool vc_is_control(struct vc_data *vc, int tc, int c) * as cursor movement) and should not be displayed as a glyph unless * the disp_ctrl mode is explicitly enabled. */ - static const u32 CTRL_ACTION = 0x0d00ff81; + static const u32 CTRL_ACTION = BIT(ASCII_NULL) | + GENMASK(ASCII_SHIFTIN, ASCII_BELL) | BIT(ASCII_CANCEL) | + BIT(ASCII_SUBSTITUTE) | BIT(ASCII_ESCAPE); /* Cannot be overridden by disp_ctrl */ - static const u32 CTRL_ALWAYS = 0x0800f501; + static const u32 CTRL_ALWAYS = BIT(ASCII_NULL) | BIT(ASCII_BACKSPACE) | + BIT(ASCII_LINEFEED) | BIT(ASCII_SHIFTIN) | BIT(ASCII_SHIFTOUT) | + BIT(ASCII_CAR_RET) | BIT(ASCII_FORMFEED) | BIT(ASCII_ESCAPE); if (vc->vc_state != ESnormal) return true; @@ -2912,7 +2916,7 @@ static bool vc_is_control(struct vc_data *vc, int tc, int c) * useless without them; to display an arbitrary font position use the * direct-to-font zone in UTF-8 mode. */ - if (c < ' ') { + if (c < BITS_PER_TYPE(CTRL_ALWAYS)) { if (vc->vc_disp_ctrl) return CTRL_ALWAYS & BIT(c); else |