diff options
Diffstat (limited to 'bsps/i386/pc386/console/vgacons.c')
| -rw-r--r-- | bsps/i386/pc386/console/vgacons.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/bsps/i386/pc386/console/vgacons.c b/bsps/i386/pc386/console/vgacons.c index 9aa1ed4fb1..a3b326d8e1 100644 --- a/bsps/i386/pc386/console/vgacons.c +++ b/bsps/i386/pc386/console/vgacons.c @@ -170,8 +170,12 @@ bool vgacons_probe( rtems_status_code status; static bool firstTime = true; - if ((*(unsigned char*) NB_MAX_ROW_ADDR == 0) && - (*(unsigned short*)NB_MAX_COL_ADDR == 0)) { + /* + * See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99578#c16 + */ + const uint8_t* volatile nb_max_row = (const uint8_t*) NB_MAX_ROW_ADDR; + const uint16_t* volatile nb_max_col = (const uint16_t*) NB_MAX_COL_ADDR; + if ((*nb_max_row == 0) && (*nb_max_col == 0)) { return false; } |