Symbol: SR_OVERRUN
sys/arch/sgimips/dev/scn.c
1402
if (sr & (SR_PARITY | SR_FRAME | SR_BREAK | SR_OVERRUN)) \
sys/arch/sgimips/dev/scn.c
1552
if (sr & SR_OVERRUN) {
sys/arch/vax/uba/qvaux.c
441
if ((stat[line] & SR_OVERRUN) && overrun == 0) { // ?