sim: bfin: fix UART LSR read-only bit saturation

[deliverable/binutils-gdb.git] / sim / bfin / dv-bfin_uart2.c

diff --git a/sim/bfin/dv-bfin_uart2.c b/sim/bfin/dv-bfin_uart2.c
index facde1c6cd24a3c6aaf3a650f7089e39b814eadb..179574d30df53cab07913c83464b726f901f373d 100644 (file)
--- a/sim/bfin/dv-bfin_uart2.c
+++ b/sim/bfin/dv-bfin_uart2.c
@@ -151,6 +151,7 @@ bfin_uart_io_read_buffer (struct hw *me, void *dest,
       bfin_uart_reschedule (me);
       break;
     case mmr_offset(lsr):
+      uart->lsr &= ~(DR | THRE | TEMT);
       uart->lsr |= bfin_uart_get_status (me);
     case mmr_offset(thr):
     case mmr_offset(msr):