diff options
Diffstat (limited to 'sys/isa/sio.c')
| -rw-r--r-- | sys/isa/sio.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/sys/isa/sio.c b/sys/isa/sio.c index 859164d..a29b704 100644 --- a/sys/isa/sio.c +++ b/sys/isa/sio.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * from: @(#)com.c 7.5 (Berkeley) 5/16/91 - * $Id: sio.c,v 1.77 1995/03/28 19:22:11 ache Exp $ + * $Id: sio.c,v 1.78 1995/03/29 19:05:13 ache Exp $ */ #include "sio.h" @@ -1098,16 +1098,13 @@ siointr1(com) recv_data = 0; else recv_data = inb(com->data_port); - if (line_status & (LSR_PE|LSR_OE|LSR_FE|LSR_BI)) { - if (line_status & LSR_OE) - CE_RECORD(com, CE_OVERRUN); + if (line_status & (LSR_PE|LSR_FE|LSR_BI)) { /* Don't store PE if IGNPAR and BI if IGNBRK, this hack allows "raw" tty optimization works even if IGN* is set. - Assume TTY_OE mapped to TTY_PE */ - if ( (line_status & (LSR_PE|LSR_OE|LSR_FE)) + if ( (line_status & (LSR_PE|LSR_FE)) && (com->tp->t_iflag & IGNPAR) || (line_status & LSR_BI) && (com->tp->t_iflag & IGNBRK)) @@ -1141,6 +1138,8 @@ if (com->iptr - com->ibuf == 8) && com->state & CS_RTS_IFLOW) outb(com->modem_ctl_port, com->mcr_image &= ~MCR_RTS); + if (line_status & LSR_OE) + CE_RECORD(com, CE_OVERRUN); } cont: /* @@ -1570,8 +1569,7 @@ repeat: /* Zero PE & FE chars per POSIX spec. and 4.4 ttyinput() */ while (cnt--) { if ( (scan[CE_INPUT_OFFSET] & LSR_FE) - /* Assume TTY_OE mapped to TTY_PE */ - || (scan[CE_INPUT_OFFSET] & (LSR_PE|LSR_OE)) + || (scan[CE_INPUT_OFFSET] & LSR_PE) && (tp->t_iflag & INPCK)) scan[0] = 0; scan++; @@ -1599,10 +1597,8 @@ repeat: recv_data = (u_char) *buf++; if (line_status & (LSR_BI | LSR_FE | LSR_OE | LSR_PE)) { - /* char must be 0 to detect */ - /* break in ttyinput() */ if (line_status & LSR_BI) - recv_data = TTY_BI; + recv_data |= TTY_BI; if (line_status & LSR_FE) recv_data |= TTY_FE; if (line_status & LSR_OE) |
