Change all siointr (expect in Vsio, of course) to comintr1
This saves two commands per each direct comintr1 call, allows some strict check in siointr and also fix bug with suspended output on multiport cards
This commit is contained in:
Andrey A. Chernov
parent
958896a15f
commit
63ba5191a4
@ -31,7 +31,7 @@
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* SUCH DAMAGE.
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*
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* from: @(#)com.c 7.5 (Berkeley) 5/16/91
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* $Id: sio.c,v 1.25 1994/01/31 19:07:59 ache Exp $
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* $Id: sio.c,v 1.27 1994/02/06 11:59:35 ache Exp $
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*/
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#include "sio.h"
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@ -239,9 +239,7 @@ static int sioattach __P((struct isa_device *dev));
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static void comflush __P((struct com_s *com));
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static void comhardclose __P((struct com_s *com));
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static void cominit __P((int unit, int rate));
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#ifdef COM_MULTIPORT
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static void comintr1 __P((struct com_s *com));
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#endif /* COM_MULTIPORT */
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static void commctl __P((struct com_s *com, int bits, int how));
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static int comparam __P((struct tty *tp, struct termios *t));
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static int sioprobe __P((struct isa_device *dev));
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@ -851,18 +849,14 @@ siointr(unit)
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int unit;
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{
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struct com_s *com;
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#ifndef COM_MULTIPORT
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u_char line_status;
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u_char modem_status;
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u_char *ioptr;
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u_char recv_data;
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#ifndef COM_MULTIPORT
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com = com_addr(unit);
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if (com != NULL)
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comintr1(com);
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#else /* COM_MULTIPORT */
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bool_t possibly_more_intrs;
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com = com_addr(unit);
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comintr1(com);
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/*
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* Loop until there is no activity on any port. This is necessary
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* to get an interrupt edge more than to avoid another interrupt.
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@ -886,7 +880,7 @@ siointr(unit)
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}
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}
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} while (possibly_more_intrs);
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return;
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#endif /* COM_MULTIPORT */
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}
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static void
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@ -897,7 +891,6 @@ comintr1(com)
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u_char modem_status;
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u_char *ioptr;
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u_char recv_data;
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#endif /* COM_MULTIPORT */
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while (TRUE) {
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line_status = inb(com->line_status_port);
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@ -1486,7 +1479,7 @@ comparam(tp, t)
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* case.
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*/
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if (com->state >= (CS_BUSY | CS_TTGO))
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siointr(unit);
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comintr1(com);
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enable_intr();
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splx(s);
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@ -1532,7 +1525,7 @@ comstart(tp)
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}
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if (com->ocount != 0) {
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disable_intr();
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siointr(unit);
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comintr1(com);
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enable_intr();
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} else if (RB_LEN(&tp->t_out) != 0) {
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tp->t_state |= TS_BUSY;
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@ -1541,7 +1534,7 @@ comstart(tp)
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com->obufend = (com->optr = (u_char *) tp->t_out.rb_hd)
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+ com->ocount;
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com->state |= CS_BUSY;
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siointr(unit); /* fake interrupt to start output */
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comintr1(com); /* fake interrupt to start output */
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enable_intr();
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}
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out:
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@ -1624,7 +1617,7 @@ comwakeup(chan, ticks)
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com = com_addr(unit);
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if (com != NULL && com->state >= (CS_BUSY | CS_TTGO)) {
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disable_intr();
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siointr(unit);
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comintr1(com);
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enable_intr();
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}
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}
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@ -31,7 +31,7 @@
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* SUCH DAMAGE.
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*
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* from: @(#)com.c 7.5 (Berkeley) 5/16/91
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* $Id: sio.c,v 1.25 1994/01/31 19:07:59 ache Exp $
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* $Id: sio.c,v 1.27 1994/02/06 11:59:35 ache Exp $
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*/
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#include "sio.h"
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@ -239,9 +239,7 @@ static int sioattach __P((struct isa_device *dev));
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static void comflush __P((struct com_s *com));
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static void comhardclose __P((struct com_s *com));
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static void cominit __P((int unit, int rate));
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#ifdef COM_MULTIPORT
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static void comintr1 __P((struct com_s *com));
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#endif /* COM_MULTIPORT */
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static void commctl __P((struct com_s *com, int bits, int how));
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static int comparam __P((struct tty *tp, struct termios *t));
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static int sioprobe __P((struct isa_device *dev));
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@ -851,18 +849,14 @@ siointr(unit)
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int unit;
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{
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struct com_s *com;
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#ifndef COM_MULTIPORT
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u_char line_status;
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u_char modem_status;
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u_char *ioptr;
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u_char recv_data;
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#ifndef COM_MULTIPORT
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com = com_addr(unit);
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if (com != NULL)
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comintr1(com);
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#else /* COM_MULTIPORT */
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bool_t possibly_more_intrs;
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com = com_addr(unit);
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comintr1(com);
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/*
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* Loop until there is no activity on any port. This is necessary
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* to get an interrupt edge more than to avoid another interrupt.
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@ -886,7 +880,7 @@ siointr(unit)
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}
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}
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} while (possibly_more_intrs);
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return;
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#endif /* COM_MULTIPORT */
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}
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static void
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@ -897,7 +891,6 @@ comintr1(com)
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u_char modem_status;
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u_char *ioptr;
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u_char recv_data;
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#endif /* COM_MULTIPORT */
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while (TRUE) {
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line_status = inb(com->line_status_port);
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@ -1486,7 +1479,7 @@ comparam(tp, t)
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* case.
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*/
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if (com->state >= (CS_BUSY | CS_TTGO))
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siointr(unit);
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comintr1(com);
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enable_intr();
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splx(s);
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@ -1532,7 +1525,7 @@ comstart(tp)
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}
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if (com->ocount != 0) {
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disable_intr();
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siointr(unit);
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comintr1(com);
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enable_intr();
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} else if (RB_LEN(&tp->t_out) != 0) {
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tp->t_state |= TS_BUSY;
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@ -1541,7 +1534,7 @@ comstart(tp)
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com->obufend = (com->optr = (u_char *) tp->t_out.rb_hd)
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+ com->ocount;
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com->state |= CS_BUSY;
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siointr(unit); /* fake interrupt to start output */
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comintr1(com); /* fake interrupt to start output */
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enable_intr();
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}
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out:
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@ -1624,7 +1617,7 @@ comwakeup(chan, ticks)
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com = com_addr(unit);
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if (com != NULL && com->state >= (CS_BUSY | CS_TTGO)) {
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disable_intr();
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siointr(unit);
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comintr1(com);
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enable_intr();
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}
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}
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@ -31,7 +31,7 @@
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* SUCH DAMAGE.
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*
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* from: @(#)com.c 7.5 (Berkeley) 5/16/91
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* $Id: sio.c,v 1.25 1994/01/31 19:07:59 ache Exp $
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* $Id: sio.c,v 1.27 1994/02/06 11:59:35 ache Exp $
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*/
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#include "sio.h"
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@ -239,9 +239,7 @@ static int sioattach __P((struct isa_device *dev));
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static void comflush __P((struct com_s *com));
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static void comhardclose __P((struct com_s *com));
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static void cominit __P((int unit, int rate));
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#ifdef COM_MULTIPORT
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static void comintr1 __P((struct com_s *com));
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#endif /* COM_MULTIPORT */
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static void commctl __P((struct com_s *com, int bits, int how));
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static int comparam __P((struct tty *tp, struct termios *t));
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static int sioprobe __P((struct isa_device *dev));
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@ -851,18 +849,14 @@ siointr(unit)
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int unit;
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{
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struct com_s *com;
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#ifndef COM_MULTIPORT
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u_char line_status;
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u_char modem_status;
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u_char *ioptr;
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u_char recv_data;
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#ifndef COM_MULTIPORT
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com = com_addr(unit);
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if (com != NULL)
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comintr1(com);
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#else /* COM_MULTIPORT */
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bool_t possibly_more_intrs;
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com = com_addr(unit);
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comintr1(com);
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/*
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* Loop until there is no activity on any port. This is necessary
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* to get an interrupt edge more than to avoid another interrupt.
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@ -886,7 +880,7 @@ siointr(unit)
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}
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}
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} while (possibly_more_intrs);
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return;
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#endif /* COM_MULTIPORT */
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}
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static void
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@ -897,7 +891,6 @@ comintr1(com)
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u_char modem_status;
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u_char *ioptr;
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u_char recv_data;
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#endif /* COM_MULTIPORT */
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while (TRUE) {
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line_status = inb(com->line_status_port);
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@ -1486,7 +1479,7 @@ comparam(tp, t)
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* case.
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*/
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if (com->state >= (CS_BUSY | CS_TTGO))
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siointr(unit);
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comintr1(com);
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enable_intr();
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splx(s);
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@ -1532,7 +1525,7 @@ comstart(tp)
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}
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if (com->ocount != 0) {
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disable_intr();
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siointr(unit);
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comintr1(com);
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enable_intr();
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} else if (RB_LEN(&tp->t_out) != 0) {
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tp->t_state |= TS_BUSY;
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@ -1541,7 +1534,7 @@ comstart(tp)
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com->obufend = (com->optr = (u_char *) tp->t_out.rb_hd)
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+ com->ocount;
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com->state |= CS_BUSY;
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siointr(unit); /* fake interrupt to start output */
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comintr1(com); /* fake interrupt to start output */
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enable_intr();
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}
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out:
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@ -1624,7 +1617,7 @@ comwakeup(chan, ticks)
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com = com_addr(unit);
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if (com != NULL && com->state >= (CS_BUSY | CS_TTGO)) {
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disable_intr();
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siointr(unit);
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comintr1(com);
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enable_intr();
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}
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}
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