TIOCTIMESTAMP capability. The port in question must be configured with
"vector siointrts". Thus only a compare is added for the other ports.
This commit is contained in:
Poul-Henning Kamp
parent
ffe25c427d
commit
e3757377ff
@ -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 1.27 1994/02/06 11:59:35 ache Exp $
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* $Id: sio.c,v 1.28 1994/02/07 18:37:21 ache Exp $
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*/
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#include "sio.h"
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@ -207,6 +207,8 @@ struct com_s {
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#define CE_INPUT_OFFSET RS_IBUFSIZE
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u_char ibuf1[2 * RS_IBUFSIZE];
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u_char ibuf2[2 * RS_IBUFSIZE];
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int do_timestamp;
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struct timeval timestamp;
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};
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/*
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@ -253,6 +255,8 @@ static struct com_s *p_com_addr[NSIO];
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static struct com_s com_structs[NSIO];
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static struct timeval intr_timestamp;
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struct isa_driver siodriver = {
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sioprobe, sioattach, "sio"
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};
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@ -778,6 +782,7 @@ comhardclose(com)
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s = spltty();
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iobase = com->iobase;
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com->do_timestamp = 0;
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outb(iobase + com_cfcr, com->cfcr_image &= ~CFCR_SBREAK);
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unit = com - &com_structs[0];
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#ifdef KGDB
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@ -844,6 +849,14 @@ siowrite(dev, uio, flag)
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return ((*linesw[tp->t_line].l_write)(tp, uio, flag));
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}
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/* Interrupt routine for timekeeping purposes */
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void
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siointrts(int unit)
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{
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microtime(&intr_timestamp);
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siointr(unit);
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}
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void
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siointr(unit)
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int unit;
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@ -892,6 +905,8 @@ comintr1(com)
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u_char *ioptr;
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u_char recv_data;
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if(com->do_timestamp)
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com->timestamp = intr_timestamp;
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while (TRUE) {
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line_status = inb(com->line_status_port);
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@ -1145,6 +1160,10 @@ sioioctl(dev, cmd, data, flag, p)
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case TIOCMGDTRWAIT:
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*(int *)data = com->dtr_wait;
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break;
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case TIOCTIMESTAMP:
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com->do_timestamp = 1;
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*(struct timeval *)data = com->timestamp;
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break;
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default:
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splx(s);
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return (ENOTTY);
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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 1.27 1994/02/06 11:59:35 ache Exp $
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* $Id: sio.c,v 1.28 1994/02/07 18:37:21 ache Exp $
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*/
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#include "sio.h"
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@ -207,6 +207,8 @@ struct com_s {
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#define CE_INPUT_OFFSET RS_IBUFSIZE
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u_char ibuf1[2 * RS_IBUFSIZE];
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u_char ibuf2[2 * RS_IBUFSIZE];
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int do_timestamp;
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struct timeval timestamp;
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};
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/*
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@ -253,6 +255,8 @@ static struct com_s *p_com_addr[NSIO];
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static struct com_s com_structs[NSIO];
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static struct timeval intr_timestamp;
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struct isa_driver siodriver = {
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sioprobe, sioattach, "sio"
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};
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@ -778,6 +782,7 @@ comhardclose(com)
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s = spltty();
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iobase = com->iobase;
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com->do_timestamp = 0;
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outb(iobase + com_cfcr, com->cfcr_image &= ~CFCR_SBREAK);
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unit = com - &com_structs[0];
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#ifdef KGDB
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@ -844,6 +849,14 @@ siowrite(dev, uio, flag)
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return ((*linesw[tp->t_line].l_write)(tp, uio, flag));
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}
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/* Interrupt routine for timekeeping purposes */
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void
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siointrts(int unit)
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{
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microtime(&intr_timestamp);
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siointr(unit);
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}
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void
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siointr(unit)
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int unit;
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@ -892,6 +905,8 @@ comintr1(com)
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u_char *ioptr;
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u_char recv_data;
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if(com->do_timestamp)
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com->timestamp = intr_timestamp;
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while (TRUE) {
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line_status = inb(com->line_status_port);
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@ -1145,6 +1160,10 @@ sioioctl(dev, cmd, data, flag, p)
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case TIOCMGDTRWAIT:
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*(int *)data = com->dtr_wait;
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break;
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case TIOCTIMESTAMP:
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com->do_timestamp = 1;
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*(struct timeval *)data = com->timestamp;
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break;
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default:
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splx(s);
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return (ENOTTY);
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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 1.27 1994/02/06 11:59:35 ache Exp $
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* $Id: sio.c,v 1.28 1994/02/07 18:37:21 ache Exp $
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*/
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#include "sio.h"
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@ -207,6 +207,8 @@ struct com_s {
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#define CE_INPUT_OFFSET RS_IBUFSIZE
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u_char ibuf1[2 * RS_IBUFSIZE];
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u_char ibuf2[2 * RS_IBUFSIZE];
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int do_timestamp;
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struct timeval timestamp;
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};
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/*
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@ -253,6 +255,8 @@ static struct com_s *p_com_addr[NSIO];
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static struct com_s com_structs[NSIO];
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static struct timeval intr_timestamp;
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struct isa_driver siodriver = {
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sioprobe, sioattach, "sio"
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};
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@ -778,6 +782,7 @@ comhardclose(com)
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s = spltty();
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iobase = com->iobase;
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com->do_timestamp = 0;
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outb(iobase + com_cfcr, com->cfcr_image &= ~CFCR_SBREAK);
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unit = com - &com_structs[0];
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#ifdef KGDB
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@ -844,6 +849,14 @@ siowrite(dev, uio, flag)
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return ((*linesw[tp->t_line].l_write)(tp, uio, flag));
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}
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/* Interrupt routine for timekeeping purposes */
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void
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siointrts(int unit)
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{
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microtime(&intr_timestamp);
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siointr(unit);
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}
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void
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siointr(unit)
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int unit;
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@ -892,6 +905,8 @@ comintr1(com)
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u_char *ioptr;
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u_char recv_data;
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if(com->do_timestamp)
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com->timestamp = intr_timestamp;
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while (TRUE) {
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line_status = inb(com->line_status_port);
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@ -1145,6 +1160,10 @@ sioioctl(dev, cmd, data, flag, p)
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case TIOCMGDTRWAIT:
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*(int *)data = com->dtr_wait;
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break;
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case TIOCTIMESTAMP:
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com->do_timestamp = 1;
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*(struct timeval *)data = com->timestamp;
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break;
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default:
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splx(s);
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return (ENOTTY);
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