d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add support for accessing ports. This was done to access parallel

Browse Source 
ports, but should work for others as well.

Submitted by:  Parag Patel <parag@cgt.com>
This commit is contained in:
Warner Losh 1999-01-20 17:55:22 +00:00
parent 7b1777101c
commit 6d54a68468
1 changed files with 19 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
usr.bin/doscmd/port.c
View File

@ -29,7 +29,7 @@
*
* BSDI port.c,v 2.2 1996/04/08 19:33:03 bostic Exp
*
* $Id: port.c,v 1.2 1996/09/22 05:53:08 miff Exp $
* $Id: port.c,v 1.1 1997/08/09 01:42:54 dyson Exp $
*/
#include "doscmd.h"
@ -59,15 +59,30 @@ u_long ioports[MAXPORT/32];
static void
iomap(int port, int cnt)
{
fatal("iomap not supported");
if (port + cnt >= MAXPORT) {
errno = ERANGE;
goto bad;
}
if (i386_set_ioperm(port, cnt, 1) < 0) {
bad:
perror("iomap");
quit(1);
}
}
static void
iounmap(int port, int cnt)
{
fatal("iomap not supported");
if (port + cnt >= MAXPORT) {
errno = ERANGE;
goto bad;
}
if (i386_set_ioperm(port, cnt, 0) < 0) {
bad:
perror("iounmap");
quit(1);
}
}
#else
static void
iomap(int port, int cnt)