diff options
| author | imp <imp@FreeBSD.org> | 1999-01-20 17:55:22 +0000 |
|---|---|---|
| committer | imp <imp@FreeBSD.org> | 1999-01-20 17:55:22 +0000 |
| commit | 3d26b017dd1f79af0ff6531cfc9e84abea7b47dc (patch) | |
| tree | 9c7421d2236085ab9bfe4de984436dbdd2cc1ed3 /usr.bin/doscmd | |
| parent | 46541593cd4e664eee12431612d7275edf8ab97c (diff) | |
| download | FreeBSD-src-3d26b017dd1f79af0ff6531cfc9e84abea7b47dc.zip FreeBSD-src-3d26b017dd1f79af0ff6531cfc9e84abea7b47dc.tar.gz | |
Add support for accessing ports. This was done to access parallel
ports, but should work for others as well.
Submitted by: Parag Patel <parag@cgt.com>
Diffstat (limited to 'usr.bin/doscmd')
| -rw-r--r-- | usr.bin/doscmd/port.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/usr.bin/doscmd/port.c b/usr.bin/doscmd/port.c index 7bcc539..c9a06b2 100644 --- a/usr.bin/doscmd/port.c +++ b/usr.bin/doscmd/port.c @@ -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) |
