diff options
Diffstat (limited to 'sys/i386/isa/tw.c')
| -rw-r--r-- | sys/i386/isa/tw.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/sys/i386/isa/tw.c b/sys/i386/isa/tw.c index faaf0e9..7b5dbcc 100644 --- a/sys/i386/isa/tw.c +++ b/sys/i386/isa/tw.c @@ -147,6 +147,12 @@ #include "i386/isa/isa_device.h" +#ifdef JREMOD +#include <sys/conf.h> +#define CDEV_MAJOR 19 +static void tw_devsw_install(); +#endif /*JREMOD*/ + /* * Transmission is done by calling write() to send three byte packets of data. * The first byte contains a four bit house code (0=A to 15=P). @@ -342,6 +348,10 @@ int twattach(idp) sc = &tw_sc[idp->id_unit]; sc->sc_port = idp->id_iobase; sc->sc_state = 0; +#ifdef JREMOD + tw_devsw_install(); +#endif /*JREMOD*/ + return (1); } @@ -981,4 +991,27 @@ static int twchecktime(int target, int tol) } #endif /* HIRESTIME */ +#ifdef JREMOD +struct cdevsw tw_cdevsw = + { twopen, twclose, twread, twwrite, /*19*/ + noioc, nullstop, nullreset, nodevtotty,/* tw */ + twselect, nommap, nostrat }; + +static tw_devsw_installed = 0; + +static void tw_devsw_install() +{ + dev_t descript; + if( ! tw_devsw_installed ) { + descript = makedev(CDEV_MAJOR,0); + cdevsw_add(&descript,&tw_cdevsw,NULL); +#if defined(BDEV_MAJOR) + descript = makedev(BDEV_MAJOR,0); + bdevsw_add(&descript,&tw_bdevsw,NULL); +#endif /*BDEV_MAJOR*/ + tw_devsw_installed = 1; + } +} +#endif /* JREMOD */ + #endif NTW |
