diff options
Diffstat (limited to 'sys/i386/isa/ctx.c')
| -rw-r--r-- | sys/i386/isa/ctx.c | 39 |
1 files changed, 36 insertions, 3 deletions
diff --git a/sys/i386/isa/ctx.c b/sys/i386/isa/ctx.c index 3cec50d..c1edbf1 100644 --- a/sys/i386/isa/ctx.c +++ b/sys/i386/isa/ctx.c @@ -8,7 +8,7 @@ * of this software, nor does the author assume any responsibility * for damages incurred with its use. * - * $Id: ctx.c,v 1.6 1995/05/30 08:01:27 rgrimes Exp $ + * $Id: ctx.c,v 1.7 1995/09/08 11:07:34 bde Exp $ */ /* @@ -126,6 +126,11 @@ #include <i386/isa/ctxreg.h> #include <machine/ioctl_ctx.h> +#ifdef JREMOD +#include <sys/conf.h> +#define CDEV_MAJOR 40 +static void ctx_devsw_install(); +#endif /*JREMOD*/ int waitvb(short); /* state flags */ @@ -184,8 +189,12 @@ ctxprobe(struct isa_device * devp) if (inb(devp->id_iobase) == 0xff) /* 0xff only if board absent */ status = 0; - else - status = 1; + else { + status = 1; /*XXX uses only one port? */ +#ifdef JREMOD + ctx_devsw_install(); +#endif /*JREMOD*/ + } return (status); } @@ -438,4 +447,28 @@ waitvb(short port) return (0); } + +#ifdef JREMOD +struct cdevsw ctx_cdevsw = + { ctxopen, ctxclose, ctxread, ctxwrite, /*40*/ + ctxioctl, nostop, nullreset, nodevtotty,/* cortex */ + seltrue, nommap, NULL }; + +static ctx_devsw_installed = 0; + +static void ctx_devsw_install() +{ + dev_t descript; + if( ! ctx_devsw_installed ) { + descript = makedev(CDEV_MAJOR,0); + cdevsw_add(&descript,&ctx_cdevsw,NULL); +#if defined(BDEV_MAJOR) + descript = makedev(BDEV_MAJOR,0); + bdevsw_add(&descript,&ctx_bdevsw,NULL); +#endif /*BDEV_MAJOR*/ + ctx_devsw_installed = 1; + } +} +#endif /* JREMOD */ + #endif /* NCTX > 0 */ |
