diff options
Diffstat (limited to 'sys/vm/vm_swap.c')
| -rw-r--r-- | sys/vm/vm_swap.c | 54 |
1 files changed, 53 insertions, 1 deletions
diff --git a/sys/vm/vm_swap.c b/sys/vm/vm_swap.c index ea3bc9d..91c12da 100644 --- a/sys/vm/vm_swap.c +++ b/sys/vm/vm_swap.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)vm_swap.c 8.5 (Berkeley) 2/17/94 - * $Id: vm_swap.c,v 1.24 1995/11/12 06:43:26 bde Exp $ + * $Id: vm_swap.c,v 1.25 1995/11/20 12:19:14 phk Exp $ */ #include <sys/param.h> @@ -50,6 +50,15 @@ #include <miscfs/specfs/specdev.h> +#ifdef JREMOD +#include <sys/kernel.h> +#ifdef DEVFS +#include <sys/devfsext.h> +#endif /*DEVFS*/ +#define CDEV_MAJOR 4 +#define BDEV_MAJOR 1 +#endif /*JREMOD */ + /* * Indirect driver for multi-controller paging. */ @@ -252,3 +261,46 @@ swaponvp(p, vp, dev, nblks) return (0); } + +#ifdef JREMOD +struct bdevsw sw_bdevsw = + { noopen, noclose, swstrategy, noioc, /*1*/ + nodump, zerosize, 0 }; + +struct cdevsw sw_cdevsw = + { nullopen, nullclose, rawread, rawwrite, /*4*/ + noioc, nostop, noreset, nodevtotty,/* swap */ + noselect, nommap, swstrategy }; + +static sw_devsw_installed = 0; + +static void sw_drvinit(void *unused) +{ + dev_t dev; + dev_t dev_chr; + + if( ! sw_devsw_installed ) { + dev = makedev(CDEV_MAJOR,0); + cdevsw_add(&dev,&sw_cdevsw,NULL); + dev_chr = dev; + dev = makedev(BDEV_MAJOR,0); + bdevsw_add(&dev,&sw_bdevsw,NULL); + sw_devsw_installed = 1; +#ifdef DEVFS + { + int x; +/* default for a simple device with no probe routine (usually delete this) */ + x=devfs_add_devsw( +/* path name devsw minor type uid gid perm*/ + "/", "rsw", major(dev_chr), 0, DV_CHR, 0, 0, 0600); + x=devfs_add_devsw( + "/", "sw", major(dev), 0, DV_BLK, 0, 0, 0600); + } + } +#endif +} + +SYSINIT(swdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,sw_drvinit,NULL) + +#endif /* JREMOD */ + |
