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add the file kern_conf.c so it can be compiled in when needed

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for testing.. (for cdevsw_add and bdevsw_add)

make the lkm code use the new generic devsw add routines (if so required)
This commit is contained in:
Julian Elischer 1995-10-04 03:42:39 +00:00
parent ec477e8b5e
commit d8af1be3d9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=11160
1 changed files with 38 additions and 1 deletions
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39
sys/kern/kern_lkm.c
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@ -30,7 +30,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: kern_lkm.c,v 1.14 1995/08/25 20:03:02 bde Exp $
* $Id: kern_lkm.c,v 1.15 1995/09/08 11:08:34 bde Exp $
*/
/*
@ -674,6 +674,9 @@ _lkm_dev(lkmtp, cmd)
{
struct lkm_dev *args = lkmtp->private.lkm_dev;
int i;
#ifdef JREMOD
dev_t descrip;
#endif /* JREMOD */
int err = 0;
switch(cmd) {
@ -683,6 +686,7 @@ _lkm_dev(lkmtp, cmd)
return(EEXIST);
switch(args->lkm_devtype) {
case LM_DT_BLOCK:
#ifndef JREMOD
if ((i = args->lkm_offset) == -1) { /* auto */
/*
* Search the table looking for a slot...
@ -710,9 +714,21 @@ _lkm_dev(lkmtp, cmd)
/* done! */
args->lkm_offset = i; /* slot in bdevsw[] */
#else /* JREMOD */
if ((i = args->lkm_offset) == -1)
descrip = (dev_t) -1;
else
descrip = makedev(args->lkm_offset,0);
if ( err = bdevsw_add(&descrip, args->lkm_dev.bdev,
&(args->lkm_olddev.bdev))) {
break;
}
args->lkm_offset = major(descrip) ;
#endif /* JREMOD */
break;
case LM_DT_CHAR:
#ifndef JREMOD
if ((i = args->lkm_offset) == -1) { /* auto */
/*
* Search the table looking for a slot...
@ -741,6 +757,17 @@ _lkm_dev(lkmtp, cmd)
/* done! */
args->lkm_offset = i; /* slot in cdevsw[] */
#else /* JREMOD */
if ((i = args->lkm_offset) == -1)
descrip = (dev_t) -1;
else
descrip = makedev(args->lkm_offset,0);
if ( err = cdevsw_add(&descrip, args->lkm_dev.cdev,
&(args->lkm_olddev.cdev))) {
break;
}
args->lkm_offset = major(descrip) ;
#endif /* JREMOD */
break;
default:
@ -756,12 +783,22 @@ _lkm_dev(lkmtp, cmd)
switch(args->lkm_devtype) {
case LM_DT_BLOCK:
/* replace current slot contents with old contents */
#ifndef JREMOD
bcopy(&(args->lkm_olddev.bdev), &bdevsw[i], sizeof(struct bdevsw));
#else /* JREMOD */
descrip = makedev(i,0);
bdevsw_add(&descrip, &(args->lkm_olddev.bdev),NULL);
#endif /* JREMOD */
break;
case LM_DT_CHAR:
/* replace current slot contents with old contents */
#ifndef JREMOD
bcopy(&(args->lkm_olddev.cdev), &cdevsw[i], sizeof(struct cdevsw));
#else /* JREMOD */
descrip = makedev(i,0);
cdevsw_add(&descrip, &(args->lkm_olddev.cdev),NULL);
#endif /* JREMOD */
break;
default: