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Implement -m option to enable/disable slices.

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This commit is contained in:
Robert Nordier 1999-06-19 21:44:43 +00:00
parent fc2ff140c2
commit 5868a099d9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=48038
2 changed files with 22 additions and 8 deletions
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8
usr.sbin/boot0cfg/boot0cfg.8
View File

@ -22,7 +22,7 @@
.\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, .\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
.\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\" .\"
.\" $Id: boot0cfg.8,v 1.2 1999/02/22 09:36:54 rnordier Exp $ .\" $Id: boot0cfg.8,v 1.3 1999/02/26 14:57:17 rnordier Exp $
.\" .\"
.Dd February 21, 1999 .Dd February 21, 1999
.Dt BOOT0CFG 8 .Dt BOOT0CFG 8
@ -36,6 +36,7 @@
.Op Fl b Ar boot0 .Op Fl b Ar boot0
.Op Fl d Ar drive .Op Fl d Ar drive
.Op Fl f Ar file .Op Fl f Ar file
.Op Fl m Ar mask
.Op Fl o Ar options .Op Fl o Ar options
.Op Fl t Ar ticks .Op Fl t Ar ticks
.Ar disk .Ar disk
@ -89,6 +90,11 @@ is acceptable here.
Specify that a backup copy of the preexisting MBR should be written to Specify that a backup copy of the preexisting MBR should be written to
.Ar file . .Ar file .
This file is created if it does not exist, and truncated if it does. This file is created if it does not exist, and truncated if it does.
.It Fl m Ar mask
Specify slices to be enabled/disabled, where
.Ar mask
is an integer between 0 (no slices enabled) and 0xf (all four slices
enabled).
.It Fl o Ar options .It Fl o Ar options
A comma-separated string of any of the following options may be A comma-separated string of any of the following options may be
specified (with specified (with

22
usr.sbin/boot0cfg/boot0cfg.c
View File

@ -26,7 +26,7 @@
#ifndef lint #ifndef lint
static const char rcsid[] = static const char rcsid[] =
"$Id: boot0cfg.c,v 1.2 1999/02/22 09:36:54 rnordier Exp $"; "$Id: boot0cfg.c,v 1.3 1999/02/26 14:57:17 rnordier Exp $";
#endif /* not lint */ #endif /* not lint */
#include <sys/param.h> #include <sys/param.h>
@ -85,17 +85,17 @@ main(int argc, char *argv[])
const char *bpath, *fpath, *disk; const char *bpath, *fpath, *disk;
ssize_t n; ssize_t n;
int B_flag, v_flag, o_flag; int B_flag, v_flag, o_flag;
int d_arg, t_arg; int d_arg, m_arg, t_arg;
int o_and, o_or; int o_and, o_or;
int fd, fd1, up, c, i; int fd, fd1, up, c, i;
bpath = "/boot/boot0"; bpath = "/boot/boot0";
fpath = NULL; fpath = NULL;
B_flag = v_flag = o_flag = 0; B_flag = v_flag = o_flag = 0;
d_arg = t_arg = -1; d_arg = m_arg = t_arg = -1;
o_and = 0xff; o_and = 0xff;
o_or = 0; o_or = 0;
while ((c = getopt(argc, argv, "Bvb:d:f:o:t:")) != -1) while ((c = getopt(argc, argv, "Bvb:d:f:m:o:t:")) != -1)
switch (c) { switch (c) {
case 'B': case 'B':
B_flag = 1; B_flag = 1;
@ -112,6 +112,9 @@ main(int argc, char *argv[])
case 'f': case 'f':
fpath = optarg; fpath = optarg;
break; break;
case 'm':
m_arg = argtoi(optarg, 0, 0xf, 'm');
break;
case 'o': case 'o':
stropt(optarg, &o_and, &o_or); stropt(optarg, &o_and, &o_or);
o_flag = 1; o_flag = 1;
@ -157,6 +160,10 @@ main(int argc, char *argv[])
} }
if (d_arg != -1) if (d_arg != -1)
buf[OFF_DRIVE] = d_arg; buf[OFF_DRIVE] = d_arg;
if (m_arg != -1) {
buf[OFF_FLAGS] &= 0xf0;
buf[OFF_FLAGS] |= m_arg;
}
if (o_flag) { if (o_flag) {
buf[OFF_FLAGS] &= o_and; buf[OFF_FLAGS] &= o_and;
buf[OFF_FLAGS] |= o_or; buf[OFF_FLAGS] |= o_or;
@ -188,7 +195,8 @@ main(int argc, char *argv[])
part[i].dp_size); part[i].dp_size);
} }
printf("\n"); printf("\n");
printf("drive=0x%x options=", buf[OFF_DRIVE]); printf("drive=0x%x mask=0x%x options=", buf[OFF_DRIVE],
buf[OFF_FLAGS] & 0xf);
for (i = 0; i < nopt; i++) { for (i = 0; i < nopt; i++) {
if (i) if (i)
printf(","); printf(",");
@ -264,7 +272,7 @@ static void
usage(void) usage(void)
{ {
fprintf(stderr, "%s\n%s\n", fprintf(stderr, "%s\n%s\n",
"usage: boot0cfg [-Bv] [-b boot0] [-d drive] [-f file] [-o options]", "usage: boot0cfg [-Bv] [-b boot0] [-d drive] [-f file] [-m mask]",
" [-t ticks] disk"); " [-o options] [-t ticks] disk");
exit(1); exit(1);
} }