Add new option to fdisk: -e
This wipes the MBR and creates slice 1 as a FreeBSD slice covering the disk starting from the second track to the cylinder aligned end of the disk. This is the most compatibly layout we have as far as I know.
This commit is contained in:
Poul-Henning Kamp
parent
c464d06ff4
commit
e6fb3dde93
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=50215
@ -1,4 +1,4 @@
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.\" $Id: $
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.\" $Id: fdisk.8,v 1.14 1999/06/27 19:29:14 rnordier Exp $
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.\"
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.Dd October 4, 1996
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.Dt FDISK 8
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@ -8,7 +8,7 @@
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.Nd PC partition table maintenance program
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.Sh SYNOPSIS
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.Nm fdisk
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.Op Fl Baitu
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.Op Fl Baeitu
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.Op Fl b Ar bootcode
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.Op Fl 1234
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.Op Ar disk
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@ -50,11 +50,6 @@ table. The second is used to write a partition table using a
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and is designed to be used by other scripts/programs.
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.Pp
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Options are:
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.It Fl B
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Reinitialize the boot code contained in sector 0 of the disk. Ignored
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if
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.Fl f
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is given.
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.It Fl a
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Change the active partition only. Ignored if
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.Fl f
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@ -62,6 +57,13 @@ is given.
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.It Fl b Ar bootcode
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Get the boot code from the file
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.Ar bootcode .
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.It Fl B
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Reinitialize the boot code contained in sector 0 of the disk. Ignored
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if
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.Fl f
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is given.
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.It Fl e
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Initialize the contents of sector 0 with one FreeBSD slice covering the entire disk.
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.It Fl f Ar configfile
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Set partition values using the file
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.Ar configfile .
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@ -26,7 +26,7 @@
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#ifndef lint
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static const char rcsid[] =
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"$Id: fdisk.c,v 1.28 1999/01/22 11:54:17 rnordier Exp $";
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"$Id: fdisk.c,v 1.29 1999/06/27 19:29:15 rnordier Exp $";
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#endif /* not lint */
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#include <sys/disklabel.h>
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@ -120,6 +120,7 @@ typedef struct cmd {
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static int B_flag = 0; /* replace boot code */
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static int a_flag = 0; /* set active partition */
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static char *b_flag = NULL; /* path to boot code */
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static int e_flag = 0; /* use entire disk for FreeBSD */
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static int i_flag = 0; /* replace partition data */
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static int u_flag = 0; /* update partition data */
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static int t_flag = 0; /* test only, if f_flag is given */
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@ -215,7 +216,7 @@ main(int argc, char *argv[])
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{
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int c, i;
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while ((c = getopt(argc, argv, "Bab:f:ituv1234")) != -1)
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while ((c = getopt(argc, argv, "Bab:ef:ituv1234")) != -1)
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switch (c) {
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case 'B':
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B_flag = 1;
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@ -226,6 +227,9 @@ main(int argc, char *argv[])
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case 'b':
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b_flag = optarg;
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break;
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case 'e':
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e_flag = 1;
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break;
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case 'f':
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f_flag = optarg;
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break;
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@ -288,6 +292,27 @@ main(int argc, char *argv[])
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printf("******* Working on device %s *******\n",disk);
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if (e_flag)
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{
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struct dos_partition *partp;
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read_s0();
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reset_boot();
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partp = (struct dos_partition *) (&mboot.parts[0]);
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partp->dp_typ = DOSPTYP_386BSD;
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partp->dp_flag = ACTIVE;
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partp->dp_start = dos_sectors;
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partp->dp_size = disksecs - dos_sectors;
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dos(partp->dp_start, partp->dp_size,
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&partp->dp_scyl, &partp->dp_ssect, &partp->dp_shd);
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dos(partp->dp_start + partp->dp_size - 1, partp->dp_size,
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&partp->dp_ecyl, &partp->dp_esect, &partp->dp_ehd);
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if (v_flag)
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print_s0(-1);
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write_s0();
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exit(0);
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}
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if (f_flag)
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{
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if (read_s0() || i_flag)
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@ -623,7 +648,7 @@ struct stat st;
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if ( !(st.st_mode & S_IFCHR) )
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warnx("device %s is not character special", disk);
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if ((fd = open(disk,
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a_flag || B_flag || u_flag ? O_RDWR : O_RDONLY)) == -1) {
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a_flag || e_flag || B_flag || u_flag ? O_RDWR : O_RDONLY)) == -1) {
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if(errno == ENXIO)
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return -2;
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warnx("can't open device %s", disk);
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@ -717,16 +742,16 @@ write_s0()
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* needed if the disklabel protected area also protects
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* sector 0. (e.g. empty disk)
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*/
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flag = 1;
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#ifdef NOT_NOW
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flag = 1;
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if (ioctl(fd, DIOCWLABEL, &flag) < 0)
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warn("ioctl DIOCWLABEL");
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#endif
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if (write_disk(0, (char *) mboot.bootinst) == -1) {
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warnx("can't write fdisk partition table");
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warn("can't write fdisk partition table");
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return -1;
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flag = 0;
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#ifdef NOT_NOW
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flag = 0;
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(void) ioctl(fd, DIOCWLABEL, &flag);
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#endif
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}
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@ -1,4 +1,4 @@
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.\" $Id: $
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.\" $Id: fdisk.8,v 1.14 1999/06/27 19:29:14 rnordier Exp $
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.\"
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.Dd October 4, 1996
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.Dt FDISK 8
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@ -8,7 +8,7 @@
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.Nd PC partition table maintenance program
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.Sh SYNOPSIS
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.Nm fdisk
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.Op Fl Baitu
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.Op Fl Baeitu
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.Op Fl b Ar bootcode
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.Op Fl 1234
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.Op Ar disk
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@ -50,11 +50,6 @@ table. The second is used to write a partition table using a
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and is designed to be used by other scripts/programs.
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.Pp
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Options are:
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.It Fl B
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Reinitialize the boot code contained in sector 0 of the disk. Ignored
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if
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.Fl f
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is given.
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.It Fl a
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Change the active partition only. Ignored if
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.Fl f
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@ -62,6 +57,13 @@ is given.
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.It Fl b Ar bootcode
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Get the boot code from the file
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.Ar bootcode .
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.It Fl B
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Reinitialize the boot code contained in sector 0 of the disk. Ignored
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if
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.Fl f
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is given.
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.It Fl e
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Initialize the contents of sector 0 with one FreeBSD slice covering the entire disk.
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.It Fl f Ar configfile
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Set partition values using the file
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.Ar configfile .
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@ -26,7 +26,7 @@
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#ifndef lint
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static const char rcsid[] =
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"$Id: fdisk.c,v 1.28 1999/01/22 11:54:17 rnordier Exp $";
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"$Id: fdisk.c,v 1.29 1999/06/27 19:29:15 rnordier Exp $";
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#endif /* not lint */
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#include <sys/disklabel.h>
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@ -120,6 +120,7 @@ typedef struct cmd {
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static int B_flag = 0; /* replace boot code */
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static int a_flag = 0; /* set active partition */
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static char *b_flag = NULL; /* path to boot code */
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static int e_flag = 0; /* use entire disk for FreeBSD */
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static int i_flag = 0; /* replace partition data */
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static int u_flag = 0; /* update partition data */
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static int t_flag = 0; /* test only, if f_flag is given */
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@ -215,7 +216,7 @@ main(int argc, char *argv[])
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{
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int c, i;
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while ((c = getopt(argc, argv, "Bab:f:ituv1234")) != -1)
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while ((c = getopt(argc, argv, "Bab:ef:ituv1234")) != -1)
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switch (c) {
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case 'B':
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B_flag = 1;
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@ -226,6 +227,9 @@ main(int argc, char *argv[])
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case 'b':
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b_flag = optarg;
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break;
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case 'e':
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e_flag = 1;
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break;
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case 'f':
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f_flag = optarg;
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break;
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@ -288,6 +292,27 @@ main(int argc, char *argv[])
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printf("******* Working on device %s *******\n",disk);
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if (e_flag)
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{
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struct dos_partition *partp;
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read_s0();
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reset_boot();
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partp = (struct dos_partition *) (&mboot.parts[0]);
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partp->dp_typ = DOSPTYP_386BSD;
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partp->dp_flag = ACTIVE;
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partp->dp_start = dos_sectors;
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partp->dp_size = disksecs - dos_sectors;
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dos(partp->dp_start, partp->dp_size,
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&partp->dp_scyl, &partp->dp_ssect, &partp->dp_shd);
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dos(partp->dp_start + partp->dp_size - 1, partp->dp_size,
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&partp->dp_ecyl, &partp->dp_esect, &partp->dp_ehd);
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if (v_flag)
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print_s0(-1);
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write_s0();
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exit(0);
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}
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if (f_flag)
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{
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if (read_s0() || i_flag)
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@ -623,7 +648,7 @@ struct stat st;
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if ( !(st.st_mode & S_IFCHR) )
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warnx("device %s is not character special", disk);
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if ((fd = open(disk,
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a_flag || B_flag || u_flag ? O_RDWR : O_RDONLY)) == -1) {
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a_flag || e_flag || B_flag || u_flag ? O_RDWR : O_RDONLY)) == -1) {
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if(errno == ENXIO)
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return -2;
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warnx("can't open device %s", disk);
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@ -717,16 +742,16 @@ write_s0()
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* needed if the disklabel protected area also protects
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* sector 0. (e.g. empty disk)
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*/
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flag = 1;
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#ifdef NOT_NOW
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flag = 1;
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if (ioctl(fd, DIOCWLABEL, &flag) < 0)
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warn("ioctl DIOCWLABEL");
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#endif
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if (write_disk(0, (char *) mboot.bootinst) == -1) {
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warnx("can't write fdisk partition table");
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warn("can't write fdisk partition table");
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return -1;
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flag = 0;
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#ifdef NOT_NOW
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flag = 0;
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(void) ioctl(fd, DIOCWLABEL, &flag);
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#endif
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}
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