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When past cyl 1024 it's ok if CHS is (0xff,0xff,0xff).

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It's actually recommended it seems...
This commit is contained in:
Poul-Henning Kamp 1995-05-01 00:45:33 +00:00
parent 34a839537a
commit ee1cbe818e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=8195
2 changed files with 14 additions and 6 deletions
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10
sys/i386/isa/diskslice_machdep.c
View File

@ -35,7 +35,7 @@
*
* from: @(#)ufs_disksubr.c 7.16 (Berkeley) 5/4/91
* from: ufs_disksubr.c,v 1.8 1994/06/07 01:21:39 phk Exp $
* $Id: diskslice_machdep.c,v 1.10 1995/04/20 01:21:51 phk Exp $
* $Id: diskslice_machdep.c,v 1.11 1995/04/20 06:01:51 phk Exp $
*/
#include <stddef.h>
@ -104,7 +104,9 @@ check_part(sname, dp, offset, nsectors, ntracks, mbr_offset )
if (ssector < ssector1
&& ((chs_ssect == nsectors && dp->dp_shd == ntracks - 1
&& chs_scyl == 1023)
|| (ssector1 - ssector) % (1024 * secpercyl) == 0)) {
|| (ssector1 - ssector) % (1024 * secpercyl) == 0)
|| (dp->dp_ssect == 255 && dp->dp_shd == 255 &&
dp->dp_scyl == 255)) {
TRACE(("%s: C/H/S start %d/%d/%d, start %lu: allow\n",
sname, chs_scyl, dp->dp_shd, chs_ssect, ssector1));
ssector = ssector1;
@ -120,7 +122,9 @@ check_part(sname, dp, offset, nsectors, ntracks, mbr_offset )
if (esector < esector1
&& ((chs_esect == nsectors && dp->dp_ehd == ntracks - 1
&& chs_ecyl == 1023)
|| (esector1 - esector) % (1024 * secpercyl) == 0)) {
|| (esector1 - esector) % (1024 * secpercyl) == 0)
|| (dp->dp_esect == 255 && dp->dp_ehd == 255 &&
dp->dp_ecyl == 255)) {
TRACE(("%s: C/H/S end %d/%d/%d, end %lu: allow\n",
sname, chs_ecyl, dp->dp_ehd, chs_esect, esector1));
esector = esector1;

10
sys/kern/subr_diskmbr.c
View File

@ -35,7 +35,7 @@
*
* from: @(#)ufs_disksubr.c 7.16 (Berkeley) 5/4/91
* from: ufs_disksubr.c,v 1.8 1994/06/07 01:21:39 phk Exp $
* $Id: diskslice_machdep.c,v 1.10 1995/04/20 01:21:51 phk Exp $
* $Id: diskslice_machdep.c,v 1.11 1995/04/20 06:01:51 phk Exp $
*/
#include <stddef.h>
@ -104,7 +104,9 @@ check_part(sname, dp, offset, nsectors, ntracks, mbr_offset )
if (ssector < ssector1
&& ((chs_ssect == nsectors && dp->dp_shd == ntracks - 1
&& chs_scyl == 1023)
|| (ssector1 - ssector) % (1024 * secpercyl) == 0)) {
|| (ssector1 - ssector) % (1024 * secpercyl) == 0)
|| (dp->dp_ssect == 255 && dp->dp_shd == 255 &&
dp->dp_scyl == 255)) {
TRACE(("%s: C/H/S start %d/%d/%d, start %lu: allow\n",
sname, chs_scyl, dp->dp_shd, chs_ssect, ssector1));
ssector = ssector1;
@ -120,7 +122,9 @@ check_part(sname, dp, offset, nsectors, ntracks, mbr_offset )
if (esector < esector1
&& ((chs_esect == nsectors && dp->dp_ehd == ntracks - 1
&& chs_ecyl == 1023)
|| (esector1 - esector) % (1024 * secpercyl) == 0)) {
|| (esector1 - esector) % (1024 * secpercyl) == 0)
|| (dp->dp_esect == 255 && dp->dp_ehd == 255 &&
dp->dp_ecyl == 255)) {
TRACE(("%s: C/H/S end %d/%d/%d, end %lu: allow\n",
sname, chs_ecyl, dp->dp_ehd, chs_esect, esector1));
esector = esector1;