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mirror of https://git.FreeBSD.org/src.git synced 2024-12-22 11:17:19 +00:00

Synchronize with sys/i386/isa/diskslice_machdep.c revision 1.25.

This commit is contained in:
KATO Takenori 1997-04-20 05:16:06 +00:00
parent 524a8761b1
commit 1a256e98e8
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=25036
2 changed files with 22 additions and 16 deletions

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 $
* $Id$
* $Id: atcompat_diskslice.c,v 1.5 1997/02/22 09:43:31 peter Exp $
*/
/*
@ -111,14 +111,16 @@ check_part(sname, dp, offset, nsectors, ntracks, mbr_offset )
/*
* If ssector1 is on a cylinder >= 1024, then ssector can't be right.
* Allow the C/H/S for it to be 1023/ntracks-1/nsectors, or correct
* apart from the cylinder being reduced modulo 1024.
* apart from the cylinder being reduced modulo 1024. Always allow
* 1023/255/63.
*/
if (ssector < ssector1
&& ((chs_ssect == nsectors && dp->dp_shd == ntracks - 1
&& chs_scyl == 1023)
|| (ssector1 - ssector) % (1024 * secpercyl) == 0)
|| (dp->dp_scyl == 255 && dp->dp_shd == 255
&& dp->dp_ssect == 255)) {
|| (secpercyl != 0
&& (ssector1 - ssector) % (1024 * secpercyl) == 0))
|| (dp->dp_scyl == 255 && dp->dp_shd == 255
&& dp->dp_ssect == 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;
@ -134,9 +136,10 @@ 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)
|| (dp->dp_ecyl == 255 && dp->dp_ehd == 255
&& dp->dp_esect == 255)) {
|| (secpercyl != 0
&& (esector1 - esector) % (1024 * secpercyl) == 0))
|| (dp->dp_ecyl == 255 && dp->dp_ehd == 255
&& dp->dp_esect == 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;

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 $
* $Id$
* $Id: diskslice_machdep.c,v 1.8 1997/02/22 09:43:33 peter Exp $
*/
/*
@ -134,14 +134,16 @@ check_part(sname, dp, offset, nsectors, ntracks, mbr_offset )
/*
* If ssector1 is on a cylinder >= 1024, then ssector can't be right.
* Allow the C/H/S for it to be 1023/ntracks-1/nsectors, or correct
* apart from the cylinder being reduced modulo 1024.
* apart from the cylinder being reduced modulo 1024. Always allow
* 1023/255/63.
*/
if (ssector < ssector1
&& ((chs_ssect == nsectors && dp->dp_shd == ntracks - 1
&& chs_scyl == 1023)
|| (ssector1 - ssector) % (1024 * secpercyl) == 0)
|| (dp->dp_scyl == 255 && dp->dp_shd == 255
&& dp->dp_ssect == 255)) {
|| (secpercyl != 0
&& (ssector1 - ssector) % (1024 * secpercyl) == 0))
|| (dp->dp_scyl == 255 && dp->dp_shd == 255
&& dp->dp_ssect == 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;
@ -165,9 +167,10 @@ 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)
|| (dp->dp_ecyl == 255 && dp->dp_ehd == 255
&& dp->dp_esect == 255)) {
|| (secpercyl != 0
&& (esector1 - esector) % (1024 * secpercyl) == 0))
|| (dp->dp_ecyl == 255 && dp->dp_ehd == 255
&& dp->dp_esect == 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;