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-rw-r--r--lib/libdisk/change.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/lib/libdisk/change.c b/lib/libdisk/change.c
index ca3df99..18b8bc3 100644
--- a/lib/libdisk/change.c
+++ b/lib/libdisk/change.c
@@ -26,7 +26,6 @@ Set_Bios_Geom(struct disk *disk, u_long cyl, u_long hd, u_long sect)
disk->bios_sect = sect;
}
-/* XXX - parameters should change to fit for PC-98, but I'm not sure */
void
Sanitize_Bios_Geom(struct disk *disk)
{
@@ -34,11 +33,19 @@ Sanitize_Bios_Geom(struct disk *disk)
sane = 1;
+#ifdef PC98
+ if (disk->bios_cyl >= 65536)
+#else
if (disk->bios_cyl > 1024)
+#endif
sane = 0;
if (disk->bios_hd > 16)
sane = 0;
+#ifdef PC98
+ if (disk->bios_sect >= 256)
+#else
if (disk->bios_sect > 63)
+#endif
sane = 0;
if (disk->bios_cyl*disk->bios_hd*disk->bios_sect != disk->chunks->size)
sane = 0;
@@ -50,11 +57,21 @@ Sanitize_Bios_Geom(struct disk *disk)
disk->bios_hd = 16;
disk->bios_cyl = disk->chunks->size / (disk->bios_sect*disk->bios_hd);
+#ifdef PC98
+ if (disk->bios_cyl < 65536)
+#else
if (disk->bios_cyl < 1024)
+#endif
return;
/* Hmm, try harder... */
+#ifdef PC98
+ /* Assume standard SCSI parameter */
+ disk->bios_sect = 128;
+ disk->bios_hd = 8;
+#else
disk->bios_hd = 255;
+#endif
disk->bios_cyl = disk->chunks->size / (disk->bios_sect*disk->bios_hd);
return;
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