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#!/usr/bin/perl
#
# Try automatic generation of geometries
#
($k) = @ARGV;
$sec = int($k*2+0.5);
if ($sec < 320*2) {
$c = 40;
$h = 1;
$type = 1;
} elsif ($sec < 640*2) {
$c = 40;
$h = 2;
$type = 1;
} elsif ($sec < 1200*2) {
$c = 80;
$h = 2;
$type = 3;
} elsif ($sec < 1440*2) {
$c = 80;
$h = 2;
$type = 2;
} elsif ($sec < 2880*2) {
$c = 80;
$h = 2;
$type = 4;
} elsif ($sec < 4096*2) {
$c = 80;
$h = 2;
$type = 6;
} else {
printf "%.1fK, %d sectors: ", $sec/2, $sec;
print "Considered a hard disk\n";
exit 2;
}
$ok = 0;
while ($c < 256) {
$s = int($sec/($c*$h)+0.5);
if ($s <= 63 && $sec == $c*$h*$s) {
$ok = 1;
last;
}
$c++;
}
printf "%.1fK, %d sectors: ", $sec/2, $sec;
if ($ok) {
print "c=$c, h=$h, s=$s, type=$type\n";
exit 0;
} else {
print "No valid geometry found (MEMDISK will fake it)\n";
exit 1;
}
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