/**
* Constructor for GrubFatFormatter.
*
* @param bootSectorOffset
* @param stage1ResourceName
* @param stage2ResourceName
*/
public GrubFatFormatter(
int bootSectorOffset, String stage1ResourceName, String stage2ResourceName) {
GrubBootSector bs = (GrubBootSector) createBootSector(stage1ResourceName, stage2ResourceName);
bs.setOemName("JNode1.0");
formatter = FatFormatter.fat144FloppyFormatter(calculateReservedSectors(512), bs);
this.bootSectorOffset = bootSectorOffset;
}
/** @see org.jnode.fs.fat.FatFormatter#format(BlockDeviceAPI) */
public void format(BlockDeviceAPI api) throws IOException {
formatter.format(api);
GrubBootSector bs = (GrubBootSector) formatter.getBootSector();
/* Fixup the blocklist end the end of the first sector of stage2 */
LittleEndian.setInt32(stage2, 512 - 8, bootSectorOffset + 2);
/* Fixup the install partition */
LittleEndian.setInt32(stage2, 512 + 0x08, installPartition);
/* Fixup the config file */
if (configFile != null) {
int ofs = 512 + 0x12;
while (stage2[ofs] != 0) {
ofs++;
}
ofs++; /* Skip '\0' */
for (int i = 0; i < configFile.length(); i++) {
stage2[ofs++] = (byte) configFile.charAt(i);
}
stage2[ofs] = 0;
}
/* Write stage2 */
api.write(bs.getBytesPerSector(), ByteBuffer.wrap(stage2));
}
/**
* @param bps
* @param spc
* @param geom
* @param fatSize
*/
public GrubFatFormatter(
int bps,
int spc,
Geometry geom,
FatType fatSize,
int bootSectorOffset,
String stage1ResourceName,
String stage2ResourceName) {
GrubBootSector bs = (GrubBootSector) createBootSector(stage1ResourceName, stage2ResourceName);
bs.setOemName("JNode1.0");
formatter =
FatFormatter.HDFormatter(
bps,
(int) geom.getTotalSectors(),
geom.getSectors(),
geom.getHeads(),
fatSize,
0,
calculateReservedSectors(512),
bs);
this.bootSectorOffset = bootSectorOffset;
}
