Directory *
get_boot_file_system(stage2_args *args)
{
Node *device;
if (platform_add_boot_device(args, &gBootDevices) < B_OK)
return NULL;
// the boot device must be the first device in the list
device = gBootDevices.First();
if (add_partitions_for(device, false, true) < B_OK)
return NULL;
Partition *partition;
if (platform_get_boot_partition(args, device, &gPartitions, &partition) < B_OK)
return NULL;
Directory *fileSystem;
status_t status = partition->Mount(&fileSystem, true);
if (status < B_OK) {
// this partition doesn't contain any known file system; we
// don't need it anymore
gPartitions.Remove(partition);
delete partition;
return NULL;
}
sBootDevice = device;
return fileSystem;
}
/*! Gets the boot device, scans all of its partitions, gets the
boot partition, and mounts its file system.
\param args The stage 2 arguments.
\param _bootVolume On success set to the boot volume.
\return \c B_OK on success, another error code otherwise.
*/
status_t
get_boot_file_system(stage2_args* args, BootVolume& _bootVolume)
{
Node *device;
status_t error = platform_add_boot_device(args, &gBootDevices);
if (error != B_OK)
return error;
// the boot device must be the first device in the list
device = gBootDevices.First();
error = add_partitions_for(device, false, true);
if (error != B_OK)
return error;
Partition *partition;
error = platform_get_boot_partition(args, device, &gPartitions, &partition);
if (error != B_OK)
return error;
Directory *fileSystem;
error = partition->Mount(&fileSystem, true);
if (error != B_OK) {
// this partition doesn't contain any known file system; we
// don't need it anymore
gPartitions.Remove(partition);
delete partition;
return error;
}
// init the BootVolume
error = _bootVolume.SetTo(fileSystem);
if (error != B_OK)
return error;
sBootDevice = device;
return B_OK;
}