platform/bios_ia32/devices.cpp

168 check_cd_boot(BIOSDrive *drive)
172 	if (drive->DriveID() != 0)
203 are_extensions_available(uint8 drive)
208 	regs.edx = drive;
219 get_ext_drive_parameters(uint8 drive, drive_parameters *targetParameters)
228 	regs.edx = drive;
243 get_drive_parameters(uint8 drive, drive_parameters *parameters)
247 	regs.edx = drive;
288 /** parse EDD 3.0 drive path information */
346 /** EDD 2.0 drive table information */
376 	// Try some data in the first part of the drive
392 compute_check_sum(BIOSDrive *drive, off_t offset)
395 	ssize_t bytesRead = drive->ReadAt(NULL, offset, buffer, sizeof(buffer));
428 			BIOSDrive *drive = (BIOSDrive *)device;
431 			BIOSDrive *drive = dynamic_cast<BIOSDrive *>(device);
432 			if (drive == NULL)
438 			if (drive->Identifier().device_type != UNKNOWN_DEVICE)
441 			if (minSize == 0 || drive->Size() < minSize)
442 				minSize = drive->Size();
450 				if (compareDrive == drive
454 				if (!memcmp(&drive->Identifier(), &compareDrive->Identifier(),
477 			BIOSDrive *drive = (BIOSDrive *)device;
479 			disk_identifier& disk = drive->Identifier();
481 			disk.device.unknown.check_sums[i].sum = compute_check_sum(drive, offset);
483 			TRACE(("disk %x, offset %Ld, sum %lu\n", drive->DriveID(), offset,
515 		BIOSDrive *drive = new(nothrow) BIOSDrive(driveID);
516 		if (drive->InitCheck() != B_OK) {
517 			dprintf("could not add drive %u\n", driveID);
518 			delete drive;
522 		devicesList->Add(drive);
524 		if (drive->FillIdentifier() != B_OK)
547 	TRACE(("drive ID %u\n", driveID));
554 			dprintf("getting drive parameters for: %u failed!\n", fDriveID);
606 	//TRACE(("BIOS reads %lu bytes from %Ld (offset = %lu), drive %u\n",
687 				dprintf("reading %ld bytes from drive %u failed at %Ld\n",
826 	TRACE(("boot drive ID: %x\n", gBootDriveID));
828 	BIOSDrive *drive = new(nothrow) BIOSDrive(gBootDriveID);
829 	if (drive->InitCheck() != B_OK) {
830 		dprintf("no boot drive!\n");
831 		delete drive;
835 	devicesList->Add(drive);
837 	if (drive->FillIdentifier() != B_OK) {
843 	TRACE(("boot drive size: %Ld bytes\n", drive->Size()));
854 	BIOSDrive *drive = static_cast<BIOSDrive *>(bootDevice);
855 	off_t offset = (off_t)gBootPartitionOffset * drive->BlockSize();
886 	BIOSDrive *drive = (BIOSDrive *)device;
888 	check_cd_boot(drive);
890 	gBootVolume.SetInt64("boot drive number", drive->DriveID());
892 		&drive->Identifier(), sizeof(disk_identifier));