* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#include "freeldr.h"
-#include "debug.h"
-#include "i386.h"
-#include "fsrec.h"
+#include <freeldr.h>
+
+#define NDEBUG
+#include <debug.h>
/////////////////////////////////////////////////////////////////////////////////////////////
// FUNCTIONS
/////////////////////////////////////////////////////////////////////////////////////////////
-#ifdef __i386__
-
-BOOL DiskResetController(ULONG DriveNumber)
+BOOLEAN DiskResetController(ULONG DriveNumber)
{
REGS RegsIn;
REGS RegsOut;
- DbgPrint((DPRINT_DISK, "DiskResetController(0x%x) DISK OPERATION FAILED -- RESETTING CONTROLLER\n", DriveNumber));
+ DPRINTM(DPRINT_DISK, "DiskResetController(0x%x) DISK OPERATION FAILED -- RESETTING CONTROLLER\n", DriveNumber);
// BIOS Int 13h, function 0 - Reset disk system
// AH = 00h
return INT386_SUCCESS(RegsOut);
}
-BOOL DiskInt13ExtensionsSupported(ULONG DriveNumber)
+BOOLEAN DiskInt13ExtensionsSupported(ULONG DriveNumber)
{
REGS RegsIn;
REGS RegsOut;
- DbgPrint((DPRINT_DISK, "DiskInt13ExtensionsSupported()\n"));
+ DPRINTM(DPRINT_DISK, "DiskInt13ExtensionsSupported()\n");
// IBM/MS INT 13 Extensions - INSTALLATION CHECK
// AH = 41h
WRITE_PORT_UCHAR((PUCHAR)0x3F2, 0);
}
-BOOL DiskGetExtendedDriveParameters(ULONG DriveNumber, PVOID Buffer, USHORT BufferSize)
+BOOLEAN DiskGetExtendedDriveParameters(ULONG DriveNumber, PVOID Buffer, USHORT BufferSize)
{
REGS RegsIn;
REGS RegsOut;
PUSHORT Ptr = (PUSHORT)(BIOSCALLBUFFER);
- DbgPrint((DPRINT_DISK, "DiskGetExtendedDriveParameters()\n"));
+ DPRINTM(DPRINT_DISK, "DiskGetExtendedDriveParameters()\n");
+
+ if (!DiskInt13ExtensionsSupported(DriveNumber))
+ return FALSE;
// Initialize transfer buffer
*Ptr = BufferSize;
memcpy(Buffer, Ptr, BufferSize);
- return TRUE;
-}
-
-BOOL i386DiskGetBootVolume(PULONG DriveNumber, PULONGLONG StartSector, PULONGLONG SectorCount, int *FsType)
-{
- PARTITION_TABLE_ENTRY PartitionTableEntry;
- UCHAR VolumeType;
-
- DbgPrint((DPRINT_FILESYSTEM, "FsOpenVolume() DriveNumber: 0x%x PartitionNumber: 0x%x\n", i386BootDrive, i386BootPartition));
-
- // Check and see if it is a floppy drive
- // If so then just assume FAT12 file system type
- if (DiskIsDriveRemovable(i386BootDrive))
- {
- DbgPrint((DPRINT_FILESYSTEM, "Drive is a floppy diskette drive. Assuming FAT12 file system.\n"));
-
- *DriveNumber = i386BootDrive;
- *StartSector = 0;
- *SectorCount = 2 * 80 * 18; /* FIXME hardcoded for 1.44 Mb */
- *FsType = FS_FAT;
- return TRUE;
- }
-
- // Check for ISO9660 file system type
- if (i386BootDrive >= 0x80 && FsRecIsIso9660(i386BootDrive))
- {
- DbgPrint((DPRINT_FILESYSTEM, "Drive is a cdrom drive. Assuming ISO-9660 file system.\n"));
-
- *DriveNumber = i386BootDrive;
- *StartSector = 0;
- *SectorCount = 0;
- *FsType = FS_ISO9660;
- return TRUE;
- }
-
- // Get the requested partition entry
- if (i386BootPartition == 0)
- {
- // Partition requested was zero which means the boot partition
- if (! DiskGetActivePartitionEntry(i386BootDrive, &PartitionTableEntry))
- {
- return FALSE;
- }
- }
- else
- {
- // Get requested partition
- if (! MachDiskGetPartitionEntry(i386BootDrive, i386BootPartition, &PartitionTableEntry))
- {
- return FALSE;
- }
- }
-
- // Check for valid partition
- if (PartitionTableEntry.SystemIndicator == PARTITION_ENTRY_UNUSED)
- {
- return FALSE;
- }
-
- // Try to recognize the file system
- if (!FsRecognizeVolume(i386BootDrive, PartitionTableEntry.SectorCountBeforePartition, &VolumeType))
- {
- return FALSE;
- }
-
- *DriveNumber = i386BootDrive;
- *StartSector = PartitionTableEntry.SectorCountBeforePartition;
- *SectorCount = PartitionTableEntry.PartitionSectorCount;
-
- //switch (PartitionTableEntry.SystemIndicator)
- switch (VolumeType)
- {
- case PARTITION_FAT_12:
- case PARTITION_FAT_16:
- case PARTITION_HUGE:
- case PARTITION_XINT13:
- case PARTITION_FAT32:
- case PARTITION_FAT32_XINT13:
- *FsType = FS_FAT;
- return TRUE;
- case PARTITION_EXT2:
- *FsType = FS_EXT2;
- return TRUE;
- case PARTITION_NTFS:
- *FsType = FS_NTFS;
- return TRUE;
- default:
- *FsType = 0;
- return FALSE;
- }
-
- return TRUE;
-}
-
-VOID
-i386DiskGetBootDevice(PULONG BootDevice)
-{
- ((char *)BootDevice)[0] = (char)i386BootDrive;
- ((char *)BootDevice)[1] = (char)i386BootPartition;
-}
-
-BOOL
-i386DiskBootingFromFloppy(VOID)
-{
- return i386BootDrive < 0x80;
-}
-
-#define IsRecognizedPartition(P) \
- ((P) == PARTITION_FAT_12 || \
- (P) == PARTITION_FAT_16 || \
- (P) == PARTITION_HUGE || \
- (P) == PARTITION_IFS || \
- (P) == PARTITION_EXT2 || \
- (P) == PARTITION_FAT32 || \
- (P) == PARTITION_FAT32_XINT13 || \
- (P) == PARTITION_XINT13)
-
-BOOL i386DiskGetSystemVolume(char *SystemPath,
- char *RemainingPath,
- PULONG Device,
- PULONG DriveNumber,
- PULONGLONG StartSector,
- PULONGLONG SectorCount,
- int *FsType)
-{
- ULONG PartitionNumber;
- PARTITION_TABLE_ENTRY PartitionTableEntry;
- UCHAR VolumeType;
- CHAR BootPath[256];
- unsigned i, RosPartition;
-
- /*
- * Verify system path
- */
- if (!DissectArcPath(SystemPath, BootPath, DriveNumber, &PartitionNumber))
- {
- return FALSE;
- }
- if (NULL != RemainingPath)
- {
- strcpy(RemainingPath, BootPath);
- }
-
- /* 0xff -> no partition table present, use whole device */
- if (0xff == PartitionNumber)
- {
- PartitionTableEntry.SectorCountBeforePartition = 0;
- i = 0xff;
- }
- else
- {
- /* recalculate the boot partition for freeldr */
- i = 0;
- RosPartition = 0;
- while (1)
- {
- if (!MachDiskGetPartitionEntry(*DriveNumber, ++i, &PartitionTableEntry))
- {
- return FALSE;
- }
- if (IsRecognizedPartition(PartitionTableEntry.SystemIndicator))
- {
- if (++RosPartition == PartitionNumber)
- {
- break;
- }
- }
- }
- }
-
- /* Check for ISO9660 file system type */
- if (*DriveNumber >= 0x80 && FsRecIsIso9660(*DriveNumber))
- {
- DbgPrint((DPRINT_FILESYSTEM, "Drive is a cdrom drive. Assuming ISO-9660 file system.\n"));
-
- if (NULL != Device)
- {
- ((char *)Device)[0] = (char)(*DriveNumber);
- ((char *)Device)[1] = (char)i;
- }
- *StartSector = 0;
- *SectorCount = 0;
- *FsType = FS_ISO9660;
- return TRUE;
- }
-
- if (!FsRecognizeVolume(*DriveNumber, PartitionTableEntry.SectorCountBeforePartition, &VolumeType))
- {
- return FALSE;
- }
-
- if (NULL != Device)
- {
- ((char *)Device)[0] = (char)(*DriveNumber);
- ((char *)Device)[1] = (char)i;
- }
- *StartSector = PartitionTableEntry.SectorCountBeforePartition;
- *SectorCount = PartitionTableEntry.PartitionSectorCount;
-
- switch (VolumeType)
- {
- case PARTITION_FAT_12:
- case PARTITION_FAT_16:
- case PARTITION_HUGE:
- case PARTITION_XINT13:
- case PARTITION_FAT32:
- case PARTITION_FAT32_XINT13:
- *FsType = FS_FAT;
- return TRUE;
- case PARTITION_EXT2:
- *FsType = FS_EXT2;
- return TRUE;
- case PARTITION_NTFS:
- *FsType = FS_NTFS;
- return TRUE;
- default:
- *FsType = 0;
- return FALSE;
- }
-
- return FALSE;
-}
-
-BOOL
-i386DiskGetBootPath(char *BootPath, unsigned Size)
-{
- static char Path[] = "multi(0)disk(0)";
- char Device[4];
-
- itoa(i386BootDrive, Device, 10);
- if (Size <= sizeof(Path) + 6 + strlen(Device))
- {
- return FALSE;
- }
- strcpy(BootPath, Path);
- strcat(BootPath, MachDiskBootingFromFloppy() ? "fdisk" : "cdrom");
- strcat(strcat(strcat(BootPath, "("), Device), ")");
+#if DBG
+ DPRINTM(DPRINT_DISK, "size of buffer: %x\n", Ptr[0]);
+ DPRINTM(DPRINT_DISK, "information flags: %x\n", Ptr[1]);
+ DPRINTM(DPRINT_DISK, "number of physical cylinders on drive: %u\n", *(PULONG)&Ptr[2]);
+ DPRINTM(DPRINT_DISK, "number of physical heads on drive: %u\n", *(PULONG)&Ptr[4]);
+ DPRINTM(DPRINT_DISK, "number of physical sectors per track: %u\n", *(PULONG)&Ptr[6]);
+ DPRINTM(DPRINT_DISK, "total number of sectors on drive: %I64u\n", *(unsigned long long*)&Ptr[8]);
+ DPRINTM(DPRINT_DISK, "bytes per sector: %u\n", Ptr[12]);
+ if (Ptr[0] >= 0x1e)
+ {
+ DPRINTM(DPRINT_DISK, "EED configuration parameters: %x:%x\n", Ptr[13], Ptr[14]);
+ if (Ptr[13] != 0xffff && Ptr[14] != 0xffff)
+ {
+ PUCHAR SpecPtr = (PUCHAR)(ULONG_PTR)((Ptr[13] << 4) + Ptr[14]);
+ DPRINTM(DPRINT_DISK, "SpecPtr: %x\n", SpecPtr);
+ DPRINTM(DPRINT_DISK, "physical I/O port base address: %x\n", *(PUSHORT)&SpecPtr[0]);
+ DPRINTM(DPRINT_DISK, "disk-drive control port address: %x\n", *(PUSHORT)&SpecPtr[2]);
+ DPRINTM(DPRINT_DISK, "drive flags: %x\n", SpecPtr[4]);
+ DPRINTM(DPRINT_DISK, "proprietary information: %x\n", SpecPtr[5]);
+ DPRINTM(DPRINT_DISK, "IRQ for drive: %u\n", SpecPtr[6]);
+ DPRINTM(DPRINT_DISK, "sector count for multi-sector transfers: %u\n", SpecPtr[7]);
+ DPRINTM(DPRINT_DISK, "DMA control: %x\n", SpecPtr[8]);
+ DPRINTM(DPRINT_DISK, "programmed I/O control: %x\n", SpecPtr[9]);
+ DPRINTM(DPRINT_DISK, "drive options: %x\n", *(PUSHORT)&SpecPtr[10]);
+ }
+ }
+ if (Ptr[0] >= 0x42)
+ {
+ DPRINTM(DPRINT_DISK, "signature: %x\n", Ptr[15]);
+ }
+#endif
return TRUE;
}
-#endif /* defined __i386__ */
-
/* EOF */
projects / reactos.git / blobdiff