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Better LBA support

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Correctly determines FAT type based on cluster count instead of partition id

svn path=/trunk/; revision=2528
This commit is contained in:
Brian Palmer 2002-01-19 00:37:06 +00:00
parent c5c65dd160
commit 5db0abce79
56 changed files with 248 additions and 157 deletions
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2
freeldr/freeldr/Makefile
View file

@ -1,6 +1,6 @@
#
# FreeLoader
# Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
# Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/asmcode.S
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/asmcode.h
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/boot.S
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/cache.h
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/cache/Makefile vendored
View file

@ -1,6 +1,6 @@
#
# FreeLoader
# Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
# Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/cache/blocklist.c vendored
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/cache/cache.c vendored
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/cache/cm.h vendored
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/comm/Makefile
View file

@ -1,6 +1,6 @@
#
# FreeLoader
# Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
# Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/debug.c
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/debug.h
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/disk.h
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/disk/Makefile
View file

@ -1,6 +1,6 @@
#
# FreeLoader
# Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
# Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/disk/disk.c
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/disk/geometry.c
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/freeldr.c
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

6
freeldr/freeldr/freeldr.h
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -22,8 +22,8 @@
/* just some stuff */
#define VERSION "FreeLoader v0.8"
#define COPYRIGHT "Copyright (C) 1999, 2000 Brian Palmer <brianp@sginet.com>"
#define VERSION "FreeLoader v0.9"
#define COPYRIGHT "Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>"
#define ROSLDR_MAJOR_VERSION 0
#define ROSLDR_MINOR_VERSION 8

14
freeldr/freeldr/fs.h
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -91,20 +91,8 @@ BOOL IsEndOfFile(PFILE FileHandle);
#define EOF -1
#define ATTR_NORMAL 0x00
#define ATTR_READONLY 0x01
#define ATTR_HIDDEN 0x02
#define ATTR_SYSTEM 0x04
#define ATTR_VOLUMENAME 0x08
#define ATTR_DIRECTORY 0x10
#define ATTR_ARCHIVE 0x20
#define FS_FAT 1
#define FS_NTFS 2
#define FS_EXT2 3
#define FAT12 1
#define FAT16 2
#define FAT32 3
#endif // #defined __FS_H

2
freeldr/freeldr/fs/Makefile
View file

@ -1,6 +1,6 @@
#
# FreeLoader
# Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
# Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by

68
freeldr/freeldr/fs/fat.c
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -41,9 +41,13 @@ ULONG FatType = 0; // FAT12, FAT16, or FAT32
ULONG FatDriveNumber = 0;
BOOL FatOpenVolume(ULONG DriveNumber, ULONG VolumeStartHead, ULONG VolumeStartTrack, ULONG VolumeStartSector, ULONG FatFileSystemType)
BOOL FatOpenVolume(ULONG DriveNumber, ULONG VolumeStartSector)
{
FatType = FatFileSystemType;
ULONG PhysicalTrack;
ULONG PhysicalHead;
ULONG PhysicalSector;
// Store the drive number
FatDriveNumber = DriveNumber;
//
@ -72,14 +76,32 @@ BOOL FatOpenVolume(ULONG DriveNumber, ULONG VolumeStartHead, ULONG VolumeStartTr
return FALSE;
}
//
// Now try to read the boot sector
// If this fails then abort
//
if (!BiosInt13Read(DriveNumber, VolumeStartHead, VolumeStartTrack, VolumeStartSector, 1, FatVolumeBootSector))
if (BiosInt13ExtensionsSupported(DriveNumber))
{
return FALSE;
if (!BiosInt13ReadExtended(DriveNumber, VolumeStartSector, 1, FatVolumeBootSector))
{
FileSystemError("Disk read error.");
return FALSE;
}
}
else
{
// Calculate the physical disk offsets
PhysicalSector = 1 + (VolumeStartSector % get_sectors(DriveNumber));
PhysicalHead = (VolumeStartSector / get_sectors(DriveNumber)) % get_heads(DriveNumber);
PhysicalTrack = (VolumeStartSector / get_sectors(DriveNumber)) / get_heads(DriveNumber);
if (!BiosInt13Read(DriveNumber, PhysicalHead, PhysicalTrack, PhysicalSector, 1, FatVolumeBootSector))
{
FileSystemError("Disk read error.");
return FALSE;
}
}
// Get the FAT type
FatType = FatDetermineFatType(FatVolumeBootSector);
#ifdef DEBUG
@ -238,6 +260,38 @@ BOOL FatOpenVolume(ULONG DriveNumber, ULONG VolumeStartHead, ULONG VolumeStartTr
return TRUE;
}
ULONG FatDetermineFatType(PFAT_BOOTSECTOR FatBootSector)
{
ULONG RootDirSectors;
ULONG DataSectorCount;
ULONG SectorsPerFat;
ULONG TotalSectors;
ULONG CountOfClusters;
PFAT32_BOOTSECTOR Fat32BootSector = (PFAT32_BOOTSECTOR)FatBootSector;
RootDirSectors = ((FatBootSector->RootDirEntries * 32) + (FatBootSector->BytesPerSector - 1)) / FatBootSector->BytesPerSector;
SectorsPerFat = FatBootSector->SectorsPerFat ? FatBootSector->SectorsPerFat : Fat32BootSector->SectorsPerFatBig;
TotalSectors = FatBootSector->TotalSectors ? FatBootSector->TotalSectors : FatBootSector->TotalSectorsBig;
DataSectorCount = TotalSectors - (FatBootSector->ReservedSectors + (FatBootSector->NumberOfFats * SectorsPerFat) + RootDirSectors);
CountOfClusters = DataSectorCount / FatBootSector->SectorsPerCluster;
if (CountOfClusters < 4085)
{
/* Volume is FAT12 */
return FAT12;
}
else if (CountOfClusters < 65525)
{
/* Volume is FAT16 */
return FAT16;
}
else
{
/* Volume is FAT32 */
return FAT32;
}
}
PVOID FatBufferDirectory(UINT32 DirectoryStartCluster, PUINT32 EntryCountPointer, BOOL RootDirectory)
{
UINT32 RootDirectoryStartSector;

7
freeldr/freeldr/fs/fat.h
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -126,7 +126,8 @@ typedef struct
BOOL FatOpenVolume(ULONG DriveNumber, ULONG VolumeStartHead, ULONG VolumeStartTrack, ULONG VolumeStartSector, ULONG FatFileSystemType);
BOOL FatOpenVolume(ULONG DriveNumber, ULONG VolumeStartSector);
ULONG FatDetermineFatType(PFAT_BOOTSECTOR FatBootSector);
PVOID FatBufferDirectory(UINT32 DirectoryStartCluster, PUINT32 EntryCountPointer, BOOL RootDirectory);
BOOL FatSearchDirectoryBufferForFile(PVOID DirectoryBuffer, UINT32 EntryCount, PUCHAR FileName, PFAT_FILE_INFO FatFileInfoPointer);
BOOL FatLookupFile(PUCHAR FileName, PFAT_FILE_INFO FatFileInfoPointer);
@ -147,8 +148,6 @@ ULONG FatGetFilePointer(FILE *FileHandle);
BOOL FatReadVolumeSectors(ULONG DriveNumber, ULONG SectorNumber, ULONG SectorCount, PVOID Buffer);
#define EOF -1
#define ATTR_NORMAL 0x00
#define ATTR_READONLY 0x01
#define ATTR_HIDDEN 0x02

30
freeldr/freeldr/fs/filesys.h Normal file
View file

@ -0,0 +1,30 @@
/*
* FreeLoader
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* 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.
*/
#include <fs.h>
#ifndef __FILESYS_H
#define __FILESYS_H
BOOL FsInternalIsDiskPartitioned(ULONG DriveNumber); // Returns TRUE if the disk contains partitions, FALSE if floppy disk
BOOL FsInternalGetActivePartitionEntry(ULONG DriveNumber, PPARTITION_TABLE_ENTRY PartitionTableEntry); // Returns the active partition table entry
BOOL FsInternalGetPartitionEntry(ULONG DriveNumber, ULONG PartitionNumber, PPARTITION_TABLE_ENTRY PartitionTableEntry); // Returns the active partition table entry
ULONG FsInternalGetPartitionCount(ULONG DriveNumber); // Returns the number of partitions on the disk
#endif // #defined __FILESYS_H

179
freeldr/freeldr/fs/fs.c
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -19,6 +19,7 @@
#include <freeldr.h>
#include <fs.h>
#include "filesys.h"
#include "fat.h"
#include <disk.h>
#include <rtl.h>
@ -31,10 +32,7 @@
// DATA
/////////////////////////////////////////////////////////////////////////////////////////////
GEOMETRY DriveGeometry;
ULONG VolumeHiddenSectors;
ULONG CurrentlyOpenDriveNumber;
ULONG FileSystemType = 0; // Type of filesystem on boot device, set by OpenDiskDrive()
ULONG FileSystemType = 0; // Type of filesystem on boot device, set by OpenDiskDrive()
/////////////////////////////////////////////////////////////////////////////////////////////
// FUNCTIONS
@ -73,27 +71,19 @@ VOID FileSystemError(PUCHAR ErrorString)
*/
BOOL OpenDiskDrive(ULONG DriveNumber, ULONG PartitionNumber)
{
ULONG BootablePartitionCount = 0;
ULONG BootPartition = 0;
ULONG PartitionStartHead;
ULONG PartitionStartSector;
ULONG PartitionStartCylinder;
MASTER_BOOT_RECORD DriveMasterBootRecord;
MASTER_BOOT_RECORD DriveMasterBootRecord;
PARTITION_TABLE_ENTRY PartitionTableEntry;
DbgPrint((DPRINT_FILESYSTEM, "OpenDiskDrive() DriveNumber: 0x%x PartitionNumber: 0x%x\n", DriveNumber, PartitionNumber));
CurrentlyOpenDriveNumber = DriveNumber;
//
// Check and see if it is a floppy drive
// If so then just assume FAT12 file system type
//
if (DriveNumber < 0x80)
if (FsInternalIsDiskPartitioned(DriveNumber) == FALSE)
{
DbgPrint((DPRINT_FILESYSTEM, "Drive is a floppy diskette drive. Assuming FAT12 file system.\n"));
FileSystemType = FS_FAT;
return FatOpenVolume(DriveNumber, 0, 0, 1, FAT12);
return FatOpenVolume(DriveNumber, 0);
}
//
@ -130,98 +120,48 @@ BOOL OpenDiskDrive(ULONG DriveNumber, ULONG PartitionNumber)
#endif // defined DEBUG
//
// Check the partition table magic value
//
if (DriveMasterBootRecord.MasterBootRecordMagic != 0xaa55)
{
FileSystemError("Invalid partition table magic (0xaa55)");
return FALSE;
}
// Get the requested partition entry
if (PartitionNumber == 0)
{
//
// Count the bootable partitions
//
if (DriveMasterBootRecord.PartitionTable[0].BootIndicator == 0x80)
// Partition requested was zero which means the boot partition
if (FsInternalGetActivePartitionEntry(DriveNumber, &PartitionTableEntry) == FALSE)
{
BootablePartitionCount++;
BootPartition = 1;
}
if (DriveMasterBootRecord.PartitionTable[1].BootIndicator == 0x80)
{
BootablePartitionCount++;
BootPartition = 2;
}
if (DriveMasterBootRecord.PartitionTable[2].BootIndicator == 0x80)
{
BootablePartitionCount++;
BootPartition = 3;
}
if (DriveMasterBootRecord.PartitionTable[3].BootIndicator == 0x80)
{
BootablePartitionCount++;
BootPartition = 4;
}
//
// Make sure there was only one bootable partition
//
if (BootablePartitionCount != 1)
{
FileSystemError("Too many bootable partitions or none found.");
return FALSE;
}
else
}
else
{
// Get requested partition
if (FsInternalGetPartitionEntry(DriveNumber, PartitionNumber, &PartitionTableEntry) == FALSE)
{
//
// We found the boot partition, so set the partition number
//
PartitionNumber = BootPartition;
return FALSE;
}
}
//
// Right now the partition number is one-based
// and we need zero based
//
PartitionNumber--;
//
// Check for valid partition
//
if (DriveMasterBootRecord.PartitionTable[PartitionNumber].SystemIndicator == PARTITION_ENTRY_UNUSED)
if (PartitionTableEntry.SystemIndicator == PARTITION_ENTRY_UNUSED)
{
FileSystemError("Invalid partition.");
return FALSE;
}
PartitionStartHead = DriveMasterBootRecord.PartitionTable[PartitionNumber].StartHead;
PartitionStartSector = DriveMasterBootRecord.PartitionTable[PartitionNumber].StartSector & 0x3F;
PartitionStartCylinder = MAKE_CYLINDER(
DriveMasterBootRecord.PartitionTable[PartitionNumber].StartCylinder,
DriveMasterBootRecord.PartitionTable[PartitionNumber].StartSector);
DbgPrint((DPRINT_FILESYSTEM, "PartitionStartHead: %d\n", PartitionStartHead));
DbgPrint((DPRINT_FILESYSTEM, "PartitionStartSector: %d\n", PartitionStartSector));
DbgPrint((DPRINT_FILESYSTEM, "PartitionStartCylinder: %d\n", PartitionStartCylinder));
DbgPrint((DPRINT_FILESYSTEM, "PartitionNumber: %d\n", PartitionNumber));
switch (DriveMasterBootRecord.PartitionTable[PartitionNumber].SystemIndicator)
switch (PartitionTableEntry.SystemIndicator)
{
case PARTITION_FAT_12:
FileSystemType = FS_FAT;
return FatOpenVolume(DriveNumber, PartitionStartHead, PartitionStartCylinder, PartitionStartSector, FAT12);
case PARTITION_FAT_16:
case PARTITION_HUGE:
case PARTITION_XINT13:
FileSystemType = FS_FAT;
return FatOpenVolume(DriveNumber, PartitionStartHead, PartitionStartCylinder, PartitionStartSector, FAT16);
case PARTITION_FAT32:
case PARTITION_FAT32_XINT13:
FileSystemType = FS_FAT;
return FatOpenVolume(DriveNumber, PartitionStartHead, PartitionStartCylinder, PartitionStartSector, FAT32);
return FatOpenVolume(DriveNumber, PartitionTableEntry.StartSector);
default:
FileSystemType = 0;
FileSystemError("Unsupported file system.");
@ -231,6 +171,87 @@ BOOL OpenDiskDrive(ULONG DriveNumber, ULONG PartitionNumber)
return TRUE;
}
BOOL FsInternalIsDiskPartitioned(ULONG DriveNumber)
{
// Hard disks use drive numbers >= 0x80
// So if the drive number indicates a hard disk
// then return TRUE
if (DriveNumber >= 0x80)
{
return TRUE;
}
// Drive is a floppy diskette so return FALSE
return FALSE;
}
BOOL FsInternalGetActivePartitionEntry(ULONG DriveNumber, PPARTITION_TABLE_ENTRY PartitionTableEntry)
{
ULONG BootablePartitionCount = 0;
MASTER_BOOT_RECORD MasterBootRecord;
// Read master boot record
if (!BiosInt13Read(DriveNumber, 0, 0, 1, 1, &MasterBootRecord))
{
FileSystemError("Disk read error.");
return FALSE;
}
// Count the bootable partitions
if (MasterBootRecord.PartitionTable[0].BootIndicator == 0x80)
{
BootablePartitionCount++;
BootPartition = 0;
}
if (MasterBootRecord.PartitionTable[1].BootIndicator == 0x80)
{
BootablePartitionCount++;
BootPartition = 1;
}
if (MasterBootRecord.PartitionTable[2].BootIndicator == 0x80)
{
BootablePartitionCount++;
BootPartition = 2;
}
if (MasterBootRecord.PartitionTable[3].BootIndicator == 0x80)
{
BootablePartitionCount++;
BootPartition = 3;
}
// Make sure there was only one bootable partition
if (BootablePartitionCount != 1)
{
FileSystemError("Too many bootable partitions or none found.");
return FALSE;
}
// Copy the partition table entry
RtlCopyMemory(PartitionTableEntry, &MasterBootRecord.PartitionTable[BootPartition], sizeof(PARTITION_TABLE_ENTRY));
return TRUE;
}
BOOL FsInternalGetPartitionEntry(ULONG DriveNumber, ULONG PartitionNumber, PPARTITION_TABLE_ENTRY PartitionTableEntry)
{
MASTER_BOOT_RECORD MasterBootRecord;
// Read master boot record
if (!BiosInt13Read(DriveNumber, 0, 0, 1, 1, &MasterBootRecord))
{
FileSystemError("Disk read error.");
return FALSE;
}
// PartitionNumber is one-based and we need it zero-based
PartitionNumber--;
// Copy the partition table entry
RtlCopyMemory(PartitionTableEntry, &MasterBootRecord.PartitionTable[PartitionNumber], sizeof(PARTITION_TABLE_ENTRY));
return TRUE;
}
PFILE OpenFile(PUCHAR FileName)
{
PFILE FileHandle = NULL;

2
freeldr/freeldr/linux.c
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/linux.h
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/mb.S
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/mem.S
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/miscboot.c
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/miscboot.h
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/mm.h
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/mm/Makefile
View file

@ -1,6 +1,6 @@
#
# FreeLoader
# Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
# Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/mm/mm.c
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/multiboot.c
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/options.c
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/options.h
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/oslist.c
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/oslist.h
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/parseini.c
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/parseini.h
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

3
freeldr/freeldr/reactos.h
View file

@ -1,7 +1,6 @@
/*
* FreeLoader
*
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/reactos/Makefile
View file

@ -1,6 +1,6 @@
#
# FreeLoader
# Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
# Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/reactos/hwdetect.h
View file

@ -1,7 +1,7 @@
/*
* FreeLoader
*
* Copyright (C) 1999, 2000 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/reactos/reactos.c
View file

@ -1,7 +1,7 @@
/*
* FreeLoader
*
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/rtl.h
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/rtl/Makefile
View file

@ -1,6 +1,6 @@
#
# FreeLoader
# Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
# Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/rtl/list.c
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/rtl/memory.c
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/rtl/print.c
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/rtl/stdlib.c
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/rtl/string.c
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/rules.mk
View file

@ -1,6 +1,6 @@
#
# FreeLoader
# Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
# Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/ui.h
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/ui/Makefile
View file

@ -1,6 +1,6 @@
#
# FreeLoader
# Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
# Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/ui/menu.c
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000, 2001 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

2
freeldr/freeldr/ui/tui.c
View file

@ -1,6 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1999, 2000 Brian Palmer <brianp@sginet.com>
* Copyright (C) 1998-2002 Brian Palmer <brianp@sginet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by