[ros-diffs] [gvg] 14698: Make disk partition handling architecture dependent, as not

Make disk partition handling architecture dependent, as not
all architectures have partitions
Modified: trunk/reactos/boot/freeldr/freeldr/arch/i386/arch.S
Modified: trunk/reactos/boot/freeldr/freeldr/arch/i386/boot.S
Added: trunk/reactos/boot/freeldr/freeldr/arch/i386/i386.h
Modified: trunk/reactos/boot/freeldr/freeldr/arch/i386/i386disk.c
Modified: trunk/reactos/boot/freeldr/freeldr/arch/i386/linux.S
Modified: trunk/reactos/boot/freeldr/freeldr/arch/i386/machpc.c
Modified: trunk/reactos/boot/freeldr/freeldr/arch/i386/machxbox.c
Modified: trunk/reactos/boot/freeldr/freeldr/bootmgr.c
Modified: trunk/reactos/boot/freeldr/freeldr/disk/partition.c
Modified: trunk/reactos/boot/freeldr/freeldr/fs/fs.c
Deleted: trunk/reactos/boot/freeldr/freeldr/fs/fsrec.h
Modified: trunk/reactos/boot/freeldr/freeldr/include/freeldr.h
Modified: trunk/reactos/boot/freeldr/freeldr/include/fs.h
Added: trunk/reactos/boot/freeldr/freeldr/include/fsrec.h
Modified: trunk/reactos/boot/freeldr/freeldr/include/machine.h
Modified: trunk/reactos/boot/freeldr/freeldr/inifile/ini.h
Modified: trunk/reactos/boot/freeldr/freeldr/inifile/ini_init.c
Modified: trunk/reactos/boot/freeldr/freeldr/linuxboot.c
Modified: trunk/reactos/boot/freeldr/freeldr/machine.c
Modified: trunk/reactos/boot/freeldr/freeldr/miscboot.c
Modified: trunk/reactos/boot/freeldr/freeldr/reactos/arcname.c
Modified: trunk/reactos/boot/freeldr/freeldr/reactos/reactos.c
Modified: trunk/reactos/boot/freeldr/freeldr/reactos/setupldr.c
  _____  

Modified: trunk/reactos/boot/freeldr/freeldr/arch/i386/arch.S
--- trunk/reactos/boot/freeldr/freeldr/arch/i386/arch.S	2005-04-19
06:26:01 UTC (rev 14697)
+++ trunk/reactos/boot/freeldr/freeldr/arch/i386/arch.S	2005-04-19
08:51:16 UTC (rev 14698)
@@ -47,10 +47,10 @@

 	.code32
 
 	/* Store the boot drive */
-	movb	%dl,(_BootDrive)
+	movb	%dl,(_i386BootDrive)
 
 	/* Store the boot partition */
-	movb	%dh,(_BootPartition)
+	movb	%dh,(_i386BootPartition)
 
 	/* GO! */
 	xorl	%eax,%eax
@@ -365,12 +365,12 @@
 	movl	MB_INFO_BOOT_DEVICE_OFFSET(%ebx),%eax
 	shrl	$16,%eax
 	incb	%al
-	movb	%al,_BootPartition
-	movb	%ah,_BootDrive
+	movb	%al,_i386BootPartition
+	movb	%ah,_i386BootDrive
 	jmp	mb4
 mb3:	/* No boot device known, assume first partition of first
harddisk */
-	movb	$0x80,_BootDrive
-	movb	$1,_BootPartition
+	movb	$0x80,_i386BootDrive
+	movb	$1,_i386BootPartition
 mb4:
 
 	/* Check for a command line */
@@ -462,8 +462,8 @@
 	.word	0x3ff		/* Limit */
 	.long	0			/* Base Address */
 
-EXTERN(_BootDrive)
+EXTERN(_i386BootDrive)
 	.long	0
 
-EXTERN(_BootPartition)
+EXTERN(_i386BootPartition)
 	.long	0
  _____  

Modified: trunk/reactos/boot/freeldr/freeldr/arch/i386/boot.S
--- trunk/reactos/boot/freeldr/freeldr/arch/i386/boot.S	2005-04-19
06:26:01 UTC (rev 14697)
+++ trunk/reactos/boot/freeldr/freeldr/arch/i386/boot.S	2005-04-19
08:51:16 UTC (rev 14698)
@@ -31,7 +31,7 @@

 	.code16
 
 	/* Set the boot drive */
-	movb	(_BootDrive),%dl
+	movb	(_i386BootDrive),%dl
 
 	/* Load segment registers */
 	cli
  _____  

Added: trunk/reactos/boot/freeldr/freeldr/arch/i386/i386.h
--- trunk/reactos/boot/freeldr/freeldr/arch/i386/i386.h	2005-04-19
06:26:01 UTC (rev 14697)
+++ trunk/reactos/boot/freeldr/freeldr/arch/i386/i386.h	2005-04-19
08:51:16 UTC (rev 14698)
@@ -0,0 +1,40 @@

+/*
+ *  FreeLoader
+ *
+ *  Copyright (C) 2003  Eric Kohl
+ *
+ *  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.
+ */
+
+#ifndef __I386_I386_H_
+#define __I386_I386_H_
+
+
+extern ULONG i386BootDrive;
+extern ULONG i386BootPartition;
+
+extern BOOL i386DiskGetBootVolume(PULONG DriveNumber, PULONGLONG
StartSector,
+                                  PULONGLONG SectorCount, int *FsType);
+extern BOOL i386DiskGetSystemVolume(char *SystemPath, char
*RemainingPath,
+                                    PULONG Device, PULONG DriveNumber,
+                                    PULONGLONG StartSector,
+                                    PULONGLONG SectorCount, int
*FsType);
+extern BOOL i386DiskGetBootPath(char *BootPath, unsigned Size);
+extern VOID i386DiskGetBootDevice(PULONG BootDevice);
+extern BOOL i386DiskBootingFromFloppy(VOID);
+
+#endif /* __I386_I386_H_ */
+
+/* EOF */
Property changes on: trunk/reactos/boot/freeldr/freeldr/arch/i386/i386.h
___________________________________________________________________
Name: svn:keywords
   + Author Date Id Revision
Name: svn:eol-style
   + native
  _____  

Modified: trunk/reactos/boot/freeldr/freeldr/arch/i386/i386disk.c
--- trunk/reactos/boot/freeldr/freeldr/arch/i386/i386disk.c
2005-04-19 06:26:01 UTC (rev 14697)
+++ trunk/reactos/boot/freeldr/freeldr/arch/i386/i386disk.c
2005-04-19 08:51:16 UTC (rev 14698)
@@ -19,6 +19,8 @@

 
 #include "freeldr.h"
 #include "debug.h"
+#include "i386.h"
+#include "fsrec.h"
 
 
////////////////////////////////////////////////////////////////////////
/////////////////////
 // FUNCTIONS
@@ -166,4 +168,244 @@
 	return TRUE;
 }
 
-#endif // defined __i386__
+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), ")");
+
+	return TRUE;
+}
+
+#endif /* defined __i386__ */
+
+/* EOF */
  _____  

Modified: trunk/reactos/boot/freeldr/freeldr/arch/i386/linux.S
--- trunk/reactos/boot/freeldr/freeldr/arch/i386/linux.S
2005-04-19 06:26:01 UTC (rev 14697)
+++ trunk/reactos/boot/freeldr/freeldr/arch/i386/linux.S
2005-04-19 08:51:16 UTC (rev 14698)
@@ -30,7 +30,7 @@

 	.code16
 
 	/* Set the boot drive */
-	movb	(_BootDrive),%dl
+	movb	(_i386BootDrive),%dl
 
 	/* Load segment registers */
 	cli
@@ -66,7 +66,7 @@
 	.code16
 
 	/* Set the boot drive */
-	movb	(_BootDrive),%dl
+	movb	(_i386BootDrive),%dl
 
 	/* Load segment registers */
 	cli
  _____  

Modified: trunk/reactos/boot/freeldr/freeldr/arch/i386/machpc.c
--- trunk/reactos/boot/freeldr/freeldr/arch/i386/machpc.c
2005-04-19 06:26:01 UTC (rev 14697)
+++ trunk/reactos/boot/freeldr/freeldr/arch/i386/machpc.c
2005-04-19 08:51:16 UTC (rev 14698)
@@ -23,6 +23,7 @@

 #include "machine.h"
 #include "machpc.h"
 #include "rtl.h"
+#include "i386.h"
 
 VOID
 PcMachInit(VOID)
@@ -48,6 +49,11 @@
   MachVtbl.VideoSync = PcVideoSync;
   MachVtbl.VideoPrepareForReactOS = PcVideoPrepareForReactOS;
   MachVtbl.GetMemoryMap = PcMemGetMemoryMap;
+  MachVtbl.DiskGetBootVolume = i386DiskGetBootVolume;
+  MachVtbl.DiskGetSystemVolume = i386DiskGetSystemVolume;
+  MachVtbl.DiskGetBootPath = i386DiskGetBootPath;
+  MachVtbl.DiskGetBootDevice = i386DiskGetBootDevice;
+  MachVtbl.DiskBootingFromFloppy = i386DiskBootingFromFloppy;
   MachVtbl.DiskReadLogicalSectors = PcDiskReadLogicalSectors;
   MachVtbl.DiskGetPartitionEntry = PcDiskGetPartitionEntry;
   MachVtbl.DiskGetDriveGeometry = PcDiskGetDriveGeometry;
  _____  

Modified: trunk/reactos/boot/freeldr/freeldr/arch/i386/machxbox.c
--- trunk/reactos/boot/freeldr/freeldr/arch/i386/machxbox.c
2005-04-19 06:26:01 UTC (rev 14697)
+++ trunk/reactos/boot/freeldr/freeldr/arch/i386/machxbox.c
2005-04-19 08:51:16 UTC (rev 14698)
@@ -21,6 +21,7 @@

 #include "mm.h"
 #include "machine.h"
 #include "machxbox.h"
+#include "i386.h"
 
 VOID
 XboxMachInit(VOID)
@@ -46,6 +47,11 @@
   MachVtbl.VideoSync = XboxVideoSync;
   MachVtbl.VideoPrepareForReactOS = XboxVideoPrepareForReactOS;
   MachVtbl.GetMemoryMap = XboxMemGetMemoryMap;
+  MachVtbl.DiskGetBootVolume = i386DiskGetBootVolume;
+  MachVtbl.DiskGetSystemVolume = i386DiskGetSystemVolume;
+  MachVtbl.DiskGetBootPath = i386DiskGetBootPath;
+  MachVtbl.DiskGetBootDevice = i386DiskGetBootDevice;
+  MachVtbl.DiskBootingFromFloppy = i386DiskBootingFromFloppy;
   MachVtbl.DiskReadLogicalSectors = XboxDiskReadLogicalSectors;
   MachVtbl.DiskGetPartitionEntry = XboxDiskGetPartitionEntry;
   MachVtbl.DiskGetDriveGeometry = XboxDiskGetDriveGeometry;
  _____  

Modified: trunk/reactos/boot/freeldr/freeldr/bootmgr.c
--- trunk/reactos/boot/freeldr/freeldr/bootmgr.c	2005-04-19
06:26:01 UTC (rev 14697)
+++ trunk/reactos/boot/freeldr/freeldr/bootmgr.c	2005-04-19
08:51:16 UTC (rev 14698)
@@ -49,6 +49,13 @@

 	LONG		TimeOut;
 	ULONG		SelectedOperatingSystem;
 
+	if (!FsOpenBootVolume())
+	{
+		printf("Error opening boot partition for file
access.\n");
+		MachConsGetCh();
+		return;
+	}
+
 	if (!IniFileInitialize())
 	{
 		printf("Press any key to reboot.\n");
  _____  

Modified: trunk/reactos/boot/freeldr/freeldr/disk/partition.c
--- trunk/reactos/boot/freeldr/freeldr/disk/partition.c	2005-04-19
06:26:01 UTC (rev 14697)
+++ trunk/reactos/boot/freeldr/freeldr/disk/partition.c	2005-04-19
08:51:16 UTC (rev 14698)
@@ -28,7 +28,8 @@

 
 BOOL DiskGetActivePartitionEntry(ULONG DriveNumber,
PPARTITION_TABLE_ENTRY PartitionTableEntry)
 {
-	ULONG					BootablePartitionCount =
0;
+	ULONG			BootablePartitionCount = 0;
+	ULONG			ActivePartition = 0;
 	MASTER_BOOT_RECORD	MasterBootRecord;
 
 	// Read master boot record
@@ -41,22 +42,22 @@
 	if (MasterBootRecord.PartitionTable[0].BootIndicator == 0x80)
 	{
 		BootablePartitionCount++;
-		BootPartition = 0;
+		ActivePartition = 0;
 	}
 	if (MasterBootRecord.PartitionTable[1].BootIndicator == 0x80)
 	{
 		BootablePartitionCount++;
-		BootPartition = 1;
+		ActivePartition = 1;
 	}
 	if (MasterBootRecord.PartitionTable[2].BootIndicator == 0x80)
 	{
 		BootablePartitionCount++;
-		BootPartition = 2;
+		ActivePartition = 2;
 	}
 	if (MasterBootRecord.PartitionTable[3].BootIndicator == 0x80)
 	{
 		BootablePartitionCount++;
-		BootPartition = 3;
+		ActivePartition = 3;
 	}
 
 	// Make sure there was only one bootable partition
@@ -72,7 +73,7 @@
 	}
 
 	// Copy the partition table entry
-	RtlCopyMemory(PartitionTableEntry,
&MasterBootRecord.PartitionTable[BootPartition],
sizeof(PARTITION_TABLE_ENTRY));
+	RtlCopyMemory(PartitionTableEntry,
&MasterBootRecord.PartitionTable[ActivePartition],
sizeof(PARTITION_TABLE_ENTRY));
 
 	return TRUE;
 }
  _____  

Modified: trunk/reactos/boot/freeldr/freeldr/fs/fs.c
--- trunk/reactos/boot/freeldr/freeldr/fs/fs.c	2005-04-19 06:26:01 UTC
(rev 14697)
+++ trunk/reactos/boot/freeldr/freeldr/fs/fs.c	2005-04-19 08:51:16 UTC
(rev 14698)
@@ -51,110 +51,78 @@

 
 /*
  *
- * BOOL FsOpenVolume(ULONG DriveNumber, ULONG PartitionNumber);
+ * BOOL FsOpenVolume(ULONG DriveNumber, ULONGLONG StartSector,
ULONGLONG SectorCount, int Type);
  *
  * This function is called to open a disk volume for file access.
  * It must be called before any of the file functions will work.
- * It takes two parameters:
  *
- * Drive: The BIOS drive number of the disk to open
- * Partition: This is zero for floppy drives.
- *            If the disk is a hard disk then this specifies
- *            The partition number to open (1 - 4)
- *            If it is zero then it opens the active (bootable)
partition
- *
  */
-BOOL FsOpenVolume(ULONG DriveNumber, ULONG PartitionNumber)
+static BOOL FsOpenVolume(ULONG DriveNumber, ULONGLONG StartSector,
ULONGLONG SectorCount, int Type)
 {
-	PARTITION_TABLE_ENTRY	PartitionTableEntry;
-	UCHAR					ErrorText[80];
-	UCHAR						VolumeType;
+	UCHAR ErrorText[80];
 
-	DbgPrint((DPRINT_FILESYSTEM, "FsOpenVolume() DriveNumber: 0x%x
PartitionNumber: 0x%x\n", DriveNumber, PartitionNumber));
+	FsType = Type;
 
-	// Check and see if it is a floppy drive
-	// If so then just assume FAT12 file system type
-	if (DiskIsDriveRemovable(DriveNumber))
+	switch (FsType)
 	{
-		DbgPrint((DPRINT_FILESYSTEM, "Drive is a floppy diskette
drive. Assuming FAT12 file system.\n"));
-
-		FsType = FS_FAT;
-		return FatOpenVolume(DriveNumber, 0, 0);
-	}
-
-	// 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"));
-
-		FsType = FS_ISO9660;
+	case FS_FAT:
+		return FatOpenVolume(DriveNumber, StartSector,
SectorCount);
+	case FS_EXT2:
+		return Ext2OpenVolume(DriveNumber, StartSector);
+	case FS_NTFS:
+		return NtfsOpenVolume(DriveNumber, StartSector);
+	case FS_ISO9660:
 		return IsoOpenVolume(DriveNumber);
+	default:
+		FsType = 0;
+		sprintf(ErrorText, "Unsupported file system. Type:
0x%x", Type);
+		FileSystemError(ErrorText);
 	}
 
-	// Set the boot partition
-	BootPartition = PartitionNumber;
+	return FALSE;
+}
+/*
+ *
+ * BOOL FsOpenBootVolume()
+ *
+ * This function is called to open the boot disk volume for file
access.
+ * It must be called before any of the file functions will work.
+ */
+BOOL FsOpenBootVolume()
+{
+	ULONG DriveNumber;
+	ULONGLONG StartSector;
+	ULONGLONG SectorCount;
+	int Type;
 
-	// Get the requested partition entry
-	if (PartitionNumber == 0)
+	if (! MachDiskGetBootVolume(&DriveNumber, &StartSector,
&SectorCount, &Type))
 	{
-		// Partition requested was zero which means the boot
partition
-		if (DiskGetActivePartitionEntry(DriveNumber,
&PartitionTableEntry) == FALSE)
-		{
-			FileSystemError("No active partition.");
-			return FALSE;
-		}
-	}
-	else
-	{
-		// Get requested partition
-		if (MachDiskGetPartitionEntry(DriveNumber,
PartitionNumber, &PartitionTableEntry) == FALSE)
-		{
-			FileSystemError("Partition not found.");
-			return FALSE;
-		}
-	}
-
-	// Check for valid partition
-	if (PartitionTableEntry.SystemIndicator ==
PARTITION_ENTRY_UNUSED)
-	{
-		FileSystemError("Invalid partition.");
+		FileSystemError("Unable to locate boot partition\n");
 		return FALSE;
 	}
 
-	// Try to recognize the file system
-	if (!FsRecognizeVolume(DriveNumber,
PartitionTableEntry.SectorCountBeforePartition, &VolumeType))
-	{
-		FileSystemError("Unrecognized file system.");
-		return FALSE;
-	}
+	return FsOpenVolume(DriveNumber, StartSector, SectorCount,
Type);
+}
 
-	//switch (PartitionTableEntry.SystemIndicator)
-	switch (VolumeType)
+BOOL FsOpenSystemVolume(char *SystemPath, char *RemainingPath, PULONG
Device)
+{
+	ULONG DriveNumber;
+	ULONGLONG StartSector;
+	ULONGLONG SectorCount;
+	int Type;
+
+	if (! MachDiskGetSystemVolume(SystemPath, RemainingPath, Device,
+	                              &DriveNumber, &StartSector,
&SectorCount,
+	                              &Type))
 	{
-	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 FatOpenVolume(DriveNumber,
PartitionTableEntry.SectorCountBeforePartition,
PartitionTableEntry.PartitionSectorCount);
-	case PARTITION_EXT2:
-		FsType = FS_EXT2;
-		return Ext2OpenVolume(DriveNumber,
PartitionTableEntry.SectorCountBeforePartition);
-	case PARTITION_NTFS:
-		FsType = FS_NTFS;
-		return NtfsOpenVolume(DriveNumber,
PartitionTableEntry.SectorCountBeforePartition);
-	default:
-		FsType = 0;
-		sprintf(ErrorText, "Unsupported file system. Type:
0x%x", VolumeType);
-		FileSystemError(ErrorText);
+		FileSystemError("Unable to locate system partition\n");
 		return FALSE;
 	}
 
-	return TRUE;
+	return FsOpenVolume(DriveNumber, StartSector, SectorCount,
Type);
 }
 
+
 PFILE FsOpenFile(PUCHAR FileName)
 {
 	PFILE	FileHandle = NULL;
  _____  

Deleted: trunk/reactos/boot/freeldr/freeldr/fs/fsrec.h
--- trunk/reactos/boot/freeldr/freeldr/fs/fsrec.h	2005-04-19
06:26:01 UTC (rev 14697)
+++ trunk/reactos/boot/freeldr/freeldr/fs/fsrec.h	2005-04-19
08:51:16 UTC (rev 14698)
@@ -1,29 +0,0 @@

-/*
- *  FreeLoader
- *  Copyright (C) 1998-2003  Brian Palmer  &lt;brianp(a)sginet.com&gt;
- *
- *  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.
- */
-
-#ifndef __FSREC_H
-#define __FSREC_H
-
-BOOL	FsRecognizeVolume(ULONG DriveNumber, ULONG VolumeStartSector,
UCHAR* VolumeType);
-BOOL	FsRecIsIso9660(ULONG DriveNumber);
-BOOL	FsRecIsExt2(ULONG DriveNumber, ULONG VolumeStartSector);
-BOOL	FsRecIsFat(ULONG DriveNumber, ULONG VolumeStartSector);
-BOOL	FsRecIsNtfs(ULONG DriveNumber, ULONG VolumeStartSector);
-
-#endif // #defined __FSREC_H
  _____  

Modified: trunk/reactos/boot/freeldr/freeldr/include/freeldr.h
--- trunk/reactos/boot/freeldr/freeldr/include/freeldr.h
2005-04-19 06:26:01 UTC (rev 14697)
+++ trunk/reactos/boot/freeldr/freeldr/include/freeldr.h
2005-04-19 08:51:16 UTC (rev 14698)
@@ -38,8 +38,6 @@

 #define ROUND_DOWN(N, S) ((N) & ~((S) - 1))
 #define Ke386EraseFlags(x)     __asm__ __volatile__("pushl $0 ;
popfl\n")
                                            
-extern ULONG BootDrive; /* BIOS boot drive, 0-A:, 1-B:, 0x80-C:,
0x81-D:, etc. */
-extern ULONG BootPartition; /* Boot Partition, 1-4 */
 extern BOOL UserInterfaceUp;	/* Tells us if the user interface is
displayed */
 
 VOID BootMain(LPSTR CmdLine);
  _____  

Modified: trunk/reactos/boot/freeldr/freeldr/include/fs.h
--- trunk/reactos/boot/freeldr/freeldr/include/fs.h	2005-04-19
06:26:01 UTC (rev 14697)
+++ trunk/reactos/boot/freeldr/freeldr/include/fs.h	2005-04-19
08:51:16 UTC (rev 14698)
@@ -33,7 +33,8 @@

 #define PFILE			FILE *
 
 VOID	FileSystemError(PUCHAR ErrorString);
-BOOL	FsOpenVolume(ULONG DriveNumber, ULONG PartitionNumber);
+BOOL	FsOpenBootVolume();
+BOOL	FsOpenSystemVolume(char *SystemPath, char *RemainingPath, PULONG
BootDevice);
 PFILE	FsOpenFile(PUCHAR FileName);
 VOID	FsCloseFile(PFILE FileHandle);
 BOOL	FsReadFile(PFILE FileHandle, ULONG BytesToRead, ULONG*
BytesRead, PVOID Buffer);
  _____  

Copied: trunk/reactos/boot/freeldr/freeldr/include/fsrec.h (from rev
14682, trunk/reactos/boot/freeldr/freeldr/fs/fsrec.h)
  _____  

Modified: trunk/reactos/boot/freeldr/freeldr/include/machine.h
--- trunk/reactos/boot/freeldr/freeldr/include/machine.h
2005-04-19 06:26:01 UTC (rev 14697)
+++ trunk/reactos/boot/freeldr/freeldr/include/machine.h
2005-04-19 08:51:16 UTC (rev 14698)
@@ -56,6 +56,11 @@

 
   ULONG (*GetMemoryMap)(PBIOS_MEMORY_MAP BiosMemoryMap, ULONG
MaxMemoryMapSize);
 
+  BOOL (*DiskGetBootVolume)(PULONG DriveNumber, PULONGLONG StartSector,
PULONGLONG SectorCount, int *FsType);
+  BOOL (*DiskGetSystemVolume)(char *SystemPath, char *RemainingPath,
PULONG Device, PULONG DriveNumber, PULONGLONG StartSector, PULONGLONG
SectorCount, int *FsType);
+  BOOL (*DiskGetBootPath)(char *BootPath, unsigned Size);
+  VOID (*DiskGetBootDevice)(PULONG BootDevice);
+  BOOL (*DiskBootingFromFloppy)(VOID);
   BOOL (*DiskReadLogicalSectors)(ULONG DriveNumber, ULONGLONG
SectorNumber, ULONG SectorCount, PVOID Buffer);
   BOOL (*DiskGetPartitionEntry)(ULONG DriveNumber, ULONG
PartitionNumber, PPARTITION_TABLE_ENTRY PartitionTableEntry);
   BOOL (*DiskGetDriveGeometry)(ULONG DriveNumber, PGEOMETRY
DriveGeometry);
@@ -87,6 +92,11 @@
 #define MachVideoSync()
MachVtbl.VideoSync()
 #define MachVideoPrepareForReactOS()
MachVtbl.VideoPrepareForReactOS()
 #define MachGetMemoryMap(MMap, Size)
MachVtbl.GetMemoryMap((MMap), (Size))
+#define MachDiskGetBootVolume(Drv, Start, Cnt, FsType)
MachVtbl.DiskGetBootVolume((Drv), (Start), (Cnt), (FsType))
+#define MachDiskGetSystemVolume(SysPath, RemPath, Dev, Drv, Start, Cnt,
FsType)	MachVtbl.DiskGetSystemVolume((SysPath), (RemPath), (Dev), (Drv),
(Start), (Cnt), (FsType))
+#define MachDiskGetBootPath(Path, Size)
MachVtbl.DiskGetBootPath((Path), (Size))
+#define MachDiskGetBootDevice(BootDevice)
MachVtbl.DiskGetBootDevice(BootDevice)
+#define MachDiskBootingFromFloppy()
MachVtbl.DiskBootingFromFloppy()
 #define MachDiskReadLogicalSectors(Drive, Start, Count, Buf)
MachVtbl.DiskReadLogicalSectors((Drive), (Start), (Count), (Buf))
 #define MachDiskGetPartitionEntry(Drive, Part, Entry)
MachVtbl.DiskGetPartitionEntry((Drive), (Part), (Entry))
 #define MachDiskGetDriveGeometry(Drive, Geom)
MachVtbl.DiskGetDriveGeometry((Drive), (Geom))
  _____  

Modified: trunk/reactos/boot/freeldr/freeldr/inifile/ini.h
--- trunk/reactos/boot/freeldr/freeldr/inifile/ini.h	2005-04-19
06:26:01 UTC (rev 14697)
+++ trunk/reactos/boot/freeldr/freeldr/inifile/ini.h	2005-04-19
08:51:16 UTC (rev 14698)
@@ -57,7 +57,7 @@

 extern	ULONG					IniFileSectionCount;
 extern	ULONG					IniFileSettingCount;
 
-PFILE	IniOpenIniFile(UCHAR BootDriveNumber, UCHAR
BootPartitionNumber);
+PFILE	IniOpenIniFile();
 
 BOOL	IniParseFile(PUCHAR IniFileData, ULONG IniFileSize);
 ULONG		IniGetNextLineSize(PUCHAR IniFileData, ULONG
IniFileSize, ULONG CurrentOffset);
  _____  

Modified: trunk/reactos/boot/freeldr/freeldr/inifile/ini_init.c
--- trunk/reactos/boot/freeldr/freeldr/inifile/ini_init.c
2005-04-19 06:26:01 UTC (rev 14697)
+++ trunk/reactos/boot/freeldr/freeldr/inifile/ini_init.c
2005-04-19 08:51:16 UTC (rev 14698)
@@ -33,23 +33,8 @@

 	BOOL	Success;
 
 	// Open freeldr.ini
-	// BootDrive & BootPartition are passed
-	// in from the boot sector code in the
-	// DL & DH registers.
-	Freeldr_Ini = IniOpenIniFile(BootDrive, BootPartition);
+	Freeldr_Ini = IniOpenIniFile();
 
-	// If we couldn't open freeldr.ini on the partition
-	// they specified in the boot sector then try
-	// opening the active (boot) partition.
-	if ((Freeldr_Ini == NULL) && (BootPartition != 0))
-	{
-		BootPartition = 0;
-
-		Freeldr_Ini = IniOpenIniFile(BootDrive, BootPartition);
-
-		return FALSE;
-	}
-
 	if (Freeldr_Ini == NULL)
 	{
 		printf("Error opening freeldr.ini or file not
found.\n");
@@ -87,24 +72,10 @@
 	return Success;
 }
 
-PFILE IniOpenIniFile(UCHAR BootDriveNumber, UCHAR BootPartitionNumber)
+PFILE IniOpenIniFile()
 {
 	PFILE	IniFileHandle;	// File handle for freeldr.ini
 
-	if (!FsOpenVolume(BootDriveNumber, BootPartitionNumber))
-	{
-		if (BootPartitionNumber == 0)
-		{
-			printf("Error opening active (bootable)
partition on boot drive 0x%x for file access.\n", BootDriveNumber);
-		}
-		else
-		{
-			printf("Error opening partition %d on boot drive
0x%x for file access.\n", BootPartitionNumber, BootDriveNumber);
-		}
-
-		return NULL;
-	}
-
 	// Try to open freeldr.ini
 	IniFileHandle = FsOpenFile("freeldr.ini");
 
  _____  

Modified: trunk/reactos/boot/freeldr/freeldr/linuxboot.c
--- trunk/reactos/boot/freeldr/freeldr/linuxboot.c	2005-04-19
06:26:01 UTC (rev 14697)
+++ trunk/reactos/boot/freeldr/freeldr/linuxboot.c	2005-04-19
08:51:16 UTC (rev 14698)
@@ -40,18 +40,19 @@

 
 PLINUX_BOOTSECTOR	LinuxBootSector = NULL;
 PLINUX_SETUPSECTOR	LinuxSetupSector = NULL;
-ULONG					SetupSectorSize = 0;
-BOOL				NewStyleLinuxKernel = FALSE;
-ULONG					LinuxKernelSize = 0;
-ULONG					LinuxInitrdSize = 0;
-UCHAR				LinuxKernelName[260];
-UCHAR				LinuxInitrdName[260];
-BOOL				LinuxHasInitrd = FALSE;
-UCHAR				LinuxCommandLine[260] = "";
-ULONG					LinuxCommandLineSize = 0;
-PVOID				LinuxKernelLoadAddress = NULL;
-PVOID				LinuxInitrdLoadAddress = NULL;
-UCHAR				LinuxBootDescription[80];
+ULONG			SetupSectorSize = 0;
+BOOL			NewStyleLinuxKernel = FALSE;
+ULONG			LinuxKernelSize = 0;
+ULONG			LinuxInitrdSize = 0;
+UCHAR			LinuxKernelName[260];
+UCHAR			LinuxInitrdName[260];
+BOOL			LinuxHasInitrd = FALSE;
+UCHAR			LinuxCommandLine[260] = "";
+ULONG			LinuxCommandLineSize = 0;
+PVOID			LinuxKernelLoadAddress = NULL;
+PVOID			LinuxInitrdLoadAddress = NULL;
+UCHAR			LinuxBootDescription[80];
+UCHAR			LinuxBootPath[260] = "";
 
 VOID LoadAndBootLinux(PUCHAR OperatingSystemName, PUCHAR Description)
 {
@@ -80,7 +81,7 @@
 	}
 
 	// Open the boot volume
-	if (!FsOpenVolume(BootDrive, BootPartition))
+	if (!FsOpenSystemVolume(LinuxBootPath, NULL, NULL))
 	{
 		UiMessageBox("Failed to open boot drive.");
 		goto LinuxBootFailed;
@@ -226,8 +227,7 @@
 BOOL LinuxParseIniSection(PUCHAR OperatingSystemName)
 {
 	UCHAR	SettingName[260];
-	UCHAR	SettingValue[260];
-	ULONG		SectionId;
+	ULONG	SectionId;
 
 	// Find all the message box settings and run them
 	UiShowMessageBoxesInSection(OperatingSystemName);
@@ -240,20 +240,12 @@
 		return FALSE;
 	}
 
-	if (!IniReadSettingByName(SectionId, "BootDrive", SettingValue,
260))
+	if (!IniReadSettingByName(SectionId, "BootPath", LinuxBootPath,
260))
 	{
-		UiMessageBox("Boot drive not specified for selected
OS!");
+		UiMessageBox("Boot path not specified for selected
OS!");
 		return FALSE;
 	}
 
-	BootDrive = DriveMapGetBiosDriveNumber(SettingValue);
-
-	BootPartition = 0;
-	if (IniReadSettingByName(SectionId, "BootPartition",
SettingValue, 260))
-	{
-		BootPartition = atoi(SettingValue);
-	}
-
 	// Get the kernel name
 	if (!IniReadSettingByName(SectionId, "Kernel", LinuxKernelName,
260))
 	{
  _____  

Modified: trunk/reactos/boot/freeldr/freeldr/machine.c
--- trunk/reactos/boot/freeldr/freeldr/machine.c	2005-04-19
06:26:01 UTC (rev 14697)
+++ trunk/reactos/boot/freeldr/freeldr/machine.c	2005-04-19
08:51:16 UTC (rev 14698)
@@ -37,6 +37,11 @@

 #undef MachVideoSync
 #undef MachVideoPrepareForReactOS
 #undef MachGetMemoryMap
+#undef MachDiskGetBootVolume
+#undef MachDiskGetSystemVolume
+#undef MachDiskGetBootPath
+#undef MachDiskGetBootDevice
+#undef MachDiskBootingFromFloppy
 #undef MachDiskReadLogicalSectors
 #undef MachDiskGetPartitionEntry
 #undef MachDiskGetDriveGeometry
@@ -149,6 +154,44 @@
 }
 
 BOOL
+MachDiskGetBootVolume(PULONG DriveNumber, PULONGLONG StartSector,
PULONGLONG SectorCount, int *FsType)
+{
+  return MachVtbl.DiskGetBootVolume(DriveNumber, StartSector,
SectorCount, FsType);
+}
+
+BOOL
+MachDiskGetSystemVolume(char *SystemPath,
+                        char *RemainingPath,
+                        PULONG Device,
+                        PULONG DriveNumber,
+                        PULONGLONG StartSector,
+                        PULONGLONG SectorCount,
+                        int *FsType)
+{
+  return MachVtbl.DiskGetSystemVolume(SystemPath, RemainingPath,
Device,
+                                      DriveNumber, StartSector,
SectorCount,
+                                      FsType);
+}
+
+BOOL
+MachDiskGetBootPath(char *BootPath, unsigned Size)
+{
+  return MachVtbl.DiskGetBootPath(BootPath, Size);
+}
+
+VOID
+MachDiskGetBootDevice(PULONG BootDevice)
+{
+  MachVtbl.DiskGetBootDevice(BootDevice);
+}
+
+BOOL
+MachDiskBootingFromFloppy()
+{
+  return MachVtbl.DiskBootingFromFloppy();
+}
+
+BOOL
 MachDiskReadLogicalSectors(ULONG DriveNumber, ULONGLONG SectorNumber,
ULONG SectorCount, PVOID Buffer)
 {
   return MachVtbl.DiskReadLogicalSectors(DriveNumber, SectorNumber,
SectorCount, Buffer);
  _____  

Modified: trunk/reactos/boot/freeldr/freeldr/miscboot.c
--- trunk/reactos/boot/freeldr/freeldr/miscboot.c	2005-04-19
06:26:01 UTC (rev 14697)
+++ trunk/reactos/boot/freeldr/freeldr/miscboot.c	2005-04-19
08:51:16 UTC (rev 14698)
@@ -33,10 +33,9 @@

 {
 	PFILE	FilePointer;
 	UCHAR	SettingName[80];
-	UCHAR	SettingValue[80];
-	ULONG		SectionId;
+	ULONG	SectionId;
 	UCHAR	FileName[260];
-	ULONG		BytesRead;
+	ULONG	BytesRead;
 
 	// Find all the message box settings and run them
 	UiShowMessageBoxesInSection(OperatingSystemName);
@@ -49,27 +48,13 @@
 		return;
 	}
 
-	if (!IniReadSettingByName(SectionId, "BootDrive", SettingValue,
80))
-	{
-		UiMessageBox("Boot drive not specified for selected
OS!");
-		return;
-	}
-
-	BootDrive = DriveMapGetBiosDriveNumber(SettingValue);
-
-	BootPartition = 0;
-	if (IniReadSettingByName(SectionId, "BootPartition",
SettingValue, 80))
-	{
-		BootPartition = atoi(SettingValue);
-	}
[truncated at 1000 lines; 341 more skipped]