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Add partition handling for the Xbox

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svn path=/trunk/; revision=11613
This commit is contained in:
Gé van Geldorp 2004-11-10 23:45:37 +00:00
parent 6f9d1917af
commit 2fada79f2e
14 changed files with 92 additions and 15 deletions
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3
freeldr/freeldr/arch/i386/machpc.c
View file

@ -1,4 +1,4 @@
/* $Id: machpc.c,v 1.2 2004/11/09 23:36:19 gvg Exp $
/* $Id: machpc.c,v 1.3 2004/11/10 23:45:37 gvg Exp $
*
* FreeLoader
*
@ -35,6 +35,7 @@ PcMachInit(VOID)
MachVtbl.PutCharAttrAtLoc = PcConsPutCharAttrAtLoc;
MachVtbl.GetMemoryMap = PcMemGetMemoryMap;
MachVtbl.DiskReadLogicalSectors = PcDiskReadLogicalSectors;
MachVtbl.DiskGetPartitionEntry = PcDiskGetPartitionEntry;
}
/* EOF */

3
freeldr/freeldr/arch/i386/machpc.h
View file

@ -1,4 +1,4 @@
/* $Id: machpc.h,v 1.2 2004/11/09 23:36:19 gvg Exp $
/* $Id: machpc.h,v 1.3 2004/11/10 23:45:37 gvg Exp $
*
* FreeLoader
*
@ -35,6 +35,7 @@ VOID PcConsPutCharAttrAtLoc(int Ch, U8 Attr, unsigned X, unsigned Y);
U32 PcMemGetMemoryMap(PBIOS_MEMORY_MAP BiosMemoryMap, U32 MaxMemoryMapSize);
BOOL PcDiskReadLogicalSectors(U32 DriveNumber, U64 SectorNumber, U32 SectorCount, PVOID Buffer);
BOOL PcDiskGetPartitionEntry(U32 DriveNumber, U32 PartitionNumber, PPARTITION_TABLE_ENTRY PartitionTableEntry);
#endif /* __I386_MACHPC_H_ */

4
freeldr/freeldr/arch/i386/machxbox.c
View file

@ -1,4 +1,4 @@
/* $Id: machxbox.c,v 1.2 2004/11/09 23:36:19 gvg Exp $
/* $Id: machxbox.c,v 1.3 2004/11/10 23:45:37 gvg Exp $
*
* FreeLoader
*
@ -35,4 +35,6 @@ XboxMachInit(VOID)
MachVtbl.PutCharAttrAtLoc = XboxVideoPutCharAttrAtLoc;
MachVtbl.GetMemoryMap = XboxMemGetMemoryMap;
MachVtbl.DiskReadLogicalSectors = XboxDiskReadLogicalSectors;
MachVtbl.DiskGetPartitionEntry = XboxDiskGetPartitionEntry;
}

3
freeldr/freeldr/arch/i386/machxbox.h
View file

@ -1,4 +1,4 @@
/* $Id: machxbox.h,v 1.2 2004/11/09 23:36:19 gvg Exp $
/* $Id: machxbox.h,v 1.3 2004/11/10 23:45:37 gvg Exp $
*
* FreeLoader
*
@ -38,6 +38,7 @@ PVOID XboxMemReserveMemory(U32 MbToReserve);
U32 XboxMemGetMemoryMap(PBIOS_MEMORY_MAP BiosMemoryMap, U32 MaxMemoryMapSize);
BOOL XboxDiskReadLogicalSectors(U32 DriveNumber, U64 SectorNumber, U32 SectorCount, PVOID Buffer);
BOOL XboxDiskGetPartitionEntry(U32 DriveNumber, U32 PartitionNumber, PPARTITION_TABLE_ENTRY PartitionTableEntry);
#endif /* __I386_HWXBOX_H_ */

4
freeldr/freeldr/arch/i386/pccons.c
View file

@ -1,4 +1,4 @@
/* $Id: pccons.c,v 1.1 2004/11/08 22:02:47 gvg Exp $
/* $Id: pccons.c,v 1.2 2004/11/10 23:45:37 gvg Exp $
*
* FreeLoader
*
@ -18,7 +18,7 @@
*/
#include "freeldr.h"
#include "mm.h"
#include "machine.h"
#include "arch.h"
#include "debug.h"
#include "machpc.h"

9
freeldr/freeldr/arch/i386/pcdisk.c
View file

@ -363,3 +363,12 @@ BOOL PcDiskReadLogicalSectors(U32 DriveNumber, U64 SectorNumber, U32 SectorCount
return TRUE;
}
BOOL
PcDiskGetPartitionEntry(U32 DriveNumber, U32 PartitionNumber, PPARTITION_TABLE_ENTRY PartitionTableEntry)
{
/* Just use the standard routine */
return DiskGetPartitionEntry(DriveNumber, PartitionNumber, PartitionTableEntry);
}
/* EOF */

4
freeldr/freeldr/arch/i386/pcmem.c
View file

@ -1,4 +1,4 @@
/* $Id: pcmem.c,v 1.1 2004/11/08 22:02:47 gvg Exp $
/* $Id: pcmem.c,v 1.2 2004/11/10 23:45:37 gvg Exp $
*
* FreeLoader
*
@ -23,7 +23,7 @@
#include "freeldr.h"
#include "arch.h"
#include "debug.h"
#include "mm.h"
#include "machine.h"
#include "machpc.h"
#include "portio.h"
#include "rtl.h"

48
freeldr/freeldr/arch/i386/xboxdisk.c
View file

@ -1,4 +1,4 @@
/* $Id: xboxdisk.c,v 1.1 2004/11/09 23:36:19 gvg Exp $
/* $Id: xboxdisk.c,v 1.2 2004/11/10 23:45:37 gvg Exp $
*
* FreeLoader
*
@ -17,12 +17,15 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Note: mostly ripped from atapi.c
* Some of this code was based on knowledge and/or code developed
* by the Xbox Linux group: http://www.xbox-linux.org
*
*/
#include "freeldr.h"
#include "debug.h"
#include "hardware.h"
#include "machine.h"
#include "machxbox.h"
#include "portio.h"
#include "rtl.h"
@ -30,6 +33,24 @@
#define XBOX_IDE_COMMAND_PORT 0x1f0
#define XBOX_IDE_CONTROL_PORT 0x170
#define XBOX_SIGNATURE_SECTOR 3
#define XBOX_SIGNATURE ('B' | ('R' << 8) | ('F' << 16) | ('R' << 24))
static struct
{
U32 SectorCountBeforePartition;
U32 PartitionSectorCount;
U8 SystemIndicator;
} XboxPartitions[] =
{
/* This is in the \Device\Harddisk0\Partition.. order used by the Xbox kernel */
{ 0x0055F400, 0x0098f800, PARTITION_FAT32 }, /* Store, E: */
{ 0x00465400, 0x000FA000, PARTITION_FAT_16 }, /* System, C: */
{ 0x00000400, 0x00177000, PARTITION_FAT_16 }, /* Cache1, X: */
{ 0x00177400, 0x00177000, PARTITION_FAT_16 }, /* Cache2, Y: */
{ 0x002EE400, 0x00177000, PARTITION_FAT_16 } /* Cache3, Z: */
};
#define IDE_SECTOR_BUF_SZ 512
#define IDE_MAX_POLL_RETRIES 100000
#define IDE_MAX_BUSY_RETRIES 50000
@ -395,4 +416,29 @@ XboxDiskReadLogicalSectors(U32 DriveNumber, U64 SectorNumber, U32 SectorCount, P
return TRUE;
}
BOOL
XboxDiskGetPartitionEntry(U32 DriveNumber, U32 PartitionNumber, PPARTITION_TABLE_ENTRY PartitionTableEntry)
{
U8 SectorData[IDE_SECTOR_BUF_SZ];
/* This is the Xbox, chances are that there is a Xbox-standard partitionless
* disk in it so let's check that first */
if (1 <= PartitionNumber && PartitionNumber <= sizeof(XboxPartitions) / sizeof(XboxPartitions[0]) &&
MachDiskReadLogicalSectors(DriveNumber, XBOX_SIGNATURE_SECTOR, 1, SectorData))
{
if (*((PU32) SectorData) == XBOX_SIGNATURE)
{
memset(PartitionTableEntry, 0, sizeof(PARTITION_TABLE_ENTRY));
PartitionTableEntry->SystemIndicator = XboxPartitions[PartitionNumber - 1].SystemIndicator;
PartitionTableEntry->SectorCountBeforePartition = XboxPartitions[PartitionNumber - 1].SectorCountBeforePartition;
PartitionTableEntry->PartitionSectorCount = XboxPartitions[PartitionNumber - 1].PartitionSectorCount;
return TRUE;
}
}
/* No magic Xbox partitions. Maybe there's a MBR */
return DiskGetPartitionEntry(DriveNumber, PartitionNumber, PartitionTableEntry);
}
/* EOF */

3
freeldr/freeldr/arch/i386/xboxfont.c
View file

@ -1,4 +1,4 @@
/* $Id: xboxfont.c,v 1.1 2004/11/08 22:02:47 gvg Exp $
/* $Id: xboxfont.c,v 1.2 2004/11/10 23:45:37 gvg Exp $
*
* FreeLoader
*
@ -20,6 +20,7 @@
*/
#include "freeldr.h"
#include "machine.h"
#include "machxbox.h"
U8 XboxFont8x16[256 * 16] =

3
freeldr/freeldr/arch/i386/xboxmem.c
View file

@ -1,4 +1,4 @@
/* $Id: xboxmem.c,v 1.2 2004/11/09 23:36:19 gvg Exp $
/* $Id: xboxmem.c,v 1.3 2004/11/10 23:45:37 gvg Exp $
*
* FreeLoader
*
@ -25,6 +25,7 @@
#include "mm.h"
#include "rtl.h"
#include "hardware.h"
#include "machine.h"
#include "machxbox.h"
#include "portio.h"

3
freeldr/freeldr/arch/i386/xboxvideo.c
View file

@ -1,4 +1,4 @@
/* $Id: xboxvideo.c,v 1.1 2004/11/08 22:02:47 gvg Exp $
/* $Id: xboxvideo.c,v 1.2 2004/11/10 23:45:37 gvg Exp $
*
* FreeLoader
*
@ -23,6 +23,7 @@
#include "freeldr.h"
#include "debug.h"
#include "rtl.h"
#include "machine.h"
#include "machxbox.h"
static PVOID FrameBuffer;

3
freeldr/freeldr/fs/fs.c
View file

@ -29,6 +29,7 @@
#include <ui.h>
#include <arch.h>
#include <debug.h>
#include <machine.h>
/////////////////////////////////////////////////////////////////////////////////////////////
@ -106,7 +107,7 @@ BOOL FsOpenVolume(U32 DriveNumber, U32 PartitionNumber)
else
{
// Get requested partition
if (DiskGetPartitionEntry(DriveNumber, PartitionNumber, &PartitionTableEntry) == FALSE)
if (MachDiskGetPartitionEntry(DriveNumber, PartitionNumber, &PartitionTableEntry) == FALSE)
{
FileSystemError("Partition not found.");
return FALSE;

8
freeldr/freeldr/include/machine.h
View file

@ -1,4 +1,4 @@
/* $Id: machine.h,v 1.2 2004/11/09 23:36:20 gvg Exp $
/* $Id: machine.h,v 1.3 2004/11/10 23:45:37 gvg Exp $
*
* FreeLoader
*
@ -20,6 +20,10 @@
#ifndef __MACHINE_H_
#define __MACHINE_H_
#ifndef __DISK_H
#include "disk.h"
#endif
#ifndef __MEMORY_H
#include "mm.h"
#endif
@ -33,6 +37,7 @@ typedef struct tagMACHVTBL
U32 (*GetMemoryMap)(PBIOS_MEMORY_MAP BiosMemoryMap, U32 MaxMemoryMapSize);
BOOL (*DiskReadLogicalSectors)(U32 DriveNumber, U64 SectorNumber, U32 SectorCount, PVOID Buffer);
BOOL (*DiskGetPartitionEntry)(U32 DriveNumber, U32 PartitionNumber, PPARTITION_TABLE_ENTRY PartitionTableEntry);
} MACHVTBL, *PMACHVTBL;
VOID MachInit(VOID);
@ -44,6 +49,7 @@ extern MACHVTBL MachVtbl;
#define MachPutCharAttrAtLoc(Ch, Attr, X, Y) MachVtbl.PutCharAttrAtLoc((Ch), (Attr), (X), (Y))
#define MachGetMemoryMap(MMap, Size) MachVtbl.GetMemoryMap((MMap), (Size))
#define MachDiskReadLogicalSectors(Drive, Start, Count, Buf) MachVtbl.DiskReadLogicalSectors((Drive), (Start), (Count), (Buf))
#define MachDiskGetPartitionEntry(Drive, Part, Entry) MachVtbl.DiskGetPartitionEntry((Drive), (Part), (Entry))
#endif /* __MACHINE_H_ */

9
freeldr/freeldr/machine.c
View file

@ -1,4 +1,4 @@
/* $Id: machine.c,v 1.2 2004/11/09 23:36:19 gvg Exp $
/* $Id: machine.c,v 1.3 2004/11/10 23:45:37 gvg Exp $
*
* FreeLoader
*
@ -25,6 +25,7 @@
#undef MachPutCharAttrAtLoc
#undef MachGetMemoryMap
#undef MachDiskReadLogicalSectors
#undef MachDiskGetPartitionEntry
MACHVTBL MachVtbl;
@ -58,4 +59,10 @@ MachDiskReadLogicalSectors(U32 DriveNumber, U64 SectorNumber, U32 SectorCount, P
return MachVtbl.DiskReadLogicalSectors(DriveNumber, SectorNumber, SectorCount, Buffer);
}
BOOL
MachDiskGetPartitionEntry(U32 DriveNumber, U32 PartitionNumber, PPARTITION_TABLE_ENTRY PartitionTableEntry)
{
return MachVtbl.DiskGetPartitionEntry(DriveNumber, PartitionNumber, PartitionTableEntry);
}
/* EOF */