From: David Welch <welch@cwcom.net>
Date: Thu, 28 Dec 2000 03:38:08 +0000 (+0000)
Subject: Implemented /Device/PhysicalMemory
X-Git-Tag: backups/FreeLoader@12428~426
X-Git-Url: https://git.reactos.org/?p=reactos.git;a=commitdiff_plain;h=0fc13a01ee8d0a4aa472afe943971af231ae103b

Implemented /Device/PhysicalMemory
Corrected an LPC bug when terminating a process with threads waiting for
LPC messages

svn path=/trunk/; revision=1479
---

diff --git a/reactos/Makefile b/reactos/Makefile
index 6651af4b223..1613ba3cc76 100644
--- a/reactos/Makefile
+++ b/reactos/Makefile
@@ -54,7 +54,7 @@ NET_DEVICE_DRIVERS = ne2000
 SYS_APPS = shell winlogon services
 
 APPS = args hello test cat bench apc shm lpc thread event file gditest \
-       pteb consume dump_shared_data vmtest regtest
+       pteb consume dump_shared_data vmtest regtest ptest
 
 #       objdir
 
diff --git a/reactos/drivers/fs/vfat/fat.c b/reactos/drivers/fs/vfat/fat.c
index 6a35b7a436e..4707effae8c 100644
--- a/reactos/drivers/fs/vfat/fat.c
+++ b/reactos/drivers/fs/vfat/fat.c
@@ -1,5 +1,5 @@
 /*
- * $Id: fat.c,v 1.7 2000/12/07 16:58:42 jean Exp $
+ * $Id: fat.c,v 1.8 2000/12/28 03:38:08 dwelch Exp $
  *
  * COPYRIGHT:        See COPYING in the top level directory
  * PROJECT:          ReactOS kernel
@@ -22,7 +22,8 @@
 
 /* FUNCTIONS ****************************************************************/
 
-ULONG Fat32GetNextCluster(PDEVICE_EXTENSION DeviceExt, ULONG CurrentCluster)
+ULONG 
+Fat32GetNextCluster(PDEVICE_EXTENSION DeviceExt, ULONG CurrentCluster)
 /*
  * FUNCTION: Retrieve the next FAT32 cluster from the FAT table via a physical
  *           disk read
@@ -44,7 +45,8 @@ ULONG Fat32GetNextCluster(PDEVICE_EXTENSION DeviceExt, ULONG CurrentCluster)
    return(CurrentCluster);
 }
 
-ULONG Fat16GetNextCluster(PDEVICE_EXTENSION DeviceExt, ULONG CurrentCluster)
+ULONG 
+Fat16GetNextCluster(PDEVICE_EXTENSION DeviceExt, ULONG CurrentCluster)
 /*
  * FUNCTION: Retrieve the next FAT16 cluster from the FAT table from the
  *           in-memory FAT
@@ -59,7 +61,8 @@ ULONG Fat16GetNextCluster(PDEVICE_EXTENSION DeviceExt, ULONG CurrentCluster)
    return(CurrentCluster);
 }
 
-ULONG Fat12GetNextCluster(PDEVICE_EXTENSION DeviceExt, ULONG CurrentCluster)
+ULONG 
+Fat12GetNextCluster(PDEVICE_EXTENSION DeviceExt, ULONG CurrentCluster)
 /*
  * FUNCTION: Retrieve the next FAT12 cluster from the FAT table from the
  *           in-memory FAT
@@ -68,26 +71,27 @@ ULONG Fat12GetNextCluster(PDEVICE_EXTENSION DeviceExt, ULONG CurrentCluster)
  unsigned char* CBlock;
  ULONG FATOffset;
  ULONG Entry;
-   CBlock = DeviceExt->FAT;
-   FATOffset = (CurrentCluster * 12)/ 8;//first byte containing value
-   if ((CurrentCluster % 2) == 0)
+ CBlock = DeviceExt->FAT;
+ FATOffset = (CurrentCluster * 12)/ 8;//first byte containing value
+ if ((CurrentCluster % 2) == 0)
    {
-    Entry = CBlock[FATOffset];
-    Entry |= ((CBlock[FATOffset+1] & 0xf)<<8);
+     Entry = CBlock[FATOffset];
+     Entry |= ((CBlock[FATOffset+1] & 0xf)<<8);
    }
-   else
+ else
    {
-    Entry = (CBlock[FATOffset] >> 4);
-    Entry |= (CBlock[FATOffset+1] << 4);
+     Entry = (CBlock[FATOffset] >> 4);
+     Entry |= (CBlock[FATOffset+1] << 4);
    }
-   DPRINT("Entry %x\n",Entry);
-   if (Entry >= 0xff8 && Entry <= 0xfff)
+ DPRINT("Entry %x\n",Entry);
+ if (Entry >= 0xff8 && Entry <= 0xfff)
     Entry = 0xffffffff;
-   DPRINT("Returning %x\n",Entry);
-   return(Entry);
+ DPRINT("Returning %x\n",Entry);
+ return(Entry);
 }
 
-ULONG GetNextCluster(PDEVICE_EXTENSION DeviceExt, ULONG CurrentCluster)
+ULONG 
+GetNextCluster(PDEVICE_EXTENSION DeviceExt, ULONG CurrentCluster)
 /*
  * FUNCTION: Retrieve the next cluster depending on the FAT type
  */
@@ -95,21 +99,21 @@ ULONG GetNextCluster(PDEVICE_EXTENSION DeviceExt, ULONG CurrentCluster)
    ULONG NextCluster;
    
    DPRINT("GetNextCluster(DeviceExt %x, CurrentCluster %x)\n",
-	    DeviceExt,CurrentCluster);
+	  DeviceExt,CurrentCluster);
    
    ExAcquireResourceSharedLite(&DeviceExt->FatResource, TRUE);
    
    if (DeviceExt->FatType == FAT16)
      {
-	NextCluster = Fat16GetNextCluster(DeviceExt, CurrentCluster);
+       NextCluster = Fat16GetNextCluster(DeviceExt, CurrentCluster);
      }
    else if (DeviceExt->FatType == FAT32)
      {
-	NextCluster = Fat32GetNextCluster(DeviceExt, CurrentCluster);
+       NextCluster = Fat32GetNextCluster(DeviceExt, CurrentCluster);
      }
    else
      {
-	NextCluster = Fat12GetNextCluster(DeviceExt, CurrentCluster);
+       NextCluster = Fat12GetNextCluster(DeviceExt, CurrentCluster);
      }
    
    ExReleaseResourceLite(&DeviceExt->FatResource);
@@ -117,7 +121,8 @@ ULONG GetNextCluster(PDEVICE_EXTENSION DeviceExt, ULONG CurrentCluster)
    return(NextCluster);
 }
 
-ULONG FAT16FindAvailableCluster(PDEVICE_EXTENSION DeviceExt)
+ULONG 
+FAT16FindAvailableCluster(PDEVICE_EXTENSION DeviceExt)
 /*
  * FUNCTION: Finds the first available cluster in a FAT16 table
  */
@@ -132,7 +137,8 @@ ULONG FAT16FindAvailableCluster(PDEVICE_EXTENSION DeviceExt)
    return 0;
 }
 
-ULONG FAT12FindAvailableCluster(PDEVICE_EXTENSION DeviceExt)
+ULONG 
+FAT12FindAvailableCluster(PDEVICE_EXTENSION DeviceExt)
 /*
  * FUNCTION: Finds the first available cluster in a FAT12 table
  */
@@ -162,7 +168,8 @@ ULONG FAT12FindAvailableCluster(PDEVICE_EXTENSION DeviceExt)
    return 0;
 }
 
-ULONG FAT32FindAvailableCluster(PDEVICE_EXTENSION DeviceExt)
+ULONG 
+FAT32FindAvailableCluster(PDEVICE_EXTENSION DeviceExt)
 /*
  * FUNCTION: Finds the first available cluster in a FAT32 table
  */
@@ -192,7 +199,8 @@ ULONG FAT32FindAvailableCluster(PDEVICE_EXTENSION DeviceExt)
    return 0;
 }
 
-ULONG FAT12CountAvailableClusters(PDEVICE_EXTENSION DeviceExt)
+ULONG 
+FAT12CountAvailableClusters(PDEVICE_EXTENSION DeviceExt)
 /*
  * FUNCTION: Counts free cluster in a FAT12 table
  */
@@ -227,7 +235,8 @@ ULONG FAT12CountAvailableClusters(PDEVICE_EXTENSION DeviceExt)
    return ulCount;
 }
 
-ULONG FAT16CountAvailableClusters(PDEVICE_EXTENSION DeviceExt)
+ULONG 
+FAT16CountAvailableClusters(PDEVICE_EXTENSION DeviceExt)
 /*
  * FUNCTION: Counts free clusters in a FAT16 table
  */
@@ -250,7 +259,8 @@ ULONG FAT16CountAvailableClusters(PDEVICE_EXTENSION DeviceExt)
    return ulCount;
 }
 
-ULONG FAT32CountAvailableClusters(PDEVICE_EXTENSION DeviceExt)
+ULONG 
+FAT32CountAvailableClusters(PDEVICE_EXTENSION DeviceExt)
 /*
  * FUNCTION: Counts free clusters in a FAT32 table
  */
@@ -282,8 +292,9 @@ ULONG FAT32CountAvailableClusters(PDEVICE_EXTENSION DeviceExt)
    return ulCount;
 }
 
-void  FAT12WriteCluster(PDEVICE_EXTENSION DeviceExt, ULONG ClusterToWrite,
-                        ULONG NewValue)
+VOID  
+FAT12WriteCluster(PDEVICE_EXTENSION DeviceExt, ULONG ClusterToWrite,
+		  ULONG NewValue)
 /*
  * FUNCTION: Writes a cluster to the FAT12 physical and in-memory tables
  */
@@ -330,8 +341,9 @@ void  FAT12WriteCluster(PDEVICE_EXTENSION DeviceExt, ULONG ClusterToWrite,
    }
 }
 
-void  FAT16WriteCluster(PDEVICE_EXTENSION DeviceExt, ULONG ClusterToWrite,
-                        ULONG NewValue)
+VOID  
+FAT16WriteCluster(PDEVICE_EXTENSION DeviceExt, ULONG ClusterToWrite,
+		  ULONG NewValue)
 /*
  * FUNCTION: Writes a cluster to the FAT16 physical and in-memory tables
  */
@@ -361,8 +373,9 @@ void  FAT16WriteCluster(PDEVICE_EXTENSION DeviceExt, ULONG ClusterToWrite,
      }
 }
 
-void  FAT32WriteCluster(PDEVICE_EXTENSION DeviceExt, ULONG ClusterToWrite,
-                        ULONG NewValue)
+VOID  
+FAT32WriteCluster(PDEVICE_EXTENSION DeviceExt, ULONG ClusterToWrite,
+		  ULONG NewValue)
 /*
  * FUNCTION: Writes a cluster to the FAT32 physical tables
  */
@@ -397,8 +410,9 @@ DbgPrint("FAT32WriteCluster %u : %u\n",ClusterToWrite,NewValue);
    ExFreePool(Block);
 }
 
-void  WriteCluster(PDEVICE_EXTENSION DeviceExt, ULONG ClusterToWrite,
-                   ULONG NewValue)
+VOID  
+WriteCluster(PDEVICE_EXTENSION DeviceExt, ULONG ClusterToWrite,
+	     ULONG NewValue)
 /*
  * FUNCTION: Write a changed FAT entry
  */
@@ -417,7 +431,8 @@ void  WriteCluster(PDEVICE_EXTENSION DeviceExt, ULONG ClusterToWrite,
      }
 }
 
-ULONG GetNextWriteCluster(PDEVICE_EXTENSION DeviceExt, ULONG CurrentCluster)
+ULONG 
+GetNextWriteCluster(PDEVICE_EXTENSION DeviceExt, ULONG CurrentCluster)
 /*
  * FUNCTION: Determines the next cluster to be written
  */
@@ -474,8 +489,9 @@ ULONG GetNextWriteCluster(PDEVICE_EXTENSION DeviceExt, ULONG CurrentCluster)
    }
 }
 
-ULONG ClusterToSector(PDEVICE_EXTENSION DeviceExt,
-			      unsigned long Cluster)
+ULONG 
+ClusterToSector(PDEVICE_EXTENSION DeviceExt,
+		unsigned long Cluster)
 /*
  * FUNCTION: Converts the cluster number to a sector number for this physical
  *           device
@@ -484,7 +500,8 @@ ULONG ClusterToSector(PDEVICE_EXTENSION DeviceExt,
   return DeviceExt->dataStart+((Cluster-2)*DeviceExt->Boot->SectorsPerCluster);
 }
 
-void VFATLoadCluster(PDEVICE_EXTENSION DeviceExt, PVOID Buffer, ULONG Cluster)
+VOID
+VFATLoadCluster(PDEVICE_EXTENSION DeviceExt, PVOID Buffer, ULONG Cluster)
 /*
  * FUNCTION: Load a cluster from the physical device
  */
@@ -503,7 +520,8 @@ void VFATLoadCluster(PDEVICE_EXTENSION DeviceExt, PVOID Buffer, ULONG Cluster)
    DPRINT("Finished VFATReadSectors\n");
 }
 
-void VFATWriteCluster(PDEVICE_EXTENSION DeviceExt, PVOID Buffer, ULONG Cluster)
+VOID 
+VFATWriteCluster(PDEVICE_EXTENSION DeviceExt, PVOID Buffer, ULONG Cluster)
 /*
  * FUNCTION: Write a cluster to the physical device
  */
diff --git a/reactos/install.sh b/reactos/install.sh
index 14dd006b560..b6c81e5331e 100644
--- a/reactos/install.sh
+++ b/reactos/install.sh
@@ -24,7 +24,7 @@ cp apps/cat/cat.exe $1/reactos/bin
 cp subsys/smss/smss.exe $1/reactos/system32
 cp subsys/csrss/csrss.exe $1/reactos/system32
 cp subsys/win32k/win32k.sys $1/reactos/system32/drivers
-#cp apps/system/winlogon/winlogon.exe $1/reactos/system32/
+cp apps/system/winlogon/winlogon.exe $1/reactos/system32/
 cp apps/apc/apc.exe $1/reactos/bin
 cp apps/shm/shmsrv.exe $1/reactos/bin
 cp apps/shm/shmclt.exe $1/reactos/bin
@@ -40,3 +40,4 @@ cp apps/dump_shared_data/dump_shared_data.exe $1/reactos/bin
 cp apps/vmtest/vmtest.exe $1/reactos/bin
 cp apps/uitest/uitest.exe $1/reactos/bin/
 cp apps/gditest/gditest.exe $1/reactos/bin/
+cp apps/ptest/ptest.exe $1/reactos/bin
diff --git a/reactos/ntoskrnl/include/internal/asm.inc b/reactos/ntoskrnl/include/internal/asm.inc
deleted file mode 100644
index 477a241fc7a..00000000000
--- a/reactos/ntoskrnl/include/internal/asm.inc
+++ /dev/null
@@ -1,25 +0,0 @@
-%macro DECLARE_EXTERNAL_SYMBOL 1
-%ifdef coff
-extern _%1
-%elifdef win32
-extern _%1
-%elifdef elf
-extern %1
-_%1:
-      call %1
-      ret
-%endif
-%endmacro
-
-%macro DECLARE_GLOBAL_SYMBOL 1
-%ifdef coff
-global _%1
-_%1:
-%elifdef win32
-global _%1
-_%1:
-%elifdef elf
-global %1
-%1:
-%endif
-%endmacro
diff --git a/reactos/ntoskrnl/include/internal/cc.h b/reactos/ntoskrnl/include/internal/cc.h
index 8750e29feef..40d981f42a5 100644
--- a/reactos/ntoskrnl/include/internal/cc.h
+++ b/reactos/ntoskrnl/include/internal/cc.h
@@ -1,10 +1,7 @@
 #ifndef __INCLUDE_INTERNAL_CC_H
 #define __INCLUDE_INTERNAL_CCS_H
-/* $Id: cc.h,v 1.1 2000/06/29 23:35:36 dwelch Exp $ */
-VOID
-STDCALL
-CcMdlReadCompleteDev (
-	IN	PMDL		MdlChain,
-	IN	PDEVICE_OBJECT	DeviceObject
-	);
+/* $Id: cc.h,v 1.2 2000/12/28 03:38:07 dwelch Exp $ */
+VOID STDCALL
+CcMdlReadCompleteDev (IN	PMDL		MdlChain,
+		      IN	PDEVICE_OBJECT	DeviceObject);
 #endif
diff --git a/reactos/ntoskrnl/include/internal/dbg.h b/reactos/ntoskrnl/include/internal/dbg.h
index d6eaae46da0..3d0706b6df8 100644
--- a/reactos/ntoskrnl/include/internal/dbg.h
+++ b/reactos/ntoskrnl/include/internal/dbg.h
@@ -4,7 +4,8 @@
 #include <napi/dbg.h>
 #include <internal/port.h>
 
-NTSTATUS STDCALL LpcSendDebugMessagePort(PEPORT Port,
-					 PLPC_DBG_MESSAGE Message);
+NTSTATUS STDCALL 
+LpcSendDebugMessagePort(PEPORT Port,
+			PLPC_DBG_MESSAGE Message);
 
 #endif /* __INCLUDE_INTERNAL_DBG_H */
diff --git a/reactos/ntoskrnl/include/internal/ex.h b/reactos/ntoskrnl/include/internal/ex.h
index 536738ed108..525439f924e 100644
--- a/reactos/ntoskrnl/include/internal/ex.h
+++ b/reactos/ntoskrnl/include/internal/ex.h
@@ -2,8 +2,8 @@
  * internal executive prototypes
  */
 
-#ifndef _INCLUDE_INTERNAL_EXECUTIVE_H
-#define _INCLUDE_INTERNAL_EXECUTIVE_H
+#ifndef __NTOSKRNL_INCLUDE_INTERNAL_EXECUTIVE_H
+#define __NTOSKRNL_INCLUDE_INTERNAL_EXECUTIVE_H
 
 #include <ddk/ntddk.h>
 #include <ntos/time.h>
@@ -14,10 +14,13 @@ TIME_ZONE_INFORMATION SystemTimeZoneInfo;
 
 /* INITIALIZATION FUNCTIONS *************************************************/
 
-VOID ExInit (VOID);
-VOID ExInitTimeZoneInfo (VOID);
-VOID ExInitializeWorkerThreads(VOID);
+VOID 
+ExInit (VOID);
+VOID 
+ExInitTimeZoneInfo (VOID);
+VOID 
+ExInitializeWorkerThreads(VOID);
 
-#endif /* _INCLUDE_INTERNAL_EXECUTIVE_H */
+#endif /* __NTOSKRNL_INCLUDE_INTERNAL_EXECUTIVE_H */
 
 
diff --git a/reactos/ntoskrnl/include/internal/i386/segment.h b/reactos/ntoskrnl/include/internal/i386/segment.h
index 279b777dbae..aec35708d8b 100644
--- a/reactos/ntoskrnl/include/internal/i386/segment.h
+++ b/reactos/ntoskrnl/include/internal/i386/segment.h
@@ -20,27 +20,26 @@
  * FILE:            ntoskrnl/include/internal/i386/segment.h
  * PURPOSE:         Segment selector definitions
  * PROGRAMMER:      David Welch (welch@cwcom.net)
- * UPDATE HISTORY:
- *                  Created ??/??/??
  */
 
 /* INCLUDES *****************************************************************/
 
-#ifndef __INCLUDE_INTERNAL_I386_SEGMENT_H
-#define __INCLUDE_INTERNAL_i386_SEGMENT_H
+#ifndef __NTOSKRNL_INCLUDE_INTERNAL_I386_SEGMENT_H
+#define __NTOSKRNL_INCLUDE_INTERNAL_i386_SEGMENT_H
 
 #define NULL_SELECTOR        (0x0)
 #define KERNEL_CS            (0x8)
 #define KERNEL_DS            (0x10)
 #define USER_CS              (0x18 + 0x3)
 #define USER_DS              (0x20 + 0x3)
-/*
- * FIXME: We actually have one TSS per thread
- */
+/* Task State Segment */
 #define TSS_SELECTOR         (0x28)
+/* Processor Control Region */
 #define PCR_SELECTOR         (0x30)
+/* Thread Environment Block */
 #define TEB_SELECTOR         (0x38 + 0x3)
-#define RESERVED1_SELECTOR   (0x40)
+#define RESERVED_SELECTOR   (0x40)
+/* Local Descriptor Table */
 #define LDT_SELECTOR         (0x48)
 
-#endif /* __INCLUDE_INTERNAL_I386_SEGMENT_H */
+#endif /* __NTOSKRNL_INCLUDE_INTERNAL_I386_SEGMENT_H */
diff --git a/reactos/ntoskrnl/include/internal/io.h b/reactos/ntoskrnl/include/internal/io.h
index fa0b8037e54..fb64d16291e 100644
--- a/reactos/ntoskrnl/include/internal/io.h
+++ b/reactos/ntoskrnl/include/internal/io.h
@@ -1,4 +1,22 @@
-/* $Id: io.h,v 1.6 2000/10/05 19:12:55 ekohl Exp $
+/*
+ *  ReactOS kernel
+ *  Copyright (C) 2000 David Welch <welch@cwcom.net>
+ *
+ *  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.
+ */
+/* $Id: io.h,v 1.7 2000/12/28 03:38:07 dwelch Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS kernel
@@ -9,8 +27,8 @@
  *               28/05/97: Created
  */
 
-#ifndef __INCLUDE_INTERNAL_IO_H
-#define __INCLUDE_INTERNAL_IO_H
+#ifndef __NTOSKRNL_INCLUDE_INTERNAL_IO_H
+#define __NTOSKRNL_INCLUDE_INTERNAL_IO_H
 
 #include <ddk/ntddk.h>
 #include <internal/ob.h>
@@ -23,14 +41,17 @@ extern POBJECT_TYPE		IoSymbolicLinkType;
  *          entry = pointer to the driver initialization routine
  * RETURNS: Success or failure
  */
-NTSTATUS IoInitializeDriver(PDRIVER_INITIALIZE DriverEntry);
-
-
+NTSTATUS 
+IoInitializeDriver(PDRIVER_INITIALIZE DriverEntry);
 
-VOID IoInitCancelHandling(VOID);
-VOID IoInitSymbolicLinkImplementation(VOID);
-VOID IoInitFileSystemImplementation(VOID);
-VOID IoInitVpbImplementation (VOID);
+VOID 
+IoInitCancelHandling(VOID);
+VOID 
+IoInitSymbolicLinkImplementation(VOID);
+VOID 
+IoInitFileSystemImplementation(VOID);
+VOID 
+IoInitVpbImplementation (VOID);
 
 NTSTATUS IoTryToMountStorageDevice(PDEVICE_OBJECT DeviceObject);
 POBJECT IoOpenSymlink(POBJECT SymbolicLink);
diff --git a/reactos/ntoskrnl/include/internal/kd.h b/reactos/ntoskrnl/include/internal/kd.h
index 6226f297bdc..f71831db979 100644
--- a/reactos/ntoskrnl/include/internal/kd.h
+++ b/reactos/ntoskrnl/include/internal/kd.h
@@ -1,4 +1,4 @@
-/* $Id: kd.h,v 1.1 2000/06/29 23:35:36 dwelch Exp $
+/* $Id: kd.h,v 1.2 2000/12/28 03:38:07 dwelch Exp $
  *
  * kernel debugger prototypes
  */
@@ -6,8 +6,7 @@
 #ifndef __INCLUDE_INTERNAL_KERNEL_DEBUGGER_H
 #define __INCLUDE_INTERNAL_KERNEL_DEBUGGER_H
 
-
-ULONG KdpPrintString (PANSI_STRING String);
-
+ULONG 
+KdpPrintString (PANSI_STRING String);
 
 #endif /* __INCLUDE_INTERNAL_KERNEL_DEBUGGER_H */
diff --git a/reactos/ntoskrnl/include/internal/ke.h b/reactos/ntoskrnl/include/internal/ke.h
index f694d206ebb..f1e6406b4fc 100644
--- a/reactos/ntoskrnl/include/internal/ke.h
+++ b/reactos/ntoskrnl/include/internal/ke.h
@@ -1,9 +1,24 @@
 /*
- * Various useful prototypes
+ *  ReactOS kernel
+ *  Copyright (C) 2000 David Welch <welch@cwcom.net>
+ *
+ *  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 __INCLUDE_INTERNAL_KERNEL_H
-#define __INCLUDE_INTERNAL_KERNEL_H
+#ifndef __NTOSKRNL_INCLUDE_INTERNAL_KERNEL_H
+#define __NTOSKRNL_INCLUDE_INTERNAL_KERNEL_H
 
 /* INCLUDES *****************************************************************/
 
diff --git a/reactos/ntoskrnl/include/internal/mm.h b/reactos/ntoskrnl/include/internal/mm.h
index 82e31521a78..0e81b6dfee1 100644
--- a/reactos/ntoskrnl/include/internal/mm.h
+++ b/reactos/ntoskrnl/include/internal/mm.h
@@ -42,6 +42,8 @@ enum
 #define SPE_DIRTY                               (0x8)
 #define SPE_IN_PAGEFILE                         (0x10)
 
+#define SO_PHYSICAL_MEMORY                      (0x1)
+
 typedef struct
 {
    ULONG Pages[NR_SECTION_PAGE_ENTRIES];
@@ -54,16 +56,17 @@ typedef struct
 
 typedef struct
 {
-   CSHORT Type;
-   CSHORT Size;
-   LARGE_INTEGER MaximumSize;
-   ULONG SectionPageProtection;
-   ULONG AllocateAttributes;
-   PFILE_OBJECT FileObject;
-   LIST_ENTRY ViewListHead;
-   KSPIN_LOCK ViewListLock;
-   KMUTEX Lock;
-   SECTION_PAGE_DIRECTORY PageDirectory;
+  CSHORT Type;
+  CSHORT Size;
+  LARGE_INTEGER MaximumSize;
+  ULONG SectionPageProtection;
+  ULONG AllocateAttributes;
+  PFILE_OBJECT FileObject;
+  LIST_ENTRY ViewListHead;
+  KSPIN_LOCK ViewListLock;
+  KMUTEX Lock;
+  SECTION_PAGE_DIRECTORY PageDirectory;
+  ULONG Flags;
 } SECTION_OBJECT, *PSECTION_OBJECT;
 
 typedef struct
@@ -299,6 +302,8 @@ VOID MmUnlockPage(PVOID PhysicalPage);
 
 NTSTATUS MmSafeCopyFromUser(PVOID Dest, PVOID Src, ULONG Count);
 NTSTATUS MmSafeCopyToUser(PVOID Dest, PVOID Src, ULONG Count);
+NTSTATUS 
+MmCreatePhysicalMemorySection(VOID);
 
 #define MM_PHYSICAL_PAGE_MPW_PENDING     (0x8)
 
diff --git a/reactos/ntoskrnl/ke/gdt.c b/reactos/ntoskrnl/ke/gdt.c
index 1548aa614a4..ce56df63661 100644
--- a/reactos/ntoskrnl/ke/gdt.c
+++ b/reactos/ntoskrnl/ke/gdt.c
@@ -34,9 +34,7 @@
 
 /* GLOBALS *******************************************************************/
 
-#define NR_TASKS 128
-
-USHORT KiGdt[(8 + NR_TASKS) * 4] = 
+USHORT KiGdt[10 * 4] = 
 {
  0x0, 0x0, 0x0, 0x0,              /* Null */
  0xffff, 0x0, 0x9a00, 0xcf,       /* Kernel CS */
@@ -53,8 +51,9 @@ static KSPIN_LOCK GdtLock;
 
 /* FUNCTIONS *****************************************************************/
 
-VOID KeSetBaseGdtSelector(ULONG Entry,
-			  PVOID Base)
+VOID 
+KeSetBaseGdtSelector(ULONG Entry,
+		     PVOID Base)
 {
    KIRQL oldIrql;
    
@@ -84,7 +83,8 @@ VOID KeSetBaseGdtSelector(ULONG Entry,
    KeReleaseSpinLock(&GdtLock, oldIrql);
 }
 
-VOID KeDumpGdtSelector(ULONG Entry)
+VOID 
+KeDumpGdtSelector(ULONG Entry)
 {
    USHORT a, b, c, d;
    ULONG RawLimit;
@@ -143,7 +143,8 @@ VOID KeFreeGdtSelector(ULONG Entry)
 #endif
 
 #if 0
-ULONG KeAllocateGdtSelector(ULONG Desc[2])
+ULONG 
+KeAllocateGdtSelector(ULONG Desc[2])
 /*
  * FUNCTION: Allocate a gdt selector
  * ARGUMENTS:
diff --git a/reactos/ntoskrnl/ke/multiboot.S b/reactos/ntoskrnl/ke/multiboot.S
index 7303f99cff1..98b23e11193 100644
--- a/reactos/ntoskrnl/ke/multiboot.S
+++ b/reactos/ntoskrnl/ke/multiboot.S
@@ -3,8 +3,6 @@
 
 #define KERNEL_BASE (0xc0000000)
 
-#define NR_TASKS (128)
-
 #define MULTIBOOT_HEADER_MAGIC (0x1BADB002)
 
 #define MULTIBOOT_HEADER_FLAGS (0x00010003)
@@ -708,7 +706,7 @@ lowmem_pagetable:
 	.long 0x3f8007,0x3f9007,0x3fa007,0x3fb007,0x3fc007,0x3fd007,0x3fe007,0x3ff007
 
 _gdt_descr:
-	.word ((8+NR_TASKS)*8)-1
+	.word (10*8)-1
 	.long _KiGdt
 	
 _idt_descr:
diff --git a/reactos/ntoskrnl/lpc/queue.c b/reactos/ntoskrnl/lpc/queue.c
index bb408690c07..1abe36f0a41 100644
--- a/reactos/ntoskrnl/lpc/queue.c
+++ b/reactos/ntoskrnl/lpc/queue.c
@@ -1,4 +1,4 @@
-/* $Id: queue.c,v 1.2 2000/10/22 16:36:51 ekohl Exp $
+/* $Id: queue.c,v 1.3 2000/12/28 03:38:07 dwelch Exp $
  * 
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS kernel
@@ -20,67 +20,59 @@
 #include <internal/debug.h>
 
 
-VOID
-STDCALL
-EiEnqueueMessagePort (
-	IN OUT	PEPORT		Port,
-	IN	PQUEUEDMESSAGE	Message
-	)
+VOID STDCALL
+EiEnqueueMessagePort (IN OUT	PEPORT		Port,
+		      IN	PQUEUEDMESSAGE	Message)
 {
-	InsertTailList (
-		& Port->QueueListHead,
-		& Message->QueueListEntry
-		);
-	Port->QueueLength++;
+  InsertTailList (&Port->QueueListHead,
+		  &Message->QueueListEntry);
+  Port->QueueLength++;
 }
 
 
-PQUEUEDMESSAGE
-STDCALL
-EiDequeueMessagePort (
-	IN OUT	PEPORT	Port
-	)
+PQUEUEDMESSAGE STDCALL
+EiDequeueMessagePort (IN OUT	PEPORT	Port)
 {
-	PQUEUEDMESSAGE	Message;
-	PLIST_ENTRY	entry;
+  PQUEUEDMESSAGE	Message;
+  PLIST_ENTRY	entry;
+  
+  if (IsListEmpty(&Port->QueueListHead))
+    {
+      return(NULL);
+    }
+  entry = RemoveHeadList (&Port->QueueListHead);
+  Message = CONTAINING_RECORD (entry, QUEUEDMESSAGE, QueueListEntry);
+  Port->QueueLength--;
    
-	entry = RemoveHeadList (& Port->QueueListHead);
-	Message = CONTAINING_RECORD (entry, QUEUEDMESSAGE, QueueListEntry);
-	Port->QueueLength--;
-   
-	return (Message);
+  return (Message);
 }
 
 
-VOID
-STDCALL
-EiEnqueueConnectMessagePort (
-	IN OUT	PEPORT		Port,
-	IN	PQUEUEDMESSAGE	Message
-	)
+VOID STDCALL
+EiEnqueueConnectMessagePort (IN OUT	PEPORT		Port,
+			     IN	PQUEUEDMESSAGE	Message)
 {
-	InsertTailList (
-		& Port->ConnectQueueListHead,
-		& Message->QueueListEntry
-		);
-	Port->ConnectQueueLength++;
+  InsertTailList (&Port->ConnectQueueListHead,
+		  &Message->QueueListEntry);
+  Port->ConnectQueueLength++;
 }
 
 
-PQUEUEDMESSAGE
-STDCALL
-EiDequeueConnectMessagePort (
-	IN OUT	PEPORT	Port
-	)
+PQUEUEDMESSAGE STDCALL
+EiDequeueConnectMessagePort (IN OUT	PEPORT	Port)
 {
-	PQUEUEDMESSAGE	Message;
-	PLIST_ENTRY	entry;
-   
-	entry = RemoveHeadList (& Port->ConnectQueueListHead);
-	Message = CONTAINING_RECORD (entry, QUEUEDMESSAGE, QueueListEntry);
-	Port->ConnectQueueLength--;
-
-	return (Message);
+  PQUEUEDMESSAGE	Message;
+  PLIST_ENTRY	entry;
+  
+  if (IsListEmpty(&Port->ConnectQueueListHead))
+    {
+      return(NULL);
+    }
+  entry = RemoveHeadList (&Port->ConnectQueueListHead);
+  Message = CONTAINING_RECORD (entry, QUEUEDMESSAGE, QueueListEntry);
+  Port->ConnectQueueLength--;
+  
+  return (Message);
 }
 
 
diff --git a/reactos/ntoskrnl/lpc/reply.c b/reactos/ntoskrnl/lpc/reply.c
index 8d002a770f0..967af7f0bcb 100644
--- a/reactos/ntoskrnl/lpc/reply.c
+++ b/reactos/ntoskrnl/lpc/reply.c
@@ -1,4 +1,4 @@
-/* $Id: reply.c,v 1.2 2000/10/22 16:36:51 ekohl Exp $
+/* $Id: reply.c,v 1.3 2000/12/28 03:38:07 dwelch Exp $
  * 
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS kernel
@@ -9,7 +9,7 @@
  *                  Created 22/05/98
  */
 
-/* INCLUDES *****************************************************************/
+/* INCLUDES ******************************************************************/
 
 #include <ddk/ntddk.h>
 #include <internal/ob.h>
@@ -19,7 +19,7 @@
 #define NDEBUG
 #include <internal/debug.h>
 
-
+/* FUNCTIONS *****************************************************************/
 
 /**********************************************************************
  * NAME
@@ -33,14 +33,11 @@
  * REVISIONS
  *
  */
-NTSTATUS
-STDCALL
-EiReplyOrRequestPort (
-	IN	PEPORT		Port, 
-	IN	PLPC_MESSAGE	LpcReply, 
-	IN	ULONG		MessageType,
-	IN	PEPORT		Sender
-	)
+NTSTATUS STDCALL
+EiReplyOrRequestPort (IN	PEPORT		Port, 
+		      IN	PLPC_MESSAGE	LpcReply, 
+		      IN	ULONG		MessageType,
+		      IN	PEPORT		Sender)
 {
    KIRQL oldIrql;
    PQUEUEDMESSAGE MessageReply;
@@ -78,12 +75,9 @@ EiReplyOrRequestPort (
  * REVISIONS
  *
  */
-NTSTATUS
-STDCALL
-NtReplyPort (
-	IN	HANDLE		PortHandle,
-	IN	PLPC_MESSAGE	LpcReply
-	)
+NTSTATUS STDCALL
+NtReplyPort (IN	HANDLE		PortHandle,
+	     IN	PLPC_MESSAGE	LpcReply)
 {
    NTSTATUS Status;
    PEPORT Port;
@@ -126,14 +120,11 @@ NtReplyPort (
  * REVISIONS
  *
  */
-NTSTATUS
-STDCALL
-NtReplyWaitReceivePort (
-	HANDLE		PortHandle,
-	PULONG		PortId,
-	PLPC_MESSAGE	LpcReply,     
-	PLPC_MESSAGE	LpcMessage
-	)
+NTSTATUS STDCALL
+NtReplyWaitReceivePort (HANDLE		PortHandle,
+			PULONG		PortId,
+			PLPC_MESSAGE	LpcReply,     
+			PLPC_MESSAGE	LpcMessage)
 {
    NTSTATUS Status;
    PEPORT Port;
@@ -176,33 +167,49 @@ NtReplyWaitReceivePort (
    /*
     * Want for a message to be received
     */
-   DPRINT("Entering wait for message\n");
-   KeWaitForSingleObject(&Port->Event,
-			 UserRequest,
-			 UserMode,
-			 FALSE,
-			 NULL);
-   DPRINT("Woke from wait for message\n");
+   do
+     {
+       Status = KeWaitForSingleObject(&Port->Event,
+				      UserRequest,
+				      UserMode,
+				      FALSE,
+				      NULL);
+       if (!NT_SUCCESS(Status))
+	 {
+	   return(Status);
+	 }
+
+       /*
+	* Dequeue the message
+	*/
+       KeAcquireSpinLock(&Port->Lock, &oldIrql);
+       Request = EiDequeueMessagePort(Port);
+       
+       /*
+	* There is a race between the event being set and the port being
+	* taken in which another thread may dequeue the same request so
+	* we may need to loop.
+	*/
+       if (Request == NULL)
+	 {
+	   KeReleaseSpinLock(&Port->Lock, oldIrql);
+	 }
+     } while(Request == NULL);
    
-   /*
-    * Dequeue the message
-    */
-   KeAcquireSpinLock(&Port->Lock, &oldIrql);
-   Request = EiDequeueMessagePort(Port);
    memcpy(LpcMessage, &Request->Message, Request->Message.MessageSize);
    if (Request->Message.MessageType == LPC_CONNECTION_REQUEST)
      {
-	EiEnqueueConnectMessagePort(Port, Request);
-	KeReleaseSpinLock(&Port->Lock, oldIrql);
+       EiEnqueueConnectMessagePort(Port, Request);
+       KeReleaseSpinLock(&Port->Lock, oldIrql);
      }
    else
      {
-	KeReleaseSpinLock(&Port->Lock, oldIrql);
-	ExFreePool(Request);
+       KeReleaseSpinLock(&Port->Lock, oldIrql);
+       ExFreePool(Request);
      }
    
    /*
-    * 
+    * Dereference the port
     */
    ObDereferenceObject(Port);
    return(STATUS_SUCCESS);
@@ -221,14 +228,11 @@ NtReplyWaitReceivePort (
  * REVISIONS
  *
  */
-NTSTATUS
-STDCALL
-NtReplyWaitReplyPort (
-	HANDLE		PortHandle,
-	PLPC_MESSAGE	ReplyMessage
-	)
+NTSTATUS STDCALL
+NtReplyWaitReplyPort (HANDLE		PortHandle,
+		      PLPC_MESSAGE	ReplyMessage)
 {
-	UNIMPLEMENTED;
+   UNIMPLEMENTED;
 }
 
 
diff --git a/reactos/ntoskrnl/mm/mminit.c b/reactos/ntoskrnl/mm/mminit.c
index 903bc45cca2..444c7562795 100644
--- a/reactos/ntoskrnl/mm/mminit.c
+++ b/reactos/ntoskrnl/mm/mminit.c
@@ -1,4 +1,4 @@
-/* $Id: mminit.c,v 1.11 2000/12/20 18:44:20 jean Exp $
+/* $Id: mminit.c,v 1.12 2000/12/28 03:38:07 dwelch Exp $
  *
  * COPYRIGHT:   See COPYING in the top directory
  * PROJECT:     ReactOS kernel 
@@ -273,6 +273,8 @@ VOID MmInit2(VOID)
 VOID MmInit3(VOID)
 {
    MmInitPagerThread();
+   MmCreatePhysicalMemorySection();
+
    /* FIXME: Read parameters from memory */
 }
 
diff --git a/reactos/ntoskrnl/mm/section.c b/reactos/ntoskrnl/mm/section.c
index e7200114403..0a24c21c57f 100644
--- a/reactos/ntoskrnl/mm/section.c
+++ b/reactos/ntoskrnl/mm/section.c
@@ -1,4 +1,4 @@
-/* $Id: section.c,v 1.39 2000/10/22 16:36:52 ekohl Exp $
+/* $Id: section.c,v 1.40 2000/12/28 03:38:07 dwelch Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS kernel
@@ -43,14 +43,16 @@ VOID MmLockSection(PSECTION_OBJECT Section)
 			 NULL);
 }
 
-VOID MmUnlockSection(PSECTION_OBJECT Section)
+VOID 
+MmUnlockSection(PSECTION_OBJECT Section)
 {
    KeReleaseMutex(&Section->Lock, FALSE);
 }
 
-VOID MmSetPageEntrySection(PSECTION_OBJECT Section,
-			   ULONG Offset,
-			   ULONG Entry)
+VOID 
+MmSetPageEntrySection(PSECTION_OBJECT Section,
+		      ULONG Offset,
+		      ULONG Entry)
 {
    PSECTION_PAGE_TABLE Table;
    ULONG DirectoryOffset;
@@ -70,8 +72,9 @@ VOID MmSetPageEntrySection(PSECTION_OBJECT Section,
    Table->Pages[TableOffset] = Entry;
 }
 
-ULONG MmGetPageEntrySection(PSECTION_OBJECT Section,
-			    ULONG Offset)
+ULONG 
+MmGetPageEntrySection(PSECTION_OBJECT Section,
+		      ULONG Offset)
 {
    PSECTION_PAGE_TABLE Table;
    ULONG Entry;
@@ -92,9 +95,10 @@ ULONG MmGetPageEntrySection(PSECTION_OBJECT Section,
    return(Entry);
 }
 
-NTSTATUS MmUnalignedLoadPageForSection(PMADDRESS_SPACE AddressSpace,
-				       MEMORY_AREA* MemoryArea,
-				       PVOID Address)
+NTSTATUS 
+MmUnalignedLoadPageForSection(PMADDRESS_SPACE AddressSpace,
+			      MEMORY_AREA* MemoryArea,
+			      PVOID Address)
 {
    LARGE_INTEGER Offset;
    IO_STATUS_BLOCK IoStatus;
@@ -128,6 +132,15 @@ NTSTATUS MmUnalignedLoadPageForSection(PMADDRESS_SPACE AddressSpace,
    
    MmLockSection(Section);
    
+   /*
+    * Don't do an unaligned mapping of physical memory
+    */
+   if (Section->Flags & SO_PHYSICAL_MEMORY)
+     {
+       MmUnlockSection(Section);
+       return(STATUS_UNSUCCESSFUL);
+     }
+
    Page = MmAllocPageMaybeSwap(0);
    Mdl = MmCreateMdl(NULL, NULL, PAGESIZE);
    MmBuildMdlFromPages(Mdl, (PULONG)&Page);
@@ -162,12 +175,13 @@ NTSTATUS MmUnalignedLoadPageForSection(PMADDRESS_SPACE AddressSpace,
 
 }
 
-NTSTATUS MmWaitForPendingOperationSection(PMADDRESS_SPACE AddressSpace,
-					  PMEMORY_AREA MemoryArea,
-					  PVOID Address,
-					  PSECTION_OBJECT Section,
-					  LARGE_INTEGER Offset,
-					  ULONG Entry)
+NTSTATUS 
+MmWaitForPendingOperationSection(PMADDRESS_SPACE AddressSpace,
+				 PMEMORY_AREA MemoryArea,
+				 PVOID Address,
+				 PSECTION_OBJECT Section,
+				 LARGE_INTEGER Offset,
+				 ULONG Entry)
 {
    PVOID Page;
    NTSTATUS Status;
@@ -264,9 +278,10 @@ NTSTATUS MmWaitForPendingOperationSection(PMADDRESS_SPACE AddressSpace,
    return(STATUS_SUCCESS);
 }
 
-NTSTATUS MmNotPresentFaultSectionView(PMADDRESS_SPACE AddressSpace,
-				      MEMORY_AREA* MemoryArea, 
-				      PVOID Address)
+NTSTATUS 
+MmNotPresentFaultSectionView(PMADDRESS_SPACE AddressSpace,
+			     MEMORY_AREA* MemoryArea, 
+			     PVOID Address)
 {
    LARGE_INTEGER Offset;
    IO_STATUS_BLOCK IoStatus;
@@ -308,17 +323,25 @@ NTSTATUS MmNotPresentFaultSectionView(PMADDRESS_SPACE AddressSpace,
 					     Address));
      }
    
-   DPRINT("MemoryArea->BaseAddress %x\n", MemoryArea->BaseAddress);
-   DPRINT("MemoryArea->Data.SectionData.ViewOffset %x\n",
-	   MemoryArea->Data.SectionData.ViewOffset);
-   DPRINT("Got offset %x\n", Offset.QuadPart);
-   
    /*
     * Lock the section
     */
    Section = MemoryArea->Data.SectionData.Section;
    MmLockSection(Section);
    
+   if (Section->Flags & SO_PHYSICAL_MEMORY)
+     {
+       /*
+	* Just map the desired physical page 
+	*/
+       Status = MmCreateVirtualMapping(NULL,
+				       Address,
+				       MemoryArea->Attributes,
+				       Offset.QuadPart);
+       MmUnlockSection(Section);
+       return(STATUS_SUCCESS);
+     }
+   
    /*
     * Get the entry corresponding to the offset within the section
     */
@@ -496,22 +519,25 @@ NTSTATUS MmNotPresentFaultSectionView(PMADDRESS_SPACE AddressSpace,
      }
 }
 
-ULONG MmPageOutSectionView(PMADDRESS_SPACE AddressSpace,
-			   MEMORY_AREA* MemoryArea, 
-			   PVOID Address,
-			   PBOOLEAN Ul)
+ULONG 
+MmPageOutSectionView(PMADDRESS_SPACE AddressSpace,
+		     MEMORY_AREA* MemoryArea, 
+		     PVOID Address,
+		     PBOOLEAN Ul)
 {
    (*Ul) = FALSE;
    return(0);
 }
 
-VOID MmpDeleteSection(PVOID ObjectBody)
+VOID 
+MmpDeleteSection(PVOID ObjectBody)
 {
    DPRINT("MmpDeleteSection(ObjectBody %x)\n", ObjectBody);
 }
 
-VOID MmpCloseSection(PVOID ObjectBody,
-		     ULONG HandleCount)
+VOID 
+MmpCloseSection(PVOID ObjectBody,
+		ULONG HandleCount)
 {
    DPRINT("MmpCloseSection(OB %x, HC %d) RC %d\n",
 	   ObjectBody, HandleCount, ObGetReferenceCount(ObjectBody));
@@ -552,40 +578,91 @@ NTSTATUS MmpCreateSection(PVOID ObjectBody,
    return(STATUS_SUCCESS);
 }
 
-NTSTATUS MmInitSectionImplementation(VOID)
+NTSTATUS 
+MmCreatePhysicalMemorySection(VOID)
 {
-   MmSectionObjectType = ExAllocatePool(NonPagedPool,sizeof(OBJECT_TYPE));
-   
-   RtlInitUnicodeString(&MmSectionObjectType->TypeName, L"Section");
-
-   MmSectionObjectType->TotalObjects = 0;
-   MmSectionObjectType->TotalHandles = 0;
-   MmSectionObjectType->MaxObjects = ULONG_MAX;
-   MmSectionObjectType->MaxHandles = ULONG_MAX;
-   MmSectionObjectType->PagedPoolCharge = 0;
-   MmSectionObjectType->NonpagedPoolCharge = sizeof(SECTION_OBJECT);
-   MmSectionObjectType->Dump = NULL;
-   MmSectionObjectType->Open = NULL;
-   MmSectionObjectType->Close = MmpCloseSection;
-   MmSectionObjectType->Delete = MmpDeleteSection;
-   MmSectionObjectType->Parse = NULL;
-   MmSectionObjectType->Security = NULL;
-   MmSectionObjectType->QueryName = NULL;
-   MmSectionObjectType->OkayToClose = NULL;
-   MmSectionObjectType->Create = MmpCreateSection;
-   
-   return(STATUS_SUCCESS);
+  HANDLE PhysSectionH;
+  PSECTION_OBJECT PhysSection;
+  NTSTATUS Status;
+  OBJECT_ATTRIBUTES Obj;
+  UNICODE_STRING Name;
+  LARGE_INTEGER SectionSize;
+   
+  /*
+   * Create the section mapping physical memory 
+   */
+  SectionSize.QuadPart = 0xFFFFFFFF;
+  RtlInitUnicodeString(&Name, L"\\Device\\PhysicalMemory");
+  InitializeObjectAttributes(&Obj,			
+			     &Name,
+			     0,
+			     NULL,
+			     NULL);
+  Status = NtCreateSection(&PhysSectionH,
+			   SECTION_ALL_ACCESS,
+			   &Obj,			   
+			   &SectionSize,
+			   PAGE_EXECUTE_READWRITE,
+			   0,
+			   NULL);
+  if (!NT_SUCCESS(Status))
+    {
+      DbgPrint("Failed to create PhysicalMemory section\n");
+      KeBugCheck(0);
+    }
+  Status = ObReferenceObjectByHandle(PhysSectionH,
+				     SECTION_ALL_ACCESS,
+				     NULL,
+				     KernelMode,
+				     (PVOID*)&PhysSection,
+				     NULL);
+  if (!NT_SUCCESS(Status))
+    {
+      DbgPrint("Failed to reference PhysicalMemory section\n");
+      KeBugCheck(0);
+    }
+  PhysSection->Flags = PhysSection->Flags | SO_PHYSICAL_MEMORY;
+  ObDereferenceObject((PVOID)PhysSection);
+   
+  return(STATUS_SUCCESS);
+}
+
+NTSTATUS 
+MmInitSectionImplementation(VOID)
+{
+  MmSectionObjectType = ExAllocatePool(NonPagedPool,sizeof(OBJECT_TYPE));
+  
+  RtlInitUnicodeString(&MmSectionObjectType->TypeName, L"Section");
+  
+  MmSectionObjectType->TotalObjects = 0;
+  MmSectionObjectType->TotalHandles = 0;
+  MmSectionObjectType->MaxObjects = ULONG_MAX;
+  MmSectionObjectType->MaxHandles = ULONG_MAX;
+  MmSectionObjectType->PagedPoolCharge = 0;
+  MmSectionObjectType->NonpagedPoolCharge = sizeof(SECTION_OBJECT);
+  MmSectionObjectType->Dump = NULL;
+  MmSectionObjectType->Open = NULL;
+  MmSectionObjectType->Close = MmpCloseSection;
+  MmSectionObjectType->Delete = MmpDeleteSection;
+  MmSectionObjectType->Parse = NULL;
+  MmSectionObjectType->Security = NULL;
+  MmSectionObjectType->QueryName = NULL;
+  MmSectionObjectType->OkayToClose = NULL;
+  MmSectionObjectType->Create = MmpCreateSection;
+   
+  return(STATUS_SUCCESS);
 }
 
 
 /* FIXME: NtCS should call MmCS */
-NTSTATUS STDCALL NtCreateSection (OUT PHANDLE SectionHandle, 
-				  IN ACCESS_MASK DesiredAccess,
-				  IN POBJECT_ATTRIBUTES	ObjectAttributes OPTIONAL,
-				  IN PLARGE_INTEGER MaximumSize	OPTIONAL,  
-				  IN ULONG SectionPageProtection OPTIONAL,
-				  IN ULONG AllocationAttributes,
-				  IN HANDLE FileHandle OPTIONAL)
+NTSTATUS STDCALL 
+NtCreateSection (OUT PHANDLE SectionHandle, 
+		 IN ACCESS_MASK DesiredAccess,
+		 IN POBJECT_ATTRIBUTES	ObjectAttributes OPTIONAL,
+		 IN PLARGE_INTEGER MaximumSize	OPTIONAL,  
+		 IN ULONG SectionPageProtection OPTIONAL,
+		 IN ULONG AllocationAttributes,
+		 IN HANDLE FileHandle OPTIONAL)
 /*
  * FUNCTION: Creates a section object.
  * ARGUMENTS:
@@ -640,8 +717,9 @@ NTSTATUS STDCALL NtCreateSection (OUT PHANDLE SectionHandle,
    KeInitializeSpinLock(&Section->ViewListLock);
    KeInitializeMutex(&Section->Lock, 0);
    memset(&Section->PageDirectory, 0, sizeof(Section->PageDirectory));
-   
-   if (FileHandle != (HANDLE)0xffffffff)
+   Section->Flags = 0;
+
+   if (FileHandle != (HANDLE)0)
      {
 	Status = ObReferenceObjectByHandle(FileHandle,
 					   FILE_READ_DATA,
@@ -686,9 +764,10 @@ NTSTATUS STDCALL NtCreateSection (OUT PHANDLE SectionHandle,
  * REVISIONS
  *
  */
-NTSTATUS STDCALL NtOpenSection(PHANDLE			SectionHandle,
-			       ACCESS_MASK		DesiredAccess,
-			       POBJECT_ATTRIBUTES	ObjectAttributes)
+NTSTATUS STDCALL 
+NtOpenSection(PHANDLE			SectionHandle,
+	      ACCESS_MASK		DesiredAccess,
+	      POBJECT_ATTRIBUTES	ObjectAttributes)
 {
    PVOID Object;
    NTSTATUS Status;
@@ -765,16 +844,17 @@ NTSTATUS STDCALL NtOpenSection(PHANDLE			SectionHandle,
  * RETURN VALUE
  * 	Status.
  */
-NTSTATUS STDCALL NtMapViewOfSection(HANDLE SectionHandle,
-				    HANDLE ProcessHandle,
-				    PVOID* BaseAddress,
-				    ULONG ZeroBits,
-				    ULONG CommitSize,
-				    PLARGE_INTEGER SectionOffset,
-				    PULONG ViewSize,
-				    SECTION_INHERIT InheritDisposition,
-				    ULONG AllocationType,
-				    ULONG Protect)
+NTSTATUS STDCALL 
+NtMapViewOfSection(HANDLE SectionHandle,
+		   HANDLE ProcessHandle,
+		   PVOID* BaseAddress,
+		   ULONG ZeroBits,
+		   ULONG CommitSize,
+		   PLARGE_INTEGER SectionOffset,
+		   PULONG ViewSize,
+		   SECTION_INHERIT InheritDisposition,
+		   ULONG AllocationType,
+		   ULONG Protect)
 {
    PSECTION_OBJECT Section;
    PEPROCESS Process;
@@ -803,7 +883,7 @@ NTSTATUS STDCALL NtMapViewOfSection(HANDLE SectionHandle,
    if (!(NT_SUCCESS(Status)))
      {
 	DPRINT("ObReference failed rc=%x\n",Status);	   
-	return Status;
+	return(Status);
      }
    
    DPRINT("Section %x\n",Section);
@@ -821,7 +901,7 @@ NTSTATUS STDCALL NtMapViewOfSection(HANDLE SectionHandle,
 	       Status);
 	MmUnlockSection(Section);
 	ObDereferenceObject(Section);		
-	return Status;
+	return(Status);
      }
    
    AddressSpace = &Process->AddressSpace;
@@ -839,9 +919,9 @@ NTSTATUS STDCALL NtMapViewOfSection(HANDLE SectionHandle,
      }
    
    if (((*ViewSize)+ViewOffset) > Section->MaximumSize.u.LowPart)
-	{
+     {
 	   (*ViewSize) = Section->MaximumSize.u.LowPart - ViewOffset;
-	}
+     }
    
    DPRINT("Creating memory area\n");
    MmLockAddressSpace(AddressSpace);
@@ -861,7 +941,7 @@ NTSTATUS STDCALL NtMapViewOfSection(HANDLE SectionHandle,
 	MmUnlockSection(Section);
 	ObDereferenceObject(Section);
 	
-	return Status;
+	return(Status);
      }
    
    KeAcquireSpinLock(&Section->ViewListLock, &oldIrql);
@@ -884,8 +964,9 @@ NTSTATUS STDCALL NtMapViewOfSection(HANDLE SectionHandle,
    return(STATUS_SUCCESS);
 }
 
-NTSTATUS STDCALL MmUnmapViewOfSection(PEPROCESS Process,
-				      PMEMORY_AREA MemoryArea)
+NTSTATUS STDCALL 
+MmUnmapViewOfSection(PEPROCESS Process,
+		     PMEMORY_AREA MemoryArea)
 {
    PSECTION_OBJECT Section;
    KIRQL oldIrql;
@@ -922,8 +1003,9 @@ NTSTATUS STDCALL MmUnmapViewOfSection(PEPROCESS Process,
  * REVISIONS
  *
  */
-NTSTATUS STDCALL NtUnmapViewOfSection (HANDLE	ProcessHandle,
-				       PVOID	BaseAddress)
+NTSTATUS STDCALL 
+NtUnmapViewOfSection (HANDLE	ProcessHandle,
+		      PVOID	BaseAddress)
 {
    PEPROCESS	Process;
    NTSTATUS	Status;
@@ -964,10 +1046,20 @@ NTSTATUS STDCALL NtUnmapViewOfSection (HANDLE	ProcessHandle,
 				 MemoryArea);
    
    DPRINT("MmFreeMemoryArea()\n");
-   Status = MmFreeMemoryArea(&Process->AddressSpace,
-			     BaseAddress,
-			     0,
-			     TRUE);
+   if (MemoryArea->Data.SectionData.Section->Flags & SO_PHYSICAL_MEMORY)
+     {
+       Status = MmFreeMemoryArea(&Process->AddressSpace,
+				 BaseAddress,
+				 0,
+				 FALSE);
+     }
+   else
+     {
+       Status = MmFreeMemoryArea(&Process->AddressSpace,
+				 BaseAddress,
+				 0,
+				 TRUE);
+     }
    MmUnlockAddressSpace(AddressSpace);
    ObDereferenceObject(Process);
 
@@ -975,11 +1067,12 @@ NTSTATUS STDCALL NtUnmapViewOfSection (HANDLE	ProcessHandle,
 }
 
 
-NTSTATUS STDCALL NtQuerySection (IN	HANDLE	SectionHandle,
-				 IN	CINT	SectionInformationClass,
-				 OUT	PVOID	SectionInformation,
-				 IN	ULONG	Length, 
-				 OUT	PULONG	ResultLength)
+NTSTATUS STDCALL 
+NtQuerySection (IN	HANDLE	SectionHandle,
+		IN	CINT	SectionInformationClass,
+		OUT	PVOID	SectionInformation,
+		IN	ULONG	Length, 
+		OUT	PULONG	ResultLength)
 /*
  * FUNCTION: Queries the information of a section object.
  * ARGUMENTS: 
@@ -997,8 +1090,9 @@ NTSTATUS STDCALL NtQuerySection (IN	HANDLE	SectionHandle,
 }
 
 
-NTSTATUS STDCALL NtExtendSection(IN	HANDLE	SectionHandle,
-				 IN	ULONG	NewMaximumSize)
+NTSTATUS STDCALL 
+NtExtendSection(IN	HANDLE	SectionHandle,
+		IN	ULONG	NewMaximumSize)
 {
    UNIMPLEMENTED;
 }
@@ -1021,7 +1115,8 @@ NTSTATUS STDCALL NtExtendSection(IN	HANDLE	SectionHandle,
  * REVISIONS
  *
  */
-PVOID STDCALL MmAllocateSection (IN ULONG Length)
+PVOID STDCALL 
+MmAllocateSection (IN ULONG Length)
 {
    PVOID Result;
    MEMORY_AREA* marea;
@@ -1077,107 +1172,83 @@ PVOID STDCALL MmAllocateSection (IN ULONG Length)
  * 	Status.
  *
  */
-PVOID
-STDCALL
-MmMapViewOfSection (
-	DWORD	Unknown0,
-	DWORD	Unknown1,
-	DWORD	Unknown2,
-	DWORD	Unknown3,
-	DWORD	Unknown4,
-	DWORD	Unknown5,
-	DWORD	Unknown6,
-	DWORD	Unknown7,
-	DWORD	Unknown8,
-	DWORD	Unknown9
-	)
+PVOID STDCALL
+MmMapViewOfSection (DWORD	Unknown0,
+		    DWORD	Unknown1,
+		    DWORD	Unknown2,
+		    DWORD	Unknown3,
+		    DWORD	Unknown4,
+		    DWORD	Unknown5,
+		    DWORD	Unknown6,
+		    DWORD	Unknown7,
+		    DWORD	Unknown8,
+		    DWORD	Unknown9)
 {
 	UNIMPLEMENTED;
 	return (NULL);
 }
 
 
-BOOLEAN
-STDCALL
-MmCanFileBeTruncated (
-	IN	PSECTION_OBJECT_POINTERS	SectionObjectPointer,
-	IN	PLARGE_INTEGER			NewFileSize
-	)
+BOOLEAN STDCALL
+MmCanFileBeTruncated (IN PSECTION_OBJECT_POINTERS	SectionObjectPointer,
+		      IN PLARGE_INTEGER			NewFileSize)
 {
-	UNIMPLEMENTED;
-	return (FALSE);
+  UNIMPLEMENTED;
+  return (FALSE);
 }
 
 
-BOOLEAN
-STDCALL
-MmDisableModifiedWriteOfSection (
-	DWORD	Unknown0
-	)
+BOOLEAN STDCALL
+MmDisableModifiedWriteOfSection (DWORD	Unknown0)
 {
-	UNIMPLEMENTED;
-	return (FALSE);
+  UNIMPLEMENTED;
+  return (FALSE);
 }
 
-BOOLEAN
-STDCALL
-MmFlushImageSection (
-	IN	PSECTION_OBJECT_POINTERS	SectionObjectPointer,
-	IN	MMFLUSH_TYPE			FlushType
-	)
+BOOLEAN STDCALL
+MmFlushImageSection (IN	PSECTION_OBJECT_POINTERS	SectionObjectPointer,
+		     IN	MMFLUSH_TYPE			FlushType)
 {
-	UNIMPLEMENTED;
-	return (FALSE);
+  UNIMPLEMENTED;
+  return (FALSE);
 }
 
-BOOLEAN
-STDCALL
-MmForceSectionClosed (
-	DWORD	Unknown0,
-	DWORD	Unknown1
-	)
+BOOLEAN STDCALL
+MmForceSectionClosed (DWORD	Unknown0,
+		      DWORD	Unknown1)
 {
-	UNIMPLEMENTED;
-	return (FALSE);
+  UNIMPLEMENTED;
+  return (FALSE);
 }
 
 
-NTSTATUS
-STDCALL
-MmMapViewInSystemSpace (
-	IN	PVOID	Section,
-	OUT	PVOID	* MappedBase,
-	IN	PULONG	ViewSize
-	)
+NTSTATUS STDCALL
+MmMapViewInSystemSpace (IN	PVOID	Section,
+			OUT	PVOID	* MappedBase,
+			IN	PULONG	ViewSize)
 {
-	UNIMPLEMENTED;
-	return (STATUS_NOT_IMPLEMENTED);
+  UNIMPLEMENTED;
+  return (STATUS_NOT_IMPLEMENTED);
 }
 
-NTSTATUS
-STDCALL
-MmUnmapViewInSystemSpace (
-	DWORD	Unknown0
-	)
+NTSTATUS STDCALL
+MmUnmapViewInSystemSpace (DWORD	Unknown0)
 {
-	UNIMPLEMENTED;
-	return (STATUS_NOT_IMPLEMENTED);
+  UNIMPLEMENTED;
+  return (STATUS_NOT_IMPLEMENTED);
 }
 
 
-NTSTATUS
-STDCALL
-MmSetBankedSection (
-	DWORD	Unknown0,
-	DWORD	Unknown1,
-	DWORD	Unknown2,
-	DWORD	Unknown3,
-	DWORD	Unknown4,
-	DWORD	Unknown5
-	)
+NTSTATUS STDCALL
+MmSetBankedSection (DWORD	Unknown0,
+		    DWORD	Unknown1,
+		    DWORD	Unknown2,
+		    DWORD	Unknown3,
+		    DWORD	Unknown4,
+		    DWORD	Unknown5)
 {
-	UNIMPLEMENTED;
-	return (STATUS_NOT_IMPLEMENTED);
+  UNIMPLEMENTED;
+  return (STATUS_NOT_IMPLEMENTED);
 }
 
 
@@ -1234,20 +1305,23 @@ MmSetBankedSection (
  * RETURN VALUE
  * 	Status.
  */
-NTSTATUS
-STDCALL
-MmCreateSection (
-	OUT	PSECTION_OBJECT		* SectionObject,
-	IN	ACCESS_MASK		DesiredAccess,
-	IN	POBJECT_ATTRIBUTES	ObjectAttributes	OPTIONAL,
-	IN	PLARGE_INTEGER		MaximumSize,
-	IN	ULONG			SectionPageProtection,
-	IN	ULONG			AllocationAttributes,
-	IN	HANDLE			FileHandle		OPTIONAL,
-	IN	PFILE_OBJECT		File			OPTIONAL
-	)
+NTSTATUS STDCALL
+MmCreateSection (OUT	PSECTION_OBJECT		* SectionObject,
+		 IN	ACCESS_MASK		DesiredAccess,
+		 IN	POBJECT_ATTRIBUTES	ObjectAttributes     OPTIONAL,
+		 IN	PLARGE_INTEGER		MaximumSize,
+		 IN	ULONG			SectionPageProtection,
+		 IN	ULONG			AllocationAttributes,
+		 IN	HANDLE			FileHandle	  OPTIONAL,
+		 IN	PFILE_OBJECT		File		    OPTIONAL)
 {
-	return (STATUS_NOT_IMPLEMENTED);
+  return (STATUS_NOT_IMPLEMENTED);
 }
 
 /* EOF */
+
+
+
+
+
+