[aandrejevic] 67651: [NTVDM] Use the SDA for storing the request in DosCallDriver. Rename some more fields we aren't going to use to "Unused..." in the SDA.

Author: aandrejevic
Date: Mon May 11 03:36:02 2015
New Revision: 67651

URL: http://svn.reactos.org/svn/reactos?rev=67651&view=rev
Log:
[NTVDM]
Use the SDA for storing the request in DosCallDriver.
Rename some more fields we aren't going to use to "Unused..." in the SDA.

Modified:
    trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/device.c
    trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/device.h
    trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/dos.h

Modified: trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/device.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/mvdm/ntvdm/dos/d...
==============================================================================
--- trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/device.c	[iso-8859-1] (original)
+++ trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/device.c	[iso-8859-1] Mon May 11 03:36:02 2015
@@ -47,23 +47,22 @@
 static VOID DosCallDriver(DWORD Driver, PDOS_REQUEST_HEADER Request)
 {
     PDOS_DRIVER DriverBlock = (PDOS_DRIVER)FAR_POINTER(Driver);
-    PDOS_REQUEST_HEADER RemoteRequest = FAR_POINTER(REQUEST_LOCATION);
     WORD ES = getES();
     WORD BX = getBX();

/* Set ES:BX to the location of the request */
-    setES(HIWORD(REQUEST_LOCATION));
-    setBX(LOWORD(REQUEST_LOCATION));
+    setES(DOS_DATA_SEGMENT);
+    setBX(DOS_DATA_OFFSET(Sda.Request));

/* Copy the request structure to ES:BX */
-    RtlMoveMemory(RemoteRequest, Request, Request->RequestLength);
+    RtlMoveMemory(&Sda->Request, Request, Request->RequestLength);

/* Call the strategy routine, and then the interrupt routine */
     Call16(HIWORD(Driver), DriverBlock->StrategyRoutine);
     Call16(HIWORD(Driver), DriverBlock->InterruptRoutine);

/* Get the request structure from ES:BX */
-    RtlMoveMemory(Request, RemoteRequest, Request->RequestLength);
+    RtlMoveMemory(Request, &Sda->Request, Request->RequestLength);

/* Restore ES:BX */
     setES(ES);

Modified: trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/device.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/mvdm/ntvdm/dos/d...
==============================================================================
--- trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/device.h	[iso-8859-1] (original)
+++ trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/device.h	[iso-8859-1] Mon May 11 03:36:02 2015
@@ -12,7 +12,6 @@
 /* DEFINITIONS ****************************************************************/

#define MAX_DEVICE_NAME 8
-#define REQUEST_LOCATION 0x00700100 // 0070:0100
 #define DEVICE_CODE_SIZE 10
 #define DEVICE_PRIVATE_AREA(Driver) (Driver + sizeof(DOS_DRIVER) + DEVICE_CODE_SIZE)

Modified: trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/dos.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/mvdm/ntvdm/dos/d...
==============================================================================
--- trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/dos.h	[iso-8859-1] (original)
+++ trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/dos.h	[iso-8859-1] Mon May 11 03:36:02 2015
@@ -178,12 +178,9 @@
     BYTE ConsoleSwappedFlag;
     BYTE Int28CallOk;
     BYTE Int24AbortFlag;
-    DOS_RW_REQUEST ReadWriteRequest;
+    DOS_RW_REQUEST Request;
     DWORD DriverEntryPoint;
-    DOS_IOCTL_RW_REQUEST IoctlRequest;
-    DOS_PEEK_REQUEST StatusRequest;
-    DWORD DeviceIoBuffer;
-    DWORD Unused2;
+    BYTE Unused2[44];
     BYTE PspCopyType;
     BYTE Unused3;
     BYTE UserNumber[3];