[aandrejevic] 72508: [NTVDM:EMS] Implement EMS function 4E/03: "Get Size of Page-Mapping Array".

Author: aandrejevic
Date: Tue Aug 30 02:13:40 2016
New Revision: 72508
URL: http://svn.reactos.org/svn/reactos?rev=72508&view=rev
Log:
[NTVDM:EMS]
Implement EMS function 4E/03: "Get Size of Page-Mapping Array".
Modified:
    trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/emsdrv.c
Modified: trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/emsdrv.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/mvdm/ntvdm/dos/…
==============================================================================
--- trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/emsdrv.c  [iso-8859-1] (original)
+++ trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/emsdrv.c  [iso-8859-1] Tue Aug 30
02:13:40 2016
@@ -394,6 +394,39 @@
             break;
         }
+        /* Get or Set Page Map */
+        case 0x4E:
+        {
+            switch (getAL())
+            {
+                /* Get Mapping Registers  */
+                // case 0x00: // TODO: NOT IMPLEMENTED
+
+                /* Set Mapping Registers */
+                // case 0x01: // TODO: NOT IMPLEMENTED
+
+                /* Get and Set Mapping Registers At Once */
+                // case 0x02: // TODO: NOT IMPLEMENTED
+
+                /* Get Size of Page-Mapping Array */
+                case 0x03:
+                {
+                    setAH(EMS_STATUS_SUCCESS);
+                    setAL(sizeof(Mapping));
+                    break;
+                }
+
+                default:
+                {
+                    DPRINT1("EMS function AH = 0x4E, subfunction AL = %02X NOT
IMPLEMENTED\n", getAL());
+                    setAH(EMS_STATUS_UNKNOWN_FUNCTION);
+                    break;
+                }
+            }
+
+            break;
+        }
+
         /* Get/Set Handle Name */
         case 0x53:
         {