[BOOT] Improve debug logging

BOOT/ENVIRON/LIB/MM/mmmd.c

@@ -317,6 +317,7 @@ Return Value:
     PMEMORY_DESCRIPTOR CurrentDescriptor;
 
     if (Mdl == NULL || Descriptor == NULL) {
+        DebugPrint(L"MmMdAddDescriptorToList(): Mdl and/or Descriptor are NULL\r\n");
         return STATUS_INVALID_PARAMETER;
     }
 
@@ -477,6 +478,7 @@ Return Value:
         // virtual flag must be set.
         //
         if (Mdl->Type == MDL_TYPE_VIRTUAL) {
+            DebugPrint(L"MmMdFindDescriptorFromMdl(): Flags is invalid\r\n");
             return NULL;
         }
     }
@@ -577,6 +579,7 @@ Return Value:
         // virtual flag must be set.
         //
         if (Mdl->Type == MDL_TYPE_VIRTUAL) {
+            DebugPrint(L"MmMdRemoveRegionFromMdlEx(): Flags is invalid\r\n");
             return STATUS_INVALID_PARAMETER;
         }
     }
@@ -732,7 +735,7 @@ Return Value:
     // Free the descriptor from the heap.
     // TODO: Use BlMmFreeHeap().
     //
-    ConsolePrint(L"MmMdFreeDescriptor(): need BlMmFreeHeap() to free descriptor\r\n");
+    ConsolePrint(L"MmMdFreeDescriptor(): Heap not available\r\n");
     return STATUS_NOT_IMPLEMENTED;
     // return BlMmFreeHeap(Descriptor);
 }

BOOT/ENVIRON/LIB/MM/mmpa.c

@@ -139,7 +139,7 @@ Return Value:
             return STATUS_NO_MEMORY;
         }
 
-        Status = MmMdAddDescriptorToList(&MmMdlReservedAllocated, NewDescriptor, 0x00);
+        Status = MmMdAddDescriptorToList(&MmMdlReservedAllocated, NewDescriptor, 0);
         if (!NT_SUCCESS(Status)) {
             MmMdFreeDescriptor(NewDescriptor);
             return Status;