[ros-diffs] [pschweitzer] 69318: [KMTESTS:MM] MmAllocatePagesForMdlEx() was added on Windows 2003 SP1. Import it for "older" systems.

Author: pschweitzer
Date: Tue Sep 22 18:05:45 2015
New Revision: 69318

URL: http://svn.reactos.org/svn/reactos?rev=69318&view=rev
Log:
[KMTESTS:MM]
MmAllocatePagesForMdlEx() was added on Windows 2003 SP1. Import it for "older"
systems.

Modified:
    trunk/rostests/kmtests/ntos_mm/MmReservedMapping.c

Modified: trunk/rostests/kmtests/ntos_mm/MmReservedMapping.c
URL:
http://svn.reactos.org/svn/reactos/trunk/rostests/kmtests/ntos_mm/MmReserve…
==============================================================================
--- trunk/rostests/kmtests/ntos_mm/MmReservedMapping.c	[iso-8859-1] (original)
+++ trunk/rostests/kmtests/ntos_mm/MmReservedMapping.c	[iso-8859-1] Tue Sep 22 18:05:45
2015
@@ -29,6 +29,19 @@
 #define MiAddressToPte(x) _MiAddressToPte((PVOID)(x))
 
 #endif
+
+static
+_Must_inspect_result_
+_IRQL_requires_max_ (DISPATCH_LEVEL)
+PMDL
+(NTAPI
+*pMmAllocatePagesForMdlEx)(
+    _In_ PHYSICAL_ADDRESS LowAddress,
+    _In_ PHYSICAL_ADDRESS HighAddress,
+    _In_ PHYSICAL_ADDRESS SkipBytes,
+    _In_ SIZE_T TotalBytes,
+    _In_ MEMORY_CACHING_TYPE CacheType,
+    _In_ ULONG Flags);
 
 static
 BOOLEAN
@@ -84,16 +97,21 @@
     PPFN_NUMBER MdlPages;
     ULONG i;
 
+    if (skip(pMmAllocatePagesForMdlEx != NULL, "MmAllocatePagesForMdlEx
unavailable\n"))
+    {
+        return;
+    }
+
     ZeroPhysical.QuadPart = 0;
     MaxPhysical.QuadPart = 0xffffffffffffffffLL;
 
     /* Create a one-page MDL and map it */
-    Mdl = MmAllocatePagesForMdlEx(ZeroPhysical,
-                                  MaxPhysical,
-                                  ZeroPhysical,
-                                  PAGE_SIZE,
-                                  MmCached,
-                                  0);
+    Mdl = pMmAllocatePagesForMdlEx(ZeroPhysical,
+                                   MaxPhysical,
+                                   ZeroPhysical,
+                                   PAGE_SIZE,
+                                   MmCached,
+                                   0);
     if (skip(Mdl != NULL, "No MDL\n"))
     {
         return;
@@ -153,12 +171,12 @@
     MmFreePagesFromMdl(Mdl);
 
     /* Map all pages */
-    Mdl = MmAllocatePagesForMdlEx(ZeroPhysical,
-                                  MaxPhysical,
-                                  ZeroPhysical,
-                                  TotalPtes * PAGE_SIZE,
-                                  MmCached,
-                                  0);
+    Mdl = pMmAllocatePagesForMdlEx(ZeroPhysical,
+                                   MaxPhysical,
+                                   ZeroPhysical,
+                                   TotalPtes * PAGE_SIZE,
+                                   MmCached,
+                                   0);
     if (skip(Mdl != NULL, "No MDL\n"))
     {
         return;
@@ -196,12 +214,12 @@
     MmFreePagesFromMdl(Mdl);
 
     /* Try to map more pages than we reserved */
-    Mdl = MmAllocatePagesForMdlEx(ZeroPhysical,
-                                  MaxPhysical,
-                                  ZeroPhysical,
-                                  (TotalPtes + 1) * PAGE_SIZE,
-                                  MmCached,
-                                  0);
+    Mdl = pMmAllocatePagesForMdlEx(ZeroPhysical,
+                                   MaxPhysical,
+                                   ZeroPhysical,
+                                   (TotalPtes + 1) * PAGE_SIZE,
+                                   MmCached,
+                                   0);
     if (skip(Mdl != NULL, "No MDL\n"))
     {
         return;
@@ -226,6 +244,8 @@
 {
     PVOID Mapping;
 
+    pMmAllocatePagesForMdlEx =
KmtGetSystemRoutineAddress(L"MmAllocatePagesForMdlEx");
+
     /* one byte - single page */
     Mapping = MmAllocateMappingAddress(1, 'MRmK');
     ok(Mapping != NULL, "MmAllocateMappingAddress failed\n");