[PATCH v4 1/1] MmAllocateContiguousMemorySpecifyCache semi-stub

[Etaash Mathamsetty]

From: Etaash Mathamsetty

use NULL for lpAddress

remove mutally exclusive PAGE_NOCACHE in MmWriteCombined
---
 dlls/ntoskrnl.exe/ntoskrnl.c | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index 031e9900544..86f4eccdee2 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -2777,8 +2777,22 @@ PVOID WINAPI MmAllocateContiguousMemorySpecifyCache( SIZE_T size,
                                                      PHYSICAL_ADDRESS BoundaryAddressMultiple,
                                                      MEMORY_CACHING_TYPE CacheType )
 {
-    FIXME(": stub\n");
-    return NULL;
+    DWORD protect = PAGE_READWRITE;
+    FIXME( ": ( %Iu %s %s %s %x ) semi-stub\n", size, wine_dbgstr_longlong(lowest_valid_address.QuadPart), 
+                                            wine_dbgstr_longlong(highest_valid_address.QuadPart), 
+                                            wine_dbgstr_longlong(BoundaryAddressMultiple.QuadPart), CacheType );
+    switch (CacheType)
+    {
+        case MmNonCached:
+            protect |= PAGE_NOCACHE;
+            break;
+        case MmWriteCombined:
+            protect |= PAGE_WRITECOMBINE;
+            break;
+        default:
+            break;
+    }
+    return VirtualAlloc( NULL, size, MEM_RESERVE|MEM_COMMIT, protect );
 }

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