[tfaber] 72163: [NTOS:MM] - Correctly reserve the whole 4 MB of HAL address space instead of just 2 pages CORE-11533

Author: tfaber
Date: Tue Aug  9 07:48:09 2016
New Revision: 72163

URL: http://svn.reactos.org/svn/reactos?rev=72163&view=rev
Log:
[NTOS:MM]
- Correctly reserve the whole 4 MB of HAL address space instead of just 2 pages
CORE-11533

Modified:
    trunk/reactos/ntoskrnl/mm/mminit.c

Modified: trunk/reactos/ntoskrnl/mm/mminit.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/mminit.c?rev=72...
==============================================================================
--- trunk/reactos/ntoskrnl/mm/mminit.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/mm/mminit.c	[iso-8859-1] Tue Aug  9 07:48:09 2016
@@ -100,22 +100,21 @@
     // Paged pool
     MiCreateArm3StaticMemoryArea(MmPagedPoolStart, MmSizeOfPagedPoolInBytes, FALSE);

+    // Debugger mapping
+    MiCreateArm3StaticMemoryArea(MI_DEBUG_MAPPING, PAGE_SIZE, FALSE);
+
+#if defined(_X86_)
+    // Reserved HAL area (includes KUSER_SHARED_DATA and KPCR)
+    MiCreateArm3StaticMemoryArea((PVOID)MM_HAL_VA_START, MM_HAL_VA_END - MM_HAL_VA_START + 1, FALSE);
+#else /* _X86_ */
 #ifndef _M_AMD64
     // KPCR, one page per CPU. Only for 32-bit kernel.
     MiCreateArm3StaticMemoryArea(PCR, PAGE_SIZE * KeNumberProcessors, FALSE);
-#endif
+#endif /* _M_AMD64 */

// KUSER_SHARED_DATA
     MiCreateArm3StaticMemoryArea((PVOID)KI_USER_SHARED_DATA, PAGE_SIZE, FALSE);
-
-    // Debugger mapping
-    MiCreateArm3StaticMemoryArea(MI_DEBUG_MAPPING, PAGE_SIZE, FALSE);
-
-#if defined(_X86_)
-    // Reserve the 2 pages we currently make use of for HAL mappings.
-    // TODO: Remove hard-coded constant and replace with a define.
-    MiCreateArm3StaticMemoryArea((PVOID)0xFFC00000, PAGE_SIZE * 2, FALSE);
-#endif
+#endif /* _X86_ */
 }

VOID