[NTOS:MM] Add support for NX page-faults

[reactos.git] / ntoskrnl / include / internal / amd64 / mm.h

diff --git a/ntoskrnl/include/internal/amd64/mm.h b/ntoskrnl/include/internal/amd64/mm.h
index d2769fd..3b0b217 100644 (file)
--- a/ntoskrnl/include/internal/amd64/mm.h
+++ b/ntoskrnl/include/internal/amd64/mm.h
@@ -98,6 +98,7 @@
 #define MI_IS_PAGE_WRITEABLE(x)    ((x)->u.Hard.Writable == 1)
 #endif
 #define MI_IS_PAGE_COPY_ON_WRITE(x)((x)->u.Hard.CopyOnWrite == 1)
+#define MI_IS_PAGE_EXECUTABLE(x)   ((x)->u.Hard.NoExecute == 0)
 #define MI_IS_PAGE_DIRTY(x)        ((x)->u.Hard.Dirty == 1)
 #define MI_MAKE_OWNER_PAGE(x)      ((x)->u.Hard.Owner = 1)
 #if !defined(CONFIG_SMP)
@@ -109,6 +110,7 @@
 /* Macros to identify the page fault reason from the error code */
 #define MI_IS_NOT_PRESENT_FAULT(FaultCode) !BooleanFlagOn(FaultCode, 0x1)
 #define MI_IS_WRITE_ACCESS(FaultCode) BooleanFlagOn(FaultCode, 0x2)
+#define MI_IS_INSTRUCTION_FETCH(FaultCode) BooleanFlagOn(FaultCode, 0x10)
 
 /* On x64, these are the same */
 #define MI_WRITE_VALID_PPE MI_WRITE_VALID_PTE