[ros-diffs] [greatlrd] 24316: adding back __readcr4 and __readcr3 to winddk.h for gcc does not have it. come bit futer build trunk

[greatlrd at svn.reactos.org]

Author: greatlrd
Date: Sat Sep 30 18:43:41 2006
New Revision: 24316

URL: http://svn.reactos.org/svn/reactos?rev=24316&view=rev
Log:
adding back __readcr4 and __readcr3 to winddk.h for gcc does not have it. come bit futer build trunk 

Modified:
    trunk/reactos/include/ddk/winddk.h

Modified: trunk/reactos/include/ddk/winddk.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/include/ddk/winddk.h?rev=24316&r1=24315&r2=24316&view=diff
==============================================================================
--- trunk/reactos/include/ddk/winddk.h (original)
+++ trunk/reactos/include/ddk/winddk.h Sat Sep 30 18:43:41 2006
@@ -35,6 +35,23 @@
 /* Available as intrinsics on MSVC */
 static __inline void _disable(void) {__asm__ __volatile__("cli\n");}
 static __inline void _enable(void)  {__asm__ __volatile__("sti\n");}
+
+
+static __inline ULONG64 __readcr3(void)
+{
+    ULONG_PTR Ret;
+    __asm__ __volatile__("movl %%cr3, %0;\n"
+        :"=r"(Ret));
+    return (ULONG64)Ret;
+}
+
+static __inline ULONG64 __readcr4(void)
+{
+    ULONG_PTR Ret;
+    __asm__ __volatile__("movl %%cr4, %0; \n"
+        :"=r"(Ret));
+    return (ULONG64)Ret;
+}
 #endif
 
 /*