[fireball] 21891: - Thomas Weidenmueller: Fix build by fixing __readcr3 / __readcr4 implementations.

Author: fireball
Date: Fri May 12 01:01:29 2006
New Revision: 21891

URL: http://svn.reactos.ru/svn/reactos?rev=21891&view=rev
Log:
- Thomas Weidenmueller: Fix build by fixing __readcr3 / __readcr4 implementations.

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

Modified: trunk/reactos/include/ddk/winddk.h
URL:
http://svn.reactos.ru/svn/reactos/trunk/reactos/include/ddk/winddk.h?rev=21…
==============================================================================
--- trunk/reactos/include/ddk/winddk.h (original)
+++ trunk/reactos/include/ddk/winddk.h Fri May 12 01:01:29 2006
@@ -10460,11 +10460,29 @@
 
 #endif
 
+#ifdef __GNUC__
+
 /* Available as intrinsics on MSVC */
-static __inline void _disable(void) {__asm__("cli\n\t");}
-static __inline void _enable(void)  {__asm__("sti\n\t");}
-static __inline __int64 __readcr3(void) {__asm__("mov %cr3, %eax\n\t");}
-static __inline __int64 __readcr4(void) {__asm__("mov %cr4, %eax\n\t");}
+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
 
 #ifdef __cplusplus
 }