[tkreuzer] 35504: Implement __readcr8, __writecr8, __lidt and __sidt intrinsics.

Author: tkreuzer
Date: Thu Aug 21 08:30:00 2008
New Revision: 35504

URL: http://svn.reactos.org/svn/reactos?rev=35504&view=rev
Log:
Implement __readcr8, __writecr8, __lidt and __sidt intrinsics.

Modified:
    branches/ros-amd64-bringup/reactos/include/psdk/intrin_x86.h

Modified: branches/ros-amd64-bringup/reactos/include/psdk/intrin_x86.h
URL: http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/includ...
==============================================================================
--- branches/ros-amd64-bringup/reactos/include/psdk/intrin_x86.h [iso-8859-1] (original)
+++ branches/ros-amd64-bringup/reactos/include/psdk/intrin_x86.h [iso-8859-1] Thu Aug 21 08:30:00 2008
@@ -1105,6 +1105,11 @@
    __asm__("movq %q[Data], %%cr4" : : [Data] "q" (Data) : "memory");
 }

+static __inline__ __attribute__((always_inline)) void __writecr8(const unsigned long long Data)
+{
+	__asm__("movq %q[Data], %%cr8" : : [Data] "q" (Data) : "memory");
+}
+
 static __inline__ __attribute__((always_inline)) unsigned long long __readcr0(void)
 {
    unsigned long long value;
@@ -1133,6 +1138,13 @@
    return value;
 }

+static __inline__ __attribute__((always_inline)) unsigned long long __readcr8(void)
+{
+	unsigned long long value;
+	__asm__ __volatile__("movq %%cr8, %q[value]" : [value] "=q" (value));
+	return value;
+}
+
 #else
 static __inline__ __attribute__((always_inline)) void __writecr0(const unsigned long long Data)
 {
@@ -1218,6 +1230,16 @@
    __asm__ __volatile__("wbinvd");
 }

+static __inline__ __attribute__((always_inline)) void __lidt(void *Source)
+{
+	__asm__ __volatile__("lidt %0" : : "m"(*(short*)Source));
+}
+
+static __inline__ __attribute__((always_inline)) void __sidt(void *Destination)
+{
+	__asm__ __volatile__("sidt %0" : : "m"(*(short*)Destination));
+}
+
 #endif /* KJK_INTRIN_X86_H_ */

/* EOF */