Expose powerpc_mb() to user-space. Currently needed for atomic.h users,

this may go away in the future.
2003-02-22 22:58:13 +00:00 · 2003-02-22 22:58:13 +00:00 · 7acd29f1d6
commit 7acd29f1d6
parent f6b22a92ae
1 changed files with 10 additions and 0 deletions
--- a/sys/powerpc/include/cpufunc.h
+++ b/sys/powerpc/include/cpufunc.h
@ -29,6 +29,16 @@
 #ifndef _MACHINE_CPUFUNC_H_
 #define	_MACHINE_CPUFUNC_H_

+/*
+ * Required for user-space atomic.h includes
+ */
+static __inline void
+powerpc_mb(void)
+{
+
+	__asm __volatile("eieio; sync" : : : "memory");
+}
+
 #ifdef _KERNEL

 #include <sys/types.h>