1 files changed, 20 insertions, 0 deletions
diff --git a/pfinet/glue-include/asm/system.h b/pfinet/glue-include/asm/system.h
new file mode 100644
index 00000000..1a5d61cd
--- /dev/null
+++ b/pfinet/glue-include/asm/system.h
@@ -0,0 +1,20 @@
+#ifndef _HACK_ASM_SYSTEM_H
+#define _HACK_ASM_SYSTEM_H
+
+/* We don't need atomicity in the Linux code because we serialize all
+   entries to it.  */
+
+#include <stdint.h>
+
+#define xchg(ptr, x)							      \
+  ({									      \
+    __typeof__ (*(ptr)) *_ptr = (ptr), _x = *_ptr;			      \
+    (uintptr_t) *_ptr = (x); _x;					      \
+  })
+
+#define mb()	((void) 0)	/* memory barrier */
+#define rmb()	mb()
+#define wmb()	mb()
+
+
+#endif