update

[l4.git] / l4 / pkg / l4sys / include / ARCH-arm / kdebug.h

diff --git a/l4/pkg/l4sys/include/ARCH-arm/kdebug.h b/l4/pkg/l4sys/include/ARCH-arm/kdebug.h
index cdb1c94ee548f63285a2ab67371fc9d49e882c10..6ab0d006a177ff7bcd11e6ca4f6ce93c5e75d8c2 100644 (file)
--- a/l4/pkg/l4sys/include/ARCH-arm/kdebug.h
+++ b/l4/pkg/l4sys/include/ARCH-arm/kdebug.h
@@ -87,6 +87,9 @@ l4_sys_sti(void) L4_NOTHROW;
 EXTERN_C long int
 l4_atomic_add(volatile long int* mem, long int offset) L4_NOTHROW L4_LONG_CALL;
 
+EXTERN_C long int
+l4_atomic_xchg(volatile long int* mem, long int newval) L4_NOTHROW L4_LONG_CALL;
+
 EXTERN_C long int
 l4_atomic_cmpxchg(volatile long int* mem, long int oldval, long int newval) L4_NOTHROW L4_LONG_CALL;