$NetBSD: patch-af,v 1.5 1999/07/11 20:00:43 bad Exp $

*** include/storage/s_lock.h  Sat Apr 10 19:43:01 1999
--- include/storage/s_lock.h  Wed Apr  7 03:06:53 1999
***************
*** 124,129 ****
--- 124,145 ----
  
  
  
+ #if defined(__arm32__)
+ #define TAS(lock) tas(lock)
+ 
+ static __inline__ int
+ tas(volatile slock_t *lock)
+ {
+         register slock_t _res = 1;
+ 
+ __asm__("swpb %0, %0, [%3]": "=r"(_res), "=m"(*lock):"0"(_res), "r" (lock));
+         return (int) _res;
+ }
+ 
+ #endif   /* __arm32__ */
+ 
+ 
+ 
  #if defined(sparc)
  #define TAS(lock) tas(lock)