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authorTed Unangst <tedu@cvs.openbsd.org>2013-05-21 20:05:31 +0000
committerTed Unangst <tedu@cvs.openbsd.org>2013-05-21 20:05:31 +0000
commit1223d06696f7e28ea88bca80018594fdcd57b172 (patch)
treee341da38c545b15b66d9e7a68c2b72d4935f1a68 /sys/arch/mips64/include/lock.h
parent1fb7bca1316e90db7b342fe0821eadb80b983d9f (diff)
remove unused cpu_lock code (where it is truly unused). it is not
part of the future we have planned. middling ok from a few
Diffstat (limited to 'sys/arch/mips64/include/lock.h')
-rw-r--r--sys/arch/mips64/include/lock.h48
1 files changed, 1 insertions, 47 deletions
diff --git a/sys/arch/mips64/include/lock.h b/sys/arch/mips64/include/lock.h
index 1d28d83757a..805128e802d 100644
--- a/sys/arch/mips64/include/lock.h
+++ b/sys/arch/mips64/include/lock.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: lock.h,v 1.4 2010/04/21 03:03:26 deraadt Exp $ */
+/* $OpenBSD: lock.h,v 1.5 2013/05/21 20:05:30 tedu Exp $ */
/* public domain */
@@ -7,52 +7,6 @@
#include <mips64/atomic.h>
-typedef volatile u_int __cpu_simple_lock_t;
-
-#define __SIMPLELOCK_LOCKED 1
-#define __SIMPLELOCK_UNLOCKED 0
-
-static __inline__ void
-__cpu_simple_lock_init(__cpu_simple_lock_t *l)
-{
- *l = __SIMPLELOCK_UNLOCKED;
-}
-
-static __inline__ void
-__cpu_simple_lock(__cpu_simple_lock_t *l)
-{
- __cpu_simple_lock_t old, new;
-
- do {
- new = __SIMPLELOCK_LOCKED;
- __asm__ __volatile__
- ("1:\tll\t%0, %1\n"
- "\tsc\t%2, %1\n"
- "\tbeqz\t%2, 1b\n"
- "\t nop" : "=&r" (old) : "m" (*l), "r" (new));
- } while (old != __SIMPLELOCK_UNLOCKED);
-}
-
-static __inline__ int
-__cpu_simple_lock_try(__cpu_simple_lock_t *l)
-{
- __cpu_simple_lock_t old, new = __SIMPLELOCK_LOCKED;
-
- __asm__ __volatile__
- ("1:\tll\t%0, %1\n"
- "\tsc\t%2, %1\n"
- "\tbeqz\t%2, 1b\n"
- "\t nop" : "=&r" (old) : "m" (*l), "r" (new));
-
- return (old == __SIMPLELOCK_UNLOCKED);
-}
-
-static __inline__ void
-__cpu_simple_unlock(__cpu_simple_lock_t *l)
-{
- *l = __SIMPLELOCK_UNLOCKED;
-}
-
#define rw_cas __cpu_cas
static __inline int
__cpu_cas(volatile unsigned long *addr, unsigned long old, unsigned long new)