Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Nix mb_* on m68k.

Browse Source
This commit is contained in:
riastradh 2019-11-29 20:05:49 +00:00
parent 17041bbcfe
commit f57add36c1
2 changed files with 4 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
sys/arch/m68k/include/lock.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: lock.h,v 1.15 2017/09/17 00:01:07 christos Exp $ */
/* $NetBSD: lock.h,v 1.16 2019/11/29 20:05:49 riastradh Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
@ -101,22 +101,4 @@ __cpu_simple_unlock(__cpu_simple_lock_t *alp)
*alp = __SIMPLELOCK_UNLOCKED;
}
static __inline void
mb_read(void)
{
__asm volatile("" : : : "memory");
}
static __inline void
mb_write(void)
{
__asm volatile("" : : : "memory");
}
static __inline void
mb_memory(void)
{
__asm volatile("" : : : "memory");
}
#endif /* _M68K_LOCK_H_ */

6
sys/arch/m68k/include/mutex.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: mutex.h,v 1.7 2008/04/28 20:23:26 martin Exp $ */
/* $NetBSD: mutex.h,v 1.8 2019/11/29 20:05:49 riastradh Exp $ */
/*-
* Copyright (c) 2002, 2007 The NetBSD Foundation, Inc.
@ -62,8 +62,8 @@ struct kmutex {
#define __HAVE_SIMPLE_MUTEXES 1
#define __HAVE_MUTEX_STUBS 1
#define MUTEX_RECEIVE(mtx) mb_read()
#define MUTEX_GIVE(mtx) mb_memory()
#define MUTEX_RECEIVE(mtx) __insn_barrier()
#define MUTEX_GIVE(mtx) __insn_barrier()
#define MUTEX_CAS(p, o, n) (atomic_cas_uint((p), (o), (n)) == (o))