f14fb60209
* Updating common/lib * Updating lib/csu * Updating lib/libc * Updating libexec/ld.elf_so * Corrected test on __minix in featuretest to actually follow the meaning of the comment. * Cleaned up _REENTRANT-related defintions. * Disabled -D_REENTRANT for libfetch * Removing some unneeded __NBSD_LIBC defines and tests Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2
79 lines
2.5 KiB
ArmAsm
79 lines
2.5 KiB
ArmAsm
/* $NetBSD: membar_ops.S,v 1.5 2012/08/03 06:06:44 matt Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2006, 2007 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Jason R. Thorpe, and by Andrew Doran.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "atomic_op_asm.h"
|
|
|
|
#if defined(_KERNEL)
|
|
|
|
#ifdef _KERNEL_OPT
|
|
#include "opt_cputype.h"
|
|
#include "opt_lockdebug.h"
|
|
#include "opt_multiprocessor.h"
|
|
#endif
|
|
|
|
|
|
#include <machine/cpu.h>
|
|
|
|
#if (MIPS_HAS_LLSC != 0 && defined(MULTIPROCESSOR)) || !defined(__mips_o32)
|
|
#define SYNC sync
|
|
#endif
|
|
#elif !defined(__mips_o32)
|
|
#define SYNC sync
|
|
#endif
|
|
|
|
.text
|
|
.set noreorder
|
|
|
|
LEAF(_membar_sync)
|
|
j ra
|
|
#ifdef SYNC
|
|
SYNC
|
|
#else
|
|
nop
|
|
#endif
|
|
END(_membar_sync)
|
|
|
|
#ifdef _KERNEL
|
|
STRONG_ALIAS(mb_read, _membar_sync)
|
|
STRONG_ALIAS(mb_write, _membar_sync)
|
|
STRONG_ALIAS(mb_memory, _membar_sync)
|
|
#endif
|
|
|
|
ATOMIC_OP_ALIAS(membar_sync,_membar_sync)
|
|
ATOMIC_OP_ALIAS(membar_enter,_membar_sync)
|
|
STRONG_ALIAS(_membar_enter,_membar_sync)
|
|
ATOMIC_OP_ALIAS(membar_exit,_membar_sync)
|
|
STRONG_ALIAS(_membar_exit,_membar_sync)
|
|
ATOMIC_OP_ALIAS(membar_producer,_membar_sync)
|
|
STRONG_ALIAS(_membar_producer,_membar_sync)
|
|
ATOMIC_OP_ALIAS(membar_consumer,_membar_sync)
|
|
STRONG_ALIAS(_membar_consumer,_membar_sync)
|