0a6a1f1d05
This brings our tree to NetBSD 7.0, as found on -current on the 10-10-2015. This updates: - LLVM to 3.6.1 - GCC to GCC 5.1 - Replace minix/commands/zdump with usr.bin/zdump - external/bsd/libelf has moved to /external/bsd/elftoolchain/ - Import ctwm - Drop sprintf from libminc Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
71 lines
2.3 KiB
ArmAsm
71 lines
2.3 KiB
ArmAsm
/* $NetBSD: atomic_cas_up.S,v 1.4 2014/01/29 11:34:25 skrll Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2008, 2014 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Nick Hudson
|
|
*
|
|
* 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 <sys/ras.h>
|
|
#include <machine/asm.h>
|
|
|
|
LEAF_ENTRY_NOPROFILE(_atomic_cas_up)
|
|
.hidden _C_LABEL(_atomic_cas_up)
|
|
|
|
RAS_START_ASM_HIDDEN(_atomic_cas)
|
|
ldw 0(%arg0), %ret0
|
|
comb,<>,n %arg1, %ret0, 1f
|
|
stw %arg2, 0(%arg0)
|
|
RAS_END_ASM_HIDDEN(_atomic_cas)
|
|
1:
|
|
bv,n %r0(%rp)
|
|
|
|
EXIT(_atomic_cas_up)
|
|
|
|
LEAF_ENTRY_NOPROFILE(_atomic_cas_16_up)
|
|
.hidden _C_LABEL(_atomic_cas_16_up)
|
|
|
|
RAS_START_ASM_HIDDEN(_atomic_cas_16)
|
|
ldh 0(%arg0),%ret0
|
|
comb,<>,n %arg1, %ret0, 1f
|
|
sth %arg2, 0(%arg0)
|
|
RAS_END_ASM_HIDDEN(_atomic_cas_16)
|
|
1:
|
|
bv,n %r0(%rp)
|
|
EXIT(_atomic_cas_16_up)
|
|
|
|
LEAF_ENTRY_NOPROFILE(_atomic_cas_8_up)
|
|
.hidden _C_LABEL(_atomic_cas_8_up)
|
|
|
|
RAS_START_ASM_HIDDEN(_atomic_cas_8)
|
|
ldb 0(%arg0),%ret0
|
|
comb,<>,n %arg1, %ret0, 1f
|
|
stb %arg2, 0(%arg0)
|
|
RAS_END_ASM_HIDDEN(_atomic_cas_8)
|
|
1:
|
|
bv,n %r0(%rp)
|
|
EXIT(_atomic_cas_8_up)
|