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/*-
* Copyright (c) 1998 Doug Rabson
* All rights reserved.
*
* 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 AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#include <machine/asm.h>
.text
LEAF(atomic_set_8, 2)
bic a0, 7, t1
0: ldq_l t2, 0(t1)
extbl t2, a0, t0
bis t0, a1, t0
insbl t0, a0, t0
mskbl t2, a0, t2
or t2, t0, t0
stq_c t0, 0(t1)
beq t0, 1f
mb
RET
1: br 0b
END(atomic_set_8)
LEAF(atomic_clear_8, 2)
bic a0, 7, t1
0: ldq_l t2, 0(t1)
extbl t2, a0, t0
bic t0, a1, t0
insbl t0, a0, t0
mskbl t2, a0, t2
or t2, t0, t0
stq_c t0, 0(t1)
beq t0, 1f
mb
RET
1: br 0b
END(atomic_clear_8)
LEAF(atomic_add_8, 2)
bic a0, 7, t1
0: ldq_l t2, 0(t1)
extbl t2, a0, t0
addl t0, a1, t0
insbl t0, a0, t0
mskbl t2, a0, t2
or t2, t0, t0
stq_c t0, 0(t1)
beq t0, 1f
mb
RET
1: br 0b
END(atomic_add_8)
LEAF(atomic_subtract_8, 2)
bic a0, 7, t1
0: ldq_l t2, 0(t1)
extbl t2, a0, t0
subl t0, a1, t0
insbl t0, a0, t0
mskbl t2, a0, t2
or t2, t0, t0
stq_c t0, 0(t1)
beq t0, 1f
mb
RET
1: br 0b
END(atomic_subtract_8)
LEAF(atomic_set_16, 2)
bic a0, 7, t1
0: ldq_l t2, 0(t1)
extwl t2, a0, t0
bis t0, a1, t0
inswl t0, a0, t0
mskwl t2, a0, t2
or t2, t0, t0
stq_c t0, 0(t1)
beq t0, 1f
mb
RET
1: br 0b
END(atomic_set_16)
LEAF(atomic_clear_16, 2)
bic a0, 7, t1
0: ldq_l t2, 0(t1)
extwl t2, a0, t0
bic t0, a1, t0
inswl t0, a0, t0
mskwl t2, a0, t2
or t2, t0, t0
stq_c t0, 0(t1)
beq t0, 1f
mb
RET
1: br 0b
END(atomic_clear_16)
LEAF(atomic_add_16, 2)
bic a0, 7, t1
0: ldq_l t2, 0(t1)
extwl t2, a0, t0
addl t0, a1, t0
inswl t0, a0, t0
mskwl t2, a0, t2
or t2, t0, t0
stq_c t0, 0(t1)
beq t0, 1f
mb
RET
1: br 0b
END(atomic_add_16)
LEAF(atomic_subtract_16, 2)
bic a0, 7, t1
0: ldq_l t2, 0(t1)
extwl t2, a0, t0
subl t0, a1, t0
inswl t0, a0, t0
mskwl t2, a0, t2
or t2, t0, t0
stq_c t0, 0(t1)
beq t0, 1f
mb
RET
1: br 0b
END(atomic_subtract_16)
LEAF(atomic_set_32, 2)
0: ldl_l t0, 0(a0)
bis t0, a1, t0
stl_c t0, 0(a0)
beq t0, 1f
mb
RET
1: br 0b
END(atomic_set_32)
LEAF(atomic_clear_32, 2)
0: ldl_l t0, 0(a0)
bic t0, a1, t0
stl_c t0, 0(a0)
beq t0, 1f
mb
RET
1: br 0b
END(atomic_clear_32)
LEAF(atomic_add_32, 2)
0: ldl_l t0, 0(a0)
addl t0, a1, t0
stl_c t0, 0(a0)
beq t0, 1f
mb
RET
1: br 0b
END(atomic_add_32)
LEAF(atomic_subtract_32, 2)
0: ldl_l t0, 0(a0)
subl t0, a1, t0
stl_c t0, 0(a0)
beq t0, 1f
mb
RET
1: br 0b
END(atomic_subtract_32)
LEAF(atomic_set_64, 2)
0: ldq_l t0, 0(a0)
bis t0, a1, t0
stq_c t0, 0(a0)
beq t0, 1f
mb
RET
1: br 0b
END(atomic_set_64)
LEAF(atomic_clear_64, 2)
0: ldq_l t0, 0(a0)
bic t0, a1, t0
stq_c t0, 0(a0)
beq t0, 1f
mb
RET
1: br 0b
END(atomic_clear_64)
LEAF(atomic_add_64, 2)
0: ldq_l t0, 0(a0)
addq t0, a1, t0
stq_c t0, 0(a0)
beq t0, 1f
mb
RET
1: br 0b
END(atomic_add_64)
LEAF(atomic_subtract_64, 2)
0: ldq_l t0, 0(a0)
subq t0, a1, t0
stq_c t0, 0(a0)
beq t0, 1f
mb
RET
1: br 0b
END(atomic_subtract_64)
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