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/* Linux fixed code userspace ABI
Copyright (C) 2005-2012 Free Software Foundation, Inc.
Contributed by Analog Devices, Inc.
This file is part of simulators.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* For more info, see this page:
http://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:fixed-code */
.text
.align 16
_sigreturn_stub:
P0 = 173;
EXCPT 0;
0: JUMP.S 0b;
.align 16
_atomic_xchg32:
R0 = [P0];
[P0] = R1;
rts;
.align 16
_atomic_cas32:
R0 = [P0];
CC = R0 == R1;
IF !CC JUMP 1f;
[P0] = R2;
1:
rts;
.align 16
_atomic_add32:
R1 = [P0];
R0 = R1 + R0;
[P0] = R0;
rts;
.align 16
_atomic_sub32:
R1 = [P0];
R0 = R1 - R0;
[P0] = R0;
rts;
.align 16
_atomic_ior32:
R1 = [P0];
R0 = R1 | R0;
[P0] = R0;
rts;
.align 16
_atomic_and32:
R1 = [P0];
R0 = R1 & R0;
[P0] = R0;
rts;
.align 16
_atomic_xor32:
R1 = [P0];
R0 = R1 ^ R0;
[P0] = R0;
rts;
.align 16
_safe_user_instruction:
NOP; NOP; NOP; NOP;
EXCPT 0x4;
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