86 lines
1.5 KiB
ArmAsm
86 lines
1.5 KiB
ArmAsm
/* Linux fixed code userspace ABI
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Copyright (C) 2005-2018 Free Software Foundation, Inc.
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Contributed by Analog Devices, Inc.
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This file is part of simulators.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* For more info, see this page:
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http://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:fixed-code */
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.text
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.align 16
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_sigreturn_stub:
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P0 = 173;
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EXCPT 0;
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0: JUMP.S 0b;
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.align 16
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_atomic_xchg32:
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R0 = [P0];
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[P0] = R1;
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rts;
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.align 16
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_atomic_cas32:
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R0 = [P0];
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CC = R0 == R1;
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IF !CC JUMP 1f;
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[P0] = R2;
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1:
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rts;
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.align 16
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_atomic_add32:
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R1 = [P0];
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R0 = R1 + R0;
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[P0] = R0;
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rts;
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.align 16
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_atomic_sub32:
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R1 = [P0];
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R0 = R1 - R0;
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[P0] = R0;
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rts;
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.align 16
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_atomic_ior32:
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R1 = [P0];
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R0 = R1 | R0;
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[P0] = R0;
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rts;
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.align 16
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_atomic_and32:
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R1 = [P0];
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R0 = R1 & R0;
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[P0] = R0;
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rts;
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.align 16
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_atomic_xor32:
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R1 = [P0];
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R0 = R1 ^ R0;
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[P0] = R0;
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rts;
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.align 16
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_safe_user_instruction:
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NOP; NOP; NOP; NOP;
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EXCPT 0x4;
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