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- /* Linux fixed code userspace ABI
- Copyright (C) 2005-2022 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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