[OpenRISC] [PATCH v3 06/13] or1k: Atomics and Locking primitives

Adhemerval Zanella
2021-12-16T19:43:52Z

On 16/12/2021 09:52, Adhemerval Zanella wrote:
> LGTM, thanks.
>
> On 10/12/2021 20:34, Stafford Horne via Libc-alpha wrote:
>> ---
>> sysdeps/or1k/atomic-machine.h | 79 +++++++++++++++++++++++++++++++++++
>> 1 file changed, 79 insertions(+)
>> create mode 100644 sysdeps/or1k/atomic-machine.h
>>
>> diff --git a/sysdeps/or1k/atomic-machine.h b/sysdeps/or1k/atomic-machine.h
>> new file mode 100644
>> index 0000000000..1e306ae4ef
>> --- /dev/null
>> +++ b/sysdeps/or1k/atomic-machine.h
>> @@ -0,0 +1,79 @@
>> +/* Atomic operations. OpenRISC version.
>> + Copyright (C) 2021 Free Software Foundation, Inc.
>> + This file is part of the GNU C Library.
>> +
>> + The GNU C Library is free software; you can redistribute it and/or
>> + modify it under the terms of the GNU Lesser General Public
>> + License as published by the Free Software Foundation; either
>> + version 2.1 of the License, or (at your option) any later version.
>> +
>> + The GNU C Library 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
>> + Lesser General Public License for more details.
>> +
>> + You should have received a copy of the GNU Lesser General Public
>> + License along with the GNU C Library. If not, see
>> + <https://www.gnu.org/licenses/>. */
>> +
>> +#ifndef __OR1K_ATOMIC_H_
>> +#define __OR1K_ATOMIC_H_
>> +
>> +#include <stdint.h>
>> +
>> +typedef int32_t atomic32_t;
>> +typedef uint32_t uatomic32_t;
>> +
>> +typedef intptr_t atomicptr_t;
>> +typedef uintptr_t uatomicptr_t;
>> +typedef intmax_t atomic_max_t;
>> +typedef uintmax_t uatomic_max_t;
>
> Sigh, these definition are used solely in only file, memusage.c. Another thing
> I will cleanup.

I just send a patchset that aims to simplify this boilerplate [1]. It should
also simplify other parts of OpenRISC submission.

[1] https://sourceware.org/pipermail/libc-alpha/2021-December/134285.html