source: trunk/hal/x86_64/core/hal_atomic.c @ 275

Last change on this file since 275 was 234, checked in by max@…, 5 years ago

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[25]1/*
[105]2 * hal_atomic.c - implementation of Generic Atomic Operations API for x86
[25]3 *
[105]4 * Copyright (c) 2017 Maxime Villard
[25]5 *
[105]6 * This file is part of ALMOS-MKH.
7 *
8 * ALMOS-MKH is free software; you can redistribute it and/or modify it
[25]9 * under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; version 2.0 of the License.
11 *
[105]12 * ALMOS-MKH is distributed in the hope that it will be useful, but
[25]13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
[234]18 * along with ALMOS-MKH; if not, write to the Free Software Foundation,
[25]19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#include <hal_types.h>
[48]23#include <hal_internal.h>
[25]24
[145]25void hal_atomic_and(uint32_t *ptr, int32_t val)
[25]26{
[105]27        atomic_and_32((volatile uint32_t *)ptr, val);
[25]28}
29
[145]30void hal_atomic_or(uint32_t *ptr, int32_t val)
[25]31{
[105]32        atomic_or_32((volatile uint32_t *)ptr, val);
[25]33}
34
[145]35uint32_t hal_atomic_add(void *ptr, int32_t val)
[25]36{
[105]37        return atomic_add_32((volatile uint32_t *)ptr, val);
[25]38}
39
[145]40bool_t hal_atomic_cas(uint32_t *ptr, uint32_t old, uint32_t new)
[25]41{
[105]42        return (atomic_cas_32((volatile uint32_t *)ptr, old, new) == old);
[25]43}
44
[145]45bool_t hal_atomic_test_set(uint32_t *ptr, int32_t val)
[25]46{
[48]47        x86_panic((char *)__func__);
[25]48        return 0;
49}
50
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