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

style

File size: 1.4 KB
Line 
1/*
2 * hal_atomic.c - implementation of Generic Atomic Operations API for x86
3 *
4 * Copyright (c) 2017 Maxime Villard
5 *
6 * This file is part of ALMOS-MKH.
7 *
8 * ALMOS-MKH is free software; you can redistribute it and/or modify it
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 *
12 * ALMOS-MKH is distributed in the hope that it will be useful, but
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
18 * along with ALMOS-MKH; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#include <hal_types.h>
23#include <hal_internal.h>
24
25void hal_atomic_and(uint32_t *ptr, int32_t val)
26{
27        atomic_and_32((volatile uint32_t *)ptr, val);
28}
29
30void hal_atomic_or(uint32_t *ptr, int32_t val)
31{
32        atomic_or_32((volatile uint32_t *)ptr, val);
33}
34
35uint32_t hal_atomic_add(void *ptr, int32_t val)
36{
37        return atomic_add_32((volatile uint32_t *)ptr, val);
38}
39
40bool_t hal_atomic_cas(uint32_t *ptr, uint32_t old, uint32_t new)
41{
42        return (atomic_cas_32((volatile uint32_t *)ptr, old, new) == old);
43}
44
45bool_t hal_atomic_test_set(uint32_t *ptr, int32_t val)
46{
47        x86_panic((char *)__func__);
48        return 0;
49}
50
Note: See TracBrowser for help on using the repository browser.