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_kernel_types.h> |
---|
23 | #include <hal_internal.h> |
---|
24 | |
---|
25 | void hal_atomic_and(uint32_t *ptr, int32_t val) |
---|
26 | { |
---|
27 | atomic_and_32((volatile uint32_t *)ptr, val); |
---|
28 | } |
---|
29 | |
---|
30 | void hal_atomic_or(uint32_t *ptr, int32_t val) |
---|
31 | { |
---|
32 | atomic_or_32((volatile uint32_t *)ptr, val); |
---|
33 | } |
---|
34 | |
---|
35 | uint32_t hal_atomic_add(void *ptr, int32_t val) |
---|
36 | { |
---|
37 | return atomic_add_32((volatile uint32_t *)ptr, val); |
---|
38 | } |
---|
39 | |
---|
40 | bool_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 | |
---|
45 | bool_t hal_atomic_test_set(uint32_t *ptr, int32_t val) |
---|
46 | { |
---|
47 | x86_panic((char *)__func__); |
---|
48 | return 0; |
---|
49 | } |
---|
50 | |
---|