1 /*
2 * Copyright (c) 2025 Google Inc. All rights reserved
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files
6 * (the "Software"), to deal in the Software without restriction,
7 * including without limitation the rights to use, copy, modify, merge,
8 * publish, distribute, sublicense, and/or sell copies of the Software,
9 * and to permit persons to whom the Software is furnished to do so,
10 * subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 */
23
24 #include <spinlock.h>
25
lk_interrupt_save(spin_lock_saved_state_t * statep,spin_lock_save_flags_t flags)26 void lk_interrupt_save(spin_lock_saved_state_t *statep, spin_lock_save_flags_t flags) {
27 arch_interrupt_save(statep, flags);
28 }
29
lk_interrupt_restore(spin_lock_saved_state_t old_state,spin_lock_save_flags_t flags)30 void lk_interrupt_restore(spin_lock_saved_state_t old_state, spin_lock_save_flags_t flags) {
31 arch_interrupt_restore(old_state, flags);
32 }
33
lk_ints_disabled(void)34 bool lk_ints_disabled(void) {
35 return arch_ints_disabled();
36 }
37
38 #if defined(__arm__) || defined(__aarch64__)
lk_fiqs_disabled(void)39 bool lk_fiqs_disabled(void) {
40 return arch_fiqs_disabled();
41 }
42 #endif
43
lk_spin_lock(spin_lock_t * lock)44 void lk_spin_lock(spin_lock_t *lock) {
45 spin_lock(lock);
46 }
47
lk_spin_trylock(spin_lock_t * lock)48 int lk_spin_trylock(spin_lock_t *lock) {
49 return spin_trylock(lock);
50 }
51
lk_spin_unlock(spin_lock_t * lock)52 void lk_spin_unlock(spin_lock_t *lock) {
53 spin_unlock(lock);
54 }
55