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