/* * hal_atomic.c - implementation of Generic Atomic Operations API for x86 * * Copyright (c) 2017 Maxime Villard * * This file is part of ALMOS-MKH. * * ALMOS-MKH is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2.0 of the License. * * ALMOS-MKH is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with ALMOS-MKH; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include void hal_atomic_and(uint32_t *ptr, int32_t val) { atomic_and_32((volatile uint32_t *)ptr, val); } void hal_atomic_or(uint32_t *ptr, int32_t val) { atomic_or_32((volatile uint32_t *)ptr, val); } uint32_t hal_atomic_add(void *ptr, int32_t val) { return atomic_add_32((volatile uint32_t *)ptr, val); } bool_t hal_atomic_cas(uint32_t *ptr, uint32_t old, uint32_t new) { return (atomic_cas_32((volatile uint32_t *)ptr, old, new) == old); } bool_t hal_atomic_test_set(uint32_t *ptr, int32_t val) { x86_panic((char *)__func__); return 0; }