55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
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/*
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* VMM Bus
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*
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* COPYRIGHT (C) 2015, Shanghai Real-Thread Technology Co., Ltd
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*
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* This file is part of RT-Thread (http://www.rt-thread.org)
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Change Logs:
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* Date Author Notes
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* 2015-01-07 Grissiom init commit
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*/
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#include <rtthread.h>
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#include <stddef.h>
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#include <gic.h>
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rt_inline void rt_vbus_tick(unsigned int target_cpu, unsigned int irqnr)
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{
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arm_gic_trigger(0, 1, irqnr);
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}
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/* Read memory barrier. */
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rt_inline void rt_vbus_smp_rmb(void)
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{
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asm volatile ("dsb" : : : "memory");
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}
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/* Write memory barrier. */
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rt_inline void rt_vbus_smp_wmb(void)
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{
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asm volatile ("dsb" : : : "memory");
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}
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/* General memory barrier. */
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rt_inline void rt_vbus_smp_mb(void)
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{
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asm volatile ("dsb" : : : "memory");
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}
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