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https://github.com/RT-Thread/rt-thread.git
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7450ef6c4d
synchronize virtual memory system works. adding kernel virtual memory management layer for page-based MMU enabled architecture porting libcpu MMU codes porting lwp memory related codes
52 lines
843 B
C
52 lines
843 B
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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*/
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#ifndef CPUPORT_H__
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#define CPUPORT_H__
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#include <armv8.h>
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#include <rtdef.h>
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#ifdef RT_USING_SMP
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typedef union {
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unsigned long slock;
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struct __arch_tickets {
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unsigned short owner;
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unsigned short next;
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} tickets;
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} rt_hw_spinlock_t;
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#endif
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rt_inline void rt_hw_isb(void)
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{
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asm volatile ("isb":::"memory");
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}
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rt_inline void rt_hw_dmb(void)
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{
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asm volatile ("dmb ish":::"memory");
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}
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rt_inline void rt_hw_wmb(void)
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{
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asm volatile ("dmb ishst":::"memory");
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}
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rt_inline void rt_hw_rmb(void)
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{
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asm volatile ("dmb ishld":::"memory");
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}
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rt_inline void rt_hw_dsb(void)
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{
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asm volatile ("dsb ish":::"memory");
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}
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#endif /*CPUPORT_H__*/
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