39 lines
892 B
C
39 lines
892 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 struct {
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volatile unsigned int lock;
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} rt_hw_spinlock_t;
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#endif
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#define rt_hw_barrier(cmd, ...) \
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__asm__ volatile (RT_STRINGIFY(cmd) " "RT_STRINGIFY(__VA_ARGS__):::"memory")
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#define rt_hw_isb() rt_hw_barrier(isb)
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#define rt_hw_dmb() rt_hw_barrier(dmb, ish)
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#define rt_hw_wmb() rt_hw_barrier(dmb, ishst)
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#define rt_hw_rmb() rt_hw_barrier(dmb, ishld)
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#define rt_hw_dsb() rt_hw_barrier(dsb, ish)
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#define rt_hw_wfi() rt_hw_barrier(wfi)
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#define rt_hw_wfe() rt_hw_barrier(wfe)
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#define rt_hw_sev() rt_hw_barrier(sev)
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#define rt_hw_cpu_relax() rt_hw_barrier(yield)
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void _thread_start(void);
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#endif /*CPUPORT_H__*/
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