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52 lines
859 B
52 lines
859 B
5 months ago
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/*
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* Copyright (c) 2006-2024, 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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* 2018-10-03 Bernard The first version
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*/
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#ifndef CPUPORT_H__
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#define CPUPORT_H__
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#include <rtconfig.h>
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#include <opcode.h>
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#ifndef __ASSEMBLY__
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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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#include <rtcompiler.h>
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rt_inline void rt_hw_dsb(void)
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{
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__asm__ volatile("fence":::"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("fence":::"memory");
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}
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rt_inline void rt_hw_isb(void)
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{
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__asm__ volatile(OPC_FENCE_I:::"memory");
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}
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#endif
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#endif
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#ifdef RISCV_U_MODE
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#define RISCV_USER_ENTRY 0xFFFFFFE000000000ULL
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#endif
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