/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes */ #ifndef CPUPORT_H__ #define CPUPORT_H__ #include <armv8.h> #include <rtdef.h> #ifdef RT_USING_SMP typedef union { unsigned long slock; struct __arch_tickets { unsigned short owner; unsigned short next; } tickets; } rt_hw_spinlock_t; #endif #define rt_hw_barrier(cmd, ...) \ __asm__ volatile (RT_STRINGIFY(cmd) " "RT_STRINGIFY(__VA_ARGS__):::"memory") #define rt_hw_isb() rt_hw_barrier(isb) #define rt_hw_dmb() rt_hw_barrier(dmb, ish) #define rt_hw_wmb() rt_hw_barrier(dmb, ishst) #define rt_hw_rmb() rt_hw_barrier(dmb, ishld) #define rt_hw_dsb() rt_hw_barrier(dsb, ish) #define rt_hw_wfi() rt_hw_barrier(wfi) #define rt_hw_wfe() rt_hw_barrier(wfe) #define rt_hw_sev() rt_hw_barrier(sev) #define rt_hw_cpu_relax() rt_hw_barrier(yield) void _thread_start(void); #endif /*CPUPORT_H__*/