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/*
* Copyright (c) 2006-2024, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-10-03 Bernard The first version
*/
#ifndef CPUPORT_H__
#define CPUPORT_H__
#include <rtconfig.h>
#include <opcode.h>
#ifndef __ASSEMBLY__
#ifdef RT_USING_SMP
typedef union {
unsigned long slock;
struct __arch_tickets {
unsigned short owner;
unsigned short next;
} tickets;
} rt_hw_spinlock_t;
extern volatile unsigned long rt_riscv_online_mask;
void rt_hw_cpu_mark_online(void);
#endif
#include <rtcompiler.h>
rt_inline void rt_hw_dsb(void)
{
__asm__ volatile("fence":::"memory");
}
rt_inline void rt_hw_dmb(void)
{
__asm__ volatile("fence":::"memory");
}
rt_inline void rt_hw_isb(void)
{
__asm__ volatile(OPC_FENCE_I:::"memory");
}
#ifdef ARCH_MM_MMU
void rt_hw_percpu_hartid_init(rt_ubase_t *percpu_ptr, rt_ubase_t hartid);
#endif
#endif
#endif
#ifdef RISCV_U_MODE
#define RISCV_USER_ENTRY 0xFFFFFFE000000000ULL
#endif
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