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/*
* Copyright (c) 2006-2019, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
*/
#ifndef __RT_HW_CPU_H__
#define __RT_HW_CPU_H__
#include <rthw.h>
#include <rtthread.h>
#include <stdbool.h>
#ifndef RT_CPUS_NR
#define RT_CPUS_NR 1
#endif /* RT_CPUS_NR */
#ifdef RT_USING_SMP
struct cpu_ops_t
{
const char *method;
int (*cpu_init)(rt_uint32_t id);
int (*cpu_boot)(rt_uint32_t id);
void (*cpu_shutdown)(void);
};
/**
* Identifier to mark a wrong CPU MPID.
* All elements in rt_cpu_mpidr_early[] should be initialized with this value
*/
#define ID_ERROR __INT64_MAX__
extern rt_uint64_t rt_cpu_mpidr_early[];
extern struct dtb_node *_cpu_node[];
#define cpuid_to_hwid(cpuid) \
((((cpuid) >= 0) && ((cpuid) < RT_CPUS_NR)) ? rt_cpu_mpidr_early[cpuid] : ID_ERROR)
#define set_hwid(cpuid, hwid) \
((((cpuid) >= 0) && ((cpuid) < RT_CPUS_NR)) ? (rt_cpu_mpidr_early[cpuid] = (hwid)) : ID_ERROR)
#define get_cpu_node(cpuid) \
((((cpuid) >= 0) && ((cpuid) < RT_CPUS_NR)) ? _cpu_node[cpuid] : NULL)
#define set_cpu_node(cpuid, node) \
((((cpuid) >= 0) && ((cpuid) < RT_CPUS_NR)) ? (_cpu_node[cpuid] = node) : NULL)
extern int rt_hw_cpu_init();
extern int rt_hw_cpu_boot_secondary(int num_cpus, rt_uint64_t *cpu_hw_ids, struct cpu_ops_t *cpu_ops[]);
extern void rt_hw_secondary_cpu_idle_exec(void);
extern struct cpu_ops_t cpu_ops_psci;
extern struct cpu_ops_t cpu_ops_spin_tbl;
#endif /* RT_USING_SMP */
extern void rt_hw_cpu_shutdown(void);
extern void (*system_off)(void);
#endif /* __RT_HW_CPU_H__ */
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