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	static __inline void			static __inline void
	sfence_vma_page(uintptr_t addr)			sfence_vma_page(uintptr_t addr)
	{			{

	__asm __volatile("sfence.vma %0" :: "r" (addr) : "memory");			__asm __volatile("sfence.vma %0" :: "r" (addr) : "memory");
	}			}

				#define rdcycle() csr_read64(cycle)
				#define rdtime() csr_read64(time)
				#define rdinstret() csr_read64(instret)
				#define rdhpmcounter(n) csr_read64(hpmcounter##n)

	#define cpufunc_nullop() riscv_nullop()			#define cpufunc_nullop() riscv_nullop()

	void riscv_nullop(void);			void riscv_nullop(void);

	#endif /* _KERNEL */			#endif /* _KERNEL */
	#endif /* _MACHINE_CPUFUNC_H_ */			#endif /* _MACHINE_CPUFUNC_H_ */