Differential D16469 Diff 45912 head/sys/riscv/include/cpu.h

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head/sys/riscv/include/cpu.h

	/*-			/*-
	* Copyright (c) 2015-2016 Ruslan Bukin <br@bsdpad.com>			* Copyright (c) 2015-2018 Ruslan Bukin <br@bsdpad.com>
	* All rights reserved.			* All rights reserved.
	*			*
	* Portions of this software were developed by SRI International and the			* Portions of this software were developed by SRI International and the
	* University of Cambridge Computer Laboratory under DARPA/AFRL contract			* University of Cambridge Computer Laboratory under DARPA/AFRL contract
	* FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.			* FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
	*			*
	* Portions of this software were developed by the University of Cambridge			* Portions of this software were developed by the University of Cambridge
	* Computer Laboratory as part of the CTSRD Project, with support from the			* Computer Laboratory as part of the CTSRD Project, with support from the
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	#ifndef _MACHINE_CPU_H_			#ifndef _MACHINE_CPU_H_
	#define _MACHINE_CPU_H_			#define _MACHINE_CPU_H_

	#include <machine/atomic.h>			#include <machine/atomic.h>
	#include <machine/frame.h>			#include <machine/frame.h>

	#define TRAPF_PC(tfp) ((tfp)->tf_ra)			#define TRAPF_PC(tfp) ((tfp)->tf_ra)
	#define TRAPF_USERMODE(tfp) (((tfp)->tf_sepc & (1ul << 63)) == 0)			#define TRAPF_USERMODE(tfp) (((tfp)->tf_sstatus & SSTATUS_SPP) == 0)

	#define cpu_getstack(td) ((td)->td_frame->tf_sp)			#define cpu_getstack(td) ((td)->td_frame->tf_sp)
	#define cpu_setstack(td, sp) ((td)->td_frame->tf_sp = (sp))			#define cpu_setstack(td, sp) ((td)->td_frame->tf_sp = (sp))
	#define cpu_spinwait() /* nothing */			#define cpu_spinwait() /* nothing */

	#ifdef _KERNEL			#ifdef _KERNEL

	/*			/*
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