Cregit: Linux 6.6: cpufeature.h

Contributors: 4
Author	Tokens	Token Proportion	Commits	Commit Proportion
Evan Green	42	54.55%	4	44.44%
Anup Patel	28	36.36%	2	22.22%
Atish Patra	4	5.19%	2	22.22%
Palmer Dabbelt	3	3.90%	1	11.11%
Total	77		9

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright 2022-2023 Rivos, Inc
 */

#ifndef _ASM_CPUFEATURE_H
#define _ASM_CPUFEATURE_H

#include <linux/bitmap.h>
#include <asm/hwcap.h>

/*
 * These are probed via a device_initcall(), via either the SBI or directly
 * from the corresponding CSRs.
 */
struct riscv_cpuinfo {
	unsigned long mvendorid;
	unsigned long marchid;
	unsigned long mimpid;
};

struct riscv_isainfo {
	DECLARE_BITMAP(isa, RISCV_ISA_EXT_MAX);
};

DECLARE_PER_CPU(struct riscv_cpuinfo, riscv_cpuinfo);

DECLARE_PER_CPU(long, misaligned_access_speed);

/* Per-cpu ISA extensions. */
extern struct riscv_isainfo hart_isa[NR_CPUS];

void check_unaligned_access(int cpu);

#endif