https://github.com/torvalds/linux
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Tip revision: fe15c26ee26efa11741a7b632e9f23b01aca4cc6 authored by Linus Torvalds on 05 March 2023, 22:52:03 UTC
Linux 6.3-rc1
Tip revision: fe15c26
cpuflags.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef BOOT_CPUFLAGS_H
#define BOOT_CPUFLAGS_H

#include <asm/cpufeatures.h>
#include <asm/processor-flags.h>

struct cpu_features {
	int level;		/* Family, or 64 for x86-64 */
	int family;		/* Family, always */
	int model;
	u32 flags[NCAPINTS];
};

extern struct cpu_features cpu;
extern u32 cpu_vendor[3];

int has_eflag(unsigned long mask);
void get_cpuflags(void);
void cpuid_count(u32 id, u32 count, u32 *a, u32 *b, u32 *c, u32 *d);

#endif
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