[mirror_ubuntu-eoan-kernel.git] / arch / x86 / lib / cpu.c

// SPDX-License-Identifier: GPL-2.0-only
#include <linux/types.h>
#include <linux/export.h>
#include <asm/cpu.h>

unsigned int x86_family(unsigned int sig)
{
	unsigned int x86;

	x86 = (sig >> 8) & 0xf;

	if (x86 == 0xf)
		x86 += (sig >> 20) & 0xff;

	return x86;
}
EXPORT_SYMBOL_GPL(x86_family);

unsigned int x86_model(unsigned int sig)
{
	unsigned int fam, model;

	fam = x86_family(sig);

	model = (sig >> 4) & 0xf;

	if (fam >= 0x6)
		model += ((sig >> 16) & 0xf) << 4;

	return model;
}
EXPORT_SYMBOL_GPL(x86_model);

unsigned int x86_stepping(unsigned int sig)
{
	return sig & 0xf;
}
EXPORT_SYMBOL_GPL(x86_stepping);
Commit	Line	Data
457c8996	1	// SPDX-License-Identifier: GPL-2.0-only
e683014c PG	2	#include <linux/types.h>
e683014c PG	3	#include <linux/export.h>
04f5bda8	4	#include <asm/cpu.h>
99f925ce BP	5
	6	unsigned int x86_family(unsigned int sig)
	7	{
	8	unsigned int x86;
	9
	10	x86 = (sig >> 8) & 0xf;
	11
	12	if (x86 == 0xf)
	13	x86 += (sig >> 20) & 0xff;
	14
	15	return x86;
	16	}
	17	EXPORT_SYMBOL_GPL(x86_family);
	18
	19	unsigned int x86_model(unsigned int sig)
	20	{
	21	unsigned int fam, model;
	22
b399151c	23	fam = x86_family(sig);
99f925ce BP	24
	25	model = (sig >> 4) & 0xf;
	26
	27	if (fam >= 0x6)
	28	model += ((sig >> 16) & 0xf) << 4;
	29
	30	return model;
	31	}
	32	EXPORT_SYMBOL_GPL(x86_model);
	33
	34	unsigned int x86_stepping(unsigned int sig)
	35	{
	36	return sig & 0xf;
	37	}
	38	EXPORT_SYMBOL_GPL(x86_stepping);