[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>

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>
99f925ce BP	4
	5	unsigned int x86_family(unsigned int sig)
	6	{
	7	unsigned int x86;
	8
	9	x86 = (sig >> 8) & 0xf;
	10
	11	if (x86 == 0xf)
	12	x86 += (sig >> 20) & 0xff;
	13
	14	return x86;
	15	}
	16	EXPORT_SYMBOL_GPL(x86_family);
	17
	18	unsigned int x86_model(unsigned int sig)
	19	{
	20	unsigned int fam, model;
	21
b399151c	22	fam = x86_family(sig);
99f925ce BP	23
	24	model = (sig >> 4) & 0xf;
	25
	26	if (fam >= 0x6)
	27	model += ((sig >> 16) & 0xf) << 4;
	28
	29	return model;
	30	}
	31	EXPORT_SYMBOL_GPL(x86_model);
	32
	33	unsigned int x86_stepping(unsigned int sig)
	34	{
	35	return sig & 0xf;
	36	}
	37	EXPORT_SYMBOL_GPL(x86_stepping);