1// SPDX-License-Identifier: GPL-2.0-only
 2#include <linux/types.h>
 3#include <linux/export.h>
 4#include <asm/cpu.h>
 5
 6unsigned 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}
17EXPORT_SYMBOL_GPL(x86_family);
18
19unsigned int x86_model(unsigned int sig)
20{
21	unsigned int fam, model;
22
23	fam = x86_family(sig);
24
25	model = (sig >> 4) & 0xf;
26
27	if (fam >= 0x6)
28		model += ((sig >> 16) & 0xf) << 4;
29
30	return model;
31}
32EXPORT_SYMBOL_GPL(x86_model);
33
34unsigned int x86_stepping(unsigned int sig)
35{
36	return sig & 0xf;
37}
38EXPORT_SYMBOL_GPL(x86_stepping);

 
 1#include <linux/types.h>
 2#include <linux/export.h>
 
 3
 4unsigned int x86_family(unsigned int sig)
 5{
 6	unsigned int x86;
 7
 8	x86 = (sig >> 8) & 0xf;
 9
10	if (x86 == 0xf)
11		x86 += (sig >> 20) & 0xff;
12
13	return x86;
14}
15EXPORT_SYMBOL_GPL(x86_family);
16
17unsigned int x86_model(unsigned int sig)
18{
19	unsigned int fam, model;
20
21	fam = x86_family(sig);
22
23	model = (sig >> 4) & 0xf;
24
25	if (fam >= 0x6)
26		model += ((sig >> 16) & 0xf) << 4;
27
28	return model;
29}
30EXPORT_SYMBOL_GPL(x86_model);
31
32unsigned int x86_stepping(unsigned int sig)
33{
34	return sig & 0xf;
35}
36EXPORT_SYMBOL_GPL(x86_stepping);