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v4.17
 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);
v4.6
 1#include <linux/module.h>
 
 2
 3unsigned int x86_family(unsigned int sig)
 4{
 5	unsigned int x86;
 6
 7	x86 = (sig >> 8) & 0xf;
 8
 9	if (x86 == 0xf)
10		x86 += (sig >> 20) & 0xff;
11
12	return x86;
13}
14EXPORT_SYMBOL_GPL(x86_family);
15
16unsigned int x86_model(unsigned int sig)
17{
18	unsigned int fam, model;
19
20	 fam = x86_family(sig);
21
22	model = (sig >> 4) & 0xf;
23
24	if (fam >= 0x6)
25		model += ((sig >> 16) & 0xf) << 4;
26
27	return model;
28}
29EXPORT_SYMBOL_GPL(x86_model);
30
31unsigned int x86_stepping(unsigned int sig)
32{
33	return sig & 0xf;
34}
35EXPORT_SYMBOL_GPL(x86_stepping);