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Commit | Line | Data |
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e683014c PG |
1 | #include <linux/types.h> |
2 | #include <linux/export.h> | |
99f925ce BP |
3 | |
4 | unsigned 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 | } | |
15 | EXPORT_SYMBOL_GPL(x86_family); | |
16 | ||
17 | unsigned 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 | } | |
30 | EXPORT_SYMBOL_GPL(x86_model); | |
31 | ||
32 | unsigned int x86_stepping(unsigned int sig) | |
33 | { | |
34 | return sig & 0xf; | |
35 | } | |
36 | EXPORT_SYMBOL_GPL(x86_stepping); |