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38 lines
624 B
38 lines
624 B
// SPDX-License-Identifier: GPL-2.0-only |
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#include <linux/types.h> |
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#include <linux/export.h> |
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#include <asm/cpu.h> |
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unsigned int x86_family(unsigned int sig) |
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{ |
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unsigned int x86; |
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x86 = (sig >> 8) & 0xf; |
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if (x86 == 0xf) |
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x86 += (sig >> 20) & 0xff; |
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return x86; |
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} |
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EXPORT_SYMBOL_GPL(x86_family); |
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unsigned int x86_model(unsigned int sig) |
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{ |
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unsigned int fam, model; |
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fam = x86_family(sig); |
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model = (sig >> 4) & 0xf; |
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if (fam >= 0x6) |
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model += ((sig >> 16) & 0xf) << 4; |
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return model; |
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} |
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EXPORT_SYMBOL_GPL(x86_model); |
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unsigned int x86_stepping(unsigned int sig) |
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{ |
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return sig & 0xf; |
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} |
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EXPORT_SYMBOL_GPL(x86_stepping);
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