40 lines
2.6 KiB
C
40 lines
2.6 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ WITHOUT ANY WARRANTY; without even the implied warranty of │
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│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/alg/bisect.h"
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#include "libc/nexgen32e/x86info.h"
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static int CmpX86ProcModelKey(const struct X86ProcessorModel *a,
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const struct X86ProcessorModel *b) {
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return a->key > b->key ? 1 : a->key < b->key ? -1 : 0;
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}
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/**
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* Identifies microarchitecture of host processor.
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*
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* @param key can be kX86ProcessorModelKey for host info
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* @see https://en.wikichip.org/wiki/intel/cpuid
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* @see https://a4lg.com/tech/x86/database/x86-families-and-models.en.html
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*/
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const struct X86ProcessorModel *getx86processormodel(short key) {
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return bisect(&(struct X86ProcessorModel){key}, kX86ProcessorModels,
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kX86ProcessorModelCount, sizeof(struct X86ProcessorModel),
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(void *)CmpX86ProcModelKey, NULL);
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}
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