41 lines
2.3 KiB
C
41 lines
2.3 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/nexgen32e/rdtsc.h"
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#include "libc/sysv/consts/clock.h"
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#include "libc/time/time.h"
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#include "tool/build/lib/endian.h"
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#include "tool/build/lib/time.h"
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/**
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* I am the timelorde.
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*/
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void OpRdtsc(struct Machine *m) {
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uint64_t c;
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#ifdef __x86_64__
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c = rdtsc();
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#else
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struct timespec ts;
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clock_gettime(CLOCK_MONOTONIC, &ts);
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c = ts.tv_sec * 1000000000 + ts.tv_nsec;
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#endif
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Write64(m->ax, (c >> 000) & 0xffffffff);
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Write64(m->dx, (c >> 040) & 0xffffffff);
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}
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