mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-07-05 10:48:29 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add pseudoteletypewriter to emulator

Browse source 
https://justine.storage.googleapis.com/emulator628.mp4
This commit is contained in:
Justine Tunney 2020-08-26 23:08:08 -07:00
parent e86cff8ba0
commit 5aabacb361
94 changed files with 3245 additions and 2179 deletions
Download patch file Download diff file Expand all files Collapse all files

40
tool/build/lib/time.c Normal file
View file

@ -0,0 +1,40 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program is distributed in the hope that it will be useful, but │
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/nexgen32e/rdtsc.h"
#include "libc/sysv/consts/clock.h"
#include "libc/time/time.h"
#include "tool/build/lib/endian.h"
#include "tool/build/lib/time.h"
/**
* I am the timelorde.
*/
void OpRdtsc(struct Machine *m) {
uint64_t c;
#ifdef __x86_64__
c = rdtsc();
#else
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
c = ts.tv_sec * 1000000000 + ts.tv_nsec;
#endif
Write64(m->ax, (c >> 000) & 0xffffffff);
Write64(m->dx, (c >> 040) & 0xffffffff);
}