mirror of https://github.com/BOINC/boinc.git
45 lines
1.6 KiB
C++
45 lines
1.6 KiB
C++
// This file is part of BOINC.
|
|
// http://boinc.berkeley.edu
|
|
// Copyright (C) 2021 University of California
|
|
//
|
|
// BOINC is free software; you can redistribute it and/or modify it
|
|
// under the terms of the GNU Lesser General Public License
|
|
// as published by the Free Software Foundation,
|
|
// either version 3 of the License, or (at your option) any later version.
|
|
//
|
|
// BOINC 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 Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
// This helper program is used to detect an emulated x86_64 CPU on Apples
|
|
// ARM64 CPUs (M1). It should be compiled _only_ for x86_64 architecture.
|
|
// It writes the feature string of the emulated CPU to a file
|
|
// EMULATED_CPU_INFO_FILENAME in the current working directory.
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
#include <sys/sysctl.h>
|
|
|
|
#include "hostinfo.h" // for P_FEATURES_SIZE
|
|
#include "filesys.h" // for boinc_fopen()
|
|
#include "file_names.h" // for EMULATED_CPU_INFO_FILENAME
|
|
|
|
int main () {
|
|
size_t len;
|
|
char features[P_FEATURES_SIZE];
|
|
FILE*fp;
|
|
|
|
len = sizeof(features);
|
|
sysctlbyname("machdep.cpu.features", features, &len, NULL, 0);
|
|
if ((fp = boinc_fopen(EMULATED_CPU_INFO_FILENAME, "w"))) {
|
|
fprintf(fp," %s\n", features);
|
|
fclose(fp);
|
|
}
|
|
return 0;
|
|
}
|