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/*
* This file is part of msrtool.
*
* Copyright (c) 2009 coresystems GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include "msrtool.h"
int darwin_probe(const struct sysdef *system)
{
#ifdef __DARWIN__
return iopl(3) == 0;
#else
return 0;
#endif
}
int darwin_open(uint8_t cpu, enum SysModes mode)
{
#ifdef __DARWIN__
if (cpu > 0) {
fprintf(stderr, "%s: only core 0 is supported on Mac OS X right now.\n", __func__);
return 0;
}
return 1;
#else
return 0;
#endif
}
int darwin_close(uint8_t cpu)
{
return 1;
}
int darwin_rdmsr(uint8_t cpu, uint32_t addr, struct msr *val)
{
#ifdef __DARWIN__
msr_t msr;
msr = rdmsr(addr);
val->hi = msr.lo;
val->lo = msr.hi;
return 1;
#else
return 0;
#endif
}
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