diff options
author | Stefan Reinauer <stepan@coresystems.de> | 2009-09-01 10:03:01 +0000 |
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committer | Stefan Reinauer <stepan@openbios.org> | 2009-09-01 10:03:01 +0000 |
commit | 37f3935029cef0616fa36b9c822496e3e51f03ba (patch) | |
tree | 347c23e4a92e282a9e2d074d46e29cd73475e1db /util/msrtool/darwin.c | |
parent | e95eb616cc987072a1a17f8b98854645fb82bfce (diff) |
port msrtool to darwin.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Peter Stuge <peter@stuge.se>
with minor changes to allow 32bit and 64bit compilation and (I hope), Peter's
concerns addressed.
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4624 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'util/msrtool/darwin.c')
-rw-r--r-- | util/msrtool/darwin.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/util/msrtool/darwin.c b/util/msrtool/darwin.c new file mode 100644 index 0000000000..bdd169e97a --- /dev/null +++ b/util/msrtool/darwin.c @@ -0,0 +1,61 @@ +/* + * 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) +{ + if (cpu > 0) { + fprintf(stderr, "%s: only core 0 is supported on Mac OS X right now.\n", __func__); + return 0; + } + return 1; +} + +int darwin_close(uint8_t cpu) +{ + return 1; +} + +int darwin_rdmsr(uint8_t cpu, uint32_t addr, struct msr *val) +{ + msr_t msr; + + msr = rdmsr(addr); + + val->hi = msr.lo; + val->lo = msr.hi; + return 1; +} |