a73b93157f
It encourages users from writing to the FSF without giving an address. Linux also prefers to drop that and their checkpatch.pl (that we imported) looks out for that. This is the result of util/scripts/no-fsf-addresses.sh with no further editing. Change-Id: Ie96faea295fe001911d77dbc51e9a6789558fbd6 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/11888 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
69 lines
1.3 KiB
C
69 lines
1.3 KiB
C
/*
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* This file is part of msrtool.
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*
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* Copyright (c) 2009 coresystems GmbH
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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 version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include "msrtool.h"
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/* This Darwin support requires DirectHW, which is available at
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* http://www.coreboot.org/DirectHW
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*/
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int darwin_probe(const struct sysdef *system)
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{
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#ifdef __DARWIN__
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return iopl(3) == 0;
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#else
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return 0;
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#endif
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}
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int darwin_open(uint8_t cpu, enum SysModes mode)
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{
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#ifdef __DARWIN__
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if (cpu > 0) {
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fprintf(stderr, "%s: only core 0 is supported on Mac OS X right now.\n", __func__);
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return 0;
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}
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return 1;
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#else
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return 0;
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#endif
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}
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int darwin_close(uint8_t cpu)
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{
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return 1;
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}
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int darwin_rdmsr(uint8_t cpu, uint32_t addr, struct msr *val)
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{
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#ifdef __DARWIN__
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msr_t msr;
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msr = rdmsr(addr);
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val->hi = msr.lo;
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val->lo = msr.hi;
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return 1;
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#else
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return 0;
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#endif
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}
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