0fa92b31b0
Some of these can be changed from #if to if(), but that will happen in a follow-on commmit. Change-Id: I4e5e585c3f98a129d89ef38b26d828d3bfeac7cf Signed-off-by: Martin Roth <martinroth@google.com> Reviewed-on: https://review.coreboot.org/20356 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
27 lines
699 B
C
27 lines
699 B
C
/*
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* This file is part of the coreboot project.
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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 as published by
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* the Free Software Foundation; version 2 of the License.
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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 <smp/node.h>
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#include <cpu/x86/msr.h>
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#if IS_ENABLED(CONFIG_SMP)
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int boot_cpu(void)
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{
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int bsp;
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msr_t msr;
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msr = rdmsr(0x1b);
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bsp = !!(msr.lo & (1 << 8));
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return bsp;
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}
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#endif
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