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/*
* This file is part of the coreboot project.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* 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.
*/
#include <smp/node.h>
#include <cpu/x86/msr.h>
#include <cpu/x86/lapic_def.h>
#if IS_ENABLED(CONFIG_SMP)
int boot_cpu(void)
{
int bsp;
msr_t msr;
msr = rdmsr(LAPIC_BASE_MSR);
bsp = !!(msr.lo & (1 << 8));
return bsp;
}
#endif
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