Files
system76-coreboot/src/cpu/x86/lapic/boot_cpu.c
Martin Roth 6add44bd3c src/cpu/x86: Update/Add license headers to all files
Change-Id: I436bf0e7db008ea78e29eaeef10bea101e6c8922
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/18405
Tested-by: build bot (Jenkins)
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
2017-02-22 22:23:11 +01:00

27 lines
687 B
C

/*
* 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>
#if CONFIG_SMP
int boot_cpu(void)
{
int bsp;
msr_t msr;
msr = rdmsr(0x1b);
bsp = !!(msr.lo & (1 << 8));
return bsp;
}
#endif