/* SPDX-License-Identifier: GPL-2.0-only */ #include <cpu/x86/lapic_def.h> #include <cpu/x86/msr.h> #include <smp/node.h> #if CONFIG(SMP) int boot_cpu(void) { int bsp; msr_t msr; msr = rdmsr(LAPIC_BASE_MSR); bsp = !!(msr.lo & (1 << 8)); return bsp; } #endif