diff options
Diffstat (limited to 'src/cpu/x86/lapic')
| -rw-r--r-- | src/cpu/x86/lapic/boot_cpu.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/cpu/x86/lapic/boot_cpu.c b/src/cpu/x86/lapic/boot_cpu.c index 7ba21fe90c..4654086114 100644 --- a/src/cpu/x86/lapic/boot_cpu.c +++ b/src/cpu/x86/lapic/boot_cpu.c @@ -13,13 +13,14 @@ #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(0x1b); + msr = rdmsr(LAPIC_BASE_MSR); bsp = !!(msr.lo & (1 << 8)); return bsp; } |