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Diffstat (limited to 'src/soc/intel/skylake/cpu.c')
| -rw-r--r-- | src/soc/intel/skylake/cpu.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/cpu.c b/src/soc/intel/skylake/cpu.c index f92635da77..e9bb29f7a6 100644 --- a/src/soc/intel/skylake/cpu.c +++ b/src/soc/intel/skylake/cpu.c @@ -435,6 +435,17 @@ static int adjust_apic_id(int index, int apic_id) return index; } +/* Check whether the current CPU is the sibling hyperthread. */ +int is_secondary_thread(void) +{ + int apic_id; + apic_id = lapicid(); + + if (!ht_disabled && (apic_id & 1)) + return 1; + return 0; +} + static void per_cpu_smm_trigger(void) { /* Relocate the SMM handler. */ |