diff options
Diffstat (limited to 'src/cpu/intel/model_206ax/model_206ax_init.c')
| -rw-r--r-- | src/cpu/intel/model_206ax/model_206ax_init.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/cpu/intel/model_206ax/model_206ax_init.c b/src/cpu/intel/model_206ax/model_206ax_init.c index 74ad0e8372..2028af0196 100644 --- a/src/cpu/intel/model_206ax/model_206ax_init.c +++ b/src/cpu/intel/model_206ax/model_206ax_init.c @@ -35,6 +35,9 @@ #include <pc80/mc146818rtc.h> #include "model_206ax.h" #include "chip.h" +#include <cpu/intel/smm/gen1/smi.h> + +#define CORE_THREAD_COUNT_MSR 0x35 /* * List of supported C-states in this processor @@ -473,6 +476,20 @@ static void configure_mca(void) wrmsr(IA32_MC0_STATUS + (i * 4), msr); } +int cpu_get_apic_id_map(int *apic_id_map) +{ + msr_t msr; + int num_cpus, i; + + msr = rdmsr(CORE_THREAD_COUNT_MSR); + num_cpus = msr.lo & 0xffff; + + for (i = 0; i < num_cpus && i < CONFIG_MAX_CPUS; i++) + apic_id_map[i] = i; + + return num_cpus; +} + /* * Initialize any extra cores/threads in this package. */ |