diff options
Diffstat (limited to 'src/cpu/p6/boot_cpu.c')
-rw-r--r-- | src/cpu/p6/boot_cpu.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/cpu/p6/boot_cpu.c b/src/cpu/p6/boot_cpu.c new file mode 100644 index 0000000000..803eecdd5d --- /dev/null +++ b/src/cpu/p6/boot_cpu.c @@ -0,0 +1,12 @@ +#include <cpu/p6/msr.h> + +int boot_cpu(void) +{ + volatile unsigned long *local_apic; + unsigned long apic_id; + int bsp; + msr_t msr; + msr = rdmsr(0x1b); + bsp = !!(msr.lo & (1 << 8)); + return bsp; +} |