cpuid 549 bsp/drv/dev/cpufreq/est.c cpuid(1, regs); cpuid 560 bsp/drv/dev/cpufreq/est.c cpuid(0x80000002, regs); cpuid 562 bsp/drv/dev/cpufreq/est.c cpuid(0x80000003, regs); cpuid 564 bsp/drv/dev/cpufreq/est.c cpuid(0x80000004, regs); cpuid 39 bsp/drv/x86/include/cpufunc.h void cpuid(u_int eax, u_int *p);