MPIDR_AFF2
(MPIDR_AFF3|MPIDR_AFF2|MPIDR_AFF1|MPIDR_AFF0);
const u_int aff2 = __SHIFTOUT(cpuid, MPIDR_AFF2);
pkgid = __SHIFTOUT(mpidr, MPIDR_AFF2);
aff2 = __SHIFTOUT(mpidr, MPIDR_AFF2);
return armreg_mpidr_read() & (MPIDR_AFF2|MPIDR_AFF1|MPIDR_AFF0);
__SHIFTOUT(mpidr, MPIDR_AFF2),