ICC_SGI1R_EL1_TL_SHIFT
#define ICC_SGI1R_EL1_TL_MASK (0xffffUL << ICC_SGI1R_EL1_TL_SHIFT)
cpus = ICC_SGI1R_EL1_TL_VAL(rval) >> ICC_SGI1R_EL1_TL_SHIFT;