TCR_T1SZ_SHIFT
#define TCR_T1SZ_MASK (UL(0x3f) << TCR_T1SZ_SHIFT)
#define TCR_T1SZ(x) ((x) << TCR_T1SZ_SHIFT)
tsz = (paging->tcr_el1 & TCR_T1SZ_MASK) >> TCR_T1SZ_SHIFT;