CPTR_EL2_TCPAC
cpacr_el1 |= cptr_el2 & (CPTR_EL2_TCPAC | CPTR_EL2_TAM);
.value = CPTR_EL2_TCPAC,
.mask = CPTR_EL2_TCPAC,
val |= CPTR_EL2_TCPAC;
val |= cptr & CPTR_EL2_TCPAC;