MAS3_SR
e.mas3 = (pa & MAS3_RPN) | MAS3_SR | MAS3_SW | MAS3_SX;
prot = e.mas3 & (MAS3_SR | MAS3_SW);
if (prot != (MAS3_SR | MAS3_SW))
#define PTE_SR (MAS3_SR << PTE_MAS3_SHIFT)
| MAS3_SW | MAS3_UR | MAS3_SR) << PTE_MAS3_SHIFT)