MAS3_SX
e.mas3 = (pa & MAS3_RPN) | MAS3_SR | MAS3_SW | MAS3_SX;
#define PTE_SX (MAS3_SX << PTE_MAS3_SHIFT)
#define PTE_MAS3_MASK ((MAS3_UX | MAS3_SX | MAS3_UW \