Require Import Sail.Base. Open Scope Z. Definition write_ram {rv e a} wk (addr : mword a) size (v : mword (8 * size)) (meta : unit) : monad rv bool e := write_mem wk a addr size v. Definition read_ram {rv e a} rk (addr : mword a) size (read_tag : bool) `{ArithFact (size >=? 0)} : monad rv (mword (8 * size) * unit) e := read_mem rk a addr size >>= fun data => returnm (data, tt).