1 files changed, 68 insertions, 0 deletions
diff --git a/lib/coq/Sail2_state.v b/lib/coq/Sail2_state.v
new file mode 100644
index 00000000..7e10aba3
--- /dev/null
+++ b/lib/coq/Sail2_state.v
@@ -0,0 +1,68 @@
+(*Require Import Sail_impl_base*)
+Require Import Sail2_values.
+Require Import Sail2_prompt_monad.
+Require Import Sail2_prompt.
+Require Import Sail2_state_monad.
+(*
+(* State monad wrapper around prompt monad *)
+
+val liftState : forall 'regval 'regs 'a 'e. register_accessors 'regs 'regval -> monad 'regval 'a 'e -> monadS 'regs 'a 'e
+let rec liftState ra s = match s with
+  | (Done a)             -> returnS a
+  | (Read_mem rk a sz k) -> bindS (read_mem_bytesS rk a sz) (fun v -> liftState ra (k v))
+  | (Read_tag t k)       -> bindS (read_tagS t)             (fun v -> liftState ra (k v))
+  | (Write_memv a k)     -> bindS (write_mem_bytesS a)      (fun v -> liftState ra (k v))
+  | (Write_tagv t k)     -> bindS (write_tagS t)            (fun v -> liftState ra (k v))
+  | (Read_reg r k)       -> bindS (read_regvalS ra r)       (fun v -> liftState ra (k v))
+  | (Excl_res k)         -> bindS (excl_resultS ())         (fun v -> liftState ra (k v))
+  | (Write_ea wk a sz k) -> seqS (write_mem_eaS wk a sz)    (liftState ra k)
+  | (Write_reg r v k)    -> seqS (write_regvalS ra r v)     (liftState ra k)
+  | (Footprint k)        -> liftState ra k
+  | (Barrier _ k)        -> liftState ra k
+  | (Fail descr)         -> failS descr
+  | (Error descr)        -> failS descr
+  | (Exception e)        -> throwS e
+end
+
+
+val iterS_aux : forall 'rv 'a 'e. integer -> (integer -> 'a -> monadS 'rv unit 'e) -> list 'a -> monadS 'rv unit 'e
+let rec iterS_aux i f xs = match xs with
+  | x :: xs -> f i x >>$ iterS_aux (i + 1) f xs
+  | [] -> returnS ()
+  end
+
+declare {isabelle} termination_argument iterS_aux = automatic
+
+val iteriS : forall 'rv 'a 'e. (integer -> 'a -> monadS 'rv unit 'e) -> list 'a -> monadS 'rv unit 'e
+let iteriS f xs = iterS_aux 0 f xs
+
+val iterS : forall 'rv 'a 'e. ('a -> monadS 'rv unit 'e) -> list 'a -> monadS 'rv unit 'e
+let iterS f xs = iteriS (fun _ x -> f x) xs
+
+val foreachS : forall 'a 'rv 'vars 'e.
+  list 'a -> 'vars -> ('a -> 'vars -> monadS 'rv 'vars 'e) -> monadS 'rv 'vars 'e
+let rec foreachS xs vars body = match xs with
+  | [] -> returnS vars
+  | x :: xs ->
+     body x vars >>$= fun vars ->
+     foreachS xs vars body
+end
+
+declare {isabelle} termination_argument foreachS = automatic
+
+
+val whileS : forall 'rv 'vars 'e. 'vars -> ('vars -> monadS 'rv bool 'e) ->
+                ('vars -> monadS 'rv 'vars 'e) -> monadS 'rv 'vars 'e
+let rec whileS vars cond body s =
+  (cond vars >>$= (fun cond_val s' ->
+  if cond_val then
+    (body vars >>$= (fun vars s'' -> whileS vars cond body s'')) s'
+  else returnS vars s')) s
+
+val untilS : forall 'rv 'vars 'e. 'vars -> ('vars -> monadS 'rv bool 'e) ->
+                ('vars -> monadS 'rv 'vars 'e) -> monadS 'rv 'vars 'e
+let rec untilS vars cond body s =
+  (body vars >>$= (fun vars s' ->
+  (cond vars >>$= (fun cond_val s'' ->
+  if cond_val then returnS vars s'' else untilS vars cond body s'')) s')) s
+*)