From 1bb5fcf93261f2de51909ff51bf229d21e4b13a6 Mon Sep 17 00:00:00 2001 From: Jon French Date: Thu, 14 Jun 2018 16:37:31 +0100 Subject: rename all lem support files to sail2_foo to avoid conflict with sail1 in rmem --- src/gen_lib/deep_shallow_convert.lem | 579 ------------------ src/gen_lib/prompt.lem | 115 ---- src/gen_lib/prompt_monad.lem | 221 ------- src/gen_lib/sail2_deep_shallow_convert.lem | 579 ++++++++++++++++++ src/gen_lib/sail2_operators.lem | 207 +++++++ src/gen_lib/sail2_operators_bitlists.lem | 312 ++++++++++ src/gen_lib/sail2_operators_mwords.lem | 333 ++++++++++ src/gen_lib/sail2_prompt.lem | 115 ++++ src/gen_lib/sail2_prompt_monad.lem | 221 +++++++ src/gen_lib/sail2_state.lem | 85 +++ src/gen_lib/sail2_state_lifting.lem | 27 + src/gen_lib/sail2_state_monad.lem | 280 +++++++++ src/gen_lib/sail2_string.lem | 161 +++++ src/gen_lib/sail2_values.lem | 949 +++++++++++++++++++++++++++++ src/gen_lib/sail_operators.lem | 207 ------- src/gen_lib/sail_operators_bitlists.lem | 312 ---------- src/gen_lib/sail_operators_mwords.lem | 333 ---------- src/gen_lib/sail_string.lem | 150 ----- src/gen_lib/sail_values.lem | 949 ----------------------------- src/gen_lib/state.lem | 85 --- src/gen_lib/state_lifting.lem | 27 - src/gen_lib/state_monad.lem | 280 --------- 22 files changed, 3269 insertions(+), 3258 deletions(-) delete mode 100644 src/gen_lib/deep_shallow_convert.lem delete mode 100644 src/gen_lib/prompt.lem delete mode 100644 src/gen_lib/prompt_monad.lem create mode 100644 src/gen_lib/sail2_deep_shallow_convert.lem create mode 100644 src/gen_lib/sail2_operators.lem create mode 100644 src/gen_lib/sail2_operators_bitlists.lem create mode 100644 src/gen_lib/sail2_operators_mwords.lem create mode 100644 src/gen_lib/sail2_prompt.lem create mode 100644 src/gen_lib/sail2_prompt_monad.lem create mode 100644 src/gen_lib/sail2_state.lem create mode 100644 src/gen_lib/sail2_state_lifting.lem create mode 100644 src/gen_lib/sail2_state_monad.lem create mode 100644 src/gen_lib/sail2_string.lem create mode 100644 src/gen_lib/sail2_values.lem delete mode 100644 src/gen_lib/sail_operators.lem delete mode 100644 src/gen_lib/sail_operators_bitlists.lem delete mode 100644 src/gen_lib/sail_operators_mwords.lem delete mode 100644 src/gen_lib/sail_string.lem delete mode 100644 src/gen_lib/sail_values.lem delete mode 100644 src/gen_lib/state.lem delete mode 100644 src/gen_lib/state_lifting.lem delete mode 100644 src/gen_lib/state_monad.lem (limited to 'src/gen_lib') diff --git a/src/gen_lib/deep_shallow_convert.lem b/src/gen_lib/deep_shallow_convert.lem deleted file mode 100644 index 7fea0409..00000000 --- a/src/gen_lib/deep_shallow_convert.lem +++ /dev/null @@ -1,579 +0,0 @@ -open import Pervasives_extra -open import Sail_impl_base -open import Interp -open import Interp_ast -open import Sail_values - - -class (ToFromInterpValue 'a) - val toInterpValue : 'a -> Interp_ast.value - val fromInterpValue : Interp_ast.value -> 'a -end - -let toInterValueBool = function - | true -> Interp_ast.V_lit (L_aux (L_one) Unknown) - | false -> Interp_ast.V_lit (L_aux (L_zero) Unknown) -end -let rec fromInterpValueBool v = match v with - | Interp_ast.V_lit (L_aux (L_one) _) -> true - | Interp_ast.V_lit (L_aux (L_true) _) -> true - | Interp_ast.V_lit (L_aux (L_zero) _) -> false - | Interp_ast.V_lit (L_aux (L_false) _) -> false - | Interp_ast.V_tuple [v] -> fromInterpValueBool v - | v -> failwith ("fromInterpValue bool: unexpected value. " ^ - Interp.debug_print_value v) -end -instance (ToFromInterpValue bool) - let toInterpValue = toInterValueBool - let fromInterpValue = fromInterpValueBool -end - - -let toInterpValueUnit () = Interp_ast.V_lit (L_aux (L_unit) Unknown) -let rec fromInterpValueUnit v = match v with - | Interp_ast.V_lit (L_aux (L_unit) _) -> () - | Interp_ast.V_tuple [v] -> fromInterpValueUnit v - | v -> failwith ("fromInterpValue unit: unexpected value. " ^ - Interp.debug_print_value v) -end -instance (ToFromInterpValue unit) - let toInterpValue = toInterpValueUnit - let fromInterpValue = fromInterpValueUnit -end - - -let toInterpValueInteger i = V_lit (L_aux (L_num i) Unknown) -let rec fromInterpValueInteger v = match v with - | Interp_ast.V_lit (L_aux (L_num i) _) -> i - | Interp_ast.V_tuple [v] -> fromInterpValueInteger v - | v -> failwith ("fromInterpValue integer: unexpected value. " ^ - Interp.debug_print_value v) -end -instance (ToFromInterpValue integer) - let toInterpValue = toInterpValueInteger - let fromInterpValue = fromInterpValueInteger -end - - -let toInterpValueString s = V_lit (L_aux (L_string s) Unknown) -let rec fromInterpValueString v = match v with - | Interp_ast.V_lit (L_aux (L_string s) _) -> s - | Interp_ast.V_tuple [v] -> fromInterpValueString v - | v -> failwith ("fromInterpValue integer: unexpected value. " ^ - Interp.debug_print_value v) -end -instance (ToFromInterpValue string) - let toInterpValue = toInterpValueString - let fromInterpValue = fromInterpValueString -end - - -let toInterpValueBitU = function - | B1 -> Interp_ast.V_lit (L_aux (L_one) Unknown) - | B0 -> Interp_ast.V_lit (L_aux (L_zero) Unknown) - | BU -> Interp_ast.V_lit (L_aux (L_undef) Unknown) -end -let rec fromInterpValueBitU v = match v with - | Interp_ast.V_lit (L_aux (L_one) _) -> B1 - | Interp_ast.V_lit (L_aux (L_zero) _) -> B0 - | Interp_ast.V_lit (L_aux (L_undef) _) -> BU - | Interp_ast.V_lit (L_aux (L_true) _) -> B1 - | Interp_ast.V_lit (L_aux (L_false) _) -> B0 - | Interp_ast.V_tuple [v] -> fromInterpValueBitU v - | v -> failwith ("fromInterpValue bitU: unexpected value. " ^ - Interp.debug_print_value v) -end -instance (ToFromInterpValue bitU) - let toInterpValue = toInterpValueBitU - let fromInterpValue = fromInterpValueBitU -end - - -let tuple2ToInterpValue (a,b) = - V_tuple [toInterpValue a;toInterpValue b] -let rec tuple2FromInterpValue v = match v with - | V_tuple [a;b] -> (fromInterpValue a,fromInterpValue b) - | V_tuple [v] -> tuple2FromInterpValue v - | v -> failwith ("fromInterpValue a*b: unexpected value. " ^ - Interp.debug_print_value v) - end -instance forall 'a 'b. ToFromInterpValue 'a, ToFromInterpValue 'b => (ToFromInterpValue ('a * 'b)) - let toInterpValue = tuple2ToInterpValue - let fromInterpValue = tuple2FromInterpValue -end - - -let tuple3ToInterpValue (a,b,c) = - V_tuple [toInterpValue a;toInterpValue b;toInterpValue c] -let rec tuple3FromInterpValue v = match v with - | V_tuple [a;b;c] -> (fromInterpValue a,fromInterpValue b,fromInterpValue c) - | V_tuple [v] -> tuple3FromInterpValue v - | v -> failwith ("fromInterpValue a*b*c: unexpected value. " ^ - Interp.debug_print_value v) - end -instance forall 'a 'b 'c. ToFromInterpValue 'a, ToFromInterpValue 'b, ToFromInterpValue 'c => - (ToFromInterpValue ('a * 'b * 'c)) - let toInterpValue = tuple3ToInterpValue - let fromInterpValue = tuple3FromInterpValue -end - - -let tuple4ToInterpValue (a,b,c,d) = - V_tuple [toInterpValue a;toInterpValue b;toInterpValue c;toInterpValue d] -let rec tuple4FromInterpValue v = match v with - | V_tuple [a;b;c;d] -> (fromInterpValue a,fromInterpValue b, - fromInterpValue c,fromInterpValue d) - | V_tuple [v] -> tuple4FromInterpValue v - | v -> failwith ("fromInterpValue a*b*c*d: unexpected value. " ^ - Interp.debug_print_value v) - end -instance forall 'a 'b 'c 'd. ToFromInterpValue 'a, ToFromInterpValue 'b, - ToFromInterpValue 'c, ToFromInterpValue 'd => - (ToFromInterpValue ('a * 'b * 'c * 'd)) - let toInterpValue = tuple4ToInterpValue - let fromInterpValue = tuple4FromInterpValue -end - - -let tuple5ToInterpValue (a,b,c,d,e) = - V_tuple [toInterpValue a;toInterpValue b;toInterpValue c;toInterpValue d;toInterpValue e] -let rec tuple5FromInterpValue v = match v with - | V_tuple [a;b;c;d;e] -> - (fromInterpValue a,fromInterpValue b,fromInterpValue c, - fromInterpValue d,fromInterpValue e) - | V_tuple [v] -> tuple5FromInterpValue v - | v -> failwith ("fromInterpValue a*b*c*d*e: unexpected value. " ^ - Interp.debug_print_value v) - end -instance forall 'a 'b 'c 'd 'e. - ToFromInterpValue 'a, ToFromInterpValue 'b, - ToFromInterpValue 'c, ToFromInterpValue 'd, - ToFromInterpValue 'e => - (ToFromInterpValue ('a * 'b * 'c * 'd * 'e)) - let toInterpValue = tuple5ToInterpValue - let fromInterpValue = tuple5FromInterpValue -end - - -let tuple6ToInterpValue (a,b,c,d,e,f) = - V_tuple [toInterpValue a;toInterpValue b;toInterpValue c;toInterpValue d; - toInterpValue e;toInterpValue f] -let rec tuple6FromInterpValue v = match v with - | V_tuple [a;b;c;d;e;f] -> - (fromInterpValue a,fromInterpValue b,fromInterpValue c, - fromInterpValue d,fromInterpValue e,fromInterpValue f) - | V_tuple [v] -> tuple6FromInterpValue v - | v -> failwith ("fromInterpValue a*b*c*d*e*f: unexpected value. " ^ - Interp.debug_print_value v) - end -instance forall 'a 'b 'c 'd 'e 'f. - ToFromInterpValue 'a, ToFromInterpValue 'b, - ToFromInterpValue 'c, ToFromInterpValue 'd, - ToFromInterpValue 'e, ToFromInterpValue 'f => - (ToFromInterpValue ('a * 'b * 'c * 'd * 'e * 'f)) - let toInterpValue = tuple6ToInterpValue - let fromInterpValue = tuple6FromInterpValue -end - - -let tuple7ToInterpValue (a,b,c,d,e,f,g) = - V_tuple [toInterpValue a;toInterpValue b;toInterpValue c;toInterpValue d; - toInterpValue e;toInterpValue f;toInterpValue g] -let rec tuple7FromInterpValue v = match v with - | V_tuple [a;b;c;d;e;f;g] -> - (fromInterpValue a,fromInterpValue b,fromInterpValue c, - fromInterpValue d,fromInterpValue e,fromInterpValue f, - fromInterpValue g) - | V_tuple [v] -> tuple7FromInterpValue v - | v -> failwith ("fromInterpValue a*b*c*d*e*f*g: unexpected value. " ^ - Interp.debug_print_value v) - end -instance forall 'a 'b 'c 'd 'e 'f 'g. - ToFromInterpValue 'a, ToFromInterpValue 'b, - ToFromInterpValue 'c, ToFromInterpValue 'd, - ToFromInterpValue 'e, ToFromInterpValue 'f, - ToFromInterpValue 'g => - (ToFromInterpValue ('a * 'b * 'c * 'd * 'e * 'f * 'g)) - let toInterpValue = tuple7ToInterpValue - let fromInterpValue = tuple7FromInterpValue -end - - -let tuple8ToInterpValue (a,b,c,d,e,f,g,h) = - V_tuple [toInterpValue a;toInterpValue b;toInterpValue c;toInterpValue d; - toInterpValue e;toInterpValue f;toInterpValue g;toInterpValue h] -let rec tuple8FromInterpValue v = match v with - | V_tuple [a;b;c;d;e;f;g;h] -> - (fromInterpValue a,fromInterpValue b,fromInterpValue c, - fromInterpValue d,fromInterpValue e,fromInterpValue f, - fromInterpValue g,fromInterpValue h) - | V_tuple [v] -> tuple8FromInterpValue v - | v -> failwith ("fromInterpValue a*b*c*d*e*f*g*h: unexpected value. " ^ - Interp.debug_print_value v) - end -instance forall 'a 'b 'c 'd 'e 'f 'g 'h. - ToFromInterpValue 'a, ToFromInterpValue 'b, - ToFromInterpValue 'c, ToFromInterpValue 'd, - ToFromInterpValue 'e, ToFromInterpValue 'f, - ToFromInterpValue 'g, ToFromInterpValue 'h => - (ToFromInterpValue ('a * 'b * 'c * 'd * 'e * 'f * 'g * 'h)) - let toInterpValue = tuple8ToInterpValue - let fromInterpValue = tuple8FromInterpValue -end - - -let tuple9ToInterpValue (a,b,c,d,e,f,g,h,i) = - V_tuple [toInterpValue a;toInterpValue b;toInterpValue c;toInterpValue d; - toInterpValue e;toInterpValue f;toInterpValue g;toInterpValue h; - toInterpValue i] -let rec tuple9FromInterpValue v = match v with - | V_tuple [a;b;c;d;e;f;g;h;i] -> - (fromInterpValue a,fromInterpValue b,fromInterpValue c, - fromInterpValue d,fromInterpValue e,fromInterpValue f, - fromInterpValue g,fromInterpValue h,fromInterpValue i) - | V_tuple [v] -> tuple9FromInterpValue v - | v -> failwith ("fromInterpValue a*b*c*d*e*f*g*h*i: unexpected value. " ^ - Interp.debug_print_value v) - end -instance forall 'a 'b 'c 'd 'e 'f 'g 'h 'i. - ToFromInterpValue 'a, ToFromInterpValue 'b, - ToFromInterpValue 'c, ToFromInterpValue 'd, - ToFromInterpValue 'e, ToFromInterpValue 'f, - ToFromInterpValue 'g, ToFromInterpValue 'h, - ToFromInterpValue 'i => - (ToFromInterpValue ('a * 'b * 'c * 'd * 'e * 'f * 'g * 'h * 'i)) - let toInterpValue = tuple9ToInterpValue - let fromInterpValue = tuple9FromInterpValue -end - - -let tuple10ToInterpValue (a,b,c,d,e,f,g,h,i,j) = - V_tuple [toInterpValue a;toInterpValue b;toInterpValue c;toInterpValue d; - toInterpValue e;toInterpValue f;toInterpValue g;toInterpValue h; - toInterpValue i;toInterpValue j;] -let rec tuple10FromInterpValue v = match v with - | V_tuple [a;b;c;d;e;f;g;h;i;j] -> - (fromInterpValue a,fromInterpValue b,fromInterpValue c, - fromInterpValue d,fromInterpValue e,fromInterpValue f, - fromInterpValue g,fromInterpValue h,fromInterpValue i, - fromInterpValue j) - | V_tuple [v] -> tuple10FromInterpValue v - | v -> failwith ("fromInterpValue a*b*c*d*e*f*g*h*i*j: unexpected value. " ^ - Interp.debug_print_value v) - end -instance forall 'a 'b 'c 'd 'e 'f 'g 'h 'i 'j. - ToFromInterpValue 'a, ToFromInterpValue 'b, - ToFromInterpValue 'c, ToFromInterpValue 'd, - ToFromInterpValue 'e, ToFromInterpValue 'f, - ToFromInterpValue 'g, ToFromInterpValue 'h, - ToFromInterpValue 'i, ToFromInterpValue 'j => - (ToFromInterpValue ('a * 'b * 'c * 'd * 'e * 'f * 'g * 'h * 'i * 'j)) - let toInterpValue = tuple10ToInterpValue - let fromInterpValue = tuple10FromInterpValue -end - - -let tuple11ToInterpValue (a,b,c,d,e,f,g,h,i,j,k) = - V_tuple [toInterpValue a;toInterpValue b;toInterpValue c;toInterpValue d; - toInterpValue e;toInterpValue f;toInterpValue g;toInterpValue h; - toInterpValue i;toInterpValue j;toInterpValue k;] -let rec tuple11FromInterpValue v = match v with - | V_tuple [a;b;c;d;e;f;g;h;i;j;k] -> - (fromInterpValue a,fromInterpValue b,fromInterpValue c, - fromInterpValue d,fromInterpValue e,fromInterpValue f, - fromInterpValue g,fromInterpValue h,fromInterpValue i, - fromInterpValue j,fromInterpValue k) - | V_tuple [v] -> tuple11FromInterpValue v - | v -> failwith ("fromInterpValue a*b*c*d*e*f*g*h*i*j*k: unexpected value. " ^ - Interp.debug_print_value v) - end -instance forall 'a 'b 'c 'd 'e 'f 'g 'h 'i 'j 'k. - ToFromInterpValue 'a, ToFromInterpValue 'b, - ToFromInterpValue 'c, ToFromInterpValue 'd, - ToFromInterpValue 'e, ToFromInterpValue 'f, - ToFromInterpValue 'g, ToFromInterpValue 'h, - ToFromInterpValue 'i, ToFromInterpValue 'j, - ToFromInterpValue 'k => - (ToFromInterpValue ('a * 'b * 'c * 'd * 'e * 'f * 'g * 'h * 'i * 'j * 'k)) - let toInterpValue = tuple11ToInterpValue - let fromInterpValue = tuple11FromInterpValue -end - - -let tuple12ToInterpValue (a,b,c,d,e,f,g,h,i,j,k,l) = - V_tuple [toInterpValue a;toInterpValue b;toInterpValue c;toInterpValue d; - toInterpValue e;toInterpValue f;toInterpValue g;toInterpValue h; - toInterpValue i;toInterpValue j;toInterpValue k;toInterpValue l;] -let rec tuple12FromInterpValue v = match v with - | V_tuple [a;b;c;d;e;f;g;h;i;j;k;l] -> - (fromInterpValue a,fromInterpValue b,fromInterpValue c, - fromInterpValue d,fromInterpValue e,fromInterpValue f, - fromInterpValue g,fromInterpValue h,fromInterpValue i, - fromInterpValue j,fromInterpValue k,fromInterpValue l) - | V_tuple [v] -> tuple12FromInterpValue v - | v -> failwith ("fromInterpValue a*b*c*d*e*f*g*h*i*j*k*l: unexpected value. " ^ - Interp.debug_print_value v) - end -instance forall 'a 'b 'c 'd 'e 'f 'g 'h 'i 'j 'k 'l. - ToFromInterpValue 'a, ToFromInterpValue 'b, - ToFromInterpValue 'c, ToFromInterpValue 'd, - ToFromInterpValue 'e, ToFromInterpValue 'f, - ToFromInterpValue 'g, ToFromInterpValue 'h, - ToFromInterpValue 'i, ToFromInterpValue 'j, - ToFromInterpValue 'k, ToFromInterpValue 'l => - (ToFromInterpValue ('a * 'b * 'c * 'd * 'e * 'f * 'g * 'h * 'i * 'j * 'k * 'l)) - let toInterpValue = tuple12ToInterpValue - let fromInterpValue = tuple12FromInterpValue -end - - -let listToInterpValue l = V_list (List.map toInterpValue l) -let rec listFromInterpValue v = match v with - | V_list l -> List.map fromInterpValue l - | V_tuple [v] -> listFromInterpValue v - | v -> failwith ("fromInterpValue list 'a: unexpected value. " ^ - Interp.debug_print_value v) - end -instance forall 'a. ToFromInterpValue 'a => (ToFromInterpValue (list 'a)) - let toInterpValue = listToInterpValue - let fromInterpValue = listFromInterpValue -end - - -let vectorToInterpValue (Vector vs start direction) = - V_vector (natFromInteger start) (if direction then IInc else IDec) (List.map toInterpValue vs) -let rec vectorFromInterpValue v = match v with - | V_vector start direction vs -> - Vector (List.map fromInterpValue vs) (integerFromNat start) - (match direction with | IInc -> true | IDec -> false end) - | V_vector_sparse start length direction valuemap defaultval -> - make_indexed_vector - (List.map (fun (i,v) -> (integerFromNat i,fromInterpValue v)) valuemap) - (fromInterpValue defaultval) - (integerFromNat start) (integerFromNat length) - (match direction with | IInc -> true | IDec -> false end) - | V_tuple [v] -> vectorFromInterpValue v - | v -> failwith ("fromInterpValue vector 'a: unexpected value. " ^ - Interp.debug_print_value v) - end -instance forall 'a. ToFromInterpValue 'a => (ToFromInterpValue (vector 'a)) - let toInterpValue = vectorToInterpValue - let fromInterpValue = vectorFromInterpValue -end - -(* Here the type information is not accurate: instead of T_id "option" it should - be T_app (T_id "option") (...), but temporarily we'll do it like this. The - same thing has to be fixed in pretty_print.ml when we're generating the - type-class instances. *) -let maybeToInterpValue = function - | Nothing -> V_ctor (Id_aux (Id "None") Unknown) (T_id "option") C_Union (V_lit (L_aux L_unit Unknown)) - | Just a -> V_ctor (Id_aux (Id "Some") Unknown) (T_id "option") C_Union (toInterpValue a) - end -let rec maybeFromInterpValue v = match v with - | V_ctor (Id_aux (Id "None") _) _ _ _ -> Nothing - | V_ctor (Id_aux (Id "Some") _) _ _ v -> Just (fromInterpValue v) - | V_tuple [v] -> maybeFromInterpValue v - | v -> failwith ("fromInterpValue maybe 'a: unexpected value. " ^ - Interp.debug_print_value v) - end - -instance forall 'a. ToFromInterpValue 'a => (ToFromInterpValue (maybe 'a)) - let toInterpValue = maybeToInterpValue - let fromInterpValue = maybeFromInterpValue -end - - -let read_kindToInterpValue = function - | Read_plain -> V_ctor (Id_aux (Id "Read_plain") Unknown) (T_id "read_kind") (C_Enum 0) (toInterpValue ()) - | Read_reserve -> V_ctor (Id_aux (Id "Read_reserve") Unknown) (T_id "read_kind") (C_Enum 1) (toInterpValue ()) - | Read_acquire -> V_ctor (Id_aux (Id "Read_acquire") Unknown) (T_id "read_kind") (C_Enum 2) (toInterpValue ()) - | Read_exclusive -> V_ctor (Id_aux (Id "Read_exclusive") Unknown) (T_id "read_kind") (C_Enum 3) (toInterpValue ()) - | Read_exclusive_acquire -> V_ctor (Id_aux (Id "Read_exclusive_acquire") Unknown) (T_id "read_kind") (C_Enum 4) (toInterpValue ()) - | Read_stream -> V_ctor (Id_aux (Id "Read_stream") Unknown) (T_id "read_kind") (C_Enum 5) (toInterpValue ()) - | Read_RISCV_acquire -> V_ctor (Id_aux (Id "Read_RISCV_acquire") Unknown) (T_id "read_kind") (C_Enum 6) (toInterpValue ()) - | Read_RISCV_strong_acquire -> V_ctor (Id_aux (Id "Read_RISCV_strong_acquire") Unknown) (T_id "read_kind") (C_Enum 7) (toInterpValue ()) - | Read_RISCV_reserved -> V_ctor (Id_aux (Id "Read_RISCV_reserved") Unknown) (T_id "read_kind") (C_Enum 8) (toInterpValue ()) - | Read_RISCV_reserved_acquire -> V_ctor (Id_aux (Id "Read_RISCV_reserved_acquire") Unknown) (T_id "read_kind") (C_Enum 9) (toInterpValue ()) - | Read_RISCV_reserved_strong_acquire -> V_ctor (Id_aux (Id "Read_RISCV_reserved_strong_acquire") Unknown) (T_id "read_kind") (C_Enum 10) (toInterpValue ()) - | Read_X86_locked -> V_ctor (Id_aux (Id "Read_X86_locked") Unknown) (T_id "read_kind") (C_Enum 11) (toInterpValue ()) - end -let rec read_kindFromInterpValue v = match v with - | V_ctor (Id_aux (Id "Read_plain") _) _ _ v -> Read_plain - | V_ctor (Id_aux (Id "Read_reserve") _) _ _ v -> Read_reserve - | V_ctor (Id_aux (Id "Read_acquire") _) _ _ v -> Read_acquire - | V_ctor (Id_aux (Id "Read_exclusive") _) _ _ v -> Read_exclusive - | V_ctor (Id_aux (Id "Read_exclusive_acquire") _) _ _ v -> Read_exclusive_acquire - | V_ctor (Id_aux (Id "Read_stream") _) _ _ v -> Read_stream - | V_ctor (Id_aux (Id "Read_RISCV_acquire") _) _ _ v -> Read_RISCV_acquire - | V_ctor (Id_aux (Id "Read_RISCV_strong_acquire") _) _ _ v -> Read_RISCV_strong_acquire - | V_ctor (Id_aux (Id "Read_RISCV_reserved") _) _ _ v -> Read_RISCV_reserved - | V_ctor (Id_aux (Id "Read_RISCV_reserved_acquire") _) _ _ v -> Read_RISCV_reserved_acquire - | V_ctor (Id_aux (Id "Read_RISCV_reserved_strong_acquire") _) _ _ v -> Read_RISCV_reserved_strong_acquire - | V_ctor (Id_aux (Id "Read_X86_locked") _) _ _ v -> Read_X86_locked - | V_tuple [v] -> read_kindFromInterpValue v - | v -> failwith ("fromInterpValue read_kind: unexpected value. " ^ - Interp.debug_print_value v) - end -instance (ToFromInterpValue read_kind) - let toInterpValue = read_kindToInterpValue - let fromInterpValue = read_kindFromInterpValue -end - - -let write_kindToInterpValue = function - | Write_plain -> V_ctor (Id_aux (Id "Write_plain") Unknown) (T_id "write_kind") (C_Enum 0) (toInterpValue ()) - | Write_conditional -> V_ctor (Id_aux (Id "Write_conditional") Unknown) (T_id "write_kind") (C_Enum 1) (toInterpValue ()) - | Write_release -> V_ctor (Id_aux (Id "Write_release") Unknown) (T_id "write_kind") (C_Enum 2) (toInterpValue ()) - | Write_exclusive -> V_ctor (Id_aux (Id "Write_exclusive") Unknown) (T_id "write_kind") (C_Enum 3) (toInterpValue ()) - | Write_exclusive_release -> V_ctor (Id_aux (Id "Write_exclusive_release") Unknown) (T_id "write_kind") (C_Enum 4) (toInterpValue ()) - | Write_RISCV_release -> V_ctor (Id_aux (Id "Write_RISCV_release") Unknown) (T_id "write_kind") (C_Enum 5) (toInterpValue ()) - | Write_RISCV_strong_release -> V_ctor (Id_aux (Id "Write_RISCV_strong_release") Unknown) (T_id "write_kind") (C_Enum 6) (toInterpValue ()) - | Write_RISCV_conditional -> V_ctor (Id_aux (Id "Write_RISCV_conditional") Unknown) (T_id "write_kind") (C_Enum 7) (toInterpValue ()) - | Write_RISCV_conditional_release -> V_ctor (Id_aux (Id "Write_RISCV_conditional_release") Unknown) (T_id "write_kind") (C_Enum 8) (toInterpValue ()) - | Write_RISCV_conditional_strong_release -> V_ctor (Id_aux (Id "Write_RISCV_conditional_strong_release") Unknown) (T_id "write_kind") (C_Enum 9) (toInterpValue ()) - | Write_X86_locked -> V_ctor (Id_aux (Id "Write_X86_locked") Unknown) (T_id "write_kind") (C_Enum 10) (toInterpValue ()) - end -let rec write_kindFromInterpValue v = match v with - | V_ctor (Id_aux (Id "Write_plain") _) _ _ v -> Write_plain - | V_ctor (Id_aux (Id "Write_conditional") _) _ _ v -> Write_conditional - | V_ctor (Id_aux (Id "Write_release") _) _ _ v -> Write_release - | V_ctor (Id_aux (Id "Write_exclusive") _) _ _ v -> Write_exclusive - | V_ctor (Id_aux (Id "Write_exclusive_release") _) _ _ v -> Write_exclusive_release - | V_ctor (Id_aux (Id "Write_RISCV_release") _) _ _ v -> Write_RISCV_release - | V_ctor (Id_aux (Id "Write_RISCV_strong_release") _) _ _ v -> Write_RISCV_strong_release - | V_ctor (Id_aux (Id "Write_RISCV_conditional") _) _ _ v -> Write_RISCV_conditional - | V_ctor (Id_aux (Id "Write_RISCV_conditional_release") _) _ _ v -> Write_RISCV_conditional_release - | V_ctor (Id_aux (Id "Write_RISCV_conditional_strong_release") _) _ _ v -> Write_RISCV_conditional_strong_release - | V_ctor (Id_aux (Id "Write_X86_locked") _) _ _ v -> Write_X86_locked - | V_tuple [v] -> write_kindFromInterpValue v - | v -> failwith ("fromInterpValue write_kind: unexpected value " ^ - Interp.debug_print_value v) - end -instance (ToFromInterpValue write_kind) - let toInterpValue = write_kindToInterpValue - let fromInterpValue = write_kindFromInterpValue -end - - -let barrier_kindToInterpValue = function - | Barrier_Sync -> V_ctor (Id_aux (Id "Barrier_Sync") Unknown) (T_id "barrier_kind") (C_Enum 0) (toInterpValue ()) - | Barrier_LwSync -> V_ctor (Id_aux (Id "Barrier_LwSync") Unknown) (T_id "barrier_kind") (C_Enum 1) (toInterpValue ()) - | Barrier_Eieio -> V_ctor (Id_aux (Id "Barrier_Eieio") Unknown) (T_id "barrier_kind") (C_Enum 2) (toInterpValue ()) - | Barrier_Isync -> V_ctor (Id_aux (Id "Barrier_Isync") Unknown) (T_id "barrier_kind") (C_Enum 3) (toInterpValue ()) - | Barrier_DMB -> V_ctor (Id_aux (Id "Barrier_DMB") Unknown) (T_id "barrier_kind") (C_Enum 4) (toInterpValue ()) - | Barrier_DMB_ST -> V_ctor (Id_aux (Id "Barrier_DMB_ST") Unknown) (T_id "barrier_kind") (C_Enum 5) (toInterpValue ()) - | Barrier_DMB_LD -> V_ctor (Id_aux (Id "Barrier_DMB_LD") Unknown) (T_id "barrier_kind") (C_Enum 6) (toInterpValue ()) - | Barrier_DSB -> V_ctor (Id_aux (Id "Barrier_DSB") Unknown) (T_id "barrier_kind") (C_Enum 7) (toInterpValue ()) - | Barrier_DSB_ST -> V_ctor (Id_aux (Id "Barrier_DSB_ST") Unknown) (T_id "barrier_kind") (C_Enum 8) (toInterpValue ()) - | Barrier_DSB_LD -> V_ctor (Id_aux (Id "Barrier_DSB_LD") Unknown) (T_id "barrier_kind") (C_Enum 9) (toInterpValue ()) - | Barrier_ISB -> V_ctor (Id_aux (Id "Barrier_ISB") Unknown) (T_id "barrier_kind") (C_Enum 10) (toInterpValue ()) - | Barrier_TM_COMMIT -> V_ctor (Id_aux (Id "Barrier_TM_COMMIT") Unknown) (T_id "barrier_kind") (C_Enum 11) (toInterpValue ()) - | Barrier_MIPS_SYNC -> V_ctor (Id_aux (Id "Barrier_MIPS_SYNC") Unknown) (T_id "barrier_kind") (C_Enum 12) (toInterpValue ()) - | Barrier_RISCV_rw_rw -> V_ctor (Id_aux (Id "Barrier_RISCV_rw_rw") Unknown) (T_id "barrier_kind") (C_Enum 13) (toInterpValue ()) - | Barrier_RISCV_r_rw -> V_ctor (Id_aux (Id "Barrier_RISCV_r_rw") Unknown) (T_id "barrier_kind") (C_Enum 14) (toInterpValue ()) - | Barrier_RISCV_r_r -> V_ctor (Id_aux (Id "Barrier_RISCV_r_r") Unknown) (T_id "barrier_kind") (C_Enum 15) (toInterpValue ()) - | Barrier_RISCV_rw_w -> V_ctor (Id_aux (Id "Barrier_RISCV_rw_w") Unknown) (T_id "barrier_kind") (C_Enum 16) (toInterpValue ()) - | Barrier_RISCV_w_w -> V_ctor (Id_aux (Id "Barrier_RISCV_w_w") Unknown) (T_id "barrier_kind") (C_Enum 17) (toInterpValue ()) - | Barrier_RISCV_i -> V_ctor (Id_aux (Id "Barrier_RISCV_i") Unknown) (T_id "barrier_kind") (C_Enum 18) (toInterpValue ()) - | Barrier_x86_MFENCE -> V_ctor (Id_aux (Id "Barrier_x86_MFENCE") Unknown) (T_id "barrier_kind") (C_Enum 19) (toInterpValue ()) - end -let rec barrier_kindFromInterpValue v = match v with - | V_ctor (Id_aux (Id "Barrier_Sync") _) _ _ v -> Barrier_Sync - | V_ctor (Id_aux (Id "Barrier_LwSync") _) _ _ v -> Barrier_LwSync - | V_ctor (Id_aux (Id "Barrier_Eieio") _) _ _ v -> Barrier_Eieio - | V_ctor (Id_aux (Id "Barrier_Isync") _) _ _ v -> Barrier_Isync - | V_ctor (Id_aux (Id "Barrier_DMB") _) _ _ v -> Barrier_DMB - | V_ctor (Id_aux (Id "Barrier_DMB_ST") _) _ _ v -> Barrier_DMB_ST - | V_ctor (Id_aux (Id "Barrier_DMB_LD") _) _ _ v -> Barrier_DMB_LD - | V_ctor (Id_aux (Id "Barrier_DSB") _) _ _ v -> Barrier_DSB - | V_ctor (Id_aux (Id "Barrier_DSB_ST") _) _ _ v -> Barrier_DSB_ST - | V_ctor (Id_aux (Id "Barrier_DSB_LD") _) _ _ v -> Barrier_DSB_LD - | V_ctor (Id_aux (Id "Barrier_ISB") _) _ _ v -> Barrier_ISB - | V_ctor (Id_aux (Id "Barrier_TM_COMMIT") _) _ _ v -> Barrier_TM_COMMIT - | V_ctor (Id_aux (Id "Barrier_MIPS_SYNC") _) _ _ v -> Barrier_MIPS_SYNC - | V_ctor (Id_aux (Id "Barrier_RISCV_rw_rw") _) _ _ v -> Barrier_RISCV_rw_rw - | V_ctor (Id_aux (Id "Barrier_RISCV_r_rw") _) _ _ v -> Barrier_RISCV_r_rw - | V_ctor (Id_aux (Id "Barrier_RISCV_r_r") _) _ _ v -> Barrier_RISCV_r_r - | V_ctor (Id_aux (Id "Barrier_RISCV_rw_w") _) _ _ v -> Barrier_RISCV_rw_w - | V_ctor (Id_aux (Id "Barrier_RISCV_w_w") _) _ _ v -> Barrier_RISCV_w_w - | V_ctor (Id_aux (Id "Barrier_RISCV_i") _) _ _ v -> Barrier_RISCV_i - | V_ctor (Id_aux (Id "Barrier_x86_MFENCE") _) _ _ v -> Barrier_x86_MFENCE - | V_tuple [v] -> barrier_kindFromInterpValue v - | v -> failwith ("fromInterpValue barrier_kind: unexpected value. " ^ - Interp.debug_print_value v) - end -instance (ToFromInterpValue barrier_kind) - let toInterpValue = barrier_kindToInterpValue - let fromInterpValue = barrier_kindFromInterpValue -end - - -let trans_kindToInterpValue = function - | Transaction_start -> V_ctor (Id_aux (Id "Transaction_start") Unknown) (T_id "trans_kind") (C_Enum 0) (toInterpValue ()) - | Transaction_commit -> V_ctor (Id_aux (Id "Transaction_commit") Unknown) (T_id "trans_kind") (C_Enum 1) (toInterpValue ()) - | Transaction_abort -> V_ctor (Id_aux (Id "Transaction_abort") Unknown) (T_id "trans_kind") (C_Enum 2) (toInterpValue ()) - end -let rec trans_kindFromInterpValue v = match v with - | V_ctor (Id_aux (Id "Transaction_start") _) _ _ v -> Transaction_start - | V_ctor (Id_aux (Id "Transaction_commit") _) _ _ v -> Transaction_commit - | V_ctor (Id_aux (Id "Transaction_abort") _) _ _ v -> Transaction_abort - | V_tuple [v] -> trans_kindFromInterpValue v - | v -> failwith ("fromInterpValue trans_kind: unexpected value. " ^ - Interp.debug_print_value v) - end -instance (ToFromInterpValue trans_kind) - let toInterpValue = trans_kindToInterpValue - let fromInterpValue = trans_kindFromInterpValue -end - - -let instruction_kindToInterpValue = function - | IK_barrier v -> V_ctor (Id_aux (Id "IK_barrier") Unknown) (T_id "instruction_kind") C_Union (toInterpValue v) - | IK_mem_read v -> V_ctor (Id_aux (Id "IK_mem_read") Unknown) (T_id "instruction_kind") C_Union (toInterpValue v) - | IK_mem_write v -> V_ctor (Id_aux (Id "IK_mem_write") Unknown) (T_id "instruction_kind") C_Union (toInterpValue v) - | IK_mem_rmw v -> V_ctor (Id_aux (Id "IK_mem_rmw") Unknown) (T_id "instruction_kind") C_Union (toInterpValue v) - | IK_branch -> V_ctor (Id_aux (Id "IK_branch") Unknown) (T_id "instruction_kind") C_Union (toInterpValue ()) - | IK_trans v -> V_ctor (Id_aux (Id "IK_trans") Unknown) (T_id "instruction_kind") C_Union (toInterpValue v) - | IK_simple -> V_ctor (Id_aux (Id "IK_simple") Unknown) (T_id "instruction_kind") C_Union (toInterpValue ()) - end -let rec instruction_kindFromInterpValue v = match v with - | V_ctor (Id_aux (Id "IK_barrier") _) _ _ v -> IK_barrier (fromInterpValue v) - | V_ctor (Id_aux (Id "IK_mem_read") _) _ _ v -> IK_mem_read (fromInterpValue v) - | V_ctor (Id_aux (Id "IK_mem_write") _) _ _ v -> IK_mem_write (fromInterpValue v) - | V_ctor (Id_aux (Id "IK_mem_rmw") _) _ _ v -> IK_mem_rmw (fromInterpValue v) - | V_ctor (Id_aux (Id "IK_branch") _) _ _ v -> IK_branch - | V_ctor (Id_aux (Id "IK_trans") _) _ _ v -> IK_trans (fromInterpValue v) - | V_ctor (Id_aux (Id "IK_simple") _) _ _ v -> IK_simple - | V_tuple [v] -> instruction_kindFromInterpValue v - | v -> failwith ("fromInterpValue instruction_kind: unexpected value. " ^ - Interp.debug_print_value v) - end -instance (ToFromInterpValue instruction_kind) - let toInterpValue = instruction_kindToInterpValue - let fromInterpValue = instruction_kindFromInterpValue -end - -let regfpToInterpValue = function - | RFull v -> Interp_ast.V_ctor (Interp_ast.Id_aux (Interp_ast.Id "RFull") Interp_ast.Unknown) (Interp_ast.T_id "regfp") Interp_ast.C_Union (toInterpValue v) - | RSlice v -> Interp_ast.V_ctor (Interp_ast.Id_aux (Interp_ast.Id "RSlice") Interp_ast.Unknown) (Interp_ast.T_id "regfp") Interp_ast.C_Union (toInterpValue v) - | RSliceBit v -> Interp_ast.V_ctor (Interp_ast.Id_aux (Interp_ast.Id "RSliceBit") Interp_ast.Unknown) (Interp_ast.T_id "regfp") Interp_ast.C_Union (toInterpValue v) - | RField v -> Interp_ast.V_ctor (Interp_ast.Id_aux (Interp_ast.Id "RField") Interp_ast.Unknown) (Interp_ast.T_id "regfp") Interp_ast.C_Union (toInterpValue v) - end - -let rec regfpFromInterpValue v = match v with - | Interp_ast.V_ctor (Interp_ast.Id_aux (Interp_ast.Id "RFull") _) _ _ v -> RFull (fromInterpValue v) - | Interp_ast.V_ctor (Interp_ast.Id_aux (Interp_ast.Id "RSlice") _) _ _ v -> RSlice (fromInterpValue v) - | Interp_ast.V_ctor (Interp_ast.Id_aux (Interp_ast.Id "RSliceBit") _) _ _ v -> RSliceBit (fromInterpValue v) - | Interp_ast.V_ctor (Interp_ast.Id_aux (Interp_ast.Id "RField") _) _ _ v -> RField (fromInterpValue v) - | Interp_ast.V_tuple [v] -> regfpFromInterpValue v - | v -> failwith ("fromInterpValue regfp: unexpected value. " ^ Interp.debug_print_value v) - end - -instance (ToFromInterpValue regfp) - let toInterpValue = regfpToInterpValue - let fromInterpValue = regfpFromInterpValue -end - - - - diff --git a/src/gen_lib/prompt.lem b/src/gen_lib/prompt.lem deleted file mode 100644 index 830f2350..00000000 --- a/src/gen_lib/prompt.lem +++ /dev/null @@ -1,115 +0,0 @@ -open import Pervasives_extra -(*open import Sail_impl_base*) -open import Sail_values -open import Prompt_monad -open import {isabelle} `Prompt_monad_lemmas` - -val (>>=) : forall 'rv 'a 'b 'e. monad 'rv 'a 'e -> ('a -> monad 'rv 'b 'e) -> monad 'rv 'b 'e -declare isabelle target_rep function (>>=) = infix `\` -let inline ~{isabelle} (>>=) = bind - -val (>>) : forall 'rv 'b 'e. monad 'rv unit 'e -> monad 'rv 'b 'e -> monad 'rv 'b 'e -declare isabelle target_rep function (>>) = infix `\` -let inline ~{isabelle} (>>) m n = m >>= fun (_ : unit) -> n - -val iter_aux : forall 'rv 'a 'e. integer -> (integer -> 'a -> monad 'rv unit 'e) -> list 'a -> monad 'rv unit 'e -let rec iter_aux i f xs = match xs with - | x :: xs -> f i x >> iter_aux (i + 1) f xs - | [] -> return () - end - -declare {isabelle} termination_argument iter_aux = automatic - -val iteri : forall 'rv 'a 'e. (integer -> 'a -> monad 'rv unit 'e) -> list 'a -> monad 'rv unit 'e -let iteri f xs = iter_aux 0 f xs - -val iter : forall 'rv 'a 'e. ('a -> monad 'rv unit 'e) -> list 'a -> monad 'rv unit 'e -let iter f xs = iteri (fun _ x -> f x) xs - -val foreachM : forall 'a 'rv 'vars 'e. - list 'a -> 'vars -> ('a -> 'vars -> monad 'rv 'vars 'e) -> monad 'rv 'vars 'e -let rec foreachM l vars body = -match l with -| [] -> return vars -| (x :: xs) -> - body x vars >>= fun vars -> - foreachM xs vars body -end - -declare {isabelle} termination_argument foreachM = automatic - -val and_boolM : forall 'rv 'e. monad 'rv bool 'e -> monad 'rv bool 'e -> monad 'rv bool 'e -let and_boolM l r = l >>= (fun l -> if l then r else return false) - -val or_boolM : forall 'rv 'e. monad 'rv bool 'e -> monad 'rv bool 'e -> monad 'rv bool 'e -let or_boolM l r = l >>= (fun l -> if l then return true else r) - -val bool_of_bitU_fail : forall 'rv 'e. bitU -> monad 'rv bool 'e -let bool_of_bitU_fail = function - | B0 -> return false - | B1 -> return true - | BU -> Fail "bool_of_bitU" -end - -val bool_of_bitU_oracle : forall 'rv 'e. bitU -> monad 'rv bool 'e -let bool_of_bitU_oracle = function - | B0 -> return false - | B1 -> return true - | BU -> undefined_bool () -end - -val bools_of_bits_oracle : forall 'rv 'e. list bitU -> monad 'rv (list bool) 'e -let bools_of_bits_oracle bits = - foreachM bits [] - (fun b bools -> - bool_of_bitU_oracle b >>= (fun b -> - return (bools ++ [b]))) - -val of_bits_oracle : forall 'rv 'a 'e. Bitvector 'a => list bitU -> monad 'rv 'a 'e -let of_bits_oracle bits = - bools_of_bits_oracle bits >>= (fun bs -> - return (of_bools bs)) - -val of_bits_fail : forall 'rv 'a 'e. Bitvector 'a => list bitU -> monad 'rv 'a 'e -let of_bits_fail bits = maybe_fail "of_bits" (of_bits bits) - -val mword_oracle : forall 'rv 'a 'e. Size 'a => unit -> monad 'rv (mword 'a) 'e -let mword_oracle () = - bools_of_bits_oracle (repeat [BU] (integerFromNat size)) >>= (fun bs -> - return (wordFromBitlist bs)) - -val whileM : forall 'rv 'vars 'e. 'vars -> ('vars -> monad 'rv bool 'e) -> - ('vars -> monad 'rv 'vars 'e) -> monad 'rv 'vars 'e -let rec whileM vars cond body = - cond vars >>= fun cond_val -> - if cond_val then - body vars >>= fun vars -> whileM vars cond body - else return vars - -val untilM : forall 'rv 'vars 'e. 'vars -> ('vars -> monad 'rv bool 'e) -> - ('vars -> monad 'rv 'vars 'e) -> monad 'rv 'vars 'e -let rec untilM vars cond body = - body vars >>= fun vars -> - cond vars >>= fun cond_val -> - if cond_val then return vars else untilM vars cond body - -(*let write_two_regs r1 r2 vec = - let is_inc = - let is_inc_r1 = is_inc_of_reg r1 in - let is_inc_r2 = is_inc_of_reg r2 in - let () = ensure (is_inc_r1 = is_inc_r2) - "write_two_regs called with vectors of different direction" in - is_inc_r1 in - - let (size_r1 : integer) = size_of_reg r1 in - let (start_vec : integer) = get_start vec in - let size_vec = length vec in - let r1_v = - if is_inc - then slice vec start_vec (size_r1 - start_vec - 1) - else slice vec start_vec (start_vec - size_r1 - 1) in - let r2_v = - if is_inc - then slice vec (size_r1 - start_vec) (size_vec - start_vec) - else slice vec (start_vec - size_r1) (start_vec - size_vec) in - write_reg r1 r1_v >> write_reg r2 r2_v*) diff --git a/src/gen_lib/prompt_monad.lem b/src/gen_lib/prompt_monad.lem deleted file mode 100644 index 87c9af39..00000000 --- a/src/gen_lib/prompt_monad.lem +++ /dev/null @@ -1,221 +0,0 @@ -open import Pervasives_extra -(*open import Sail_impl_base*) -open import Sail_instr_kinds -open import Sail_values - -type register_name = string -type address = list bitU - -type monad 'regval 'a 'e = - | Done of 'a - (* Read a number of bytes from memory, returned in little endian order *) - | Read_mem of read_kind * address * nat * (list memory_byte -> monad 'regval 'a 'e) - (* Read the tag of a memory address *) - | Read_tag of address * (bitU -> monad 'regval 'a 'e) - (* Tell the system a write is imminent, at address lifted, of size nat *) - | Write_ea of write_kind * address * nat * monad 'regval 'a 'e - (* Request the result of store-exclusive *) - | Excl_res of (bool -> monad 'regval 'a 'e) - (* Request to write memory at last signalled address. Memory value should be 8 - times the size given in ea signal, given in little endian order *) - | Write_memv of list memory_byte * (bool -> monad 'regval 'a 'e) - (* Request to write the tag at given address. *) - | Write_tag of address * bitU * (bool -> monad 'regval 'a 'e) - (* Tell the system to dynamically recalculate dependency footprint *) - | Footprint of monad 'regval 'a 'e - (* Request a memory barrier *) - | Barrier of barrier_kind * monad 'regval 'a 'e - (* Request to read register, will track dependency when mode.track_values *) - | Read_reg of register_name * ('regval -> monad 'regval 'a 'e) - (* Request to write register *) - | Write_reg of register_name * 'regval * monad 'regval 'a 'e - | Undefined of (bool -> monad 'regval 'a 'e) - (* Print debugging or tracing information *) - | Print of string * monad 'regval 'a 'e - (*Result of a failed assert with possible error message to report*) - | Fail of string - (* Exception of type 'e *) - | Exception of 'e - -val return : forall 'rv 'a 'e. 'a -> monad 'rv 'a 'e -let return a = Done a - -val bind : forall 'rv 'a 'b 'e. monad 'rv 'a 'e -> ('a -> monad 'rv 'b 'e) -> monad 'rv 'b 'e -let rec bind m f = match m with - | Done a -> f a - | Read_mem rk a sz k -> Read_mem rk a sz (fun v -> bind (k v) f) - | Read_tag a k -> Read_tag a (fun v -> bind (k v) f) - | Write_memv descr k -> Write_memv descr (fun v -> bind (k v) f) - | Write_tag a t k -> Write_tag a t (fun v -> bind (k v) f) - | Read_reg descr k -> Read_reg descr (fun v -> bind (k v) f) - | Excl_res k -> Excl_res (fun v -> bind (k v) f) - | Undefined k -> Undefined (fun v -> bind (k v) f) - | Write_ea wk a sz k -> Write_ea wk a sz (bind k f) - | Footprint k -> Footprint (bind k f) - | Barrier bk k -> Barrier bk (bind k f) - | Write_reg r v k -> Write_reg r v (bind k f) - | Print msg k -> Print msg (bind k f) - | Fail descr -> Fail descr - | Exception e -> Exception e -end - -val exit : forall 'rv 'a 'e. unit -> monad 'rv 'a 'e -let exit () = Fail "exit" - -val undefined_bool : forall 'rv 'e. unit -> monad 'rv bool 'e -let undefined_bool () = Undefined return - -val assert_exp : forall 'rv 'e. bool -> string -> monad 'rv unit 'e -let assert_exp exp msg = if exp then Done () else Fail msg - -val throw : forall 'rv 'a 'e. 'e -> monad 'rv 'a 'e -let throw e = Exception e - -val try_catch : forall 'rv 'a 'e1 'e2. monad 'rv 'a 'e1 -> ('e1 -> monad 'rv 'a 'e2) -> monad 'rv 'a 'e2 -let rec try_catch m h = match m with - | Done a -> Done a - | Read_mem rk a sz k -> Read_mem rk a sz (fun v -> try_catch (k v) h) - | Read_tag a k -> Read_tag a (fun v -> try_catch (k v) h) - | Write_memv descr k -> Write_memv descr (fun v -> try_catch (k v) h) - | Write_tag a t k -> Write_tag a t (fun v -> try_catch (k v) h) - | Read_reg descr k -> Read_reg descr (fun v -> try_catch (k v) h) - | Excl_res k -> Excl_res (fun v -> try_catch (k v) h) - | Undefined k -> Undefined (fun v -> try_catch (k v) h) - | Write_ea wk a sz k -> Write_ea wk a sz (try_catch k h) - | Footprint k -> Footprint (try_catch k h) - | Barrier bk k -> Barrier bk (try_catch k h) - | Write_reg r v k -> Write_reg r v (try_catch k h) - | Print msg k -> Print msg (try_catch k h) - | Fail descr -> Fail descr - | Exception e -> h e -end - -(* For early return, we abuse exceptions by throwing and catching - the return value. The exception type is "either 'r 'e", where "Right e" - represents a proper exception and "Left r" an early return of value "r". *) -type monadR 'rv 'a 'r 'e = monad 'rv 'a (either 'r 'e) - -val early_return : forall 'rv 'a 'r 'e. 'r -> monadR 'rv 'a 'r 'e -let early_return r = throw (Left r) - -val catch_early_return : forall 'rv 'a 'e. monadR 'rv 'a 'a 'e -> monad 'rv 'a 'e -let catch_early_return m = - try_catch m - (function - | Left a -> return a - | Right e -> throw e - end) - -(* Lift to monad with early return by wrapping exceptions *) -val liftR : forall 'rv 'a 'r 'e. monad 'rv 'a 'e -> monadR 'rv 'a 'r 'e -let liftR m = try_catch m (fun e -> throw (Right e)) - -(* Catch exceptions in the presence of early returns *) -val try_catchR : forall 'rv 'a 'r 'e1 'e2. monadR 'rv 'a 'r 'e1 -> ('e1 -> monadR 'rv 'a 'r 'e2) -> monadR 'rv 'a 'r 'e2 -let try_catchR m h = - try_catch m - (function - | Left r -> throw (Left r) - | Right e -> h e - end) - -val maybe_fail : forall 'rv 'a 'e. string -> maybe 'a -> monad 'rv 'a 'e -let maybe_fail msg = function - | Just a -> return a - | Nothing -> Fail msg -end - -val read_mem_bytes : forall 'rv 'a 'b 'e. Bitvector 'a, Bitvector 'b => read_kind -> 'a -> integer -> monad 'rv (list memory_byte) 'e -let read_mem_bytes rk addr sz = - Read_mem rk (bits_of addr) (nat_of_int sz) return - -val read_mem : forall 'rv 'a 'b 'e. Bitvector 'a, Bitvector 'b => read_kind -> 'a -> integer -> monad 'rv 'b 'e -let read_mem rk addr sz = - bind - (read_mem_bytes rk addr sz) - (fun bytes -> - maybe_fail "bits_of_mem_bytes" (of_bits (bits_of_mem_bytes bytes))) - -val read_tag : forall 'rv 'a 'e. Bitvector 'a => 'a -> monad 'rv bitU 'e -let read_tag addr = Read_tag (bits_of addr) return - -val excl_result : forall 'rv 'e. unit -> monad 'rv bool 'e -let excl_result () = - let k successful = (return successful) in - Excl_res k - -val write_mem_ea : forall 'rv 'a 'e. Bitvector 'a => write_kind -> 'a -> integer -> monad 'rv unit 'e -let write_mem_ea wk addr sz = Write_ea wk (bits_of addr) (nat_of_int sz) (Done ()) - -val write_mem_val : forall 'rv 'a 'e. Bitvector 'a => 'a -> monad 'rv bool 'e -let write_mem_val v = match mem_bytes_of_bits v with - | Just v -> Write_memv v return - | Nothing -> Fail "write_mem_val" -end - -val write_tag : forall 'rv 'a 'e. Bitvector 'a => 'a -> bitU -> monad 'rv bool 'e -let write_tag addr b = Write_tag (bits_of addr) b return - -val read_reg : forall 's 'rv 'a 'e. register_ref 's 'rv 'a -> monad 'rv 'a 'e -let read_reg reg = - let k v = - match reg.of_regval v with - | Just v -> Done v - | Nothing -> Fail "read_reg: unrecognised value" - end - in - Read_reg reg.name k - -(* TODO -val read_reg_range : forall 's 'r 'rv 'a 'e. Bitvector 'a => register_ref 's 'rv 'r -> integer -> integer -> monad 'rv 'a 'e -let read_reg_range reg i j = - read_reg_aux of_bits (external_reg_slice reg (nat_of_int i,nat_of_int j)) - -let read_reg_bit reg i = - read_reg_aux (fun v -> v) (external_reg_slice reg (nat_of_int i,nat_of_int i)) >>= fun v -> - return (extract_only_element v) - -let read_reg_field reg regfield = - read_reg_aux (external_reg_field_whole reg regfield) - -let read_reg_bitfield reg regfield = - read_reg_aux (external_reg_field_whole reg regfield) >>= fun v -> - return (extract_only_element v)*) - -let reg_deref = read_reg - -val write_reg : forall 's 'rv 'a 'e. register_ref 's 'rv 'a -> 'a -> monad 'rv unit 'e -let write_reg reg v = Write_reg reg.name (reg.regval_of v) (Done ()) - -(* TODO -let write_reg reg v = - write_reg_aux (external_reg_whole reg) v -let write_reg_range reg i j v = - write_reg_aux (external_reg_slice reg (nat_of_int i,nat_of_int j)) v -let write_reg_pos reg i v = - let iN = nat_of_int i in - write_reg_aux (external_reg_slice reg (iN,iN)) [v] -let write_reg_bit = write_reg_pos -let write_reg_field reg regfield v = - write_reg_aux (external_reg_field_whole reg regfield.field_name) v -let write_reg_field_bit reg regfield bit = - write_reg_aux (external_reg_field_whole reg regfield.field_name) - (Vector [bit] 0 (is_inc_of_reg reg)) -let write_reg_field_range reg regfield i j v = - write_reg_aux (external_reg_field_slice reg regfield.field_name (nat_of_int i,nat_of_int j)) v -let write_reg_field_pos reg regfield i v = - write_reg_field_range reg regfield i i [v] -let write_reg_field_bit = write_reg_field_pos*) - -val barrier : forall 'rv 'e. barrier_kind -> monad 'rv unit 'e -let barrier bk = Barrier bk (Done ()) - -val footprint : forall 'rv 'e. unit -> monad 'rv unit 'e -let footprint _ = Footprint (Done ()) - -(* Define a type synonym that also takes the register state as a type parameter, - in order to make switching to the state monad without changing generated - definitions easier, see also lib/hol/prompt_monad.lem. *) - -type base_monad 'regval 'regstate 'a 'e = monad 'regval 'a 'e -type base_monadR 'regval 'regstate 'a 'r 'e = monadR 'regval 'a 'r 'e diff --git a/src/gen_lib/sail2_deep_shallow_convert.lem b/src/gen_lib/sail2_deep_shallow_convert.lem new file mode 100644 index 00000000..b963e537 --- /dev/null +++ b/src/gen_lib/sail2_deep_shallow_convert.lem @@ -0,0 +1,579 @@ +open import Pervasives_extra +open import Sail2_impl_base +open import Sail2_interp +open import Sail2_interp_ast +open import Sail2_values + + +class (ToFromInterpValue 'a) + val toInterpValue : 'a -> Interp_ast.value + val fromInterpValue : Interp_ast.value -> 'a +end + +let toInterValueBool = function + | true -> Interp_ast.V_lit (L_aux (L_one) Unknown) + | false -> Interp_ast.V_lit (L_aux (L_zero) Unknown) +end +let rec fromInterpValueBool v = match v with + | Interp_ast.V_lit (L_aux (L_one) _) -> true + | Interp_ast.V_lit (L_aux (L_true) _) -> true + | Interp_ast.V_lit (L_aux (L_zero) _) -> false + | Interp_ast.V_lit (L_aux (L_false) _) -> false + | Interp_ast.V_tuple [v] -> fromInterpValueBool v + | v -> failwith ("fromInterpValue bool: unexpected value. " ^ + Interp.debug_print_value v) +end +instance (ToFromInterpValue bool) + let toInterpValue = toInterValueBool + let fromInterpValue = fromInterpValueBool +end + + +let toInterpValueUnit () = Interp_ast.V_lit (L_aux (L_unit) Unknown) +let rec fromInterpValueUnit v = match v with + | Interp_ast.V_lit (L_aux (L_unit) _) -> () + | Interp_ast.V_tuple [v] -> fromInterpValueUnit v + | v -> failwith ("fromInterpValue unit: unexpected value. " ^ + Interp.debug_print_value v) +end +instance (ToFromInterpValue unit) + let toInterpValue = toInterpValueUnit + let fromInterpValue = fromInterpValueUnit +end + + +let toInterpValueInteger i = V_lit (L_aux (L_num i) Unknown) +let rec fromInterpValueInteger v = match v with + | Interp_ast.V_lit (L_aux (L_num i) _) -> i + | Interp_ast.V_tuple [v] -> fromInterpValueInteger v + | v -> failwith ("fromInterpValue integer: unexpected value. " ^ + Interp.debug_print_value v) +end +instance (ToFromInterpValue integer) + let toInterpValue = toInterpValueInteger + let fromInterpValue = fromInterpValueInteger +end + + +let toInterpValueString s = V_lit (L_aux (L_string s) Unknown) +let rec fromInterpValueString v = match v with + | Interp_ast.V_lit (L_aux (L_string s) _) -> s + | Interp_ast.V_tuple [v] -> fromInterpValueString v + | v -> failwith ("fromInterpValue integer: unexpected value. " ^ + Interp.debug_print_value v) +end +instance (ToFromInterpValue string) + let toInterpValue = toInterpValueString + let fromInterpValue = fromInterpValueString +end + + +let toInterpValueBitU = function + | B1 -> Interp_ast.V_lit (L_aux (L_one) Unknown) + | B0 -> Interp_ast.V_lit (L_aux (L_zero) Unknown) + | BU -> Interp_ast.V_lit (L_aux (L_undef) Unknown) +end +let rec fromInterpValueBitU v = match v with + | Interp_ast.V_lit (L_aux (L_one) _) -> B1 + | Interp_ast.V_lit (L_aux (L_zero) _) -> B0 + | Interp_ast.V_lit (L_aux (L_undef) _) -> BU + | Interp_ast.V_lit (L_aux (L_true) _) -> B1 + | Interp_ast.V_lit (L_aux (L_false) _) -> B0 + | Interp_ast.V_tuple [v] -> fromInterpValueBitU v + | v -> failwith ("fromInterpValue bitU: unexpected value. " ^ + Interp.debug_print_value v) +end +instance (ToFromInterpValue bitU) + let toInterpValue = toInterpValueBitU + let fromInterpValue = fromInterpValueBitU +end + + +let tuple2ToInterpValue (a,b) = + V_tuple [toInterpValue a;toInterpValue b] +let rec tuple2FromInterpValue v = match v with + | V_tuple [a;b] -> (fromInterpValue a,fromInterpValue b) + | V_tuple [v] -> tuple2FromInterpValue v + | v -> failwith ("fromInterpValue a*b: unexpected value. " ^ + Interp.debug_print_value v) + end +instance forall 'a 'b. ToFromInterpValue 'a, ToFromInterpValue 'b => (ToFromInterpValue ('a * 'b)) + let toInterpValue = tuple2ToInterpValue + let fromInterpValue = tuple2FromInterpValue +end + + +let tuple3ToInterpValue (a,b,c) = + V_tuple [toInterpValue a;toInterpValue b;toInterpValue c] +let rec tuple3FromInterpValue v = match v with + | V_tuple [a;b;c] -> (fromInterpValue a,fromInterpValue b,fromInterpValue c) + | V_tuple [v] -> tuple3FromInterpValue v + | v -> failwith ("fromInterpValue a*b*c: unexpected value. " ^ + Interp.debug_print_value v) + end +instance forall 'a 'b 'c. ToFromInterpValue 'a, ToFromInterpValue 'b, ToFromInterpValue 'c => + (ToFromInterpValue ('a * 'b * 'c)) + let toInterpValue = tuple3ToInterpValue + let fromInterpValue = tuple3FromInterpValue +end + + +let tuple4ToInterpValue (a,b,c,d) = + V_tuple [toInterpValue a;toInterpValue b;toInterpValue c;toInterpValue d] +let rec tuple4FromInterpValue v = match v with + | V_tuple [a;b;c;d] -> (fromInterpValue a,fromInterpValue b, + fromInterpValue c,fromInterpValue d) + | V_tuple [v] -> tuple4FromInterpValue v + | v -> failwith ("fromInterpValue a*b*c*d: unexpected value. " ^ + Interp.debug_print_value v) + end +instance forall 'a 'b 'c 'd. ToFromInterpValue 'a, ToFromInterpValue 'b, + ToFromInterpValue 'c, ToFromInterpValue 'd => + (ToFromInterpValue ('a * 'b * 'c * 'd)) + let toInterpValue = tuple4ToInterpValue + let fromInterpValue = tuple4FromInterpValue +end + + +let tuple5ToInterpValue (a,b,c,d,e) = + V_tuple [toInterpValue a;toInterpValue b;toInterpValue c;toInterpValue d;toInterpValue e] +let rec tuple5FromInterpValue v = match v with + | V_tuple [a;b;c;d;e] -> + (fromInterpValue a,fromInterpValue b,fromInterpValue c, + fromInterpValue d,fromInterpValue e) + | V_tuple [v] -> tuple5FromInterpValue v + | v -> failwith ("fromInterpValue a*b*c*d*e: unexpected value. " ^ + Interp.debug_print_value v) + end +instance forall 'a 'b 'c 'd 'e. + ToFromInterpValue 'a, ToFromInterpValue 'b, + ToFromInterpValue 'c, ToFromInterpValue 'd, + ToFromInterpValue 'e => + (ToFromInterpValue ('a * 'b * 'c * 'd * 'e)) + let toInterpValue = tuple5ToInterpValue + let fromInterpValue = tuple5FromInterpValue +end + + +let tuple6ToInterpValue (a,b,c,d,e,f) = + V_tuple [toInterpValue a;toInterpValue b;toInterpValue c;toInterpValue d; + toInterpValue e;toInterpValue f] +let rec tuple6FromInterpValue v = match v with + | V_tuple [a;b;c;d;e;f] -> + (fromInterpValue a,fromInterpValue b,fromInterpValue c, + fromInterpValue d,fromInterpValue e,fromInterpValue f) + | V_tuple [v] -> tuple6FromInterpValue v + | v -> failwith ("fromInterpValue a*b*c*d*e*f: unexpected value. " ^ + Interp.debug_print_value v) + end +instance forall 'a 'b 'c 'd 'e 'f. + ToFromInterpValue 'a, ToFromInterpValue 'b, + ToFromInterpValue 'c, ToFromInterpValue 'd, + ToFromInterpValue 'e, ToFromInterpValue 'f => + (ToFromInterpValue ('a * 'b * 'c * 'd * 'e * 'f)) + let toInterpValue = tuple6ToInterpValue + let fromInterpValue = tuple6FromInterpValue +end + + +let tuple7ToInterpValue (a,b,c,d,e,f,g) = + V_tuple [toInterpValue a;toInterpValue b;toInterpValue c;toInterpValue d; + toInterpValue e;toInterpValue f;toInterpValue g] +let rec tuple7FromInterpValue v = match v with + | V_tuple [a;b;c;d;e;f;g] -> + (fromInterpValue a,fromInterpValue b,fromInterpValue c, + fromInterpValue d,fromInterpValue e,fromInterpValue f, + fromInterpValue g) + | V_tuple [v] -> tuple7FromInterpValue v + | v -> failwith ("fromInterpValue a*b*c*d*e*f*g: unexpected value. " ^ + Interp.debug_print_value v) + end +instance forall 'a 'b 'c 'd 'e 'f 'g. + ToFromInterpValue 'a, ToFromInterpValue 'b, + ToFromInterpValue 'c, ToFromInterpValue 'd, + ToFromInterpValue 'e, ToFromInterpValue 'f, + ToFromInterpValue 'g => + (ToFromInterpValue ('a * 'b * 'c * 'd * 'e * 'f * 'g)) + let toInterpValue = tuple7ToInterpValue + let fromInterpValue = tuple7FromInterpValue +end + + +let tuple8ToInterpValue (a,b,c,d,e,f,g,h) = + V_tuple [toInterpValue a;toInterpValue b;toInterpValue c;toInterpValue d; + toInterpValue e;toInterpValue f;toInterpValue g;toInterpValue h] +let rec tuple8FromInterpValue v = match v with + | V_tuple [a;b;c;d;e;f;g;h] -> + (fromInterpValue a,fromInterpValue b,fromInterpValue c, + fromInterpValue d,fromInterpValue e,fromInterpValue f, + fromInterpValue g,fromInterpValue h) + | V_tuple [v] -> tuple8FromInterpValue v + | v -> failwith ("fromInterpValue a*b*c*d*e*f*g*h: unexpected value. " ^ + Interp.debug_print_value v) + end +instance forall 'a 'b 'c 'd 'e 'f 'g 'h. + ToFromInterpValue 'a, ToFromInterpValue 'b, + ToFromInterpValue 'c, ToFromInterpValue 'd, + ToFromInterpValue 'e, ToFromInterpValue 'f, + ToFromInterpValue 'g, ToFromInterpValue 'h => + (ToFromInterpValue ('a * 'b * 'c * 'd * 'e * 'f * 'g * 'h)) + let toInterpValue = tuple8ToInterpValue + let fromInterpValue = tuple8FromInterpValue +end + + +let tuple9ToInterpValue (a,b,c,d,e,f,g,h,i) = + V_tuple [toInterpValue a;toInterpValue b;toInterpValue c;toInterpValue d; + toInterpValue e;toInterpValue f;toInterpValue g;toInterpValue h; + toInterpValue i] +let rec tuple9FromInterpValue v = match v with + | V_tuple [a;b;c;d;e;f;g;h;i] -> + (fromInterpValue a,fromInterpValue b,fromInterpValue c, + fromInterpValue d,fromInterpValue e,fromInterpValue f, + fromInterpValue g,fromInterpValue h,fromInterpValue i) + | V_tuple [v] -> tuple9FromInterpValue v + | v -> failwith ("fromInterpValue a*b*c*d*e*f*g*h*i: unexpected value. " ^ + Interp.debug_print_value v) + end +instance forall 'a 'b 'c 'd 'e 'f 'g 'h 'i. + ToFromInterpValue 'a, ToFromInterpValue 'b, + ToFromInterpValue 'c, ToFromInterpValue 'd, + ToFromInterpValue 'e, ToFromInterpValue 'f, + ToFromInterpValue 'g, ToFromInterpValue 'h, + ToFromInterpValue 'i => + (ToFromInterpValue ('a * 'b * 'c * 'd * 'e * 'f * 'g * 'h * 'i)) + let toInterpValue = tuple9ToInterpValue + let fromInterpValue = tuple9FromInterpValue +end + + +let tuple10ToInterpValue (a,b,c,d,e,f,g,h,i,j) = + V_tuple [toInterpValue a;toInterpValue b;toInterpValue c;toInterpValue d; + toInterpValue e;toInterpValue f;toInterpValue g;toInterpValue h; + toInterpValue i;toInterpValue j;] +let rec tuple10FromInterpValue v = match v with + | V_tuple [a;b;c;d;e;f;g;h;i;j] -> + (fromInterpValue a,fromInterpValue b,fromInterpValue c, + fromInterpValue d,fromInterpValue e,fromInterpValue f, + fromInterpValue g,fromInterpValue h,fromInterpValue i, + fromInterpValue j) + | V_tuple [v] -> tuple10FromInterpValue v + | v -> failwith ("fromInterpValue a*b*c*d*e*f*g*h*i*j: unexpected value. " ^ + Interp.debug_print_value v) + end +instance forall 'a 'b 'c 'd 'e 'f 'g 'h 'i 'j. + ToFromInterpValue 'a, ToFromInterpValue 'b, + ToFromInterpValue 'c, ToFromInterpValue 'd, + ToFromInterpValue 'e, ToFromInterpValue 'f, + ToFromInterpValue 'g, ToFromInterpValue 'h, + ToFromInterpValue 'i, ToFromInterpValue 'j => + (ToFromInterpValue ('a * 'b * 'c * 'd * 'e * 'f * 'g * 'h * 'i * 'j)) + let toInterpValue = tuple10ToInterpValue + let fromInterpValue = tuple10FromInterpValue +end + + +let tuple11ToInterpValue (a,b,c,d,e,f,g,h,i,j,k) = + V_tuple [toInterpValue a;toInterpValue b;toInterpValue c;toInterpValue d; + toInterpValue e;toInterpValue f;toInterpValue g;toInterpValue h; + toInterpValue i;toInterpValue j;toInterpValue k;] +let rec tuple11FromInterpValue v = match v with + | V_tuple [a;b;c;d;e;f;g;h;i;j;k] -> + (fromInterpValue a,fromInterpValue b,fromInterpValue c, + fromInterpValue d,fromInterpValue e,fromInterpValue f, + fromInterpValue g,fromInterpValue h,fromInterpValue i, + fromInterpValue j,fromInterpValue k) + | V_tuple [v] -> tuple11FromInterpValue v + | v -> failwith ("fromInterpValue a*b*c*d*e*f*g*h*i*j*k: unexpected value. " ^ + Interp.debug_print_value v) + end +instance forall 'a 'b 'c 'd 'e 'f 'g 'h 'i 'j 'k. + ToFromInterpValue 'a, ToFromInterpValue 'b, + ToFromInterpValue 'c, ToFromInterpValue 'd, + ToFromInterpValue 'e, ToFromInterpValue 'f, + ToFromInterpValue 'g, ToFromInterpValue 'h, + ToFromInterpValue 'i, ToFromInterpValue 'j, + ToFromInterpValue 'k => + (ToFromInterpValue ('a * 'b * 'c * 'd * 'e * 'f * 'g * 'h * 'i * 'j * 'k)) + let toInterpValue = tuple11ToInterpValue + let fromInterpValue = tuple11FromInterpValue +end + + +let tuple12ToInterpValue (a,b,c,d,e,f,g,h,i,j,k,l) = + V_tuple [toInterpValue a;toInterpValue b;toInterpValue c;toInterpValue d; + toInterpValue e;toInterpValue f;toInterpValue g;toInterpValue h; + toInterpValue i;toInterpValue j;toInterpValue k;toInterpValue l;] +let rec tuple12FromInterpValue v = match v with + | V_tuple [a;b;c;d;e;f;g;h;i;j;k;l] -> + (fromInterpValue a,fromInterpValue b,fromInterpValue c, + fromInterpValue d,fromInterpValue e,fromInterpValue f, + fromInterpValue g,fromInterpValue h,fromInterpValue i, + fromInterpValue j,fromInterpValue k,fromInterpValue l) + | V_tuple [v] -> tuple12FromInterpValue v + | v -> failwith ("fromInterpValue a*b*c*d*e*f*g*h*i*j*k*l: unexpected value. " ^ + Interp.debug_print_value v) + end +instance forall 'a 'b 'c 'd 'e 'f 'g 'h 'i 'j 'k 'l. + ToFromInterpValue 'a, ToFromInterpValue 'b, + ToFromInterpValue 'c, ToFromInterpValue 'd, + ToFromInterpValue 'e, ToFromInterpValue 'f, + ToFromInterpValue 'g, ToFromInterpValue 'h, + ToFromInterpValue 'i, ToFromInterpValue 'j, + ToFromInterpValue 'k, ToFromInterpValue 'l => + (ToFromInterpValue ('a * 'b * 'c * 'd * 'e * 'f * 'g * 'h * 'i * 'j * 'k * 'l)) + let toInterpValue = tuple12ToInterpValue + let fromInterpValue = tuple12FromInterpValue +end + + +let listToInterpValue l = V_list (List.map toInterpValue l) +let rec listFromInterpValue v = match v with + | V_list l -> List.map fromInterpValue l + | V_tuple [v] -> listFromInterpValue v + | v -> failwith ("fromInterpValue list 'a: unexpected value. " ^ + Interp.debug_print_value v) + end +instance forall 'a. ToFromInterpValue 'a => (ToFromInterpValue (list 'a)) + let toInterpValue = listToInterpValue + let fromInterpValue = listFromInterpValue +end + + +let vectorToInterpValue (Vector vs start direction) = + V_vector (natFromInteger start) (if direction then IInc else IDec) (List.map toInterpValue vs) +let rec vectorFromInterpValue v = match v with + | V_vector start direction vs -> + Vector (List.map fromInterpValue vs) (integerFromNat start) + (match direction with | IInc -> true | IDec -> false end) + | V_vector_sparse start length direction valuemap defaultval -> + make_indexed_vector + (List.map (fun (i,v) -> (integerFromNat i,fromInterpValue v)) valuemap) + (fromInterpValue defaultval) + (integerFromNat start) (integerFromNat length) + (match direction with | IInc -> true | IDec -> false end) + | V_tuple [v] -> vectorFromInterpValue v + | v -> failwith ("fromInterpValue vector 'a: unexpected value. " ^ + Interp.debug_print_value v) + end +instance forall 'a. ToFromInterpValue 'a => (ToFromInterpValue (vector 'a)) + let toInterpValue = vectorToInterpValue + let fromInterpValue = vectorFromInterpValue +end + +(* Here the type information is not accurate: instead of T_id "option" it should + be T_app (T_id "option") (...), but temporarily we'll do it like this. The + same thing has to be fixed in pretty_print.ml when we're generating the + type-class instances. *) +let maybeToInterpValue = function + | Nothing -> V_ctor (Id_aux (Id "None") Unknown) (T_id "option") C_Union (V_lit (L_aux L_unit Unknown)) + | Just a -> V_ctor (Id_aux (Id "Some") Unknown) (T_id "option") C_Union (toInterpValue a) + end +let rec maybeFromInterpValue v = match v with + | V_ctor (Id_aux (Id "None") _) _ _ _ -> Nothing + | V_ctor (Id_aux (Id "Some") _) _ _ v -> Just (fromInterpValue v) + | V_tuple [v] -> maybeFromInterpValue v + | v -> failwith ("fromInterpValue maybe 'a: unexpected value. " ^ + Interp.debug_print_value v) + end + +instance forall 'a. ToFromInterpValue 'a => (ToFromInterpValue (maybe 'a)) + let toInterpValue = maybeToInterpValue + let fromInterpValue = maybeFromInterpValue +end + + +let read_kindToInterpValue = function + | Read_plain -> V_ctor (Id_aux (Id "Read_plain") Unknown) (T_id "read_kind") (C_Enum 0) (toInterpValue ()) + | Read_reserve -> V_ctor (Id_aux (Id "Read_reserve") Unknown) (T_id "read_kind") (C_Enum 1) (toInterpValue ()) + | Read_acquire -> V_ctor (Id_aux (Id "Read_acquire") Unknown) (T_id "read_kind") (C_Enum 2) (toInterpValue ()) + | Read_exclusive -> V_ctor (Id_aux (Id "Read_exclusive") Unknown) (T_id "read_kind") (C_Enum 3) (toInterpValue ()) + | Read_exclusive_acquire -> V_ctor (Id_aux (Id "Read_exclusive_acquire") Unknown) (T_id "read_kind") (C_Enum 4) (toInterpValue ()) + | Read_stream -> V_ctor (Id_aux (Id "Read_stream") Unknown) (T_id "read_kind") (C_Enum 5) (toInterpValue ()) + | Read_RISCV_acquire -> V_ctor (Id_aux (Id "Read_RISCV_acquire") Unknown) (T_id "read_kind") (C_Enum 6) (toInterpValue ()) + | Read_RISCV_strong_acquire -> V_ctor (Id_aux (Id "Read_RISCV_strong_acquire") Unknown) (T_id "read_kind") (C_Enum 7) (toInterpValue ()) + | Read_RISCV_reserved -> V_ctor (Id_aux (Id "Read_RISCV_reserved") Unknown) (T_id "read_kind") (C_Enum 8) (toInterpValue ()) + | Read_RISCV_reserved_acquire -> V_ctor (Id_aux (Id "Read_RISCV_reserved_acquire") Unknown) (T_id "read_kind") (C_Enum 9) (toInterpValue ()) + | Read_RISCV_reserved_strong_acquire -> V_ctor (Id_aux (Id "Read_RISCV_reserved_strong_acquire") Unknown) (T_id "read_kind") (C_Enum 10) (toInterpValue ()) + | Read_X86_locked -> V_ctor (Id_aux (Id "Read_X86_locked") Unknown) (T_id "read_kind") (C_Enum 11) (toInterpValue ()) + end +let rec read_kindFromInterpValue v = match v with + | V_ctor (Id_aux (Id "Read_plain") _) _ _ v -> Read_plain + | V_ctor (Id_aux (Id "Read_reserve") _) _ _ v -> Read_reserve + | V_ctor (Id_aux (Id "Read_acquire") _) _ _ v -> Read_acquire + | V_ctor (Id_aux (Id "Read_exclusive") _) _ _ v -> Read_exclusive + | V_ctor (Id_aux (Id "Read_exclusive_acquire") _) _ _ v -> Read_exclusive_acquire + | V_ctor (Id_aux (Id "Read_stream") _) _ _ v -> Read_stream + | V_ctor (Id_aux (Id "Read_RISCV_acquire") _) _ _ v -> Read_RISCV_acquire + | V_ctor (Id_aux (Id "Read_RISCV_strong_acquire") _) _ _ v -> Read_RISCV_strong_acquire + | V_ctor (Id_aux (Id "Read_RISCV_reserved") _) _ _ v -> Read_RISCV_reserved + | V_ctor (Id_aux (Id "Read_RISCV_reserved_acquire") _) _ _ v -> Read_RISCV_reserved_acquire + | V_ctor (Id_aux (Id "Read_RISCV_reserved_strong_acquire") _) _ _ v -> Read_RISCV_reserved_strong_acquire + | V_ctor (Id_aux (Id "Read_X86_locked") _) _ _ v -> Read_X86_locked + | V_tuple [v] -> read_kindFromInterpValue v + | v -> failwith ("fromInterpValue read_kind: unexpected value. " ^ + Interp.debug_print_value v) + end +instance (ToFromInterpValue read_kind) + let toInterpValue = read_kindToInterpValue + let fromInterpValue = read_kindFromInterpValue +end + + +let write_kindToInterpValue = function + | Write_plain -> V_ctor (Id_aux (Id "Write_plain") Unknown) (T_id "write_kind") (C_Enum 0) (toInterpValue ()) + | Write_conditional -> V_ctor (Id_aux (Id "Write_conditional") Unknown) (T_id "write_kind") (C_Enum 1) (toInterpValue ()) + | Write_release -> V_ctor (Id_aux (Id "Write_release") Unknown) (T_id "write_kind") (C_Enum 2) (toInterpValue ()) + | Write_exclusive -> V_ctor (Id_aux (Id "Write_exclusive") Unknown) (T_id "write_kind") (C_Enum 3) (toInterpValue ()) + | Write_exclusive_release -> V_ctor (Id_aux (Id "Write_exclusive_release") Unknown) (T_id "write_kind") (C_Enum 4) (toInterpValue ()) + | Write_RISCV_release -> V_ctor (Id_aux (Id "Write_RISCV_release") Unknown) (T_id "write_kind") (C_Enum 5) (toInterpValue ()) + | Write_RISCV_strong_release -> V_ctor (Id_aux (Id "Write_RISCV_strong_release") Unknown) (T_id "write_kind") (C_Enum 6) (toInterpValue ()) + | Write_RISCV_conditional -> V_ctor (Id_aux (Id "Write_RISCV_conditional") Unknown) (T_id "write_kind") (C_Enum 7) (toInterpValue ()) + | Write_RISCV_conditional_release -> V_ctor (Id_aux (Id "Write_RISCV_conditional_release") Unknown) (T_id "write_kind") (C_Enum 8) (toInterpValue ()) + | Write_RISCV_conditional_strong_release -> V_ctor (Id_aux (Id "Write_RISCV_conditional_strong_release") Unknown) (T_id "write_kind") (C_Enum 9) (toInterpValue ()) + | Write_X86_locked -> V_ctor (Id_aux (Id "Write_X86_locked") Unknown) (T_id "write_kind") (C_Enum 10) (toInterpValue ()) + end +let rec write_kindFromInterpValue v = match v with + | V_ctor (Id_aux (Id "Write_plain") _) _ _ v -> Write_plain + | V_ctor (Id_aux (Id "Write_conditional") _) _ _ v -> Write_conditional + | V_ctor (Id_aux (Id "Write_release") _) _ _ v -> Write_release + | V_ctor (Id_aux (Id "Write_exclusive") _) _ _ v -> Write_exclusive + | V_ctor (Id_aux (Id "Write_exclusive_release") _) _ _ v -> Write_exclusive_release + | V_ctor (Id_aux (Id "Write_RISCV_release") _) _ _ v -> Write_RISCV_release + | V_ctor (Id_aux (Id "Write_RISCV_strong_release") _) _ _ v -> Write_RISCV_strong_release + | V_ctor (Id_aux (Id "Write_RISCV_conditional") _) _ _ v -> Write_RISCV_conditional + | V_ctor (Id_aux (Id "Write_RISCV_conditional_release") _) _ _ v -> Write_RISCV_conditional_release + | V_ctor (Id_aux (Id "Write_RISCV_conditional_strong_release") _) _ _ v -> Write_RISCV_conditional_strong_release + | V_ctor (Id_aux (Id "Write_X86_locked") _) _ _ v -> Write_X86_locked + | V_tuple [v] -> write_kindFromInterpValue v + | v -> failwith ("fromInterpValue write_kind: unexpected value " ^ + Interp.debug_print_value v) + end +instance (ToFromInterpValue write_kind) + let toInterpValue = write_kindToInterpValue + let fromInterpValue = write_kindFromInterpValue +end + + +let barrier_kindToInterpValue = function + | Barrier_Sync -> V_ctor (Id_aux (Id "Barrier_Sync") Unknown) (T_id "barrier_kind") (C_Enum 0) (toInterpValue ()) + | Barrier_LwSync -> V_ctor (Id_aux (Id "Barrier_LwSync") Unknown) (T_id "barrier_kind") (C_Enum 1) (toInterpValue ()) + | Barrier_Eieio -> V_ctor (Id_aux (Id "Barrier_Eieio") Unknown) (T_id "barrier_kind") (C_Enum 2) (toInterpValue ()) + | Barrier_Isync -> V_ctor (Id_aux (Id "Barrier_Isync") Unknown) (T_id "barrier_kind") (C_Enum 3) (toInterpValue ()) + | Barrier_DMB -> V_ctor (Id_aux (Id "Barrier_DMB") Unknown) (T_id "barrier_kind") (C_Enum 4) (toInterpValue ()) + | Barrier_DMB_ST -> V_ctor (Id_aux (Id "Barrier_DMB_ST") Unknown) (T_id "barrier_kind") (C_Enum 5) (toInterpValue ()) + | Barrier_DMB_LD -> V_ctor (Id_aux (Id "Barrier_DMB_LD") Unknown) (T_id "barrier_kind") (C_Enum 6) (toInterpValue ()) + | Barrier_DSB -> V_ctor (Id_aux (Id "Barrier_DSB") Unknown) (T_id "barrier_kind") (C_Enum 7) (toInterpValue ()) + | Barrier_DSB_ST -> V_ctor (Id_aux (Id "Barrier_DSB_ST") Unknown) (T_id "barrier_kind") (C_Enum 8) (toInterpValue ()) + | Barrier_DSB_LD -> V_ctor (Id_aux (Id "Barrier_DSB_LD") Unknown) (T_id "barrier_kind") (C_Enum 9) (toInterpValue ()) + | Barrier_ISB -> V_ctor (Id_aux (Id "Barrier_ISB") Unknown) (T_id "barrier_kind") (C_Enum 10) (toInterpValue ()) + | Barrier_TM_COMMIT -> V_ctor (Id_aux (Id "Barrier_TM_COMMIT") Unknown) (T_id "barrier_kind") (C_Enum 11) (toInterpValue ()) + | Barrier_MIPS_SYNC -> V_ctor (Id_aux (Id "Barrier_MIPS_SYNC") Unknown) (T_id "barrier_kind") (C_Enum 12) (toInterpValue ()) + | Barrier_RISCV_rw_rw -> V_ctor (Id_aux (Id "Barrier_RISCV_rw_rw") Unknown) (T_id "barrier_kind") (C_Enum 13) (toInterpValue ()) + | Barrier_RISCV_r_rw -> V_ctor (Id_aux (Id "Barrier_RISCV_r_rw") Unknown) (T_id "barrier_kind") (C_Enum 14) (toInterpValue ()) + | Barrier_RISCV_r_r -> V_ctor (Id_aux (Id "Barrier_RISCV_r_r") Unknown) (T_id "barrier_kind") (C_Enum 15) (toInterpValue ()) + | Barrier_RISCV_rw_w -> V_ctor (Id_aux (Id "Barrier_RISCV_rw_w") Unknown) (T_id "barrier_kind") (C_Enum 16) (toInterpValue ()) + | Barrier_RISCV_w_w -> V_ctor (Id_aux (Id "Barrier_RISCV_w_w") Unknown) (T_id "barrier_kind") (C_Enum 17) (toInterpValue ()) + | Barrier_RISCV_i -> V_ctor (Id_aux (Id "Barrier_RISCV_i") Unknown) (T_id "barrier_kind") (C_Enum 18) (toInterpValue ()) + | Barrier_x86_MFENCE -> V_ctor (Id_aux (Id "Barrier_x86_MFENCE") Unknown) (T_id "barrier_kind") (C_Enum 19) (toInterpValue ()) + end +let rec barrier_kindFromInterpValue v = match v with + | V_ctor (Id_aux (Id "Barrier_Sync") _) _ _ v -> Barrier_Sync + | V_ctor (Id_aux (Id "Barrier_LwSync") _) _ _ v -> Barrier_LwSync + | V_ctor (Id_aux (Id "Barrier_Eieio") _) _ _ v -> Barrier_Eieio + | V_ctor (Id_aux (Id "Barrier_Isync") _) _ _ v -> Barrier_Isync + | V_ctor (Id_aux (Id "Barrier_DMB") _) _ _ v -> Barrier_DMB + | V_ctor (Id_aux (Id "Barrier_DMB_ST") _) _ _ v -> Barrier_DMB_ST + | V_ctor (Id_aux (Id "Barrier_DMB_LD") _) _ _ v -> Barrier_DMB_LD + | V_ctor (Id_aux (Id "Barrier_DSB") _) _ _ v -> Barrier_DSB + | V_ctor (Id_aux (Id "Barrier_DSB_ST") _) _ _ v -> Barrier_DSB_ST + | V_ctor (Id_aux (Id "Barrier_DSB_LD") _) _ _ v -> Barrier_DSB_LD + | V_ctor (Id_aux (Id "Barrier_ISB") _) _ _ v -> Barrier_ISB + | V_ctor (Id_aux (Id "Barrier_TM_COMMIT") _) _ _ v -> Barrier_TM_COMMIT + | V_ctor (Id_aux (Id "Barrier_MIPS_SYNC") _) _ _ v -> Barrier_MIPS_SYNC + | V_ctor (Id_aux (Id "Barrier_RISCV_rw_rw") _) _ _ v -> Barrier_RISCV_rw_rw + | V_ctor (Id_aux (Id "Barrier_RISCV_r_rw") _) _ _ v -> Barrier_RISCV_r_rw + | V_ctor (Id_aux (Id "Barrier_RISCV_r_r") _) _ _ v -> Barrier_RISCV_r_r + | V_ctor (Id_aux (Id "Barrier_RISCV_rw_w") _) _ _ v -> Barrier_RISCV_rw_w + | V_ctor (Id_aux (Id "Barrier_RISCV_w_w") _) _ _ v -> Barrier_RISCV_w_w + | V_ctor (Id_aux (Id "Barrier_RISCV_i") _) _ _ v -> Barrier_RISCV_i + | V_ctor (Id_aux (Id "Barrier_x86_MFENCE") _) _ _ v -> Barrier_x86_MFENCE + | V_tuple [v] -> barrier_kindFromInterpValue v + | v -> failwith ("fromInterpValue barrier_kind: unexpected value. " ^ + Interp.debug_print_value v) + end +instance (ToFromInterpValue barrier_kind) + let toInterpValue = barrier_kindToInterpValue + let fromInterpValue = barrier_kindFromInterpValue +end + + +let trans_kindToInterpValue = function + | Transaction_start -> V_ctor (Id_aux (Id "Transaction_start") Unknown) (T_id "trans_kind") (C_Enum 0) (toInterpValue ()) + | Transaction_commit -> V_ctor (Id_aux (Id "Transaction_commit") Unknown) (T_id "trans_kind") (C_Enum 1) (toInterpValue ()) + | Transaction_abort -> V_ctor (Id_aux (Id "Transaction_abort") Unknown) (T_id "trans_kind") (C_Enum 2) (toInterpValue ()) + end +let rec trans_kindFromInterpValue v = match v with + | V_ctor (Id_aux (Id "Transaction_start") _) _ _ v -> Transaction_start + | V_ctor (Id_aux (Id "Transaction_commit") _) _ _ v -> Transaction_commit + | V_ctor (Id_aux (Id "Transaction_abort") _) _ _ v -> Transaction_abort + | V_tuple [v] -> trans_kindFromInterpValue v + | v -> failwith ("fromInterpValue trans_kind: unexpected value. " ^ + Interp.debug_print_value v) + end +instance (ToFromInterpValue trans_kind) + let toInterpValue = trans_kindToInterpValue + let fromInterpValue = trans_kindFromInterpValue +end + + +let instruction_kindToInterpValue = function + | IK_barrier v -> V_ctor (Id_aux (Id "IK_barrier") Unknown) (T_id "instruction_kind") C_Union (toInterpValue v) + | IK_mem_read v -> V_ctor (Id_aux (Id "IK_mem_read") Unknown) (T_id "instruction_kind") C_Union (toInterpValue v) + | IK_mem_write v -> V_ctor (Id_aux (Id "IK_mem_write") Unknown) (T_id "instruction_kind") C_Union (toInterpValue v) + | IK_mem_rmw v -> V_ctor (Id_aux (Id "IK_mem_rmw") Unknown) (T_id "instruction_kind") C_Union (toInterpValue v) + | IK_branch -> V_ctor (Id_aux (Id "IK_branch") Unknown) (T_id "instruction_kind") C_Union (toInterpValue ()) + | IK_trans v -> V_ctor (Id_aux (Id "IK_trans") Unknown) (T_id "instruction_kind") C_Union (toInterpValue v) + | IK_simple -> V_ctor (Id_aux (Id "IK_simple") Unknown) (T_id "instruction_kind") C_Union (toInterpValue ()) + end +let rec instruction_kindFromInterpValue v = match v with + | V_ctor (Id_aux (Id "IK_barrier") _) _ _ v -> IK_barrier (fromInterpValue v) + | V_ctor (Id_aux (Id "IK_mem_read") _) _ _ v -> IK_mem_read (fromInterpValue v) + | V_ctor (Id_aux (Id "IK_mem_write") _) _ _ v -> IK_mem_write (fromInterpValue v) + | V_ctor (Id_aux (Id "IK_mem_rmw") _) _ _ v -> IK_mem_rmw (fromInterpValue v) + | V_ctor (Id_aux (Id "IK_branch") _) _ _ v -> IK_branch + | V_ctor (Id_aux (Id "IK_trans") _) _ _ v -> IK_trans (fromInterpValue v) + | V_ctor (Id_aux (Id "IK_simple") _) _ _ v -> IK_simple + | V_tuple [v] -> instruction_kindFromInterpValue v + | v -> failwith ("fromInterpValue instruction_kind: unexpected value. " ^ + Interp.debug_print_value v) + end +instance (ToFromInterpValue instruction_kind) + let toInterpValue = instruction_kindToInterpValue + let fromInterpValue = instruction_kindFromInterpValue +end + +let regfpToInterpValue = function + | RFull v -> Interp_ast.V_ctor (Interp_ast.Id_aux (Interp_ast.Id "RFull") Interp_ast.Unknown) (Interp_ast.T_id "regfp") Interp_ast.C_Union (toInterpValue v) + | RSlice v -> Interp_ast.V_ctor (Interp_ast.Id_aux (Interp_ast.Id "RSlice") Interp_ast.Unknown) (Interp_ast.T_id "regfp") Interp_ast.C_Union (toInterpValue v) + | RSliceBit v -> Interp_ast.V_ctor (Interp_ast.Id_aux (Interp_ast.Id "RSliceBit") Interp_ast.Unknown) (Interp_ast.T_id "regfp") Interp_ast.C_Union (toInterpValue v) + | RField v -> Interp_ast.V_ctor (Interp_ast.Id_aux (Interp_ast.Id "RField") Interp_ast.Unknown) (Interp_ast.T_id "regfp") Interp_ast.C_Union (toInterpValue v) + end + +let rec regfpFromInterpValue v = match v with + | Interp_ast.V_ctor (Interp_ast.Id_aux (Interp_ast.Id "RFull") _) _ _ v -> RFull (fromInterpValue v) + | Interp_ast.V_ctor (Interp_ast.Id_aux (Interp_ast.Id "RSlice") _) _ _ v -> RSlice (fromInterpValue v) + | Interp_ast.V_ctor (Interp_ast.Id_aux (Interp_ast.Id "RSliceBit") _) _ _ v -> RSliceBit (fromInterpValue v) + | Interp_ast.V_ctor (Interp_ast.Id_aux (Interp_ast.Id "RField") _) _ _ v -> RField (fromInterpValue v) + | Interp_ast.V_tuple [v] -> regfpFromInterpValue v + | v -> failwith ("fromInterpValue regfp: unexpected value. " ^ Interp.debug_print_value v) + end + +instance (ToFromInterpValue regfp) + let toInterpValue = regfpToInterpValue + let fromInterpValue = regfpFromInterpValue +end + + + + diff --git a/src/gen_lib/sail2_operators.lem b/src/gen_lib/sail2_operators.lem new file mode 100644 index 00000000..547160d3 --- /dev/null +++ b/src/gen_lib/sail2_operators.lem @@ -0,0 +1,207 @@ +open import Pervasives_extra +open import Machine_word +open import Sail2_values + +(*** Bit vector operations *) + +val concat_bv : forall 'a 'b. Bitvector 'a, Bitvector 'b => 'a -> 'b -> list bitU +let concat_bv l r = (bits_of l ++ bits_of r) + +val cons_bv : forall 'a. Bitvector 'a => bitU -> 'a -> list bitU +let cons_bv b v = b :: bits_of v + +val cast_unit_bv : bitU -> list bitU +let cast_unit_bv b = [b] + +val bv_of_bit : integer -> bitU -> list bitU +let bv_of_bit len b = extz_bits len [b] + +let most_significant v = match bits_of v with + | b :: _ -> b + | _ -> B0 (* Treat empty bitvector as all zeros *) + end + +let get_max_representable_in sign (n : integer) : integer = + if (n = 64) then match sign with | true -> max_64 | false -> max_64u end + else if (n=32) then match sign with | true -> max_32 | false -> max_32u end + else if (n=8) then max_8 + else if (n=5) then max_5 + else match sign with | true -> integerPow 2 ((natFromInteger n) -1) + | false -> integerPow 2 (natFromInteger n) + end + +let get_min_representable_in _ (n : integer) : integer = + if n = 64 then min_64 + else if n = 32 then min_32 + else if n = 8 then min_8 + else if n = 5 then min_5 + else 0 - (integerPow 2 (natFromInteger n)) + +val arith_op_bv_int : forall 'a 'b. Bitvector 'a => + (integer -> integer -> integer) -> bool -> 'a -> integer -> 'a +let arith_op_bv_int op sign l r = + let r' = of_int (length l) r in + arith_op_bv op sign l r' + +val arith_op_int_bv : forall 'a 'b. Bitvector 'a => + (integer -> integer -> integer) -> bool -> integer -> 'a -> 'a +let arith_op_int_bv op sign l r = + let l' = of_int (length r) l in + arith_op_bv op sign l' r + +let arith_op_bv_bool op sign l r = arith_op_bv_int op sign l (if r then 1 else 0) +let arith_op_bv_bit op sign l r = Maybe.map (arith_op_bv_bool op sign l) (bool_of_bitU r) + +(* TODO (or just omit and define it per spec if needed) +val arith_op_overflow_bv : forall 'a. Bitvector 'a => + (integer -> integer -> integer) -> bool -> integer -> 'a -> 'a -> (list bitU * bitU * bitU) +let arith_op_overflow_bv op sign size l r = + let len = length l in + let act_size = len * size in + match (int_of_bv sign l, int_of_bv sign r, int_of_bv false l, int_of_bv false r) with + | (Just l_sign, Just r_sign, Just l_unsign, Just r_unsign) -> + let n = op l_sign r_sign in + let n_unsign = op l_unsign r_unsign in + let correct_size = of_int act_size n in + let one_more_size_u = bits_of_int (act_size + 1) n_unsign in + let overflow = + if n <= get_max_representable_in sign len && + n >= get_min_representable_in sign len + then B0 else B1 in + let c_out = most_significant one_more_size_u in + (correct_size,overflow,c_out) + | (_, _, _, _) -> + (repeat [BU] act_size, BU, BU) + end + +let add_overflow_bv = arith_op_overflow_bv integerAdd false 1 +let adds_overflow_bv = arith_op_overflow_bv integerAdd true 1 +let sub_overflow_bv = arith_op_overflow_bv integerMinus false 1 +let subs_overflow_bv = arith_op_overflow_bv integerMinus true 1 +let mult_overflow_bv = arith_op_overflow_bv integerMult false 2 +let mults_overflow_bv = arith_op_overflow_bv integerMult true 2 + +val arith_op_overflow_bv_bit : forall 'a. Bitvector 'a => + (integer -> integer -> integer) -> bool -> integer -> 'a -> bitU -> (list bitU * bitU * bitU) +let arith_op_overflow_bv_bit op sign size l r_bit = + let act_size = length l * size in + match (int_of_bv sign l, int_of_bv false l, r_bit = BU) with + | (Just l', Just l_u, false) -> + let (n, nu, changed) = match r_bit with + | B1 -> (op l' 1, op l_u 1, true) + | B0 -> (l', l_u, false) + | BU -> (* unreachable due to check above *) + failwith "arith_op_overflow_bv_bit applied to undefined bit" + end in + let correct_size = of_int act_size n in + let one_larger = bits_of_int (act_size + 1) nu in + let overflow = + if changed + then + if n <= get_max_representable_in sign act_size && n >= get_min_representable_in sign act_size + then B0 else B1 + else B0 in + (correct_size, overflow, most_significant one_larger) + | (_, _, _) -> + (repeat [BU] act_size, BU, BU) + end + +let add_overflow_bv_bit = arith_op_overflow_bv_bit integerAdd false 1 +let adds_overflow_bv_bit = arith_op_overflow_bv_bit integerAdd true 1 +let sub_overflow_bv_bit = arith_op_overflow_bv_bit integerMinus false 1 +let subs_overflow_bv_bit = arith_op_overflow_bv_bit integerMinus true 1*) + +type shift = LL_shift | RR_shift | RR_shift_arith | LL_rot | RR_rot + +let invert_shift = function + | LL_shift -> RR_shift + | RR_shift -> LL_shift + | RR_shift_arith -> LL_shift + | LL_rot -> RR_rot + | RR_rot -> LL_rot +end + +val shift_op_bv : forall 'a. Bitvector 'a => shift -> 'a -> integer -> list bitU +let shift_op_bv op v n = + let v = bits_of v in + if n = 0 then v else + let (op, n) = if n > 0 then (op, n) else (invert_shift op, ~n) in + match op with + | LL_shift -> + subrange_list true v n (length v - 1) ++ repeat [B0] n + | RR_shift -> + repeat [B0] n ++ subrange_list true v 0 (length v - n - 1) + | RR_shift_arith -> + repeat [most_significant v] n ++ subrange_list true v 0 (length v - n - 1) + | LL_rot -> + subrange_list true v n (length v - 1) ++ subrange_list true v 0 (n - 1) + | RR_rot -> + subrange_list false v 0 (n - 1) ++ subrange_list false v n (length v - 1) + end + +let shiftl_bv = shift_op_bv LL_shift (*"<<"*) +let shiftr_bv = shift_op_bv RR_shift (*">>"*) +let arith_shiftr_bv = shift_op_bv RR_shift_arith +let rotl_bv = shift_op_bv LL_rot (*"<<<"*) +let rotr_bv = shift_op_bv LL_rot (*">>>"*) + +let shiftl_mword w n = Machine_word.shiftLeft w (nat_of_int n) +let shiftr_mword w n = Machine_word.shiftRight w (nat_of_int n) +let arith_shiftr_mword w n = Machine_word.arithShiftRight w (nat_of_int n) +let rotl_mword w n = Machine_word.rotateLeft (nat_of_int n) w +let rotr_mword w n = Machine_word.rotateRight (nat_of_int n) w + +let rec arith_op_no0 (op : integer -> integer -> integer) l r = + if r = 0 + then Nothing + else Just (op l r) + +val arith_op_bv_no0 : forall 'a 'b. Bitvector 'a, Bitvector 'b => + (integer -> integer -> integer) -> bool -> integer -> 'a -> 'a -> maybe 'b +let arith_op_bv_no0 op sign size l r = + Maybe.bind (int_of_bv sign l) (fun l' -> + Maybe.bind (int_of_bv sign r) (fun r' -> + if r' = 0 then Nothing else Just (of_int (length l * size) (op l' r')))) + +let mod_bv = arith_op_bv_no0 hardware_mod false 1 +let quot_bv = arith_op_bv_no0 hardware_quot false 1 +let quots_bv = arith_op_bv_no0 hardware_quot true 1 + +let mod_mword = Machine_word.modulo +let quot_mword = Machine_word.unsignedDivide +let quots_mword = Machine_word.signedDivide + +let arith_op_bv_int_no0 op sign size l r = + arith_op_bv_no0 op sign size l (of_int (length l) r) + +let quot_bv_int = arith_op_bv_int_no0 hardware_quot false 1 +let mod_bv_int = arith_op_bv_int_no0 hardware_mod false 1 + +let mod_mword_int l r = Machine_word.modulo l (wordFromInteger r) +let quot_mword_int l r = Machine_word.unsignedDivide l (wordFromInteger r) +let quots_mword_int l r = Machine_word.signedDivide l (wordFromInteger r) + +let replicate_bits_bv v count = repeat (bits_of v) count +let duplicate_bit_bv bit len = replicate_bits_bv [bit] len + +val eq_bv : forall 'a. Bitvector 'a => 'a -> 'a -> bool +let eq_bv l r = (bits_of l = bits_of r) + +let inline eq_mword l r = (l = r) + +val neq_bv : forall 'a. Bitvector 'a => 'a -> 'a -> bool +let neq_bv l r = not (eq_bv l r) + +let inline neq_mword l r = (l <> r) + +val get_slice_int_bv : forall 'a. Bitvector 'a => integer -> integer -> integer -> 'a +let get_slice_int_bv len n lo = + let hi = lo + len - 1 in + let bs = bools_of_int (hi + 1) n in + of_bools (subrange_list false bs hi lo) + +val set_slice_int_bv : forall 'a. Bitvector 'a => integer -> integer -> integer -> 'a -> integer +let set_slice_int_bv len n lo v = + let hi = lo + len - 1 in + let bs = bits_of_int (hi + 1) n in + maybe_failwith (signed_of_bits (update_subrange_list false bs hi lo (bits_of v))) diff --git a/src/gen_lib/sail2_operators_bitlists.lem b/src/gen_lib/sail2_operators_bitlists.lem new file mode 100644 index 00000000..7f1bcba5 --- /dev/null +++ b/src/gen_lib/sail2_operators_bitlists.lem @@ -0,0 +1,312 @@ +open import Pervasives_extra +open import Machine_word +open import Sail2_values +open import Sail2_operators +open import Sail2_prompt_monad +open import Sail2_prompt + +(* Specialisation of operators to bit lists *) + +val uint_maybe : list bitU -> maybe integer +let uint_maybe v = unsigned v +let uint_fail v = maybe_fail "uint" (unsigned v) +let uint_oracle v = + bools_of_bits_oracle v >>= (fun bs -> + return (int_of_bools false bs)) +let uint v = maybe_failwith (uint_maybe v) + +val sint_maybe : list bitU -> maybe integer +let sint_maybe v = signed v +let sint_fail v = maybe_fail "sint" (signed v) +let sint_oracle v = + bools_of_bits_oracle v >>= (fun bs -> + return (int_of_bools true bs)) +let sint v = maybe_failwith (sint_maybe v) + +val extz_vec : integer -> list bitU -> list bitU +let extz_vec = extz_bv + +val exts_vec : integer -> list bitU -> list bitU +let exts_vec = exts_bv + +val zero_extend : list bitU -> integer -> list bitU +let zero_extend bits len = extz_bits len bits + +val sign_extend : list bitU -> integer -> list bitU +let sign_extend bits len = exts_bits len bits + +val zeros : integer -> list bitU +let zeros len = repeat [B0] len + +val vector_truncate : list bitU -> integer -> list bitU +let vector_truncate bs len = extz_bv len bs + +val vec_of_bits_maybe : list bitU -> maybe (list bitU) +val vec_of_bits_fail : forall 'rv 'e. list bitU -> monad 'rv (list bitU) 'e +val vec_of_bits_oracle : forall 'rv 'e. list bitU -> monad 'rv (list bitU) 'e +val vec_of_bits_failwith : list bitU -> list bitU +val vec_of_bits : list bitU -> list bitU +let inline vec_of_bits bits = bits +let inline vec_of_bits_maybe bits = Just bits +let inline vec_of_bits_fail bits = return bits +let inline vec_of_bits_oracle bits = return bits +let inline vec_of_bits_failwith bits = bits + +val access_vec_inc : list bitU -> integer -> bitU +let access_vec_inc = access_bv_inc + +val access_vec_dec : list bitU -> integer -> bitU +let access_vec_dec = access_bv_dec + +val update_vec_inc : list bitU -> integer -> bitU -> list bitU +let update_vec_inc = update_bv_inc +let update_vec_inc_maybe v i b = Just (update_vec_inc v i b) +let update_vec_inc_fail v i b = return (update_vec_inc v i b) +let update_vec_inc_oracle v i b = return (update_vec_inc v i b) + +val update_vec_dec : list bitU -> integer -> bitU -> list bitU +let update_vec_dec = update_bv_dec +let update_vec_dec_maybe v i b = Just (update_vec_dec v i b) +let update_vec_dec_fail v i b = return (update_vec_dec v i b) +let update_vec_dec_oracle v i b = return (update_vec_dec v i b) + +val subrange_vec_inc : list bitU -> integer -> integer -> list bitU +let subrange_vec_inc = subrange_bv_inc + +val subrange_vec_dec : list bitU -> integer -> integer -> list bitU +let subrange_vec_dec = subrange_bv_dec + +val update_subrange_vec_inc : list bitU -> integer -> integer -> list bitU -> list bitU +let update_subrange_vec_inc = update_subrange_bv_inc + +val update_subrange_vec_dec : list bitU -> integer -> integer -> list bitU -> list bitU +let update_subrange_vec_dec = update_subrange_bv_dec + +val concat_vec : list bitU -> list bitU -> list bitU +let concat_vec = concat_bv + +val cons_vec : bitU -> list bitU -> list bitU +let cons_vec = cons_bv +let cons_vec_maybe b v = Just (cons_vec b v) +let cons_vec_fail b v = return (cons_vec b v) +let cons_vec_oracle b v = return (cons_vec b v) + +val cast_unit_vec : bitU -> list bitU +let cast_unit_vec = cast_unit_bv +let cast_unit_vec_maybe b = Just (cast_unit_vec b) +let cast_unit_vec_fail b = return (cast_unit_vec b) +let cast_unit_vec_oracle b = return (cast_unit_vec b) + +val vec_of_bit : integer -> bitU -> list bitU +let vec_of_bit = bv_of_bit +let vec_of_bit_maybe len b = Just (vec_of_bit len b) +let vec_of_bit_fail len b = return (vec_of_bit len b) +let vec_of_bit_oracle len b = return (vec_of_bit len b) + +val msb : list bitU -> bitU +let msb = most_significant + +val int_of_vec_maybe : bool -> list bitU -> maybe integer +let int_of_vec_maybe = int_of_bv +let int_of_vec_fail sign v = maybe_fail "int_of_vec" (int_of_vec_maybe sign v) +let int_of_vec_oracle sign v = bools_of_bits_oracle v >>= (fun v -> return (int_of_bools sign v)) +let int_of_vec sign v = maybe_failwith (int_of_vec_maybe sign v) + +val string_of_vec : list bitU -> string +let string_of_vec = string_of_bv + +val and_vec : list bitU -> list bitU -> list bitU +val or_vec : list bitU -> list bitU -> list bitU +val xor_vec : list bitU -> list bitU -> list bitU +val not_vec : list bitU -> list bitU +let and_vec = binop_list and_bit +let or_vec = binop_list or_bit +let xor_vec = binop_list xor_bit +let not_vec = List.map not_bit + +val arith_op_double_bl : forall 'a 'b. Bitvector 'a => + (integer -> integer -> integer) -> bool -> 'a -> 'a -> list bitU +let arith_op_double_bl op sign l r = + let len = 2 * length l in + let l' = if sign then exts_bv len l else extz_bv len l in + let r' = if sign then exts_bv len r else extz_bv len r in + arith_op_bv op sign l' r' + +val add_vec : list bitU -> list bitU -> list bitU +val adds_vec : list bitU -> list bitU -> list bitU +val sub_vec : list bitU -> list bitU -> list bitU +val subs_vec : list bitU -> list bitU -> list bitU +val mult_vec : list bitU -> list bitU -> list bitU +val mults_vec : list bitU -> list bitU -> list bitU +let add_vec = arith_op_bv integerAdd false +let adds_vec = arith_op_bv integerAdd true +let sub_vec = arith_op_bv integerMinus false +let subs_vec = arith_op_bv integerMinus true +let mult_vec = arith_op_double_bl integerMult false +let mults_vec = arith_op_double_bl integerMult true + +val add_vec_int : list bitU -> integer -> list bitU +val adds_vec_int : list bitU -> integer -> list bitU +val sub_vec_int : list bitU -> integer -> list bitU +val subs_vec_int : list bitU -> integer -> list bitU +val mult_vec_int : list bitU -> integer -> list bitU +val mults_vec_int : list bitU -> integer -> list bitU +let add_vec_int l r = arith_op_bv_int integerAdd false l r +let adds_vec_int l r = arith_op_bv_int integerAdd true l r +let sub_vec_int l r = arith_op_bv_int integerMinus false l r +let subs_vec_int l r = arith_op_bv_int integerMinus true l r +let mult_vec_int l r = arith_op_double_bl integerMult false l (of_int (length l) r) +let mults_vec_int l r = arith_op_double_bl integerMult true l (of_int (length l) r) + +val add_int_vec : integer -> list bitU -> list bitU +val adds_int_vec : integer -> list bitU -> list bitU +val sub_int_vec : integer -> list bitU -> list bitU +val subs_int_vec : integer -> list bitU -> list bitU +val mult_int_vec : integer -> list bitU -> list bitU +val mults_int_vec : integer -> list bitU -> list bitU +let add_int_vec l r = arith_op_int_bv integerAdd false l r +let adds_int_vec l r = arith_op_int_bv integerAdd true l r +let sub_int_vec l r = arith_op_int_bv integerMinus false l r +let subs_int_vec l r = arith_op_int_bv integerMinus true l r +let mult_int_vec l r = arith_op_double_bl integerMult false (of_int (length r) l) r +let mults_int_vec l r = arith_op_double_bl integerMult true (of_int (length r) l) r + +val add_vec_bit : list bitU -> bitU -> list bitU +val adds_vec_bit : list bitU -> bitU -> list bitU +val sub_vec_bit : list bitU -> bitU -> list bitU +val subs_vec_bit : list bitU -> bitU -> list bitU + +let add_vec_bool l r = arith_op_bv_bool integerAdd false l r +let add_vec_bit_maybe l r = arith_op_bv_bit integerAdd false l r +let add_vec_bit_fail l r = maybe_fail "add_vec_bit" (add_vec_bit_maybe l r) +let add_vec_bit_oracle l r = bool_of_bitU_oracle r >>= (fun r -> return (add_vec_bool l r)) +let add_vec_bit l r = fromMaybe (repeat [BU] (length l)) (add_vec_bit_maybe l r) + +let adds_vec_bool l r = arith_op_bv_bool integerAdd true l r +let adds_vec_bit_maybe l r = arith_op_bv_bit integerAdd true l r +let adds_vec_bit_fail l r = maybe_fail "adds_vec_bit" (adds_vec_bit_maybe l r) +let adds_vec_bit_oracle l r = bool_of_bitU_oracle r >>= (fun r -> return (adds_vec_bool l r)) +let adds_vec_bit l r = fromMaybe (repeat [BU] (length l)) (adds_vec_bit_maybe l r) + +let sub_vec_bool l r = arith_op_bv_bool integerMinus false l r +let sub_vec_bit_maybe l r = arith_op_bv_bit integerMinus false l r +let sub_vec_bit_fail l r = maybe_fail "sub_vec_bit" (sub_vec_bit_maybe l r) +let sub_vec_bit_oracle l r = bool_of_bitU_oracle r >>= (fun r -> return (sub_vec_bool l r)) +let sub_vec_bit l r = fromMaybe (repeat [BU] (length l)) (sub_vec_bit_maybe l r) + +let subs_vec_bool l r = arith_op_bv_bool integerMinus true l r +let subs_vec_bit_maybe l r = arith_op_bv_bit integerMinus true l r +let subs_vec_bit_fail l r = maybe_fail "sub_vec_bit" (subs_vec_bit_maybe l r) +let subs_vec_bit_oracle l r = bool_of_bitU_oracle r >>= (fun r -> return (subs_vec_bool l r)) +let subs_vec_bit l r = fromMaybe (repeat [BU] (length l)) (subs_vec_bit_maybe l r) + +(*val add_overflow_vec : list bitU -> list bitU -> (list bitU * bitU * bitU) +val add_overflow_vec_signed : list bitU -> list bitU -> (list bitU * bitU * bitU) +val sub_overflow_vec : list bitU -> list bitU -> (list bitU * bitU * bitU) +val sub_overflow_vec_signed : list bitU -> list bitU -> (list bitU * bitU * bitU) +val mult_overflow_vec : list bitU -> list bitU -> (list bitU * bitU * bitU) +val mult_overflow_vec_signed : list bitU -> list bitU -> (list bitU * bitU * bitU) +let add_overflow_vec = add_overflow_bv +let add_overflow_vec_signed = add_overflow_bv_signed +let sub_overflow_vec = sub_overflow_bv +let sub_overflow_vec_signed = sub_overflow_bv_signed +let mult_overflow_vec = mult_overflow_bv +let mult_overflow_vec_signed = mult_overflow_bv_signed + +val add_overflow_vec_bit : list bitU -> bitU -> (list bitU * bitU * bitU) +val add_overflow_vec_bit_signed : list bitU -> bitU -> (list bitU * bitU * bitU) +val sub_overflow_vec_bit : list bitU -> bitU -> (list bitU * bitU * bitU) +val sub_overflow_vec_bit_signed : list bitU -> bitU -> (list bitU * bitU * bitU) +let add_overflow_vec_bit = add_overflow_bv_bit +let add_overflow_vec_bit_signed = add_overflow_bv_bit_signed +let sub_overflow_vec_bit = sub_overflow_bv_bit +let sub_overflow_vec_bit_signed = sub_overflow_bv_bit_signed*) + +val shiftl : list bitU -> integer -> list bitU +val shiftr : list bitU -> integer -> list bitU +val arith_shiftr : list bitU -> integer -> list bitU +val rotl : list bitU -> integer -> list bitU +val rotr : list bitU -> integer -> list bitU +let shiftl = shiftl_bv +let shiftr = shiftr_bv +let arith_shiftr = arith_shiftr_bv +let rotl = rotl_bv +let rotr = rotr_bv + +val mod_vec : list bitU -> list bitU -> list bitU +val mod_vec_maybe : list bitU -> list bitU -> maybe (list bitU) +val mod_vec_fail : forall 'rv 'e. list bitU -> list bitU -> monad 'rv (list bitU) 'e +val mod_vec_oracle : forall 'rv 'e. list bitU -> list bitU -> monad 'rv (list bitU) 'e +let mod_vec l r = fromMaybe (repeat [BU] (length l)) (mod_bv l r) +let mod_vec_maybe l r = mod_bv l r +let mod_vec_fail l r = maybe_fail "mod_vec" (mod_bv l r) +let mod_vec_oracle l r = of_bits_oracle (mod_vec l r) + +val quot_vec : list bitU -> list bitU -> list bitU +val quot_vec_maybe : list bitU -> list bitU -> maybe (list bitU) +val quot_vec_fail : forall 'rv 'e. list bitU -> list bitU -> monad 'rv (list bitU) 'e +val quot_vec_oracle : forall 'rv 'e. list bitU -> list bitU -> monad 'rv (list bitU) 'e +let quot_vec l r = fromMaybe (repeat [BU] (length l)) (quot_bv l r) +let quot_vec_maybe l r = quot_bv l r +let quot_vec_fail l r = maybe_fail "quot_vec" (quot_bv l r) +let quot_vec_oracle l r = of_bits_oracle (quot_vec l r) + +val quots_vec : list bitU -> list bitU -> list bitU +val quots_vec_maybe : list bitU -> list bitU -> maybe (list bitU) +val quots_vec_fail : forall 'rv 'e. list bitU -> list bitU -> monad 'rv (list bitU) 'e +val quots_vec_oracle : forall 'rv 'e. list bitU -> list bitU -> monad 'rv (list bitU) 'e +let quots_vec l r = fromMaybe (repeat [BU] (length l)) (quots_bv l r) +let quots_vec_maybe l r = quots_bv l r +let quots_vec_fail l r = maybe_fail "quots_vec" (quots_bv l r) +let quots_vec_oracle l r = of_bits_oracle (quots_vec l r) + +val mod_vec_int : list bitU -> integer -> list bitU +val mod_vec_int_maybe : list bitU -> integer -> maybe (list bitU) +val mod_vec_int_fail : forall 'rv 'e. list bitU -> integer -> monad 'rv (list bitU) 'e +val mod_vec_int_oracle : forall 'rv 'e. list bitU -> integer -> monad 'rv (list bitU) 'e +let mod_vec_int l r = fromMaybe (repeat [BU] (length l)) (mod_bv_int l r) +let mod_vec_int_maybe l r = mod_bv_int l r +let mod_vec_int_fail l r = maybe_fail "mod_vec_int" (mod_bv_int l r) +let mod_vec_int_oracle l r = of_bits_oracle (mod_vec_int l r) + +val quot_vec_int : list bitU -> integer -> list bitU +val quot_vec_int_maybe : list bitU -> integer -> maybe (list bitU) +val quot_vec_int_fail : forall 'rv 'e. list bitU -> integer -> monad 'rv (list bitU) 'e +val quot_vec_int_oracle : forall 'rv 'e. list bitU -> integer -> monad 'rv (list bitU) 'e +let quot_vec_int l r = fromMaybe (repeat [BU] (length l)) (quot_bv_int l r) +let quot_vec_int_maybe l r = quot_bv_int l r +let quot_vec_int_fail l r = maybe_fail "quot_vec_int" (quot_bv_int l r) +let quot_vec_int_oracle l r = of_bits_oracle (quot_vec_int l r) + +val replicate_bits : list bitU -> integer -> list bitU +let replicate_bits = replicate_bits_bv + +val duplicate : bitU -> integer -> list bitU +let duplicate = duplicate_bit_bv +let duplicate_maybe b n = Just (duplicate b n) +let duplicate_fail b n = return (duplicate b n) +let duplicate_oracle b n = + bool_of_bitU_oracle b >>= (fun b -> + return (duplicate (bitU_of_bool b) n)) + +val reverse_endianness : list bitU -> list bitU +let reverse_endianness v = reverse_endianness_list v + +val get_slice_int : integer -> integer -> integer -> list bitU +let get_slice_int = get_slice_int_bv + +val set_slice_int : integer -> integer -> integer -> list bitU -> integer +let set_slice_int = set_slice_int_bv + +val slice : list bitU -> integer -> integer -> list bitU +let slice v lo len = + subrange_vec_dec v (lo + len - 1) lo + +val set_slice : integer -> integer -> list bitU -> integer -> list bitU -> list bitU +let set_slice (out_len:ii) (slice_len:ii) out (n:ii) v = + update_subrange_vec_dec out (n + slice_len - 1) n v + +val eq_vec : list bitU -> list bitU -> bool +val neq_vec : list bitU -> list bitU -> bool +let eq_vec = eq_bv +let neq_vec = neq_bv diff --git a/src/gen_lib/sail2_operators_mwords.lem b/src/gen_lib/sail2_operators_mwords.lem new file mode 100644 index 00000000..fe319efc --- /dev/null +++ b/src/gen_lib/sail2_operators_mwords.lem @@ -0,0 +1,333 @@ +open import Pervasives_extra +open import Machine_word +open import Sail2_values +open import Sail2_operators +open import Sail2_prompt_monad +open import Sail2_prompt + +(* Specialisation of operators to machine words *) + +let inline uint v = unsignedIntegerFromWord v +let uint_maybe v = Just (uint v) +let uint_fail v = return (uint v) +let uint_oracle v = return (uint v) + +let inline sint v = signedIntegerFromWord v +let sint_maybe v = Just (sint v) +let sint_fail v = return (sint v) +let sint_oracle v = return (sint v) + +val vec_of_bits_maybe : forall 'a. Size 'a => list bitU -> maybe (mword 'a) +val vec_of_bits_fail : forall 'rv 'a 'e. Size 'a => list bitU -> monad 'rv (mword 'a) 'e +val vec_of_bits_oracle : forall 'rv 'a 'e. Size 'a => list bitU -> monad 'rv (mword 'a) 'e +val vec_of_bits_failwith : forall 'a. Size 'a => list bitU -> mword 'a +val vec_of_bits : forall 'a. Size 'a => list bitU -> mword 'a +let vec_of_bits_maybe bits = of_bits bits +let vec_of_bits_fail bits = of_bits_fail bits +let vec_of_bits_oracle bits = of_bits_oracle bits +let vec_of_bits_failwith bits = of_bits_failwith bits +let vec_of_bits bits = of_bits_failwith bits + +val access_vec_inc : forall 'a. Size 'a => mword 'a -> integer -> bitU +let access_vec_inc = access_bv_inc + +val access_vec_dec : forall 'a. Size 'a => mword 'a -> integer -> bitU +let access_vec_dec = access_bv_dec + +let update_vec_dec_maybe w i b = update_mword_dec w i b +let update_vec_dec_fail w i b = + bool_of_bitU_fail b >>= (fun b -> + return (update_mword_bool_dec w i b)) +let update_vec_dec_oracle w i b = + bool_of_bitU_oracle b >>= (fun b -> + return (update_mword_bool_dec w i b)) +let update_vec_dec w i b = maybe_failwith (update_vec_dec_maybe w i b) + +let update_vec_inc_maybe w i b = update_mword_inc w i b +let update_vec_inc_fail w i b = + bool_of_bitU_fail b >>= (fun b -> + return (update_mword_bool_inc w i b)) +let update_vec_inc_oracle w i b = + bool_of_bitU_oracle b >>= (fun b -> + return (update_mword_bool_inc w i b)) +let update_vec_inc w i b = maybe_failwith (update_vec_inc_maybe w i b) + +val subrange_vec_dec : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> integer -> mword 'b +let subrange_vec_dec w i j = Machine_word.word_extract (nat_of_int j) (nat_of_int i) w + +val subrange_vec_inc : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> integer -> mword 'b +let subrange_vec_inc w i j = subrange_vec_dec w (length w - 1 - i) (length w - 1 - j) + +val update_subrange_vec_dec : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> integer -> mword 'b -> mword 'a +let update_subrange_vec_dec w i j w' = Machine_word.word_update w (nat_of_int j) (nat_of_int i) w' + +val update_subrange_vec_inc : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> integer -> mword 'b -> mword 'a +let update_subrange_vec_inc w i j w' = update_subrange_vec_dec w (length w - 1 - i) (length w - 1 - j) w' + +val extz_vec : forall 'a 'b. Size 'a, Size 'b => integer -> mword 'a -> mword 'b +let extz_vec _ w = Machine_word.zeroExtend w + +val exts_vec : forall 'a 'b. Size 'a, Size 'b => integer -> mword 'a -> mword 'b +let exts_vec _ w = Machine_word.signExtend w + +val zero_extend : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> mword 'b +let zero_extend w _ = Machine_word.zeroExtend w + +val sign_extend : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> mword 'b +let sign_extend w _ = Machine_word.signExtend w + +val zeros : forall 'a. Size 'a => integer -> mword 'a +let zeros _ = Machine_word.wordFromNatural 0 + +val vector_truncate : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> mword 'b +let vector_truncate w _ = Machine_word.zeroExtend w + +val concat_vec : forall 'a 'b 'c. Size 'a, Size 'b, Size 'c => mword 'a -> mword 'b -> mword 'c +let concat_vec = Machine_word.word_concat + +val cons_vec_bool : forall 'a 'b 'c. Size 'a, Size 'b => bool -> mword 'a -> mword 'b +let cons_vec_bool b w = wordFromBitlist (b :: bitlistFromWord w) +let cons_vec_maybe b w = Maybe.map (fun b -> cons_vec_bool b w) (bool_of_bitU b) +let cons_vec_fail b w = bool_of_bitU_fail b >>= (fun b -> return (cons_vec_bool b w)) +let cons_vec_oracle b w = bool_of_bitU_oracle b >>= (fun b -> return (cons_vec_bool b w)) +let cons_vec b w = maybe_failwith (cons_vec_maybe b w) + +val vec_of_bool : forall 'a. Size 'a => integer -> bool -> mword 'a +let vec_of_bool _ b = wordFromBitlist [b] +let vec_of_bit_maybe len b = Maybe.map (vec_of_bool len) (bool_of_bitU b) +let vec_of_bit_fail len b = bool_of_bitU_fail b >>= (fun b -> return (vec_of_bool len b)) +let vec_of_bit_oracle len b = bool_of_bitU_oracle b >>= (fun b -> return (vec_of_bool len b)) +let vec_of_bit len b = maybe_failwith (vec_of_bit_maybe len b) + +val cast_bool_vec : bool -> mword ty1 +let cast_bool_vec b = vec_of_bool 1 b +let cast_unit_vec_maybe b = vec_of_bit_maybe 1 b +let cast_unit_vec_fail b = bool_of_bitU_fail b >>= (fun b -> return (cast_bool_vec b)) +let cast_unit_vec_oracle b = bool_of_bitU_oracle b >>= (fun b -> return (cast_bool_vec b)) +let cast_unit_vec b = maybe_failwith (cast_unit_vec_maybe b) + +val msb : forall 'a. Size 'a => mword 'a -> bitU +let msb = most_significant + +val int_of_vec : forall 'a. Size 'a => bool -> mword 'a -> integer +let int_of_vec sign w = + if sign + then signedIntegerFromWord w + else unsignedIntegerFromWord w +let int_of_vec_maybe sign w = Just (int_of_vec sign w) +let int_of_vec_fail sign w = return (int_of_vec sign w) + +val string_of_vec : forall 'a. Size 'a => mword 'a -> string +let string_of_vec = string_of_bv + +val and_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> mword 'a +val or_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> mword 'a +val xor_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> mword 'a +val not_vec : forall 'a. Size 'a => mword 'a -> mword 'a +let and_vec = Machine_word.lAnd +let or_vec = Machine_word.lOr +let xor_vec = Machine_word.lXor +let not_vec = Machine_word.lNot + +val add_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> mword 'a +val adds_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> mword 'a +val sub_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> mword 'a +val subs_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> mword 'a +val mult_vec : forall 'a 'b. Size 'a, Size 'b => mword 'a -> mword 'a -> mword 'b +val mults_vec : forall 'a 'b. Size 'a, Size 'b => mword 'a -> mword 'a -> mword 'b +let add_vec l r = arith_op_bv integerAdd false l r +let adds_vec l r = arith_op_bv integerAdd true l r +let sub_vec l r = arith_op_bv integerMinus false l r +let subs_vec l r = arith_op_bv integerMinus true l r +let mult_vec l r = arith_op_bv integerMult false (zeroExtend l : mword 'b) (zeroExtend r : mword 'b) +let mults_vec l r = arith_op_bv integerMult true (signExtend l : mword 'b) (signExtend r : mword 'b) + +val add_vec_int : forall 'a. Size 'a => mword 'a -> integer -> mword 'a +val adds_vec_int : forall 'a. Size 'a => mword 'a -> integer -> mword 'a +val sub_vec_int : forall 'a. Size 'a => mword 'a -> integer -> mword 'a +val subs_vec_int : forall 'a. Size 'a => mword 'a -> integer -> mword 'a +val mult_vec_int : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> mword 'b +val mults_vec_int : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> mword 'b +let add_vec_int l r = arith_op_bv_int integerAdd false l r +let adds_vec_int l r = arith_op_bv_int integerAdd true l r +let sub_vec_int l r = arith_op_bv_int integerMinus false l r +let subs_vec_int l r = arith_op_bv_int integerMinus true l r +let mult_vec_int l r = arith_op_bv_int integerMult false (zeroExtend l : mword 'b) r +let mults_vec_int l r = arith_op_bv_int integerMult true (signExtend l : mword 'b) r + +val add_int_vec : forall 'a. Size 'a => integer -> mword 'a -> mword 'a +val adds_int_vec : forall 'a. Size 'a => integer -> mword 'a -> mword 'a +val sub_int_vec : forall 'a. Size 'a => integer -> mword 'a -> mword 'a +val subs_int_vec : forall 'a. Size 'a => integer -> mword 'a -> mword 'a +val mult_int_vec : forall 'a 'b. Size 'a, Size 'b => integer -> mword 'a -> mword 'b +val mults_int_vec : forall 'a 'b. Size 'a, Size 'b => integer -> mword 'a -> mword 'b +let add_int_vec l r = arith_op_int_bv integerAdd false l r +let adds_int_vec l r = arith_op_int_bv integerAdd true l r +let sub_int_vec l r = arith_op_int_bv integerMinus false l r +let subs_int_vec l r = arith_op_int_bv integerMinus true l r +let mult_int_vec l r = arith_op_int_bv integerMult false l (zeroExtend r : mword 'b) +let mults_int_vec l r = arith_op_int_bv integerMult true l (signExtend r : mword 'b) + +val add_vec_bool : forall 'a. Size 'a => mword 'a -> bool -> mword 'a +val adds_vec_bool : forall 'a. Size 'a => mword 'a -> bool -> mword 'a +val sub_vec_bool : forall 'a. Size 'a => mword 'a -> bool -> mword 'a +val subs_vec_bool : forall 'a. Size 'a => mword 'a -> bool -> mword 'a + +let add_vec_bool l r = arith_op_bv_bool integerAdd false l r +let add_vec_bit_maybe l r = Maybe.map (add_vec_bool l) (bool_of_bitU r) +let add_vec_bit_fail l r = bool_of_bitU_fail r >>= (fun r -> return (add_vec_bool l r)) +let add_vec_bit_oracle l r = bool_of_bitU_oracle r >>= (fun r -> return (add_vec_bool l r)) +let add_vec_bit l r = maybe_failwith (add_vec_bit_maybe l r) + +let adds_vec_bool l r = arith_op_bv_bool integerAdd true l r +let adds_vec_bit_maybe l r = Maybe.map (adds_vec_bool l) (bool_of_bitU r) +let adds_vec_bit_fail l r = bool_of_bitU_fail r >>= (fun r -> return (adds_vec_bool l r)) +let adds_vec_bit_oracle l r = bool_of_bitU_oracle r >>= (fun r -> return (adds_vec_bool l r)) +let adds_vec_bit l r = maybe_failwith (adds_vec_bit_maybe l r) + +let sub_vec_bool l r = arith_op_bv_bool integerMinus false l r +let sub_vec_bit_maybe l r = Maybe.map (sub_vec_bool l) (bool_of_bitU r) +let sub_vec_bit_fail l r = bool_of_bitU_fail r >>= (fun r -> return (sub_vec_bool l r)) +let sub_vec_bit_oracle l r = bool_of_bitU_oracle r >>= (fun r -> return (sub_vec_bool l r)) +let sub_vec_bit l r = maybe_failwith (sub_vec_bit_maybe l r) + +let subs_vec_bool l r = arith_op_bv_bool integerMinus true l r +let subs_vec_bit_maybe l r = Maybe.map (subs_vec_bool l) (bool_of_bitU r) +let subs_vec_bit_fail l r = bool_of_bitU_fail r >>= (fun r -> return (subs_vec_bool l r)) +let subs_vec_bit_oracle l r = bool_of_bitU_oracle r >>= (fun r -> return (subs_vec_bool l r)) +let subs_vec_bit l r = maybe_failwith (subs_vec_bit_maybe l r) + +(* TODO +val maybe_mword_of_bits_overflow : forall 'a. Size 'a => (list bitU * bitU * bitU) -> maybe (mword 'a * bitU * bitU) +let maybe_mword_of_bits_overflow (bits, overflow, carry) = + Maybe.map (fun w -> (w, overflow, carry)) (of_bits bits) + +val add_overflow_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> maybe (mword 'a * bitU * bitU) +val adds_overflow_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> maybe (mword 'a * bitU * bitU) +val sub_overflow_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> maybe (mword 'a * bitU * bitU) +val subs_overflow_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> maybe (mword 'a * bitU * bitU) +val mult_overflow_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> maybe (mword 'a * bitU * bitU) +val mults_overflow_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> maybe (mword 'a * bitU * bitU) +let add_overflow_vec l r = maybe_mword_of_bits_overflow (add_overflow_bv l r) +let adds_overflow_vec l r = maybe_mword_of_bits_overflow (adds_overflow_bv l r) +let sub_overflow_vec l r = maybe_mword_of_bits_overflow (sub_overflow_bv l r) +let subs_overflow_vec l r = maybe_mword_of_bits_overflow (subs_overflow_bv l r) +let mult_overflow_vec l r = maybe_mword_of_bits_overflow (mult_overflow_bv l r) +let mults_overflow_vec l r = maybe_mword_of_bits_overflow (mults_overflow_bv l r) + +val add_overflow_vec_bit : forall 'a. Size 'a => mword 'a -> bitU -> (mword 'a * bitU * bitU) +val add_overflow_vec_bit_signed : forall 'a. Size 'a => mword 'a -> bitU -> (mword 'a * bitU * bitU) +val sub_overflow_vec_bit : forall 'a. Size 'a => mword 'a -> bitU -> (mword 'a * bitU * bitU) +val sub_overflow_vec_bit_signed : forall 'a. Size 'a => mword 'a -> bitU -> (mword 'a * bitU * bitU) +let add_overflow_vec_bit = add_overflow_bv_bit +let add_overflow_vec_bit_signed = add_overflow_bv_bit_signed +let sub_overflow_vec_bit = sub_overflow_bv_bit +let sub_overflow_vec_bit_signed = sub_overflow_bv_bit_signed*) + +val shiftl : forall 'a. Size 'a => mword 'a -> integer -> mword 'a +val shiftr : forall 'a. Size 'a => mword 'a -> integer -> mword 'a +val arith_shiftr : forall 'a. Size 'a => mword 'a -> integer -> mword 'a +val rotl : forall 'a. Size 'a => mword 'a -> integer -> mword 'a +val rotr : forall 'a. Size 'a => mword 'a -> integer -> mword 'a +let shiftl = shiftl_mword +let shiftr = shiftr_mword +let arith_shiftr = arith_shiftr_mword +let rotl = rotl_mword +let rotr = rotr_mword + +val mod_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> mword 'a +val mod_vec_maybe : forall 'a. Size 'a => mword 'a -> mword 'a -> maybe (mword 'a) +val mod_vec_fail : forall 'rv 'a 'e. Size 'a => mword 'a -> mword 'a -> monad 'rv (mword 'a) 'e +val mod_vec_oracle : forall 'rv 'a 'e. Size 'a => mword 'a -> mword 'a -> monad 'rv (mword 'a) 'e +let mod_vec l r = mod_mword l r +let mod_vec_maybe l r = mod_bv l r +let mod_vec_fail l r = maybe_fail "mod_vec" (mod_bv l r) +let mod_vec_oracle l r = + match (mod_bv l r) with + | Just w -> return w + | Nothing -> mword_oracle () + end + +val quot_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> mword 'a +val quot_vec_maybe : forall 'a. Size 'a => mword 'a -> mword 'a -> maybe (mword 'a) +val quot_vec_fail : forall 'rv 'a 'e. Size 'a => mword 'a -> mword 'a -> monad 'rv (mword 'a) 'e +val quot_vec_oracle : forall 'rv 'a 'e. Size 'a => mword 'a -> mword 'a -> monad 'rv (mword 'a) 'e +let quot_vec l r = quot_mword l r +let quot_vec_maybe l r = quot_bv l r +let quot_vec_fail l r = maybe_fail "quot_vec" (quot_bv l r) +let quot_vec_oracle l r = + match (quot_bv l r) with + | Just w -> return w + | Nothing -> mword_oracle () + end + +val quots_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> mword 'a +val quots_vec_maybe : forall 'a. Size 'a => mword 'a -> mword 'a -> maybe (mword 'a) +val quots_vec_fail : forall 'rv 'a 'e. Size 'a => mword 'a -> mword 'a -> monad 'rv (mword 'a) 'e +val quots_vec_oracle : forall 'rv 'a 'e. Size 'a => mword 'a -> mword 'a -> monad 'rv (mword 'a) 'e +let quots_vec l r = quots_mword l r +let quots_vec_maybe l r = quots_bv l r +let quots_vec_fail l r = maybe_fail "quots_vec" (quots_bv l r) +let quots_vec_oracle l r = + match (quots_bv l r) with + | Just w -> return w + | Nothing -> mword_oracle () + end + +val mod_vec_int : forall 'a. Size 'a => mword 'a -> integer -> mword 'a +val mod_vec_int_maybe : forall 'a. Size 'a => mword 'a -> integer -> maybe (mword 'a) +val mod_vec_int_fail : forall 'rv 'a 'e. Size 'a => mword 'a -> integer -> monad 'rv (mword 'a) 'e +val mod_vec_int_oracle : forall 'rv 'a 'e. Size 'a => mword 'a -> integer -> monad 'rv (mword 'a) 'e +let mod_vec_int l r = mod_mword_int l r +let mod_vec_int_maybe l r = mod_bv_int l r +let mod_vec_int_fail l r = maybe_fail "mod_vec_int" (mod_bv_int l r) +let mod_vec_int_oracle l r = + match (mod_bv_int l r) with + | Just w -> return w + | Nothing -> mword_oracle () + end + +val quot_vec_int : forall 'a. Size 'a => mword 'a -> integer -> mword 'a +val quot_vec_int_maybe : forall 'a. Size 'a => mword 'a -> integer -> maybe (mword 'a) +val quot_vec_int_fail : forall 'rv 'a 'e. Size 'a => mword 'a -> integer -> monad 'rv (mword 'a) 'e +val quot_vec_int_oracle : forall 'rv 'a 'e. Size 'a => mword 'a -> integer -> monad 'rv (mword 'a) 'e +let quot_vec_int l r = quot_mword_int l r +let quot_vec_int_maybe l r = quot_bv_int l r +let quot_vec_int_fail l r = maybe_fail "quot_vec_int" (quot_bv_int l r) +let quot_vec_int_oracle l r = + match (quot_bv_int l r) with + | Just w -> return w + | Nothing -> mword_oracle () + end + +val replicate_bits : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> mword 'b +let replicate_bits v count = wordFromBitlist (repeat (bitlistFromWord v) count) + +val duplicate_bool : forall 'a. Size 'a => bool -> integer -> mword 'a +let duplicate_bool b n = wordFromBitlist (repeat [b] n) +let duplicate_maybe b n = Maybe.map (fun b -> duplicate_bool b n) (bool_of_bitU b) +let duplicate_fail b n = bool_of_bitU_fail b >>= (fun b -> return (duplicate_bool b n)) +let duplicate_oracle b n = bool_of_bitU_oracle b >>= (fun b -> return (duplicate_bool b n)) +let duplicate b n = maybe_failwith (duplicate_maybe b n) + +val reverse_endianness : forall 'a. Size 'a => mword 'a -> mword 'a +let reverse_endianness v = wordFromBitlist (reverse_endianness_list (bitlistFromWord v)) + +val get_slice_int : forall 'a. Size 'a => integer -> integer -> integer -> mword 'a +let get_slice_int = get_slice_int_bv + +val set_slice_int : forall 'a. Size 'a => integer -> integer -> integer -> mword 'a -> integer +let set_slice_int = set_slice_int_bv + +val slice : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> integer -> mword 'b +let slice v lo len = + subrange_vec_dec v (lo + len - 1) lo + +val set_slice : forall 'a 'b. Size 'a, Size 'b => integer -> integer -> mword 'a -> integer -> mword 'b -> mword 'a +let set_slice (out_len:ii) (slice_len:ii) out (n:ii) v = + update_subrange_vec_dec out (n + slice_len - 1) n v + +val eq_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> bool +val neq_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> bool +let inline eq_vec = eq_mword +let inline neq_vec = neq_mword diff --git a/src/gen_lib/sail2_prompt.lem b/src/gen_lib/sail2_prompt.lem new file mode 100644 index 00000000..434df843 --- /dev/null +++ b/src/gen_lib/sail2_prompt.lem @@ -0,0 +1,115 @@ +open import Pervasives_extra +(*open import Sail_impl_base*) +open import Sail2_values +open import Sail2_prompt_monad +open import {isabelle} `Prompt_monad_lemmas` + +val (>>=) : forall 'rv 'a 'b 'e. monad 'rv 'a 'e -> ('a -> monad 'rv 'b 'e) -> monad 'rv 'b 'e +declare isabelle target_rep function (>>=) = infix `\` +let inline ~{isabelle} (>>=) = bind + +val (>>) : forall 'rv 'b 'e. monad 'rv unit 'e -> monad 'rv 'b 'e -> monad 'rv 'b 'e +declare isabelle target_rep function (>>) = infix `\` +let inline ~{isabelle} (>>) m n = m >>= fun (_ : unit) -> n + +val iter_aux : forall 'rv 'a 'e. integer -> (integer -> 'a -> monad 'rv unit 'e) -> list 'a -> monad 'rv unit 'e +let rec iter_aux i f xs = match xs with + | x :: xs -> f i x >> iter_aux (i + 1) f xs + | [] -> return () + end + +declare {isabelle} termination_argument iter_aux = automatic + +val iteri : forall 'rv 'a 'e. (integer -> 'a -> monad 'rv unit 'e) -> list 'a -> monad 'rv unit 'e +let iteri f xs = iter_aux 0 f xs + +val iter : forall 'rv 'a 'e. ('a -> monad 'rv unit 'e) -> list 'a -> monad 'rv unit 'e +let iter f xs = iteri (fun _ x -> f x) xs + +val foreachM : forall 'a 'rv 'vars 'e. + list 'a -> 'vars -> ('a -> 'vars -> monad 'rv 'vars 'e) -> monad 'rv 'vars 'e +let rec foreachM l vars body = +match l with +| [] -> return vars +| (x :: xs) -> + body x vars >>= fun vars -> + foreachM xs vars body +end + +declare {isabelle} termination_argument foreachM = automatic + +val and_boolM : forall 'rv 'e. monad 'rv bool 'e -> monad 'rv bool 'e -> monad 'rv bool 'e +let and_boolM l r = l >>= (fun l -> if l then r else return false) + +val or_boolM : forall 'rv 'e. monad 'rv bool 'e -> monad 'rv bool 'e -> monad 'rv bool 'e +let or_boolM l r = l >>= (fun l -> if l then return true else r) + +val bool_of_bitU_fail : forall 'rv 'e. bitU -> monad 'rv bool 'e +let bool_of_bitU_fail = function + | B0 -> return false + | B1 -> return true + | BU -> Fail "bool_of_bitU" +end + +val bool_of_bitU_oracle : forall 'rv 'e. bitU -> monad 'rv bool 'e +let bool_of_bitU_oracle = function + | B0 -> return false + | B1 -> return true + | BU -> undefined_bool () +end + +val bools_of_bits_oracle : forall 'rv 'e. list bitU -> monad 'rv (list bool) 'e +let bools_of_bits_oracle bits = + foreachM bits [] + (fun b bools -> + bool_of_bitU_oracle b >>= (fun b -> + return (bools ++ [b]))) + +val of_bits_oracle : forall 'rv 'a 'e. Bitvector 'a => list bitU -> monad 'rv 'a 'e +let of_bits_oracle bits = + bools_of_bits_oracle bits >>= (fun bs -> + return (of_bools bs)) + +val of_bits_fail : forall 'rv 'a 'e. Bitvector 'a => list bitU -> monad 'rv 'a 'e +let of_bits_fail bits = maybe_fail "of_bits" (of_bits bits) + +val mword_oracle : forall 'rv 'a 'e. Size 'a => unit -> monad 'rv (mword 'a) 'e +let mword_oracle () = + bools_of_bits_oracle (repeat [BU] (integerFromNat size)) >>= (fun bs -> + return (wordFromBitlist bs)) + +val whileM : forall 'rv 'vars 'e. 'vars -> ('vars -> monad 'rv bool 'e) -> + ('vars -> monad 'rv 'vars 'e) -> monad 'rv 'vars 'e +let rec whileM vars cond body = + cond vars >>= fun cond_val -> + if cond_val then + body vars >>= fun vars -> whileM vars cond body + else return vars + +val untilM : forall 'rv 'vars 'e. 'vars -> ('vars -> monad 'rv bool 'e) -> + ('vars -> monad 'rv 'vars 'e) -> monad 'rv 'vars 'e +let rec untilM vars cond body = + body vars >>= fun vars -> + cond vars >>= fun cond_val -> + if cond_val then return vars else untilM vars cond body + +(*let write_two_regs r1 r2 vec = + let is_inc = + let is_inc_r1 = is_inc_of_reg r1 in + let is_inc_r2 = is_inc_of_reg r2 in + let () = ensure (is_inc_r1 = is_inc_r2) + "write_two_regs called with vectors of different direction" in + is_inc_r1 in + + let (size_r1 : integer) = size_of_reg r1 in + let (start_vec : integer) = get_start vec in + let size_vec = length vec in + let r1_v = + if is_inc + then slice vec start_vec (size_r1 - start_vec - 1) + else slice vec start_vec (start_vec - size_r1 - 1) in + let r2_v = + if is_inc + then slice vec (size_r1 - start_vec) (size_vec - start_vec) + else slice vec (start_vec - size_r1) (start_vec - size_vec) in + write_reg r1 r1_v >> write_reg r2 r2_v*) diff --git a/src/gen_lib/sail2_prompt_monad.lem b/src/gen_lib/sail2_prompt_monad.lem new file mode 100644 index 00000000..745589e2 --- /dev/null +++ b/src/gen_lib/sail2_prompt_monad.lem @@ -0,0 +1,221 @@ +open import Pervasives_extra +(*open import Sail_impl_base*) +open import Sail2_instr_kinds +open import Sail2_values + +type register_name = string +type address = list bitU + +type monad 'regval 'a 'e = + | Done of 'a + (* Read a number of bytes from memory, returned in little endian order *) + | Read_mem of read_kind * address * nat * (list memory_byte -> monad 'regval 'a 'e) + (* Read the tag of a memory address *) + | Read_tag of address * (bitU -> monad 'regval 'a 'e) + (* Tell the system a write is imminent, at address lifted, of size nat *) + | Write_ea of write_kind * address * nat * monad 'regval 'a 'e + (* Request the result of store-exclusive *) + | Excl_res of (bool -> monad 'regval 'a 'e) + (* Request to write memory at last signalled address. Memory value should be 8 + times the size given in ea signal, given in little endian order *) + | Write_memv of list memory_byte * (bool -> monad 'regval 'a 'e) + (* Request to write the tag at given address. *) + | Write_tag of address * bitU * (bool -> monad 'regval 'a 'e) + (* Tell the system to dynamically recalculate dependency footprint *) + | Footprint of monad 'regval 'a 'e + (* Request a memory barrier *) + | Barrier of barrier_kind * monad 'regval 'a 'e + (* Request to read register, will track dependency when mode.track_values *) + | Read_reg of register_name * ('regval -> monad 'regval 'a 'e) + (* Request to write register *) + | Write_reg of register_name * 'regval * monad 'regval 'a 'e + | Undefined of (bool -> monad 'regval 'a 'e) + (* Print debugging or tracing information *) + | Print of string * monad 'regval 'a 'e + (*Result of a failed assert with possible error message to report*) + | Fail of string + (* Exception of type 'e *) + | Exception of 'e + +val return : forall 'rv 'a 'e. 'a -> monad 'rv 'a 'e +let return a = Done a + +val bind : forall 'rv 'a 'b 'e. monad 'rv 'a 'e -> ('a -> monad 'rv 'b 'e) -> monad 'rv 'b 'e +let rec bind m f = match m with + | Done a -> f a + | Read_mem rk a sz k -> Read_mem rk a sz (fun v -> bind (k v) f) + | Read_tag a k -> Read_tag a (fun v -> bind (k v) f) + | Write_memv descr k -> Write_memv descr (fun v -> bind (k v) f) + | Write_tag a t k -> Write_tag a t (fun v -> bind (k v) f) + | Read_reg descr k -> Read_reg descr (fun v -> bind (k v) f) + | Excl_res k -> Excl_res (fun v -> bind (k v) f) + | Undefined k -> Undefined (fun v -> bind (k v) f) + | Write_ea wk a sz k -> Write_ea wk a sz (bind k f) + | Footprint k -> Footprint (bind k f) + | Barrier bk k -> Barrier bk (bind k f) + | Write_reg r v k -> Write_reg r v (bind k f) + | Print msg k -> Print msg (bind k f) + | Fail descr -> Fail descr + | Exception e -> Exception e +end + +val exit : forall 'rv 'a 'e. unit -> monad 'rv 'a 'e +let exit () = Fail "exit" + +val undefined_bool : forall 'rv 'e. unit -> monad 'rv bool 'e +let undefined_bool () = Undefined return + +val assert_exp : forall 'rv 'e. bool -> string -> monad 'rv unit 'e +let assert_exp exp msg = if exp then Done () else Fail msg + +val throw : forall 'rv 'a 'e. 'e -> monad 'rv 'a 'e +let throw e = Exception e + +val try_catch : forall 'rv 'a 'e1 'e2. monad 'rv 'a 'e1 -> ('e1 -> monad 'rv 'a 'e2) -> monad 'rv 'a 'e2 +let rec try_catch m h = match m with + | Done a -> Done a + | Read_mem rk a sz k -> Read_mem rk a sz (fun v -> try_catch (k v) h) + | Read_tag a k -> Read_tag a (fun v -> try_catch (k v) h) + | Write_memv descr k -> Write_memv descr (fun v -> try_catch (k v) h) + | Write_tag a t k -> Write_tag a t (fun v -> try_catch (k v) h) + | Read_reg descr k -> Read_reg descr (fun v -> try_catch (k v) h) + | Excl_res k -> Excl_res (fun v -> try_catch (k v) h) + | Undefined k -> Undefined (fun v -> try_catch (k v) h) + | Write_ea wk a sz k -> Write_ea wk a sz (try_catch k h) + | Footprint k -> Footprint (try_catch k h) + | Barrier bk k -> Barrier bk (try_catch k h) + | Write_reg r v k -> Write_reg r v (try_catch k h) + | Print msg k -> Print msg (try_catch k h) + | Fail descr -> Fail descr + | Exception e -> h e +end + +(* For early return, we abuse exceptions by throwing and catching + the return value. The exception type is "either 'r 'e", where "Right e" + represents a proper exception and "Left r" an early return of value "r". *) +type monadR 'rv 'a 'r 'e = monad 'rv 'a (either 'r 'e) + +val early_return : forall 'rv 'a 'r 'e. 'r -> monadR 'rv 'a 'r 'e +let early_return r = throw (Left r) + +val catch_early_return : forall 'rv 'a 'e. monadR 'rv 'a 'a 'e -> monad 'rv 'a 'e +let catch_early_return m = + try_catch m + (function + | Left a -> return a + | Right e -> throw e + end) + +(* Lift to monad with early return by wrapping exceptions *) +val liftR : forall 'rv 'a 'r 'e. monad 'rv 'a 'e -> monadR 'rv 'a 'r 'e +let liftR m = try_catch m (fun e -> throw (Right e)) + +(* Catch exceptions in the presence of early returns *) +val try_catchR : forall 'rv 'a 'r 'e1 'e2. monadR 'rv 'a 'r 'e1 -> ('e1 -> monadR 'rv 'a 'r 'e2) -> monadR 'rv 'a 'r 'e2 +let try_catchR m h = + try_catch m + (function + | Left r -> throw (Left r) + | Right e -> h e + end) + +val maybe_fail : forall 'rv 'a 'e. string -> maybe 'a -> monad 'rv 'a 'e +let maybe_fail msg = function + | Just a -> return a + | Nothing -> Fail msg +end + +val read_mem_bytes : forall 'rv 'a 'b 'e. Bitvector 'a, Bitvector 'b => read_kind -> 'a -> integer -> monad 'rv (list memory_byte) 'e +let read_mem_bytes rk addr sz = + Read_mem rk (bits_of addr) (nat_of_int sz) return + +val read_mem : forall 'rv 'a 'b 'e. Bitvector 'a, Bitvector 'b => read_kind -> 'a -> integer -> monad 'rv 'b 'e +let read_mem rk addr sz = + bind + (read_mem_bytes rk addr sz) + (fun bytes -> + maybe_fail "bits_of_mem_bytes" (of_bits (bits_of_mem_bytes bytes))) + +val read_tag : forall 'rv 'a 'e. Bitvector 'a => 'a -> monad 'rv bitU 'e +let read_tag addr = Read_tag (bits_of addr) return + +val excl_result : forall 'rv 'e. unit -> monad 'rv bool 'e +let excl_result () = + let k successful = (return successful) in + Excl_res k + +val write_mem_ea : forall 'rv 'a 'e. Bitvector 'a => write_kind -> 'a -> integer -> monad 'rv unit 'e +let write_mem_ea wk addr sz = Write_ea wk (bits_of addr) (nat_of_int sz) (Done ()) + +val write_mem_val : forall 'rv 'a 'e. Bitvector 'a => 'a -> monad 'rv bool 'e +let write_mem_val v = match mem_bytes_of_bits v with + | Just v -> Write_memv v return + | Nothing -> Fail "write_mem_val" +end + +val write_tag : forall 'rv 'a 'e. Bitvector 'a => 'a -> bitU -> monad 'rv bool 'e +let write_tag addr b = Write_tag (bits_of addr) b return + +val read_reg : forall 's 'rv 'a 'e. register_ref 's 'rv 'a -> monad 'rv 'a 'e +let read_reg reg = + let k v = + match reg.of_regval v with + | Just v -> Done v + | Nothing -> Fail "read_reg: unrecognised value" + end + in + Read_reg reg.name k + +(* TODO +val read_reg_range : forall 's 'r 'rv 'a 'e. Bitvector 'a => register_ref 's 'rv 'r -> integer -> integer -> monad 'rv 'a 'e +let read_reg_range reg i j = + read_reg_aux of_bits (external_reg_slice reg (nat_of_int i,nat_of_int j)) + +let read_reg_bit reg i = + read_reg_aux (fun v -> v) (external_reg_slice reg (nat_of_int i,nat_of_int i)) >>= fun v -> + return (extract_only_element v) + +let read_reg_field reg regfield = + read_reg_aux (external_reg_field_whole reg regfield) + +let read_reg_bitfield reg regfield = + read_reg_aux (external_reg_field_whole reg regfield) >>= fun v -> + return (extract_only_element v)*) + +let reg_deref = read_reg + +val write_reg : forall 's 'rv 'a 'e. register_ref 's 'rv 'a -> 'a -> monad 'rv unit 'e +let write_reg reg v = Write_reg reg.name (reg.regval_of v) (Done ()) + +(* TODO +let write_reg reg v = + write_reg_aux (external_reg_whole reg) v +let write_reg_range reg i j v = + write_reg_aux (external_reg_slice reg (nat_of_int i,nat_of_int j)) v +let write_reg_pos reg i v = + let iN = nat_of_int i in + write_reg_aux (external_reg_slice reg (iN,iN)) [v] +let write_reg_bit = write_reg_pos +let write_reg_field reg regfield v = + write_reg_aux (external_reg_field_whole reg regfield.field_name) v +let write_reg_field_bit reg regfield bit = + write_reg_aux (external_reg_field_whole reg regfield.field_name) + (Vector [bit] 0 (is_inc_of_reg reg)) +let write_reg_field_range reg regfield i j v = + write_reg_aux (external_reg_field_slice reg regfield.field_name (nat_of_int i,nat_of_int j)) v +let write_reg_field_pos reg regfield i v = + write_reg_field_range reg regfield i i [v] +let write_reg_field_bit = write_reg_field_pos*) + +val barrier : forall 'rv 'e. barrier_kind -> monad 'rv unit 'e +let barrier bk = Barrier bk (Done ()) + +val footprint : forall 'rv 'e. unit -> monad 'rv unit 'e +let footprint _ = Footprint (Done ()) + +(* Define a type synonym that also takes the register state as a type parameter, + in order to make switching to the state monad without changing generated + definitions easier, see also lib/hol/prompt_monad.lem. *) + +type base_monad 'regval 'regstate 'a 'e = monad 'regval 'a 'e +type base_monadR 'regval 'regstate 'a 'r 'e = monadR 'regval 'a 'r 'e diff --git a/src/gen_lib/sail2_state.lem b/src/gen_lib/sail2_state.lem new file mode 100644 index 00000000..82ac35d8 --- /dev/null +++ b/src/gen_lib/sail2_state.lem @@ -0,0 +1,85 @@ +open import Pervasives_extra +open import Sail2_values +open import Sail2_state_monad +open import {isabelle} `Sail2_state_monad_lemmas` + +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 >>$= fun vars -> + foreachS xs vars body +end + +declare {isabelle} termination_argument foreachS = automatic + +val and_boolS : forall 'rv 'e. monadS 'rv bool 'e -> monadS 'rv bool 'e -> monadS 'rv bool 'e +let and_boolS l r = l >>$= (fun l -> if l then r else returnS false) + +val or_boolS : forall 'rv 'e. monadS 'rv bool 'e -> monadS 'rv bool 'e -> monadS 'rv bool 'e +let or_boolS l r = l >>$= (fun l -> if l then returnS true else r) + +val bool_of_bitU_fail : forall 'rv 'e. bitU -> monadS 'rv bool 'e +let bool_of_bitU_fail = function + | B0 -> returnS false + | B1 -> returnS true + | BU -> failS "bool_of_bitU" +end + +val bool_of_bitU_oracleS : forall 'rv 'e. bitU -> monadS 'rv bool 'e +let bool_of_bitU_oracleS = function + | B0 -> returnS false + | B1 -> returnS true + | BU -> undefined_boolS () +end + +val bools_of_bits_oracleS : forall 'rv 'e. list bitU -> monadS 'rv (list bool) 'e +let bools_of_bits_oracleS bits = + foreachS bits [] + (fun b bools -> + bool_of_bitU_oracleS b >>$= (fun b -> + returnS (bools ++ [b]))) + +val of_bits_oracleS : forall 'rv 'a 'e. Bitvector 'a => list bitU -> monadS 'rv 'a 'e +let of_bits_oracleS bits = + bools_of_bits_oracleS bits >>$= (fun bs -> + returnS (of_bools bs)) + +val of_bits_failS : forall 'rv 'a 'e. Bitvector 'a => list bitU -> monadS 'rv 'a 'e +let of_bits_failS bits = maybe_failS "of_bits" (of_bits bits) + +val mword_oracleS : forall 'rv 'a 'e. Size 'a => unit -> monadS 'rv (mword 'a) 'e +let mword_oracleS () = + bools_of_bits_oracleS (repeat [BU] (integerFromNat size)) >>$= (fun bs -> + returnS (wordFromBitlist bs)) + + +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 diff --git a/src/gen_lib/sail2_state_lifting.lem b/src/gen_lib/sail2_state_lifting.lem new file mode 100644 index 00000000..039343e2 --- /dev/null +++ b/src/gen_lib/sail2_state_lifting.lem @@ -0,0 +1,27 @@ +open import Pervasives_extra +open import Sail2_values +open import Sail2_prompt_monad +open import Sail2_prompt +open import Sail2_state_monad +open import {isabelle} `Sail2_state_monad_lemmas` + +(* 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_tag a t k) -> bindS (write_tagS a 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)) + | (Undefined k) -> bindS (undefined_boolS ()) (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 + | (Print _ k) -> liftState ra k (* TODO *) + | (Fail descr) -> failS descr + | (Exception e) -> throwS e +end diff --git a/src/gen_lib/sail2_state_monad.lem b/src/gen_lib/sail2_state_monad.lem new file mode 100644 index 00000000..f207699f --- /dev/null +++ b/src/gen_lib/sail2_state_monad.lem @@ -0,0 +1,280 @@ +open import Pervasives_extra +open import Sail2_instr_kinds +open import Sail2_values + +(* 'a is result type *) + +type memstate = map integer memory_byte +type tagstate = map integer bitU +(* type regstate = map string (vector bitU) *) + +type sequential_state 'regs = + <| regstate : 'regs; + memstate : memstate; + tagstate : tagstate; + write_ea : maybe (write_kind * integer * integer); + last_exclusive_operation_was_load : bool; + (* Random bool generator for use as an undefined bit oracle *) + next_bool : nat -> (bool * nat); + seed : nat |> + +val init_state : forall 'regs. 'regs -> (nat -> (bool* nat)) -> nat -> sequential_state 'regs +let init_state regs o s = + <| regstate = regs; + memstate = Map.empty; + tagstate = Map.empty; + write_ea = Nothing; + last_exclusive_operation_was_load = false; + next_bool = o; + seed = s |> + +type ex 'e = + | Failure of string + | Throw of 'e + +type result 'a 'e = + | Value of 'a + | Ex of (ex 'e) + +(* State, nondeterminism and exception monad with result value type 'a + and exception type 'e. *) +type monadS 'regs 'a 'e = sequential_state 'regs -> set (result 'a 'e * sequential_state 'regs) + +val returnS : forall 'regs 'a 'e. 'a -> monadS 'regs 'a 'e +let returnS a s = {(Value a,s)} + +val bindS : forall 'regs 'a 'b 'e. monadS 'regs 'a 'e -> ('a -> monadS 'regs 'b 'e) -> monadS 'regs 'b 'e +let bindS m f (s : sequential_state 'regs) = + Set.bigunion (Set.map (function + | (Value a, s') -> f a s' + | (Ex e, s') -> {(Ex e, s')} + end) (m s)) + +val seqS: forall 'regs 'b 'e. monadS 'regs unit 'e -> monadS 'regs 'b 'e -> monadS 'regs 'b 'e +let seqS m n = bindS m (fun (_ : unit) -> n) + +let inline (>>$=) = bindS +let inline (>>$) = seqS + +val chooseS : forall 'regs 'a 'e. SetType 'a => set 'a -> monadS 'regs 'a 'e +let chooseS xs s = Set.map (fun x -> (Value x, s)) xs + +val readS : forall 'regs 'a 'e. (sequential_state 'regs -> 'a) -> monadS 'regs 'a 'e +let readS f = (fun s -> returnS (f s) s) + +val updateS : forall 'regs 'e. (sequential_state 'regs -> sequential_state 'regs) -> monadS 'regs unit 'e +let updateS f = (fun s -> returnS () (f s)) + +val failS : forall 'regs 'a 'e. string -> monadS 'regs 'a 'e +let failS msg s = {(Ex (Failure msg), s)} + +val undefined_boolS : forall 'regval 'regs 'a 'e. unit -> monadS 'regs bool 'e +let undefined_boolS () = + readS (fun s -> s.next_bool (s.seed)) >>$= (fun (b, seed) -> + updateS (fun s -> <| s with seed = seed |>) >>$ + returnS b) + +val exitS : forall 'regs 'e 'a. unit -> monadS 'regs 'a 'e +let exitS () = failS "exit" + +val throwS : forall 'regs 'a 'e. 'e -> monadS 'regs 'a 'e +let throwS e s = {(Ex (Throw e), s)} + +val try_catchS : forall 'regs 'a 'e1 'e2. monadS 'regs 'a 'e1 -> ('e1 -> monadS 'regs 'a 'e2) -> monadS 'regs 'a 'e2 +let try_catchS m h s = + Set.bigunion (Set.map (function + | (Value a, s') -> returnS a s' + | (Ex (Throw e), s') -> h e s' + | (Ex (Failure msg), s') -> {(Ex (Failure msg), s')} + end) (m s)) + +val assert_expS : forall 'regs 'e. bool -> string -> monadS 'regs unit 'e +let assert_expS exp msg = if exp then returnS () else failS msg + +(* For early return, we abuse exceptions by throwing and catching + the return value. The exception type is "either 'r 'e", where "Right e" + represents a proper exception and "Left r" an early return of value "r". *) +type monadRS 'regs 'a 'r 'e = monadS 'regs 'a (either 'r 'e) + +val early_returnS : forall 'regs 'a 'r 'e. 'r -> monadRS 'regs 'a 'r 'e +let early_returnS r = throwS (Left r) + +val catch_early_returnS : forall 'regs 'a 'e. monadRS 'regs 'a 'a 'e -> monadS 'regs 'a 'e +let catch_early_returnS m = + try_catchS m + (function + | Left a -> returnS a + | Right e -> throwS e + end) + +(* Lift to monad with early return by wrapping exceptions *) +val liftRS : forall 'a 'r 'regs 'e. monadS 'regs 'a 'e -> monadRS 'regs 'a 'r 'e +let liftRS m = try_catchS m (fun e -> throwS (Right e)) + +(* Catch exceptions in the presence of early returns *) +val try_catchRS : forall 'regs 'a 'r 'e1 'e2. monadRS 'regs 'a 'r 'e1 -> ('e1 -> monadRS 'regs 'a 'r 'e2) -> monadRS 'regs 'a 'r 'e2 +let try_catchRS m h = + try_catchS m + (function + | Left r -> throwS (Left r) + | Right e -> h e + end) + +val maybe_failS : forall 'regs 'a 'e. string -> maybe 'a -> monadS 'regs 'a 'e +let maybe_failS msg = function + | Just a -> returnS a + | Nothing -> failS msg +end + +val read_tagS : forall 'regs 'a 'e. Bitvector 'a => 'a -> monadS 'regs bitU 'e +let read_tagS addr = + maybe_failS "unsigned" (unsigned addr) >>$= (fun addr -> + readS (fun s -> fromMaybe B0 (Map.lookup addr s.tagstate))) + +(* Read bytes from memory and return in little endian order *) +val read_mem_bytesS : forall 'regs 'e 'a. Bitvector 'a => read_kind -> 'a -> nat -> monadS 'regs (list memory_byte) 'e +let read_mem_bytesS read_kind addr sz = + maybe_failS "unsigned" (unsigned addr) >>$= (fun addr -> + let sz = integerFromNat sz in + let addrs = index_list addr (addr+sz-1) 1 in + let read_byte s addr = Map.lookup addr s.memstate in + readS (fun s -> just_list (List.map (read_byte s) addrs)) >>$= (function + | Just mem_val -> + updateS (fun s -> + if read_is_exclusive read_kind + then <| s with last_exclusive_operation_was_load = true |> + else s) >>$ + returnS mem_val + | Nothing -> failS "read_memS" + end)) + +val read_memS : forall 'regs 'e 'a 'b. Bitvector 'a, Bitvector 'b => read_kind -> 'a -> integer -> monadS 'regs 'b 'e +let read_memS rk a sz = + read_mem_bytesS rk a (nat_of_int sz) >>$= (fun bytes -> + maybe_failS "bits_of_mem_bytes" (of_bits (bits_of_mem_bytes bytes))) + +val excl_resultS : forall 'regs 'e. unit -> monadS 'regs bool 'e +let excl_resultS () = + readS (fun s -> s.last_exclusive_operation_was_load) >>$= (fun excl_load -> + updateS (fun s -> <| s with last_exclusive_operation_was_load = false |>) >>$ + chooseS (if excl_load then {false; true} else {false})) + +val write_mem_eaS : forall 'regs 'e 'a. Bitvector 'a => write_kind -> 'a -> nat -> monadS 'regs unit 'e +let write_mem_eaS write_kind addr sz = + maybe_failS "unsigned" (unsigned addr) >>$= (fun addr -> + let sz = integerFromNat sz in + updateS (fun s -> <| s with write_ea = Just (write_kind, addr, sz) |>)) + +(* Write little-endian list of bytes to previously announced address *) +val write_mem_bytesS : forall 'regs 'e. list memory_byte -> monadS 'regs bool 'e +let write_mem_bytesS v = + readS (fun s -> s.write_ea) >>$= (function + | Nothing -> failS "write ea has not been announced yet" + | Just (_, addr, sz) -> + let addrs = index_list addr (addr+sz-1) 1 in + (*let v = external_mem_value (bits_of v) in*) + let a_v = List.zip addrs v in + let write_byte mem (addr, v) = Map.insert addr v mem in + updateS (fun s -> + <| s with memstate = List.foldl write_byte s.memstate a_v |>) >>$ + returnS true + end) + +val write_mem_valS : forall 'regs 'e 'a. Bitvector 'a => 'a -> monadS 'regs bool 'e +let write_mem_valS v = match mem_bytes_of_bits v with + | Just v -> write_mem_bytesS v + | Nothing -> failS "write_mem_val" +end + +val write_tagS : forall 'regs 'a 'e. Bitvector 'a => 'a -> bitU -> monadS 'regs bool 'e +let write_tagS addr t = + maybe_failS "unsigned" (unsigned addr) >>$= (fun addr -> + updateS (fun s -> <| s with tagstate = Map.insert addr t s.tagstate |>) >>$ + returnS true) + +val read_regS : forall 'regs 'rv 'a 'e. register_ref 'regs 'rv 'a -> monadS 'regs 'a 'e +let read_regS reg = readS (fun s -> reg.read_from s.regstate) + +(* TODO +let read_reg_range reg i j state = + let v = slice (get_reg state (name_of_reg reg)) i j in + [(Value (vec_to_bvec v),state)] +let read_reg_bit reg i state = + let v = access (get_reg state (name_of_reg reg)) i in + [(Value v,state)] +let read_reg_field reg regfield = + let (i,j) = register_field_indices reg regfield in + read_reg_range reg i j +let read_reg_bitfield reg regfield = + let (i,_) = register_field_indices reg regfield in + read_reg_bit reg i *) + +val read_regvalS : forall 'regs 'rv 'e. + register_accessors 'regs 'rv -> string -> monadS 'regs 'rv 'e +let read_regvalS (read, _) reg = + readS (fun s -> read reg s.regstate) >>$= (function + | Just v -> returnS v + | Nothing -> failS ("read_regvalS " ^ reg) + end) + +val write_regvalS : forall 'regs 'rv 'e. + register_accessors 'regs 'rv -> string -> 'rv -> monadS 'regs unit 'e +let write_regvalS (_, write) reg v = + readS (fun s -> write reg v s.regstate) >>$= (function + | Just rs' -> updateS (fun s -> <| s with regstate = rs' |>) + | Nothing -> failS ("write_regvalS " ^ reg) + end) + +val write_regS : forall 'regs 'rv 'a 'e. register_ref 'regs 'rv 'a -> 'a -> monadS 'regs unit 'e +let write_regS reg v = + updateS (fun s -> <| s with regstate = reg.write_to v s.regstate |>) + +(* TODO +val update_reg : forall 'regs 'rv 'a 'b 'e. register_ref 'regs 'rv 'a -> ('a -> 'b -> 'a) -> 'b -> monadS 'regs unit 'e +let update_reg reg f v state = + let current_value = get_reg state reg in + let new_value = f current_value v in + [(Value (), set_reg state reg new_value)] + +let write_reg_field reg regfield = update_reg reg regfield.set_field + +val update_reg_range : forall 'regs 'rv 'a 'b. Bitvector 'a, Bitvector 'b => register_ref 'regs 'rv 'a -> integer -> integer -> 'a -> 'b -> 'a +let update_reg_range reg i j reg_val new_val = set_bits (reg.is_inc) reg_val i j (bits_of new_val) +let write_reg_range reg i j = update_reg reg (update_reg_range reg i j) + +let update_reg_pos reg i reg_val x = update_list reg.is_inc reg_val i x +let write_reg_pos reg i = update_reg reg (update_reg_pos reg i) + +let update_reg_bit reg i reg_val bit = set_bit (reg.is_inc) reg_val i (to_bitU bit) +let write_reg_bit reg i = update_reg reg (update_reg_bit reg i) + +let update_reg_field_range regfield i j reg_val new_val = + let current_field_value = regfield.get_field reg_val in + let new_field_value = set_bits (regfield.field_is_inc) current_field_value i j (bits_of new_val) in + regfield.set_field reg_val new_field_value +let write_reg_field_range reg regfield i j = update_reg reg (update_reg_field_range regfield i j) + +let update_reg_field_pos regfield i reg_val x = + let current_field_value = regfield.get_field reg_val in + let new_field_value = update_list regfield.field_is_inc current_field_value i x in + regfield.set_field reg_val new_field_value +let write_reg_field_pos reg regfield i = update_reg reg (update_reg_field_pos regfield i) + +let update_reg_field_bit regfield i reg_val bit = + let current_field_value = regfield.get_field reg_val in + let new_field_value = set_bit (regfield.field_is_inc) current_field_value i (to_bitU bit) in + regfield.set_field reg_val new_field_value +let write_reg_field_bit reg regfield i = update_reg reg (update_reg_field_bit regfield i)*) + +(* TODO Add Show typeclass for value and exception type *) +val show_result : forall 'a 'e. result 'a 'e -> string +let show_result = function + | Value _ -> "Value ()" + | Ex (Failure msg) -> "Failure " ^ msg + | Ex (Throw _) -> "Throw" +end + +val prerr_results : forall 'a 'e 's. SetType 's => set (result 'a 'e * 's) -> unit +let prerr_results rs = + let _ = Set.map (fun (r, _) -> let _ = prerr_endline (show_result r) in ()) rs in + () diff --git a/src/gen_lib/sail2_string.lem b/src/gen_lib/sail2_string.lem new file mode 100644 index 00000000..329da942 --- /dev/null +++ b/src/gen_lib/sail2_string.lem @@ -0,0 +1,161 @@ +open import Pervasives +open import List +open import List_extra +open import String +open import String_extra + +open import Sail2_operators_mwords +open import Sail2_values + +val string_sub : string -> ii -> ii -> string +let string_sub str start len = + toString (take (natFromInteger len) (drop (natFromInteger start) (toCharList str))) + +val string_startswith : string -> string -> bool +let string_startswith str1 str2 = + let prefix = string_sub str1 0 (integerFromNat (stringLength str2)) in + (prefix = str2) + +val string_drop : string -> ii -> string +let string_drop str n = + toString (drop (natFromInteger n) (toCharList str)) + +val string_length : string -> ii +let string_length s = integerFromNat (stringLength s) + +let string_append = stringAppend + +(*********************************************** + * Begin stuff that should be in Lem Num_extra * + ***********************************************) + +val maybeIntegerOfString : string -> maybe integer + +declare ocaml target_rep function maybeIntegerOfString = `(fun s -> match int_of_string_opt s with None -> None | Some i -> Nat_big_num.of_int i)` +declare isabelle target_rep function maybeIntegerOfString = `maybeIntegerOfString` (* TODO FIXME *) +declare hol target_rep function maybeIntegerOfString = `maybeIntegerOfString` (* TODO FIXME *) + +(*********************************************** + * end stuff that should be in Lem Num_extra * + ***********************************************) + +let rec maybe_int_of_prefix s = + match s with + | "" -> Nothing + | str -> + let len = string_length str in + match maybeIntegerOfString str with + | Just n -> Just (n, len) + | Nothing -> maybe_int_of_prefix (string_sub str 0 (len - 1)) + end + end + +let maybe_int_of_string = maybeIntegerOfString + +val n_leading_spaces : string -> ii +let rec n_leading_spaces s = + match string_length s with + | 0 -> 0 + | 1 -> match s with + | " " -> 1 + | _ -> 0 + end + | len -> match nth s 0 with + | #' ' -> 1 + (n_leading_spaces (string_sub s 1 (len - 1))) + | _ -> 0 + end + end + +let opt_spc_matches_prefix s = + Just ((), n_leading_spaces s) + +let spc_matches_prefix s = + let n = n_leading_spaces s in + match n with + | 0 -> Nothing + | n -> Just ((), n) + end + +let hex_bits_5_matches_prefix s = + match maybe_int_of_prefix s with + | Nothing -> Nothing + | Just (n, len) -> + if 0 <= n && n < 32 then + Just ((of_int 5 n, len)) + else + Nothing + end + +let hex_bits_6_matches_prefix s = + match maybe_int_of_prefix s with + | Nothing -> Nothing + | Just (n, len) -> + if 0 <= n && n < 64 then + Just ((of_int 6 n, len)) + else + Nothing + end + +let hex_bits_12_matches_prefix s = + match maybe_int_of_prefix s with + | Nothing -> Nothing + | Just (n, len) -> + if 0 <= n && n < 4096 then + Just ((of_int 12 n, len)) + else + Nothing + end + +let hex_bits_13_matches_prefix s = + match maybe_int_of_prefix s with + | Nothing -> Nothing + | Just (n, len) -> + if 0 <= n && n < 8192 then + Just ((of_int 13 n, len)) + else + Nothing + end + +let hex_bits_16_matches_prefix s = + match maybe_int_of_prefix s with + | Nothing -> Nothing + | Just (n, len) -> + if 0 <= n && n < 65536 then + Just ((of_int 16 n, len)) + else + Nothing + end + + +let hex_bits_20_matches_prefix s = + match maybe_int_of_prefix s with + | Nothing -> Nothing + | Just (n, len) -> + if 0 <= n && n < 1048576 then + Just ((of_int 20 n, len)) + else + Nothing + end + +let hex_bits_21_matches_prefix s = + match maybe_int_of_prefix s with + | Nothing -> Nothing + | Just (n, len) -> + if 0 <= n && n < 2097152 then + Just ((of_int 21 n, len)) + else + Nothing + end + +let hex_bits_32_matches_prefix s = + match maybe_int_of_prefix s with + | Nothing -> Nothing + | Just (n, len) -> + if 0 <= n && n < 4294967296 then + Just ((of_int 2147483648 n, len)) + else + Nothing + end + + +let string_of_bits = string_of_vec diff --git a/src/gen_lib/sail2_values.lem b/src/gen_lib/sail2_values.lem new file mode 100644 index 00000000..0f384cab --- /dev/null +++ b/src/gen_lib/sail2_values.lem @@ -0,0 +1,949 @@ +open import Pervasives_extra +open import Machine_word +(*open import Sail_impl_base*) + + +type ii = integer +type nn = natural + +val nat_of_int : integer -> nat +let nat_of_int i = if i < 0 then 0 else natFromInteger i + +val pow : integer -> integer -> integer +let pow m n = m ** (nat_of_int n) + +let pow2 n = pow 2 n + +let inline lt = (<) +let inline gt = (>) +let inline lteq = (<=) +let inline gteq = (>=) + +val eq : forall 'a. Eq 'a => 'a -> 'a -> bool +let inline eq l r = (l = r) + +val neq : forall 'a. Eq 'a => 'a -> 'a -> bool +let inline neq l r = (l <> r) + +(*let add_int l r = integerAdd l r +let add_signed l r = integerAdd l r +let sub_int l r = integerMinus l r +let mult_int l r = integerMult l r +let div_int l r = integerDiv l r +let div_nat l r = natDiv l r +let power_int_nat l r = integerPow l r +let power_int_int l r = integerPow l (nat_of_int r) +let negate_int i = integerNegate i +let min_int l r = integerMin l r +let max_int l r = integerMax l r + +let add_real l r = realAdd l r +let sub_real l r = realMinus l r +let mult_real l r = realMult l r +let div_real l r = realDiv l r +let negate_real r = realNegate r +let abs_real r = realAbs r +let power_real b e = realPowInteger b e*) + +val print_endline : string -> unit +let print_endline _ = () +declare ocaml target_rep function print_endline = `print_endline` + +val prerr_endline : string -> unit +let prerr_endline _ = () +declare ocaml target_rep function prerr_endline = `prerr_endline` + +val print_int : string -> integer -> unit +let print_int msg i = print_endline (msg ^ (stringFromInteger i)) + +val prerr_int : string -> integer -> unit +let prerr_int msg i = prerr_endline (msg ^ (stringFromInteger i)) + +val putchar : integer -> unit +let putchar _ = () +declare ocaml target_rep function putchar i = (`print_char` (`char_of_int` (`Nat_big_num.to_int` i))) + +val shr_int : ii -> ii -> ii +let rec shr_int x s = if s > 0 then shr_int (x / 2) (s - 1) else x + +val shl_int : integer -> integer -> integer +let rec shl_int i shift = if shift > 0 then 2 * shl_int i (shift - 1) else i + +let inline or_bool l r = (l || r) +let inline and_bool l r = (l && r) +let inline xor_bool l r = xor l r + +let inline append_list l r = l ++ r +let inline length_list xs = integerFromNat (List.length xs) +let take_list n xs = List.take (nat_of_int n) xs +let drop_list n xs = List.drop (nat_of_int n) xs + +val repeat : forall 'a. list 'a -> integer -> list 'a +let rec repeat xs n = + if n <= 0 then [] + else xs ++ repeat xs (n-1) +declare {isabelle} termination_argument repeat = automatic + +let duplicate_to_list bit length = repeat [bit] length + +let rec replace bs (n : integer) b' = match bs with + | [] -> [] + | b :: bs -> + if n = 0 then b' :: bs + else b :: replace bs (n - 1) b' + end +declare {isabelle; hol} termination_argument replace = automatic + +let upper n = n + +(* Modulus operation corresponding to quot below -- result + has sign of dividend. *) +let hardware_mod (a: integer) (b:integer) : integer = + let m = (abs a) mod (abs b) in + if a < 0 then ~m else m + +(* There are different possible answers for integer divide regarding +rounding behaviour on negative operands. Positive operands always +round down so derive the one we want (trucation towards zero) from +that *) +let hardware_quot (a:integer) (b:integer) : integer = + let q = (abs a) / (abs b) in + if ((a<0) = (b<0)) then + q (* same sign -- result positive *) + else + ~q (* different sign -- result negative *) + +let max_64u = (integerPow 2 64) - 1 +let max_64 = (integerPow 2 63) - 1 +let min_64 = 0 - (integerPow 2 63) +let max_32u = (4294967295 : integer) +let max_32 = (2147483647 : integer) +let min_32 = (0 - 2147483648 : integer) +let max_8 = (127 : integer) +let min_8 = (0 - 128 : integer) +let max_5 = (31 : integer) +let min_5 = (0 - 32 : integer) + +(* just_list takes a list of maybes and returns Just xs if all elements have + a value, and Nothing if one of the elements is Nothing. *) +val just_list : forall 'a. list (maybe 'a) -> maybe (list 'a) +let rec just_list l = match l with + | [] -> Just [] + | (x :: xs) -> + match (x, just_list xs) with + | (Just x, Just xs) -> Just (x :: xs) + | (_, _) -> Nothing + end + end +declare {isabelle; hol} termination_argument just_list = automatic + +lemma just_list_spec: + ((forall xs. (just_list xs = Nothing) <-> List.elem Nothing xs) && + (forall xs es. (just_list xs = Just es) <-> (xs = List.map Just es))) + +val maybe_failwith : forall 'a. maybe 'a -> 'a +let maybe_failwith = function + | Just a -> a + | Nothing -> failwith "maybe_failwith" +end + +(*** Bits *) +type bitU = B0 | B1 | BU + +let showBitU = function + | B0 -> "O" + | B1 -> "I" + | BU -> "U" +end + +let bitU_char = function + | B0 -> #'0' + | B1 -> #'1' + | BU -> #'?' +end + +instance (Show bitU) + let show = showBitU +end + +val compare_bitU : bitU -> bitU -> ordering +let compare_bitU l r = match (l, r) with + | (BU, BU) -> EQ + | (B0, B0) -> EQ + | (B1, B1) -> EQ + | (BU, _) -> LT + | (_, BU) -> GT + | (B0, _) -> LT + | (_, _) -> GT +end + +instance (Ord bitU) + let compare = compare_bitU + let (<) l r = (compare_bitU l r) = LT + let (<=) l r = (compare_bitU l r) <> GT + let (>) l r = (compare_bitU l r) = GT + let (>=) l r = (compare_bitU l r) <> LT +end + +class (BitU 'a) + val to_bitU : 'a -> bitU + val of_bitU : bitU -> 'a +end + +instance (BitU bitU) + let to_bitU b = b + let of_bitU b = b +end + +let bool_of_bitU = function + | B0 -> Just false + | B1 -> Just true + | BU -> Nothing + end + +let bitU_of_bool b = if b then B1 else B0 + +(*instance (BitU bool) + let to_bitU = bitU_of_bool + let of_bitU = bool_of_bitU +end*) + +let cast_bit_bool = bool_of_bitU + +let not_bit = function + | B1 -> B0 + | B0 -> B1 + | BU -> BU + end + +val is_one : integer -> bitU +let is_one i = + if i = 1 then B1 else B0 + +val and_bit : bitU -> bitU -> bitU +let and_bit x y = + match (x, y) with + | (B0, _) -> B0 + | (_, B0) -> B0 + | (B1, B1) -> B1 + | (_, _) -> BU + end + +val or_bit : bitU -> bitU -> bitU +let or_bit x y = + match (x, y) with + | (B1, _) -> B1 + | (_, B1) -> B1 + | (B0, B0) -> B0 + | (_, _) -> BU + end + +val xor_bit : bitU -> bitU -> bitU +let xor_bit x y= + match (x, y) with + | (B0, B0) -> B0 + | (B0, B1) -> B1 + | (B1, B0) -> B1 + | (B1, B1) -> B0 + | (_, _) -> BU + end + +val (&.) : bitU -> bitU -> bitU +let inline (&.) x y = and_bit x y + +val (|.) : bitU -> bitU -> bitU +let inline (|.) x y = or_bit x y + +val (+.) : bitU -> bitU -> bitU +let inline (+.) x y = xor_bit x y + + +(*** Bool lists ***) + +val bools_of_nat_aux : integer -> natural -> list bool -> list bool +let rec bools_of_nat_aux len x acc = + if len <= 0 then acc + else bools_of_nat_aux (len - 1) (x / 2) ((if x mod 2 = 1 then true else false) :: acc) + (*else (if x mod 2 = 1 then true else false) :: bools_of_nat_aux (x / 2)*) +declare {isabelle} termination_argument bools_of_nat_aux = automatic +let bools_of_nat len n = bools_of_nat_aux len n [] (*List.reverse (bools_of_nat_aux n)*) + +val nat_of_bools_aux : natural -> list bool -> natural +let rec nat_of_bools_aux acc bs = match bs with + | [] -> acc + | true :: bs -> nat_of_bools_aux ((2 * acc) + 1) bs + | false :: bs -> nat_of_bools_aux (2 * acc) bs +end +declare {isabelle; hol} termination_argument nat_of_bools_aux = automatic +let nat_of_bools bs = nat_of_bools_aux 0 bs + +val unsigned_of_bools : list bool -> integer +let unsigned_of_bools bs = integerFromNatural (nat_of_bools bs) + +val signed_of_bools : list bool -> integer +let signed_of_bools bs = + match bs with + | true :: _ -> 0 - (1 + (unsigned_of_bools (List.map not bs))) + | false :: _ -> unsigned_of_bools bs + | [] -> 0 (* Treat empty list as all zeros *) + end + +val int_of_bools : bool -> list bool -> integer +let int_of_bools sign bs = if sign then signed_of_bools bs else unsigned_of_bools bs + +val pad_list : forall 'a. 'a -> list 'a -> integer -> list 'a +let rec pad_list x xs n = + if n <= 0 then xs else pad_list x (x :: xs) (n - 1) +declare {isabelle} termination_argument pad_list = automatic + +let ext_list pad len xs = + let longer = len - (integerFromNat (List.length xs)) in + if longer < 0 then drop (nat_of_int (abs (longer))) xs + else pad_list pad xs longer + +let extz_bools len bs = ext_list false len bs +let exts_bools len bs = + match bs with + | true :: _ -> ext_list true len bs + | _ -> ext_list false len bs + end + +let rec add_one_bool_ignore_overflow_aux bits = match bits with + | [] -> [] + | false :: bits -> true :: bits + | true :: bits -> false :: add_one_bool_ignore_overflow_aux bits +end +declare {isabelle; hol} termination_argument add_one_bool_ignore_overflow_aux = automatic + +let add_one_bool_ignore_overflow bits = + List.reverse (add_one_bool_ignore_overflow_aux (List.reverse bits)) + +(*let bool_list_of_int n = + let bs_abs = false :: bools_of_nat (naturalFromInteger (abs n)) in + if n >= (0 : integer) then bs_abs + else add_one_bool_ignore_overflow (List.map not bs_abs) +let bools_of_int len n = exts_bools len (bool_list_of_int n)*) +let bools_of_int len n = + let bs_abs = bools_of_nat len (naturalFromInteger (abs n)) in + if n >= (0 : integer) then bs_abs + else add_one_bool_ignore_overflow (List.map not bs_abs) + +(*** Bit lists ***) + +val has_undefined_bits : list bitU -> bool +let has_undefined_bits bs = List.any (function BU -> true | _ -> false end) bs + +let bits_of_nat len n = List.map bitU_of_bool (bools_of_nat len n) + +let nat_of_bits bits = + match (just_list (List.map bool_of_bitU bits)) with + | Just bs -> Just (nat_of_bools bs) + | Nothing -> Nothing + end + +let not_bits = List.map not_bit + +val binop_list : forall 'a. ('a -> 'a -> 'a) -> list 'a -> list 'a -> list 'a +let binop_list op xs ys = + foldr (fun (x, y) acc -> op x y :: acc) [] (zip xs ys) + +let unsigned_of_bits bits = + match (just_list (List.map bool_of_bitU bits)) with + | Just bs -> Just (unsigned_of_bools bs) + | Nothing -> Nothing + end + +let signed_of_bits bits = + match (just_list (List.map bool_of_bitU bits)) with + | Just bs -> Just (signed_of_bools bs) + | Nothing -> Nothing + end + +val int_of_bits : bool -> list bitU -> maybe integer +let int_of_bits sign bs = if sign then signed_of_bits bs else unsigned_of_bits bs + +let extz_bits len bits = ext_list B0 len bits +let exts_bits len bits = + match bits with + | BU :: _ -> ext_list BU len bits + | B1 :: _ -> ext_list B1 len bits + | _ -> ext_list B0 len bits + end + +let rec add_one_bit_ignore_overflow_aux bits = match bits with + | [] -> [] + | B0 :: bits -> B1 :: bits + | B1 :: bits -> B0 :: add_one_bit_ignore_overflow_aux bits + | BU :: bits -> BU :: List.map (fun _ -> BU) bits +end +declare {isabelle; hol} termination_argument add_one_bit_ignore_overflow_aux = automatic + +let add_one_bit_ignore_overflow bits = + List.reverse (add_one_bit_ignore_overflow_aux (List.reverse bits)) + +(*let bit_list_of_int n = List.map bitU_of_bool (bool_list_of_int n) +let bits_of_int len n = exts_bits len (bit_list_of_int n)*) +let bits_of_int len n = List.map bitU_of_bool (bools_of_int len n) + +val arith_op_bits : + (integer -> integer -> integer) -> bool -> list bitU -> list bitU -> list bitU +let arith_op_bits op sign l r = + match (int_of_bits sign l, int_of_bits sign r) with + | (Just li, Just ri) -> bits_of_int (length_list l) (op li ri) + | (_, _) -> repeat [BU] (length_list l) + end + +let char_of_nibble = function + | (B0, B0, B0, B0) -> Just #'0' + | (B0, B0, B0, B1) -> Just #'1' + | (B0, B0, B1, B0) -> Just #'2' + | (B0, B0, B1, B1) -> Just #'3' + | (B0, B1, B0, B0) -> Just #'4' + | (B0, B1, B0, B1) -> Just #'5' + | (B0, B1, B1, B0) -> Just #'6' + | (B0, B1, B1, B1) -> Just #'7' + | (B1, B0, B0, B0) -> Just #'8' + | (B1, B0, B0, B1) -> Just #'9' + | (B1, B0, B1, B0) -> Just #'A' + | (B1, B0, B1, B1) -> Just #'B' + | (B1, B1, B0, B0) -> Just #'C' + | (B1, B1, B0, B1) -> Just #'D' + | (B1, B1, B1, B0) -> Just #'E' + | (B1, B1, B1, B1) -> Just #'F' + | _ -> Nothing + end + +let rec hexstring_of_bits bs = match bs with + | b1 :: b2 :: b3 :: b4 :: bs -> + let n = char_of_nibble (b1, b2, b3, b4) in + let s = hexstring_of_bits bs in + match (n, s) with + | (Just n, Just s) -> Just (n :: s) + | _ -> Nothing + end + | [] -> Just [] + | _ -> Nothing + end +declare {isabelle; hol} termination_argument hexstring_of_bits = automatic + +let show_bitlist bs = + match hexstring_of_bits bs with + | Just s -> toString (#'0' :: #'x' :: s) + | Nothing -> toString (#'0' :: #'b' :: map bitU_char bs) + end + +(*** List operations *) + +let inline (^^) = append_list + +val subrange_list_inc : forall 'a. list 'a -> integer -> integer -> list 'a +let subrange_list_inc xs i j = + let (toJ,_suffix) = List.splitAt (nat_of_int (j + 1)) xs in + let (_prefix,fromItoJ) = List.splitAt (nat_of_int i) toJ in + fromItoJ + +val subrange_list_dec : forall 'a. list 'a -> integer -> integer -> list 'a +let subrange_list_dec xs i j = + let top = (length_list xs) - 1 in + subrange_list_inc xs (top - i) (top - j) + +val subrange_list : forall 'a. bool -> list 'a -> integer -> integer -> list 'a +let subrange_list is_inc xs i j = if is_inc then subrange_list_inc xs i j else subrange_list_dec xs i j + +val update_subrange_list_inc : forall 'a. list 'a -> integer -> integer -> list 'a -> list 'a +let update_subrange_list_inc xs i j xs' = + let (toJ,suffix) = List.splitAt (nat_of_int (j + 1)) xs in + let (prefix,_fromItoJ) = List.splitAt (nat_of_int i) toJ in + prefix ++ xs' ++ suffix + +val update_subrange_list_dec : forall 'a. list 'a -> integer -> integer -> list 'a -> list 'a +let update_subrange_list_dec xs i j xs' = + let top = (length_list xs) - 1 in + update_subrange_list_inc xs (top - i) (top - j) xs' + +val update_subrange_list : forall 'a. bool -> list 'a -> integer -> integer -> list 'a -> list 'a +let update_subrange_list is_inc xs i j xs' = + if is_inc then update_subrange_list_inc xs i j xs' else update_subrange_list_dec xs i j xs' + +val access_list_inc : forall 'a. list 'a -> integer -> 'a +let access_list_inc xs n = List_extra.nth xs (nat_of_int n) + +val access_list_dec : forall 'a. list 'a -> integer -> 'a +let access_list_dec xs n = + let top = (length_list xs) - 1 in + access_list_inc xs (top - n) + +val access_list : forall 'a. bool -> list 'a -> integer -> 'a +let access_list is_inc xs n = + if is_inc then access_list_inc xs n else access_list_dec xs n + +val update_list_inc : forall 'a. list 'a -> integer -> 'a -> list 'a +let update_list_inc xs n x = List.update xs (nat_of_int n) x + +val update_list_dec : forall 'a. list 'a -> integer -> 'a -> list 'a +let update_list_dec xs n x = + let top = (length_list xs) - 1 in + update_list_inc xs (top - n) x + +val update_list : forall 'a. bool -> list 'a -> integer -> 'a -> list 'a +let update_list is_inc xs n x = + if is_inc then update_list_inc xs n x else update_list_dec xs n x + +let extract_only_bit = function + | [] -> BU + | [e] -> e + | _ -> BU +end + +(*** Machine words *) + +val length_mword : forall 'a. mword 'a -> integer +let inline length_mword w = integerFromNat (word_length w) + +val slice_mword_dec : forall 'a 'b. mword 'a -> integer -> integer -> mword 'b +let slice_mword_dec w i j = word_extract (nat_of_int i) (nat_of_int j) w + +val slice_mword_inc : forall 'a 'b. mword 'a -> integer -> integer -> mword 'b +let slice_mword_inc w i j = + let top = (length_mword w) - 1 in + slice_mword_dec w (top - i) (top - j) + +val slice_mword : forall 'a 'b. bool -> mword 'a -> integer -> integer -> mword 'b +let slice_mword is_inc w i j = if is_inc then slice_mword_inc w i j else slice_mword_dec w i j + +val update_slice_mword_dec : forall 'a 'b. mword 'a -> integer -> integer -> mword 'b -> mword 'a +let update_slice_mword_dec w i j w' = word_update w (nat_of_int i) (nat_of_int j) w' + +val update_slice_mword_inc : forall 'a 'b. mword 'a -> integer -> integer -> mword 'b -> mword 'a +let update_slice_mword_inc w i j w' = + let top = (length_mword w) - 1 in + update_slice_mword_dec w (top - i) (top - j) w' + +val update_slice_mword : forall 'a 'b. bool -> mword 'a -> integer -> integer -> mword 'b -> mword 'a +let update_slice_mword is_inc w i j w' = + if is_inc then update_slice_mword_inc w i j w' else update_slice_mword_dec w i j w' + +val access_mword_dec : forall 'a. mword 'a -> integer -> bitU +let access_mword_dec w n = bitU_of_bool (getBit w (nat_of_int n)) + +val access_mword_inc : forall 'a. mword 'a -> integer -> bitU +let access_mword_inc w n = + let top = (length_mword w) - 1 in + access_mword_dec w (top - n) + +val access_mword : forall 'a. bool -> mword 'a -> integer -> bitU +let access_mword is_inc w n = + if is_inc then access_mword_inc w n else access_mword_dec w n + +val update_mword_bool_dec : forall 'a. mword 'a -> integer -> bool -> mword 'a +let update_mword_bool_dec w n b = setBit w (nat_of_int n) b +let update_mword_dec w n b = Maybe.map (update_mword_bool_dec w n) (bool_of_bitU b) + +val update_mword_bool_inc : forall 'a. mword 'a -> integer -> bool -> mword 'a +let update_mword_bool_inc w n b = + let top = (length_mword w) - 1 in + update_mword_bool_dec w (top - n) b +let update_mword_inc w n b = Maybe.map (update_mword_bool_inc w n) (bool_of_bitU b) + +val int_of_mword : forall 'a. bool -> mword 'a -> integer +let int_of_mword sign w = + if sign then signedIntegerFromWord w else unsignedIntegerFromWord w + +(* Translating between a type level number (itself 'n) and an integer *) + +let size_itself_int x = integerFromNat (size_itself x) + +(* NB: the corresponding sail type is forall 'n. atom('n) -> itself('n), + the actual integer is ignored. *) + +val make_the_value : forall 'n. integer -> itself 'n +let make_the_value _ = the_value + +(*** Bitvectors *) + +class (Bitvector 'a) + val bits_of : 'a -> list bitU + (* We allow of_bits to be partial, as not all bitvector representations + support undefined bits *) + val of_bits : list bitU -> maybe 'a + val of_bools : list bool -> 'a + val length : 'a -> integer + (* of_int: the first parameter specifies the desired length of the bitvector *) + val of_int : integer -> integer -> 'a + (* Conversion to integers is undefined if any bit is undefined *) + val unsigned : 'a -> maybe integer + val signed : 'a -> maybe integer + (* Lifting of integer operations to bitvectors: The boolean flag indicates + whether to treat the bitvectors as signed (true) or not (false). *) + val arith_op_bv : (integer -> integer -> integer) -> bool -> 'a -> 'a -> 'a +end + +val of_bits_failwith : forall 'a. Bitvector 'a => list bitU -> 'a +let of_bits_failwith bits = maybe_failwith (of_bits bits) + +let int_of_bv sign = if sign then signed else unsigned + +instance forall 'a. BitU 'a => (Bitvector (list 'a)) + let bits_of v = List.map to_bitU v + let of_bits v = Just (List.map of_bitU v) + let of_bools v = List.map of_bitU (List.map bitU_of_bool v) + let of_int len n = List.map of_bitU (bits_of_int len n) + let length = length_list + let unsigned v = unsigned_of_bits (List.map to_bitU v) + let signed v = signed_of_bits (List.map to_bitU v) + let arith_op_bv op sign l r = List.map of_bitU (arith_op_bits op sign (List.map to_bitU l) (List.map to_bitU r)) +end + +instance forall 'a. Size 'a => (Bitvector (mword 'a)) + let bits_of v = List.map bitU_of_bool (bitlistFromWord v) + let of_bits v = Maybe.map wordFromBitlist (just_list (List.map bool_of_bitU v)) + let of_bools v = wordFromBitlist v + let of_int = (fun _ n -> wordFromInteger n) + let length v = integerFromNat (word_length v) + let unsigned v = Just (unsignedIntegerFromWord v) + let signed v = Just (signedIntegerFromWord v) + let arith_op_bv op sign l r = wordFromInteger (op (int_of_mword sign l) (int_of_mword sign r)) +end + +let access_bv_inc v n = access_list true (bits_of v) n +let access_bv_dec v n = access_list false (bits_of v) n + +let update_bv_inc v n b = update_list true (bits_of v) n b +let update_bv_dec v n b = update_list false (bits_of v) n b + +let subrange_bv_inc v i j = subrange_list true (bits_of v) i j +let subrange_bv_dec v i j = subrange_list false (bits_of v) i j + +let update_subrange_bv_inc v i j v' = update_subrange_list true (bits_of v) i j (bits_of v') +let update_subrange_bv_dec v i j v' = update_subrange_list false (bits_of v) i j (bits_of v') + +val extz_bv : forall 'a. Bitvector 'a => integer -> 'a -> list bitU +let extz_bv n v = extz_bits n (bits_of v) + +val exts_bv : forall 'a. Bitvector 'a => integer -> 'a -> list bitU +let exts_bv n v = exts_bits n (bits_of v) + +val string_of_bv : forall 'a. Bitvector 'a => 'a -> string +let string_of_bv v = show_bitlist (bits_of v) + +(*** Bytes and addresses *) + +type memory_byte = list bitU + +val byte_chunks : forall 'a. list 'a -> maybe (list (list 'a)) +let rec byte_chunks bs = match bs with + | [] -> Just [] + | a::b::c::d::e::f::g::h::rest -> + Maybe.bind (byte_chunks rest) (fun rest -> Just ([a;b;c;d;e;f;g;h] :: rest)) + | _ -> Nothing +end +declare {isabelle; hol} termination_argument byte_chunks = automatic + +val bytes_of_bits : forall 'a. Bitvector 'a => 'a -> maybe (list memory_byte) +let bytes_of_bits bs = byte_chunks (bits_of bs) + +val bits_of_bytes : list memory_byte -> list bitU +let bits_of_bytes bs = List.concat (List.map bits_of bs) + +let mem_bytes_of_bits bs = Maybe.map List.reverse (bytes_of_bits bs) +let bits_of_mem_bytes bs = bits_of_bytes (List.reverse bs) + +(*val bitv_of_byte_lifteds : list Sail_impl_base.byte_lifted -> list bitU +let bitv_of_byte_lifteds v = + foldl (fun x (Byte_lifted y) -> x ++ (List.map bitU_of_bit_lifted y)) [] v + +val bitv_of_bytes : list Sail_impl_base.byte -> list bitU +let bitv_of_bytes v = + foldl (fun x (Byte y) -> x ++ (List.map bitU_of_bit y)) [] v + +val byte_lifteds_of_bitv : list bitU -> list byte_lifted +let byte_lifteds_of_bitv bits = + let bits = List.map bit_lifted_of_bitU bits in + byte_lifteds_of_bit_lifteds bits + +val bytes_of_bitv : list bitU -> list byte +let bytes_of_bitv bits = + let bits = List.map bit_of_bitU bits in + bytes_of_bits bits + +val bit_lifteds_of_bitUs : list bitU -> list bit_lifted +let bit_lifteds_of_bitUs bits = List.map bit_lifted_of_bitU bits + +val bit_lifteds_of_bitv : list bitU -> list bit_lifted +let bit_lifteds_of_bitv v = bit_lifteds_of_bitUs v + + +val address_lifted_of_bitv : list bitU -> address_lifted +let address_lifted_of_bitv v = + let byte_lifteds = byte_lifteds_of_bitv v in + let maybe_address_integer = + match (maybe_all (List.map byte_of_byte_lifted byte_lifteds)) with + | Just bs -> Just (integer_of_byte_list bs) + | _ -> Nothing + end in + Address_lifted byte_lifteds maybe_address_integer + +val bitv_of_address_lifted : address_lifted -> list bitU +let bitv_of_address_lifted (Address_lifted bs _) = bitv_of_byte_lifteds bs + +val address_of_bitv : list bitU -> address +let address_of_bitv v = + let bytes = bytes_of_bitv v in + address_of_byte_list bytes*) + +let rec reverse_endianness_list bits = + if List.length bits <= 8 then bits else + reverse_endianness_list (drop_list 8 bits) ++ take_list 8 bits + + +(*** Registers *) + +(*type register_field = string +type register_field_index = string * (integer * integer) (* name, start and end *) + +type register = + | Register of string * (* name *) + integer * (* length *) + integer * (* start index *) + bool * (* is increasing *) + list register_field_index + | UndefinedRegister of integer (* length *) + | RegisterPair of register * register*) + +type register_ref 'regstate 'regval 'a = + <| name : string; + (*is_inc : bool;*) + read_from : 'regstate -> 'a; + write_to : 'a -> 'regstate -> 'regstate; + of_regval : 'regval -> maybe 'a; + regval_of : 'a -> 'regval |> + +(* Register accessors: pair of functions for reading and writing register values *) +type register_accessors 'regstate 'regval = + ((string -> 'regstate -> maybe 'regval) * + (string -> 'regval -> 'regstate -> maybe 'regstate)) + +type field_ref 'regtype 'a = + <| field_name : string; + field_start : integer; + field_is_inc : bool; + get_field : 'regtype -> 'a; + set_field : 'regtype -> 'a -> 'regtype |> + +(*let name_of_reg = function + | Register name _ _ _ _ -> name + | UndefinedRegister _ -> failwith "name_of_reg UndefinedRegister" + | RegisterPair _ _ -> failwith "name_of_reg RegisterPair" +end + +let size_of_reg = function + | Register _ size _ _ _ -> size + | UndefinedRegister size -> size + | RegisterPair _ _ -> failwith "size_of_reg RegisterPair" +end + +let start_of_reg = function + | Register _ _ start _ _ -> start + | UndefinedRegister _ -> failwith "start_of_reg UndefinedRegister" + | RegisterPair _ _ -> failwith "start_of_reg RegisterPair" +end + +let is_inc_of_reg = function + | Register _ _ _ is_inc _ -> is_inc + | UndefinedRegister _ -> failwith "is_inc_of_reg UndefinedRegister" + | RegisterPair _ _ -> failwith "in_inc_of_reg RegisterPair" +end + +let dir_of_reg = function + | Register _ _ _ is_inc _ -> dir_of_bool is_inc + | UndefinedRegister _ -> failwith "dir_of_reg UndefinedRegister" + | RegisterPair _ _ -> failwith "dir_of_reg RegisterPair" +end + +let size_of_reg_nat reg = natFromInteger (size_of_reg reg) +let start_of_reg_nat reg = natFromInteger (start_of_reg reg) + +val register_field_indices_aux : register -> register_field -> maybe (integer * integer) +let rec register_field_indices_aux register rfield = + match register with + | Register _ _ _ _ rfields -> List.lookup rfield rfields + | RegisterPair r1 r2 -> + let m_indices = register_field_indices_aux r1 rfield in + if isJust m_indices then m_indices else register_field_indices_aux r2 rfield + | UndefinedRegister _ -> Nothing + end + +val register_field_indices : register -> register_field -> integer * integer +let register_field_indices register rfield = + match register_field_indices_aux register rfield with + | Just indices -> indices + | Nothing -> failwith "Invalid register/register-field combination" + end + +let register_field_indices_nat reg regfield= + let (i,j) = register_field_indices reg regfield in + (natFromInteger i,natFromInteger j)*) + +(*let rec external_reg_value reg_name v = + let (internal_start, external_start, direction) = + match reg_name with + | Reg _ start size dir -> + (start, (if dir = D_increasing then start else (start - (size +1))), dir) + | Reg_slice _ reg_start dir (slice_start, _) -> + ((if dir = D_increasing then slice_start else (reg_start - slice_start)), + slice_start, dir) + | Reg_field _ reg_start dir _ (slice_start, _) -> + ((if dir = D_increasing then slice_start else (reg_start - slice_start)), + slice_start, dir) + | Reg_f_slice _ reg_start dir _ _ (slice_start, _) -> + ((if dir = D_increasing then slice_start else (reg_start - slice_start)), + slice_start, dir) + end in + let bits = bit_lifteds_of_bitv v in + <| rv_bits = bits; + rv_dir = direction; + rv_start = external_start; + rv_start_internal = internal_start |> + +val internal_reg_value : register_value -> list bitU +let internal_reg_value v = + List.map bitU_of_bit_lifted v.rv_bits + (*(integerFromNat v.rv_start_internal) + (v.rv_dir = D_increasing)*) + + +let external_slice (d:direction) (start:nat) ((i,j):(nat*nat)) = + match d with + (*This is the case the thread/concurrecny model expects, so no change needed*) + | D_increasing -> (i,j) + | D_decreasing -> let slice_i = start - i in + let slice_j = (i - j) + slice_i in + (slice_i,slice_j) + end *) + +(* TODO +let external_reg_whole r = + Reg (r.name) (natFromInteger r.start) (natFromInteger r.size) (dir_of_bool r.is_inc) + +let external_reg_slice r (i,j) = + let start = natFromInteger r.start in + let dir = dir_of_bool r.is_inc in + Reg_slice (r.name) start dir (external_slice dir start (i,j)) + +let external_reg_field_whole reg rfield = + let (m,n) = register_field_indices_nat reg rfield in + let start = start_of_reg_nat reg in + let dir = dir_of_reg reg in + Reg_field (name_of_reg reg) start dir rfield (external_slice dir start (m,n)) + +let external_reg_field_slice reg rfield (i,j) = + let (m,n) = register_field_indices_nat reg rfield in + let start = start_of_reg_nat reg in + let dir = dir_of_reg reg in + Reg_f_slice (name_of_reg reg) start dir rfield + (external_slice dir start (m,n)) + (external_slice dir start (i,j))*) + +(*val external_mem_value : list bitU -> memory_value +let external_mem_value v = + byte_lifteds_of_bitv v $> List.reverse + +val internal_mem_value : memory_value -> list bitU +let internal_mem_value bytes = + List.reverse bytes $> bitv_of_byte_lifteds*) + + +val foreach : forall 'a 'vars. + (list 'a) -> 'vars -> ('a -> 'vars -> 'vars) -> 'vars +let rec foreach l vars body = + match l with + | [] -> vars + | (x :: xs) -> foreach xs (body x vars) body + end + +declare {isabelle; hol} termination_argument foreach = automatic + +val index_list : integer -> integer -> integer -> list integer +let rec index_list from to step = + if (step > 0 && from <= to) || (step < 0 && to <= from) then + from :: index_list (from + step) to step + else [] + +val while : forall 'vars. 'vars -> ('vars -> bool) -> ('vars -> 'vars) -> 'vars +let rec while vars cond body = + if cond vars then while (body vars) cond body else vars + +val until : forall 'vars. 'vars -> ('vars -> bool) -> ('vars -> 'vars) -> 'vars +let rec until vars cond body = + let vars = body vars in + if cond vars then vars else until (body vars) cond body + + +(* convert numbers unsafely to naturals *) + +class (ToNatural 'a) val toNatural : 'a -> natural end +(* eta-expanded for Isabelle output, otherwise it breaks *) +instance (ToNatural integer) let toNatural = (fun n -> naturalFromInteger n) end +instance (ToNatural int) let toNatural = (fun n -> naturalFromInt n) end +instance (ToNatural nat) let toNatural = (fun n -> naturalFromNat n) end +instance (ToNatural natural) let toNatural = (fun n -> n) end + +let toNaturalFiveTup (n1,n2,n3,n4,n5) = + (toNatural n1, + toNatural n2, + toNatural n3, + toNatural n4, + toNatural n5) + +(* Let the following types be generated by Sail per spec, using either bitlists + or machine words as bitvector representation *) +(*type regfp = + | RFull of (string) + | RSlice of (string * integer * integer) + | RSliceBit of (string * integer) + | RField of (string * string) + +type niafp = + | NIAFP_successor + | NIAFP_concrete_address of vector bitU + | NIAFP_indirect_address + +(* only for MIPS *) +type diafp = + | DIAFP_none + | DIAFP_concrete of vector bitU + | DIAFP_reg of regfp + +let regfp_to_reg (reg_info : string -> maybe string -> (nat * nat * direction * (nat * nat))) = function + | RFull name -> + let (start,length,direction,_) = reg_info name Nothing in + Reg name start length direction + | RSlice (name,i,j) -> + let i = natFromInteger i in + let j = natFromInteger j in + let (start,length,direction,_) = reg_info name Nothing in + let slice = external_slice direction start (i,j) in + Reg_slice name start direction slice + | RSliceBit (name,i) -> + let i = natFromInteger i in + let (start,length,direction,_) = reg_info name Nothing in + let slice = external_slice direction start (i,i) in + Reg_slice name start direction slice + | RField (name,field_name) -> + let (start,length,direction,span) = reg_info name (Just field_name) in + let slice = external_slice direction start span in + Reg_field name start direction field_name slice +end + +let niafp_to_nia reginfo = function + | NIAFP_successor -> NIA_successor + | NIAFP_concrete_address v -> NIA_concrete_address (address_of_bitv v) + | NIAFP_indirect_address -> NIA_indirect_address +end + +let diafp_to_dia reginfo = function + | DIAFP_none -> DIA_none + | DIAFP_concrete v -> DIA_concrete_address (address_of_bitv v) + | DIAFP_reg r -> DIA_register (regfp_to_reg reginfo r) +end +*) diff --git a/src/gen_lib/sail_operators.lem b/src/gen_lib/sail_operators.lem deleted file mode 100644 index 0c5da675..00000000 --- a/src/gen_lib/sail_operators.lem +++ /dev/null @@ -1,207 +0,0 @@ -open import Pervasives_extra -open import Machine_word -open import Sail_values - -(*** Bit vector operations *) - -val concat_bv : forall 'a 'b. Bitvector 'a, Bitvector 'b => 'a -> 'b -> list bitU -let concat_bv l r = (bits_of l ++ bits_of r) - -val cons_bv : forall 'a. Bitvector 'a => bitU -> 'a -> list bitU -let cons_bv b v = b :: bits_of v - -val cast_unit_bv : bitU -> list bitU -let cast_unit_bv b = [b] - -val bv_of_bit : integer -> bitU -> list bitU -let bv_of_bit len b = extz_bits len [b] - -let most_significant v = match bits_of v with - | b :: _ -> b - | _ -> B0 (* Treat empty bitvector as all zeros *) - end - -let get_max_representable_in sign (n : integer) : integer = - if (n = 64) then match sign with | true -> max_64 | false -> max_64u end - else if (n=32) then match sign with | true -> max_32 | false -> max_32u end - else if (n=8) then max_8 - else if (n=5) then max_5 - else match sign with | true -> integerPow 2 ((natFromInteger n) -1) - | false -> integerPow 2 (natFromInteger n) - end - -let get_min_representable_in _ (n : integer) : integer = - if n = 64 then min_64 - else if n = 32 then min_32 - else if n = 8 then min_8 - else if n = 5 then min_5 - else 0 - (integerPow 2 (natFromInteger n)) - -val arith_op_bv_int : forall 'a 'b. Bitvector 'a => - (integer -> integer -> integer) -> bool -> 'a -> integer -> 'a -let arith_op_bv_int op sign l r = - let r' = of_int (length l) r in - arith_op_bv op sign l r' - -val arith_op_int_bv : forall 'a 'b. Bitvector 'a => - (integer -> integer -> integer) -> bool -> integer -> 'a -> 'a -let arith_op_int_bv op sign l r = - let l' = of_int (length r) l in - arith_op_bv op sign l' r - -let arith_op_bv_bool op sign l r = arith_op_bv_int op sign l (if r then 1 else 0) -let arith_op_bv_bit op sign l r = Maybe.map (arith_op_bv_bool op sign l) (bool_of_bitU r) - -(* TODO (or just omit and define it per spec if needed) -val arith_op_overflow_bv : forall 'a. Bitvector 'a => - (integer -> integer -> integer) -> bool -> integer -> 'a -> 'a -> (list bitU * bitU * bitU) -let arith_op_overflow_bv op sign size l r = - let len = length l in - let act_size = len * size in - match (int_of_bv sign l, int_of_bv sign r, int_of_bv false l, int_of_bv false r) with - | (Just l_sign, Just r_sign, Just l_unsign, Just r_unsign) -> - let n = op l_sign r_sign in - let n_unsign = op l_unsign r_unsign in - let correct_size = of_int act_size n in - let one_more_size_u = bits_of_int (act_size + 1) n_unsign in - let overflow = - if n <= get_max_representable_in sign len && - n >= get_min_representable_in sign len - then B0 else B1 in - let c_out = most_significant one_more_size_u in - (correct_size,overflow,c_out) - | (_, _, _, _) -> - (repeat [BU] act_size, BU, BU) - end - -let add_overflow_bv = arith_op_overflow_bv integerAdd false 1 -let adds_overflow_bv = arith_op_overflow_bv integerAdd true 1 -let sub_overflow_bv = arith_op_overflow_bv integerMinus false 1 -let subs_overflow_bv = arith_op_overflow_bv integerMinus true 1 -let mult_overflow_bv = arith_op_overflow_bv integerMult false 2 -let mults_overflow_bv = arith_op_overflow_bv integerMult true 2 - -val arith_op_overflow_bv_bit : forall 'a. Bitvector 'a => - (integer -> integer -> integer) -> bool -> integer -> 'a -> bitU -> (list bitU * bitU * bitU) -let arith_op_overflow_bv_bit op sign size l r_bit = - let act_size = length l * size in - match (int_of_bv sign l, int_of_bv false l, r_bit = BU) with - | (Just l', Just l_u, false) -> - let (n, nu, changed) = match r_bit with - | B1 -> (op l' 1, op l_u 1, true) - | B0 -> (l', l_u, false) - | BU -> (* unreachable due to check above *) - failwith "arith_op_overflow_bv_bit applied to undefined bit" - end in - let correct_size = of_int act_size n in - let one_larger = bits_of_int (act_size + 1) nu in - let overflow = - if changed - then - if n <= get_max_representable_in sign act_size && n >= get_min_representable_in sign act_size - then B0 else B1 - else B0 in - (correct_size, overflow, most_significant one_larger) - | (_, _, _) -> - (repeat [BU] act_size, BU, BU) - end - -let add_overflow_bv_bit = arith_op_overflow_bv_bit integerAdd false 1 -let adds_overflow_bv_bit = arith_op_overflow_bv_bit integerAdd true 1 -let sub_overflow_bv_bit = arith_op_overflow_bv_bit integerMinus false 1 -let subs_overflow_bv_bit = arith_op_overflow_bv_bit integerMinus true 1*) - -type shift = LL_shift | RR_shift | RR_shift_arith | LL_rot | RR_rot - -let invert_shift = function - | LL_shift -> RR_shift - | RR_shift -> LL_shift - | RR_shift_arith -> LL_shift - | LL_rot -> RR_rot - | RR_rot -> LL_rot -end - -val shift_op_bv : forall 'a. Bitvector 'a => shift -> 'a -> integer -> list bitU -let shift_op_bv op v n = - let v = bits_of v in - if n = 0 then v else - let (op, n) = if n > 0 then (op, n) else (invert_shift op, ~n) in - match op with - | LL_shift -> - subrange_list true v n (length v - 1) ++ repeat [B0] n - | RR_shift -> - repeat [B0] n ++ subrange_list true v 0 (length v - n - 1) - | RR_shift_arith -> - repeat [most_significant v] n ++ subrange_list true v 0 (length v - n - 1) - | LL_rot -> - subrange_list true v n (length v - 1) ++ subrange_list true v 0 (n - 1) - | RR_rot -> - subrange_list false v 0 (n - 1) ++ subrange_list false v n (length v - 1) - end - -let shiftl_bv = shift_op_bv LL_shift (*"<<"*) -let shiftr_bv = shift_op_bv RR_shift (*">>"*) -let arith_shiftr_bv = shift_op_bv RR_shift_arith -let rotl_bv = shift_op_bv LL_rot (*"<<<"*) -let rotr_bv = shift_op_bv LL_rot (*">>>"*) - -let shiftl_mword w n = Machine_word.shiftLeft w (nat_of_int n) -let shiftr_mword w n = Machine_word.shiftRight w (nat_of_int n) -let arith_shiftr_mword w n = Machine_word.arithShiftRight w (nat_of_int n) -let rotl_mword w n = Machine_word.rotateLeft (nat_of_int n) w -let rotr_mword w n = Machine_word.rotateRight (nat_of_int n) w - -let rec arith_op_no0 (op : integer -> integer -> integer) l r = - if r = 0 - then Nothing - else Just (op l r) - -val arith_op_bv_no0 : forall 'a 'b. Bitvector 'a, Bitvector 'b => - (integer -> integer -> integer) -> bool -> integer -> 'a -> 'a -> maybe 'b -let arith_op_bv_no0 op sign size l r = - Maybe.bind (int_of_bv sign l) (fun l' -> - Maybe.bind (int_of_bv sign r) (fun r' -> - if r' = 0 then Nothing else Just (of_int (length l * size) (op l' r')))) - -let mod_bv = arith_op_bv_no0 hardware_mod false 1 -let quot_bv = arith_op_bv_no0 hardware_quot false 1 -let quots_bv = arith_op_bv_no0 hardware_quot true 1 - -let mod_mword = Machine_word.modulo -let quot_mword = Machine_word.unsignedDivide -let quots_mword = Machine_word.signedDivide - -let arith_op_bv_int_no0 op sign size l r = - arith_op_bv_no0 op sign size l (of_int (length l) r) - -let quot_bv_int = arith_op_bv_int_no0 hardware_quot false 1 -let mod_bv_int = arith_op_bv_int_no0 hardware_mod false 1 - -let mod_mword_int l r = Machine_word.modulo l (wordFromInteger r) -let quot_mword_int l r = Machine_word.unsignedDivide l (wordFromInteger r) -let quots_mword_int l r = Machine_word.signedDivide l (wordFromInteger r) - -let replicate_bits_bv v count = repeat (bits_of v) count -let duplicate_bit_bv bit len = replicate_bits_bv [bit] len - -val eq_bv : forall 'a. Bitvector 'a => 'a -> 'a -> bool -let eq_bv l r = (bits_of l = bits_of r) - -let inline eq_mword l r = (l = r) - -val neq_bv : forall 'a. Bitvector 'a => 'a -> 'a -> bool -let neq_bv l r = not (eq_bv l r) - -let inline neq_mword l r = (l <> r) - -val get_slice_int_bv : forall 'a. Bitvector 'a => integer -> integer -> integer -> 'a -let get_slice_int_bv len n lo = - let hi = lo + len - 1 in - let bs = bools_of_int (hi + 1) n in - of_bools (subrange_list false bs hi lo) - -val set_slice_int_bv : forall 'a. Bitvector 'a => integer -> integer -> integer -> 'a -> integer -let set_slice_int_bv len n lo v = - let hi = lo + len - 1 in - let bs = bits_of_int (hi + 1) n in - maybe_failwith (signed_of_bits (update_subrange_list false bs hi lo (bits_of v))) diff --git a/src/gen_lib/sail_operators_bitlists.lem b/src/gen_lib/sail_operators_bitlists.lem deleted file mode 100644 index 19e9b519..00000000 --- a/src/gen_lib/sail_operators_bitlists.lem +++ /dev/null @@ -1,312 +0,0 @@ -open import Pervasives_extra -open import Machine_word -open import Sail_values -open import Sail_operators -open import Prompt_monad -open import Prompt - -(* Specialisation of operators to bit lists *) - -val uint_maybe : list bitU -> maybe integer -let uint_maybe v = unsigned v -let uint_fail v = maybe_fail "uint" (unsigned v) -let uint_oracle v = - bools_of_bits_oracle v >>= (fun bs -> - return (int_of_bools false bs)) -let uint v = maybe_failwith (uint_maybe v) - -val sint_maybe : list bitU -> maybe integer -let sint_maybe v = signed v -let sint_fail v = maybe_fail "sint" (signed v) -let sint_oracle v = - bools_of_bits_oracle v >>= (fun bs -> - return (int_of_bools true bs)) -let sint v = maybe_failwith (sint_maybe v) - -val extz_vec : integer -> list bitU -> list bitU -let extz_vec = extz_bv - -val exts_vec : integer -> list bitU -> list bitU -let exts_vec = exts_bv - -val zero_extend : list bitU -> integer -> list bitU -let zero_extend bits len = extz_bits len bits - -val sign_extend : list bitU -> integer -> list bitU -let sign_extend bits len = exts_bits len bits - -val zeros : integer -> list bitU -let zeros len = repeat [B0] len - -val vector_truncate : list bitU -> integer -> list bitU -let vector_truncate bs len = extz_bv len bs - -val vec_of_bits_maybe : list bitU -> maybe (list bitU) -val vec_of_bits_fail : forall 'rv 'e. list bitU -> monad 'rv (list bitU) 'e -val vec_of_bits_oracle : forall 'rv 'e. list bitU -> monad 'rv (list bitU) 'e -val vec_of_bits_failwith : list bitU -> list bitU -val vec_of_bits : list bitU -> list bitU -let inline vec_of_bits bits = bits -let inline vec_of_bits_maybe bits = Just bits -let inline vec_of_bits_fail bits = return bits -let inline vec_of_bits_oracle bits = return bits -let inline vec_of_bits_failwith bits = bits - -val access_vec_inc : list bitU -> integer -> bitU -let access_vec_inc = access_bv_inc - -val access_vec_dec : list bitU -> integer -> bitU -let access_vec_dec = access_bv_dec - -val update_vec_inc : list bitU -> integer -> bitU -> list bitU -let update_vec_inc = update_bv_inc -let update_vec_inc_maybe v i b = Just (update_vec_inc v i b) -let update_vec_inc_fail v i b = return (update_vec_inc v i b) -let update_vec_inc_oracle v i b = return (update_vec_inc v i b) - -val update_vec_dec : list bitU -> integer -> bitU -> list bitU -let update_vec_dec = update_bv_dec -let update_vec_dec_maybe v i b = Just (update_vec_dec v i b) -let update_vec_dec_fail v i b = return (update_vec_dec v i b) -let update_vec_dec_oracle v i b = return (update_vec_dec v i b) - -val subrange_vec_inc : list bitU -> integer -> integer -> list bitU -let subrange_vec_inc = subrange_bv_inc - -val subrange_vec_dec : list bitU -> integer -> integer -> list bitU -let subrange_vec_dec = subrange_bv_dec - -val update_subrange_vec_inc : list bitU -> integer -> integer -> list bitU -> list bitU -let update_subrange_vec_inc = update_subrange_bv_inc - -val update_subrange_vec_dec : list bitU -> integer -> integer -> list bitU -> list bitU -let update_subrange_vec_dec = update_subrange_bv_dec - -val concat_vec : list bitU -> list bitU -> list bitU -let concat_vec = concat_bv - -val cons_vec : bitU -> list bitU -> list bitU -let cons_vec = cons_bv -let cons_vec_maybe b v = Just (cons_vec b v) -let cons_vec_fail b v = return (cons_vec b v) -let cons_vec_oracle b v = return (cons_vec b v) - -val cast_unit_vec : bitU -> list bitU -let cast_unit_vec = cast_unit_bv -let cast_unit_vec_maybe b = Just (cast_unit_vec b) -let cast_unit_vec_fail b = return (cast_unit_vec b) -let cast_unit_vec_oracle b = return (cast_unit_vec b) - -val vec_of_bit : integer -> bitU -> list bitU -let vec_of_bit = bv_of_bit -let vec_of_bit_maybe len b = Just (vec_of_bit len b) -let vec_of_bit_fail len b = return (vec_of_bit len b) -let vec_of_bit_oracle len b = return (vec_of_bit len b) - -val msb : list bitU -> bitU -let msb = most_significant - -val int_of_vec_maybe : bool -> list bitU -> maybe integer -let int_of_vec_maybe = int_of_bv -let int_of_vec_fail sign v = maybe_fail "int_of_vec" (int_of_vec_maybe sign v) -let int_of_vec_oracle sign v = bools_of_bits_oracle v >>= (fun v -> return (int_of_bools sign v)) -let int_of_vec sign v = maybe_failwith (int_of_vec_maybe sign v) - -val string_of_vec : list bitU -> string -let string_of_vec = string_of_bv - -val and_vec : list bitU -> list bitU -> list bitU -val or_vec : list bitU -> list bitU -> list bitU -val xor_vec : list bitU -> list bitU -> list bitU -val not_vec : list bitU -> list bitU -let and_vec = binop_list and_bit -let or_vec = binop_list or_bit -let xor_vec = binop_list xor_bit -let not_vec = List.map not_bit - -val arith_op_double_bl : forall 'a 'b. Bitvector 'a => - (integer -> integer -> integer) -> bool -> 'a -> 'a -> list bitU -let arith_op_double_bl op sign l r = - let len = 2 * length l in - let l' = if sign then exts_bv len l else extz_bv len l in - let r' = if sign then exts_bv len r else extz_bv len r in - arith_op_bv op sign l' r' - -val add_vec : list bitU -> list bitU -> list bitU -val adds_vec : list bitU -> list bitU -> list bitU -val sub_vec : list bitU -> list bitU -> list bitU -val subs_vec : list bitU -> list bitU -> list bitU -val mult_vec : list bitU -> list bitU -> list bitU -val mults_vec : list bitU -> list bitU -> list bitU -let add_vec = arith_op_bv integerAdd false -let adds_vec = arith_op_bv integerAdd true -let sub_vec = arith_op_bv integerMinus false -let subs_vec = arith_op_bv integerMinus true -let mult_vec = arith_op_double_bl integerMult false -let mults_vec = arith_op_double_bl integerMult true - -val add_vec_int : list bitU -> integer -> list bitU -val adds_vec_int : list bitU -> integer -> list bitU -val sub_vec_int : list bitU -> integer -> list bitU -val subs_vec_int : list bitU -> integer -> list bitU -val mult_vec_int : list bitU -> integer -> list bitU -val mults_vec_int : list bitU -> integer -> list bitU -let add_vec_int l r = arith_op_bv_int integerAdd false l r -let adds_vec_int l r = arith_op_bv_int integerAdd true l r -let sub_vec_int l r = arith_op_bv_int integerMinus false l r -let subs_vec_int l r = arith_op_bv_int integerMinus true l r -let mult_vec_int l r = arith_op_double_bl integerMult false l (of_int (length l) r) -let mults_vec_int l r = arith_op_double_bl integerMult true l (of_int (length l) r) - -val add_int_vec : integer -> list bitU -> list bitU -val adds_int_vec : integer -> list bitU -> list bitU -val sub_int_vec : integer -> list bitU -> list bitU -val subs_int_vec : integer -> list bitU -> list bitU -val mult_int_vec : integer -> list bitU -> list bitU -val mults_int_vec : integer -> list bitU -> list bitU -let add_int_vec l r = arith_op_int_bv integerAdd false l r -let adds_int_vec l r = arith_op_int_bv integerAdd true l r -let sub_int_vec l r = arith_op_int_bv integerMinus false l r -let subs_int_vec l r = arith_op_int_bv integerMinus true l r -let mult_int_vec l r = arith_op_double_bl integerMult false (of_int (length r) l) r -let mults_int_vec l r = arith_op_double_bl integerMult true (of_int (length r) l) r - -val add_vec_bit : list bitU -> bitU -> list bitU -val adds_vec_bit : list bitU -> bitU -> list bitU -val sub_vec_bit : list bitU -> bitU -> list bitU -val subs_vec_bit : list bitU -> bitU -> list bitU - -let add_vec_bool l r = arith_op_bv_bool integerAdd false l r -let add_vec_bit_maybe l r = arith_op_bv_bit integerAdd false l r -let add_vec_bit_fail l r = maybe_fail "add_vec_bit" (add_vec_bit_maybe l r) -let add_vec_bit_oracle l r = bool_of_bitU_oracle r >>= (fun r -> return (add_vec_bool l r)) -let add_vec_bit l r = fromMaybe (repeat [BU] (length l)) (add_vec_bit_maybe l r) - -let adds_vec_bool l r = arith_op_bv_bool integerAdd true l r -let adds_vec_bit_maybe l r = arith_op_bv_bit integerAdd true l r -let adds_vec_bit_fail l r = maybe_fail "adds_vec_bit" (adds_vec_bit_maybe l r) -let adds_vec_bit_oracle l r = bool_of_bitU_oracle r >>= (fun r -> return (adds_vec_bool l r)) -let adds_vec_bit l r = fromMaybe (repeat [BU] (length l)) (adds_vec_bit_maybe l r) - -let sub_vec_bool l r = arith_op_bv_bool integerMinus false l r -let sub_vec_bit_maybe l r = arith_op_bv_bit integerMinus false l r -let sub_vec_bit_fail l r = maybe_fail "sub_vec_bit" (sub_vec_bit_maybe l r) -let sub_vec_bit_oracle l r = bool_of_bitU_oracle r >>= (fun r -> return (sub_vec_bool l r)) -let sub_vec_bit l r = fromMaybe (repeat [BU] (length l)) (sub_vec_bit_maybe l r) - -let subs_vec_bool l r = arith_op_bv_bool integerMinus true l r -let subs_vec_bit_maybe l r = arith_op_bv_bit integerMinus true l r -let subs_vec_bit_fail l r = maybe_fail "sub_vec_bit" (subs_vec_bit_maybe l r) -let subs_vec_bit_oracle l r = bool_of_bitU_oracle r >>= (fun r -> return (subs_vec_bool l r)) -let subs_vec_bit l r = fromMaybe (repeat [BU] (length l)) (subs_vec_bit_maybe l r) - -(*val add_overflow_vec : list bitU -> list bitU -> (list bitU * bitU * bitU) -val add_overflow_vec_signed : list bitU -> list bitU -> (list bitU * bitU * bitU) -val sub_overflow_vec : list bitU -> list bitU -> (list bitU * bitU * bitU) -val sub_overflow_vec_signed : list bitU -> list bitU -> (list bitU * bitU * bitU) -val mult_overflow_vec : list bitU -> list bitU -> (list bitU * bitU * bitU) -val mult_overflow_vec_signed : list bitU -> list bitU -> (list bitU * bitU * bitU) -let add_overflow_vec = add_overflow_bv -let add_overflow_vec_signed = add_overflow_bv_signed -let sub_overflow_vec = sub_overflow_bv -let sub_overflow_vec_signed = sub_overflow_bv_signed -let mult_overflow_vec = mult_overflow_bv -let mult_overflow_vec_signed = mult_overflow_bv_signed - -val add_overflow_vec_bit : list bitU -> bitU -> (list bitU * bitU * bitU) -val add_overflow_vec_bit_signed : list bitU -> bitU -> (list bitU * bitU * bitU) -val sub_overflow_vec_bit : list bitU -> bitU -> (list bitU * bitU * bitU) -val sub_overflow_vec_bit_signed : list bitU -> bitU -> (list bitU * bitU * bitU) -let add_overflow_vec_bit = add_overflow_bv_bit -let add_overflow_vec_bit_signed = add_overflow_bv_bit_signed -let sub_overflow_vec_bit = sub_overflow_bv_bit -let sub_overflow_vec_bit_signed = sub_overflow_bv_bit_signed*) - -val shiftl : list bitU -> integer -> list bitU -val shiftr : list bitU -> integer -> list bitU -val arith_shiftr : list bitU -> integer -> list bitU -val rotl : list bitU -> integer -> list bitU -val rotr : list bitU -> integer -> list bitU -let shiftl = shiftl_bv -let shiftr = shiftr_bv -let arith_shiftr = arith_shiftr_bv -let rotl = rotl_bv -let rotr = rotr_bv - -val mod_vec : list bitU -> list bitU -> list bitU -val mod_vec_maybe : list bitU -> list bitU -> maybe (list bitU) -val mod_vec_fail : forall 'rv 'e. list bitU -> list bitU -> monad 'rv (list bitU) 'e -val mod_vec_oracle : forall 'rv 'e. list bitU -> list bitU -> monad 'rv (list bitU) 'e -let mod_vec l r = fromMaybe (repeat [BU] (length l)) (mod_bv l r) -let mod_vec_maybe l r = mod_bv l r -let mod_vec_fail l r = maybe_fail "mod_vec" (mod_bv l r) -let mod_vec_oracle l r = of_bits_oracle (mod_vec l r) - -val quot_vec : list bitU -> list bitU -> list bitU -val quot_vec_maybe : list bitU -> list bitU -> maybe (list bitU) -val quot_vec_fail : forall 'rv 'e. list bitU -> list bitU -> monad 'rv (list bitU) 'e -val quot_vec_oracle : forall 'rv 'e. list bitU -> list bitU -> monad 'rv (list bitU) 'e -let quot_vec l r = fromMaybe (repeat [BU] (length l)) (quot_bv l r) -let quot_vec_maybe l r = quot_bv l r -let quot_vec_fail l r = maybe_fail "quot_vec" (quot_bv l r) -let quot_vec_oracle l r = of_bits_oracle (quot_vec l r) - -val quots_vec : list bitU -> list bitU -> list bitU -val quots_vec_maybe : list bitU -> list bitU -> maybe (list bitU) -val quots_vec_fail : forall 'rv 'e. list bitU -> list bitU -> monad 'rv (list bitU) 'e -val quots_vec_oracle : forall 'rv 'e. list bitU -> list bitU -> monad 'rv (list bitU) 'e -let quots_vec l r = fromMaybe (repeat [BU] (length l)) (quots_bv l r) -let quots_vec_maybe l r = quots_bv l r -let quots_vec_fail l r = maybe_fail "quots_vec" (quots_bv l r) -let quots_vec_oracle l r = of_bits_oracle (quots_vec l r) - -val mod_vec_int : list bitU -> integer -> list bitU -val mod_vec_int_maybe : list bitU -> integer -> maybe (list bitU) -val mod_vec_int_fail : forall 'rv 'e. list bitU -> integer -> monad 'rv (list bitU) 'e -val mod_vec_int_oracle : forall 'rv 'e. list bitU -> integer -> monad 'rv (list bitU) 'e -let mod_vec_int l r = fromMaybe (repeat [BU] (length l)) (mod_bv_int l r) -let mod_vec_int_maybe l r = mod_bv_int l r -let mod_vec_int_fail l r = maybe_fail "mod_vec_int" (mod_bv_int l r) -let mod_vec_int_oracle l r = of_bits_oracle (mod_vec_int l r) - -val quot_vec_int : list bitU -> integer -> list bitU -val quot_vec_int_maybe : list bitU -> integer -> maybe (list bitU) -val quot_vec_int_fail : forall 'rv 'e. list bitU -> integer -> monad 'rv (list bitU) 'e -val quot_vec_int_oracle : forall 'rv 'e. list bitU -> integer -> monad 'rv (list bitU) 'e -let quot_vec_int l r = fromMaybe (repeat [BU] (length l)) (quot_bv_int l r) -let quot_vec_int_maybe l r = quot_bv_int l r -let quot_vec_int_fail l r = maybe_fail "quot_vec_int" (quot_bv_int l r) -let quot_vec_int_oracle l r = of_bits_oracle (quot_vec_int l r) - -val replicate_bits : list bitU -> integer -> list bitU -let replicate_bits = replicate_bits_bv - -val duplicate : bitU -> integer -> list bitU -let duplicate = duplicate_bit_bv -let duplicate_maybe b n = Just (duplicate b n) -let duplicate_fail b n = return (duplicate b n) -let duplicate_oracle b n = - bool_of_bitU_oracle b >>= (fun b -> - return (duplicate (bitU_of_bool b) n)) - -val reverse_endianness : list bitU -> list bitU -let reverse_endianness v = reverse_endianness_list v - -val get_slice_int : integer -> integer -> integer -> list bitU -let get_slice_int = get_slice_int_bv - -val set_slice_int : integer -> integer -> integer -> list bitU -> integer -let set_slice_int = set_slice_int_bv - -val slice : list bitU -> integer -> integer -> list bitU -let slice v lo len = - subrange_vec_dec v (lo + len - 1) lo - -val set_slice : integer -> integer -> list bitU -> integer -> list bitU -> list bitU -let set_slice (out_len:ii) (slice_len:ii) out (n:ii) v = - update_subrange_vec_dec out (n + slice_len - 1) n v - -val eq_vec : list bitU -> list bitU -> bool -val neq_vec : list bitU -> list bitU -> bool -let eq_vec = eq_bv -let neq_vec = neq_bv diff --git a/src/gen_lib/sail_operators_mwords.lem b/src/gen_lib/sail_operators_mwords.lem deleted file mode 100644 index 22d5b246..00000000 --- a/src/gen_lib/sail_operators_mwords.lem +++ /dev/null @@ -1,333 +0,0 @@ -open import Pervasives_extra -open import Machine_word -open import Sail_values -open import Sail_operators -open import Prompt_monad -open import Prompt - -(* Specialisation of operators to machine words *) - -let inline uint v = unsignedIntegerFromWord v -let uint_maybe v = Just (uint v) -let uint_fail v = return (uint v) -let uint_oracle v = return (uint v) - -let inline sint v = signedIntegerFromWord v -let sint_maybe v = Just (sint v) -let sint_fail v = return (sint v) -let sint_oracle v = return (sint v) - -val vec_of_bits_maybe : forall 'a. Size 'a => list bitU -> maybe (mword 'a) -val vec_of_bits_fail : forall 'rv 'a 'e. Size 'a => list bitU -> monad 'rv (mword 'a) 'e -val vec_of_bits_oracle : forall 'rv 'a 'e. Size 'a => list bitU -> monad 'rv (mword 'a) 'e -val vec_of_bits_failwith : forall 'a. Size 'a => list bitU -> mword 'a -val vec_of_bits : forall 'a. Size 'a => list bitU -> mword 'a -let vec_of_bits_maybe bits = of_bits bits -let vec_of_bits_fail bits = of_bits_fail bits -let vec_of_bits_oracle bits = of_bits_oracle bits -let vec_of_bits_failwith bits = of_bits_failwith bits -let vec_of_bits bits = of_bits_failwith bits - -val access_vec_inc : forall 'a. Size 'a => mword 'a -> integer -> bitU -let access_vec_inc = access_bv_inc - -val access_vec_dec : forall 'a. Size 'a => mword 'a -> integer -> bitU -let access_vec_dec = access_bv_dec - -let update_vec_dec_maybe w i b = update_mword_dec w i b -let update_vec_dec_fail w i b = - bool_of_bitU_fail b >>= (fun b -> - return (update_mword_bool_dec w i b)) -let update_vec_dec_oracle w i b = - bool_of_bitU_oracle b >>= (fun b -> - return (update_mword_bool_dec w i b)) -let update_vec_dec w i b = maybe_failwith (update_vec_dec_maybe w i b) - -let update_vec_inc_maybe w i b = update_mword_inc w i b -let update_vec_inc_fail w i b = - bool_of_bitU_fail b >>= (fun b -> - return (update_mword_bool_inc w i b)) -let update_vec_inc_oracle w i b = - bool_of_bitU_oracle b >>= (fun b -> - return (update_mword_bool_inc w i b)) -let update_vec_inc w i b = maybe_failwith (update_vec_inc_maybe w i b) - -val subrange_vec_dec : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> integer -> mword 'b -let subrange_vec_dec w i j = Machine_word.word_extract (nat_of_int j) (nat_of_int i) w - -val subrange_vec_inc : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> integer -> mword 'b -let subrange_vec_inc w i j = subrange_vec_dec w (length w - 1 - i) (length w - 1 - j) - -val update_subrange_vec_dec : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> integer -> mword 'b -> mword 'a -let update_subrange_vec_dec w i j w' = Machine_word.word_update w (nat_of_int j) (nat_of_int i) w' - -val update_subrange_vec_inc : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> integer -> mword 'b -> mword 'a -let update_subrange_vec_inc w i j w' = update_subrange_vec_dec w (length w - 1 - i) (length w - 1 - j) w' - -val extz_vec : forall 'a 'b. Size 'a, Size 'b => integer -> mword 'a -> mword 'b -let extz_vec _ w = Machine_word.zeroExtend w - -val exts_vec : forall 'a 'b. Size 'a, Size 'b => integer -> mword 'a -> mword 'b -let exts_vec _ w = Machine_word.signExtend w - -val zero_extend : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> mword 'b -let zero_extend w _ = Machine_word.zeroExtend w - -val sign_extend : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> mword 'b -let sign_extend w _ = Machine_word.signExtend w - -val zeros : forall 'a. Size 'a => integer -> mword 'a -let zeros _ = Machine_word.wordFromNatural 0 - -val vector_truncate : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> mword 'b -let vector_truncate w _ = Machine_word.zeroExtend w - -val concat_vec : forall 'a 'b 'c. Size 'a, Size 'b, Size 'c => mword 'a -> mword 'b -> mword 'c -let concat_vec = Machine_word.word_concat - -val cons_vec_bool : forall 'a 'b 'c. Size 'a, Size 'b => bool -> mword 'a -> mword 'b -let cons_vec_bool b w = wordFromBitlist (b :: bitlistFromWord w) -let cons_vec_maybe b w = Maybe.map (fun b -> cons_vec_bool b w) (bool_of_bitU b) -let cons_vec_fail b w = bool_of_bitU_fail b >>= (fun b -> return (cons_vec_bool b w)) -let cons_vec_oracle b w = bool_of_bitU_oracle b >>= (fun b -> return (cons_vec_bool b w)) -let cons_vec b w = maybe_failwith (cons_vec_maybe b w) - -val vec_of_bool : forall 'a. Size 'a => integer -> bool -> mword 'a -let vec_of_bool _ b = wordFromBitlist [b] -let vec_of_bit_maybe len b = Maybe.map (vec_of_bool len) (bool_of_bitU b) -let vec_of_bit_fail len b = bool_of_bitU_fail b >>= (fun b -> return (vec_of_bool len b)) -let vec_of_bit_oracle len b = bool_of_bitU_oracle b >>= (fun b -> return (vec_of_bool len b)) -let vec_of_bit len b = maybe_failwith (vec_of_bit_maybe len b) - -val cast_bool_vec : bool -> mword ty1 -let cast_bool_vec b = vec_of_bool 1 b -let cast_unit_vec_maybe b = vec_of_bit_maybe 1 b -let cast_unit_vec_fail b = bool_of_bitU_fail b >>= (fun b -> return (cast_bool_vec b)) -let cast_unit_vec_oracle b = bool_of_bitU_oracle b >>= (fun b -> return (cast_bool_vec b)) -let cast_unit_vec b = maybe_failwith (cast_unit_vec_maybe b) - -val msb : forall 'a. Size 'a => mword 'a -> bitU -let msb = most_significant - -val int_of_vec : forall 'a. Size 'a => bool -> mword 'a -> integer -let int_of_vec sign w = - if sign - then signedIntegerFromWord w - else unsignedIntegerFromWord w -let int_of_vec_maybe sign w = Just (int_of_vec sign w) -let int_of_vec_fail sign w = return (int_of_vec sign w) - -val string_of_vec : forall 'a. Size 'a => mword 'a -> string -let string_of_vec = string_of_bv - -val and_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> mword 'a -val or_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> mword 'a -val xor_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> mword 'a -val not_vec : forall 'a. Size 'a => mword 'a -> mword 'a -let and_vec = Machine_word.lAnd -let or_vec = Machine_word.lOr -let xor_vec = Machine_word.lXor -let not_vec = Machine_word.lNot - -val add_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> mword 'a -val adds_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> mword 'a -val sub_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> mword 'a -val subs_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> mword 'a -val mult_vec : forall 'a 'b. Size 'a, Size 'b => mword 'a -> mword 'a -> mword 'b -val mults_vec : forall 'a 'b. Size 'a, Size 'b => mword 'a -> mword 'a -> mword 'b -let add_vec l r = arith_op_bv integerAdd false l r -let adds_vec l r = arith_op_bv integerAdd true l r -let sub_vec l r = arith_op_bv integerMinus false l r -let subs_vec l r = arith_op_bv integerMinus true l r -let mult_vec l r = arith_op_bv integerMult false (zeroExtend l : mword 'b) (zeroExtend r : mword 'b) -let mults_vec l r = arith_op_bv integerMult true (signExtend l : mword 'b) (signExtend r : mword 'b) - -val add_vec_int : forall 'a. Size 'a => mword 'a -> integer -> mword 'a -val adds_vec_int : forall 'a. Size 'a => mword 'a -> integer -> mword 'a -val sub_vec_int : forall 'a. Size 'a => mword 'a -> integer -> mword 'a -val subs_vec_int : forall 'a. Size 'a => mword 'a -> integer -> mword 'a -val mult_vec_int : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> mword 'b -val mults_vec_int : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> mword 'b -let add_vec_int l r = arith_op_bv_int integerAdd false l r -let adds_vec_int l r = arith_op_bv_int integerAdd true l r -let sub_vec_int l r = arith_op_bv_int integerMinus false l r -let subs_vec_int l r = arith_op_bv_int integerMinus true l r -let mult_vec_int l r = arith_op_bv_int integerMult false (zeroExtend l : mword 'b) r -let mults_vec_int l r = arith_op_bv_int integerMult true (signExtend l : mword 'b) r - -val add_int_vec : forall 'a. Size 'a => integer -> mword 'a -> mword 'a -val adds_int_vec : forall 'a. Size 'a => integer -> mword 'a -> mword 'a -val sub_int_vec : forall 'a. Size 'a => integer -> mword 'a -> mword 'a -val subs_int_vec : forall 'a. Size 'a => integer -> mword 'a -> mword 'a -val mult_int_vec : forall 'a 'b. Size 'a, Size 'b => integer -> mword 'a -> mword 'b -val mults_int_vec : forall 'a 'b. Size 'a, Size 'b => integer -> mword 'a -> mword 'b -let add_int_vec l r = arith_op_int_bv integerAdd false l r -let adds_int_vec l r = arith_op_int_bv integerAdd true l r -let sub_int_vec l r = arith_op_int_bv integerMinus false l r -let subs_int_vec l r = arith_op_int_bv integerMinus true l r -let mult_int_vec l r = arith_op_int_bv integerMult false l (zeroExtend r : mword 'b) -let mults_int_vec l r = arith_op_int_bv integerMult true l (signExtend r : mword 'b) - -val add_vec_bool : forall 'a. Size 'a => mword 'a -> bool -> mword 'a -val adds_vec_bool : forall 'a. Size 'a => mword 'a -> bool -> mword 'a -val sub_vec_bool : forall 'a. Size 'a => mword 'a -> bool -> mword 'a -val subs_vec_bool : forall 'a. Size 'a => mword 'a -> bool -> mword 'a - -let add_vec_bool l r = arith_op_bv_bool integerAdd false l r -let add_vec_bit_maybe l r = Maybe.map (add_vec_bool l) (bool_of_bitU r) -let add_vec_bit_fail l r = bool_of_bitU_fail r >>= (fun r -> return (add_vec_bool l r)) -let add_vec_bit_oracle l r = bool_of_bitU_oracle r >>= (fun r -> return (add_vec_bool l r)) -let add_vec_bit l r = maybe_failwith (add_vec_bit_maybe l r) - -let adds_vec_bool l r = arith_op_bv_bool integerAdd true l r -let adds_vec_bit_maybe l r = Maybe.map (adds_vec_bool l) (bool_of_bitU r) -let adds_vec_bit_fail l r = bool_of_bitU_fail r >>= (fun r -> return (adds_vec_bool l r)) -let adds_vec_bit_oracle l r = bool_of_bitU_oracle r >>= (fun r -> return (adds_vec_bool l r)) -let adds_vec_bit l r = maybe_failwith (adds_vec_bit_maybe l r) - -let sub_vec_bool l r = arith_op_bv_bool integerMinus false l r -let sub_vec_bit_maybe l r = Maybe.map (sub_vec_bool l) (bool_of_bitU r) -let sub_vec_bit_fail l r = bool_of_bitU_fail r >>= (fun r -> return (sub_vec_bool l r)) -let sub_vec_bit_oracle l r = bool_of_bitU_oracle r >>= (fun r -> return (sub_vec_bool l r)) -let sub_vec_bit l r = maybe_failwith (sub_vec_bit_maybe l r) - -let subs_vec_bool l r = arith_op_bv_bool integerMinus true l r -let subs_vec_bit_maybe l r = Maybe.map (subs_vec_bool l) (bool_of_bitU r) -let subs_vec_bit_fail l r = bool_of_bitU_fail r >>= (fun r -> return (subs_vec_bool l r)) -let subs_vec_bit_oracle l r = bool_of_bitU_oracle r >>= (fun r -> return (subs_vec_bool l r)) -let subs_vec_bit l r = maybe_failwith (subs_vec_bit_maybe l r) - -(* TODO -val maybe_mword_of_bits_overflow : forall 'a. Size 'a => (list bitU * bitU * bitU) -> maybe (mword 'a * bitU * bitU) -let maybe_mword_of_bits_overflow (bits, overflow, carry) = - Maybe.map (fun w -> (w, overflow, carry)) (of_bits bits) - -val add_overflow_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> maybe (mword 'a * bitU * bitU) -val adds_overflow_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> maybe (mword 'a * bitU * bitU) -val sub_overflow_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> maybe (mword 'a * bitU * bitU) -val subs_overflow_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> maybe (mword 'a * bitU * bitU) -val mult_overflow_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> maybe (mword 'a * bitU * bitU) -val mults_overflow_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> maybe (mword 'a * bitU * bitU) -let add_overflow_vec l r = maybe_mword_of_bits_overflow (add_overflow_bv l r) -let adds_overflow_vec l r = maybe_mword_of_bits_overflow (adds_overflow_bv l r) -let sub_overflow_vec l r = maybe_mword_of_bits_overflow (sub_overflow_bv l r) -let subs_overflow_vec l r = maybe_mword_of_bits_overflow (subs_overflow_bv l r) -let mult_overflow_vec l r = maybe_mword_of_bits_overflow (mult_overflow_bv l r) -let mults_overflow_vec l r = maybe_mword_of_bits_overflow (mults_overflow_bv l r) - -val add_overflow_vec_bit : forall 'a. Size 'a => mword 'a -> bitU -> (mword 'a * bitU * bitU) -val add_overflow_vec_bit_signed : forall 'a. Size 'a => mword 'a -> bitU -> (mword 'a * bitU * bitU) -val sub_overflow_vec_bit : forall 'a. Size 'a => mword 'a -> bitU -> (mword 'a * bitU * bitU) -val sub_overflow_vec_bit_signed : forall 'a. Size 'a => mword 'a -> bitU -> (mword 'a * bitU * bitU) -let add_overflow_vec_bit = add_overflow_bv_bit -let add_overflow_vec_bit_signed = add_overflow_bv_bit_signed -let sub_overflow_vec_bit = sub_overflow_bv_bit -let sub_overflow_vec_bit_signed = sub_overflow_bv_bit_signed*) - -val shiftl : forall 'a. Size 'a => mword 'a -> integer -> mword 'a -val shiftr : forall 'a. Size 'a => mword 'a -> integer -> mword 'a -val arith_shiftr : forall 'a. Size 'a => mword 'a -> integer -> mword 'a -val rotl : forall 'a. Size 'a => mword 'a -> integer -> mword 'a -val rotr : forall 'a. Size 'a => mword 'a -> integer -> mword 'a -let shiftl = shiftl_mword -let shiftr = shiftr_mword -let arith_shiftr = arith_shiftr_mword -let rotl = rotl_mword -let rotr = rotr_mword - -val mod_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> mword 'a -val mod_vec_maybe : forall 'a. Size 'a => mword 'a -> mword 'a -> maybe (mword 'a) -val mod_vec_fail : forall 'rv 'a 'e. Size 'a => mword 'a -> mword 'a -> monad 'rv (mword 'a) 'e -val mod_vec_oracle : forall 'rv 'a 'e. Size 'a => mword 'a -> mword 'a -> monad 'rv (mword 'a) 'e -let mod_vec l r = mod_mword l r -let mod_vec_maybe l r = mod_bv l r -let mod_vec_fail l r = maybe_fail "mod_vec" (mod_bv l r) -let mod_vec_oracle l r = - match (mod_bv l r) with - | Just w -> return w - | Nothing -> mword_oracle () - end - -val quot_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> mword 'a -val quot_vec_maybe : forall 'a. Size 'a => mword 'a -> mword 'a -> maybe (mword 'a) -val quot_vec_fail : forall 'rv 'a 'e. Size 'a => mword 'a -> mword 'a -> monad 'rv (mword 'a) 'e -val quot_vec_oracle : forall 'rv 'a 'e. Size 'a => mword 'a -> mword 'a -> monad 'rv (mword 'a) 'e -let quot_vec l r = quot_mword l r -let quot_vec_maybe l r = quot_bv l r -let quot_vec_fail l r = maybe_fail "quot_vec" (quot_bv l r) -let quot_vec_oracle l r = - match (quot_bv l r) with - | Just w -> return w - | Nothing -> mword_oracle () - end - -val quots_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> mword 'a -val quots_vec_maybe : forall 'a. Size 'a => mword 'a -> mword 'a -> maybe (mword 'a) -val quots_vec_fail : forall 'rv 'a 'e. Size 'a => mword 'a -> mword 'a -> monad 'rv (mword 'a) 'e -val quots_vec_oracle : forall 'rv 'a 'e. Size 'a => mword 'a -> mword 'a -> monad 'rv (mword 'a) 'e -let quots_vec l r = quots_mword l r -let quots_vec_maybe l r = quots_bv l r -let quots_vec_fail l r = maybe_fail "quots_vec" (quots_bv l r) -let quots_vec_oracle l r = - match (quots_bv l r) with - | Just w -> return w - | Nothing -> mword_oracle () - end - -val mod_vec_int : forall 'a. Size 'a => mword 'a -> integer -> mword 'a -val mod_vec_int_maybe : forall 'a. Size 'a => mword 'a -> integer -> maybe (mword 'a) -val mod_vec_int_fail : forall 'rv 'a 'e. Size 'a => mword 'a -> integer -> monad 'rv (mword 'a) 'e -val mod_vec_int_oracle : forall 'rv 'a 'e. Size 'a => mword 'a -> integer -> monad 'rv (mword 'a) 'e -let mod_vec_int l r = mod_mword_int l r -let mod_vec_int_maybe l r = mod_bv_int l r -let mod_vec_int_fail l r = maybe_fail "mod_vec_int" (mod_bv_int l r) -let mod_vec_int_oracle l r = - match (mod_bv_int l r) with - | Just w -> return w - | Nothing -> mword_oracle () - end - -val quot_vec_int : forall 'a. Size 'a => mword 'a -> integer -> mword 'a -val quot_vec_int_maybe : forall 'a. Size 'a => mword 'a -> integer -> maybe (mword 'a) -val quot_vec_int_fail : forall 'rv 'a 'e. Size 'a => mword 'a -> integer -> monad 'rv (mword 'a) 'e -val quot_vec_int_oracle : forall 'rv 'a 'e. Size 'a => mword 'a -> integer -> monad 'rv (mword 'a) 'e -let quot_vec_int l r = quot_mword_int l r -let quot_vec_int_maybe l r = quot_bv_int l r -let quot_vec_int_fail l r = maybe_fail "quot_vec_int" (quot_bv_int l r) -let quot_vec_int_oracle l r = - match (quot_bv_int l r) with - | Just w -> return w - | Nothing -> mword_oracle () - end - -val replicate_bits : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> mword 'b -let replicate_bits v count = wordFromBitlist (repeat (bitlistFromWord v) count) - -val duplicate_bool : forall 'a. Size 'a => bool -> integer -> mword 'a -let duplicate_bool b n = wordFromBitlist (repeat [b] n) -let duplicate_maybe b n = Maybe.map (fun b -> duplicate_bool b n) (bool_of_bitU b) -let duplicate_fail b n = bool_of_bitU_fail b >>= (fun b -> return (duplicate_bool b n)) -let duplicate_oracle b n = bool_of_bitU_oracle b >>= (fun b -> return (duplicate_bool b n)) -let duplicate b n = maybe_failwith (duplicate_maybe b n) - -val reverse_endianness : forall 'a. Size 'a => mword 'a -> mword 'a -let reverse_endianness v = wordFromBitlist (reverse_endianness_list (bitlistFromWord v)) - -val get_slice_int : forall 'a. Size 'a => integer -> integer -> integer -> mword 'a -let get_slice_int = get_slice_int_bv - -val set_slice_int : forall 'a. Size 'a => integer -> integer -> integer -> mword 'a -> integer -let set_slice_int = set_slice_int_bv - -val slice : forall 'a 'b. Size 'a, Size 'b => mword 'a -> integer -> integer -> mword 'b -let slice v lo len = - subrange_vec_dec v (lo + len - 1) lo - -val set_slice : forall 'a 'b. Size 'a, Size 'b => integer -> integer -> mword 'a -> integer -> mword 'b -> mword 'a -let set_slice (out_len:ii) (slice_len:ii) out (n:ii) v = - update_subrange_vec_dec out (n + slice_len - 1) n v - -val eq_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> bool -val neq_vec : forall 'a. Size 'a => mword 'a -> mword 'a -> bool -let inline eq_vec = eq_mword -let inline neq_vec = neq_mword diff --git a/src/gen_lib/sail_string.lem b/src/gen_lib/sail_string.lem deleted file mode 100644 index 07b39ddc..00000000 --- a/src/gen_lib/sail_string.lem +++ /dev/null @@ -1,150 +0,0 @@ -open import Pervasives -open import List -open import List_extra -open import String -open import String_extra - -open import Sail_operators_mwords -open import Sail_values - -val string_sub : string -> ii -> ii -> string -let string_sub str start len = - toString (take (natFromInteger len) (drop (natFromInteger start) (toCharList str))) - -val string_startswith : string -> string -> bool -let string_startswith str1 str2 = - let prefix = string_sub str1 0 (integerFromNat (stringLength str2)) in - (prefix = str2) - -val string_drop : string -> ii -> string -let string_drop str n = - toString (drop (natFromInteger n) (toCharList str)) - -val string_length : string -> ii -let string_length s = integerFromNat (stringLength s) - -let string_append = stringAppend - -(*********************************************** - * Begin stuff that should be in Lem Num_extra * - ***********************************************) - -val maybeIntegerOfString : string -> maybe integer - -declare ocaml target_rep function maybeIntegerOfString = `(fun s -> match int_of_string_opt s with None -> None | Some i -> Nat_big_num.of_int i)` -declare isabelle target_rep function maybeIntegerOfString = `maybeIntegerOfString` (* TODO FIXME *) -declare hol target_rep function maybeIntegerOfString = `maybeIntegerOfString` (* TODO FIXME *) - -(*********************************************** - * end stuff that should be in Lem Num_extra * - ***********************************************) - -let rec maybe_int_of_prefix s = - match s with - | "" -> Nothing - | str -> - let len = string_length str in - match maybeIntegerOfString str with - | Just n -> Just (n, len) - | Nothing -> maybe_int_of_prefix (string_sub str 0 (len - 1)) - end - end - -let maybe_int_of_string = maybeIntegerOfString - -val n_leading_spaces : string -> ii -let rec n_leading_spaces s = - match string_length s with - | 0 -> 0 - | 1 -> match s with - | " " -> 1 - | _ -> 0 - end - | len -> match nth s 0 with - | #' ' -> 1 + (n_leading_spaces (string_sub s 1 (len - 1))) - | _ -> 0 - end - end - -let opt_spc_matches_prefix s = - Just ((), n_leading_spaces s) - -let spc_matches_prefix s = - let n = n_leading_spaces s in - match n with - | 0 -> Nothing - | n -> Just ((), n) - end - -let hex_bits_5_matches_prefix s = - match maybe_int_of_prefix s with - | Nothing -> Nothing - | Just (n, len) -> - if 0 <= n && n < 32 then - Just ((of_int 5 n, len)) - else - Nothing - end - -let hex_bits_6_matches_prefix s = - match maybe_int_of_prefix s with - | Nothing -> Nothing - | Just (n, len) -> - if 0 <= n && n < 64 then - Just ((of_int 6 n, len)) - else - Nothing - end - -let hex_bits_12_matches_prefix s = - match maybe_int_of_prefix s with - | Nothing -> Nothing - | Just (n, len) -> - if 0 <= n && n < 4096 then - Just ((of_int 12 n, len)) - else - Nothing - end - -let hex_bits_13_matches_prefix s = - match maybe_int_of_prefix s with - | Nothing -> Nothing - | Just (n, len) -> - if 0 <= n && n < 8192 then - Just ((of_int 13 n, len)) - else - Nothing - end - -let hex_bits_20_matches_prefix s = - match maybe_int_of_prefix s with - | Nothing -> Nothing - | Just (n, len) -> - if 0 <= n && n < 1048576 then - Just ((of_int 20 n, len)) - else - Nothing - end - -let hex_bits_21_matches_prefix s = - match maybe_int_of_prefix s with - | Nothing -> Nothing - | Just (n, len) -> - if 0 <= n && n < 2097152 then - Just ((of_int 21 n, len)) - else - Nothing - end - -let hex_bits_32_matches_prefix s = - match maybe_int_of_prefix s with - | Nothing -> Nothing - | Just (n, len) -> - if 0 <= n && n < 4294967296 then - Just ((of_int 2147483648 n, len)) - else - Nothing - end - - -let string_of_bits = string_of_vec diff --git a/src/gen_lib/sail_values.lem b/src/gen_lib/sail_values.lem deleted file mode 100644 index 0f384cab..00000000 --- a/src/gen_lib/sail_values.lem +++ /dev/null @@ -1,949 +0,0 @@ -open import Pervasives_extra -open import Machine_word -(*open import Sail_impl_base*) - - -type ii = integer -type nn = natural - -val nat_of_int : integer -> nat -let nat_of_int i = if i < 0 then 0 else natFromInteger i - -val pow : integer -> integer -> integer -let pow m n = m ** (nat_of_int n) - -let pow2 n = pow 2 n - -let inline lt = (<) -let inline gt = (>) -let inline lteq = (<=) -let inline gteq = (>=) - -val eq : forall 'a. Eq 'a => 'a -> 'a -> bool -let inline eq l r = (l = r) - -val neq : forall 'a. Eq 'a => 'a -> 'a -> bool -let inline neq l r = (l <> r) - -(*let add_int l r = integerAdd l r -let add_signed l r = integerAdd l r -let sub_int l r = integerMinus l r -let mult_int l r = integerMult l r -let div_int l r = integerDiv l r -let div_nat l r = natDiv l r -let power_int_nat l r = integerPow l r -let power_int_int l r = integerPow l (nat_of_int r) -let negate_int i = integerNegate i -let min_int l r = integerMin l r -let max_int l r = integerMax l r - -let add_real l r = realAdd l r -let sub_real l r = realMinus l r -let mult_real l r = realMult l r -let div_real l r = realDiv l r -let negate_real r = realNegate r -let abs_real r = realAbs r -let power_real b e = realPowInteger b e*) - -val print_endline : string -> unit -let print_endline _ = () -declare ocaml target_rep function print_endline = `print_endline` - -val prerr_endline : string -> unit -let prerr_endline _ = () -declare ocaml target_rep function prerr_endline = `prerr_endline` - -val print_int : string -> integer -> unit -let print_int msg i = print_endline (msg ^ (stringFromInteger i)) - -val prerr_int : string -> integer -> unit -let prerr_int msg i = prerr_endline (msg ^ (stringFromInteger i)) - -val putchar : integer -> unit -let putchar _ = () -declare ocaml target_rep function putchar i = (`print_char` (`char_of_int` (`Nat_big_num.to_int` i))) - -val shr_int : ii -> ii -> ii -let rec shr_int x s = if s > 0 then shr_int (x / 2) (s - 1) else x - -val shl_int : integer -> integer -> integer -let rec shl_int i shift = if shift > 0 then 2 * shl_int i (shift - 1) else i - -let inline or_bool l r = (l || r) -let inline and_bool l r = (l && r) -let inline xor_bool l r = xor l r - -let inline append_list l r = l ++ r -let inline length_list xs = integerFromNat (List.length xs) -let take_list n xs = List.take (nat_of_int n) xs -let drop_list n xs = List.drop (nat_of_int n) xs - -val repeat : forall 'a. list 'a -> integer -> list 'a -let rec repeat xs n = - if n <= 0 then [] - else xs ++ repeat xs (n-1) -declare {isabelle} termination_argument repeat = automatic - -let duplicate_to_list bit length = repeat [bit] length - -let rec replace bs (n : integer) b' = match bs with - | [] -> [] - | b :: bs -> - if n = 0 then b' :: bs - else b :: replace bs (n - 1) b' - end -declare {isabelle; hol} termination_argument replace = automatic - -let upper n = n - -(* Modulus operation corresponding to quot below -- result - has sign of dividend. *) -let hardware_mod (a: integer) (b:integer) : integer = - let m = (abs a) mod (abs b) in - if a < 0 then ~m else m - -(* There are different possible answers for integer divide regarding -rounding behaviour on negative operands. Positive operands always -round down so derive the one we want (trucation towards zero) from -that *) -let hardware_quot (a:integer) (b:integer) : integer = - let q = (abs a) / (abs b) in - if ((a<0) = (b<0)) then - q (* same sign -- result positive *) - else - ~q (* different sign -- result negative *) - -let max_64u = (integerPow 2 64) - 1 -let max_64 = (integerPow 2 63) - 1 -let min_64 = 0 - (integerPow 2 63) -let max_32u = (4294967295 : integer) -let max_32 = (2147483647 : integer) -let min_32 = (0 - 2147483648 : integer) -let max_8 = (127 : integer) -let min_8 = (0 - 128 : integer) -let max_5 = (31 : integer) -let min_5 = (0 - 32 : integer) - -(* just_list takes a list of maybes and returns Just xs if all elements have - a value, and Nothing if one of the elements is Nothing. *) -val just_list : forall 'a. list (maybe 'a) -> maybe (list 'a) -let rec just_list l = match l with - | [] -> Just [] - | (x :: xs) -> - match (x, just_list xs) with - | (Just x, Just xs) -> Just (x :: xs) - | (_, _) -> Nothing - end - end -declare {isabelle; hol} termination_argument just_list = automatic - -lemma just_list_spec: - ((forall xs. (just_list xs = Nothing) <-> List.elem Nothing xs) && - (forall xs es. (just_list xs = Just es) <-> (xs = List.map Just es))) - -val maybe_failwith : forall 'a. maybe 'a -> 'a -let maybe_failwith = function - | Just a -> a - | Nothing -> failwith "maybe_failwith" -end - -(*** Bits *) -type bitU = B0 | B1 | BU - -let showBitU = function - | B0 -> "O" - | B1 -> "I" - | BU -> "U" -end - -let bitU_char = function - | B0 -> #'0' - | B1 -> #'1' - | BU -> #'?' -end - -instance (Show bitU) - let show = showBitU -end - -val compare_bitU : bitU -> bitU -> ordering -let compare_bitU l r = match (l, r) with - | (BU, BU) -> EQ - | (B0, B0) -> EQ - | (B1, B1) -> EQ - | (BU, _) -> LT - | (_, BU) -> GT - | (B0, _) -> LT - | (_, _) -> GT -end - -instance (Ord bitU) - let compare = compare_bitU - let (<) l r = (compare_bitU l r) = LT - let (<=) l r = (compare_bitU l r) <> GT - let (>) l r = (compare_bitU l r) = GT - let (>=) l r = (compare_bitU l r) <> LT -end - -class (BitU 'a) - val to_bitU : 'a -> bitU - val of_bitU : bitU -> 'a -end - -instance (BitU bitU) - let to_bitU b = b - let of_bitU b = b -end - -let bool_of_bitU = function - | B0 -> Just false - | B1 -> Just true - | BU -> Nothing - end - -let bitU_of_bool b = if b then B1 else B0 - -(*instance (BitU bool) - let to_bitU = bitU_of_bool - let of_bitU = bool_of_bitU -end*) - -let cast_bit_bool = bool_of_bitU - -let not_bit = function - | B1 -> B0 - | B0 -> B1 - | BU -> BU - end - -val is_one : integer -> bitU -let is_one i = - if i = 1 then B1 else B0 - -val and_bit : bitU -> bitU -> bitU -let and_bit x y = - match (x, y) with - | (B0, _) -> B0 - | (_, B0) -> B0 - | (B1, B1) -> B1 - | (_, _) -> BU - end - -val or_bit : bitU -> bitU -> bitU -let or_bit x y = - match (x, y) with - | (B1, _) -> B1 - | (_, B1) -> B1 - | (B0, B0) -> B0 - | (_, _) -> BU - end - -val xor_bit : bitU -> bitU -> bitU -let xor_bit x y= - match (x, y) with - | (B0, B0) -> B0 - | (B0, B1) -> B1 - | (B1, B0) -> B1 - | (B1, B1) -> B0 - | (_, _) -> BU - end - -val (&.) : bitU -> bitU -> bitU -let inline (&.) x y = and_bit x y - -val (|.) : bitU -> bitU -> bitU -let inline (|.) x y = or_bit x y - -val (+.) : bitU -> bitU -> bitU -let inline (+.) x y = xor_bit x y - - -(*** Bool lists ***) - -val bools_of_nat_aux : integer -> natural -> list bool -> list bool -let rec bools_of_nat_aux len x acc = - if len <= 0 then acc - else bools_of_nat_aux (len - 1) (x / 2) ((if x mod 2 = 1 then true else false) :: acc) - (*else (if x mod 2 = 1 then true else false) :: bools_of_nat_aux (x / 2)*) -declare {isabelle} termination_argument bools_of_nat_aux = automatic -let bools_of_nat len n = bools_of_nat_aux len n [] (*List.reverse (bools_of_nat_aux n)*) - -val nat_of_bools_aux : natural -> list bool -> natural -let rec nat_of_bools_aux acc bs = match bs with - | [] -> acc - | true :: bs -> nat_of_bools_aux ((2 * acc) + 1) bs - | false :: bs -> nat_of_bools_aux (2 * acc) bs -end -declare {isabelle; hol} termination_argument nat_of_bools_aux = automatic -let nat_of_bools bs = nat_of_bools_aux 0 bs - -val unsigned_of_bools : list bool -> integer -let unsigned_of_bools bs = integerFromNatural (nat_of_bools bs) - -val signed_of_bools : list bool -> integer -let signed_of_bools bs = - match bs with - | true :: _ -> 0 - (1 + (unsigned_of_bools (List.map not bs))) - | false :: _ -> unsigned_of_bools bs - | [] -> 0 (* Treat empty list as all zeros *) - end - -val int_of_bools : bool -> list bool -> integer -let int_of_bools sign bs = if sign then signed_of_bools bs else unsigned_of_bools bs - -val pad_list : forall 'a. 'a -> list 'a -> integer -> list 'a -let rec pad_list x xs n = - if n <= 0 then xs else pad_list x (x :: xs) (n - 1) -declare {isabelle} termination_argument pad_list = automatic - -let ext_list pad len xs = - let longer = len - (integerFromNat (List.length xs)) in - if longer < 0 then drop (nat_of_int (abs (longer))) xs - else pad_list pad xs longer - -let extz_bools len bs = ext_list false len bs -let exts_bools len bs = - match bs with - | true :: _ -> ext_list true len bs - | _ -> ext_list false len bs - end - -let rec add_one_bool_ignore_overflow_aux bits = match bits with - | [] -> [] - | false :: bits -> true :: bits - | true :: bits -> false :: add_one_bool_ignore_overflow_aux bits -end -declare {isabelle; hol} termination_argument add_one_bool_ignore_overflow_aux = automatic - -let add_one_bool_ignore_overflow bits = - List.reverse (add_one_bool_ignore_overflow_aux (List.reverse bits)) - -(*let bool_list_of_int n = - let bs_abs = false :: bools_of_nat (naturalFromInteger (abs n)) in - if n >= (0 : integer) then bs_abs - else add_one_bool_ignore_overflow (List.map not bs_abs) -let bools_of_int len n = exts_bools len (bool_list_of_int n)*) -let bools_of_int len n = - let bs_abs = bools_of_nat len (naturalFromInteger (abs n)) in - if n >= (0 : integer) then bs_abs - else add_one_bool_ignore_overflow (List.map not bs_abs) - -(*** Bit lists ***) - -val has_undefined_bits : list bitU -> bool -let has_undefined_bits bs = List.any (function BU -> true | _ -> false end) bs - -let bits_of_nat len n = List.map bitU_of_bool (bools_of_nat len n) - -let nat_of_bits bits = - match (just_list (List.map bool_of_bitU bits)) with - | Just bs -> Just (nat_of_bools bs) - | Nothing -> Nothing - end - -let not_bits = List.map not_bit - -val binop_list : forall 'a. ('a -> 'a -> 'a) -> list 'a -> list 'a -> list 'a -let binop_list op xs ys = - foldr (fun (x, y) acc -> op x y :: acc) [] (zip xs ys) - -let unsigned_of_bits bits = - match (just_list (List.map bool_of_bitU bits)) with - | Just bs -> Just (unsigned_of_bools bs) - | Nothing -> Nothing - end - -let signed_of_bits bits = - match (just_list (List.map bool_of_bitU bits)) with - | Just bs -> Just (signed_of_bools bs) - | Nothing -> Nothing - end - -val int_of_bits : bool -> list bitU -> maybe integer -let int_of_bits sign bs = if sign then signed_of_bits bs else unsigned_of_bits bs - -let extz_bits len bits = ext_list B0 len bits -let exts_bits len bits = - match bits with - | BU :: _ -> ext_list BU len bits - | B1 :: _ -> ext_list B1 len bits - | _ -> ext_list B0 len bits - end - -let rec add_one_bit_ignore_overflow_aux bits = match bits with - | [] -> [] - | B0 :: bits -> B1 :: bits - | B1 :: bits -> B0 :: add_one_bit_ignore_overflow_aux bits - | BU :: bits -> BU :: List.map (fun _ -> BU) bits -end -declare {isabelle; hol} termination_argument add_one_bit_ignore_overflow_aux = automatic - -let add_one_bit_ignore_overflow bits = - List.reverse (add_one_bit_ignore_overflow_aux (List.reverse bits)) - -(*let bit_list_of_int n = List.map bitU_of_bool (bool_list_of_int n) -let bits_of_int len n = exts_bits len (bit_list_of_int n)*) -let bits_of_int len n = List.map bitU_of_bool (bools_of_int len n) - -val arith_op_bits : - (integer -> integer -> integer) -> bool -> list bitU -> list bitU -> list bitU -let arith_op_bits op sign l r = - match (int_of_bits sign l, int_of_bits sign r) with - | (Just li, Just ri) -> bits_of_int (length_list l) (op li ri) - | (_, _) -> repeat [BU] (length_list l) - end - -let char_of_nibble = function - | (B0, B0, B0, B0) -> Just #'0' - | (B0, B0, B0, B1) -> Just #'1' - | (B0, B0, B1, B0) -> Just #'2' - | (B0, B0, B1, B1) -> Just #'3' - | (B0, B1, B0, B0) -> Just #'4' - | (B0, B1, B0, B1) -> Just #'5' - | (B0, B1, B1, B0) -> Just #'6' - | (B0, B1, B1, B1) -> Just #'7' - | (B1, B0, B0, B0) -> Just #'8' - | (B1, B0, B0, B1) -> Just #'9' - | (B1, B0, B1, B0) -> Just #'A' - | (B1, B0, B1, B1) -> Just #'B' - | (B1, B1, B0, B0) -> Just #'C' - | (B1, B1, B0, B1) -> Just #'D' - | (B1, B1, B1, B0) -> Just #'E' - | (B1, B1, B1, B1) -> Just #'F' - | _ -> Nothing - end - -let rec hexstring_of_bits bs = match bs with - | b1 :: b2 :: b3 :: b4 :: bs -> - let n = char_of_nibble (b1, b2, b3, b4) in - let s = hexstring_of_bits bs in - match (n, s) with - | (Just n, Just s) -> Just (n :: s) - | _ -> Nothing - end - | [] -> Just [] - | _ -> Nothing - end -declare {isabelle; hol} termination_argument hexstring_of_bits = automatic - -let show_bitlist bs = - match hexstring_of_bits bs with - | Just s -> toString (#'0' :: #'x' :: s) - | Nothing -> toString (#'0' :: #'b' :: map bitU_char bs) - end - -(*** List operations *) - -let inline (^^) = append_list - -val subrange_list_inc : forall 'a. list 'a -> integer -> integer -> list 'a -let subrange_list_inc xs i j = - let (toJ,_suffix) = List.splitAt (nat_of_int (j + 1)) xs in - let (_prefix,fromItoJ) = List.splitAt (nat_of_int i) toJ in - fromItoJ - -val subrange_list_dec : forall 'a. list 'a -> integer -> integer -> list 'a -let subrange_list_dec xs i j = - let top = (length_list xs) - 1 in - subrange_list_inc xs (top - i) (top - j) - -val subrange_list : forall 'a. bool -> list 'a -> integer -> integer -> list 'a -let subrange_list is_inc xs i j = if is_inc then subrange_list_inc xs i j else subrange_list_dec xs i j - -val update_subrange_list_inc : forall 'a. list 'a -> integer -> integer -> list 'a -> list 'a -let update_subrange_list_inc xs i j xs' = - let (toJ,suffix) = List.splitAt (nat_of_int (j + 1)) xs in - let (prefix,_fromItoJ) = List.splitAt (nat_of_int i) toJ in - prefix ++ xs' ++ suffix - -val update_subrange_list_dec : forall 'a. list 'a -> integer -> integer -> list 'a -> list 'a -let update_subrange_list_dec xs i j xs' = - let top = (length_list xs) - 1 in - update_subrange_list_inc xs (top - i) (top - j) xs' - -val update_subrange_list : forall 'a. bool -> list 'a -> integer -> integer -> list 'a -> list 'a -let update_subrange_list is_inc xs i j xs' = - if is_inc then update_subrange_list_inc xs i j xs' else update_subrange_list_dec xs i j xs' - -val access_list_inc : forall 'a. list 'a -> integer -> 'a -let access_list_inc xs n = List_extra.nth xs (nat_of_int n) - -val access_list_dec : forall 'a. list 'a -> integer -> 'a -let access_list_dec xs n = - let top = (length_list xs) - 1 in - access_list_inc xs (top - n) - -val access_list : forall 'a. bool -> list 'a -> integer -> 'a -let access_list is_inc xs n = - if is_inc then access_list_inc xs n else access_list_dec xs n - -val update_list_inc : forall 'a. list 'a -> integer -> 'a -> list 'a -let update_list_inc xs n x = List.update xs (nat_of_int n) x - -val update_list_dec : forall 'a. list 'a -> integer -> 'a -> list 'a -let update_list_dec xs n x = - let top = (length_list xs) - 1 in - update_list_inc xs (top - n) x - -val update_list : forall 'a. bool -> list 'a -> integer -> 'a -> list 'a -let update_list is_inc xs n x = - if is_inc then update_list_inc xs n x else update_list_dec xs n x - -let extract_only_bit = function - | [] -> BU - | [e] -> e - | _ -> BU -end - -(*** Machine words *) - -val length_mword : forall 'a. mword 'a -> integer -let inline length_mword w = integerFromNat (word_length w) - -val slice_mword_dec : forall 'a 'b. mword 'a -> integer -> integer -> mword 'b -let slice_mword_dec w i j = word_extract (nat_of_int i) (nat_of_int j) w - -val slice_mword_inc : forall 'a 'b. mword 'a -> integer -> integer -> mword 'b -let slice_mword_inc w i j = - let top = (length_mword w) - 1 in - slice_mword_dec w (top - i) (top - j) - -val slice_mword : forall 'a 'b. bool -> mword 'a -> integer -> integer -> mword 'b -let slice_mword is_inc w i j = if is_inc then slice_mword_inc w i j else slice_mword_dec w i j - -val update_slice_mword_dec : forall 'a 'b. mword 'a -> integer -> integer -> mword 'b -> mword 'a -let update_slice_mword_dec w i j w' = word_update w (nat_of_int i) (nat_of_int j) w' - -val update_slice_mword_inc : forall 'a 'b. mword 'a -> integer -> integer -> mword 'b -> mword 'a -let update_slice_mword_inc w i j w' = - let top = (length_mword w) - 1 in - update_slice_mword_dec w (top - i) (top - j) w' - -val update_slice_mword : forall 'a 'b. bool -> mword 'a -> integer -> integer -> mword 'b -> mword 'a -let update_slice_mword is_inc w i j w' = - if is_inc then update_slice_mword_inc w i j w' else update_slice_mword_dec w i j w' - -val access_mword_dec : forall 'a. mword 'a -> integer -> bitU -let access_mword_dec w n = bitU_of_bool (getBit w (nat_of_int n)) - -val access_mword_inc : forall 'a. mword 'a -> integer -> bitU -let access_mword_inc w n = - let top = (length_mword w) - 1 in - access_mword_dec w (top - n) - -val access_mword : forall 'a. bool -> mword 'a -> integer -> bitU -let access_mword is_inc w n = - if is_inc then access_mword_inc w n else access_mword_dec w n - -val update_mword_bool_dec : forall 'a. mword 'a -> integer -> bool -> mword 'a -let update_mword_bool_dec w n b = setBit w (nat_of_int n) b -let update_mword_dec w n b = Maybe.map (update_mword_bool_dec w n) (bool_of_bitU b) - -val update_mword_bool_inc : forall 'a. mword 'a -> integer -> bool -> mword 'a -let update_mword_bool_inc w n b = - let top = (length_mword w) - 1 in - update_mword_bool_dec w (top - n) b -let update_mword_inc w n b = Maybe.map (update_mword_bool_inc w n) (bool_of_bitU b) - -val int_of_mword : forall 'a. bool -> mword 'a -> integer -let int_of_mword sign w = - if sign then signedIntegerFromWord w else unsignedIntegerFromWord w - -(* Translating between a type level number (itself 'n) and an integer *) - -let size_itself_int x = integerFromNat (size_itself x) - -(* NB: the corresponding sail type is forall 'n. atom('n) -> itself('n), - the actual integer is ignored. *) - -val make_the_value : forall 'n. integer -> itself 'n -let make_the_value _ = the_value - -(*** Bitvectors *) - -class (Bitvector 'a) - val bits_of : 'a -> list bitU - (* We allow of_bits to be partial, as not all bitvector representations - support undefined bits *) - val of_bits : list bitU -> maybe 'a - val of_bools : list bool -> 'a - val length : 'a -> integer - (* of_int: the first parameter specifies the desired length of the bitvector *) - val of_int : integer -> integer -> 'a - (* Conversion to integers is undefined if any bit is undefined *) - val unsigned : 'a -> maybe integer - val signed : 'a -> maybe integer - (* Lifting of integer operations to bitvectors: The boolean flag indicates - whether to treat the bitvectors as signed (true) or not (false). *) - val arith_op_bv : (integer -> integer -> integer) -> bool -> 'a -> 'a -> 'a -end - -val of_bits_failwith : forall 'a. Bitvector 'a => list bitU -> 'a -let of_bits_failwith bits = maybe_failwith (of_bits bits) - -let int_of_bv sign = if sign then signed else unsigned - -instance forall 'a. BitU 'a => (Bitvector (list 'a)) - let bits_of v = List.map to_bitU v - let of_bits v = Just (List.map of_bitU v) - let of_bools v = List.map of_bitU (List.map bitU_of_bool v) - let of_int len n = List.map of_bitU (bits_of_int len n) - let length = length_list - let unsigned v = unsigned_of_bits (List.map to_bitU v) - let signed v = signed_of_bits (List.map to_bitU v) - let arith_op_bv op sign l r = List.map of_bitU (arith_op_bits op sign (List.map to_bitU l) (List.map to_bitU r)) -end - -instance forall 'a. Size 'a => (Bitvector (mword 'a)) - let bits_of v = List.map bitU_of_bool (bitlistFromWord v) - let of_bits v = Maybe.map wordFromBitlist (just_list (List.map bool_of_bitU v)) - let of_bools v = wordFromBitlist v - let of_int = (fun _ n -> wordFromInteger n) - let length v = integerFromNat (word_length v) - let unsigned v = Just (unsignedIntegerFromWord v) - let signed v = Just (signedIntegerFromWord v) - let arith_op_bv op sign l r = wordFromInteger (op (int_of_mword sign l) (int_of_mword sign r)) -end - -let access_bv_inc v n = access_list true (bits_of v) n -let access_bv_dec v n = access_list false (bits_of v) n - -let update_bv_inc v n b = update_list true (bits_of v) n b -let update_bv_dec v n b = update_list false (bits_of v) n b - -let subrange_bv_inc v i j = subrange_list true (bits_of v) i j -let subrange_bv_dec v i j = subrange_list false (bits_of v) i j - -let update_subrange_bv_inc v i j v' = update_subrange_list true (bits_of v) i j (bits_of v') -let update_subrange_bv_dec v i j v' = update_subrange_list false (bits_of v) i j (bits_of v') - -val extz_bv : forall 'a. Bitvector 'a => integer -> 'a -> list bitU -let extz_bv n v = extz_bits n (bits_of v) - -val exts_bv : forall 'a. Bitvector 'a => integer -> 'a -> list bitU -let exts_bv n v = exts_bits n (bits_of v) - -val string_of_bv : forall 'a. Bitvector 'a => 'a -> string -let string_of_bv v = show_bitlist (bits_of v) - -(*** Bytes and addresses *) - -type memory_byte = list bitU - -val byte_chunks : forall 'a. list 'a -> maybe (list (list 'a)) -let rec byte_chunks bs = match bs with - | [] -> Just [] - | a::b::c::d::e::f::g::h::rest -> - Maybe.bind (byte_chunks rest) (fun rest -> Just ([a;b;c;d;e;f;g;h] :: rest)) - | _ -> Nothing -end -declare {isabelle; hol} termination_argument byte_chunks = automatic - -val bytes_of_bits : forall 'a. Bitvector 'a => 'a -> maybe (list memory_byte) -let bytes_of_bits bs = byte_chunks (bits_of bs) - -val bits_of_bytes : list memory_byte -> list bitU -let bits_of_bytes bs = List.concat (List.map bits_of bs) - -let mem_bytes_of_bits bs = Maybe.map List.reverse (bytes_of_bits bs) -let bits_of_mem_bytes bs = bits_of_bytes (List.reverse bs) - -(*val bitv_of_byte_lifteds : list Sail_impl_base.byte_lifted -> list bitU -let bitv_of_byte_lifteds v = - foldl (fun x (Byte_lifted y) -> x ++ (List.map bitU_of_bit_lifted y)) [] v - -val bitv_of_bytes : list Sail_impl_base.byte -> list bitU -let bitv_of_bytes v = - foldl (fun x (Byte y) -> x ++ (List.map bitU_of_bit y)) [] v - -val byte_lifteds_of_bitv : list bitU -> list byte_lifted -let byte_lifteds_of_bitv bits = - let bits = List.map bit_lifted_of_bitU bits in - byte_lifteds_of_bit_lifteds bits - -val bytes_of_bitv : list bitU -> list byte -let bytes_of_bitv bits = - let bits = List.map bit_of_bitU bits in - bytes_of_bits bits - -val bit_lifteds_of_bitUs : list bitU -> list bit_lifted -let bit_lifteds_of_bitUs bits = List.map bit_lifted_of_bitU bits - -val bit_lifteds_of_bitv : list bitU -> list bit_lifted -let bit_lifteds_of_bitv v = bit_lifteds_of_bitUs v - - -val address_lifted_of_bitv : list bitU -> address_lifted -let address_lifted_of_bitv v = - let byte_lifteds = byte_lifteds_of_bitv v in - let maybe_address_integer = - match (maybe_all (List.map byte_of_byte_lifted byte_lifteds)) with - | Just bs -> Just (integer_of_byte_list bs) - | _ -> Nothing - end in - Address_lifted byte_lifteds maybe_address_integer - -val bitv_of_address_lifted : address_lifted -> list bitU -let bitv_of_address_lifted (Address_lifted bs _) = bitv_of_byte_lifteds bs - -val address_of_bitv : list bitU -> address -let address_of_bitv v = - let bytes = bytes_of_bitv v in - address_of_byte_list bytes*) - -let rec reverse_endianness_list bits = - if List.length bits <= 8 then bits else - reverse_endianness_list (drop_list 8 bits) ++ take_list 8 bits - - -(*** Registers *) - -(*type register_field = string -type register_field_index = string * (integer * integer) (* name, start and end *) - -type register = - | Register of string * (* name *) - integer * (* length *) - integer * (* start index *) - bool * (* is increasing *) - list register_field_index - | UndefinedRegister of integer (* length *) - | RegisterPair of register * register*) - -type register_ref 'regstate 'regval 'a = - <| name : string; - (*is_inc : bool;*) - read_from : 'regstate -> 'a; - write_to : 'a -> 'regstate -> 'regstate; - of_regval : 'regval -> maybe 'a; - regval_of : 'a -> 'regval |> - -(* Register accessors: pair of functions for reading and writing register values *) -type register_accessors 'regstate 'regval = - ((string -> 'regstate -> maybe 'regval) * - (string -> 'regval -> 'regstate -> maybe 'regstate)) - -type field_ref 'regtype 'a = - <| field_name : string; - field_start : integer; - field_is_inc : bool; - get_field : 'regtype -> 'a; - set_field : 'regtype -> 'a -> 'regtype |> - -(*let name_of_reg = function - | Register name _ _ _ _ -> name - | UndefinedRegister _ -> failwith "name_of_reg UndefinedRegister" - | RegisterPair _ _ -> failwith "name_of_reg RegisterPair" -end - -let size_of_reg = function - | Register _ size _ _ _ -> size - | UndefinedRegister size -> size - | RegisterPair _ _ -> failwith "size_of_reg RegisterPair" -end - -let start_of_reg = function - | Register _ _ start _ _ -> start - | UndefinedRegister _ -> failwith "start_of_reg UndefinedRegister" - | RegisterPair _ _ -> failwith "start_of_reg RegisterPair" -end - -let is_inc_of_reg = function - | Register _ _ _ is_inc _ -> is_inc - | UndefinedRegister _ -> failwith "is_inc_of_reg UndefinedRegister" - | RegisterPair _ _ -> failwith "in_inc_of_reg RegisterPair" -end - -let dir_of_reg = function - | Register _ _ _ is_inc _ -> dir_of_bool is_inc - | UndefinedRegister _ -> failwith "dir_of_reg UndefinedRegister" - | RegisterPair _ _ -> failwith "dir_of_reg RegisterPair" -end - -let size_of_reg_nat reg = natFromInteger (size_of_reg reg) -let start_of_reg_nat reg = natFromInteger (start_of_reg reg) - -val register_field_indices_aux : register -> register_field -> maybe (integer * integer) -let rec register_field_indices_aux register rfield = - match register with - | Register _ _ _ _ rfields -> List.lookup rfield rfields - | RegisterPair r1 r2 -> - let m_indices = register_field_indices_aux r1 rfield in - if isJust m_indices then m_indices else register_field_indices_aux r2 rfield - | UndefinedRegister _ -> Nothing - end - -val register_field_indices : register -> register_field -> integer * integer -let register_field_indices register rfield = - match register_field_indices_aux register rfield with - | Just indices -> indices - | Nothing -> failwith "Invalid register/register-field combination" - end - -let register_field_indices_nat reg regfield= - let (i,j) = register_field_indices reg regfield in - (natFromInteger i,natFromInteger j)*) - -(*let rec external_reg_value reg_name v = - let (internal_start, external_start, direction) = - match reg_name with - | Reg _ start size dir -> - (start, (if dir = D_increasing then start else (start - (size +1))), dir) - | Reg_slice _ reg_start dir (slice_start, _) -> - ((if dir = D_increasing then slice_start else (reg_start - slice_start)), - slice_start, dir) - | Reg_field _ reg_start dir _ (slice_start, _) -> - ((if dir = D_increasing then slice_start else (reg_start - slice_start)), - slice_start, dir) - | Reg_f_slice _ reg_start dir _ _ (slice_start, _) -> - ((if dir = D_increasing then slice_start else (reg_start - slice_start)), - slice_start, dir) - end in - let bits = bit_lifteds_of_bitv v in - <| rv_bits = bits; - rv_dir = direction; - rv_start = external_start; - rv_start_internal = internal_start |> - -val internal_reg_value : register_value -> list bitU -let internal_reg_value v = - List.map bitU_of_bit_lifted v.rv_bits - (*(integerFromNat v.rv_start_internal) - (v.rv_dir = D_increasing)*) - - -let external_slice (d:direction) (start:nat) ((i,j):(nat*nat)) = - match d with - (*This is the case the thread/concurrecny model expects, so no change needed*) - | D_increasing -> (i,j) - | D_decreasing -> let slice_i = start - i in - let slice_j = (i - j) + slice_i in - (slice_i,slice_j) - end *) - -(* TODO -let external_reg_whole r = - Reg (r.name) (natFromInteger r.start) (natFromInteger r.size) (dir_of_bool r.is_inc) - -let external_reg_slice r (i,j) = - let start = natFromInteger r.start in - let dir = dir_of_bool r.is_inc in - Reg_slice (r.name) start dir (external_slice dir start (i,j)) - -let external_reg_field_whole reg rfield = - let (m,n) = register_field_indices_nat reg rfield in - let start = start_of_reg_nat reg in - let dir = dir_of_reg reg in - Reg_field (name_of_reg reg) start dir rfield (external_slice dir start (m,n)) - -let external_reg_field_slice reg rfield (i,j) = - let (m,n) = register_field_indices_nat reg rfield in - let start = start_of_reg_nat reg in - let dir = dir_of_reg reg in - Reg_f_slice (name_of_reg reg) start dir rfield - (external_slice dir start (m,n)) - (external_slice dir start (i,j))*) - -(*val external_mem_value : list bitU -> memory_value -let external_mem_value v = - byte_lifteds_of_bitv v $> List.reverse - -val internal_mem_value : memory_value -> list bitU -let internal_mem_value bytes = - List.reverse bytes $> bitv_of_byte_lifteds*) - - -val foreach : forall 'a 'vars. - (list 'a) -> 'vars -> ('a -> 'vars -> 'vars) -> 'vars -let rec foreach l vars body = - match l with - | [] -> vars - | (x :: xs) -> foreach xs (body x vars) body - end - -declare {isabelle; hol} termination_argument foreach = automatic - -val index_list : integer -> integer -> integer -> list integer -let rec index_list from to step = - if (step > 0 && from <= to) || (step < 0 && to <= from) then - from :: index_list (from + step) to step - else [] - -val while : forall 'vars. 'vars -> ('vars -> bool) -> ('vars -> 'vars) -> 'vars -let rec while vars cond body = - if cond vars then while (body vars) cond body else vars - -val until : forall 'vars. 'vars -> ('vars -> bool) -> ('vars -> 'vars) -> 'vars -let rec until vars cond body = - let vars = body vars in - if cond vars then vars else until (body vars) cond body - - -(* convert numbers unsafely to naturals *) - -class (ToNatural 'a) val toNatural : 'a -> natural end -(* eta-expanded for Isabelle output, otherwise it breaks *) -instance (ToNatural integer) let toNatural = (fun n -> naturalFromInteger n) end -instance (ToNatural int) let toNatural = (fun n -> naturalFromInt n) end -instance (ToNatural nat) let toNatural = (fun n -> naturalFromNat n) end -instance (ToNatural natural) let toNatural = (fun n -> n) end - -let toNaturalFiveTup (n1,n2,n3,n4,n5) = - (toNatural n1, - toNatural n2, - toNatural n3, - toNatural n4, - toNatural n5) - -(* Let the following types be generated by Sail per spec, using either bitlists - or machine words as bitvector representation *) -(*type regfp = - | RFull of (string) - | RSlice of (string * integer * integer) - | RSliceBit of (string * integer) - | RField of (string * string) - -type niafp = - | NIAFP_successor - | NIAFP_concrete_address of vector bitU - | NIAFP_indirect_address - -(* only for MIPS *) -type diafp = - | DIAFP_none - | DIAFP_concrete of vector bitU - | DIAFP_reg of regfp - -let regfp_to_reg (reg_info : string -> maybe string -> (nat * nat * direction * (nat * nat))) = function - | RFull name -> - let (start,length,direction,_) = reg_info name Nothing in - Reg name start length direction - | RSlice (name,i,j) -> - let i = natFromInteger i in - let j = natFromInteger j in - let (start,length,direction,_) = reg_info name Nothing in - let slice = external_slice direction start (i,j) in - Reg_slice name start direction slice - | RSliceBit (name,i) -> - let i = natFromInteger i in - let (start,length,direction,_) = reg_info name Nothing in - let slice = external_slice direction start (i,i) in - Reg_slice name start direction slice - | RField (name,field_name) -> - let (start,length,direction,span) = reg_info name (Just field_name) in - let slice = external_slice direction start span in - Reg_field name start direction field_name slice -end - -let niafp_to_nia reginfo = function - | NIAFP_successor -> NIA_successor - | NIAFP_concrete_address v -> NIA_concrete_address (address_of_bitv v) - | NIAFP_indirect_address -> NIA_indirect_address -end - -let diafp_to_dia reginfo = function - | DIAFP_none -> DIA_none - | DIAFP_concrete v -> DIA_concrete_address (address_of_bitv v) - | DIAFP_reg r -> DIA_register (regfp_to_reg reginfo r) -end -*) diff --git a/src/gen_lib/state.lem b/src/gen_lib/state.lem deleted file mode 100644 index f69f59c1..00000000 --- a/src/gen_lib/state.lem +++ /dev/null @@ -1,85 +0,0 @@ -open import Pervasives_extra -open import Sail_values -open import State_monad -open import {isabelle} `State_monad_lemmas` - -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 >>$= fun vars -> - foreachS xs vars body -end - -declare {isabelle} termination_argument foreachS = automatic - -val and_boolS : forall 'rv 'e. monadS 'rv bool 'e -> monadS 'rv bool 'e -> monadS 'rv bool 'e -let and_boolS l r = l >>$= (fun l -> if l then r else returnS false) - -val or_boolS : forall 'rv 'e. monadS 'rv bool 'e -> monadS 'rv bool 'e -> monadS 'rv bool 'e -let or_boolS l r = l >>$= (fun l -> if l then returnS true else r) - -val bool_of_bitU_fail : forall 'rv 'e. bitU -> monadS 'rv bool 'e -let bool_of_bitU_fail = function - | B0 -> returnS false - | B1 -> returnS true - | BU -> failS "bool_of_bitU" -end - -val bool_of_bitU_oracleS : forall 'rv 'e. bitU -> monadS 'rv bool 'e -let bool_of_bitU_oracleS = function - | B0 -> returnS false - | B1 -> returnS true - | BU -> undefined_boolS () -end - -val bools_of_bits_oracleS : forall 'rv 'e. list bitU -> monadS 'rv (list bool) 'e -let bools_of_bits_oracleS bits = - foreachS bits [] - (fun b bools -> - bool_of_bitU_oracleS b >>$= (fun b -> - returnS (bools ++ [b]))) - -val of_bits_oracleS : forall 'rv 'a 'e. Bitvector 'a => list bitU -> monadS 'rv 'a 'e -let of_bits_oracleS bits = - bools_of_bits_oracleS bits >>$= (fun bs -> - returnS (of_bools bs)) - -val of_bits_failS : forall 'rv 'a 'e. Bitvector 'a => list bitU -> monadS 'rv 'a 'e -let of_bits_failS bits = maybe_failS "of_bits" (of_bits bits) - -val mword_oracleS : forall 'rv 'a 'e. Size 'a => unit -> monadS 'rv (mword 'a) 'e -let mword_oracleS () = - bools_of_bits_oracleS (repeat [BU] (integerFromNat size)) >>$= (fun bs -> - returnS (wordFromBitlist bs)) - - -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 diff --git a/src/gen_lib/state_lifting.lem b/src/gen_lib/state_lifting.lem deleted file mode 100644 index 7e569a7e..00000000 --- a/src/gen_lib/state_lifting.lem +++ /dev/null @@ -1,27 +0,0 @@ -open import Pervasives_extra -open import Sail_values -open import Prompt_monad -open import Prompt -open import State_monad -open import {isabelle} `State_monad_lemmas` - -(* 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_tag a t k) -> bindS (write_tagS a 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)) - | (Undefined k) -> bindS (undefined_boolS ()) (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 - | (Print _ k) -> liftState ra k (* TODO *) - | (Fail descr) -> failS descr - | (Exception e) -> throwS e -end diff --git a/src/gen_lib/state_monad.lem b/src/gen_lib/state_monad.lem deleted file mode 100644 index 89021890..00000000 --- a/src/gen_lib/state_monad.lem +++ /dev/null @@ -1,280 +0,0 @@ -open import Pervasives_extra -open import Sail_instr_kinds -open import Sail_values - -(* 'a is result type *) - -type memstate = map integer memory_byte -type tagstate = map integer bitU -(* type regstate = map string (vector bitU) *) - -type sequential_state 'regs = - <| regstate : 'regs; - memstate : memstate; - tagstate : tagstate; - write_ea : maybe (write_kind * integer * integer); - last_exclusive_operation_was_load : bool; - (* Random bool generator for use as an undefined bit oracle *) - next_bool : nat -> (bool * nat); - seed : nat |> - -val init_state : forall 'regs. 'regs -> (nat -> (bool* nat)) -> nat -> sequential_state 'regs -let init_state regs o s = - <| regstate = regs; - memstate = Map.empty; - tagstate = Map.empty; - write_ea = Nothing; - last_exclusive_operation_was_load = false; - next_bool = o; - seed = s |> - -type ex 'e = - | Failure of string - | Throw of 'e - -type result 'a 'e = - | Value of 'a - | Ex of (ex 'e) - -(* State, nondeterminism and exception monad with result value type 'a - and exception type 'e. *) -type monadS 'regs 'a 'e = sequential_state 'regs -> set (result 'a 'e * sequential_state 'regs) - -val returnS : forall 'regs 'a 'e. 'a -> monadS 'regs 'a 'e -let returnS a s = {(Value a,s)} - -val bindS : forall 'regs 'a 'b 'e. monadS 'regs 'a 'e -> ('a -> monadS 'regs 'b 'e) -> monadS 'regs 'b 'e -let bindS m f (s : sequential_state 'regs) = - Set.bigunion (Set.map (function - | (Value a, s') -> f a s' - | (Ex e, s') -> {(Ex e, s')} - end) (m s)) - -val seqS: forall 'regs 'b 'e. monadS 'regs unit 'e -> monadS 'regs 'b 'e -> monadS 'regs 'b 'e -let seqS m n = bindS m (fun (_ : unit) -> n) - -let inline (>>$=) = bindS -let inline (>>$) = seqS - -val chooseS : forall 'regs 'a 'e. SetType 'a => set 'a -> monadS 'regs 'a 'e -let chooseS xs s = Set.map (fun x -> (Value x, s)) xs - -val readS : forall 'regs 'a 'e. (sequential_state 'regs -> 'a) -> monadS 'regs 'a 'e -let readS f = (fun s -> returnS (f s) s) - -val updateS : forall 'regs 'e. (sequential_state 'regs -> sequential_state 'regs) -> monadS 'regs unit 'e -let updateS f = (fun s -> returnS () (f s)) - -val failS : forall 'regs 'a 'e. string -> monadS 'regs 'a 'e -let failS msg s = {(Ex (Failure msg), s)} - -val undefined_boolS : forall 'regval 'regs 'a 'e. unit -> monadS 'regs bool 'e -let undefined_boolS () = - readS (fun s -> s.next_bool (s.seed)) >>$= (fun (b, seed) -> - updateS (fun s -> <| s with seed = seed |>) >>$ - returnS b) - -val exitS : forall 'regs 'e 'a. unit -> monadS 'regs 'a 'e -let exitS () = failS "exit" - -val throwS : forall 'regs 'a 'e. 'e -> monadS 'regs 'a 'e -let throwS e s = {(Ex (Throw e), s)} - -val try_catchS : forall 'regs 'a 'e1 'e2. monadS 'regs 'a 'e1 -> ('e1 -> monadS 'regs 'a 'e2) -> monadS 'regs 'a 'e2 -let try_catchS m h s = - Set.bigunion (Set.map (function - | (Value a, s') -> returnS a s' - | (Ex (Throw e), s') -> h e s' - | (Ex (Failure msg), s') -> {(Ex (Failure msg), s')} - end) (m s)) - -val assert_expS : forall 'regs 'e. bool -> string -> monadS 'regs unit 'e -let assert_expS exp msg = if exp then returnS () else failS msg - -(* For early return, we abuse exceptions by throwing and catching - the return value. The exception type is "either 'r 'e", where "Right e" - represents a proper exception and "Left r" an early return of value "r". *) -type monadRS 'regs 'a 'r 'e = monadS 'regs 'a (either 'r 'e) - -val early_returnS : forall 'regs 'a 'r 'e. 'r -> monadRS 'regs 'a 'r 'e -let early_returnS r = throwS (Left r) - -val catch_early_returnS : forall 'regs 'a 'e. monadRS 'regs 'a 'a 'e -> monadS 'regs 'a 'e -let catch_early_returnS m = - try_catchS m - (function - | Left a -> returnS a - | Right e -> throwS e - end) - -(* Lift to monad with early return by wrapping exceptions *) -val liftRS : forall 'a 'r 'regs 'e. monadS 'regs 'a 'e -> monadRS 'regs 'a 'r 'e -let liftRS m = try_catchS m (fun e -> throwS (Right e)) - -(* Catch exceptions in the presence of early returns *) -val try_catchRS : forall 'regs 'a 'r 'e1 'e2. monadRS 'regs 'a 'r 'e1 -> ('e1 -> monadRS 'regs 'a 'r 'e2) -> monadRS 'regs 'a 'r 'e2 -let try_catchRS m h = - try_catchS m - (function - | Left r -> throwS (Left r) - | Right e -> h e - end) - -val maybe_failS : forall 'regs 'a 'e. string -> maybe 'a -> monadS 'regs 'a 'e -let maybe_failS msg = function - | Just a -> returnS a - | Nothing -> failS msg -end - -val read_tagS : forall 'regs 'a 'e. Bitvector 'a => 'a -> monadS 'regs bitU 'e -let read_tagS addr = - maybe_failS "unsigned" (unsigned addr) >>$= (fun addr -> - readS (fun s -> fromMaybe B0 (Map.lookup addr s.tagstate))) - -(* Read bytes from memory and return in little endian order *) -val read_mem_bytesS : forall 'regs 'e 'a. Bitvector 'a => read_kind -> 'a -> nat -> monadS 'regs (list memory_byte) 'e -let read_mem_bytesS read_kind addr sz = - maybe_failS "unsigned" (unsigned addr) >>$= (fun addr -> - let sz = integerFromNat sz in - let addrs = index_list addr (addr+sz-1) 1 in - let read_byte s addr = Map.lookup addr s.memstate in - readS (fun s -> just_list (List.map (read_byte s) addrs)) >>$= (function - | Just mem_val -> - updateS (fun s -> - if read_is_exclusive read_kind - then <| s with last_exclusive_operation_was_load = true |> - else s) >>$ - returnS mem_val - | Nothing -> failS "read_memS" - end)) - -val read_memS : forall 'regs 'e 'a 'b. Bitvector 'a, Bitvector 'b => read_kind -> 'a -> integer -> monadS 'regs 'b 'e -let read_memS rk a sz = - read_mem_bytesS rk a (nat_of_int sz) >>$= (fun bytes -> - maybe_failS "bits_of_mem_bytes" (of_bits (bits_of_mem_bytes bytes))) - -val excl_resultS : forall 'regs 'e. unit -> monadS 'regs bool 'e -let excl_resultS () = - readS (fun s -> s.last_exclusive_operation_was_load) >>$= (fun excl_load -> - updateS (fun s -> <| s with last_exclusive_operation_was_load = false |>) >>$ - chooseS (if excl_load then {false; true} else {false})) - -val write_mem_eaS : forall 'regs 'e 'a. Bitvector 'a => write_kind -> 'a -> nat -> monadS 'regs unit 'e -let write_mem_eaS write_kind addr sz = - maybe_failS "unsigned" (unsigned addr) >>$= (fun addr -> - let sz = integerFromNat sz in - updateS (fun s -> <| s with write_ea = Just (write_kind, addr, sz) |>)) - -(* Write little-endian list of bytes to previously announced address *) -val write_mem_bytesS : forall 'regs 'e. list memory_byte -> monadS 'regs bool 'e -let write_mem_bytesS v = - readS (fun s -> s.write_ea) >>$= (function - | Nothing -> failS "write ea has not been announced yet" - | Just (_, addr, sz) -> - let addrs = index_list addr (addr+sz-1) 1 in - (*let v = external_mem_value (bits_of v) in*) - let a_v = List.zip addrs v in - let write_byte mem (addr, v) = Map.insert addr v mem in - updateS (fun s -> - <| s with memstate = List.foldl write_byte s.memstate a_v |>) >>$ - returnS true - end) - -val write_mem_valS : forall 'regs 'e 'a. Bitvector 'a => 'a -> monadS 'regs bool 'e -let write_mem_valS v = match mem_bytes_of_bits v with - | Just v -> write_mem_bytesS v - | Nothing -> failS "write_mem_val" -end - -val write_tagS : forall 'regs 'a 'e. Bitvector 'a => 'a -> bitU -> monadS 'regs bool 'e -let write_tagS addr t = - maybe_failS "unsigned" (unsigned addr) >>$= (fun addr -> - updateS (fun s -> <| s with tagstate = Map.insert addr t s.tagstate |>) >>$ - returnS true) - -val read_regS : forall 'regs 'rv 'a 'e. register_ref 'regs 'rv 'a -> monadS 'regs 'a 'e -let read_regS reg = readS (fun s -> reg.read_from s.regstate) - -(* TODO -let read_reg_range reg i j state = - let v = slice (get_reg state (name_of_reg reg)) i j in - [(Value (vec_to_bvec v),state)] -let read_reg_bit reg i state = - let v = access (get_reg state (name_of_reg reg)) i in - [(Value v,state)] -let read_reg_field reg regfield = - let (i,j) = register_field_indices reg regfield in - read_reg_range reg i j -let read_reg_bitfield reg regfield = - let (i,_) = register_field_indices reg regfield in - read_reg_bit reg i *) - -val read_regvalS : forall 'regs 'rv 'e. - register_accessors 'regs 'rv -> string -> monadS 'regs 'rv 'e -let read_regvalS (read, _) reg = - readS (fun s -> read reg s.regstate) >>$= (function - | Just v -> returnS v - | Nothing -> failS ("read_regvalS " ^ reg) - end) - -val write_regvalS : forall 'regs 'rv 'e. - register_accessors 'regs 'rv -> string -> 'rv -> monadS 'regs unit 'e -let write_regvalS (_, write) reg v = - readS (fun s -> write reg v s.regstate) >>$= (function - | Just rs' -> updateS (fun s -> <| s with regstate = rs' |>) - | Nothing -> failS ("write_regvalS " ^ reg) - end) - -val write_regS : forall 'regs 'rv 'a 'e. register_ref 'regs 'rv 'a -> 'a -> monadS 'regs unit 'e -let write_regS reg v = - updateS (fun s -> <| s with regstate = reg.write_to v s.regstate |>) - -(* TODO -val update_reg : forall 'regs 'rv 'a 'b 'e. register_ref 'regs 'rv 'a -> ('a -> 'b -> 'a) -> 'b -> monadS 'regs unit 'e -let update_reg reg f v state = - let current_value = get_reg state reg in - let new_value = f current_value v in - [(Value (), set_reg state reg new_value)] - -let write_reg_field reg regfield = update_reg reg regfield.set_field - -val update_reg_range : forall 'regs 'rv 'a 'b. Bitvector 'a, Bitvector 'b => register_ref 'regs 'rv 'a -> integer -> integer -> 'a -> 'b -> 'a -let update_reg_range reg i j reg_val new_val = set_bits (reg.is_inc) reg_val i j (bits_of new_val) -let write_reg_range reg i j = update_reg reg (update_reg_range reg i j) - -let update_reg_pos reg i reg_val x = update_list reg.is_inc reg_val i x -let write_reg_pos reg i = update_reg reg (update_reg_pos reg i) - -let update_reg_bit reg i reg_val bit = set_bit (reg.is_inc) reg_val i (to_bitU bit) -let write_reg_bit reg i = update_reg reg (update_reg_bit reg i) - -let update_reg_field_range regfield i j reg_val new_val = - let current_field_value = regfield.get_field reg_val in - let new_field_value = set_bits (regfield.field_is_inc) current_field_value i j (bits_of new_val) in - regfield.set_field reg_val new_field_value -let write_reg_field_range reg regfield i j = update_reg reg (update_reg_field_range regfield i j) - -let update_reg_field_pos regfield i reg_val x = - let current_field_value = regfield.get_field reg_val in - let new_field_value = update_list regfield.field_is_inc current_field_value i x in - regfield.set_field reg_val new_field_value -let write_reg_field_pos reg regfield i = update_reg reg (update_reg_field_pos regfield i) - -let update_reg_field_bit regfield i reg_val bit = - let current_field_value = regfield.get_field reg_val in - let new_field_value = set_bit (regfield.field_is_inc) current_field_value i (to_bitU bit) in - regfield.set_field reg_val new_field_value -let write_reg_field_bit reg regfield i = update_reg reg (update_reg_field_bit regfield i)*) - -(* TODO Add Show typeclass for value and exception type *) -val show_result : forall 'a 'e. result 'a 'e -> string -let show_result = function - | Value _ -> "Value ()" - | Ex (Failure msg) -> "Failure " ^ msg - | Ex (Throw _) -> "Throw" -end - -val prerr_results : forall 'a 'e 's. SetType 's => set (result 'a 'e * 's) -> unit -let prerr_results rs = - let _ = Set.map (fun (r, _) -> let _ = prerr_endline (show_result r) in ()) rs in - () -- cgit v1.2.3