--- /dev/null
+(**************************************************************************)
+(* ___ *)
+(* ||M|| *)
+(* ||A|| A project by Andrea Asperti *)
+(* ||T|| *)
+(* ||I|| Developers: *)
+(* ||T|| The HELM team. *)
+(* ||A|| http://helm.cs.unibo.it *)
+(* \ / *)
+(* \ / This file is distributed under the terms of the *)
+(* v GNU General Public License Version 2 *)
+(* *)
+(**************************************************************************)
+
+(* ********************************************************************** *)
+(* Progetto FreeScale *)
+(* *)
+(* Sviluppato da: Ing. Cosimo Oliboni, oliboni@cs.unibo.it *)
+(* Sviluppo: 2008-2010 *)
+(* *)
+(* ********************************************************************** *)
+
+include "emulator/memory/memory_trees.ma".
+
+(* ********************* *)
+(* MEMORIA E DESCRITTORE *)
+(* ********************* *)
+
+(* tutta la memoria non installata *)
+ndefinition mb_out_of_bound_memory ≝
+ aux_32B_filler ?
+ (mk_Array8T ? MEM_OUT_OF_BOUND MEM_OUT_OF_BOUND MEM_OUT_OF_BOUND MEM_OUT_OF_BOUND
+ MEM_OUT_OF_BOUND MEM_OUT_OF_BOUND MEM_OUT_OF_BOUND MEM_OUT_OF_BOUND).
+
+(* tutta la memoria a 0 *)
+ndefinition mb_zero_memory ≝
+ aux_32B_filler ? (mk_Array8T ? false false false false false false false false).
+
+(* scrivi bit controllando il tipo di memoria *)
+ndefinition mb_mem_update_bit ≝
+λmem:aux_32B_type (Array8T bool).
+λchk:aux_32B_type (Array8T memory_type).
+λaddr:word32.λsub:oct.λv:bool.
+ match getn_array8T sub ? (mt_visit ? chk addr) with
+ (* ROM? ok, ma il valore viene perso *)
+ [ MEM_READ_ONLY ⇒ Some ? mem
+ (* RAM? ok *)
+ | MEM_READ_WRITE ⇒ Some ? (mt_update ? mem addr (setn_array8T sub ? (mt_visit ? mem addr) v))
+ (* NON INSTALLATA? no *)
+ | MEM_OUT_OF_BOUND ⇒ None ? ].
+
+ndefinition mb_mem_update ≝
+λmem:aux_32B_type (Array8T bool).
+λchk:aux_32B_type (Array8T memory_type).
+λaddr:word32.λv:byte8.
+let old_value ≝ mt_visit (Array8T bool) mem addr in
+let new_value ≝ bits_of_byte8 v in
+let memtypes ≝ mt_visit (Array8T memory_type) chk addr in
+let newbit0 ≝ match getn_array8T o0 memory_type memtypes with
+ [ MEM_READ_ONLY ⇒ Some bool (getn_array8T o0 bool old_value)
+ | MEM_READ_WRITE ⇒ Some bool (getn_array8T o0 bool new_value)
+ | MEM_OUT_OF_BOUND ⇒ None bool ] in
+let newbit1 ≝ match getn_array8T o1 memory_type memtypes with
+ [ MEM_READ_ONLY ⇒ Some bool (getn_array8T o1 bool old_value)
+ | MEM_READ_WRITE ⇒ Some bool (getn_array8T o1 bool new_value)
+ | MEM_OUT_OF_BOUND ⇒ None bool ] in
+let newbit2 ≝ match getn_array8T o2 memory_type memtypes with
+ [ MEM_READ_ONLY ⇒ Some bool (getn_array8T o2 bool old_value)
+ | MEM_READ_WRITE ⇒ Some bool (getn_array8T o2 bool new_value)
+ | MEM_OUT_OF_BOUND ⇒ None bool ] in
+let newbit3 ≝ match getn_array8T o3 memory_type memtypes with
+ [ MEM_READ_ONLY ⇒ Some bool (getn_array8T o3 bool old_value)
+ | MEM_READ_WRITE ⇒ Some bool (getn_array8T o3 bool new_value)
+ | MEM_OUT_OF_BOUND ⇒ None bool ] in
+let newbit4 ≝ match getn_array8T o4 memory_type memtypes with
+ [ MEM_READ_ONLY ⇒ Some bool (getn_array8T o4 bool old_value)
+ | MEM_READ_WRITE ⇒ Some bool (getn_array8T o4 bool new_value)
+ | MEM_OUT_OF_BOUND ⇒ None bool ] in
+let newbit5 ≝ match getn_array8T o5 memory_type memtypes with
+ [ MEM_READ_ONLY ⇒ Some bool (getn_array8T o5 bool old_value)
+ | MEM_READ_WRITE ⇒ Some bool (getn_array8T o5 bool new_value)
+ | MEM_OUT_OF_BOUND ⇒ None bool ] in
+let newbit6 ≝ match getn_array8T o6 memory_type memtypes with
+ [ MEM_READ_ONLY ⇒ Some bool (getn_array8T o6 bool old_value)
+ | MEM_READ_WRITE ⇒ Some bool (getn_array8T o6 bool new_value)
+ | MEM_OUT_OF_BOUND ⇒ None bool ] in
+let newbit7 ≝ match getn_array8T o7 memory_type memtypes with
+ [ MEM_READ_ONLY ⇒ Some bool (getn_array8T o7 bool old_value)
+ | MEM_READ_WRITE ⇒ Some bool (getn_array8T o7 bool new_value)
+ | MEM_OUT_OF_BOUND ⇒ None bool ] in
+ opt_map … newbit0
+ (λnb0.opt_map … newbit1
+ (λnb1.opt_map … newbit2
+ (λnb2.opt_map … newbit3
+ (λnb3.opt_map … newbit4
+ (λnb4.opt_map … newbit5
+ (λnb5.opt_map … newbit6
+ (λnb6.opt_map … newbit7
+ (λnb7.Some ? (mt_update ? mem addr (mk_Array8T bool nb7 nb6 nb5 nb4 nb3 nb2 nb1 nb0)))))))))).
+
+(* scrivi tipo di bit *)
+ndefinition mb_chk_update_bit ≝
+λchk:aux_32B_type (Array8T memory_type).
+λaddr:word32.λsub:oct.λv:memory_type.
+ mt_update ? chk addr (setn_array8T sub ? (mt_visit ? chk addr) v).
+
+(* leggi bit controllando il tipo di memoria *)
+ndefinition mb_mem_read_bit ≝
+λmem:aux_32B_type (Array8T bool).
+λchk:aux_32B_type (Array8T memory_type).
+λaddr:word32.λsub:oct.
+ match getn_array8T sub ? (mt_visit ? chk addr) with
+ (* ROM? ok, ma il valore viene perso *)
+ [ MEM_READ_ONLY ⇒ Some ? (getn_array8T sub ? (mt_visit ? mem addr))
+ (* RAM? ok *)
+ | MEM_READ_WRITE ⇒ Some ? (getn_array8T sub ? (mt_visit ? mem addr))
+ (* NON INSTALLATA? no *)
+ | MEM_OUT_OF_BOUND ⇒ None ? ].
+
+(* leggi controllando il tipo di memoria *)
+(* NB: devono esistere tutti i bit *)
+ndefinition mb_mem_read ≝
+λmem:aux_32B_type (Array8T bool).
+λchk:aux_32B_type (Array8T memory_type).
+λaddr:word32.
+let value ≝ mt_visit (Array8T bool) mem addr in
+let memtypes ≝ mt_visit (Array8T memory_type) chk addr in
+let newbit0 ≝ match getn_array8T o0 memory_type memtypes with
+ [ MEM_READ_ONLY ⇒ Some bool (getn_array8T o0 bool value)
+ | MEM_READ_WRITE ⇒ Some bool (getn_array8T o0 bool value)
+ | MEM_OUT_OF_BOUND ⇒ None bool ] in
+let newbit1 ≝ match getn_array8T o1 memory_type memtypes with
+ [ MEM_READ_ONLY ⇒ Some bool (getn_array8T o1 bool value)
+ | MEM_READ_WRITE ⇒ Some bool (getn_array8T o1 bool value)
+ | MEM_OUT_OF_BOUND ⇒ None bool ] in
+let newbit2 ≝ match getn_array8T o2 memory_type memtypes with
+ [ MEM_READ_ONLY ⇒ Some bool (getn_array8T o2 bool value)
+ | MEM_READ_WRITE ⇒ Some bool (getn_array8T o2 bool value)
+ | MEM_OUT_OF_BOUND ⇒ None bool ] in
+let newbit3 ≝ match getn_array8T o3 memory_type memtypes with
+ [ MEM_READ_ONLY ⇒ Some bool (getn_array8T o3 bool value)
+ | MEM_READ_WRITE ⇒ Some bool (getn_array8T o3 bool value)
+ | MEM_OUT_OF_BOUND ⇒ None bool ] in
+let newbit4 ≝ match getn_array8T o4 memory_type memtypes with
+ [ MEM_READ_ONLY ⇒ Some bool (getn_array8T o4 bool value)
+ | MEM_READ_WRITE ⇒ Some bool (getn_array8T o4 bool value)
+ | MEM_OUT_OF_BOUND ⇒ None bool ] in
+let newbit5 ≝ match getn_array8T o5 memory_type memtypes with
+ [ MEM_READ_ONLY ⇒ Some bool (getn_array8T o5 bool value)
+ | MEM_READ_WRITE ⇒ Some bool (getn_array8T o5 bool value)
+ | MEM_OUT_OF_BOUND ⇒ None bool ] in
+let newbit6 ≝ match getn_array8T o6 memory_type memtypes with
+ [ MEM_READ_ONLY ⇒ Some bool (getn_array8T o6 bool value)
+ | MEM_READ_WRITE ⇒ Some bool (getn_array8T o6 bool value)
+ | MEM_OUT_OF_BOUND ⇒ None bool ] in
+let newbit7 ≝ match getn_array8T o7 memory_type memtypes with
+ [ MEM_READ_ONLY ⇒ Some bool (getn_array8T o7 bool value)
+ | MEM_READ_WRITE ⇒ Some bool (getn_array8T o7 bool value)
+ | MEM_OUT_OF_BOUND ⇒ None bool ] in
+ opt_map … newbit0
+ (λnb0.opt_map … newbit1
+ (λnb1.opt_map … newbit2
+ (λnb2.opt_map … newbit3
+ (λnb3.opt_map … newbit4
+ (λnb4.opt_map … newbit5
+ (λnb5.opt_map … newbit6
+ (λnb6.opt_map … newbit7
+ (λnb7.Some ? (byte8_of_bits (mk_Array8T bool nb7 nb6 nb5 nb4 nb3 nb2 nb1 nb0)))))))))).
+
+(* ************************** *)
+(* CARICAMENTO PROGRAMMA/DATI *)
+(* ************************** *)
+
+(* carica a paratire da addr, scartando source (pescando da old_mem) se si supera 0xFFFF... *)
+nlet rec mb_load_from_source_at (old_mem:aux_32B_type (Array8T bool))
+ (src:list byte8) (addr:word32) on src ≝
+ match src with
+ (* fine di source: carica da old_mem *)
+ [ nil ⇒ old_mem
+ | cons hd tl ⇒ mb_load_from_source_at (mt_update ? old_mem addr (bits_of_byte8 hd)) tl (succ_w32 addr)
+ ].
projects / helm.git / blobdiff