X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fcontribs%2Fng_assembly%2Fmemory%2Fmemory_bits.ma;fp=helm%2Fsoftware%2Fmatita%2Fcontribs%2Fng_assembly%2Fmemory%2Fmemory_bits.ma;h=0000000000000000000000000000000000000000;hb=16d0ba4a14fd6bede3e8b3520af7deaefb4f8068;hp=396ad9a074f0344a31b8392595f5e82a6080d053;hpb=d97886196d2c730f72312b226bebc388be08f39e;p=helm.git diff --git a/helm/software/matita/contribs/ng_assembly/memory/memory_bits.ma b/helm/software/matita/contribs/ng_assembly/memory/memory_bits.ma deleted file mode 100755 index 396ad9a07..000000000 --- a/helm/software/matita/contribs/ng_assembly/memory/memory_bits.ma +++ /dev/null @@ -1,181 +0,0 @@ -(**************************************************************************) -(* ___ *) -(* ||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 "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) - ].