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table_unmap.v
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table_unmap.v
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Require Import CodeDeps.
Require Import Ident.
Local Open Scope Z_scope.
Definition _addr := 1%positive.
Definition _data := 2%positive.
Definition _data_addr := 3%positive.
Definition _entry := 4%positive.
Definition _g := 5%positive.
Definition _g_llt := 6%positive.
Definition _g_rd := 7%positive.
Definition _granule := 8%positive.
Definition _i := 9%positive.
Definition _index := 10%positive.
Definition _ipa_state := 11%positive.
Definition _level := 12%positive.
Definition _ll_table := 13%positive.
Definition _llt_pgte := 14%positive.
Definition _lock := 15%positive.
Definition _map_addr := 16%positive.
Definition _new_pgte := 17%positive.
Definition _pa := 18%positive.
Definition _pgte := 19%positive.
Definition _rd := 20%positive.
Definition _ret := 21%positive.
Definition _state := 22%positive.
Definition _table := 23%positive.
Definition _t'1 := 24%positive.
Definition _t'2 := 25%positive.
Definition _t'3 := 26%positive.
Definition _t'4 := 27%positive.
Definition _t'5 := 28%positive.
Definition _t'6 := 29%positive.
Definition _t'7 := 30%positive.
Definition table_unmap_body :=
(Ssequence
(Scall None
(Evar _table_walk_lock_unlock (Tfunction
(Tcons (tptr Tvoid)
(Tcons tulong (Tcons tulong Tnil)))
tvoid cc_default))
((Etempvar _g_rd (tptr Tvoid)) ::
(Etempvar _map_addr tulong) ::
(Ebinop Osub (Etempvar _level tulong) (Econst_int (Int.repr 1) tuint)
tulong) :: nil))
(Ssequence
(Ssequence
(Scall (Some _t'1)
(Evar _get_wi_g_llt (Tfunction Tnil (tptr Tvoid)
cc_default)) nil)
(Sset _g_llt (Etempvar _t'1 (tptr Tvoid))))
(Ssequence
(Ssequence
(Scall (Some _t'2)
(Evar _get_wi_index (Tfunction Tnil tulong cc_default)) nil)
(Sset _index (Etempvar _t'2 tulong)))
(Ssequence
(Ssequence
(Scall (Some _t'7)
(Evar _is_null (Tfunction (Tcons (tptr Tvoid) Tnil) tuint
cc_default))
((Etempvar _g_llt (tptr Tvoid)) :: nil))
(Sifthenelse (Ebinop Oeq (Etempvar _t'7 tuint)
(Econst_int (Int.repr 1) tuint) tint)
(Sset _ret (Econst_long (Int64.repr 1) tulong))
(Ssequence
(Ssequence
(Scall (Some _t'3)
(Evar _granule_map (Tfunction
(Tcons
(tptr Tvoid)
(Tcons tuint Tnil)) (tptr Tvoid)
cc_default))
((Etempvar _g_llt (tptr Tvoid)) ::
(Econst_int (Int.repr 5) tuint) :: nil))
(Sset _ll_table (Etempvar _t'3 (tptr Tvoid))))
(Ssequence
(Ssequence
(Scall (Some _t'4)
(Evar _pgte_read (Tfunction
(Tcons (tptr Tvoid)
(Tcons tulong Tnil)) tulong
cc_default))
((Etempvar _ll_table (tptr Tvoid)) ::
(Etempvar _index tulong) :: nil))
(Sset _llt_pgte (Etempvar _t'4 tulong)))
(Ssequence
(Ssequence
(Sifthenelse (Ebinop Olt (Etempvar _level tulong)
(Econst_long (Int64.repr 3) tulong) tint)
(Ssequence
(Scall (Some _t'6)
(Evar _entry_is_table (Tfunction
(Tcons tulong Tnil) tuint
cc_default))
((Etempvar _llt_pgte tulong) :: nil))
(Sset _t'5
(Ecast
(Ebinop Oeq (Etempvar _t'6 tuint)
(Econst_int (Int.repr 1) tuint) tint) tbool)))
(Sset _t'5 (Econst_int (Int.repr 0) tint)))
(Sifthenelse (Etempvar _t'5 tint)
(Sset _ret
(Ecast (Econst_int (Int.repr 1) tuint) tulong))
(Ssequence
(Sset _data_addr
(Ebinop Oand (Etempvar _llt_pgte tulong)
(Econst_long (Int64.repr 281474976706560) tulong)
tulong))
(Ssequence
(Sset _ipa_state
(Ebinop Odiv
(Ebinop Oand (Etempvar _llt_pgte tulong)
(Econst_long (Int64.repr 504403158265495552) tulong)
tulong)
(Econst_long (Int64.repr 72057594037927936) tulong)
tulong))
(Sifthenelse (Ebinop Oeq
(Etempvar _ipa_state tulong)
(Econst_int (Int.repr 2) tuint)
tint)
(Ssequence
(Sset _new_pgte
(Ebinop Oor
(Ebinop Omul
(Econst_int (Int.repr 1) tuint)
(Econst_long (Int64.repr 72057594037927936) tulong)
tulong) (Etempvar _data_addr tulong)
tulong))
(Ssequence
(Scall None
(Evar _pgte_write (Tfunction
(Tcons (tptr Tvoid)
(Tcons tulong
(Tcons tulong Tnil)))
tvoid cc_default))
((Etempvar _ll_table (tptr Tvoid)) ::
(Etempvar _index tulong) ::
(Etempvar _new_pgte tulong) :: nil))
(Ssequence
(Sifthenelse (Ebinop Oeq
(Etempvar _level tulong)
(Econst_long (Int64.repr 3) tulong)
tint)
(Scall None
(Evar _invalidate_page (Tfunction
(Tcons tulong
Tnil) tvoid
cc_default))
((Etempvar _map_addr tulong) :: nil))
(Scall None
(Evar _invalidate_block (Tfunction
(Tcons tulong
Tnil) tvoid
cc_default))
((Etempvar _map_addr tulong) :: nil)))
(Sset _ret
(Ecast (Econst_int (Int.repr 0) tuint)
tulong)))))
(Sset _ret
(Ecast (Econst_int (Int.repr 1) tuint) tulong)))))))
(Ssequence
(Scall None
(Evar _buffer_unmap (Tfunction
(Tcons (tptr Tvoid) Tnil) tvoid
cc_default))
((Etempvar _ll_table (tptr Tvoid)) :: nil))
(Scall None
(Evar _granule_unlock (Tfunction
(Tcons
(tptr Tvoid)
Tnil) tvoid cc_default))
((Etempvar _g_llt (tptr Tvoid)) ::
nil))))))))
(Sreturn (Some (Etempvar _ret tulong)))))))
.
Definition f_table_unmap := {|
fn_return := tulong;
fn_callconv := cc_default;
fn_params := ((_g_rd, (tptr Tvoid)) ::
(_map_addr, tulong) :: (_level, tulong) :: nil);
fn_vars := nil;
fn_temps := ((_ll_table, (tptr Tvoid)) :: (_llt_pgte, tulong) ::
(_new_pgte, tulong) :: (_data_addr, tulong) ::
(_ipa_state, tulong) :: (_ret, tulong) :: (_index, tulong) ::
(_g_llt, (tptr Tvoid)) :: (_t'7, tuint) ::
(_t'6, tuint) :: (_t'5, tint) :: (_t'4, tulong) ::
(_t'3, (tptr Tvoid)) :: (_t'2, tulong) ::
(_t'1, (tptr Tvoid)) :: nil);
fn_body := table_unmap_body
|}.