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sim: sim_boolean: handle IORB, add unit test

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This commit is contained in:
Mikael Pettersson
2020-07-24 19:45:22 +02:00
parent da20e78a18
commit 6e6b176e78
3 changed files with 29 additions and 0 deletions
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15
erlang/apps/sim/src/sim_boolean.erl
View File

@@ -37,6 +37,7 @@
, handle_ANDI/4
, handle_ANDM/4
, handle_IOR/4
, handle_IORB/4
, handle_IORI/4
, handle_IORM/4
, handle_SETMB/4
@@ -386,6 +387,20 @@ handle_IORM(Core, Mem, IR, EA) ->
fun(Core1, Mem1) -> handle_IORM(Core1, Mem1, IR, EA) end)
end.
-spec handle_IORB(#core{}, sim_mem:mem(), IR :: word(), #ea{})
-> {#core{}, sim_mem:mem(), {ok, integer()} | {error, {module(), term()}}}.
handle_IORB(Core, Mem, IR, EA) ->
case sim_core:c(Core, Mem, EA) of
{ok, CE} ->
AC = IR band 8#17,
CA = sim_core:get_ac(Core, AC),
Word = CE bor CA,
handle_ANDB(Core, Mem, AC, EA, Word);
{error, Reason} ->
sim_core:page_fault(Core, Mem, ea_address(EA), read, Reason,
fun(Core1, Mem1) -> handle_IORB(Core1, Mem1, IR, EA) end)
end.
%% Miscellaneous ===============================================================
ea_address(#ea{section = Section, offset = Offset}) ->

1
erlang/apps/sim/src/sim_core.erl
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@@ -284,6 +284,7 @@ dispatch(Core, Mem, IR, EA) ->
8#434 -> sim_boolean:handle_IOR(Core, Mem, IR, EA);
8#435 -> sim_boolean:handle_IORI(Core, Mem, IR, EA);
8#436 -> sim_boolean:handle_IORM(Core, Mem, IR, EA);
8#437 -> sim_boolean:handle_IORB(Core, Mem, IR, EA);
_ ->
PC = (Core#core.pc_section bsl 18) bor Core#core.pc_offset,
{Core, Mem, {error, {?MODULE, {dispatch, PC, IR, EA}}}}

13
erlang/apps/sim/test/sim_boolean_tests.erl
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@@ -75,6 +75,7 @@
-define(OP_IOR, 8#434).
-define(OP_IORI, 8#435).
-define(OP_IORM, 8#436).
-define(OP_IORB, 8#437).
%% 2.4 Boolean Functions =======================================================
@@ -461,6 +462,18 @@ iorm_test() ->
[ {#ea{section = 1, offset = 8#200, islocal = false}, 8#777777} % C(1,,200) = 0,,-1
]).
iorb_test() ->
Prog =
[ {1, 8#100, ?INSN(?OP_MOVEI, 1, 0, 0, 8#707070)} % 1,,100/ MOVEI 1,707070
, {1, 8#101, ?INSN(?OP_IORB, 1, 0, 0, 8#200)} % 1,,101/ IORB 1,200
, {1, 8#102, ?INSN_INVALID} % 1,,102/ <invalid>
, {1, 8#200, ?COMMA2(0, 8#070707)} % 1,,200/ 0,,070707
],
expect(Prog, [], {1, 8#102}, ?DEFAULT_FLAGS,
[ {#ea{section = 1, offset = 8#200, islocal = false}, 8#777777} % C(1,,200) = 0,,-1
, {#ea{section = 1, offset = 1, islocal = false}, 8#777777} % AC1 = 0,,-1
]).
%% Common code to run short sequences ==========================================
expect(Prog, ACs, ExpectedPC, ExpectedFlags, ExpectedEs) ->