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sim: sim_boolean: handle ORCMB, add unit test

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This commit is contained in:
Mikael Pettersson
2020-07-25 18:47:04 +02:00
parent 27816cc72a
commit a36bb57467
3 changed files with 29 additions and 0 deletions
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15
erlang/apps/sim/src/sim_boolean.erl
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@@ -53,6 +53,7 @@
, handle_ORCAI/4
, handle_ORCAM/4
, handle_ORCM/4
, handle_ORCMB/4
, handle_ORCMI/4
, handle_ORCMM/4
, handle_SETCA/4
@@ -690,6 +691,20 @@ handle_ORCMM(Core, Mem, IR, EA) ->
fun(Core1, Mem1) -> handle_ORCMM(Core1, Mem1, IR, EA) end)
end.
-spec handle_ORCMB(#core{}, sim_mem:mem(), IR :: word(), #ea{})
-> {#core{}, sim_mem:mem(), {ok, integer()} | {error, {module(), term()}}}.
handle_ORCMB(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 = (CA bor bnot CE) band ((1 bsl 36) - 1),
handle_ANDB(Core, Mem, AC, EA, Word);
{error, Reason} ->
sim_core:page_fault(Core, Mem, ea_address(EA), read, Reason,
fun(Core1, Mem1) -> handle_ORCMB(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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@@ -308,6 +308,7 @@ dispatch(Core, Mem, IR, EA) ->
8#464 -> sim_boolean:handle_ORCM(Core, Mem, IR, EA);
8#465 -> sim_boolean:handle_ORCMI(Core, Mem, IR, EA);
8#466 -> sim_boolean:handle_ORCMM(Core, Mem, IR, EA);
8#467 -> sim_boolean:handle_ORCMB(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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@@ -99,6 +99,7 @@
-define(OP_ORCM, 8#464).
-define(OP_ORCMI, 8#465).
-define(OP_ORCMM, 8#466).
-define(OP_ORCMB, 8#467).
%% 2.4 Boolean Functions =======================================================
@@ -756,6 +757,18 @@ orcmm_test() ->
[ {#ea{section = 1, offset = 8#200, islocal = false}, ?COMMA2(-1, -1)} % C(1,,200) = -1,,-1
]).
orcmb_test() ->
Prog =
[ {1, 8#100, ?INSN(?OP_MOVEI, 1, 0, 0, 8#707070)} % 1,,100/ MOVEI 1,707070
, {1, 8#101, ?INSN(?OP_ORCMB, 1, 0, 0, 8#200)} % 1,,101/ ORCMB 1,200
, {1, 8#102, ?INSN_INVALID} % 1,,102/ <invalid>
, {1, 8#200, ?COMMA2(0, 8#707070)} % 1,,200/ 0,,707070
],
expect(Prog, [], {1, 8#102}, ?DEFAULT_FLAGS,
[ {#ea{section = 1, offset = 8#200, islocal = false}, ?COMMA2(-1, -1)} % C(1,,200) = -1,,-1
, {#ea{section = 1, offset = 1, islocal = false}, ?COMMA2(-1, -1)} % AC1 = -1,,-1
]).
%% Common code to run short sequences ==========================================
expect(Prog, ACs, ExpectedPC, ExpectedFlags, ExpectedEs) ->