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sim: sim_boolean: handle SETCMB, add unit test

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This commit is contained in:
Mikael Pettersson
2020-07-25 17:12:18 +02:00
parent bb51e0852e
commit cfa4024d2c
3 changed files with 27 additions and 0 deletions
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14
erlang/apps/sim/src/sim_boolean.erl
View File

@@ -56,6 +56,7 @@
, handle_SETCAB/4
, handle_SETCAM/4
, handle_SETCM/4
, handle_SETCMB/4
, handle_SETCMI/4
, handle_SETCMM/4
, handle_SETMB/4
@@ -635,6 +636,19 @@ handle_SETCMM(Core, Mem, IR, EA) ->
fun(Core1, Mem1) -> handle_SETCMM(Core1, Mem1, IR, EA) end)
end.
-spec handle_SETCMB(#core{}, sim_mem:mem(), IR :: word(), #ea{})
-> {#core{}, sim_mem:mem(), {ok, integer()} | {error, {module(), term()}}}.
handle_SETCMB(Core, Mem, IR, EA) ->
case sim_core:c(Core, Mem, EA) of
{ok, CE} ->
AC = IR band 8#17,
Word = (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_SETCMB(Core1, Mem1, IR, EA) end)
end.
%% Miscellaneous ===============================================================
ea_address(#ea{section = Section, offset = Offset}) ->

1
erlang/apps/sim/src/sim_core.erl
View File

@@ -304,6 +304,7 @@ dispatch(Core, Mem, IR, EA) ->
8#460 -> sim_boolean:handle_SETCM(Core, Mem, IR, EA);
8#461 -> sim_boolean:handle_SETCMI(Core, Mem, IR, EA);
8#462 -> sim_boolean:handle_SETCMM(Core, Mem, IR, EA);
8#463 -> sim_boolean:handle_SETCMB(Core, Mem, IR, EA);
_ ->
PC = (Core#core.pc_section bsl 18) bor Core#core.pc_offset,
{Core, Mem, {error, {?MODULE, {dispatch, PC, IR, EA}}}}

12
erlang/apps/sim/test/sim_boolean_tests.erl
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@@ -95,6 +95,7 @@
-define(OP_SETCM, 8#460).
-define(OP_SETCMI, 8#461).
-define(OP_SETCMM, 8#462).
-define(OP_SETCMB, 8#463).
%% 2.4 Boolean Functions =======================================================
@@ -707,6 +708,17 @@ setcmm_test() ->
[ {#ea{section = 1, offset = 8#200, islocal = false}, ?COMMA2(-1, 8#070707)} % C(1,,200) = -1,,070707
]).
setcmb_test() ->
Prog =
[ {1, 8#100, ?INSN(?OP_SETCMB, 1, 0, 0, 8#200)} % 1,,100/ SETCMB 1,200
, {1, 8#101, ?INSN_INVALID} % 1,,101/ <invalid>
, {1, 8#200, ?COMMA2(0, 8#707070)} % 1,,200/ 0,,707070
],
expect(Prog, [], {1, 8#101}, ?DEFAULT_FLAGS,
[ {#ea{section = 1, offset = 8#200, islocal = false}, ?COMMA2(-1, 8#070707)} % C(1,,200) = -1,,070707
, {#ea{section = 1, offset = 1, islocal = false}, ?COMMA2(-1, 8#070707)} % AC1 = -1,,070707
]).
%% Common code to run short sequences ==========================================
expect(Prog, ACs, ExpectedPC, ExpectedFlags, ExpectedEs) ->