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sim: sim_boolean: handle EQVB, add unit test

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This commit is contained in:
Mikael Pettersson
2020-07-25 00:07:09 +02:00
parent e759534a6f
commit 72005b2f10
3 changed files with 29 additions and 0 deletions
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15
erlang/apps/sim/src/sim_boolean.erl
View File

@@ -41,6 +41,7 @@
, handle_ANDI/4
, handle_ANDM/4
, handle_EQV/4
, handle_EQVB/4
, handle_EQVI/4
, handle_EQVM/4
, handle_IOR/4
@@ -498,6 +499,20 @@ handle_EQVM(Core, Mem, IR, EA) ->
fun(Core1, Mem1) -> handle_EQVM(Core1, Mem1, IR, EA) end)
end.
-spec handle_EQVB(#core{}, sim_mem:mem(), IR :: word(), #ea{})
-> {#core{}, sim_mem:mem(), {ok, integer()} | {error, {module(), term()}}}.
handle_EQVB(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 = (bnot (CE bxor CA)) 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_EQVB(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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@@ -292,6 +292,7 @@ dispatch(Core, Mem, IR, EA) ->
8#444 -> sim_boolean:handle_EQV(Core, Mem, IR, EA);
8#445 -> sim_boolean:handle_EQVI(Core, Mem, IR, EA);
8#446 -> sim_boolean:handle_EQVM(Core, Mem, IR, EA);
8#447 -> sim_boolean:handle_EQVB(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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@@ -83,6 +83,7 @@
-define(OP_EQV, 8#444).
-define(OP_EQVI, 8#445).
-define(OP_EQVM, 8#446).
-define(OP_EQVB, 8#447).
%% 2.4 Boolean Functions =======================================================
@@ -561,6 +562,18 @@ eqvm_test() ->
[ {#ea{section = 1, offset = 8#200, islocal = false}, ?COMMA2(-1, 8#343434)} % C(1,,200) = -1,,343434
]).
eqvb_test() ->
Prog =
[ {1, 8#100, ?INSN(?OP_MOVEI, 1, 0, 0, 8#707070)} % 1,,100/ MOVEI 1,707070
, {1, 8#101, ?INSN(?OP_EQVB, 1, 0, 0, 8#200)} % 1,,101/ EQVB 1,200
, {1, 8#102, ?INSN_INVALID} % 1,,102/ <invalid>
, {1, 8#200, ?COMMA2(0, 8#333333)} % 1,,200/ 0,,333333
],
expect(Prog, [], {1, 8#102}, ?DEFAULT_FLAGS,
[ {#ea{section = 1, offset = 8#200, islocal = false}, ?COMMA2(-1, 8#343434)} % C(1,,200) = -1,,343434
, {#ea{section = 1, offset = 1, islocal = false}, ?COMMA2(-1, 8#343434)} % AC1 = -1,,343434
]).
%% Common code to run short sequences ==========================================
expect(Prog, ACs, ExpectedPC, ExpectedFlags, ExpectedEs) ->