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| author | Karel Kočí <cynerd@email.cz> | 2017-11-25 16:14:19 +0100 |
|---|---|---|
| committer | Karel Kočí <cynerd@email.cz> | 2017-11-25 16:14:19 +0100 |
| commit | 8f6d939e8d0fdec39c53da65cfb89f288d99eb82 (patch) | |
| tree | cadb68d5720dd7d682e9492f72fea7239248862c /qtmips_machine/tests/testalu.cpp | |
| parent | afa9e930255b3c380ad37fccc0767508534bad13 (diff) | |
| download | qtmips-8f6d939e8d0fdec39c53da65cfb89f288d99eb82.tar.gz qtmips-8f6d939e8d0fdec39c53da65cfb89f288d99eb82.tar.bz2 qtmips-8f6d939e8d0fdec39c53da65cfb89f288d99eb82.zip | |
Implement instructions for moving from and to HI and LO registers
Diffstat (limited to 'qtmips_machine/tests/testalu.cpp')
| -rw-r--r-- | qtmips_machine/tests/testalu.cpp | 67 |
1 files changed, 65 insertions, 2 deletions
diff --git a/qtmips_machine/tests/testalu.cpp b/qtmips_machine/tests/testalu.cpp index aad101f..b45a317 100644 --- a/qtmips_machine/tests/testalu.cpp +++ b/qtmips_machine/tests/testalu.cpp @@ -7,58 +7,117 @@ void MachineTests::alu_data() { QTest::addColumn<std::uint32_t>("s"); QTest::addColumn<std::uint32_t>("t"); QTest::addColumn<std::uint8_t>("sa"); + QTest::addColumn<Registers>("regs_init"); + QTest::addColumn<Registers>("regs_res"); QTest::addColumn<std::uint32_t>("res"); // TODO SLL-SRAV + { + Registers init; + init.write_hi_lo(true, 42); + init.write_hi_lo(false, 24); + Registers res(init); + QTest::newRow("MFHI") << ALU_OP_MFHI \ + << (std::uint32_t)0 \ + << (std::uint32_t)0 \ + << (std::uint8_t)0 \ + << init \ + << res \ + << (std::uint32_t)42; + QTest::newRow("MFLO") << ALU_OP_MFLO \ + << (std::uint32_t)0 \ + << (std::uint32_t)0 \ + << (std::uint8_t)0 \ + << init \ + << res \ + << (std::uint32_t)24; + res.write_hi_lo(true, 43); + QTest::newRow("MTHI") << ALU_OP_MTHI \ + << (std::uint32_t)43 \ + << (std::uint32_t)0 \ + << (std::uint8_t)0 \ + << init \ + << res \ + << (std::uint32_t)0; + res.write_hi_lo(true, 42); + res.write_hi_lo(false, 23); + QTest::newRow("MTLO") << ALU_OP_MTLO \ + << (std::uint32_t)23 \ + << (std::uint32_t)0 \ + << (std::uint8_t)0 \ + << init \ + << res \ + << (std::uint32_t)0; + } QTest::newRow("ADD") << ALU_OP_ADD \ << (std::uint32_t)24 \ << (std::uint32_t)66 \ << (std::uint8_t)0 \ + << Registers() \ + << Registers() \ << (std::uint32_t)90; QTest::newRow("ADDU") << ALU_OP_ADDU \ << (std::uint32_t)24 \ << (std::uint32_t)66 \ << (std::uint8_t)0 \ + << Registers() \ + << Registers() \ << (std::uint32_t)90; QTest::newRow("SUB") << ALU_OP_SUB \ << (std::uint32_t)66 \ << (std::uint32_t)24 \ << (std::uint8_t)0 \ + << Registers() \ + << Registers() \ << (std::uint32_t)42; QTest::newRow("SUBU") << ALU_OP_SUBU \ << (std::uint32_t)24 \ << (std::uint32_t)66 \ << (std::uint8_t)0 \ + << Registers() \ + << Registers() \ << (std::uint32_t)-42; QTest::newRow("AND") << ALU_OP_AND \ << (std::uint32_t)0xA81 \ << (std::uint32_t)0x603 \ << (std::uint8_t)0 \ + << Registers() \ + << Registers() \ << (std::uint32_t)0x201; QTest::newRow("OR") << ALU_OP_OR \ << (std::uint32_t)0xA81 \ << (std::uint32_t)0x603 \ << (std::uint8_t)0 \ + << Registers() \ + << Registers() \ << (std::uint32_t)0xE83; QTest::newRow("XOR") << ALU_OP_XOR \ << (std::uint32_t)0xA81 \ << (std::uint32_t)0x603 \ << (std::uint8_t)0 \ + << Registers() \ + << Registers() \ << (std::uint32_t)0xC82; QTest::newRow("NOR") << ALU_OP_NOR \ << (std::uint32_t)0xA81 \ << (std::uint32_t)0x603 \ << (std::uint8_t)0 \ + << Registers() \ + << Registers() \ << (std::uint32_t)0xFFFFF17C; QTest::newRow("SLT") << ALU_OP_SLT \ << (std::uint32_t)-31 \ << (std::uint32_t)24 \ << (std::uint8_t)0 \ + << Registers() \ + << Registers() \ << (std::uint32_t)1; QTest::newRow("SLTU") << ALU_OP_SLTU \ << (std::uint32_t)24 \ << (std::uint32_t)32 \ << (std::uint8_t)0 \ + << Registers() \ + << Registers() \ << (std::uint32_t)1; } @@ -67,9 +126,12 @@ void MachineTests::alu() { QFETCH(std::uint32_t, s); QFETCH(std::uint32_t, t); QFETCH(std::uint8_t, sa); + QFETCH(Registers, regs_init); + QFETCH(Registers, regs_res); QFETCH(std::uint32_t, res); - QCOMPARE(alu_operate(op, s , t, sa), res); + QCOMPARE(alu_operate(op, s , t, sa, ®s_init), res); + QCOMPARE(regs_res, regs_init); } void MachineTests::alu_except_data() { @@ -94,7 +156,8 @@ void MachineTests::alu_except() { QFETCH(std::uint8_t, op); QFETCH(std::uint32_t, s); QFETCH(std::uint32_t, t); + Registers regs; // Only runtime exception is expected as any other exception is a bug - QVERIFY_EXCEPTION_THROWN(alu_operate((enum AluOp)op, s , t, 0), QtMipsExceptionRuntime); + QVERIFY_EXCEPTION_THROWN(alu_operate((enum AluOp)op, s , t, 0, ®s), QtMipsExceptionRuntime); } |