1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
#include "tst_machine.h"
#include "alu.h"
#include "qtmipsexception.h"
void MachineTests::alu_data() {
QTest::addColumn<AluOp>("op");
QTest::addColumn<std::uint32_t>("s");
QTest::addColumn<std::uint32_t>("t");
QTest::addColumn<std::uint8_t>("sa");
QTest::addColumn<std::uint32_t>("res");
// TODO SLL-SRAV
QTest::newRow("ADD") << ALU_OP_ADD \
<< (std::uint32_t)24 \
<< (std::uint32_t)66 \
<< (std::uint8_t)0 \
<< (std::uint32_t)90;
QTest::newRow("ADDU") << ALU_OP_ADDU \
<< (std::uint32_t)24 \
<< (std::uint32_t)66 \
<< (std::uint8_t)0 \
<< (std::uint32_t)90;
QTest::newRow("SUB") << ALU_OP_SUB \
<< (std::uint32_t)66 \
<< (std::uint32_t)24 \
<< (std::uint8_t)0 \
<< (std::uint32_t)42;
QTest::newRow("SUBU") << ALU_OP_SUBU \
<< (std::uint32_t)24 \
<< (std::uint32_t)66 \
<< (std::uint8_t)0 \
<< (std::uint32_t)-42;
QTest::newRow("AND") << ALU_OP_AND \
<< (std::uint32_t)0xA81 \
<< (std::uint32_t)0x603 \
<< (std::uint8_t)0 \
<< (std::uint32_t)0x201;
QTest::newRow("OR") << ALU_OP_OR \
<< (std::uint32_t)0xA81 \
<< (std::uint32_t)0x603 \
<< (std::uint8_t)0 \
<< (std::uint32_t)0xE83;
QTest::newRow("XOR") << ALU_OP_XOR \
<< (std::uint32_t)0xA81 \
<< (std::uint32_t)0x603 \
<< (std::uint8_t)0 \
<< (std::uint32_t)0xC82;
QTest::newRow("NOR") << ALU_OP_NOR \
<< (std::uint32_t)0xA81 \
<< (std::uint32_t)0x603 \
<< (std::uint8_t)0 \
<< (std::uint32_t)0xFFFFF17C;
QTest::newRow("SLT") << ALU_OP_SLT \
<< (std::uint32_t)-31 \
<< (std::uint32_t)24 \
<< (std::uint8_t)0 \
<< (std::uint32_t)1;
QTest::newRow("SLTU") << ALU_OP_SLTU \
<< (std::uint32_t)24 \
<< (std::uint32_t)32 \
<< (std::uint8_t)0 \
<< (std::uint32_t)1;
}
void MachineTests::alu() {
QFETCH(AluOp, op);
QFETCH(std::uint32_t, s);
QFETCH(std::uint32_t, t);
QFETCH(std::uint8_t, sa);
QFETCH(std::uint32_t, res);
QCOMPARE(alu_operate(op, s , t, sa), res);
}
void MachineTests::alu_except_data() {
QTest::addColumn<std::uint8_t>("op");
QTest::addColumn<std::uint32_t>("s");
QTest::addColumn<std::uint32_t>("t");
// Note no sa as shift unstruction has no exceptions
QTest::newRow("ADD") << (std::uint8_t)ALU_OP_ADD \
<< (std::uint32_t)0x8fffffff \
<< (std::uint32_t)0x90000000;
QTest::newRow("SUB") << (std::uint8_t)ALU_OP_SUB \
<< (std::uint32_t)3 \
<< (std::uint32_t)4;
// Just test that we can throw unsupported ALU operation
QTest::newRow("?") << (std::uint8_t)ALU_OP_LAST \
<< (std::uint32_t)0 \
<< (std::uint32_t)0;
}
void MachineTests::alu_except() {
QFETCH(std::uint8_t, op);
QFETCH(std::uint32_t, s);
QFETCH(std::uint32_t, t);
// Only runtime exception is expected as any other exception is a bug
QVERIFY_EXCEPTION_THROWN(alu_operate((enum AluOp)op, s , t, 0), QtMipsExceptionRuntime);
}
|
