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Cleanup

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This commit is contained in:
Aadi Desai 2020-12-16 15:40:21 +00:00
parent 1a413d9686
commit 252f630162
35 changed files with 568 additions and 87 deletions
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5
.gitignore vendored
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@ -2,4 +2,7 @@ exec/*
!exec/executable.txt
*.log.txt
*.out.txt
mips_cpu_harvard.vcd
mips_cpu_harvard.vcd
.DS_Store
.DS_Store
inputs/.DS_Store

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inputs/.DS_Store vendored
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5
inputs/divquotient.txt
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34040004
34050003
0085001A
00001012
00000008

5
inputs/divremainder.txt
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@ -1,5 +0,0 @@
34040004
34050003
0085001A
00001010
00000008

5
inputs/divuquotient
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@ -1,5 +0,0 @@
34040004
34050003
0085001B
00001012
00000008

5
inputs/divuremainder.txt
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34040004
34050003
0085001B
00001010
00000008

1
inputs/j.ref.txt
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1

1
inputs/jal.ref.txt
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2

1
inputs/jalr.ref.txt
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2

1
inputs/jr.ref.txt
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1

4
inputs/lb.data.txt
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00000000
008A0000
00000000
00000000

1
inputs/lb.ref.txt
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4294967178

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inputs/lb.txt
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34041003
80820003
00000008

4
inputs/lbu.data.txt
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00000000
008A0000
00000000
00000000

1
inputs/lbu.ref.txt
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138

3
inputs/lbu.txt
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34041003
90820003
00000008

4
inputs/lh.data.txt
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00000000
00008123
00000000
00000000

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inputs/lh.ref.txt
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4294934819

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inputs/lh.txt
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34041003
84820004
00000008

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inputs/lhu.data.txt
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00000000
00008123
00000000
00000000

1
inputs/lhu.ref.txt
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33059

3
inputs/lhu.txt
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34041003
94820004
00000008

1
inputs/lui.ref.txt
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305419896

3
inputs/lui.txt
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34045678
3C021234
00000008

4
inputs/lw.data.txt
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00000000
12345678
00000000
00000000

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inputs/lw.ref.txt
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305419896

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inputs/lw.txt
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34041002
8C820002
00000008

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inputs/lwl.data.txt
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00000000
AAAA1234
00000000
00000000

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inputs/lwl.ref.txt
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305419896

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inputs/lwl.txt
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34041003
34025678
88820003
00000008

4
inputs/lwr.data.txt
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00000000
5678AAAA
00000000
00000000

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inputs/lwr.ref.txt
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305419896

4
inputs/lwr.txt
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34041003
3C021234
98820002
00000008

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inputs/slt/.DS_Store vendored
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564
reference/reference.txt Normal file
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@ -0,0 +1,564 @@
== Instruction ==
C code
Assembly code
Hex code
Reference Output
================
ADDIU Add immediate unsigned (no overflow)
== ADDU Add unsigned (no overflow) ==
int main(void) {
int a = 3 + 5;
}
ORI $4,$0,3
ORI $5,$0,5
ADDU $2,$4,$5
JR $0
34040003
34050005
00851021
00000008
register_v0 = 8
==AND Bitwise and==
ORI $5,$0,0xCCCC
LUI $5,0xCCCC
ORI $4,$0,0xAAAA
LUI $4,0xAAAA
AND $2,$4,$5
JR $0
3405cccc
3c05cccc
3404aaaa
3c04aaaa
00851024
00000008
register_v0 = 0x88888888
==ANDI Bitwise and immediate==
ORI $4,$0,0xAAAA
LUI $4,0xAAAA
ANDI $2,$4,0xCCCC
JR $0
3404aaaa
3c04aaaa
3082cccc
00000008
register_v0 = 0x00008888
==BEQ Branch on equal==
ORI $4,$0,5
ORI $5,$0,5
BEQ $4,$5,3
NOP
JR $0
NOP
ORI $2,$0,1
JR $0
34040005
34050005
10850003
00000000
00000008
00000000
34020001
00000008
register_v0 = 1
==BGEZ Branch on greater than or equal to zero==
ORI $4,$0,3
BGEZ $4,3
NOP
JR $0
NOP
ORI $2,$0,1
JR $0
34040003
04810003
00000000
00000008
00000000
34020001
00000008
register_v0 = 1
==BGEZAL Branch on non-negative (>=0) and link==
ORI $4,$0,3
BGEZAL $4,4
NOP
ADDIU $2,$2,1
JR $0
NOP
ORI $2,$0,1
JR $31
34040003
04910004
00000000
24420001
00000008
00000000
34020001
03E00008
register_v0 = 2
==BGTZ Branch on greater than zero==
ORI $4,$0,3
BGTZ $4,3
NOP
JR $0
NOP
ORI $2,$0,1
JR $0
34040003
1C800003
00000000
00000008
00000000
34020001
00000008
register_v0 = 1
==BLEZ Branch on less than or equal to zero==
LUI $4,0xFFFF
BLEZ $4,3
NOP
JR $0
NOP
ORI $2,$0,1
JR $0
3C05FFFF
18800003
00000000
00000008
00000000
34020001
00000008
register_v0 = 1
==BLTZ Branch on less than zero==
LUI $4,0xFFFF
BLTZ $4,3
NOP
JR $0
NOP
ORI $2,$0,1
JR $0
3C05FFFF
04800003
00000000
00000008
00000000
34020001
00000008
register_v0 = 1
==BLTZAL Branch on less than zero and link==
LUI $4,0xFFFF
BLTZAL $4,4
NOP
ADDIU $2,$2,1
JR $0
NOP
ORI $2,$0,1
JR $31
3C05FFFF
04900004
00000000
24420001
00000008
00000000
34020001
03E00008
register_v0 = 2
==BNE Branch on not equal==
ORI $4,$0,3
ORI $5,$0,5
BNE $4,$5,3
NOP
JR $0
NOP
ORI $2,$0,1
JR $0
34040003
34040005
14850003
00000000
00000008
00000000
34020001
00000008
register_v0 = 1
==DIV Divide== //May need other testcases for -ve/+ve, -ve/-ve
ORI $4,$0,3
ORI $5,$0,9
DIV $5,$4
MFHI $4
MFLO $5
ADDU $2,$4,$5
JR $0
34040003
34050009
00A4001A
00002010
00002812
00851021
00000008
register_v0 = 3
==DIVU Divide unsigned== //May need other testcases for -ve/+ve, -ve/-ve
LUI $4,0x8000
ORI $5,$0,2
DIVU $4,$5
MFHI $4
MFLO $5
ADDU $2,$4,$5
JR $0
34048000
34050002
0085001B
00002010
00002812
00851021
00000008
register_v0 = 0x40000000
==J Jump==
J 4
NOP
JR $0
NOP
ORI $2,$0,1
JR $0
08000004
00000000
00000008
00000000
34020001
00000008
register_v0 = 1
==JALR Jump and link register==
ORI $5,$0,0x001C
LUI $5,0xBFC0
JALR $4,$5
NOP
ADDIU $2,$2,1
JR $0
NOP
ORI $2,$0,1
JR $4
3405001C
3C05BCF0
00A02009
00000000
24420001
00000008
00000000
34020001
00800008
register_v0 = 2
==JAL Jump and link==
JAL 5
NOP
ADDIU $2,$2,1
JR $0
NOP
ORI $2,$0,1
JR $31
0C000005
00000000
24420001
00000008
00000000
34020001
03E00008
register_v0 = 2
==JR Jump register==
ORI $5,$0,0x0014
LUI $5,0xBFC0
JR $5
NOP
JR $0
NOP
ORI $2,$0,1
JR $0
34050014
3C05BCF0
00A00008
00000000
00000008
34020001
00000008
register_v0 = 1
==LB Load byte==
ORI $4,$0,0x1003
LB $2,3($4)
JR $0
-Instruction Hex
34041003
80820003
00000008
-Memory Hex
00000000
008A0000
00000000
00000000
register_v0 = 0xFFFFFF8A
==LBU Load byte unsigned==
ORI $4,$0,0x1003
LBU $2,3($4)
JR $0
-Instruction Hex
34041003
90820003
00000008
-Memory Hex
00000000
008A0000
00000000
00000000
register_v0 = 0x0000008A
==LH Load half-word==
ORI $4,$0,0x1003
LH $2,4($4)
JR $0
-Instruction Hex
34041003
84820004
00000008
-Memory Hex
00000000
00008123
00000000
00000000
register_v0 = 0xFFFF8123
==LHU Load half-word unsigned==
ORI $4,$0,0x1003
LHU $2,4($4)
JR $0
-Instruction Hex
34041003
94820004
00000008
-Memory Hex
00000000
00008123
00000000
00000000
register_v0 = 0x00008123
==LUI Load upper immediate==
ORI $2,$0,0x5678
LUI $2,0x1234
JR $0
34045678
3C021234
00000008
register_v0 = 0x12345678
==LW Load word==
ORI $4,$0,0x1002
LW $2, 2($4)
JR $0
-Instruction Hex
34041002
8C820002
00000008
-Memory Hex
00000000
12345678
00000000
00000000
register_v0 = 0x12345678
==LWL Load word left==
ORI $4,$0,0x1003
ORI $2,$0,0x5678
LWL $2,3($4)
JR $0
-Instruction Hex
34041003
34025678
88820003
00000008
-Memory Hex
00000000
AAAA1234
00000000
00000000
register_v0 = 0x12345678
==LWR Load word right==
ORI $4,$0,0x1003
LUI $2,0x1234
LWR $2,2($4)
JR $0
-Instruction Hex
34041003
3C021234
98820002
00000008
-Memory Hex
00000000
5678AAAA
00000000
00000000
register_v0 = 0x12345678
// DIVU Divide unsigned
// DIV Divide
//MFHI Move from Hi
//MFLO Move from lo
//MTHI Move to HI
//MTLO Move to LO
//MULT Multiply**
//MULTU Multiply unsigned**
//OR Bitwise or
//ORI Bitwise or immediate
//SB Store byte
//SH Store half-word**
//SLL Shift left logical
//SLLV Shift left logical variable
//SLT Set on less than (signed)
//SLTI Set on less than immediate (signed)
//SLTIU Set on less than immediate unsigned
//SLTU Set on less than unsigned
//SRA Shift right arithmetic
//SRAV Shift right arithmetic
//SRL Shift right logical
//SRLV Shift right logical variable
//SUBU Subtract unsigned
//SW Store word
//XOR Bitwise exclusive or
//XORI Bitwise exclusive or immediate