2020-1-capstone-design1 / KNW_Project2

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41b10b57 1 parent 7d2ba55a

Single Cycle branch 명령어 몇개 추가 및 pipeline register 추가

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Showing 31 changed files with 1238 additions and 649 deletions
......@@ -4,14 +4,15 @@ input clk;
input[31:0] aluin1, aluin2;
input[3:0] aluctrl;
output reg[31:0] aluout;
output alubranch;
// output alubranch;
output reg[5:0] alubranch;
reg overflow;
reg[63:0] temp;
reg[31:0] HI, LO; // HI, LO register for multiplication and division.
reg[31:0] tempHI, tempLO; // temporary HI, LO register for multiplication and division.
assign alubranch = aluout == 32'h00000000 ? 1'b1 : 1'b0;
// assign alubranch = aluout == 32'h00000000 ? 1'b1 : 1'b0;
initial begin
temp = 64'h0000000000000000;
......@@ -33,6 +34,12 @@ case(aluctrl)
4'b0110: begin // sub
aluout = aluin1 - aluin2;
overflow = aluin1[31]!=aluin2[31] && aluin1[31]!=aluout[31] ? 1'b1 : 1'b0; // overflow detection.
alubranch[0] = (aluout == 32'd0) ? 1'b1 : 1'b0; // beq
alubranch[1] = (aluout != 32'd0) ? 1'b1 : 1'b0; // bne
alubranch[2] = (aluin1 > 32'd0) ? 1'b1 : 1'b0; // bgtz
alubranch[3] = (aluin1 < 32'd0) ? 1'b1 : 1'b0; // bltz
alubranch[4] = (aluin1 >= 32'd0) ? 1'b1 : 1'b0; // bgez
alubranch[5] = (aluin1 <= 32'd0) ? 1'b1 : 1'b0; // blez
end
4'b0111: begin // slt
......
module Control(opcode, funct, regdst, regwrite, alusrc, aluctrl, memread, memwrite, memtoreg, branch, jump, jumpreg);
module Control(opcode, rt, funct, regdst, regwrite, alusrc, aluctrl, memread, memwrite, memtoreg, branch, jump, jumpreg);
input[5:0] opcode;
input[4:0] rt;
input[5:0] funct;
output reg regdst, regwrite, alusrc, memread, memwrite, memtoreg, branch, jump, jumpreg;
output reg regdst, regwrite, alusrc, memread, memwrite, memtoreg, jump, jumpreg;
output reg[3:0] aluctrl;
output reg[2:0] branch;
always @(*) begin
case(opcode)
......@@ -14,7 +16,7 @@ always @(*) begin
memread = 1'b0;
memwrite = 1'b0;
memtoreg = 1'b0;
branch = 1'b0;
branch = 3'b000;
jump = 1'b0;
jumpreg = 1'b0;
case(funct)
......@@ -41,7 +43,7 @@ always @(*) begin
memread = 1'b0;
memwrite = 1'b0;
// memtoreg = 1'bx;
branch = 1'b0;
branch = 3'b000;
jump = 1'b1;
jumpreg = 1'b1;
end
......@@ -57,7 +59,7 @@ always @(*) begin
memread = 1'b0;
memwrite = 1'b0;
memtoreg = 1'b0;
branch = 1'b0;
branch = 3'b000;
jump = 1'b0;
jumpreg = 1'b0;
end
......@@ -70,7 +72,7 @@ always @(*) begin
memread = 1'b0;
memwrite = 1'b0;
memtoreg = 1'b0;
branch = 1'b0;
branch = 3'b000;
jump = 1'b0;
jumpreg = 1'b0;
end
......@@ -83,20 +85,88 @@ always @(*) begin
memread = 1'b0;
memwrite = 1'b0;
memtoreg = 1'b0;
branch = 1'b0;
branch = 3'b000;
jump = 1'b0;
jumpreg = 1'b0;
end
6'b000100: begin // beq instruction
// regdst = 1'bx; // don't care
// regdst = 1'bx;
regwrite = 1'b0;
alusrc = 1'b0;
aluctrl = 4'b0110; // sub
memread = 1'b0;
memwrite = 1'b0;
// memtoreg = 1'bx;
branch = 3'b001;
jump = 1'b0;
jumpreg = 1'b0;
end
6'b000101: begin // bne instruction
// regdst = 1'bx;
regwrite = 1'b0;
alusrc = 1'b0;
aluctrl = 4'b0110; // sub
memread = 1'b0;
memwrite = 1'b0;
// memtoreg = 1'bx;
branch = 3'b010;
jump = 1'b0;
jumpreg = 1'b0;
end
6'b000111: begin // bgtz instruction
// regdst = 1'bx;
regwrite = 1'b0;
alusrc = 1'b0;
aluctrl = 4'b0110; // sub
memread = 1'b0;
memwrite = 1'b0;
// memtoreg = 1'bx;
branch = 3'b011;
jump = 1'b0;
jumpreg = 1'b0;
end
6'b000001: begin
case(rt)
5'b00000: begin // bltz instruction
// regdst = 1'bx;
regwrite = 1'b0;
alusrc = 1'b0;
aluctrl = 4'b0110; // sub
memread = 1'b0;
memwrite = 1'b0;
// memtoreg = 1'bx;
branch = 3'b100;
jump = 1'b0;
jumpreg = 1'b0;
end
5'b00001: begin // bgez instruction
// regdst = 1'bx;
regwrite = 1'b0;
alusrc = 1'b0;
aluctrl = 4'b0110; // sub
memread = 1'b0;
memwrite = 1'b0;
// memtoreg = 1'bx;
branch = 3'b101;
jump = 1'b0;
jumpreg = 1'b0;
end
endcase
end
6'b000111: begin // blez instruction
// regdst = 1'bx;
regwrite = 1'b0;
alusrc = 1'b0;
aluctrl = 4'b0110; // sub
memread = 1'b0;
memwrite = 1'b0;
// memtoreg = 1'bx;
branch = 1'b1;
branch = 3'b110;
jump = 1'b0;
jumpreg = 1'b0;
end
......@@ -109,7 +179,7 @@ always @(*) begin
memread = 1'b0;
memwrite = 1'b0;
// memtoreg = 1'bx;
branch = 1'b0;
branch = 3'b000;
jump = 1'b1;
jumpreg = 1'b0;
end
......@@ -122,7 +192,7 @@ always @(*) begin
memread = 1'b1;
memwrite = 1'b0;
memtoreg = 1'b1;
branch = 1'b0;
branch = 3'b000;
jump = 1'b0;
jumpreg = 1'b0;
end
......@@ -135,7 +205,7 @@ always @(*) begin
memread = 1'b0;
memwrite = 1'b1;
// memtoreg = 1'bx;
branch = 1'b0;
branch = 3'b000;
jump = 1'b0;
jumpreg = 1'b0;
end
......@@ -148,7 +218,7 @@ always @(*) begin
memread = 1'b0;
memwrite = 1'b0;
// memtoreg = 1'bx;
branch = 1'b0;
branch = 3'b000;
jump = 1'b0;
jumpreg = 1'b0;
end
......
/* Not Finished */
module Stall(clk, in_readreg_num1, in_readreg_num2, in_writereg_num);
input clk;
input[4:0] in_readreg_num1, in_readreg_num2, in_writereg_num;
reg[4:0] writeregs;
endmodule
module InstructionMemory(address, instruction);
input[31:0] address;
output reg[31:0] instruction;
reg[31:0] instr_mem[127:0];
initial begin
instr_mem[0] = 32'd0;
instr_mem[1] = 32'b00100100000010000000000011111111; // addi, $0 $8 255
instr_mem[2] = 32'b00000001000010000100100000100000; // add, $8 $8 $9
instr_mem[3] = 32'b00000001000000000101000000100000; // add, $8 $0 $10
instr_mem[4] = 32'b00010001000010100000000000000001; // beq, $8 $10 +1
instr_mem[5] = 32'd0;
instr_mem[6] = 32'b00000001000010010000000000011000; // mult, $8 $9
instr_mem[7] = 32'd0;
instr_mem[8] = 32'b00000000000000000110000000010000; // mfhi, $12
instr_mem[9] = 32'b00000000000000000110100000010010; // mflo, $13
instr_mem[10] = 32'b10101100000011010000000000111100; // sw, $0 $13 60
instr_mem[11] = 32'd0;
instr_mem[12] = 32'b00010001000010110000000000000001; // beq, $8 $11 +1
instr_mem[13] = 32'b10001100000000010000000000111100; // lw, $0 $1 60
instr_mem[14] = 32'd0;
instr_mem[15] = 32'b00000000000000000000000000001000; // jr, $0
end
always @ (*) begin
instruction = instr_mem[address/4];
end
endmodule
D:/class/Capstone1/KNW_Project2/Project/MIPS/testbench.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/MIPS/testbench.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module testbench
Top level modules:
testbench
} {} {}} D:/class/Capstone1/KNW_Project2/Project/MIPS/test.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/MIPS/test.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module test
-- Compiling module testA
Top level modules:
test
} {} {}} D:/class/Capstone1/KNW_Project2/Project/MIPS/Adder.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/MIPS/Adder.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module Adder
Top level modules:
Adder
} {} {}} D:/class/Capstone1/KNW_Project2/Project/MIPS/MIPS_SingleCycle.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/MIPS/MIPS_SingleCycle.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module MIPS_SingleCycle
Top level modules:
MIPS_SingleCycle
} {} {}} D:/class/Capstone1/KNW_Project2/Project/MIPS/InstructionMemory.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/MIPS/InstructionMemory.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module InstructionMemory
Top level modules:
InstructionMemory
} {} {}} D:/class/Capstone1/KNW_Project2/Project/MIPS/Register.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/MIPS/Register.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module Register
Top level modules:
Register
} {} {}} D:/class/Capstone1/KNW_Project2/Project/MIPS/PipelineRegisters.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/MIPS/PipelineRegisters.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module IF_ID
-- Compiling module ID_EX
-- Compiling module EX_MEM
-- Compiling module MEM_WB
-- Compiling module PCcounter
Top level modules:
IF_ID
ID_EX
EX_MEM
MEM_WB
PCcounter
} {} {}} D:/class/Capstone1/KNW_Project2/Project/MIPS/MIPS_Pipeline.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/MIPS/MIPS_Pipeline.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module MIPS_Pipeline
Top level modules:
MIPS_Pipeline
} {} {}} D:/class/Capstone1/KNW_Project2/Project/MIPS/HazardHandling.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/MIPS/HazardHandling.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module Stall
Top level modules:
Stall
} {} {}} D:/class/Capstone1/KNW_Project2/Project/MIPS/SignExtend.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/MIPS/SignExtend.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module SignExtend
Top level modules:
SignExtend
} {} {}} D:/class/Capstone1/KNW_Project2/Project/MIPS/Control.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/MIPS/Control.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module Control
Top level modules:
Control
} {} {}} D:/class/Capstone1/KNW_Project2/Project/MIPS/Mux.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/MIPS/Mux.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module Mux5bit
-- Compiling module Mux32bit
-- Compiling module MuxBranchSignal
Top level modules:
Mux5bit
Mux32bit
MuxBranchSignal
} {} {}} D:/class/Capstone1/KNW_Project2/Project/MIPS/ALU.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/MIPS/ALU.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module ALU
Top level modules:
ALU
} {} {}} {D:/class/Capstone1/KNW_Project2/Project/MIPS/Data Memory.v} {1 {vlog -work work -stats=none {D:/class/Capstone1/KNW_Project2/Project/MIPS/Data Memory.v}
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module DataMemory
Top level modules:
DataMemory
} {} {}} D:/class/Capstone1/KNW_Project2/Project/MIPS/ShiftLeft2.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/MIPS/ShiftLeft2.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module ShiftLeft2
Top level modules:
ShiftLeft2
} {} {}} D:/class/Capstone1/KNW_Project2/Project/MIPS/clock.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/MIPS/clock.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module Clock
Top level modules:
Clock
} {} {}}
......@@ -816,7 +816,7 @@ Resolution = ns
UserTimeUnit = default
; Default run length
RunLength = 100 ns
RunLength = 100
; Maximum iterations that can be run without advancing simulation time
IterationLimit = 10000000
......@@ -2034,27 +2034,39 @@ suppress = 8780 ;an explanation can be had by running: verror 8780
Project_Version = 6
Project_DefaultLib = work
Project_SortMethod = unused
Project_Files_Count = 10
Project_File_0 = D:/class/Capstone1/KNW_Project2/Project/SingleCycle/Data Memory.v
Project_File_P_0 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 last_compile 1590179259 folder {Top Level} cover_branch 0 cover_fsm 0 vlog_enable0In 0 cover_excludedefault 0 vlog_disableopt 0 cover_covercells 0 vlog_hazard 0 vlog_showsource 0 cover_optlevel 3 voptflow 1 ood 0 vlog_0InOptions {} toggle - vlog_options {} compile_to work vlog_upper 0 cover_noshort 0 compile_order 4 dont_compile 0 cover_expr 0 cover_stmt 0
Project_File_1 = D:/class/Capstone1/KNW_Project2/Project/SingleCycle/ShiftLeft2.v
Project_File_P_1 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 last_compile 1589586193 folder {Top Level} cover_branch 0 cover_fsm 0 vlog_enable0In 0 cover_excludedefault 0 vlog_disableopt 0 cover_covercells 0 vlog_hazard 0 vlog_showsource 0 cover_optlevel 3 voptflow 1 ood 0 vlog_0InOptions {} toggle - vlog_options {} compile_to work vlog_upper 0 cover_noshort 0 compile_order 7 dont_compile 0 cover_expr 0 cover_stmt 0
Project_File_2 = D:/class/Capstone1/KNW_Project2/Project/SingleCycle/InstructionMemory.v
Project_File_P_2 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 last_compile 1590180454 folder {Top Level} cover_branch 0 cover_fsm 0 vlog_enable0In 0 cover_excludedefault 0 vlog_disableopt 0 cover_covercells 0 vlog_hazard 0 vlog_showsource 0 cover_optlevel 3 voptflow 1 ood 0 vlog_0InOptions {} toggle - vlog_options {} compile_to work vlog_upper 0 cover_noshort 0 compile_order 5 dont_compile 0 cover_expr 0 cover_stmt 0
Project_File_3 = D:/class/Capstone1/KNW_Project2/Project/SingleCycle/clock.v
Project_File_P_3 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 last_compile 1589585780 folder {Top Level} cover_branch 0 cover_fsm 0 vlog_enable0In 0 cover_excludedefault 0 vlog_disableopt 0 cover_covercells 0 vlog_hazard 0 vlog_showsource 0 cover_optlevel 3 voptflow 1 ood 0 vlog_0InOptions {} toggle - vlog_options {} compile_to work vlog_upper 0 cover_noshort 0 compile_order 2 dont_compile 0 cover_expr 0 cover_stmt 0
Project_File_4 = D:/class/Capstone1/KNW_Project2/Project/SingleCycle/Adder.v
Project_File_P_4 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 last_compile 1589585757 folder {Top Level} cover_branch 0 cover_fsm 0 vlog_enable0In 0 cover_excludedefault 0 vlog_disableopt 0 cover_covercells 0 vlog_hazard 0 vlog_showsource 0 cover_optlevel 3 voptflow 1 ood 0 vlog_0InOptions {} toggle - vlog_options {} compile_to work vlog_upper 0 cover_noshort 0 compile_order 0 dont_compile 0 cover_expr 0 cover_stmt 0
Project_File_5 = D:/class/Capstone1/KNW_Project2/Project/SingleCycle/testbench.v
Project_File_P_5 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 last_compile 1590179680 folder {Top Level} cover_branch 0 cover_fsm 0 vlog_enable0In 0 cover_excludedefault 0 vlog_disableopt 0 cover_covercells 0 vlog_hazard 0 vlog_showsource 0 cover_optlevel 3 voptflow 1 ood 0 vlog_0InOptions {} toggle - vlog_options {} compile_to work vlog_upper 0 cover_noshort 0 compile_order 9 dont_compile 0 cover_expr 0 cover_stmt 0
Project_File_6 = D:/class/Capstone1/KNW_Project2/Project/SingleCycle/Register.v
Project_File_P_6 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 cover_branch 0 folder {Top Level} last_compile 1590176245 cover_fsm 0 cover_excludedefault 0 vlog_enable0In 0 vlog_disableopt 0 cover_covercells 0 voptflow 1 cover_optlevel 3 vlog_showsource 0 vlog_hazard 0 toggle - vlog_0InOptions {} ood 0 cover_noshort 0 vlog_upper 0 compile_to work vlog_options {} compile_order 6 cover_expr 0 dont_compile 0 cover_stmt 0
Project_File_7 = D:/class/Capstone1/KNW_Project2/Project/SingleCycle/Control.v
Project_File_P_7 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 last_compile 1590177608 folder {Top Level} cover_branch 0 cover_fsm 0 vlog_enable0In 0 cover_excludedefault 0 vlog_disableopt 0 cover_covercells 0 vlog_hazard 0 vlog_showsource 0 cover_optlevel 3 voptflow 1 ood 0 vlog_0InOptions {} toggle - vlog_options {} compile_to work vlog_upper 0 cover_noshort 0 compile_order 3 dont_compile 0 cover_expr 0 cover_stmt 0
Project_File_8 = D:/class/Capstone1/KNW_Project2/Project/SingleCycle/SignExtend.v
Project_File_P_8 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 last_compile 1589586199 folder {Top Level} cover_branch 0 cover_fsm 0 vlog_enable0In 0 cover_excludedefault 0 vlog_disableopt 0 cover_covercells 0 vlog_hazard 0 vlog_showsource 0 cover_optlevel 3 voptflow 1 ood 0 vlog_0InOptions {} toggle - vlog_options {} compile_to work vlog_upper 0 cover_noshort 0 compile_order 8 dont_compile 0 cover_expr 0 cover_stmt 0
Project_File_9 = D:/class/Capstone1/KNW_Project2/Project/SingleCycle/ALU.v
Project_File_P_9 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 last_compile 1590179297 folder {Top Level} cover_branch 0 cover_fsm 0 vlog_enable0In 0 cover_excludedefault 0 vlog_disableopt 0 cover_covercells 0 vlog_hazard 0 vlog_showsource 0 cover_optlevel 3 voptflow 1 ood 0 vlog_0InOptions {} toggle - vlog_options {} compile_to work vlog_upper 0 cover_noshort 0 compile_order 1 dont_compile 0 cover_expr 0 cover_stmt 0
Project_Files_Count = 16
Project_File_0 = D:/class/Capstone1/KNW_Project2/Project/MIPS/testbench.v
Project_File_P_0 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 cover_branch 0 folder {Top Level} last_compile 1590428983 cover_fsm 0 cover_excludedefault 0 vlog_enable0In 0 vlog_disableopt 0 cover_covercells 0 voptflow 1 cover_optlevel 3 vlog_showsource 0 vlog_hazard 0 toggle - vlog_0InOptions {} ood 0 cover_noshort 0 vlog_upper 0 compile_to work vlog_options {} compile_order 15 cover_expr 0 dont_compile 0 cover_stmt 0
Project_File_1 = D:/class/Capstone1/KNW_Project2/Project/MIPS/test.v
Project_File_P_1 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 cover_branch 0 folder {Top Level} last_compile 1590335687 cover_fsm 0 cover_excludedefault 0 vlog_enable0In 0 vlog_disableopt 0 cover_covercells 0 voptflow 1 cover_optlevel 3 vlog_showsource 0 vlog_hazard 0 toggle - vlog_0InOptions {} ood 0 cover_noshort 0 vlog_upper 0 compile_to work vlog_options {} compile_order 14 cover_expr 0 dont_compile 0 cover_stmt 0
Project_File_2 = D:/class/Capstone1/KNW_Project2/Project/MIPS/Adder.v
Project_File_P_2 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 cover_branch 0 folder {Top Level} last_compile 1590245372 cover_fsm 0 cover_excludedefault 0 vlog_enable0In 0 vlog_disableopt 0 cover_covercells 0 voptflow 1 cover_optlevel 3 vlog_showsource 0 vlog_hazard 0 toggle - vlog_0InOptions {} ood 0 cover_noshort 0 vlog_upper 0 compile_to work vlog_options {} compile_order 0 cover_expr 0 dont_compile 0 cover_stmt 0
Project_File_3 = D:/class/Capstone1/KNW_Project2/Project/MIPS/MIPS_SingleCycle.v
Project_File_P_3 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 cover_branch 0 folder {Top Level} last_compile 1590757617 cover_fsm 0 cover_excludedefault 0 vlog_enable0In 0 vlog_disableopt 0 cover_covercells 0 voptflow 1 cover_optlevel 3 vlog_showsource 0 vlog_hazard 0 toggle - vlog_0InOptions {} ood 0 cover_noshort 0 vlog_upper 0 compile_to work vlog_options {} compile_order 8 cover_expr 0 dont_compile 0 cover_stmt 0
Project_File_4 = D:/class/Capstone1/KNW_Project2/Project/MIPS/InstructionMemory.v
Project_File_P_4 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 cover_branch 0 folder {Top Level} last_compile 1590757768 cover_fsm 0 cover_excludedefault 0 vlog_enable0In 0 vlog_disableopt 0 cover_covercells 0 voptflow 1 cover_optlevel 3 vlog_showsource 0 vlog_hazard 0 toggle - vlog_0InOptions {} ood 0 cover_noshort 0 vlog_upper 0 compile_to work vlog_options {} compile_order 6 cover_expr 0 dont_compile 0 cover_stmt 0
Project_File_5 = D:/class/Capstone1/KNW_Project2/Project/MIPS/Register.v
Project_File_P_5 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 cover_branch 0 folder {Top Level} last_compile 1590245372 cover_fsm 0 cover_excludedefault 0 vlog_enable0In 0 vlog_disableopt 0 cover_covercells 0 voptflow 1 cover_optlevel 3 vlog_showsource 0 vlog_hazard 0 toggle - vlog_0InOptions {} ood 0 cover_noshort 0 vlog_upper 0 compile_to work vlog_options {} compile_order 11 cover_expr 0 dont_compile 0 cover_stmt 0
Project_File_6 = D:/class/Capstone1/KNW_Project2/Project/MIPS/MIPS_Pipeline.v
Project_File_P_6 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 cover_branch 0 folder {Top Level} last_compile 1590757593 cover_fsm 0 cover_excludedefault 0 vlog_enable0In 0 vlog_disableopt 0 cover_covercells 0 voptflow 1 cover_optlevel 3 vlog_showsource 0 vlog_hazard 0 toggle - vlog_0InOptions {} ood 0 cover_noshort 0 vlog_upper 0 compile_to work vlog_options {} compile_order 7 cover_expr 0 dont_compile 0 cover_stmt 0
Project_File_7 = D:/class/Capstone1/KNW_Project2/Project/MIPS/PipelineRegisters.v
Project_File_P_7 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 last_compile 1590758341 folder {Top Level} cover_branch 0 cover_fsm 0 vlog_enable0In 0 cover_excludedefault 0 vlog_disableopt 0 cover_covercells 0 vlog_hazard 0 vlog_showsource 0 cover_optlevel 3 voptflow 1 ood 0 vlog_0InOptions {} toggle - vlog_options {} compile_to work vlog_upper 0 cover_noshort 0 compile_order 10 dont_compile 0 cover_expr 0 cover_stmt 0
Project_File_8 = D:/class/Capstone1/KNW_Project2/Project/MIPS/HazardHandling.v
Project_File_P_8 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 cover_fsm 0 last_compile 1590758365 vlog_noload 0 cover_branch 0 folder {Top Level} vlog_enable0In 0 cover_excludedefault 0 vlog_disableopt 0 cover_covercells 0 vlog_hazard 0 vlog_showsource 0 cover_optlevel 3 voptflow 1 ood 0 vlog_0InOptions {} toggle - vlog_options {} compile_to work vlog_upper 0 cover_noshort 0 compile_order 5 dont_compile 0 cover_expr 0 cover_stmt 0
Project_File_9 = D:/class/Capstone1/KNW_Project2/Project/MIPS/SignExtend.v
Project_File_P_9 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 cover_branch 0 folder {Top Level} last_compile 1590245372 cover_fsm 0 cover_excludedefault 0 vlog_enable0In 0 vlog_disableopt 0 cover_covercells 0 voptflow 1 cover_optlevel 3 vlog_showsource 0 vlog_hazard 0 toggle - vlog_0InOptions {} ood 0 cover_noshort 0 vlog_upper 0 compile_to work vlog_options {} compile_order 13 cover_expr 0 dont_compile 0 cover_stmt 0
Project_File_10 = D:/class/Capstone1/KNW_Project2/Project/MIPS/Control.v
Project_File_P_10 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 cover_branch 0 folder {Top Level} last_compile 1590757464 cover_fsm 0 cover_excludedefault 0 vlog_enable0In 0 vlog_disableopt 0 cover_covercells 0 voptflow 1 cover_optlevel 3 vlog_showsource 0 vlog_hazard 0 toggle - vlog_0InOptions {} ood 0 cover_noshort 0 vlog_upper 0 compile_to work vlog_options {} compile_order 3 cover_expr 0 dont_compile 0 cover_stmt 0
Project_File_11 = D:/class/Capstone1/KNW_Project2/Project/MIPS/Mux.v
Project_File_P_11 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 cover_branch 0 folder {Top Level} last_compile 1590755668 cover_fsm 0 cover_excludedefault 0 vlog_enable0In 0 vlog_disableopt 0 cover_covercells 0 voptflow 1 cover_optlevel 3 vlog_showsource 0 vlog_hazard 0 toggle - vlog_0InOptions {} ood 0 cover_noshort 0 vlog_upper 0 compile_to work vlog_options {} compile_order 9 cover_expr 0 dont_compile 0 cover_stmt 0
Project_File_12 = D:/class/Capstone1/KNW_Project2/Project/MIPS/ALU.v
Project_File_P_12 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 cover_branch 0 folder {Top Level} last_compile 1590755442 cover_fsm 0 cover_excludedefault 0 vlog_enable0In 0 vlog_disableopt 0 cover_covercells 0 voptflow 1 cover_optlevel 3 vlog_showsource 0 vlog_hazard 0 toggle - vlog_0InOptions {} ood 0 cover_noshort 0 vlog_upper 0 compile_to work vlog_options {} compile_order 1 cover_expr 0 dont_compile 0 cover_stmt 0
Project_File_13 = D:/class/Capstone1/KNW_Project2/Project/MIPS/Data Memory.v
Project_File_P_13 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 cover_branch 0 folder {Top Level} last_compile 1590245372 cover_fsm 0 cover_excludedefault 0 vlog_enable0In 0 vlog_disableopt 0 cover_covercells 0 voptflow 1 cover_optlevel 3 vlog_showsource 0 vlog_hazard 0 toggle - vlog_0InOptions {} ood 0 cover_noshort 0 vlog_upper 0 compile_to work vlog_options {} compile_order 4 cover_expr 0 dont_compile 0 cover_stmt 0
Project_File_14 = D:/class/Capstone1/KNW_Project2/Project/MIPS/ShiftLeft2.v
Project_File_P_14 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 cover_branch 0 folder {Top Level} last_compile 1590245372 cover_fsm 0 cover_excludedefault 0 vlog_enable0In 0 vlog_disableopt 0 cover_covercells 0 voptflow 1 cover_optlevel 3 vlog_showsource 0 vlog_hazard 0 toggle - vlog_0InOptions {} ood 0 cover_noshort 0 vlog_upper 0 compile_to work vlog_options {} compile_order 12 cover_expr 0 dont_compile 0 cover_stmt 0
Project_File_15 = D:/class/Capstone1/KNW_Project2/Project/MIPS/clock.v
Project_File_P_15 = cover_toggle 0 vlog_protect 0 file_type verilog group_id 0 cover_exttoggle 0 cover_nofec 0 cover_cond 0 vlog_1995compat 0 vlog_nodebug 0 vlog_noload 0 cover_branch 0 folder {Top Level} last_compile 1590245372 cover_fsm 0 cover_excludedefault 0 vlog_enable0In 0 vlog_disableopt 0 cover_covercells 0 voptflow 1 cover_optlevel 3 vlog_showsource 0 vlog_hazard 0 toggle - vlog_0InOptions {} ood 0 cover_noshort 0 vlog_upper 0 compile_to work vlog_options {} compile_order 2 cover_expr 0 dont_compile 0 cover_stmt 0
Project_Sim_Count = 0
Project_Folder_Count = 0
Echo_Compile_Output = 0
......
// Test Required
module MIPS_Pipeline;
wire clk; // clock
wire[31:0] instr_address, addPC4, addPCbranch, tempPC_branch, tempPC_jump, nextPC;
wire[31:0] instr; // loaded instruction.
wire[4:0] reg_writereg1; // register number for the write data.
wire[31:0] reg_writedata; // data that will be written in the register.
wire[31:0] reg_readdata1, reg_readdata2; // data from the requested register.
wire[31:0] alu_input2; // input data of ALU.
wire[31:0] alu_result; // result data of ALU.
wire[5:0] alu_branch; // indicator for branch operation.
wire[31:0] mem_readdata; // data from the requested address.
wire ctrl_regdst, ctrl_regwrite, ctrl_alusrc, ctrl_memread, ctrl_memwrite, ctrl_memtoreg, ctrl_jump, ctrl_jumpreg, branch_signal;
wire[3:0] ctrl_aluctrl; // control signals.
wire[2:0] ctrl_branch;
wire[31:0] extend_output;
wire[31:0] shiftBranch_output;
wire[31:0] shiftJump_output;
// IF_ID register outputs
wire[31:0] ifid_instr, ifid_PC_4;
// ID_EX register outputs
wire[4:0] idex_writereg1, idex_readreg_num1, idex_readreg_num2;
wire idex_regwrite, idex_alusrc, idex_memread, idex_memwrite, idex_memtoreg, idex_jump, idex_jumpreg;
wire[3:0] idex_aluctrl;
wire[2:0] idex_branch;
wire[31:0] idex_readdata1, idex_readdata2, idex_extenddata, idex_PC_4, idex_tempPCjump;
// EX_MEM register outputs
wire[4:0] exmem_writereg1;
wire exmem_regwrite, exmem_memread, exmem_memwrite, exmem_memtoreg, exmem_branch, exmem_jump;
wire[31:0] exmem_aluresult, exmem_memwritedata, exmem_PC_4, exmem_PCjump, exmem_tempPCbranch;
// MEM_WB register outputs
wire[4:0] memwb_writereg1;
wire memwb_regwrite, memwb_memtoreg, memwb_jump;
wire[31:0] memwb_aluresult, memwb_memreaddata, memwb_PCbranch, memwb_PCjump;
Clock clock(clk);
PCcounter pccounter(clk, nextPC, instr_address);
// Instruction Fetch
InstructionMemory instrmem(instr_address, instr);
Adder add_pc4(PC, 32'h00000004, addPC4);
IF_ID ifid(clk, instr, addPC4,
ifid_instr, ifid_PC_4);
// Instruction Decode
Control ctrl(ifid_instr[31:26], ifid_instr[20:16], ifid_instr[5:0], ctrl_regdst, ctrl_regwrite, ctrl_alusrc, ctrl_aluctrl, ctrl_memread, ctrl_memwrite, ctrl_memtoreg, ctrl_branch, ctrl_jump, ctrl_jumpreg);
Mux5bit mux_regdst(ifid_instr[20:16], ifid_instr[15:11], ctrl_regdst, reg_writereg1);
Register register(clk, ifid_instr[25:21], ifid_instr[20:16], memwb_writereg1, reg_writedata, memwb_regwrite, reg_readdata1, reg_readdata2);
SignExtend extend(ifid_instr[15:0], extend_output);
ShiftLeft2 shiftJump({6'b000000, ifid_instr[25:0]}, shiftJump_output);
ID_EX idex(clk, reg_writereg1, ctrl_regwrite, ctrl_alusrc, ctrl_aluctrl, ctrl_memread, ctrl_memwrite, ctrl_memtoreg, ctrl_branch, ctrl_jump, ctrl_jumpreg,
reg_readdata1, reg_readdata2, extend_output, ifid_PC_4, shiftJump_output, ifid_instr[25:21], ifid_instr[20:16],
idex_writereg1, idex_regwrite, idex_alusrc, idex_aluctrl, idex_memread, idex_memwrite, idex_memtoreg, idex_branch, idex_jump, idex_jumpreg,
idex_readdata1, idex_readdata2, idex_extenddata, idex_PC_4, idex_tempPCjump, idex_readreg_num1, idex_readreg_num2);
// Execute
Mux32bit mux_alusrc(idex_readdata2, idex_extend, idex_alusrc, alu_input2);
ALU alu(clk, idex_readdata1, alu_input2, idex_aluctrl, alu_result, alu_branch);
ShiftLeft2 shiftBranch(idex_extend, shiftBranch_output);
Adder add_branch(idex_addPC4, shiftBranch_output, addPCbranch);
MuxBranchSignal mux_branchsignal(alu_branch, idex_branch, branch_signal);
Mux32bit mux_jumpreg({idex_PC_4[31:28], idex_tempPCjump[27:0]}, idex_readdata1, idex_jumpreg, tempPC_jump);
EX_MEM ex_mem(clk, idex_writereg1, idex_regwrite, idex_memread, idex_memwrite, idex_memtoreg, branch_signal, idex_jump,
alu_result, idex_readdata2, idex_PC_4, tempPC_jump, addPCbranch,
exmem_writereg1, exmem_regwrite, exmem_memread, exmem_memwrite, exmem_memtoreg, exmem_branch, exmem_jump,
exmem_aluresult, exmem_memwritedata, exmem_PC_4, exmem_PCjump, exmem_tempPCbranch);
// Memory
DataMemory datamem(clk, exmem_aluresult, exmem_memwritedata, exmem_memread, exmem_memwrite, mem_readdata);
Mux32bit mux_branch(exmem_PC_4, exmem_tempPCbranch, exmem_branch , tempPC_branch);
MEM_WB mem_wb(clk, exmem_writereg1, exmem_regwrite, exmem_memtoreg, exmem_jump,
exmem_aluresult, mem_readdata, tempPC_branch, exmem_PCjump,
memwb_writereg1, memwb_regwrite, memwb_memtoreg, memwb_jump,
memwb_aluresult, memwb_memreaddata, memwb_PCbranch, memwb_PCjump);
// Writeback
Mux32bit mux_memtoreg(memwb_aluresult, memwb_memreaddata, memwb_memtoreg, reg_writedata);
Mux32bit mux_jump(memwb_PCbranch, memwb_PCjump, memwb_jump, nextPC);
always @(posedge clk) begin
end
/*
wire clk; // clock
reg[31:0] PC, instr_address;
// IF - ID
wire[31:0] if_id_instruction, if_id_pc_4;
// ID - EX
wire[31:0] id_ex_reg_readdata1, id_ex_reg_readdata2, id_ex_extenddata, id_ex_pc_4, id_ex_tempPCjump;
wire[4:0] id_ex_writereg, id_hh_readreg1, id_hh_readreg2;
wire id_ex_regwrite, id_ex_alusrc, id_ex_memread, id_ex_memwrite, id_ex_memtoreg, id_ex_branch, id_ex_jump, id_ex_jumpreg;
wire[3:0] id_ex_aluctrl;
// EX - MEM
wire[31:0] ex_mem_aluresult, ex_mem_memwritedata, ex_mem_PC_4, ex_mem_PCjump, ex_mem_tempPCbranch;
wire[4:0] ex_mem_writereg;
wire ex_mem_regwrite, ex_mem_memread, ex_mem_memwrite, ex_mem_memtoreg, ex_mem_branch, ex_mem_jump;
// MEM - WB
wire[4:0] mem_wb_writereg_num;
wire mem_wb_regwrite, mem_wb_memtoreg, mem_wb_jump;
wire[31:0] mem_wb_aluresult, mem_wb_memreaddata, mem_wb_PCbranch, mem_wb_PCjump;
// WB - etc.
wire wb_id_regwrite;
wire[4:0] wb_id_writereg;
wire[31:0] wb_id_reg_writedata;
wire[31:0] wb_nextPC;
Clock clock(clk);
InstructionFetch IF(clk, PC, if_id_instruction, if_id_pc_4);
InstructionDecode ID(clk, if_id_instruction, if_id_pc_4, wb_id_writereg, wb_id_reg_writedata, wb_id_regwrite,
id_ex_writereg, id_ex_regwrite, id_ex_alusrc, id_ex_aluctrl, id_ex_memread, id_ex_memwrite, id_ex_memtoreg, id_ex_branch, id_ex_jump, id_ex_jumpreg,
id_ex_reg_readdata1, id_ex_reg_readdata2, id_ex_extenddata, id_ex_pc_4, id_ex_tempPCjump);
Execute EX(clk, id_ex_writereg, id_ex_regwrite, id_ex_alusrc, id_ex_aluctrl, id_ex_memread, id_ex_memwrite, id_ex_memtoreg, id_ex_branch, id_ex_jump, id_ex_jumpreg,
id_ex_reg_readdata1, id_ex_reg_readdata2, id_ex_extenddata, id_ex_pc_4, id_ex_tempPCjump,
ex_mem_writereg, ex_mem_regwrite, ex_mem_memread, ex_mem_memwrite, ex_mem_memtoreg, ex_mem_branch, ex_mem_jump,
ex_mem_aluresult, ex_mem_memwritedata, ex_mem_PC_4, ex_mem_PCjump, ex_mem_tempPCbranch);
Mem MEM(clk, ex_mem_writereg, ex_mem_regwrite, ex_mem_memread, ex_mem_memwrite, ex_mem_memtoreg, ex_mem_branch, ex_mem_jump,
ex_mem_aluresult, ex_mem_memwritedata, ex_mem_PC_4, ex_mem_PCjump, ex_mem_tempPCbranch,
mem_wb_writereg_num, mem_wb_regwrite, mem_wb_memtoreg, mem_wb_jump, mem_wb_aluresult, mem_wb_memreaddata, mem_wb_PCbranch, mem_wb_PCjump);
WriteBack WB(clk, mem_wb_writereg_num, mem_wb_regwrite, mem_wb_memtoreg, mem_wb_jump, mem_wb_aluresult, mem_wb_memreaddata, mem_wb_PCbranch, mem_wb_PCjump,
wb_id_regwrite, wb_id_writereg, wb_id_reg_writedata, wb_nextPC);
initial begin
PC = 32'hfffffffc;
end
always @(posedge clk) begin
instr_address = PC;
end
always @(negedge clk) begin
PC = PC + 4;
end
*/
endmodule
module MIPS_SingleCycle;
wire clk; // clock
reg[31:0] PC; // program counter
reg[31:0] instr_address;
wire[31:0] addPC4, addPCbranch, tempPC_branch, tempPC_jump, nextPC;
wire[31:0] instr; // loaded instruction.
wire[4:0] reg_writereg1; // register number for the write data.
wire[31:0] reg_writedata; // data that will be written in the register.
wire[31:0] reg_readdata1, reg_readdata2; // data from the requested register.
wire[31:0] alu_input2; // input data of ALU.
wire[31:0] alu_result; // result data of ALU.
wire[5:0] alu_branch; // indicator for branch operation.
wire[31:0] mem_readdata; // data from the requested address.
wire ctrl_regdst, ctrl_regwrite, ctrl_alusrc, ctrl_memread, ctrl_memwrite, ctrl_memtoreg, ctrl_jump, ctrl_jumpreg, branch_signal;
wire[3:0] ctrl_aluctrl;
wire[2:0] ctrl_branch; // control signals.
wire[31:0] extend_output;
wire[31:0] shiftBranch_output;
wire[31:0] shiftJump_output;
Clock clock(clk);
InstructionMemory instrmem(instr_address, instr);
Register register(clk, instr[25:21], instr[20:16], reg_writereg1, reg_writedata, ctrl_regwrite, reg_readdata1, reg_readdata2);
ALU alu(clk, reg_readdata1, alu_input2, ctrl_aluctrl, alu_result, alu_branch);
DataMemory datamem(clk, alu_result, reg_readdata2, ctrl_memread, ctrl_memwrite, mem_readdata);
Control ctrl(instr[31:26], instr[20:16], instr[5:0], ctrl_regdst, ctrl_regwrite, ctrl_alusrc, ctrl_aluctrl, ctrl_memread, ctrl_memwrite, ctrl_memtoreg, ctrl_branch, ctrl_jump, ctrl_jumpreg);
Mux5bit mux_regdst(instr[20:16], instr[15:11], ctrl_regdst, reg_writereg1);
MuxBranchSignal mux_branchsignal(alu_branch, ctrl_branch, branch_signal);
Mux32bit mux_alusrc(reg_readdata2, extend_output, ctrl_alusrc, alu_input2);
Mux32bit mux_memtoreg(alu_result, mem_readdata, ctrl_memtoreg, reg_writedata);
Mux32bit mux_branch(addPC4, addPCbranch, branch_signal , tempPC_branch);
Mux32bit mux_jumpreg({addPC4[31:28], shiftJump_output[27:0]}, reg_readdata1, ctrl_jumpreg, tempPC_jump);
Mux32bit mux_jump(tempPC_branch, tempPC_jump, ctrl_jump, nextPC);
SignExtend extend(instr[15:0], extend_output);
Adder add_pc4(PC, 32'h00000004, addPC4);
Adder add_branch(addPC4, shiftBranch_output, addPCbranch);
ShiftLeft2 shiftBranch(extend_output, shiftBranch_output);
ShiftLeft2 shiftJump({6'b000000, instr[25:0]}, shiftJump_output);
initial begin
PC = 32'h00000000;
end
always @(posedge clk) begin
case(nextPC[31]) // if nextPC is available, PC = nextPC.
1'b0: PC = nextPC;
1'b1: PC = nextPC;
endcase
instr_address = PC;
end
endmodule
module Mux5bit(input1, input2, signal, output1);
input[4:0] input1, input2;
input signal;
output reg[4:0] output1;
......@@ -10,11 +9,10 @@ always @(*) begin
1'b1: output1 = input2;
endcase
end
endmodule
module Mux32bit(input1, input2, signal, output1);
module Mux32bit(input1, input2, signal, output1);
input[31:0] input1, input2;
input signal;
output reg[31:0] output1;
......@@ -25,5 +23,24 @@ always @(*) begin
1'b1: output1 = input2;
endcase
end
endmodule
module MuxBranchSignal(input1, signal, output1);
input[5:0] input1;
input[2:0] signal;
output reg output1;
always @(*) begin
case(signal)
3'b000: output1 = 1'b0;
3'b001: output1 = input1[0];
3'b010: output1 = input1[1];
3'b011: output1 = input1[2];
3'b100: output1 = input1[3];
3'b101: output1 = input1[4];
3'b110: output1 = input1[5];
endcase
end
endmodule
......
module IF_ID(clk, in_instruction, in_PC_4,
out_instruction, out_PC_4);
input clk;
input[31:0] in_instruction, in_PC_4;
output reg[31:0] out_instruction, out_PC_4;
always @(posedge clk) begin
out_instruction <= in_instruction;
out_PC_4 <= in_PC_4;
end
endmodule
module ID_EX(clk, in_writereg_num, in_regwrite, in_alusrc, in_aluctrl, in_memread, in_memwrite, in_memtoreg, in_branch, in_jump, in_jumpreg,
in_readdata1, in_readdata2, in_extenddata, in_PC_4, in_tempPCjump, in_readreg_num1, in_readreg_num2,
out_writereg_num, out_regwrite, out_alusrc, out_aluctrl, out_memread, out_memwrite, out_memtoreg, out_branch, out_jump, out_jumpreg,
out_readdata1, out_readdata2, out_extenddata, out_PC_4, out_tempPCjump, out_readreg_num1, out_readreg_num2);
input clk;
input[4:0] in_writereg_num;
input in_regwrite, in_alusrc, in_memread, in_memwrite, in_memtoreg, in_branch, in_jump, in_jumpreg;
input[3:0] in_aluctrl;
input[31:0] in_readdata1, in_readdata2, in_extenddata, in_PC_4, in_tempPCjump, in_readreg_num1, in_readreg_num2;
output reg[4:0] out_writereg_num;
output reg out_regwrite, out_alusrc, out_memread, out_memwrite, out_memtoreg, out_branch, out_jump, out_jumpreg;
output reg[3:0] out_aluctrl;
output reg[31:0] out_readdata1, out_readdata2, out_extenddata, out_PC_4, out_tempPCjump, out_readreg_num1, out_readreg_num2;
always @(posedge clk) begin
out_writereg_num <= in_writereg_num;
out_regwrite <= in_regwrite;
out_alusrc <= in_alusrc;
out_aluctrl <= in_aluctrl;
out_memread <= in_memread;
out_memwrite <= in_memwrite;
out_memtoreg <= in_memtoreg;
out_branch <= in_branch;
out_jump <= in_jump;
out_jumpreg <= in_jumpreg;
out_readdata1 <= in_readdata1;
out_readdata2 <= in_readdata2;
out_extenddata <= in_extenddata;
out_PC_4 <= out_PC_4;
out_tempPCjump <= in_tempPCjump;
out_readreg_num1 <= in_readreg_num1;
out_readreg_num2 <= in_readreg_num2;
end
endmodule
module EX_MEM(clk, in_writereg_num, in_regwrite, in_memread, in_memwrite, in_memtoreg, in_branch, in_jump,
in_aluresult, in_mem_writedata, in_PC_4, in_PCjump, in_tempPCbranch,
out_writereg_num, out_regwrite, out_memread, out_memwrite, out_memtoreg, out_branch, out_jump,
out_aluresult, out_mem_writedata, out_PC_4, out_PCjump, out_tempPCbranch);
input clk;
input[4:0] in_writereg_num;
input in_regwrite, in_memread, in_memwrite, in_memtoreg, in_branch, in_jump;
input[31:0] in_aluresult, in_mem_writedata, in_PC_4, in_PCjump, in_tempPCbranch;
output reg[4:0] out_writereg_num;
output reg out_regwrite, out_memread, out_memwrite, out_memtoreg, out_branch, out_jump;
output reg[31:0] out_aluresult, out_mem_writedata, out_PC_4, out_PCjump, out_tempPCbranch;
always @(posedge clk) begin
out_writereg_num <= in_writereg_num;
out_regwrite <= in_regwrite;
out_memread <= in_memread;
out_memwrite <= in_memwrite;
out_memtoreg <= in_memtoreg;
out_branch <= in_branch;
out_jump <= in_jump;
out_aluresult <= in_aluresult;
out_mem_writedata <= in_mem_writedata;
out_PC_4 <= in_PC_4;
out_PCjump <= in_PCjump;
out_tempPCbranch <= in_tempPCbranch;
end
endmodule
module MEM_WB(clk, in_writereg_num, in_regwrite, in_memtoreg, in_jump, in_aluresult, in_memreaddata, in_PCbranch, in_PCjump,
out_writereg_num, out_regwrite, out_memtoreg, out_jump, out_aluresult, out_memreaddata, out_PCbranch, out_PCjump);
input clk;
input[4:0] in_writereg_num;
input in_regwrite, in_memtoreg, in_jump;
input[31:0] in_aluresult, in_memreaddata, in_PCbranch, in_PCjump;
output reg[4:0] out_writereg_num;
output reg out_regwrite, out_memtoreg, out_jump;
output reg[31:0] out_aluresult, out_memreaddata, out_PCbranch, out_PCjump;
always @(posedge clk) begin
out_writereg_num <= in_writereg_num;
out_regwrite <= in_regwrite;
out_memtoreg <= in_memtoreg;
out_jump <= in_jump;
out_aluresult <= in_aluresult;
out_memreaddata <= in_memreaddata;
out_PCbranch <= out_PCbranch;
out_PCjump <= out_PCjump;
end
endmodule
/* Not Finished */
module PCcounter(clk, in_pc, out_nextpc);
input clk;
input[31:0] in_pc;
output reg[31:0] out_nextpc;
reg[31:0] PC;
initial begin
PC = 32'h00000000;
end
always @(posedge clk) begin
/*
case(in_pc[31]) // if in_pc is available, PC = in_pc.
1'b0: PC = in_pc;
1'b1: PC = in_pc;
endcase
*/
PC <= PC+4;
out_nextpc <= PC;
end
endmodule
module test;
wire clk;
reg sig1;
reg[31:0] in1;
wire[31:0] out1, out2;
Clock clock(clk);
testA ta(clk, sig1, in1, out1, out2);
initial begin
sig1 <= 1'b0;
in1 <= 32'd0;
#100;
in1 <= 32'hffffffff;
#100;
sig1 <= 1'b1;
in1 <= 32'h0000ffff;
#100;
sig1 <= 1'b1;
in1 <= 32'hffff0000;
#100;
end
/*
wire clk;
reg[31:0] pc;
wire[31:0] instr, tempPC;
Clock clock(clk);
InstructionFetch IF(clk, pc, instr, tempPC);
initial begin
pc = 32'hfffffffc;
end
always @(negedge clk) begin
pc = pc + 4;
end
*/
endmodule
module testA(clk, sig1, in1, out1, out2);
input clk, sig1;
input[31:0] in1;
output reg[31:0] out1, out2;
always @(posedge clk) begin
out1 <= in1;
if(sig1 == 1) out2 <= in1;
end
endmodule
......@@ -31,9 +31,9 @@ Register register(clk, instr[25:21], instr[20:16], reg_writereg1, reg_writedata,
ALU alu(clk, reg_readdata1, alu_input2, ctrl_aluctrl, alu_result, alu_branch);
DataMemory datamem(clk, alu_result, reg_readdata2, ctrl_memread, ctrl_memwrite, mem_readdata);
Control ctrl(instr[31:26], instr[5:0], ctrl_regdst, ctrl_regwrite, ctrl_alusrc, ctrl_aluctrl, ctrl_memread, ctrl_memwrite, ctrl_memtoreg, ctrl_branch, ctrl_jump, ctrl_jumpreg);
Mux5bit mux_writereg(instr[20:16], instr[15:11], ctrl_regdst, reg_writereg1);
Mux32bit mux_alu(reg_readdata2, extend_output, ctrl_alusrc, alu_input2);
Mux32bit mux_writedata(alu_result, mem_readdata, ctrl_memtoreg, reg_writedata);
Mux5bit mux_regdst(instr[20:16], instr[15:11], ctrl_regdst, reg_writereg1);
Mux32bit mux_alusrc(reg_readdata2, extend_output, ctrl_alusrc, alu_input2);
Mux32bit mux_memtoreg(alu_result, mem_readdata, ctrl_memtoreg, reg_writedata);
Mux32bit mux_branch(addPC4, addPCbranch, {ctrl_branch&alu_branch} , tempPC_branch);
Mux32bit mux_jumpreg({addPC4[31:28], shiftJump_output[27:0]}, reg_readdata1, ctrl_jumpreg, tempPC_jump);
Mux32bit mux_jump(tempPC_branch, tempPC_jump, ctrl_jump, nextPC);
......
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cModel Technology
dD:/class/Capstone1/KNW_Project2/Project/Pipeline
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vMuxBranchSignal
R5
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!s100 H1RKS9h`Y6QFX88CRc<g[0
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vShiftLeft2
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No preview for this file type
No preview for this file type
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module InstructionMemory(address, instruction);
input[31:0] address;
output reg[31:0] instruction;
reg[31:0] instr_mem[127:0];
initial begin
instr_mem[0] = 32'd0;
instr_mem[1] = 32'b00100100000010000000000011111111; // addi $0 $8 255
instr_mem[2] = 32'b00000001000010000100100000100000; // add $8 $8 $9
instr_mem[3] = 32'b00000001000000000101000000100000; // add $8 $0 $10
instr_mem[4] = 32'b00010001000010110000000000000001; // beq $8 $11 +1
instr_mem[5] = 32'b00000001000010010000000000011000; // mult $8 $9
instr_mem[6] = 32'd0;
instr_mem[7] = 32'b00000000000000000110000000010000; // mfhi $12
instr_mem[8] = 32'b00000000000000000110100000010010; // mflo $13
instr_mem[9] = 32'b10101100000011010000000000111100; // sw $0 $13 60
instr_mem[10] = 32'd0;
instr_mem[11] = 32'b00010001000010110000000000000001; // beq $8 $11 +1
instr_mem[12] = 32'b10001100000000010000000000111100; // lw $0 $1 60
instr_mem[13] = 32'd0;
instr_mem[14] = 32'b00000000000000000000000000001000; // jr $0
end
always @ (*) begin
instruction = instr_mem[address/4];
end
endmodule
D:/class/Capstone1/KNW_Project2/Project/SingleCycle/ShiftLeft2.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/SingleCycle/ShiftLeft2.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module ShiftLeft2
Top level modules:
ShiftLeft2
} {} {}} D:/class/Capstone1/KNW_Project2/Project/SingleCycle/InstructionMemory.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/SingleCycle/InstructionMemory.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module InstructionMemory
Top level modules:
InstructionMemory
} {} {}} {D:/class/Capstone1/KNW_Project2/Project/SingleCycle/Data Memory.v} {1 {vlog -work work -stats=none {D:/class/Capstone1/KNW_Project2/Project/SingleCycle/Data Memory.v}
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module DataMemory
Top level modules:
DataMemory
} {} {}} D:/class/Capstone1/KNW_Project2/Project/SingleCycle/testbench.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/SingleCycle/testbench.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module testbench
Top level modules:
testbench
} {} {}} D:/class/Capstone1/KNW_Project2/Project/SingleCycle/clock.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/SingleCycle/clock.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module Clock
Top level modules:
Clock
} {} {}} D:/class/Capstone1/KNW_Project2/Project/SingleCycle/Adder.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/SingleCycle/Adder.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module Adder
Top level modules:
Adder
} {} {}} D:/class/Capstone1/KNW_Project2/Project/SingleCycle/SignExtend.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/SingleCycle/SignExtend.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module SignExtend
Top level modules:
SignExtend
} {} {}} D:/class/Capstone1/KNW_Project2/Project/SingleCycle/Register.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/SingleCycle/Register.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module Register
Top level modules:
Register
} {} {}} D:/class/Capstone1/KNW_Project2/Project/SingleCycle/Control.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/SingleCycle/Control.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module Control
Top level modules:
Control
} {} {}} D:/class/Capstone1/KNW_Project2/Project/SingleCycle/ALU.v {1 {vlog -work work -stats=none D:/class/Capstone1/KNW_Project2/Project/SingleCycle/ALU.v
Model Technology ModelSim PE Student Edition vlog 10.4a Compiler 2015.03 Apr 7 2015
-- Compiling module ALU
Top level modules:
ALU
} {} {}}
module test;
reg[31:0] in1, in2;
reg[3:0] ctrl;
wire[31:0] out;
wire a;
ALU alu(in1, in2, ctrl, out, a);
initial begin
in1 = 32'd128;
in2 = 32'd982;
ctrl = 4'b1000;
#100;
in1 = 32'd123;
in2 = 32'd246;
ctrl = 4'b0010;
#100;
ctrl = 4'b1010;
#100;
ctrl = 4'b1011;
#100;
end
/*
wire clk;
Clock clock(clk);
*/
/*
reg[31:0] address, wdata;
reg mr, mw;
wire[31:0] rdata;
DataMemory damem(address, wdata, mr, mw, rdata);
initial begin
address = 32'd0;
wdata = 32'd127;
mr = 1'b0;
mw = 1'b1;
#100;
address = 32'd48;
wdata = 32'd255;
mr = 1'b0;
mw = 1'b1;
#100;
address = 32'd48;
wdata = 32'd255;
mr = 1'b1;
mw = 1'b0;
#100;
address = 32'd48;
wdata = 32'd4;
mr = 1'b0;
mw = 1'b1;
#100;
end
*/
/*
wire[31:0] regout1, regout2;
reg[4:0] ins1, ins2, ins3;
wire[31:0] aluresult;
reg[3:0] aluctrl;
reg rwrite;
reg[31:0] aluin2;
Register Regi(ins1, ins2, ins3, aluresult, rwrite, regout1, regout2);
ALU alu(regout1, aluin2, aluctrl, aluresult);
initial begin
rwrite = 1;
ins1 = 5'd0;
ins2 = 5'd29;
ins3 = 5'd7;
aluin2 = 32'h7fffffff;
aluctrl = 4'b0010;
#100;
rwrite = 1;
ins1 = 5'd7;
ins2 = 5'd7;
ins3 = 5'd8;
aluctrl = 4'b0010;
#100;
rwrite = 0;
#100;
rwrite = 1;
ins1 = 5'd0;
ins2 = 5'd29;
ins3 = 5'd7;
aluin2 = 32'h7fffffff;
aluctrl = 4'b0010;
#100;
rwrite = 1;
ins1 = 5'd7;
ins2 = 5'd7;
ins3 = 5'd8;
aluctrl = 4'b0010;
#100;
end
*/
/*
reg[31:0] input1, input2;
reg[3:0] ctrl;
wire[31:0] output1;
wire zero;
ALU testalu(input1, input2, ctrl, output1, zero);
initial begin
input1 <= 32'h0000000f;
input2 <= 32'h000000f0;
ctrl <= 4'h0; // add
#100;
ctrl <= 4'h1; // or
#100;
ctrl <= 4'h2; // add
#100;
ctrl <= 4'h6; // sub
#100;
ctrl <= 4'h7; // slt
#100;
ctrl <= 4'hc; // nor
#100;
input1 <= 32'h000000f0;
input2 <= 32'h0000000f;
ctrl <= 4'h6; // sub
#100;
input1 <= 32'h000000f0;
input2 <= 32'h0000000f;
ctrl <= 4'h6; // sub
#100;
input1 <= 32'h000000f0;
input2 <= 32'h0000000f;
ctrl <= 4'h6; // sub
#100;
input1 <= 32'h000000f0;
input2 <= 32'h0000000f;
ctrl <= 4'h6; // sub
#100;
end
*/
/*
reg[31:0] input1;
wire[31:0] output1;
InstructionMemory im(input1, output1);
initial
begin
input1 = {{28{1'b0}}, 4'b0000};
#100;
input1 = {{28{1'b0}}, 4'b1100};
#100;
input1 = {{28{1'b0}}, 4'b1000};
#100;
input1 = {{28{1'b0}}, 4'b0100};
#100;
input1 = {{28{1'b0}}, 4'b0000};
#100;
end
*/
/*
reg[7:0] input1;
wire[7:0] output1;
Adder adder1(input1, 8'b00000001, output1);
initial
begin
input1 = 8'b00001111;
#100;
input1 = 8'b00001000;
#100;
input1 = 8'b00000000;
#100;
input1 = 8'b11111111;
#100;
end
*/
endmodule
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