forked from Github_Repos/cvw
		
	Linux CoreMark and baremetal CoreMark split into two separate tests/configs
This commit is contained in:
		
							parent
							
								
									6ebb79abe0
								
							
						
					
					
						commit
						396dc61564
					
				
							
								
								
									
										89
									
								
								wally-pipelined/config/coremark_bare/wally-config.vh
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										89
									
								
								wally-pipelined/config/coremark_bare/wally-config.vh
									
									
									
									
									
										Normal file
									
								
							@ -0,0 +1,89 @@
 | 
				
			|||||||
 | 
					//////////////////////////////////////////
 | 
				
			||||||
 | 
					// wally-config.vh
 | 
				
			||||||
 | 
					//
 | 
				
			||||||
 | 
					// Written: David_Harris@hmc.edu 4 January 2021
 | 
				
			||||||
 | 
					// Modified: 
 | 
				
			||||||
 | 
					//
 | 
				
			||||||
 | 
					// Purpose: Specify which features are configured
 | 
				
			||||||
 | 
					//          Macros to determine which modes are supported based on MISA
 | 
				
			||||||
 | 
					// 
 | 
				
			||||||
 | 
					// A component of the Wally configurable RISC-V project.
 | 
				
			||||||
 | 
					// 
 | 
				
			||||||
 | 
					// Copyright (C) 2021 Harvey Mudd College & Oklahoma State University
 | 
				
			||||||
 | 
					//
 | 
				
			||||||
 | 
					// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation
 | 
				
			||||||
 | 
					// files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, 
 | 
				
			||||||
 | 
					// modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software 
 | 
				
			||||||
 | 
					// is furnished to do so, subject to the following conditions:
 | 
				
			||||||
 | 
					//
 | 
				
			||||||
 | 
					// The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 | 
				
			||||||
 | 
					//
 | 
				
			||||||
 | 
					// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 
 | 
				
			||||||
 | 
					// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 
 | 
				
			||||||
 | 
					// BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT 
 | 
				
			||||||
 | 
					// OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 | 
				
			||||||
 | 
					///////////////////////////////////////////
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					// RV32 or RV64: XLEN = 32 or 64
 | 
				
			||||||
 | 
					`define XLEN 64
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					//`define MISA (32'h00000104)
 | 
				
			||||||
 | 
					`define MISA (32'h00000104 | 1<<5 | 1<<18 | 1 << 20 | 1 << 12)
 | 
				
			||||||
 | 
					`define A_SUPPORTED ((`MISA >> 0) % 2 == 1)
 | 
				
			||||||
 | 
					`define C_SUPPORTED ((`MISA >> 2) % 2 == 1)
 | 
				
			||||||
 | 
					`define D_SUPPORTED ((`MISA >> 3) % 2 == 1)
 | 
				
			||||||
 | 
					`define F_SUPPORTED ((`MISA >> 5) % 2 == 1)
 | 
				
			||||||
 | 
					`define M_SUPPORTED ((`MISA >> 12) % 2 == 1)
 | 
				
			||||||
 | 
					`define S_SUPPORTED ((`MISA >> 18) % 2 == 1)
 | 
				
			||||||
 | 
					`define U_SUPPORTED ((`MISA >> 20) % 2 == 1)
 | 
				
			||||||
 | 
					`define ZCSR_SUPPORTED 1
 | 
				
			||||||
 | 
					`define ZCOUNTERS_SUPPORTED 1
 | 
				
			||||||
 | 
					// N-mode user-level interrupts are depricated per Andrew Waterman 1/13/21
 | 
				
			||||||
 | 
					//`define N_SUPPORTED ((MISA >> 13) % 2 == 1)
 | 
				
			||||||
 | 
					`define N_SUPPORTED 0
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					`define M_MODE (2'b11)
 | 
				
			||||||
 | 
					`define S_MODE (2'b01)
 | 
				
			||||||
 | 
					`define U_MODE (2'b00)
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					// Microarchitectural Features
 | 
				
			||||||
 | 
					`define UARCH_PIPELINED 1
 | 
				
			||||||
 | 
					`define UARCH_SUPERSCALR 0
 | 
				
			||||||
 | 
					`define UARCH_SINGLECYCLE 0
 | 
				
			||||||
 | 
					`define MEM_DCACHE 0
 | 
				
			||||||
 | 
					`define MEM_DTIM 1
 | 
				
			||||||
 | 
					`define MEM_ICACHE 0
 | 
				
			||||||
 | 
					`define MEM_VIRTMEM 0
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					// Address space
 | 
				
			||||||
 | 
					`define RESET_VECTOR 64'h0000000080000000
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					// Bus Interface width
 | 
				
			||||||
 | 
					`define AHBW 64
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					// Peripheral Addresses
 | 
				
			||||||
 | 
					// Peripheral memory space extends from BASE to BASE+RANGE
 | 
				
			||||||
 | 
					// Range should be a thermometer code with 0's in the upper bits and 1s in the lower bits
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					`define TIMBASE    32'h80000000
 | 
				
			||||||
 | 
					`define TIMRANGE   32'h000FFFFF
 | 
				
			||||||
 | 
					`define CLINTBASE  32'h02000000
 | 
				
			||||||
 | 
					`define CLINTRANGE 32'h0000FFFF
 | 
				
			||||||
 | 
					`define GPIOBASE   32'h10012000
 | 
				
			||||||
 | 
					`define GPIORANGE  32'h000000FF
 | 
				
			||||||
 | 
					`define UARTBASE   32'h10000000
 | 
				
			||||||
 | 
					`define UARTRANGE  32'h00000007
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					// Test modes
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					// Tie GPIO outputs back to inputs
 | 
				
			||||||
 | 
					`define GPIO_LOOPBACK_TEST 0
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					// Hardware configuration
 | 
				
			||||||
 | 
					`define UART_PRESCALE 1
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					/* verilator lint_off STMTDLY */
 | 
				
			||||||
 | 
					/* verilator lint_off WIDTH */
 | 
				
			||||||
 | 
					/* verilator lint_off ASSIGNDLY */
 | 
				
			||||||
 | 
					/* verilator lint_off PINCONNECTEMPTY */
 | 
				
			||||||
							
								
								
									
										115
									
								
								wally-pipelined/regression/wally-coremark_bare.do
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										115
									
								
								wally-pipelined/regression/wally-coremark_bare.do
									
									
									
									
									
										Normal file
									
								
							@ -0,0 +1,115 @@
 | 
				
			|||||||
 | 
					# wally-coremark.do 
 | 
				
			||||||
 | 
					#
 | 
				
			||||||
 | 
					# Modification by Oklahoma State University & Harvey Mudd College
 | 
				
			||||||
 | 
					# Use with Testbench 
 | 
				
			||||||
 | 
					# James Stine, 2008; David Harris 2021
 | 
				
			||||||
 | 
					# Go Cowboys!!!!!!
 | 
				
			||||||
 | 
					#
 | 
				
			||||||
 | 
					# Takes 1:10 to run RV64IC tests using gui
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					# Use this wally-coremark.do file to run this example.
 | 
				
			||||||
 | 
					# Either bring up ModelSim and type the following at the "ModelSim>" prompt:
 | 
				
			||||||
 | 
					#     do wally-coremark.do
 | 
				
			||||||
 | 
					# or, to run from a shell, type the following at the shell prompt:
 | 
				
			||||||
 | 
					#     vsim -do wally-coremark.do -c
 | 
				
			||||||
 | 
					# (omit the "-c" to see the GUI while running from the shell)
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					onbreak {resume}
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					# create library
 | 
				
			||||||
 | 
					if [file exists work] {
 | 
				
			||||||
 | 
					    vdel -all
 | 
				
			||||||
 | 
					}
 | 
				
			||||||
 | 
					vlib work
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					# compile source files
 | 
				
			||||||
 | 
					# suppress spurious warnngs about 
 | 
				
			||||||
 | 
					# "Extra checking for conflicts with always_comb done at vopt time"
 | 
				
			||||||
 | 
					# because vsim will run vopt
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					# default to config/coremark, but allow this to be overridden at the command line.  For example:
 | 
				
			||||||
 | 
					vlog +incdir+../config/coremark_bare ../testbench/testbench-coremark_bare.sv ../src/*/*.sv -suppress 2583
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					# start and run simulation
 | 
				
			||||||
 | 
					# remove +acc flag for faster sim during regressions if there is no need to access internal signals
 | 
				
			||||||
 | 
					vopt +acc work.testbench -o workopt 
 | 
				
			||||||
 | 
					vsim workopt
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					view wave
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					-- display input and output signals as hexidecimal values
 | 
				
			||||||
 | 
					# Diplays All Signals recursively
 | 
				
			||||||
 | 
					add wave /testbench/clk
 | 
				
			||||||
 | 
					add wave /testbench/reset
 | 
				
			||||||
 | 
					add wave -divider
 | 
				
			||||||
 | 
					#add wave /testbench/dut/hart/ebu/IReadF
 | 
				
			||||||
 | 
					#add wave /testbench/dut/hart/DataStall
 | 
				
			||||||
 | 
					#add wave /testbench/dut/hart/InstrStall
 | 
				
			||||||
 | 
					#add wave /testbench/dut/hart/StallF
 | 
				
			||||||
 | 
					#add wave /testbench/dut/hart/StallD
 | 
				
			||||||
 | 
					#add wave /testbench/dut/hart/FlushD
 | 
				
			||||||
 | 
					#add wave /testbench/dut/hart/FlushE
 | 
				
			||||||
 | 
					#add wave /testbench/dut/hart/FlushM
 | 
				
			||||||
 | 
					#add wave /testbench/dut/hart/FlushW
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					add wave -divider Fetch
 | 
				
			||||||
 | 
					add wave -hex /testbench/dut/hart/ifu/PCF
 | 
				
			||||||
 | 
					add wave -hex /testbench/dut/hart/ifu/InstrF
 | 
				
			||||||
 | 
					add wave /testbench/InstrFName
 | 
				
			||||||
 | 
					add wave -divider Decode
 | 
				
			||||||
 | 
					add wave -hex /testbench/dut/hart/ifu/PCD
 | 
				
			||||||
 | 
					add wave -hex /testbench/dut/hart/ifu/InstrD
 | 
				
			||||||
 | 
					add wave /testbench/InstrDName
 | 
				
			||||||
 | 
					add wave -divider Execute
 | 
				
			||||||
 | 
					add wave -hex /testbench/dut/hart/ifu/PCE
 | 
				
			||||||
 | 
					add wave -hex /testbench/dut/hart/ifu/InstrE
 | 
				
			||||||
 | 
					add wave /testbench/InstrEName
 | 
				
			||||||
 | 
					add wave -divider Memory
 | 
				
			||||||
 | 
					add wave -hex /testbench/dut/hart/ifu/PCM
 | 
				
			||||||
 | 
					add wave -hex /testbench/dut/hart/ifu/InstrM
 | 
				
			||||||
 | 
					add wave /testbench/InstrMName
 | 
				
			||||||
 | 
					add wave -divider Write
 | 
				
			||||||
 | 
					add wave -hex /testbench/dut/hart/ifu/PCW
 | 
				
			||||||
 | 
					add wave -hex /testbench/dut/hart/ifu/InstrW
 | 
				
			||||||
 | 
					add wave /testbench/InstrWName
 | 
				
			||||||
 | 
					#add wave -hex /testbench/dut/hart/ieu/dp/SrcAE
 | 
				
			||||||
 | 
					#add wave -hex /testbench/dut/hart/ieu/dp/SrcBE
 | 
				
			||||||
 | 
					#add wave -hex /testbench/dut/hart/ieu/dp/ALUResultE
 | 
				
			||||||
 | 
					#add wave /testbench/dut/hart/ieu/dp/PCSrcE
 | 
				
			||||||
 | 
					add wave -divider Regfile_signals
 | 
				
			||||||
 | 
					#add wave /testbench/dut/uncore/dtim/memwrite
 | 
				
			||||||
 | 
					#add wave -hex /testbench/dut/uncore/HADDR
 | 
				
			||||||
 | 
					#add wave -hex /testbench/dut/uncore/HWDATA
 | 
				
			||||||
 | 
					#add wave -divider
 | 
				
			||||||
 | 
					#add wave -hex /testbench/dut/hart/ifu/PCW
 | 
				
			||||||
 | 
					#add wave /testbench/InstrWName
 | 
				
			||||||
 | 
					#add wave /testbench/dut/hart/ieu/dp/RegWriteW
 | 
				
			||||||
 | 
					#add wave -hex /testbench/dut/hart/ieu/dp/ResultW
 | 
				
			||||||
 | 
					#add wave -hex /testbench/dut/hart/ieu/dp/RdW
 | 
				
			||||||
 | 
					add wave -hex -r /testbench/dut/hart/ieu/dp/regf/*
 | 
				
			||||||
 | 
					add wave -divider Regfile_itself
 | 
				
			||||||
 | 
					add wave -hex -r /testbench/dut/hart/ieu/dp/regf/rf
 | 
				
			||||||
 | 
					add wave -divider RAM
 | 
				
			||||||
 | 
					add wave -hex -r /testbench/dut/uncore/dtim/RAM
 | 
				
			||||||
 | 
					add wave -divider Misc
 | 
				
			||||||
 | 
					add wave -divider
 | 
				
			||||||
 | 
					#add wave -hex -r /testbench/*
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					-- Set Wave Output Items 
 | 
				
			||||||
 | 
					TreeUpdate [SetDefaultTree]
 | 
				
			||||||
 | 
					WaveRestoreZoom {0 ps} {100 ps}
 | 
				
			||||||
 | 
					configure wave -namecolwidth 250
 | 
				
			||||||
 | 
					configure wave -valuecolwidth 120
 | 
				
			||||||
 | 
					configure wave -justifyvalue left
 | 
				
			||||||
 | 
					configure wave -signalnamewidth 0
 | 
				
			||||||
 | 
					configure wave -snapdistance 10
 | 
				
			||||||
 | 
					configure wave -datasetprefix 0
 | 
				
			||||||
 | 
					configure wave -rowmargin 4
 | 
				
			||||||
 | 
					configure wave -childrowmargin 2
 | 
				
			||||||
 | 
					set DefaultRadix hexadecimal
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					-- Run the Simulation 
 | 
				
			||||||
 | 
					#run 7402000
 | 
				
			||||||
 | 
					#run 10500
 | 
				
			||||||
 | 
					run -all
 | 
				
			||||||
 | 
					#quit
 | 
				
			||||||
							
								
								
									
										215
									
								
								wally-pipelined/testbench/testbench-coremark_bare.sv
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										215
									
								
								wally-pipelined/testbench/testbench-coremark_bare.sv
									
									
									
									
									
										Normal file
									
								
							@ -0,0 +1,215 @@
 | 
				
			|||||||
 | 
					///////////////////////////////////////////
 | 
				
			||||||
 | 
					// testbench-imperas.sv
 | 
				
			||||||
 | 
					//
 | 
				
			||||||
 | 
					// Written: David_Harris@hmc.edu 9 January 2021
 | 
				
			||||||
 | 
					// Modified: 
 | 
				
			||||||
 | 
					//
 | 
				
			||||||
 | 
					// Purpose: Wally Testbench and helper modules
 | 
				
			||||||
 | 
					//          Applies test programs from the Imperas suite
 | 
				
			||||||
 | 
					// 
 | 
				
			||||||
 | 
					// A component of the Wally configurable RISC-V project.
 | 
				
			||||||
 | 
					// 
 | 
				
			||||||
 | 
					// Copyright (C) 2021 Harvey Mudd College & Oklahoma State University
 | 
				
			||||||
 | 
					//
 | 
				
			||||||
 | 
					// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation
 | 
				
			||||||
 | 
					// files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, 
 | 
				
			||||||
 | 
					// modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software 
 | 
				
			||||||
 | 
					// is furnished to do so, subject to the following conditions:
 | 
				
			||||||
 | 
					//
 | 
				
			||||||
 | 
					// The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 | 
				
			||||||
 | 
					//
 | 
				
			||||||
 | 
					// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 
 | 
				
			||||||
 | 
					// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 
 | 
				
			||||||
 | 
					// BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT 
 | 
				
			||||||
 | 
					// OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 | 
				
			||||||
 | 
					///////////////////////////////////////////
 | 
				
			||||||
 | 
					`include "wally-config.vh"
 | 
				
			||||||
 | 
					module testbench();
 | 
				
			||||||
 | 
					  logic        clk;
 | 
				
			||||||
 | 
					  logic        reset;
 | 
				
			||||||
 | 
					  int test, i, errors, totalerrors;
 | 
				
			||||||
 | 
					  logic [31:0] sig32[0:10000];
 | 
				
			||||||
 | 
					  logic [`XLEN-1:0] signature[0:10000];
 | 
				
			||||||
 | 
					  logic [`XLEN-1:0] testadr;
 | 
				
			||||||
 | 
					  string InstrFName, InstrDName, InstrEName, InstrMName, InstrWName;
 | 
				
			||||||
 | 
					  logic [`XLEN-1:0] meminit;
 | 
				
			||||||
 | 
					  string tests[];
 | 
				
			||||||
 | 
					  logic [`AHBW-1:0] HRDATAEXT;
 | 
				
			||||||
 | 
					  logic             HREADYEXT, HRESPEXT;
 | 
				
			||||||
 | 
					  logic [31:0]      HADDR;
 | 
				
			||||||
 | 
					  logic [`AHBW-1:0] HWDATA;
 | 
				
			||||||
 | 
					  logic             HWRITE;
 | 
				
			||||||
 | 
					  logic [2:0]       HSIZE;
 | 
				
			||||||
 | 
					  logic [2:0]       HBURST;
 | 
				
			||||||
 | 
					  logic [3:0]       HPROT;
 | 
				
			||||||
 | 
					  logic [1:0]       HTRANS;
 | 
				
			||||||
 | 
					  logic             HMASTLOCK;
 | 
				
			||||||
 | 
					  logic             HCLK, HRESETn;
 | 
				
			||||||
 | 
					  
 | 
				
			||||||
 | 
					  // pick tests based on modes supported
 | 
				
			||||||
 | 
					  initial 
 | 
				
			||||||
 | 
					  tests = {"../../imperas-riscv-tests/riscv-ovpsim-plus/examples/CoreMark/coremark.RV64I.bare.elf.memfile", "1000"};
 | 
				
			||||||
 | 
					  string signame, memfilename;
 | 
				
			||||||
 | 
					  logic [31:0] GPIOPinsIn, GPIOPinsOut, GPIOPinsEn;
 | 
				
			||||||
 | 
					  logic UARTSin, UARTSout;
 | 
				
			||||||
 | 
					  // instantiate device to be tested
 | 
				
			||||||
 | 
					  assign GPIOPinsIn = 0;
 | 
				
			||||||
 | 
					  assign UARTSin = 1;
 | 
				
			||||||
 | 
					  assign HREADYEXT = 1;
 | 
				
			||||||
 | 
					  assign HRESPEXT = 0;
 | 
				
			||||||
 | 
					  assign HRDATAEXT = 0;
 | 
				
			||||||
 | 
					  wallypipelinedsoc dut(.*); 
 | 
				
			||||||
 | 
					  // Track names of instructions
 | 
				
			||||||
 | 
					  instrTrackerTB it(clk, reset, dut.hart.ieu.dp.FlushE,
 | 
				
			||||||
 | 
					                dut.hart.ifu.InstrF,
 | 
				
			||||||
 | 
					                dut.hart.ifu.InstrD, dut.hart.ifu.InstrE,
 | 
				
			||||||
 | 
					                dut.hart.ifu.InstrM, dut.hart.ifu.InstrW,
 | 
				
			||||||
 | 
					                InstrFName, InstrDName, InstrEName, InstrMName, InstrWName);
 | 
				
			||||||
 | 
					  // initialize tests
 | 
				
			||||||
 | 
					  integer j;
 | 
				
			||||||
 | 
					  initial
 | 
				
			||||||
 | 
					    begin
 | 
				
			||||||
 | 
					      totalerrors = 0;
 | 
				
			||||||
 | 
					      // read test vectors into memory
 | 
				
			||||||
 | 
					      memfilename = tests[0];
 | 
				
			||||||
 | 
					      $readmemh(memfilename, dut.imem.RAM);
 | 
				
			||||||
 | 
					      $readmemh(memfilename, dut.uncore.dtim.RAM);
 | 
				
			||||||
 | 
					      for(j=2371; j < 65535; j = j+1)
 | 
				
			||||||
 | 
					        dut.uncore.dtim.RAM[j] = 64'b0;
 | 
				
			||||||
 | 
					      reset = 1; # 22; reset = 0;
 | 
				
			||||||
 | 
					    end
 | 
				
			||||||
 | 
					  // generate clock to sequence tests
 | 
				
			||||||
 | 
					  always
 | 
				
			||||||
 | 
					    begin
 | 
				
			||||||
 | 
					      clk = 1; # 5; clk = 0; # 5;
 | 
				
			||||||
 | 
					    end
 | 
				
			||||||
 | 
					   
 | 
				
			||||||
 | 
					endmodule
 | 
				
			||||||
 | 
					/* verilator lint_on STMTDLY */
 | 
				
			||||||
 | 
					/* verilator lint_on WIDTH */
 | 
				
			||||||
 | 
					module instrTrackerTB(
 | 
				
			||||||
 | 
					  input  logic            clk, reset, FlushE,
 | 
				
			||||||
 | 
					  input  logic [31:0]     InstrF, InstrD,
 | 
				
			||||||
 | 
					  input  logic [31:0]     InstrE, InstrM,
 | 
				
			||||||
 | 
					  input  logic [31:0]     InstrW,
 | 
				
			||||||
 | 
					  output string           InstrFName, InstrDName, InstrEName, InstrMName, InstrWName);
 | 
				
			||||||
 | 
					        
 | 
				
			||||||
 | 
					  // stage Instr to Writeback for visualization
 | 
				
			||||||
 | 
					  instrNameDecTB fdec(InstrF, InstrFName);
 | 
				
			||||||
 | 
					  instrNameDecTB ddec(InstrD, InstrDName);
 | 
				
			||||||
 | 
					  instrNameDecTB edec(InstrE, InstrEName);
 | 
				
			||||||
 | 
					  instrNameDecTB mdec(InstrM, InstrMName);
 | 
				
			||||||
 | 
					  instrNameDecTB wdec(InstrW, InstrWName);
 | 
				
			||||||
 | 
					endmodule
 | 
				
			||||||
 | 
					// decode the instruction name, to help the test bench
 | 
				
			||||||
 | 
					module instrNameDecTB(
 | 
				
			||||||
 | 
					  input  logic [31:0] instr,
 | 
				
			||||||
 | 
					  output string       name);
 | 
				
			||||||
 | 
					  logic [6:0] op;
 | 
				
			||||||
 | 
					  logic [2:0] funct3;
 | 
				
			||||||
 | 
					  logic [6:0] funct7;
 | 
				
			||||||
 | 
					  logic [11:0] imm;
 | 
				
			||||||
 | 
					  assign op = instr[6:0];
 | 
				
			||||||
 | 
					  assign funct3 = instr[14:12];
 | 
				
			||||||
 | 
					  assign funct7 = instr[31:25];
 | 
				
			||||||
 | 
					  assign imm = instr[31:20];
 | 
				
			||||||
 | 
					  // it would be nice to add the operands to the name 
 | 
				
			||||||
 | 
					  // create another variable called decoded
 | 
				
			||||||
 | 
					  always_comb 
 | 
				
			||||||
 | 
					    casez({op, funct3})
 | 
				
			||||||
 | 
					      10'b0000000_000: name = "BAD";
 | 
				
			||||||
 | 
					      10'b0000011_000: name = "LB";
 | 
				
			||||||
 | 
					      10'b0000011_001: name = "LH";
 | 
				
			||||||
 | 
					      10'b0000011_010: name = "LW";
 | 
				
			||||||
 | 
					      10'b0000011_011: name = "LD";
 | 
				
			||||||
 | 
					      10'b0000011_100: name = "LBU";
 | 
				
			||||||
 | 
					      10'b0000011_101: name = "LHU";
 | 
				
			||||||
 | 
					      10'b0000011_110: name = "LWU";
 | 
				
			||||||
 | 
					      10'b0010011_000: if (instr[31:15] == 0 && instr[11:7] ==0) name = "NOP/FLUSH";
 | 
				
			||||||
 | 
					                       else                                      name = "ADDI";
 | 
				
			||||||
 | 
					      10'b0010011_001: if (funct7[6:1] == 6'b000000) name = "SLLI";
 | 
				
			||||||
 | 
					                       else                      name = "ILLEGAL";
 | 
				
			||||||
 | 
					      10'b0010011_010: name = "SLTI";
 | 
				
			||||||
 | 
					      10'b0010011_011: name = "SLTIU";
 | 
				
			||||||
 | 
					      10'b0010011_100: name = "XORI";
 | 
				
			||||||
 | 
					      10'b0010011_101: if (funct7[6:1] == 6'b000000)      name = "SRLI";
 | 
				
			||||||
 | 
					                       else if (funct7[6:1] == 6'b010000) name = "SRAI"; 
 | 
				
			||||||
 | 
					                       else                           name = "ILLEGAL"; 
 | 
				
			||||||
 | 
					      10'b0010011_110: name = "ORI";
 | 
				
			||||||
 | 
					      10'b0010011_111: name = "ANDI";
 | 
				
			||||||
 | 
					      10'b0010111_???: name = "AUIPC";
 | 
				
			||||||
 | 
					      10'b0100011_000: name = "SB";
 | 
				
			||||||
 | 
					      10'b0100011_001: name = "SH";
 | 
				
			||||||
 | 
					      10'b0100011_010: name = "SW";
 | 
				
			||||||
 | 
					      10'b0100011_011: name = "SD";
 | 
				
			||||||
 | 
					      10'b0011011_000: name = "ADDIW";
 | 
				
			||||||
 | 
					      10'b0011011_001: name = "SLLIW";
 | 
				
			||||||
 | 
					      10'b0011011_101: if      (funct7 == 7'b0000000) name = "SRLIW";
 | 
				
			||||||
 | 
					                       else if (funct7 == 7'b0100000) name = "SRAIW";
 | 
				
			||||||
 | 
					                       else                           name = "ILLEGAL";
 | 
				
			||||||
 | 
					      10'b0111011_000: if      (funct7 == 7'b0000000) name = "ADDW";
 | 
				
			||||||
 | 
					                       else if (funct7 == 7'b0100000) name = "SUBW";
 | 
				
			||||||
 | 
					                       else if (funct7 == 7'b0000001) name = "MULW";
 | 
				
			||||||
 | 
					                       else                           name = "ILLEGAL";
 | 
				
			||||||
 | 
					      10'b0111011_001: if      (funct7 == 7'b0000000) name = "SLLW";
 | 
				
			||||||
 | 
					                       else if (funct7 == 7'b0000001) name = "DIVW";
 | 
				
			||||||
 | 
					                       else                           name = "ILLEGAL";
 | 
				
			||||||
 | 
					      10'b0111011_101: if      (funct7 == 7'b0000000) name = "SRLW";
 | 
				
			||||||
 | 
					                       else if (funct7 == 7'b0100000) name = "SRAW";
 | 
				
			||||||
 | 
					                       else if (funct7 == 7'b0000001) name = "DIVUW";
 | 
				
			||||||
 | 
					                       else                           name = "ILLEGAL";
 | 
				
			||||||
 | 
					      10'b0111011_110: if      (funct7 == 7'b0000001) name = "REMW";
 | 
				
			||||||
 | 
					                       else                           name = "ILLEGAL";
 | 
				
			||||||
 | 
					      10'b0111011_111: if      (funct7 == 7'b0000001) name = "REMUW";
 | 
				
			||||||
 | 
					                       else                           name = "ILLEGAL";
 | 
				
			||||||
 | 
					      10'b0110011_000: if      (funct7 == 7'b0000000) name = "ADD";
 | 
				
			||||||
 | 
					                       else if (funct7 == 7'b0000001) name = "MUL";
 | 
				
			||||||
 | 
					                       else if (funct7 == 7'b0100000) name = "SUB"; 
 | 
				
			||||||
 | 
					                       else                           name = "ILLEGAL"; 
 | 
				
			||||||
 | 
					      10'b0110011_001: if      (funct7 == 7'b0000000) name = "SLL";
 | 
				
			||||||
 | 
					                       else if (funct7 == 7'b0000001) name = "MULH";
 | 
				
			||||||
 | 
					                       else                           name = "ILLEGAL";
 | 
				
			||||||
 | 
					      10'b0110011_010: if      (funct7 == 7'b0000000) name = "SLT";
 | 
				
			||||||
 | 
					                       else if (funct7 == 7'b0000001) name = "MULHSU";
 | 
				
			||||||
 | 
					                       else                           name = "ILLEGAL";
 | 
				
			||||||
 | 
					      10'b0110011_011: if      (funct7 == 7'b0000000) name = "SLTU";
 | 
				
			||||||
 | 
					                       else if (funct7 == 7'b0000001) name = "MULHU";
 | 
				
			||||||
 | 
					                       else                           name = "ILLEGAL";
 | 
				
			||||||
 | 
					      10'b0110011_100: if      (funct7 == 7'b0000000) name = "XOR";
 | 
				
			||||||
 | 
					                       else if (funct7 == 7'b0000001) name = "DIV";
 | 
				
			||||||
 | 
					                       else                           name = "ILLEGAL";
 | 
				
			||||||
 | 
					      10'b0110011_101: if      (funct7 == 7'b0000000) name = "SRL";
 | 
				
			||||||
 | 
					                       else if (funct7 == 7'b0000001) name = "DIVU";
 | 
				
			||||||
 | 
					                       else if (funct7 == 7'b0100000) name = "SRA";
 | 
				
			||||||
 | 
					                       else                           name = "ILLEGAL";
 | 
				
			||||||
 | 
					      10'b0110011_110: if      (funct7 == 7'b0000000) name = "OR";
 | 
				
			||||||
 | 
					                       else if (funct7 == 7'b0000001) name = "REM";
 | 
				
			||||||
 | 
					                       else                           name = "ILLEGAL";
 | 
				
			||||||
 | 
					      10'b0110011_111: if      (funct7 == 7'b0000000) name = "AND";
 | 
				
			||||||
 | 
					                       else if (funct7 == 7'b0000001) name = "REMU";
 | 
				
			||||||
 | 
					                       else                           name = "ILLEGAL";
 | 
				
			||||||
 | 
					      10'b0110111_???: name = "LUI";
 | 
				
			||||||
 | 
					      10'b1100011_000: name = "BEQ";
 | 
				
			||||||
 | 
					      10'b1100011_001: name = "BNE";
 | 
				
			||||||
 | 
					      10'b1100011_100: name = "BLT";
 | 
				
			||||||
 | 
					      10'b1100011_101: name = "BGE";
 | 
				
			||||||
 | 
					      10'b1100011_110: name = "BLTU";
 | 
				
			||||||
 | 
					      10'b1100011_111: name = "BGEU";
 | 
				
			||||||
 | 
					      10'b1100111_000: name = "JALR";
 | 
				
			||||||
 | 
					      10'b1101111_???: name = "JAL";
 | 
				
			||||||
 | 
					      10'b1110011_000: if      (imm == 0) name = "ECALL";
 | 
				
			||||||
 | 
					                       else if (imm == 1) name = "EBREAK";
 | 
				
			||||||
 | 
					                       else if (imm == 2) name = "URET";
 | 
				
			||||||
 | 
					                       else if (imm == 258) name = "SRET";
 | 
				
			||||||
 | 
					                       else if (imm == 770) name = "MRET";
 | 
				
			||||||
 | 
					                       else              name = "ILLEGAL";
 | 
				
			||||||
 | 
					      10'b1110011_001: name = "CSRRW";
 | 
				
			||||||
 | 
					      10'b1110011_010: name = "CSRRS";
 | 
				
			||||||
 | 
					      10'b1110011_011: name = "CSRRC";
 | 
				
			||||||
 | 
					      10'b1110011_101: name = "CSRRWI";
 | 
				
			||||||
 | 
					      10'b1110011_110: name = "CSRRSI";
 | 
				
			||||||
 | 
					      10'b1110011_111: name = "CSRRCI";
 | 
				
			||||||
 | 
					      10'b0001111_???: name = "FENCE";
 | 
				
			||||||
 | 
					      default:         name = "ILLEGAL";
 | 
				
			||||||
 | 
					    endcase
 | 
				
			||||||
 | 
					endmodule
 | 
				
			||||||
		Loading…
	
		Reference in New Issue
	
	Block a user