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			906 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			Systemverilog
		
	
	
	
	
	
			
		
		
	
	
			906 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			Systemverilog
		
	
	
	
	
	
| ///////////////////////////////////////////
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| // testbench-imperas.sv
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| //
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| // Written: David_Harris@hmc.edu 9 January 2021
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| // Modified: 
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| //
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| // Purpose: Wally Testbench and helper modules
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| //          Applies test programs from the Imperas suite
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| // 
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| // A component of the Wally configurable RISC-V project.
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| // 
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| // Copyright (C) 2021 Harvey Mudd College & Oklahoma State University
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| //
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| // MIT LICENSE
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| // Permission is hereby granted, free of charge, to any person obtaining a copy of this 
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| // software and associated documentation files (the "Software"), to deal in the Software 
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| // without restriction, including without limitation the rights to use, copy, modify, merge, 
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| // publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons 
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| // to whom the Software is furnished to do so, subject to the following conditions:
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| //
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| //   The above copyright notice and this permission notice shall be included in all copies or 
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| //   substantial portions of the Software.
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| //
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| //   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
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| //   INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 
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| //   PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 
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| //   BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
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| //   TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE 
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| //   OR OTHER DEALINGS IN THE SOFTWARE.
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| ////////////////////////////////////////////////////////////////////////////////////////////////
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| 
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| `include "wally-config.vh"
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| 
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| module testbench();
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|   parameter DEBUG = 0;
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|   parameter TESTSPERIPH = 0; // set to 0 for regression
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|   parameter TESTSPRIV = 0; // set to 0 for regression
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|   
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|   logic        clk;
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|   logic        reset;
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| 
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|   parameter SIGNATURESIZE = 5000000;
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| 
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|   int test, i, errors, totalerrors;
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|   logic [31:0] sig32[0:SIGNATURESIZE];
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|   logic [`XLEN-1:0] signature[0:SIGNATURESIZE];
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|   logic [`XLEN-1:0] testadr;
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|   string InstrFName, InstrDName, InstrEName, InstrMName, InstrWName;
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|   logic [31:0] InstrW;
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|   logic [`XLEN-1:0] meminit;
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| 
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|   string tests32mmu[] = '{
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|     "rv32mmu/WALLY-MMU-SV32", "3000"
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|     //"rv32mmu/WALLY-PMA", "3000",
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|     //"rv32mmu/WALLY-PMA", "3000"
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|     };
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| 
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|   string tests64mmu[] = '{
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|     "rv64mmu/WALLY-MMU-SV48", "3000",
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|     "rv64mmu/WALLY-MMU-SV39", "3000"
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|     //"rv64mmu/WALLY-PMA", "3000",
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|     //"rv64mmu/WALLY-PMA", "3000"
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|   };
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| 
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|   
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| string tests32f[] = '{
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|     "rv32f/I-FADD-S-01", "2000",
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|     "rv32f/I-FCLASS-S-01", "2000",
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|     "rv32f/I-FCVT-S-W-01", "2000",
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|     "rv32f/I-FCVT-S-WU-01", "2000",
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|     "rv32f/I-FCVT-W-S-01", "2000",
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|     "rv32f/I-FCVT-WU-S-01", "2000",
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|     "rv32f/I-FDIV-S-01", "2000",
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|     "rv32f/I-FEQ-S-01", "2000",
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|     "rv32f/I-FLE-S-01", "2000",
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|     "rv32f/I-FLT-S-01", "2000",
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|     "rv32f/I-FMADD-S-01", "2000",
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|     "rv32f/I-FMAX-S-01", "2000",
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|     "rv32f/I-FMIN-S-01", "2000",
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|     "rv32f/I-FMSUB-S-01", "2000",
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|     "rv32f/I-FMUL-S-01", "2000",
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|     "rv32f/I-FMV-W-X-01", "2000",
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|     "rv32f/I-FMV-X-W-01", "2000",
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|     "rv32f/I-FNMADD-S-01", "2000",
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|     "rv32f/I-FNMSUB-S-01", "2000",
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|     "rv32f/I-FSGNJ-S-01", "2000",
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|     "rv32f/I-FSGNJN-S-01", "2000",
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|     "rv32f/I-FSGNJX-S-01", "2000",
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|     "rv32f/I-FSQRT-S-01", "2000",
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|     "rv32f/I-FSW-01", "2000",
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|     "rv32f/I-FLW-01", "2110",
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|     "rv32f/I-FSUB-S-01", "2000"
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|   };
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| 
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|   string tests64f[] = '{
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|     "rv64f/I-FLW-01", "2110",
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|     "rv64f/I-FMV-W-X-01", "2000",
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|     "rv64f/I-FMV-X-W-01", "2000",
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|     "rv64f/I-FSW-01", "2000",
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|     "rv64f/I-FCLASS-S-01", "2000",
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|     "rv64f/I-FADD-S-01", "2000",
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| //    "rv64f/I-FCVT-S-L-01", "2000",
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| //    "rv64f/I-FCVT-S-LU-01", "2000",
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| //    "rv64f/I-FCVT-S-W-01", "2000",
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| //    "rv64f/I-FCVT-S-WU-01", "2000",
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|     "rv64f/I-FCVT-L-S-01", "2000",
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|     "rv64f/I-FCVT-LU-S-01", "2000",
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|     "rv64f/I-FCVT-W-S-01", "2000",
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|     "rv64f/I-FCVT-WU-S-01", "2000",
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|     "rv64f/I-FDIV-S-01", "2000",
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|     "rv64f/I-FEQ-S-01", "2000",
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|     "rv64f/I-FLE-S-01", "2000",
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|     "rv64f/I-FLT-S-01", "2000",
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|     "rv64f/I-FMADD-S-01", "2000",
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|     "rv64f/I-FMAX-S-01", "2000",
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|     "rv64f/I-FMIN-S-01", "2000",
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|     "rv64f/I-FMSUB-S-01", "2000",
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|     "rv64f/I-FMUL-S-01", "2000",
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|     "rv64f/I-FNMADD-S-01", "2000",
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|     "rv64f/I-FNMSUB-S-01", "2000",
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|     "rv64f/I-FSGNJ-S-01", "2000",
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|     "rv64f/I-FSGNJN-S-01", "2000",
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|     "rv64f/I-FSGNJX-S-01", "2000",
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|     "rv64f/I-FSQRT-S-01", "2000",
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|     "rv64f/I-FSUB-S-01", "2000"
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|   };
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| 
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|   string tests64d[] = '{
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|     "rv64d/I-FSD-01", "2000",
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|     "rv64d/I-FLD-01", "2420",
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|     "rv64d/I-FMV-X-D-01", "2000",
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|     "rv64d/I-FMV-D-X-01", "2000",
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|     "rv64d/I-FDIV-D-01", "2000",
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|     "rv64d/I-FNMADD-D-01", "2000",
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|     "rv64d/I-FNMSUB-D-01", "2000",
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|     "rv64d/I-FMSUB-D-01", "2000",
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|     "rv64d/I-FMAX-D-01", "2000",
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|     "rv64d/I-FMIN-D-01", "2000",
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|     "rv64d/I-FLE-D-01", "2000",
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|     "rv64d/I-FLT-D-01", "2000",
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|     "rv64d/I-FEQ-D-01", "2000",
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|     "rv64d/I-FADD-D-01", "2000",
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|     "rv64d/I-FCLASS-D-01", "2000",
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|     "rv64d/I-FMADD-D-01", "2000",
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|     "rv64d/I-FMUL-D-01", "2000",
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|     "rv64d/I-FSGNJ-D-01", "2000",
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|     "rv64d/I-FSGNJN-D-01", "2000",
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|     "rv64d/I-FSGNJX-D-01", "2000",
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|     "rv64d/I-FSQRT-D-01", "2000",
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|     "rv64d/I-FSUB-D-01", "2000",
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| //    "rv64d/I-FCVT-D-L-01", "2000",
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| //    "rv64d/I-FCVT-D-LU-01", "2000",
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|     "rv64d/I-FCVT-D-S-01", "2000", 
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| //    "rv64d/I-FCVT-D-W-01", "2000",
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| //    "rv64d/I-FCVT-D-WU-01", "2000",
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|     "rv64d/I-FCVT-L-D-01", "2000",
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|     "rv64d/I-FCVT-LU-D-01", "2000",
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|     "rv64d/I-FCVT-S-D-01", "2000", 
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|     "rv64d/I-FCVT-W-D-01", "2000",
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|     "rv64d/I-FCVT-WU-D-01", "2000"
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| };
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| 
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|   string tests64a[] = '{
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|     "rv64a/WALLY-AMO", "2110",
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|     "rv64a/WALLY-LRSC", "2110"
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|   };
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| 
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|   string tests64m[] = '{
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|     "rv64m/I-MUL-01", "3000",
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|     "rv64m/I-MULH-01", "3000",
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|     "rv64m/I-MULHSU-01", "3000",
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|     "rv64m/I-MULHU-01", "3000",
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|     "rv64m/I-MULW-01", "3000",
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|     "rv64m/I-DIV-01", "3000",
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|     "rv64m/I-DIVU-01", "3000",
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|     "rv64m/I-DIVUW-01", "3000",
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|     "rv64m/I-DIVW-01", "3000",
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|     "rv64m/I-REM-01", "3000",
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|     "rv64m/I-REMU-01", "3000",
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|     "rv64m/I-REMUW-01", "3000",
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|     "rv64m/I-REMW-01", "3000"
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|   };
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| 
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|   string tests64ic[] = '{
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|     "rv64ic/I-C-ADD-01", "3000",
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|     "rv64ic/I-C-ADDI-01", "3000",
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|     "rv64ic/I-C-ADDIW-01", "3000",
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|     "rv64ic/I-C-ADDW-01", "3000",
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|     "rv64ic/I-C-AND-01", "3000",
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|     "rv64ic/I-C-ANDI-01", "3000",
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|     "rv64ic/I-C-BEQZ-01", "3000",
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|     "rv64ic/I-C-BNEZ-01", "3000",
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|     "rv64ic/I-C-EBREAK-01", "2000",
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|     "rv64ic/I-C-J-01", "3000",
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|     "rv64ic/I-C-JALR-01", "4000",
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|     "rv64ic/I-C-JR-01", "4000",
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|     "rv64ic/I-C-LD-01", "3420",
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|     "rv64ic/I-C-LDSP-01", "3420",
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|     "rv64ic/I-C-LI-01", "3000",
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|     "rv64ic/I-C-LUI-01", "2000",
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|     "rv64ic/I-C-LW-01", "3110",
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|     "rv64ic/I-C-LWSP-01", "3110",
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|     "rv64ic/I-C-MV-01", "3000",
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|     "rv64ic/I-C-NOP-01", "2000",
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|     "rv64ic/I-C-OR-01", "3000",
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|     "rv64ic/I-C-SD-01", "3000",
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|     "rv64ic/I-C-SDSP-01", "3000",
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|     "rv64ic/I-C-SLLI-01", "3000",
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|     "rv64ic/I-C-SRAI-01", "3000",
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|     "rv64ic/I-C-SRLI-01", "3000",
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|     "rv64ic/I-C-SUB-01", "3000",
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|     "rv64ic/I-C-SUBW-01", "3000",
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|     "rv64ic/I-C-SW-01", "3000",
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|     "rv64ic/I-C-SWSP-01", "3000",
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|     "rv64ic/I-C-XOR-01", "3000"
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|   };
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| 
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|   string tests64iNOc[] = {
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|     "rv64i/I-MISALIGN_JMP-01","2000"
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|   };
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| 
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|   string tests64i[] = '{
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|     //"rv64i/WALLY-PIPELINE-100K", "f7ff0",
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|     "rv64i/I-ADD-01", "3000",
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|     "rv64i/I-ADDI-01", "3000",
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|     "rv64i/I-ADDIW-01", "3000",
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|     "rv64i/I-ADDW-01", "3000",
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|     "rv64i/I-AND-01", "3000",
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|     "rv64i/I-ANDI-01", "3000",
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|     "rv64i/I-AUIPC-01", "3000",
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|     "rv64i/I-BEQ-01", "4000",
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|     "rv64i/I-BGE-01", "4000",
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|     "rv64i/I-BGEU-01", "4000",
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|     "rv64i/I-BLT-01", "4000",
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|     "rv64i/I-BLTU-01", "4000",
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|     "rv64i/I-BNE-01", "4000",
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|     "rv64i/I-DELAY_SLOTS-01", "2000",
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|     "rv64i/I-EBREAK-01", "2000",
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|     "rv64i/I-ECALL-01", "2000",
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|     "rv64i/I-ENDIANESS-01", "2010",
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|     "rv64i/I-IO-01", "2050",
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|     "rv64i/I-JAL-01", "3000",
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|     "rv64i/I-JALR-01", "4000",
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|     "rv64i/I-LB-01", "4020",
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|     "rv64i/I-LBU-01", "4020",
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|     "rv64i/I-LD-01", "4420",
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|     "rv64i/I-LH-01", "4050",
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|     "rv64i/I-LHU-01", "4050",
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|     "rv64i/I-LUI-01", "2000",
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|     "rv64i/I-LW-01", "4110",
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|     "rv64i/I-LWU-01", "4110", 
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|     "rv64i/I-MISALIGN_LDST-01", "2010",
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|     "rv64i/I-NOP-01", "2000",
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|     "rv64i/I-OR-01", "3000",
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|     "rv64i/I-ORI-01", "3000",
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|     "rv64i/I-RF_size-01", "2000",
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|     "rv64i/I-RF_width-01", "2000",
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|     "rv64i/I-RF_x0-01", "2010",
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|     "rv64i/I-SB-01", "4000",
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|     "rv64i/I-SD-01", "4000",
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|     "rv64i/I-SH-01", "4000",
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|     "rv64i/I-SLL-01", "3000",
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|     "rv64i/I-SLLI-01", "3000",
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|     "rv64i/I-SLLIW-01", "3000",
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|     "rv64i/I-SLLW-01", "3000",
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|     "rv64i/I-SLT-01", "3000",
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|     "rv64i/I-SLTI-01", "3000",
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|     "rv64i/I-SLTIU-01", "3000",
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|     "rv64i/I-SLTU-01", "3000",
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|     "rv64i/I-SRA-01", "3000",
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|     "rv64i/I-SRAI-01", "3000",
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|     "rv64i/I-SRAIW-01", "3000",
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|     "rv64i/I-SRAW-01", "3000",
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|     "rv64i/I-SRL-01", "3000",
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|     "rv64i/I-SRLI-01", "3000",
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|     "rv64i/I-SRLIW-01", "3000",
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|     "rv64i/I-SRLW-01", "3000",
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|     "rv64i/I-SUB-01", "3000",
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|     "rv64i/I-SUBW-01", "3000",
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|     "rv64i/I-SW-01", "4000",
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|     "rv64i/I-XOR-01", "3000",
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|     "rv64i/I-XORI-01", "3000",
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|     "rv64i/WALLY-ADD", "4000",
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|     "rv64i/WALLY-SUB", "4000",
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|     "rv64i/WALLY-ADDI", "3000",
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|     "rv64i/WALLY-ANDI", "3000",
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|     "rv64i/WALLY-ORI", "3000",
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|     "rv64i/WALLY-XORI", "3000",
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|     "rv64i/WALLY-SLTI", "3000",
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|     "rv64i/WALLY-SLTIU", "3000",
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|     "rv64i/WALLY-SLLI", "3000",
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|     "rv64i/WALLY-SRLI", "3000",
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|     "rv64i/WALLY-SRAI", "3000",
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|     "rv64i/WALLY-JAL", "4000",
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|     "rv64i/WALLY-JALR", "3000",
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|     "rv64i/WALLY-STORE", "3000",
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|     "rv64i/WALLY-ADDIW", "3000",
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|     "rv64i/WALLY-SLLIW", "3000",
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|     "rv64i/WALLY-SRLIW", "3000",
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|     "rv64i/WALLY-SRAIW", "3000",
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|     "rv64i/WALLY-ADDW", "4000",
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|     "rv64i/WALLY-SUBW", "4000",
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|     "rv64i/WALLY-SLLW", "3000",
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|     "rv64i/WALLY-SRLW", "3000",
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|     "rv64i/WALLY-SRAW", "3000",
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|     "rv64i/WALLY-BEQ" ,"5000",
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|     "rv64i/WALLY-BNE", "5000 ",
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|     "rv64i/WALLY-BLTU", "5000 ",
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|     "rv64i/WALLY-BLT", "5000",
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|     "rv64i/WALLY-BGE", "5000 ",
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|     "rv64i/WALLY-BGEU", "5000 ",
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|     "rv64i/WALLY-CSRRW", "4000",
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|     "rv64i/WALLY-CSRRS", "4000",
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|     "rv64i/WALLY-CSRRC", "5000",
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|     "rv64i/WALLY-CSRRWI", "4000",
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|     "rv64i/WALLY-CSRRSI", "4000",
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|     "rv64i/WALLY-CSRRCI", "4000"
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|   };
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| 
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|   string tests32a[] = '{
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|     "rv32a/WALLY-AMO", "2110",
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|     "rv32a/WALLY-LRSC", "2110"
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|   };
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| 
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|   string tests32m[] = '{
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|     "rv32m/I-MUL-01", "2000",
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|     "rv32m/I-MULH-01", "2000",
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|     "rv32m/I-MULHSU-01", "2000",
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|     "rv32m/I-MULHU-01", "2000",
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|     "rv32m/I-DIV-01", "2000",
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|     "rv32m/I-DIVU-01", "2000",
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|     "rv32m/I-REM-01", "2000",
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|     "rv32m/I-REMU-01", "2000"
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|   };
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| 
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|   string tests32ic[] = '{
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|     "rv32ic/I-C-ADD-01", "2000",
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|     "rv32ic/I-C-ADDI-01", "2000",
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|     "rv32ic/I-C-AND-01", "2000",
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|     "rv32ic/I-C-ANDI-01", "2000",
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|     "rv32ic/I-C-BEQZ-01", "2000",
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|     "rv32ic/I-C-BNEZ-01", "2000",
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|     "rv32ic/I-C-EBREAK-01", "2000",
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|     "rv32ic/I-C-J-01", "2000",
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|     "rv32ic/I-C-JALR-01", "3000",
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|     "rv32ic/I-C-JR-01", "3000",
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|     "rv32ic/I-C-LI-01", "2000",
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|     "rv32ic/I-C-LUI-01", "2000",
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|     "rv32ic/I-C-LW-01", "2110",
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|     "rv32ic/I-C-LWSP-01", "2110",
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|     "rv32ic/I-C-MV-01", "2000",
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|     "rv32ic/I-C-NOP-01", "2000",
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|     "rv32ic/I-C-OR-01", "2000",
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|     "rv32ic/I-C-SLLI-01", "2000",
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|     "rv32ic/I-C-SRAI-01", "2000",
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|     "rv32ic/I-C-SRLI-01", "2000",
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|     "rv32ic/I-C-SUB-01", "2000",
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|     "rv32ic/I-C-SW-01", "2000",
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|     "rv32ic/I-C-SWSP-01", "2000",
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|     "rv32ic/I-C-XOR-01", "2000"
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|   };
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| 
 | |
|   string tests32iNOc[] = {
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|     "rv32i/I-MISALIGN_JMP-01","2000"
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|   };
 | |
| 
 | |
|   string tests32i[] = {
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|     //"rv32i/WALLY-PIPELINE-100K", "10a800",
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|     "rv32i/I-ADD-01", "2000",
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|     "rv32i/I-ADDI-01","2000",
 | |
|     "rv32i/I-AND-01","2000",
 | |
|     "rv32i/I-ANDI-01","2000",
 | |
|     "rv32i/I-AUIPC-01","2000",
 | |
|     "rv32i/I-BEQ-01","3000",
 | |
|     "rv32i/I-BGE-01","3000",
 | |
|     "rv32i/I-BGEU-01","3000",
 | |
|     "rv32i/I-BLT-01","3000",
 | |
|     "rv32i/I-BLTU-01","3000",
 | |
|     "rv32i/I-BNE-01","3000",
 | |
|     "rv32i/I-DELAY_SLOTS-01","2000",
 | |
|     "rv32i/I-EBREAK-01","2000",
 | |
|     "rv32i/I-ECALL-01","2000",
 | |
|     "rv32i/I-ENDIANESS-01","2010",
 | |
|     "rv32i/I-IO-01","2030rv",
 | |
|     "rv32i/I-JAL-01","3000",
 | |
|     "rv32i/I-JALR-01","3000",
 | |
|     "rv32i/I-LB-01","3020",
 | |
|     "rv32i/I-LBU-01","3020",
 | |
|     "rv32i/I-LH-01","3050",
 | |
|     "rv32i/I-LHU-01","3050",
 | |
|     "rv32i/I-LUI-01","2000",
 | |
|     "rv32i/I-LW-01","3110",
 | |
|     "rv32i/I-MISALIGN_LDST-01","2010",
 | |
|     "rv32i/I-NOP-01","2000",
 | |
|     "rv32i/I-OR-01","2000",
 | |
|     "rv32i/I-ORI-01","2000",
 | |
|     "rv32i/I-RF_size-01","2000",
 | |
|     "rv32i/I-RF_width-01","2000",
 | |
|     "rv32i/I-RF_x0-01","2010",
 | |
|     "rv32i/I-SB-01","3000",
 | |
|     "rv32i/I-SH-01","3000",
 | |
|     "rv32i/I-SLL-01","2000",
 | |
|     "rv32i/I-SLLI-01","2000",
 | |
|     "rv32i/I-SLT-01","2000",
 | |
|     "rv32i/I-SLTI-01","2000",
 | |
|     "rv32i/I-SLTIU-01","2000",
 | |
|     "rv32i/I-SLTU-01","2000",
 | |
|     "rv32i/I-SRA-01","2000",
 | |
|     "rv32i/I-SRAI-01","2000",
 | |
|     "rv32i/I-SRL-01","2000",
 | |
|     "rv32i/I-SRLI-01","2000",
 | |
|     "rv32i/I-SUB-01","2000",
 | |
|     "rv32i/I-SW-01","3000",
 | |
|     "rv32i/I-XOR-01","2000",
 | |
|     "rv32i/I-XORI-01","2000",
 | |
|     "rv32i/WALLY-ADD", "3000",
 | |
|     "rv32i/WALLY-SUB", "3000",
 | |
|     "rv32i/WALLY-ADDI", "2000",
 | |
|     "rv32i/WALLY-ANDI", "2000",
 | |
|     "rv32i/WALLY-ORI", "2000",
 | |
|     "rv32i/WALLY-XORI", "2000",
 | |
|     "rv32i/WALLY-SLTI", "2000",
 | |
|     "rv32i/WALLY-SLTIU", "2000",
 | |
|     "rv32i/WALLY-SLLI", "2000",
 | |
|     "rv32i/WALLY-SRLI", "2000",
 | |
|     "rv32i/WALLY-SRAI", "2000",
 | |
|     "rv32i/WALLY-LOAD", "11c00",
 | |
|     "rv32i/WALLY-SUB", "3000",
 | |
|     "rv32i/WALLY-STORE", "2000",
 | |
|     "rv32i/WALLY-JAL", "3000",
 | |
|     "rv32i/WALLY-JALR", "2000",
 | |
|     "rv32i/WALLY-BEQ" ,"4000",
 | |
|     "rv32i/WALLY-BNE", "4000 ",
 | |
|     "rv32i/WALLY-BLTU", "4000 ",
 | |
|     "rv32i/WALLY-BLT", "4000",
 | |
|     "rv32i/WALLY-BGE", "4000 ",
 | |
|     "rv32i/WALLY-BGEU", "4000 ",
 | |
|     "rv32i/WALLY-CSRRW", "3000",
 | |
|     "rv32i/WALLY-CSRRS", "3000",
 | |
|     "rv32i/WALLY-CSRRC", "4000",
 | |
|     "rv32i/WALLY-CSRRWI", "3000",
 | |
|     "rv32i/WALLY-CSRRSI", "3000",
 | |
|     "rv32i/WALLY-CSRRCI", "3000"
 | |
|   };
 | |
| 
 | |
|   string testsBP64[] = '{
 | |
|     "rv64BP/blink-led", "10000"
 | |
| /* -----\/----- EXCLUDED -----\/-----
 | |
|     "rv64BP/simple", "10000",
 | |
|     "rv64BP/mmm", "1000000",
 | |
|     "rv64BP/linpack_bench", "1000000",
 | |
|     "rv64BP/sieve", "1000000",
 | |
|     "rv64BP/qsort", "1000000",
 | |
|     "rv64BP/dhrystone", "1000000"
 | |
|  -----/\----- EXCLUDED -----/\----- */
 | |
|   };
 | |
| 
 | |
|   string tests64p[] = '{
 | |
|     "rv64p/WALLY-MSTATUS", "2000",
 | |
|     "rv64p/WALLY-MCAUSE", "3000",
 | |
|     "rv64p/WALLY-SCAUSE", "2000",
 | |
|     "rv64p/WALLY-MEPC", "5000",
 | |
|     "rv64p/WALLY-SEPC", "4000",
 | |
|     "rv64p/WALLY-MTVAL", "6000",
 | |
|     "rv64p/WALLY-STVAL", "4000",
 | |
|     "rv64p/WALLY-MTVEC", "2000",
 | |
|     "rv64p/WALLY-STVEC", "2000",
 | |
|     "rv64p/WALLY-MARCHID", "4000",
 | |
|     "rv64p/WALLY-MIMPID", "4000",
 | |
|     "rv64p/WALLY-MHARTID", "4000",
 | |
|     "rv64p/WALLY-MVENDORID", "4000",
 | |
|     "rv64p/WALLY-MIE", "3000",
 | |
|     "rv64p/WALLY-MEDELEG", "4000",
 | |
|     "rv64p/WALLY-IP", "2000",
 | |
|     "rv64p/WALLY-CSR-PERMISSIONS-M", "5000",
 | |
|     "rv64p/WALLY-CSR-PERMISSIONS-S", "3000"
 | |
|   };
 | |
| 
 | |
|   string tests32p[] = '{
 | |
|     "rv32p/WALLY-MSTATUS", "2000",
 | |
|     "rv32p/WALLY-MCAUSE", "3000",
 | |
|     "rv32p/WALLY-SCAUSE", "2000",
 | |
|     "rv32p/WALLY-MEPC", "5000",
 | |
|     "rv32p/WALLY-SEPC", "4000",
 | |
|     "rv32p/WALLY-MTVAL", "5000",
 | |
|     "rv32p/WALLY-STVAL", "4000",
 | |
|     "rv32p/WALLY-MARCHID", "4000",
 | |
|     "rv32p/WALLY-MIMPID", "4000",
 | |
|     "rv32p/WALLY-MHARTID", "4000",
 | |
|     "rv32p/WALLY-MVENDORID", "4000",
 | |
|     "rv32p/WALLY-MTVEC", "2000",
 | |
|     "rv32p/WALLY-STVEC", "2000",
 | |
|     "rv32p/WALLY-MIE", "3000",
 | |
|     "rv32p/WALLY-MEDELEG", "4000",
 | |
|     "rv32p/WALLY-IP", "3000",
 | |
|     "rv32p/WALLY-CSR-PERMISSIONS-M", "5000",
 | |
|     "rv32p/WALLY-CSR-PERMISSIONS-S", "3000"
 | |
|   };
 | |
| 
 | |
|   string tests64periph[] = '{
 | |
|     "rv64i-periph/WALLY-PERIPH", "2000"
 | |
|   };
 | |
| 
 | |
|   string tests32periph[] = '{
 | |
|     "rv32i-periph/WALLY-PLIC", "2080"
 | |
|   };
 | |
| 
 | |
|    string tests[];
 | |
|   string ProgramAddrMapFile, ProgramLabelMapFile;
 | |
|   logic [`AHBW-1:0] HRDATAEXT;
 | |
|   logic             HREADYEXT, HRESPEXT, HREADY;
 | |
|   logic 	    HSELEXT;
 | |
|   
 | |
|   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;
 | |
|   logic [`XLEN-1:0] PCW;
 | |
| 
 | |
|   logic 	    DCacheFlushDone, DCacheFlushStart;
 | |
|     
 | |
|   flopenr #(`XLEN) PCWReg(clk, reset, ~dut.wallypipelinedsoc.core.ieu.dp.StallW, dut.wallypipelinedsoc.core.ifu.PCM, PCW);
 | |
|   flopenr  #(32)   InstrWReg(clk, reset, ~dut.wallypipelinedsoc.core.ieu.dp.StallW,  dut.wallypipelinedsoc.core.ifu.InstrM, InstrW);
 | |
| 
 | |
|   // check assertions for a legal configuration
 | |
|   riscvassertions riscvassertions();
 | |
|   logging logging(clk, reset, dut.wallypipelinedsoc.uncore.HADDR, dut.wallypipelinedsoc.uncore.HTRANS);
 | |
| 
 | |
|   // pick tests based on modes supported
 | |
|   initial begin
 | |
|     if (`XLEN == 64) begin // RV64
 | |
|       if (`TESTSBP) begin
 | |
|         tests = testsBP64;
 | |
| 	// testsbp should not run the other tests. It starts at address 0 rather than
 | |
| 	// 0x8000_0000, the next if must remain an else if.	
 | |
|       end else if (TESTSPERIPH)
 | |
|         tests = tests64periph;
 | |
|       else if (TESTSPRIV)
 | |
|         tests = tests64p;
 | |
|       else begin
 | |
|         tests = {tests64p,tests64i, tests64periph};
 | |
|         if (`C_SUPPORTED) tests = {tests, tests64ic};
 | |
|         else              tests = {tests, tests64iNOc};
 | |
|         if (`M_SUPPORTED) tests = {tests, tests64m};
 | |
|         if (`F_SUPPORTED) tests = {tests64f, tests};
 | |
|         if (`D_SUPPORTED) tests = {tests64d, tests};
 | |
|         if (`VIRTMEM_SUPPORTED) tests = {tests64mmu, tests};
 | |
|         if (`A_SUPPORTED) tests = {tests64a, tests};
 | |
|       end
 | |
|       //tests = {tests64a, tests};
 | |
|     end else begin // RV32
 | |
|       // *** add the 32 bit bp tests
 | |
|       if (TESTSPERIPH)
 | |
|         tests = tests32periph;
 | |
|       else if (TESTSPRIV)
 | |
|         tests = tests32p;
 | |
|       else begin
 | |
|           tests = {tests32i, tests32p};//,tests32periph}; *** broken at the moment
 | |
|           if (`C_SUPPORTED % 2 == 1) tests = {tests, tests32ic};    
 | |
|           else                       tests = {tests, tests32iNOc};
 | |
|           if (`M_SUPPORTED % 2 == 1) tests = {tests, tests32m};
 | |
|           if (`F_SUPPORTED) tests = {tests32f, tests};
 | |
|           if (`VIRTMEM_SUPPORTED) tests = {tests32mmu, tests};
 | |
|           if (`A_SUPPORTED) tests = {tests32a, tests};
 | |
|      end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   string signame, memfilename, romfilename, sdcfilename;
 | |
| 
 | |
|   logic [3:0] GPIOPinsIn_IO;
 | |
|   logic [4:0] GPIOPinsOut_IO;
 | |
|   logic UARTSin, UARTSout;
 | |
|   logic ddr4_calib_complete;
 | |
|   
 | |
| 
 | |
|   logic SDCCLK;
 | |
|   tri1 SDCCmd;
 | |
|   tri1 [3:0] SDCDat;
 | |
|   logic      SDCCmdIn;
 | |
|   logic      SDCCmdOut;
 | |
|   logic      SDCCmdOE;
 | |
|   logic [3:0] SDCDatIn;
 | |
| 
 | |
|   assign SDCCmd = SDCCmdOE ? SDCCmdOut : 1'bz;
 | |
|   assign SDCCmdIn = SDCCmd;
 | |
|   assign SDCDatIn = SDCDat;
 | |
|     
 | |
|   sdModel sdcard
 | |
|     (.sdClk(SDCCLK),
 | |
|     .cmd(SDCCmd), 
 | |
|     .dat(SDCDat));
 | |
| 
 | |
|   // instantiate device to be tested
 | |
|   assign GPIOPinsIn = 0;
 | |
|   assign UARTSin = 1;
 | |
|  
 | |
|   ram #(.BASE(`RAM_BASE), .RANGE(`RAM_RANGE)) 
 | |
|   ram (.HCLK, .HRESETn, .HADDR, .HWRITE, .HTRANS, .HWDATA, .HSELTim(HSELEXT), 
 | |
|         .HREADTim(HRDATAEXT), .HREADYTim(HREADYEXT), .HRESPTim(HRESPEXT));
 | |
|  
 | |
| 
 | |
|   wallypipelinedsocwrapper dut(.clk, .reset_ext, .HRDATAEXT,.HREADYEXT, .HRESPEXT,.HSELEXT,
 | |
|                         .HCLK, .HRESETn, .HADDR, .HWDATA, .HWRITE, .HSIZE, .HBURST, .HPROT,
 | |
|                         .HTRANS, .HMASTLOCK, .HREADY, .TIMECLK(0), .GPIOPinsIn, .GPIOPinsOut, .GPIOPinsEn,
 | |
|                         .UARTSin, .UARTSout, .SDCCmdIn, .SDCCmdOut, .SDCCmdOE, .SDCDatIn, .SDCCLK); 
 | |
| 
 | |
|   // Track names of instructions
 | |
|   instrTrackerTB it(clk, reset, dut.wallypipelinedsoc.core.ieu.dp.FlushE,
 | |
|                 dut.wallypipelinedsoc.core.ifu.icache.FinalInstrRawF,
 | |
|                 dut.wallypipelinedsoc.core.ifu.InstrD, dut.wallypipelinedsoc.core.ifu.InstrE,
 | |
|                 dut.wallypipelinedsoc.core.ifu.InstrM,  InstrW,
 | |
|                 InstrFName, InstrDName, InstrEName, InstrMName, InstrWName);
 | |
| 
 | |
|   // initialize tests
 | |
|   localparam integer 	   MemStartAddr = `RAM_BASE>>(1+`XLEN/32);
 | |
|   localparam integer 	   MemEndAddr = (`RAM_RANGE+`RAM_BASE)>>1+(`XLEN/32);
 | |
| 
 | |
|   initial
 | |
|     begin
 | |
|       test = 0;
 | |
|       totalerrors = 0;
 | |
|       testadr = 0;
 | |
|       // fill memory with defined values to reduce Xs in simulation
 | |
|       // Quick note the memory will need to be initialized.  The C library does not
 | |
|       //  guarantee the  initialized reads.  For example a strcmp can read 6 byte
 | |
|       //  strings, but uses a load double to read them in.  If the last 2 bytes are
 | |
|       //  not initialized the compare results in an 'x' which propagates through 
 | |
|       // the design.
 | |
|       if (`XLEN == 32) meminit = 32'hFEDC0123;
 | |
|       else meminit = 64'hFEDCBA9876543210;
 | |
|       // *** broken because DTIM also drives RAM
 | |
| /* -----\/----- EXCLUDED -----\/-----
 | |
|       if (`TESTSBP) begin
 | |
| 	for (i=MemStartAddr; i<MemEndAddr; i = i+1) begin
 | |
| 	  ram.RAM[i] = meminit;
 | |
| 	end
 | |
|       end
 | |
|  -----/\----- EXCLUDED -----/\----- */
 | |
|       // read test vectors into memory
 | |
|       memfilename = {"../../imperas-riscv-tests/work/", tests[test], ".elf.memfile"};
 | |
|       //romfilename = {"../../testsBP/fpga-test-sdc/bin/fpga-test-sdc.hex"};
 | |
|       romfilename = {"../../tests/testsBP/fpga-test-sdc/bin/fpga-test-sdc.memfile"};
 | |
|       sdcfilename = {"../src/sdc/tb/ramdisk2.hex"};      
 | |
|       $readmemh(memfilename, ram.RAM);
 | |
|       $readmemh(romfilename, dut.wallypipelinedsoc.uncore.bootram.bootram.RAM);
 | |
|       $readmemh(sdcfilename, sdcard.FLASHmem);
 | |
|       ProgramAddrMapFile = {"../../imperas-riscv-tests/work/rv64BP/fpga-test-sdc.objdump.addr"};
 | |
|       ProgramLabelMapFile = {"../../imperas-riscv-tests/work/rv64BP/fpga-test-sdc.objdump.lab"};
 | |
|       $display("Read memfile %s", memfilename);
 | |
|       reset = 0; #97; reset = 1; # 1000; reset = 0;
 | |
|     end
 | |
| 
 | |
|   // generate clock to sequence tests
 | |
|   always
 | |
|     begin
 | |
|       clk = 1; # 5; clk = 0; # 5;
 | |
|     end
 | |
|    
 | |
|   // check results
 | |
|   always @(negedge clk)
 | |
|     begin    
 | |
| /* -----\/----- EXCLUDED -----\/-----
 | |
|       if (dut.wallypipelinedsoc.core.priv.EcallFaultM & 
 | |
| 			    (dut.wallypipelinedsoc.core.ieu.dp.regf.rf[3] == 1 | 
 | |
| 			     (dut.wallypipelinedsoc.core.ieu.dp.regf.we3 & 
 | |
| 			      dut.wallypipelinedsoc.core.ieu.dp.regf.a3 == 3 & 
 | |
| 			      dut.wallypipelinedsoc.core.ieu.dp.regf.wd3 == 1))) begin
 | |
|  -----/\----- EXCLUDED -----/\----- */
 | |
|       if (DCacheFlushDone) begin
 | |
|         //$display("Code ended with ecall with gp = 1");
 | |
| 
 | |
|         #600; // give time for instructions in pipeline to finish
 | |
|         // clear signature to prevent contamination from previous tests
 | |
|         for(i=0; i<SIGNATURESIZE; i=i+1) begin
 | |
|           sig32[i] = 'bx;
 | |
|         end
 | |
| 
 | |
|         // read signature, reformat in 64 bits if necessary
 | |
|         signame = {"../../imperas-riscv-tests/work/", tests[test], ".signature.output"};
 | |
|         $readmemh(signame, sig32);
 | |
|         i = 0;
 | |
|         while (i < SIGNATURESIZE) begin
 | |
|           if (`XLEN == 32) begin
 | |
|             signature[i] = sig32[i];
 | |
|             i = i+1;
 | |
|           end else begin
 | |
|             signature[i/2] = {sig32[i+1], sig32[i]};
 | |
|             i = i + 2;
 | |
|           end
 | |
|           if (sig32[i-1] === 'bx) begin
 | |
|             if (i == 1) begin
 | |
|               i = SIGNATURESIZE+1; // flag empty file
 | |
|               $display("  Error: empty test file");
 | |
|             end else i = SIGNATURESIZE; // skip over the rest of the x's for efficiency
 | |
|           end
 | |
|         end
 | |
| 
 | |
|         // Check errors
 | |
|         errors = (i == SIGNATURESIZE+1); // error if file is empty
 | |
|         i = 0;
 | |
|         testadr = (`RAM_BASE+tests[test+1].atohex())/(`XLEN/8);
 | |
|         /* verilator lint_off INFINITELOOP */
 | |
|         while (signature[i] !== 'bx) begin
 | |
|           //$display("signature[%h] = %h", i, signature[i]);
 | |
|           if (signature[i] !== ram.RAM[testadr+i] &
 | |
| 	      (signature[i] !== DCacheFlushFSM.ShadowRAM[testadr+i])) begin
 | |
|             if (signature[i+4] !== 'bx | signature[i] !== 32'hFFFFFFFF) begin
 | |
|               // report errors unless they are garbage at the end of the sim
 | |
|               // kind of hacky test for garbage right now
 | |
|               errors = errors+1;
 | |
|               $display("  Error on test %s result %d: adr = %h sim (D$) %h sim (TIM) = %h, signature = %h", 
 | |
|                     tests[test], i, (testadr+i)*(`XLEN/8), DCacheFlushFSM.ShadowRAM[testadr+i], ram.RAM[testadr+i], signature[i]);
 | |
|               $stop;//***debug
 | |
|             end
 | |
|           end
 | |
|           i = i + 1;
 | |
|         end
 | |
|         /* verilator lint_on INFINITELOOP */
 | |
|         if (errors == 0) begin
 | |
|           $display("%s succeeded.  Brilliant!!!", tests[test]);
 | |
|         end
 | |
|         else begin
 | |
|           $display("%s failed with %d errors. :(", tests[test], errors);
 | |
|           totalerrors = totalerrors+1;
 | |
|         end
 | |
|         test = test + 2;
 | |
|         if (test == tests.size()) begin
 | |
|           if (totalerrors == 0) $display("SUCCESS! All tests ran without failures.");
 | |
|           else $display("FAIL: %d test programs had errors", totalerrors);
 | |
|           $stop;
 | |
|         end
 | |
|         else begin
 | |
|           memfilename = {"../../imperas-riscv-tests/work/", tests[test], ".elf.memfile"};
 | |
|           $readmemh(memfilename, ram.RAM);
 | |
|           $display("Read memfile %s", memfilename);
 | |
| 	  ProgramAddrMapFile = {"../../imperas-riscv-tests/work/", tests[test], ".elf.objdump.addr"};
 | |
| 	  ProgramLabelMapFile = {"../../imperas-riscv-tests/work/", tests[test], ".elf.objdump.lab"};
 | |
| 	  reset = 0; #97; reset = 1; # 1000; reset = 0;
 | |
|         end
 | |
|       end
 | |
|     end // always @ (negedge clk)
 | |
| 
 | |
|   // track the current function or global label
 | |
| /* -----\/----- EXCLUDED -----\/-----
 | |
|   if (DEBUG == 1) begin : FunctionName
 | |
|     FunctionName FunctionName(.reset(reset),
 | |
| 			      .clk(clk),
 | |
| 			      .ProgramAddrMapFile(ProgramAddrMapFile),
 | |
| 			      .ProgramLabelMapFile(ProgramLabelMapFile));
 | |
|   end
 | |
|  -----/\----- EXCLUDED -----/\----- */
 | |
| 
 | |
|   assign DCacheFlushStart = dut.wallypipelinedsoc.core.priv.EcallFaultM & 
 | |
| 			    (dut.wallypipelinedsoc.core.ieu.dp.regf.rf[3] == 1 | 
 | |
| 			     (dut.wallypipelinedsoc.core.ieu.dp.regf.we3 & 
 | |
| 			      dut.wallypipelinedsoc.core.ieu.dp.regf.a3 == 3 & 
 | |
| 			      dut.wallypipelinedsoc.core.ieu.dp.regf.wd3 == 1));
 | |
|   
 | |
|   DCacheFlushFSM DCacheFlushFSM(.clk(clk),
 | |
| 				.reset(reset),
 | |
| 				.start(DCacheFlushStart),
 | |
| 				.done(DCacheFlushDone));
 | |
|   
 | |
| 
 | |
|   // initialize the branch predictor
 | |
|   if (`BPRED_ENABLED == 1)
 | |
|     initial begin
 | |
|       $readmemb(`TWO_BIT_PRELOAD, dut.wallypipelinedsoc.core.ifu.bpred.bpred.Predictor.DirPredictor.PHT.mem);
 | |
|       $readmemb(`BTB_PRELOAD, dut.wallypipelinedsoc.core.ifu.bpred.bpred.TargetPredictor.memory.mem);
 | |
|     end
 | |
| endmodule
 | |
| 
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| module riscvassertions();
 | |
|   // Legal number of PMP entries are 0, 16, or 64
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|   initial begin
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|     assert (`PMP_ENTRIES == 0 | `PMP_ENTRIES==16 | `PMP_ENTRIES==64) else $error("Illegal number of PMP entries: PMP_ENTRIES must be 0, 16, or 64");
 | |
|     assert (`F_SUPPORTED | ~`D_SUPPORTED) else $error("Can't support double without supporting float");
 | |
|     assert (`XLEN == 64 | ~`D_SUPPORTED) else $error("Wally does not yet support D extensions on RV32");
 | |
|     assert (`DCACHE_WAYSIZEINBYTES <= 4096 | (`DMEM != `MEM_CACHE) | `VIRTMEM_SUPPORTED == 0) else $error("DCACHE_WAYSIZEINBYTES cannot exceed 4 KiB when caches and vitual memory is enabled (to prevent aliasing)");
 | |
|     assert (`DCACHE_LINELENINBITS >= 128 | (`DMEM != `MEM_CACHE)) else $error("DCACHE_LINELENINBITS must be at least 128 when caches are enabled");
 | |
|     assert (`DCACHE_LINELENINBITS < `DCACHE_WAYSIZEINBYTES*8) else $error("DCACHE_LINELENINBITS must be smaller than way size");
 | |
|     assert (`ICACHE_WAYSIZEINBYTES <= 4096 | (`IMEM != `MEM_CACHE) | `VIRTMEM_SUPPORTED == 0) else $error("ICACHE_WAYSIZEINBYTES cannot exceed 4 KiB when caches and vitual memory is enabled (to prevent aliasing)");
 | |
|     assert (`ICACHE_LINELENINBITS >= 32 | (`IMEM != `MEM_CACHE)) else $error("ICACHE_LINELENINBITS must be at least 32 when caches are enabled");
 | |
|     assert (`ICACHE_LINELENINBITS < `ICACHE_WAYSIZEINBYTES*8) else $error("ICACHE_LINELENINBITS must be smaller than way size");
 | |
|     assert (2**$clog2(`DCACHE_LINELENINBITS) == `DCACHE_LINELENINBITS) else $error("DCACHE_LINELENINBITS must be a power of 2");
 | |
|     assert (2**$clog2(`DCACHE_WAYSIZEINBYTES) == `DCACHE_WAYSIZEINBYTES) else $error("DCACHE_WAYSIZEINBYTES must be a power of 2");
 | |
|     assert (2**$clog2(`ICACHE_LINELENINBITS) == `ICACHE_LINELENINBITS) else $error("ICACHE_LINELENINBITS must be a power of 2");
 | |
|     assert (2**$clog2(`ICACHE_WAYSIZEINBYTES) == `ICACHE_WAYSIZEINBYTES) else $error("ICACHE_WAYSIZEINBYTES must be a power of 2");
 | |
|     assert (`ICACHE_NUMWAYS == 1 | (`IMEM != `MEM_CACHE)) else $warning("Multiple Instruction Cache ways not yet implemented");
 | |
|     assert (2**$clog2(`ITLB_ENTRIES) == `ITLB_ENTRIES) else $error("ITLB_ENTRIES must be a power of 2");
 | |
|     assert (2**$clog2(`DTLB_ENTRIES) == `DTLB_ENTRIES) else $error("DTLB_ENTRIES must be a power of 2");
 | |
|     assert (`RAM_RANGE >= 56'h07FFFFFF) else $error("Some regression tests will fail if RAM_RANGE is less than 56'h07FFFFFF");
 | |
|   end
 | |
| endmodule
 | |
| 
 | |
| 
 | |
| /* verilator lint_on STMTDLY */
 | |
| /* verilator lint_on WIDTH */
 | |
| 
 | |
| module DCacheFlushFSM
 | |
|   (input logic clk,
 | |
|    input logic reset,
 | |
|    input logic start,
 | |
|    output logic done);
 | |
| 
 | |
|   localparam integer numlines = testbench.dut.wallypipelinedsoc.core.lsu.bus.dcache.NUMLINES;
 | |
|   localparam integer numways = testbench.dut.wallypipelinedsoc.core.lsu.bus.dcache.NUMWAYS;
 | |
|   localparam integer linebytelen = testbench.dut.wallypipelinedsoc.core.lsu.bus.dcache.LINEBYTELEN;
 | |
|   localparam integer numwords = testbench.dut.wallypipelinedsoc.core.lsu.bus.dcache.LINELEN/`XLEN;  
 | |
|   localparam integer lognumlines = $clog2(numlines);
 | |
|   localparam integer loglinebytelen = $clog2(linebytelen);
 | |
|   localparam integer lognumways = $clog2(numways);
 | |
|   localparam integer tagstart = lognumlines + loglinebytelen;
 | |
| 
 | |
| 
 | |
| 
 | |
|   genvar index, way, cacheWord;
 | |
|   logic [`XLEN-1:0]  CacheData [numways-1:0] [numlines-1:0] [numwords-1:0];
 | |
|   logic [`XLEN-1:0]  CacheTag [numways-1:0] [numlines-1:0] [numwords-1:0];
 | |
|   logic CacheValid  [numways-1:0] [numlines-1:0] [numwords-1:0];
 | |
|   logic CacheDirty  [numways-1:0] [numlines-1:0] [numwords-1:0];
 | |
|   logic [`PA_BITS-1:0] CacheAdr [numways-1:0] [numlines-1:0] [numwords-1:0];
 | |
|   genvar adr;
 | |
| 
 | |
|   logic [`XLEN-1:0] ShadowRAM[`RAM_BASE>>(1+`XLEN/32):(`RAM_RANGE+`RAM_BASE)>>1+(`XLEN/32)];
 | |
|   
 | |
|   for(index = 0; index < numlines; index++) begin
 | |
|     for(way = 0; way < numways; way++) begin
 | |
|       for(cacheWord = 0; cacheWord < numwords; cacheWord++) begin
 | |
|         copyShadow #(.tagstart(tagstart), .loglinebytelen(loglinebytelen))
 | |
|         copyShadow(.clk,
 | |
|             .start,
 | |
|             .tag(testbench.dut.wallypipelinedsoc.core.lsu.bus.dcache.CacheWays[way].CacheTagMem.StoredData[index]),
 | |
|             .valid(testbench.dut.wallypipelinedsoc.core.lsu.bus.dcache.CacheWays[way].ValidBits[index]),
 | |
|             .dirty(testbench.dut.wallypipelinedsoc.core.lsu.bus.dcache.CacheWays[way].DirtyBits[index]),
 | |
|             .data(testbench.dut.wallypipelinedsoc.core.lsu.bus.dcache.CacheWays[way].word[cacheWord].CacheDataMem.StoredData[index]),
 | |
|             .index(index),
 | |
|             .cacheWord(cacheWord),
 | |
|             .CacheData(CacheData[way][index][cacheWord]),
 | |
|             .CacheAdr(CacheAdr[way][index][cacheWord]),
 | |
|             .CacheTag(CacheTag[way][index][cacheWord]),
 | |
|             .CacheValid(CacheValid[way][index][cacheWord]),
 | |
|             .CacheDirty(CacheDirty[way][index][cacheWord]));
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   integer i, j, k;
 | |
|   
 | |
|   always @(posedge clk) begin
 | |
|     if (start) begin #1
 | |
|       #1
 | |
|       for(i = 0; i < numlines; i++) begin
 | |
| 	for(j = 0; j < numways; j++) begin
 | |
| 	  for(k = 0; k < numwords; k++) begin
 | |
| 	  if (CacheValid[j][i][k] & CacheDirty[j][i][k]) begin
 | |
| 	    ShadowRAM[CacheAdr[j][i][k] >> $clog2(`XLEN/8)] = CacheData[j][i][k];
 | |
| 	    end
 | |
| 	  end	
 | |
| 	end
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
| 
 | |
|   flop #(1) doneReg(.clk(clk),
 | |
| 		    .d(start),
 | |
| 		    .q(done));
 | |
| 		    
 | |
| endmodule
 | |
| 
 | |
| module copyShadow
 | |
|   #(parameter tagstart, loglinebytelen)
 | |
|   (input logic clk,
 | |
|    input logic 			     start,
 | |
|    input logic [`PA_BITS-1:tagstart] tag,
 | |
|    input logic 			     valid, dirty,
 | |
|    input logic [`XLEN-1:0] 	     data,
 | |
|    input logic [32-1:0] 	     index,
 | |
|    input logic [32-1:0] 	     cacheWord,
 | |
|    output logic [`XLEN-1:0] 	     CacheData,
 | |
|    output logic [`PA_BITS-1:0] 	     CacheAdr,
 | |
|    output logic [`XLEN-1:0] 	     CacheTag,
 | |
|    output logic 		     CacheValid,
 | |
|    output logic 		     CacheDirty);
 | |
|   
 | |
| 
 | |
|   always_ff @(posedge clk) begin
 | |
|     if(start) begin
 | |
|       CacheTag = tag;
 | |
|       CacheValid = valid;
 | |
|       CacheDirty = dirty;
 | |
|       CacheData = data;
 | |
|       CacheAdr = (tag << tagstart) + (index << loglinebytelen) + (cacheWord << $clog2(`XLEN/8));
 | |
|     end
 | |
|   end
 | |
|   
 | |
| endmodule		      
 | |
| 
 |