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rafaelcalc |
//////////////////////////////////////////////////////////////////////////////////
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// Engineer: Rafael de Oliveira Calçada (rafaelcalcada@gmail.com)
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//
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// Create Date: 30.07.2020 18:18:32
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// Module Name: tb_compliance
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// Project Name: Steel Core
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// Description: RISC-V compliance testbench
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//
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// Dependencies: globals.vh
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// machine_control.v
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// alu.v
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// integer_file.v
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// branch_unit.v
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// decoder.v
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// csr_file.v
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// imm_generator.v
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// load_unit.v
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// store_unit.v
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//
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// Version 0.01
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//
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//////////////////////////////////////////////////////////////////////////////////
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/*********************************************************************************
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MIT License
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Copyright (c) 2020 Rafael de Oliveira Calçada
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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********************************************************************************/
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`timescale 1ns / 1ps
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`include "../globals.vh"
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module tb_compliance();
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reg CLK;
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reg RESET;
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wire [31:0] I_ADDR;
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reg [31:0] INSTR;
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wire [31:0] D_ADDR;
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wire [31:0] DATA_OUT;
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wire WR_REQ;
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wire [3:0] WR_MASK;
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reg [31:0] DATA_IN;
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reg E_IRQ;
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reg T_IRQ;
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reg S_IRQ;
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reg [8*50:0] tests [0:53] = {
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"I-ADD-01.elf.mem",
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"I-BLT-01.elf.mem",
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"I-JAL-01.elf.mem",
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"I-MISALIGN_JMP-01.elf.mem",
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"I-SB-01.elf.mem",
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"I-SRA-01.elf.mem",
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"I-ADDI-01.elf.mem",
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"I-BLTU-01.elf.mem",
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"I-JALR-01.elf.mem",
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"I-MISALIGN_LDST-01.elf.mem",
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"I-SH-01.elf.mem",
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"I-SRAI-01.elf.mem",
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"I-AND-01.elf.mem",
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"I-BNE-01.elf.mem",
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"I-LB-01.elf.mem",
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"I-NOP-01.elf.mem",
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"I-SLL-01.elf.mem",
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"I-SRL-01.elf.mem",
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"I-ANDI-01.elf.mem",
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"I-DELAY_SLOTS-01.elf.mem",
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"I-LBU-01.elf.mem",
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"I-OR-01.elf.mem",
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"I-SLLI-01.elf.mem",
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"I-SRLI-01.elf.mem",
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"I-AUIPC-01.elf.mem",
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"I-EBREAK-01.elf.mem",
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"I-LH-01.elf.mem",
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"I-ORI-01.elf.mem",
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"I-SLT-01.elf.mem",
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"I-SUB-01.elf.mem",
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"I-BEQ-01.elf.mem",
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"I-ECALL-01.elf.mem",
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"I-LHU-01.elf.mem",
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"I-RF_size-01.elf.mem",
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"I-SLTI-01.elf.mem",
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"I-SW-01.elf.mem",
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"I-BGE-01.elf.mem",
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"I-ENDIANESS-01.elf.mem",
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"I-LUI-01.elf.mem",
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"I-RF_width-01.elf.mem",
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"I-SLTIU-01.elf.mem",
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"I-XOR-01.elf.mem",
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"I-BGEU-01.elf.mem",
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"I-IO-01.elf.mem",
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"I-LW-01.elf.mem",
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"I-RF_x0-01.elf.mem",
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"I-SLTU-01.elf.mem",
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"I-XORI-01.elf.mem",
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"I-CSRRC-01.elf.mem",
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"I-CSRRCI-01.elf.mem",
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"I-CSRRS-01.elf.mem",
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"I-CSRRSI-01.elf.mem",
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"I-CSRRW-01.elf.mem",
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"I-CSRRWI-01.elf.mem"
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};
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reg [8*256:0] signatures [0:53] = {
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"../../../../../compliance/I-ADD-01.signature.output",
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"../../../../../compliance/I-BLT-01.signature.output",
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"../../../../../compliance/I-JAL-01.signature.output",
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"../../../../../compliance/I-MISALIGN_JMP-01.signature.output",
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"../../../../../compliance/I-SB-01.signature.output",
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"../../../../../compliance/I-SRA-01.signature.output",
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"../../../../../compliance/I-ADDI-01.signature.output",
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"../../../../../compliance/I-BLTU-01.signature.output",
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"../../../../../compliance/I-JALR-01.signature.output",
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"../../../../../compliance/I-MISALIGN_LDST-01.signature.output",
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"../../../../../compliance/I-SH-01.signature.output",
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"../../../../../compliance/I-SRAI-01.signature.output",
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"../../../../../compliance/I-AND-01.signature.output",
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"../../../../../compliance/I-BNE-01.signature.output",
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"../../../../../compliance/I-LB-01.signature.output",
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"../../../../../compliance/I-NOP-01.signature.output",
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"../../../../../compliance/I-SLL-01.signature.output",
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"../../../../../compliance/I-SRL-01.signature.output",
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"../../../../../compliance/I-ANDI-01.signature.output",
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"../../../../../compliance/I-DELAY_SLOTS-01.signature.output",
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"../../../../../compliance/I-LBU-01.signature.output",
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"../../../../../compliance/I-OR-01.signature.output",
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"../../../../../compliance/I-SLLI-01.signature.output",
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"../../../../../compliance/I-SRLI-01.signature.output",
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"../../../../../compliance/I-AUIPC-01.signature.output",
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"../../../../../compliance/I-EBREAK-01.signature.output",
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"../../../../../compliance/I-LH-01.signature.output",
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"../../../../../compliance/I-ORI-01.signature.output",
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"../../../../../compliance/I-SLT-01.signature.output",
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"../../../../../compliance/I-SUB-01.signature.output",
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"../../../../../compliance/I-BEQ-01.signature.output",
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"../../../../../compliance/I-ECALL-01.signature.output",
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"../../../../../compliance/I-LHU-01.signature.output",
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"../../../../../compliance/I-RF_size-01.signature.output",
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"../../../../../compliance/I-SLTI-01.signature.output",
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"../../../../../compliance/I-SW-01.signature.output",
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"../../../../../compliance/I-BGE-01.signature.output",
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"../../../../../compliance/I-ENDIANESS-01.signature.output",
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"../../../../../compliance/I-LUI-01.signature.output",
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"../../../../../compliance/I-RF_width-01.signature.output",
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"../../../../../compliance/I-SLTIU-01.signature.output",
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"../../../../../compliance/I-XOR-01.signature.output",
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"../../../../../compliance/I-BGEU-01.signature.output",
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"../../../../../compliance/I-IO-01.signature.output",
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"../../../../../compliance/I-LW-01.signature.output",
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"../../../../../compliance/I-RF_x0-01.signature.output",
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"../../../../../compliance/I-SLTU-01.signature.output",
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"../../../../../compliance/I-XORI-01.signature.output",
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"../../../../../compliance/I-CSRRC-01.signature.output",
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"../../../../../compliance/I-CSRRCI-01.signature.output",
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"../../../../../compliance/I-CSRRS-01.signature.output",
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"../../../../../compliance/I-CSRRSI-01.signature.output",
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"../../../../../compliance/I-CSRRW-01.signature.output",
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"../../../../../compliance/I-CSRRWI-01.signature.output"
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};
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steel_top #(
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.BOOT_ADDRESS(32'h00000000)
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) dut (
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.CLK(CLK),
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.RESET(RESET),
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.REAL_TIME(64'b0),
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.I_ADDR(I_ADDR),
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.INSTR(INSTR),
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.D_ADDR(D_ADDR),
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.DATA_OUT(DATA_OUT),
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.WR_REQ(WR_REQ),
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.WR_MASK(WR_MASK),
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.DATA_IN(DATA_IN),
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.E_IRQ(E_IRQ),
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.T_IRQ(T_IRQ),
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.S_IRQ(S_IRQ)
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);
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reg [31:0] ram [0:16383]; // 4KB RAM
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integer f;
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integer i;
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integer j;
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integer k;
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integer m;
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integer n;
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always
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begin
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#10 CLK = !CLK;
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end
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initial
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begin
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for(k = 0; k < 54; k=k+1)
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begin
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// LOADS PROGRAM INTO MEMORY
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for(i = 0; i < 65535; i=i+1) ram[i] = 32'b0;
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$display("Running %s...", tests[k]);
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f = $fopen(signatures[k], "w");
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$readmemh(tests[k],ram);
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// INITIAL VALUES
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RESET = 1'b0;
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CLK = 1'b0;
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E_IRQ = 1'b0;
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T_IRQ = 1'b0;
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S_IRQ = 1'b0;
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// RESET
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#5;
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RESET = 1'b1;
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#15;
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RESET = 1'b0;
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// one second loop
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for(j = 0; j < 50000000; j = j + 1)
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begin
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#20;
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if(WR_REQ == 1'b1 && D_ADDR == 32'h00001000)
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begin
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m = ram[2047][16:2];
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n = ram[2046][16:2];
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for(m = ram[2047][16:2]; m < n; m=m+1)
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begin
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$fwrite(f, "%h\n", ram[m]);
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$display("%h", ram[m]);
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end
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#20;
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j = 50000000;
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end
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end
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$fclose(f);
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end
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$display("All signatures generated. Run the verify.sh script located inside the compliance folder.");
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end
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always @(posedge CLK or posedge RESET)
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begin
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if(RESET)
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begin
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INSTR = ram[I_ADDR[15:2]];
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DATA_IN = ram[D_ADDR[15:2]];
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end
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else
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begin
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INSTR = ram[I_ADDR[15:2]];
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DATA_IN = ram[D_ADDR[15:2]];
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if(WR_REQ)
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begin
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if(WR_MASK[0])
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begin
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ram[D_ADDR[15:2]][7:0] <= DATA_OUT[7:0];
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end
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if(WR_MASK[1])
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begin
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ram[D_ADDR[15:2]][15:8] <= DATA_OUT[15:8];
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end
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if(WR_MASK[2])
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begin
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ram[D_ADDR[15:2]][23:16] <= DATA_OUT[23:16];
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end
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if(WR_MASK[3])
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begin
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ram[D_ADDR[15:2]][31:24] <= DATA_OUT[31:24];
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end
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end
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end
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end
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endmodule
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