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https://github.com/openhwgroup/cvw
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added support for embench post processing to testbench.sv
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DTowersM
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9e4f17fed9
commit
d3c8ee7154
@ -128,7 +128,8 @@ logic [3:0] dummy;
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end
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end
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string signame, memfilename, pathname, objdumpfilename, adrstr;
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string signame, memfilename, pathname, objdumpfilename, adrstr, outputfile;
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integer outputFilePointer;
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logic [31:0] GPIOPinsIn, GPIOPinsOut, GPIOPinsEn;
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logic UARTSin, UARTSout;
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@ -213,70 +214,88 @@ logic [3:0] dummy;
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$display("Benchmark: coremark is done.");
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$stop;
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end
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// Termination condition (i.e. we finished running current test)
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if (DCacheFlushDone) begin
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#600; // give time for instructions in pipeline to finish
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// clear signature to prevent contamination from previous tests
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for(i=0; i<SIGNATURESIZE; i=i+1) begin
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sig32[i] = 'bx;
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end
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// read signature, reformat in 64 bits if necessary
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signame = {pathname, tests[test], ".signature.output"};
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$readmemh(signame, sig32);
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i = 0;
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while (i < SIGNATURESIZE) begin
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if (`XLEN == 32) begin
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signature[i] = sig32[i];
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i = i+1;
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end else begin
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signature[i/2] = {sig32[i+1], sig32[i]};
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i = i + 2;
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end
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if (i >= 4 & sig32[i-4] === 'bx) begin
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if (i == 4) begin
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i = SIGNATURESIZE+1; // flag empty file
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$display(" Error: empty test file");
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end else i = SIGNATURESIZE; // skip over the rest of the x's for efficiency
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end
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end
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// Check errors
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errors = (i == SIGNATURESIZE+1); // error if file is empty
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i = 0;
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// Gets the memory location of begin_signature
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testadr = (`RAM_BASE+tests[test+1].atohex())/(`XLEN/8);
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testadrNoBase = (tests[test+1].atohex())/(`XLEN/8);
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/* verilator lint_off INFINITELOOP */
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while (signature[i] !== 'bx) begin
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logic [`XLEN-1:0] sig;
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if (`DMEM == `MEM_TIM) sig = dut.core.lsu.dtim.dtim.ram.memory.RAM[testadrNoBase+i];
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else sig = dut.uncore.ram.ram.memory.RAM[testadrNoBase+i];
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//$display("signature[%h] = %h sig = %h", i, signature[i], sig);
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if (signature[i] !== sig &
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//if (signature[i] !== dut.core.lsu.dtim.ram.memory.RAM[testadr+i] &
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(signature[i] !== DCacheFlushFSM.ShadowRAM[testadr+i])) begin // ***i+1?
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if ((signature[i] !== '0 | signature[i+4] !== 'x)) begin
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// if (signature[i+4] !== 'bx | (signature[i] !== 32'hFFFFFFFF & signature[i] !== 32'h00000000)) begin
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// report errors unless they are garbage at the end of the sim
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// kind of hacky test for garbage right now
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$display("sig4 = %h ne %b", signature[i+4], signature[i+4] !== 'bx);
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errors = errors+1;
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$display(" Error on test %s result %d: adr = %h sim (D$) %h sim (DMEM) = %h, signature = %h",
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tests[test], i, (testadr+i)*(`XLEN/8), DCacheFlushFSM.ShadowRAM[testadr+i], sig, signature[i]);
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// tests[test], i, (testadr+i)*(`XLEN/8), DCacheFlushFSM.ShadowRAM[testadr+i], dut.core.lsu.dtim.ram.memory.RAM[testadr+i], signature[i]);
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$stop;//***debug
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#600; // give time for instructions in pipeline to finish
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if (TEST == "embench") begin
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// Writes contents of begin_signature to .sim.output file
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// this contains instret and cycles for start and end of test run, used by embench python speed script to calculate embench speed score
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// also begin_signature contains the results of the self checking mechanism, which will be read by the python script for error checking
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$display("Embench Benchmark: %s is done.", tests[test]);
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outputfile = {pathname, tests[test], ".sim.output"};
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outputFilePointer = $fopen(outputfile);
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i = 0;
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while ($unsigned(i) < $unsigned(5'd5)) begin
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$fdisplayh(outputFilePointer, DCacheFlushFSM.ShadowRAM[testadr+i]);
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i = i + 1;
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end
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$fclose(outputFilePointer);
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$display("Embench Benchmark: created output file: %s", outputfile);
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end else begin
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// for tests with no self checking mechanism, read .signature.output file and compare to check for errors
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// clear signature to prevent contamination from previous tests
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for(i=0; i<SIGNATURESIZE; i=i+1) begin
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sig32[i] = 'bx;
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end
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// read signature, reformat in 64 bits if necessary
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signame = {pathname, tests[test], ".signature.output"};
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$readmemh(signame, sig32);
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i = 0;
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while (i < SIGNATURESIZE) begin
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if (`XLEN == 32) begin
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signature[i] = sig32[i];
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i = i+1;
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end else begin
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signature[i/2] = {sig32[i+1], sig32[i]};
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i = i + 2;
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end
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if (i >= 4 & sig32[i-4] === 'bx) begin
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if (i == 4) begin
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i = SIGNATURESIZE+1; // flag empty file
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$display(" Error: empty test file");
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end else i = SIGNATURESIZE; // skip over the rest of the x's for efficiency
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end
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end
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i = i + 1;
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end
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/* verilator lint_on INFINITELOOP */
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if (errors == 0) begin
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$display("%s succeeded. Brilliant!!!", tests[test]);
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end
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else begin
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$display("%s failed with %d errors. :(", tests[test], errors);
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totalerrors = totalerrors+1;
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// Check errors
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errors = (i == SIGNATURESIZE+1); // error if file is empty
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i = 0;
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/* verilator lint_off INFINITELOOP */
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while (signature[i] !== 'bx) begin
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logic [`XLEN-1:0] sig;
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if (`DMEM == `MEM_TIM) sig = dut.core.lsu.dtim.dtim.ram.memory.RAM[testadrNoBase+i];
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else sig = dut.uncore.ram.ram.memory.RAM[testadrNoBase+i];
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//$display("signature[%h] = %h sig = %h", i, signature[i], sig);
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if (signature[i] !== sig &
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//if (signature[i] !== dut.core.lsu.dtim.ram.memory.RAM[testadr+i] &
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(signature[i] !== DCacheFlushFSM.ShadowRAM[testadr+i])) begin // ***i+1?
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if ((signature[i] !== '0 | signature[i+4] !== 'x)) begin
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// if (signature[i+4] !== 'bx | (signature[i] !== 32'hFFFFFFFF & signature[i] !== 32'h00000000)) begin
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// report errors unless they are garbage at the end of the sim
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// kind of hacky test for garbage right now
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$display("sig4 = %h ne %b", signature[i+4], signature[i+4] !== 'bx);
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errors = errors+1;
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$display(" Error on test %s result %d: adr = %h sim (D$) %h sim (DMEM) = %h, signature = %h",
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tests[test], i, (testadr+i)*(`XLEN/8), DCacheFlushFSM.ShadowRAM[testadr+i], sig, signature[i]);
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// tests[test], i, (testadr+i)*(`XLEN/8), DCacheFlushFSM.ShadowRAM[testadr+i], dut.core.lsu.dtim.ram.memory.RAM[testadr+i], signature[i]);
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$stop;//***debug
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end
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end
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i = i + 1;
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end
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/* verilator lint_on INFINITELOOP */
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if (errors == 0) begin
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$display("%s succeeded. Brilliant!!!", tests[test]);
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end
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else begin
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$display("%s failed with %d errors. :(", tests[test], errors);
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totalerrors = totalerrors+1;
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end
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end
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// move onto the next test, check to see if we're done
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test = test + 2;
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if (test == tests.size()) begin
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if (totalerrors == 0) $display("SUCCESS! All tests ran without failures.");
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@ -284,6 +303,7 @@ logic [3:0] dummy;
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$stop;
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end
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else begin
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// If there are still additional tests to run, read in information for the next test
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//pathname = tvpaths[tests[0]];
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memfilename = {pathname, tests[test], ".elf.memfile"};
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//$readmemh(memfilename, dut.uncore.ram.ram.memory.RAM);
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