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added support for embench post processing to testbench.sv

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DTowersM 2022-06-01 21:00:44 +00:00
parent ee7070c5b6
commit d28b4cf602
1 changed files with 79 additions and 59 deletions
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30
pipelined/testbench/testbench.sv
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@ -128,7 +128,8 @@ logic [3:0] dummy;
end end
end end
string signame, memfilename, pathname, objdumpfilename, adrstr; string signame, memfilename, pathname, objdumpfilename, adrstr, outputfile;
integer outputFilePointer;
logic [31:0] GPIOPinsIn, GPIOPinsOut, GPIOPinsEn; logic [31:0] GPIOPinsIn, GPIOPinsOut, GPIOPinsEn;
logic UARTSin, UARTSout; logic UARTSin, UARTSout;
@ -213,14 +214,32 @@ logic [3:0] dummy;
$display("Benchmark: coremark is done."); $display("Benchmark: coremark is done.");
$stop; $stop;
end end
// Termination condition (i.e. we finished running current test)
if (DCacheFlushDone) begin if (DCacheFlushDone) begin
// Gets the memory location of begin_signature
testadr = (`RAM_BASE+tests[test+1].atohex())/(`XLEN/8);
testadrNoBase = (tests[test+1].atohex())/(`XLEN/8);
#600; // give time for instructions in pipeline to finish #600; // give time for instructions in pipeline to finish
if (TEST == "embench") begin
// Writes contents of begin_signature to .sim.output file
// this contains instret and cycles for start and end of test run, used by embench python speed script to calculate embench speed score
// also begin_signature contains the results of the self checking mechanism, which will be read by the python script for error checking
$display("Embench Benchmark: %s is done.", tests[test]);
outputfile = {pathname, tests[test], ".sim.output"};
outputFilePointer = $fopen(outputfile);
i = 0;
while ($unsigned(i) < $unsigned(5'd5)) begin
$fdisplayh(outputFilePointer, DCacheFlushFSM.ShadowRAM[testadr+i]);
i = i + 1;
end
$fclose(outputFilePointer);
$display("Embench Benchmark: created output file: %s", outputfile);
end else begin
// for tests with no self checking mechanism, read .signature.output file and compare to check for errors
// clear signature to prevent contamination from previous tests // clear signature to prevent contamination from previous tests
for(i=0; i<SIGNATURESIZE; i=i+1) begin for(i=0; i<SIGNATURESIZE; i=i+1) begin
sig32[i] = 'bx; sig32[i] = 'bx;
end end
// read signature, reformat in 64 bits if necessary // read signature, reformat in 64 bits if necessary
signame = {pathname, tests[test], ".signature.output"}; signame = {pathname, tests[test], ".signature.output"};
$readmemh(signame, sig32); $readmemh(signame, sig32);
@ -244,8 +263,6 @@ logic [3:0] dummy;
// Check errors // Check errors
errors = (i == SIGNATURESIZE+1); // error if file is empty errors = (i == SIGNATURESIZE+1); // error if file is empty
i = 0; i = 0;
testadr = (`RAM_BASE+tests[test+1].atohex())/(`XLEN/8);
testadrNoBase = (tests[test+1].atohex())/(`XLEN/8);
/* verilator lint_off INFINITELOOP */ /* verilator lint_off INFINITELOOP */
while (signature[i] !== 'bx) begin while (signature[i] !== 'bx) begin
logic [`XLEN-1:0] sig; logic [`XLEN-1:0] sig;
@ -277,6 +294,8 @@ logic [3:0] dummy;
$display("%s failed with %d errors. :(", tests[test], errors); $display("%s failed with %d errors. :(", tests[test], errors);
totalerrors = totalerrors+1; totalerrors = totalerrors+1;
end end
end
// move onto the next test, check to see if we're done
test = test + 2; test = test + 2;
if (test == tests.size()) begin if (test == tests.size()) begin
if (totalerrors == 0) $display("SUCCESS! All tests ran without failures."); if (totalerrors == 0) $display("SUCCESS! All tests ran without failures.");
@ -284,6 +303,7 @@ logic [3:0] dummy;
$stop; $stop;
end end
else begin else begin
// If there are still additional tests to run, read in information for the next test
//pathname = tvpaths[tests[0]]; //pathname = tvpaths[tests[0]];
memfilename = {pathname, tests[test], ".elf.memfile"}; memfilename = {pathname, tests[test], ".elf.memfile"};
//$readmemh(memfilename, dut.uncore.ram.ram.memory.RAM); //$readmemh(memfilename, dut.uncore.ram.ram.memory.RAM);