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Updated testbench to count size of signature without searching for x. Now runs with Verilator.

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This commit is contained in:
David Harris 2024-01-07 09:00:19 -08:00
parent caedab679a
commit 7cd02351d9
1 changed files with 16 additions and 5 deletions
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21
testbench/testbench.sv
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@ -519,6 +519,7 @@ module testbench;
localparam SIGNATURESIZE = 5000000; localparam SIGNATURESIZE = 5000000;
integer i; integer i;
logic [31:0] sig32[0:SIGNATURESIZE]; logic [31:0] sig32[0:SIGNATURESIZE];
logic [31:0] parsed;
logic [P.XLEN-1:0] signature[0:SIGNATURESIZE]; logic [P.XLEN-1:0] signature[0:SIGNATURESIZE];
string signame; string signame;
logic [P.XLEN-1:0] testadr, testadrNoBase; logic [P.XLEN-1:0] testadr, testadrNoBase;
@ -535,17 +536,25 @@ module testbench;
else begin else begin
while (!$feof(fd)) begin while (!$feof(fd)) begin
code = $fgets(line, fd); code = $fgets(line, fd);
if (!code) begin if (code != 0) begin
int errno; int errno;
string errstr; string errstr;
errno = $ferror(fd, errstr); errno = $ferror(fd, errstr);
if (errno) $display("Error %d (code %d) reading line %d of %s: %s", errno, code, siglines, signame, errstr); if (errno != 0) $display("Error %d (code %d) reading line %d of %s: %s", errno, code, siglines, signame, errstr);
end else if (line.len() > 1) begin // skip blank lines if (line.len() > 1) begin // skip blank lines
if ($sscanf(line, "%x", sig32[siglines])) siglines = siglines + 1; // increment if line is not blank // if ($sscanf(line, "%x", sig32[siglines])) siglines = siglines + 1; // increment if line is not blank
if ($sscanf(line, "%x", parsed) != 0) begin
sig32[siglines] = parsed;
// $display("line = %s len = %d sig32[%d] = %x", line, line.len(), siglines, sig32[siglines]);
siglines = siglines + 1; // increment if line is not blank
end
end
end end
end end
$fclose(fd); $fclose(fd);
end end
// for(i=0; i<siglines; i++)
// $display("sig32[%d] = %x", i, sig32[i]);
// Check valid number of lines were read // Check valid number of lines were read
if (siglines == 0) begin if (siglines == 0) begin
@ -558,8 +567,10 @@ module testbench;
// copy lines into signature, converting to XLEN if necessary // copy lines into signature, converting to XLEN if necessary
sigentries = (P.XLEN == 32) ? siglines : siglines/2; // number of signature entries sigentries = (P.XLEN == 32) ? siglines : siglines/2; // number of signature entries
for (i=0; i<sigentries; i++) for (i=0; i<sigentries; i++) begin
signature[i] = (P.XLEN == 32) ? sig32[i] : {sig32[i*2+1], sig32[i*2]}; signature[i] = (P.XLEN == 32) ? sig32[i] : {sig32[i*2+1], sig32[i*2]};
//$display("XLEN = %d signature[%d] = %x", P.XLEN, i, signature[i]);
end
// Check errors // Check errors
testadr = ($unsigned(begin_signature_addr))/(P.XLEN/8); testadr = ($unsigned(begin_signature_addr))/(P.XLEN/8);