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fixed PCtext error by using blocking assignments

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bbracker 2021-06-18 17:37:40 -04:00
parent 03a45aeef1
commit 8d242d73b5
1 changed files with 12 additions and 20 deletions
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32
wally-pipelined/testbench/testbench-linux.sv
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@ -474,18 +474,18 @@ module testbench();
end
string PCtextD,PCtextE,PCtextM,PCtext2;
//always_ff @(posedge clk, posedge reset)
// if (reset) begin
// PCtextE <= #1 "(reset)";
// PCtextM <= #1 "(reset)";
// end else begin
// if (~dut.hart.StallE)
// if (dut.hart.FlushE) PCtextE <= #1 "(flushed)";
// else PCtextE <= #1 PCtextD;
// if (~dut.hart.StallM)
// if (dut.hart.FlushM) PCtextM <= #1 "(flushed)";
// else PCtextM <= #1 PCtextE;
// end
always_ff @(posedge clk, posedge reset)
if (reset) begin
PCtextE = "(reset)";
PCtextM = "(reset)";
end else begin
if (~dut.hart.StallM)
if (dut.hart.FlushM) PCtextM = "(flushed)";
else PCtextM = PCtextE;
if (~dut.hart.StallE)
if (dut.hart.FlushE) PCtextE = "(flushed)";
else PCtextE = PCtextD;
end
initial begin
@ -498,10 +498,8 @@ module testbench();
always @(dut.hart.ifu.PCD or dut.hart.ifu.InstrRawD or reset or negedge dut.hart.ifu.StallE) begin
if(~HWRITE) begin
#2;
$display("test point");
if (~reset && dut.hart.ifu.InstrRawD[15:0] !== {16{1'bx}} && dut.hart.ifu.PCD !== 64'h0 && ~dut.hart.ifu.StallE) begin
if (dut.hart.ifu.PCD !== lastPCD) begin
$display("tp2");
lastCheckInstrD = CheckInstrD;
lastPC <= dut.hart.ifu.PCD;
lastPC2 <= lastPC;
@ -528,22 +526,16 @@ module testbench();
end
end
else begin
$display("tp4");
if($feof(data_file_PC)) begin
$display("no more PC data to read");
`ERROR
end
scan_file_PC = $fscanf(data_file_PC, "%s\n", PCtextD);
PCtext2 = "";
$display("tp5 PCtextD = %s PCtext2 = %s\n", PCtextD, PCtext2);
while (PCtext2 != "***") begin
$display("tp6 PCtextD = %s PCtext2 = %s\n", PCtextD, PCtext2);
PCtextD = {PCtextD, " ", PCtext2};
$display("tp8");
scan_file_PC = $fscanf(data_file_PC, "%s\n", PCtext2);
$display("tp9");
end
$display("tp7 PCtextD = %s PCtext2 = %s\n", PCtextD, PCtext2);
scan_file_PC = $fscanf(data_file_PC, "%x\n", CheckInstrD);
if(dut.hart.ifu.PCD === pcExpected) begin
if((dut.hart.ifu.InstrRawD[6:0] == 7'b1010011) || // for now, NOP out any float instrs