diff --git a/pipelined/testbench/testbench-fpga.sv b/pipelined/testbench/testbench-fpga.sv index 5997180f4..c815d8a02 100644 --- a/pipelined/testbench/testbench-fpga.sv +++ b/pipelined/testbench/testbench-fpga.sv @@ -56,6 +56,7 @@ logic [3:0] dummy; logic HREADYEXT, HRESPEXT; logic [31:0] HADDR; logic [`AHBW-1:0] HWDATA; + logic [`XLEN/8-1:0] HWSTRB; logic HWRITE; logic [2:0] HSIZE; logic [2:0] HBURST; @@ -105,7 +106,7 @@ logic [3:0] dummy; assign UARTSin = 1; wallypipelinedsoc dut(.clk, .reset_ext, .reset, .HRDATAEXT,.HREADYEXT, .HRESPEXT,.HSELEXT, - .HCLK, .HRESETn, .HADDR, .HWDATA, .HWRITE, .HSIZE, .HBURST, .HPROT, + .HCLK, .HRESETn, .HADDR, .HWDATA, .HWSTRB, .HWRITE, .HSIZE, .HBURST, .HPROT, .HTRANS, .HMASTLOCK, .HREADY, .TIMECLK(1'b0), .GPIOPinsIn, .GPIOPinsOut, .GPIOPinsEn, .UARTSin, .UARTSout, .SDCCmdIn, .SDCCmdOut, .SDCCmdOE, .SDCDatIn, .SDCCLK); @@ -162,7 +163,7 @@ logic [3:0] dummy; always @(negedge clk) begin if (TEST == "coremark") - if (dut.core.priv.priv.ecallM) begin + if (dut.core.priv.priv.EcallFaultM) begin $display("Benchmark: coremark is done."); $stop; end @@ -342,8 +343,13 @@ module DCacheFlushFSM localparam integer numlines = testbench.dut.core.lsu.bus.dcache.dcache.NUMLINES; localparam integer numways = testbench.dut.core.lsu.bus.dcache.dcache.NUMWAYS; localparam integer linebytelen = testbench.dut.core.lsu.bus.dcache.dcache.LINEBYTELEN; - localparam integer numwords = testbench.dut.core.lsu.bus.dcache.dcache.LINELEN/`XLEN; - localparam integer lognumlines = $clog2(numlines); + localparam integer linelen = testbench.dut.core.lsu.bus.dcache.dcache.LINELEN; + localparam integer sramlen = testbench.dut.core.lsu.bus.dcache.dcache.CacheWays[0].SRAMLEN; + localparam integer cachesramwords = testbench.dut.core.lsu.bus.dcache.dcache.CacheWays[0].NUMSRAM; + +//testbench.dut.core.lsu.bus.dcache.dcache.CacheWays.NUMSRAM; + localparam integer numwords = sramlen/`XLEN; + localparam integer lognumlines = $clog2(numlines); localparam integer loglinebytelen = $clog2(linebytelen); localparam integer lognumways = $clog2(numways); localparam integer tagstart = lognumlines + loglinebytelen; @@ -351,65 +357,71 @@ module DCacheFlushFSM genvar index, way, cacheWord; - logic [`XLEN-1:0] CacheData [numways-1:0] [numlines-1:0] [numwords-1:0]; - logic [`XLEN-1:0] CacheTag [numways-1:0] [numlines-1:0] [numwords-1:0]; - logic CacheValid [numways-1:0] [numlines-1:0] [numwords-1:0]; - logic CacheDirty [numways-1:0] [numlines-1:0] [numwords-1:0]; - logic [`PA_BITS-1:0] CacheAdr [numways-1:0] [numlines-1:0] [numwords-1:0]; - for(index = 0; index < numlines; index++) begin - for(way = 0; way < numways; way++) begin - for(cacheWord = 0; cacheWord < numwords; cacheWord++) begin - copyShadow #(.tagstart(tagstart), - .loglinebytelen(loglinebytelen)) - copyShadow(.clk, - .start, - .tag(testbench.dut.core.lsu.bus.dcache.dcache.CacheWays[way].CacheTagMem.StoredData[index]), - .valid(testbench.dut.core.lsu.bus.dcache.dcache.CacheWays[way].ValidBits[index]), - .dirty(testbench.dut.core.lsu.bus.dcache.dcache.CacheWays[way].DirtyBits[index]), - .data(testbench.dut.core.lsu.bus.dcache.dcache.CacheWays[way].word[cacheWord].CacheDataMem.StoredData[index]), - .index(index), - .cacheWord(cacheWord), - .CacheData(CacheData[way][index][cacheWord]), - .CacheAdr(CacheAdr[way][index][cacheWord]), - .CacheTag(CacheTag[way][index][cacheWord]), - .CacheValid(CacheValid[way][index][cacheWord]), - .CacheDirty(CacheDirty[way][index][cacheWord])); - end - end + logic [sramlen-1:0] CacheData [numways-1:0] [numlines-1:0] [cachesramwords-1:0]; + logic [sramlen-1:0] cacheline; + logic [`XLEN-1:0] CacheTag [numways-1:0] [numlines-1:0] [cachesramwords-1:0]; + logic CacheValid [numways-1:0] [numlines-1:0] [cachesramwords-1:0]; + logic CacheDirty [numways-1:0] [numlines-1:0] [cachesramwords-1:0]; + logic [`PA_BITS-1:0] CacheAdr [numways-1:0] [numlines-1:0] [cachesramwords-1:0]; + for(index = 0; index < numlines; index++) begin + for(way = 0; way < numways; way++) begin + for(cacheWord = 0; cacheWord < cachesramwords; cacheWord++) begin + copyShadow #(.tagstart(tagstart), + .loglinebytelen(loglinebytelen), .sramlen(sramlen)) + copyShadow(.clk, + .start, + .tag(testbench.dut.core.lsu.bus.dcache.dcache.CacheWays[way].CacheTagMem.StoredData[index]), + .valid(testbench.dut.core.lsu.bus.dcache.dcache.CacheWays[way].ValidBits[index]), + .dirty(testbench.dut.core.lsu.bus.dcache.dcache.CacheWays[way].DirtyBits[index]), + .data(testbench.dut.core.lsu.bus.dcache.dcache.CacheWays[way].word[cacheWord].CacheDataMem.StoredData[index]), + .index(index), + .cacheWord(cacheWord), + .CacheData(CacheData[way][index][cacheWord]), + .CacheAdr(CacheAdr[way][index][cacheWord]), + .CacheTag(CacheTag[way][index][cacheWord]), + .CacheValid(CacheValid[way][index][cacheWord]), + .CacheDirty(CacheDirty[way][index][cacheWord])); + end end + end - integer i, j, k; + integer i, j, k, l; - always @(posedge clk) begin - if (start) begin #1 - #1 - for(i = 0; i < numlines; i++) begin - for(j = 0; j < numways; j++) begin - for(k = 0; k < numwords; k++) begin - if (CacheValid[j][i][k] & CacheDirty[j][i][k]) begin - ShadowRAM[CacheAdr[j][i][k] >> $clog2(`XLEN/8)] = CacheData[j][i][k]; - end - end - end - end - end - end - - - end + always @(posedge clk) begin + if (start) begin #1 + #1 + for(i = 0; i < numlines; i++) begin + for(j = 0; j < numways; j++) begin + for(l = 0; l < cachesramwords; l++) begin + if (CacheValid[j][i][l] & CacheDirty[j][i][l]) begin + for(k = 0; k < numwords; k++) begin + //cacheline = CacheData[j][i][0]; + // does not work with modelsim + // # ** Error: ../testbench/testbench.sv(483): Range must be bounded by constant expressions. + // see https://verificationacademy.com/forums/systemverilog/range-must-be-bounded-constant-expressions + //ShadowRAM[CacheAdr[j][i][k] >> $clog2(`XLEN/8)] = cacheline[`XLEN*(k+1)-1:`XLEN*k]; + ShadowRAM[(CacheAdr[j][i][l] >> $clog2(`XLEN/8)) + k] = CacheData[j][i][l][`XLEN*k +: `XLEN]; + end + end + end + end + end + end + end + end flop #(1) doneReg(.clk, .d(start), .q(done)); endmodule module copyShadow - #(parameter tagstart, loglinebytelen) + #(parameter tagstart, loglinebytelen, sramlen) (input logic clk, input logic start, input logic [`PA_BITS-1:tagstart] tag, input logic valid, dirty, - input logic [`XLEN-1:0] data, + input logic [sramlen-1:0] data, input logic [32-1:0] index, input logic [32-1:0] cacheWord, - output logic [`XLEN-1:0] CacheData, + output logic [sramlen-1:0] CacheData, output logic [`PA_BITS-1:0] CacheAdr, output logic [`XLEN-1:0] CacheTag, output logic CacheValid, @@ -422,9 +434,8 @@ module copyShadow CacheValid = valid; CacheDirty = dirty; CacheData = data; - CacheAdr = (tag << tagstart) + (index << loglinebytelen) + (cacheWord << $clog2(`XLEN/8)); + CacheAdr = (tag << tagstart) + (index << loglinebytelen) + (cacheWord << $clog2(sramlen/8)); end end -endmodule - +endmodule