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Correct small mismatch in icache TB (piton-specific data replication in reads)

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Michael Schaffner 2018-11-21 22:36:21 +01:00
parent 61e0a50c0e
commit 2f38fcb853
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1 changed files with 15 additions and 16 deletions
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9
tb/tb_serpent_icache/hdl/mem_emul.sv
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@ -173,11 +173,10 @@ module mem_emul #(
infifo_data.nc = 1'b1; infifo_data.nc = 1'b1;
infifo_data.f4b = 1'b1; infifo_data.f4b = 1'b1;
// replicate words (this is done in openpiton, too) // replicate words (this is done in openpiton, too)
// note: openpiton replicates the words here. we do not do this currently, // note: openpiton replicates the words here.
// but this could save us another mux in the critical path in the icache. for (int k=0; k<ICACHE_LINE_WIDTH/32; k++) begin
// for (int k=0; k<ICACHE_LINE_WIDTH/32; k++) begin infifo_data.data[k*32 +:32] = mem_array[outfifo_data.paddr>>2];
// infifo_data.data[k*32 +:32] = mem_array[outfifo_data.paddr>>2]; end
// end
infifo_data.data[0 +:32] = mem_array[outfifo_data.paddr>>2]; infifo_data.data[0 +:32] = mem_array[outfifo_data.paddr>>2];
end else begin end else begin
infifo_data.nc = outfifo_data.nc; infifo_data.nc = outfifo_data.nc;