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Added comments about why it is not possible to use FlushWay and VictimWay directly.

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This commit is contained in:
Ross Thompson 2022-12-09 17:07:35 -06:00
parent f09b9e1572
commit d3b2e331c2
1 changed files with 3 additions and 2 deletions
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5
pipelined/src/cache/cacheway.sv vendored
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@ -82,11 +82,12 @@ module cacheway #(parameter NUMLINES=512, parameter LINELEN = 256, TAGLEN = 26,
logic FlushWayEn, VictimWayEn;
// FlushWay and VictimWay are part of a one hot way selection. Must clear them if FlushWay not selected
// or VictimWay not selected.
assign FlushWayEn = FlushWay & SelFlush;
assign VictimWayEn = VictimWay & SelEvict;
assign SelWriteback = SelFlush | SetValid | SelEvict;
//assign SelWriteback = FlushWay | SetValid | SelEvict;
assign SelWriteback = FlushWayEn | SetValid | SelEvict;
mux2 #(1) seltagmux(VictimWay, FlushWay, SelFlush, SelTag);
//assign SelTag = VictimWay | FlushWay;