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slmnemo 2022-06-13 12:26:08 -07:00
parent 9f4ca06f7f
commit a21d731834
1 changed files with 2 additions and 1 deletions
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pipelined/src/lsu/busfsm.sv
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@ -136,7 +136,7 @@ module busfsm #(parameter integer WordCountThreshold,
always_comb begin always_comb begin
case(WordCountThreshold) case(WordCountThreshold)
1: LocalBurstType = 3'b000; 0: LocalBurstType = 3'b000;
3: LocalBurstType = 3'b011; // INCR4 3: LocalBurstType = 3'b011; // INCR4
7: LocalBurstType = 3'b101; // INCR8 7: LocalBurstType = 3'b101; // INCR8
15: LocalBurstType = 3'b111; // INCR16 15: LocalBurstType = 3'b111; // INCR16
@ -144,6 +144,7 @@ module busfsm #(parameter integer WordCountThreshold,
endcase endcase
end end
// Would these be better as always_comb statements or muxes?
assign LSUBurstType = (UnCachedRW) ? 3'b0 : LocalBurstType; // Don't want to use burst when doing an Uncached Access. assign LSUBurstType = (UnCachedRW) ? 3'b0 : LocalBurstType; // Don't want to use burst when doing an Uncached Access.
assign LSUTransComplete = (UnCachedRW) ? LSUBusAck : WordCountFlag & LSUBusAck; assign LSUTransComplete = (UnCachedRW) ? LSUBusAck : WordCountFlag & LSUBusAck;
// Use SEQ if not doing first word, NONSEQ if doing the first read/write, and IDLE if finishing up. // Use SEQ if not doing first word, NONSEQ if doing the first read/write, and IDLE if finishing up.