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Name cleanup in LSU.

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This commit is contained in:
Ross Thompson 2021-12-29 16:34:35 -06:00
parent aa227ce97c
commit ac5746c721
2 changed files with 18 additions and 9 deletions
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12
wally-pipelined/regression/wave.do
View File

@ -215,6 +215,13 @@ add wave -noupdate -expand -group lsu /testbench/dut/hart/lsu/WriteDataM
add wave -noupdate -expand -group lsu /testbench/dut/hart/lsu/SelUncachedAdr
add wave -noupdate -expand -group lsu -expand -group bus -color Gold /testbench/dut/hart/lsu/BusCurrState
add wave -noupdate -expand -group lsu -expand -group bus /testbench/dut/hart/lsu/BusStall
add wave -noupdate -expand -group lsu -expand -group bus /testbench/dut/hart/lsu/LsuBusRead
add wave -noupdate -expand -group lsu -expand -group bus /testbench/dut/hart/lsu/LsuBusWrite
add wave -noupdate -expand -group lsu -expand -group bus /testbench/dut/hart/lsu/LsuBusAdr
add wave -noupdate -expand -group lsu -expand -group bus /testbench/dut/hart/lsu/LsuBusAck
add wave -noupdate -expand -group lsu -expand -group bus /testbench/dut/hart/lsu/LsuBusHWDATA
add wave -noupdate -expand -group lsu -expand -group bus /testbench/dut/hart/lsu/UnCachedLsuBusRead
add wave -noupdate -expand -group lsu -expand -group bus /testbench/dut/hart/lsu/UnCachedLsuBusWrite
add wave -noupdate -expand -group lsu -expand -group dcache -color Gold /testbench/dut/hart/lsu/dcache/dcachefsm/CurrState
add wave -noupdate -expand -group lsu -expand -group dcache /testbench/dut/hart/lsu/dcache/WayHit
add wave -noupdate -expand -group lsu -expand -group dcache /testbench/dut/hart/lsu/dcache/SRAMBlockWriteEnableM
@ -468,9 +475,8 @@ add wave -noupdate -group {pc selection} /testbench/dut/hart/ifu/PrivilegedChang
add wave -noupdate /testbench/dut/hart/priv/priv/csr/MEPC_REGW
add wave -noupdate /testbench/dut/hart/lsu/LocalLsuBusAdr
add wave -noupdate /testbench/dut/hart/lsu/BasePAdrMaskedM
add wave -noupdate /testbench/dut/hart/lsu/match
TreeUpdate [SetDefaultTree]
WaveRestoreCursors {{Cursor 7} {36865 ns} 1} {{Cursor 5} {49445 ns} 1} {{Cursor 3} {35021 ns} 0} {{Cursor 4} {49574 ns} 1}
WaveRestoreCursors {{Cursor 7} {36865 ns} 1} {{Cursor 5} {49445 ns} 1} {{Cursor 3} {35522 ns} 0} {{Cursor 4} {49574 ns} 1}
quietly wave cursor active 3
configure wave -namecolwidth 250
configure wave -valuecolwidth 314
@ -486,4 +492,4 @@ configure wave -griddelta 40
configure wave -timeline 0
configure wave -timelineunits ns
update
WaveRestoreZoom {34887 ns} {35269 ns}
WaveRestoreZoom {35088 ns} {35954 ns}

15
wally-pipelined/src/lsu/lsu.sv
View File

@ -351,7 +351,7 @@ module lsu
logic WordCountFlag;
logic [`XLEN-1:0] FinalAMOWriteDataM, FinalWriteDataM;
(* mark_debug = "true" *) logic [`XLEN-1:0] DC_HWDATA_FIXNAME;
(* mark_debug = "true" *) logic [`XLEN-1:0] PreLsuBusHWDATA;
logic SelFlush;
logic [`XLEN-1:0] ReadDataWordM;
logic [`DCACHE_BLOCKLENINBITS-1:0] DCacheMemWriteData;
@ -428,11 +428,10 @@ module lsu
.HWDATAIN(FinalAMOWriteDataM),
.HWDATA(FinalWriteDataM));
assign LsuBusHWDATA = CacheableM | SelFlush ? DC_HWDATA_FIXNAME : WriteDataM;
generate
if (`XLEN == 32) assign LsuBusSize = UnCachedLsuBusWrite | UnCachedLsuBusRead ? LsuFunct3M : 3'b010;
else assign LsuBusSize = UnCachedLsuBusWrite | UnCachedLsuBusRead ? LsuFunct3M : 3'b011;
if (`XLEN == 32) assign LsuBusSize = SelUncachedAdr ? LsuFunct3M : 3'b010;
else assign LsuBusSize = SelUncachedAdr ? LsuFunct3M : 3'b011;
endgenerate;
// Bus Side logic
@ -452,13 +451,17 @@ module lsu
//assign LocalLsuBusAdr = SelUncachedAdr ? LsuPAdrM : {DCacheBusAdr[`PA_BITS-1:OFFSETLEN], {{OFFSETLEN}{1'b0}}} ;
assign LocalLsuBusAdr = SelUncachedAdr ? LsuPAdrM : DCacheBusAdr ;
assign LsuBusAdr = ({{`PA_BITS-LOGWPL{1'b0}}, WordCount} << $clog2(`XLEN/8)) + LocalLsuBusAdr;
assign DC_HWDATA_FIXNAME = ReadDataBlockSetsM[WordCount];
assign PreLsuBusHWDATA = ReadDataBlockSetsM[WordCount];
assign LsuBusHWDATA = SelUncachedAdr ? WriteDataM : PreLsuBusHWDATA; // *** why is this not FinalWriteDataM? which does not work.
assign WordCountFlag = (WordCount == WordCountThreshold[LOGWPL-1:0]);
assign CntEn = PreCntEn & LsuBusAck;