Dcache AHB address generation was wrong. Needed to zero the offset.

This commit is contained in:
Ross Thompson 2021-07-13 14:19:04 -05:00
parent afc1bc9c38
commit 32f27cfecf
2 changed files with 36 additions and 36 deletions

View File

@ -209,9 +209,6 @@ add wave -noupdate -group icache -expand -group memory -group {tag write} /testb
add wave -noupdate -group icache -expand -group {instr to cpu} /testbench/dut/hart/ifu/icache/controller/FinalInstrRawF
add wave -noupdate -group icache -expand -group pc /testbench/dut/hart/ifu/icache/controller/PCPF
add wave -noupdate -group icache -expand -group pc /testbench/dut/hart/ifu/icache/controller/PCPreFinalF
add wave -noupdate -group AHB -expand -group read /testbench/dut/hart/ebu/HRDATA
add wave -noupdate -group AHB -expand -group read /testbench/dut/hart/ebu/HRDATAMasked
add wave -noupdate -group AHB -expand -group read /testbench/dut/hart/ebu/HRDATANext
add wave -noupdate -group AHB -color Gold /testbench/dut/hart/ebu/BusState
add wave -noupdate -group AHB /testbench/dut/hart/ebu/NextBusState
add wave -noupdate -group AHB -expand -group {input requests} /testbench/dut/hart/ebu/AtomicMaskedM
@ -220,7 +217,6 @@ add wave -noupdate -group AHB -expand -group {input requests} /testbench/dut/har
add wave -noupdate -group AHB /testbench/dut/hart/ebu/HCLK
add wave -noupdate -group AHB /testbench/dut/hart/ebu/HRESETn
add wave -noupdate -group AHB /testbench/dut/hart/ebu/HRDATA
add wave -noupdate -group AHB /testbench/dut/hart/ebu/HRDATANext
add wave -noupdate -group AHB /testbench/dut/hart/ebu/HREADY
add wave -noupdate -group AHB /testbench/dut/hart/ebu/HRESP
add wave -noupdate -group AHB /testbench/dut/hart/ebu/HADDR
@ -239,7 +235,6 @@ add wave -noupdate -expand -group lsu -expand -group dcache -color Gold /testben
add wave -noupdate -expand -group lsu -expand -group dcache /testbench/dut/hart/lsu/dcache/WriteDataM
add wave -noupdate -expand -group lsu -expand -group dcache /testbench/dut/hart/lsu/dcache/SRAMBlockWriteEnableM
add wave -noupdate -expand -group lsu -expand -group dcache /testbench/dut/hart/lsu/dcache/SRAMWordWriteEnableM
add wave -noupdate -expand -group lsu -expand -group dcache /testbench/dut/hart/lsu/dcache/AnyCPUReqE
add wave -noupdate -expand -group lsu -expand -group dcache /testbench/dut/hart/lsu/dcache/SRAMWayWriteEnable
add wave -noupdate -expand -group lsu -expand -group dcache /testbench/dut/hart/lsu/dcache/SRAMWordEnable
add wave -noupdate -expand -group lsu -expand -group dcache /testbench/dut/hart/lsu/dcache/SelAdrM
@ -259,42 +254,41 @@ add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Cach
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Cache SRAM writes} -expand -group way0 -expand -group Way0Word2 {/testbench/dut/hart/lsu/dcache/CacheWays[0]/MemWay/word[2]/CacheDataMem/StoredData}
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Cache SRAM writes} -expand -group way0 -expand -group Way0Word3 {/testbench/dut/hart/lsu/dcache/CacheWays[0]/MemWay/word[3]/CacheDataMem/WriteEnable}
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Cache SRAM writes} -expand -group way0 -expand -group Way0Word3 {/testbench/dut/hart/lsu/dcache/CacheWays[0]/MemWay/word[3]/CacheDataMem/StoredData}
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/SRAMAdr
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/ReadDataBlockWayM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/ReadDataBlockWayMaskedM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/ReadDataBlockM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/ReadDataWordM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/FinalReadDataWordM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/ReadTag
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/WayHit
add wave -noupdate -expand -group lsu -expand -group dcache -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/SRAMAdr
add wave -noupdate -expand -group lsu -expand -group dcache -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/ReadDataBlockWayM
add wave -noupdate -expand -group lsu -expand -group dcache -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/ReadDataBlockWayMaskedM
add wave -noupdate -expand -group lsu -expand -group dcache -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/ReadDataBlockM
add wave -noupdate -expand -group lsu -expand -group dcache -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/ReadDataWordM
add wave -noupdate -expand -group lsu -expand -group dcache -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/FinalReadDataWordM
add wave -noupdate -expand -group lsu -expand -group dcache -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/ReadTag
add wave -noupdate -expand -group lsu -expand -group dcache -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/WayHit
add wave -noupdate -expand -group lsu -expand -group dcache -group Victim /testbench/dut/hart/lsu/dcache/VictimReadDataBLockWayMaskedM
add wave -noupdate -expand -group lsu -expand -group dcache -group Victim /testbench/dut/hart/lsu/dcache/VictimReadDataBlockM
add wave -noupdate -expand -group lsu -expand -group dcache -group Victim /testbench/dut/hart/lsu/dcache/VictimWay
add wave -noupdate -expand -group lsu -expand -group dcache -group Victim /testbench/dut/hart/lsu/dcache/VictimDirtyWay
add wave -noupdate -expand -group lsu -expand -group dcache -group Victim /testbench/dut/hart/lsu/dcache/VictimDirty
add wave -noupdate -expand -group lsu -expand -group dcache -group {CPU side} /testbench/dut/hart/lsu/dcache/MemRWM
add wave -noupdate -expand -group lsu -expand -group dcache -group {CPU side} /testbench/dut/hart/lsu/pagetablewalker/MemAdrM
add wave -noupdate -expand -group lsu -expand -group dcache -group {CPU side} /testbench/dut/hart/lsu/pagetablewalker/DTLBMissM
add wave -noupdate -expand -group lsu -expand -group dcache -group {CPU side} /testbench/dut/hart/lsu/pagetablewalker/MemAdrM
add wave -noupdate -expand -group lsu -expand -group dcache -group {CPU side} /testbench/dut/hart/lsu/MemAdrM
add wave -noupdate -expand -group lsu -expand -group dcache -group {CPU side} /testbench/dut/hart/lsu/pagetablewalker/PCF
add wave -noupdate -expand -group lsu -expand -group dcache -group {CPU side} /testbench/dut/hart/lsu/dcache/Funct3M
add wave -noupdate -expand -group lsu -expand -group dcache -group {CPU side} /testbench/dut/hart/lsu/dcache/Funct7M
add wave -noupdate -expand -group lsu -expand -group dcache -group {CPU side} /testbench/dut/hart/lsu/dcache/AtomicM
add wave -noupdate -expand -group lsu -expand -group dcache -group {CPU side} /testbench/dut/hart/lsu/dcache/WriteDataM
add wave -noupdate -expand -group lsu -expand -group dcache -group {CPU side} /testbench/dut/hart/lsu/dcache/ReadDataW
add wave -noupdate -expand -group lsu -expand -group dcache -group {CPU side} /testbench/dut/hart/lsu/dcache/DCacheStall
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group status /testbench/dut/hart/lsu/dcache/WayHit
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group status -color {Medium Orchid} /testbench/dut/hart/lsu/dcache/CacheHit
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group status /testbench/dut/hart/lsu/dcache/SRAMWordWriteEnableW
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/dcache/MemRWM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/pagetablewalker/MemAdrM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/pagetablewalker/DTLBMissM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/pagetablewalker/MemAdrM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/MemAdrM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/pagetablewalker/PCF
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/dcache/Funct3M
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/dcache/Funct7M
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/dcache/AtomicM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/dcache/WriteDataM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/dcache/ReadDataW
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/dcache/DCacheStall
add wave -noupdate -expand -group lsu -expand -group dcache -group status /testbench/dut/hart/lsu/dcache/WayHit
add wave -noupdate -expand -group lsu -expand -group dcache -group status -color {Medium Orchid} /testbench/dut/hart/lsu/dcache/CacheHit
add wave -noupdate -expand -group lsu -expand -group dcache -group status /testbench/dut/hart/lsu/dcache/SRAMWordWriteEnableW
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Memory Side} /testbench/dut/hart/lsu/dcache/AHBPAdr
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Memory Side} /testbench/dut/hart/lsu/dcache/AHBRead
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Memory Side} /testbench/dut/hart/lsu/dcache/AHBWrite
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Memory Side} /testbench/dut/hart/lsu/dcache/AHBAck
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Memory Side} /testbench/dut/hart/lsu/dcache/HRDATA
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Memory Side} /testbench/dut/hart/lsu/dcache/HWDATA
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {SRAM Write} /testbench/dut/hart/lsu/dcache/SRAMWayWriteEnable
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {SRAM Write} /testbench/dut/hart/lsu/dcache/SRAMWordEnable
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Memory Side} /testbench/dut/hart/lsu/dcache/BasePAdrM
add wave -noupdate -expand -group lsu -group old -color Gold /testbench/dut/hart/lsu/CurrState
add wave -noupdate -expand -group lsu -group old /testbench/dut/hart/lsu/DisableTranslation
add wave -noupdate -expand -group lsu -group old /testbench/dut/hart/lsu/MemRWM
@ -393,9 +387,14 @@ add wave -noupdate -group dtlb /testbench/dut/hart/lsu/dmmu/TLBHit
add wave -noupdate -group dtlb /testbench/dut/hart/lsu/dmmu/VirtualAddress
add wave -noupdate -group dtlb /testbench/dut/hart/lsu/dmmu/PhysicalAddress
add wave -noupdate -group itlb /testbench/dut/hart/ifu/ITLBMissF
add wave -noupdate /testbench/dut/uncore/dtim/HWADDR
add wave -noupdate /testbench/dut/uncore/dtim/A
add wave -noupdate /testbench/dut/uncore/dtim/risingHREADYTim
add wave -noupdate /testbench/dut/uncore/dtim/memwrite
add wave -noupdate /testbench/dut/uncore/dtim/HWDATA
TreeUpdate [SetDefaultTree]
WaveRestoreCursors {{Cursor 12} {1053664 ns} 0} {{Cursor 13} {4851 ns} 0} {{Cursor 3} {58080 ns} 0}
quietly wave cursor active 1
WaveRestoreCursors {{Cursor 12} {1303660 ns} 0} {{Cursor 4} {1303875 ns} 0} {{Cursor 5} {1304387 ns} 0}
quietly wave cursor active 3
configure wave -namecolwidth 250
configure wave -valuecolwidth 297
configure wave -justifyvalue left
@ -410,4 +409,4 @@ configure wave -griddelta 40
configure wave -timeline 0
configure wave -timelineunits ns
update
WaveRestoreZoom {1053586 ns} {1053736 ns}
WaveRestoreZoom {1304315 ns} {1304659 ns}

View File

@ -268,7 +268,7 @@ module dcache
// *** Coding style. this is just awful. The purpose is to align FetchCount to the
// size of XLEN so we can fetch XLEN bits. FetchCount needs to be padded to PA_BITS length.
// *** optimize this
mux2 #(`PA_BITS) BaseAdrMux(.d0(MemPAdrM),
.d1({VictimTag, MemPAdrM[INDEXLEN+OFFSETLEN-1:OFFSETLEN], {{OFFSETLEN}{1'b0}}}),
.s(AHBWrite),
@ -276,9 +276,9 @@ module dcache
generate
if (`XLEN == 32) begin
assign AHBPAdr = ({ {`PA_BITS-4{1'b0}}, FetchCount} << 2) + BasePAdrM;
assign AHBPAdr = ({ {`PA_BITS-4{1'b0}}, FetchCount} << 2) + {BasePAdrM[`PA_BITS-1:OFFSETLEN], {{OFFSETLEN}{1'b0}}};
end else begin
assign AHBPAdr = ({ {`PA_BITS-3{1'b0}}, FetchCount} << 3) + BasePAdrM;
assign AHBPAdr = ({ {`PA_BITS-3{1'b0}}, FetchCount} << 3) + {BasePAdrM[`PA_BITS-1:OFFSETLEN], {{OFFSETLEN}{1'b0}}};
end
endgenerate
@ -469,6 +469,7 @@ module dcache
NextState = STATE_MISS_READ_WORD;
SelAdrM = 1'b1;
SetValidM = 1'b1;
ClearDirtyM = 1'b1;
end
STATE_MISS_READ_WORD: begin