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Renamed CPUBusy in LSU.

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Ross Thompson 2022-12-11 15:52:51 -06:00
parent c50a2bd8bf
commit ffc5bce0b6
1 changed files with 6 additions and 6 deletions
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12
pipelined/src/lsu/lsu.sv
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@ -103,7 +103,7 @@ module lsu (
logic [6:0] LSUFunct7M; logic [6:0] LSUFunct7M;
logic [1:0] LSUAtomicM; logic [1:0] LSUAtomicM;
(* mark_debug = "true" *) logic [`XLEN+1:0] IHAdrM; (* mark_debug = "true" *) logic [`XLEN+1:0] IHAdrM;
logic CPUBusy; logic GatedStallW;
logic DCacheStallM; logic DCacheStallM;
logic CacheableM; logic CacheableM;
logic BusStall; logic BusStall;
@ -155,7 +155,7 @@ module lsu (
// There is not a clean way to restore back to a partial executed instruction. CommiteedM will // There is not a clean way to restore back to a partial executed instruction. CommiteedM will
// delay the interrupt until the LSU is in a clean state. // delay the interrupt until the LSU is in a clean state.
assign CommittedM = SelHPTW | DCacheCommittedM | BusCommittedM; assign CommittedM = SelHPTW | DCacheCommittedM | BusCommittedM;
assign CPUBusy = StallW & ~SelHPTW; assign GatedStallW = StallW & ~SelHPTW;
// MMU and Misalignment fault logic required if privileged unit exists // MMU and Misalignment fault logic required if privileged unit exists
if(`ZICSR_SUPPORTED == 1) begin : dmmu if(`ZICSR_SUPPORTED == 1) begin : dmmu
@ -219,7 +219,7 @@ module lsu (
assign DTIMMemRWM = SelDTIM & ~IgnoreRequestTLB ? LSURWM : '0; assign DTIMMemRWM = SelDTIM & ~IgnoreRequestTLB ? LSURWM : '0;
// **** fix ReadDataWordM to be LLEN. ByteMask is wrong length. // **** fix ReadDataWordM to be LLEN. ByteMask is wrong length.
// **** create config to support DTIM with floating point. // **** create config to support DTIM with floating point.
dtim dtim(.clk, .reset, .ce(~CPUBusy), .MemRWM(DTIMMemRWM), dtim dtim(.clk, .reset, .ce(~GatedStallW), .MemRWM(DTIMMemRWM),
.Adr(DTIMAdr), .Adr(DTIMAdr),
.FlushW, .WriteDataM(LSUWriteDataM), .FlushW, .WriteDataM(LSUWriteDataM),
.ReadDataWordM(DTIMReadDataWordM[`XLEN-1:0]), .ByteMaskM(ByteMaskM[`XLEN/8-1:0])); .ReadDataWordM(DTIMReadDataWordM[`XLEN-1:0]), .ByteMaskM(ByteMaskM[`XLEN/8-1:0]));
@ -254,7 +254,7 @@ module lsu (
cache #(.LINELEN(`DCACHE_LINELENINBITS), .NUMLINES(`DCACHE_WAYSIZEINBYTES*8/LINELEN), cache #(.LINELEN(`DCACHE_LINELENINBITS), .NUMLINES(`DCACHE_WAYSIZEINBYTES*8/LINELEN),
.NUMWAYS(`DCACHE_NUMWAYS), .LOGBWPL(LLENLOGBWPL), .WORDLEN(`LLEN), .MUXINTERVAL(`LLEN), .DCACHE(1)) dcache( .NUMWAYS(`DCACHE_NUMWAYS), .LOGBWPL(LLENLOGBWPL), .WORDLEN(`LLEN), .MUXINTERVAL(`LLEN), .DCACHE(1)) dcache(
.clk, .reset, .Stall(CPUBusy), .SelBusBeat, .FlushStage(FlushW), .CacheRW(CacheRWM), .CacheAtomic(CacheAtomicM), .clk, .reset, .Stall(GatedStallW), .SelBusBeat, .FlushStage(FlushW), .CacheRW(CacheRWM), .CacheAtomic(CacheAtomicM),
.FlushCache(CacheFlushM), .NextAdr(IEUAdrE[11:0]), .PAdr(PAdrM), .FlushCache(CacheFlushM), .NextAdr(IEUAdrE[11:0]), .PAdr(PAdrM),
.ByteMask(ByteMaskM), .BeatCount(BeatCount[AHBWLOGBWPL-1:AHBWLOGBWPL-LLENLOGBWPL]), .ByteMask(ByteMaskM), .BeatCount(BeatCount[AHBWLOGBWPL-1:AHBWLOGBWPL-LLENLOGBWPL]),
.CacheWriteData(LSUWriteDataM), .SelHPTW, .CacheWriteData(LSUWriteDataM), .SelHPTW,
@ -270,7 +270,7 @@ module lsu (
.BeatCount, .SelBusBeat, .CacheReadDataWordM(DCacheReadDataWordM), .WriteDataM(LSUWriteDataM), .BeatCount, .SelBusBeat, .CacheReadDataWordM(DCacheReadDataWordM), .WriteDataM(LSUWriteDataM),
.Funct3(LSUFunct3M), .HADDR(LSUHADDR), .CacheBusAdr(DCacheBusAdr), .CacheBusRW, .CacheableOrFlushCacheM, .Funct3(LSUFunct3M), .HADDR(LSUHADDR), .CacheBusAdr(DCacheBusAdr), .CacheBusRW, .CacheableOrFlushCacheM,
.CacheBusAck(DCacheBusAck), .FetchBuffer, .PAdr(PAdrM), .CacheBusAck(DCacheBusAck), .FetchBuffer, .PAdr(PAdrM),
.Cacheable(CacheableOrFlushCacheM), .BusRW, .Stall(CPUBusy), .Cacheable(CacheableOrFlushCacheM), .BusRW, .Stall(GatedStallW),
.BusStall, .BusCommitted(BusCommittedM)); .BusStall, .BusCommitted(BusCommittedM));
// FetchBuffer[`AHBW-1:0] needs to be duplicated LLENPOVERAHBW times. // FetchBuffer[`AHBW-1:0] needs to be duplicated LLENPOVERAHBW times.
@ -293,7 +293,7 @@ module lsu (
ahbinterface #(1) ahbinterface(.HCLK(clk), .HRESETn(~reset), .Flush(FlushW), .HREADY(LSUHREADY), ahbinterface #(1) ahbinterface(.HCLK(clk), .HRESETn(~reset), .Flush(FlushW), .HREADY(LSUHREADY),
.HRDATA(HRDATA), .HTRANS(LSUHTRANS), .HWRITE(LSUHWRITE), .HWDATA(LSUHWDATA), .HRDATA(HRDATA), .HTRANS(LSUHTRANS), .HWRITE(LSUHWRITE), .HWDATA(LSUHWDATA),
.HWSTRB(LSUHWSTRB), .BusRW, .ByteMask(ByteMaskM), .WriteData(LSUWriteDataM), .HWSTRB(LSUHWSTRB), .BusRW, .ByteMask(ByteMaskM), .WriteData(LSUWriteDataM),
.Stall(CPUBusy), .BusStall, .BusCommitted(BusCommittedM), .FetchBuffer(FetchBuffer)); .Stall(GatedStallW), .BusStall, .BusCommitted(BusCommittedM), .FetchBuffer(FetchBuffer));
if(`DTIM_SUPPORTED) mux2 #(`XLEN) ReadDataMux2(FetchBuffer, DTIMReadDataWordM, SelDTIM, ReadDataWordMuxM); if(`DTIM_SUPPORTED) mux2 #(`XLEN) ReadDataMux2(FetchBuffer, DTIMReadDataWordM, SelDTIM, ReadDataWordMuxM);
else assign ReadDataWordMuxM = FetchBuffer[`XLEN-1:0]; else assign ReadDataWordMuxM = FetchBuffer[`XLEN-1:0];