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Synthesis cleanup

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This commit is contained in:
David Harris 2022-02-12 06:25:12 +00:00
parent b537df2651
commit f5678e25db
2 changed files with 11 additions and 14 deletions
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7
pipelined/src/ifu/ifu.sv
View File

@ -98,6 +98,7 @@ module ifu (
logic [`XLEN-1:0] PCD; logic [`XLEN-1:0] PCD;
localparam [31:0] nop = 32'h00000013; // instruction for NOP localparam [31:0] nop = 32'h00000013; // instruction for NOP
logic [31:0] NextInstrD, NextInstrE;
logic [`XLEN-1:0] PCBPWrongInvalidate; logic [`XLEN-1:0] PCBPWrongInvalidate;
@ -308,8 +309,10 @@ module ifu (
flopenr #(`XLEN) InstrMisalignedAdrReg(clk, reset, ~StallM, PCNextF, InstrMisalignedAdrM); flopenr #(`XLEN) InstrMisalignedAdrReg(clk, reset, ~StallM, PCNextF, InstrMisalignedAdrM);
// Instruction and PC/PCLink pipeline registers // Instruction and PC/PCLink pipeline registers
flopenr #(32) InstrEReg(clk, reset, ~StallE, FlushE ? nop : InstrD, InstrE); mux2 #(32) FlushInstrEMux(InstrD, nop, FlushE, NextInstrD);
flopenr #(32) InstrMReg(clk, reset, ~StallM, FlushM ? nop : InstrE, InstrM); mux2 #(32) FlushInstrMMux(InstrE, nop, FlushM, NextInstrE);
flopenr #(32) InstrEReg(clk, reset, ~StallE, NextInstrD, InstrE);
flopenr #(32) InstrMReg(clk, reset, ~StallM, NextInstrE, InstrM);
flopenr #(`XLEN) PCEReg(clk, reset, ~StallE, PCD, PCE); flopenr #(`XLEN) PCEReg(clk, reset, ~StallE, PCD, PCE);
flopenr #(`XLEN) PCMReg(clk, reset, ~StallM, PCE, PCM); flopenr #(`XLEN) PCMReg(clk, reset, ~StallM, PCE, PCM);
flopenr #(`XLEN) PCPDReg(clk, reset, ~StallD, PCPlus2or4F, PCLinkD); flopenr #(`XLEN) PCPDReg(clk, reset, ~StallD, PCPlus2or4F, PCLinkD);

18
synthDC/scripts/synth.tcl
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@ -265,20 +265,14 @@ redirect -append $filename { echo "\n\n\n//// Critical path through FlushW ////\
redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/FlushW} -nworst 1 } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/FlushW} -nworst 1 }
set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_ieu_timing.rep"] set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_ieu_timing.rep"]
redirect -append $filename { echo "\n\n\n//// Critical path through datapath/RD1D ////\n\n\n" } redirect -append $filename { echo "\n\n\n//// Critical path through datapath/R1D ////\n\n\n" }
redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/dp/RD1D} -nworst 1 } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/dp/R1D} -nworst 1 }
redirect -append $filename { echo "\n\n\n//// Critical path through datapath/RD2D ////\n\n\n" } redirect -append $filename { echo "\n\n\n//// Critical path through datapath/R2D ////\n\n\n" }
redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/dp/RD2D} -nworst 1 } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/dp/R2D} -nworst 1 }
redirect -append $filename { echo "\n\n\n//// Critical path through datapath/PreSrcAE ////\n\n\n" }
redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/dp/PreSrcAE} -nworst 1 }
redirect -append $filename { echo "\n\n\n//// Critical path through datapath/SrcAE ////\n\n\n" } redirect -append $filename { echo "\n\n\n//// Critical path through datapath/SrcAE ////\n\n\n" }
redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/dp/SrcAE} -nworst 1 } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/dp/SrcAE} -nworst 1 }
redirect -append $filename { echo "\n\n\n//// Critical path through datapath/ALUResultE ////\n\n\n" } redirect -append $filename { echo "\n\n\n//// Critical path through datapath/ALUResultE ////\n\n\n" }
redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/dp/ALUResultE} -nworst 1 } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/dp/ALUResultE} -nworst 1 }
redirect -append $filename { echo "\n\n\n//// Critical path through datapath/WriteDataE ////\n\n\n" }
redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/dp/WriteDataE} -nworst 1 }
redirect -append $filename { echo "\n\n\n//// Critical path through dataphath/ResultM ////\n\n\n" }
redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/dp/ResultM} -nworst 1 }
redirect -append $filename { echo "\n\n\n//// Critical path through datapath/WriteDataW ////\n\n\n" } redirect -append $filename { echo "\n\n\n//// Critical path through datapath/WriteDataW ////\n\n\n" }
redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/dp/WriteDataW} -nworst 1 } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/dp/WriteDataW} -nworst 1 }
redirect -append $filename { echo "\n\n\n//// Critical path through datapath/ReadDataM ////\n\n\n" } redirect -append $filename { echo "\n\n\n//// Critical path through datapath/ReadDataM ////\n\n\n" }
@ -323,7 +317,7 @@ set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_area.rep"
redirect $filename { report_area -hierarchy -nosplit -physical -designware} redirect $filename { report_area -hierarchy -nosplit -physical -designware}
set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_cell.rep"] set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_cell.rep"]
redirect $filename { report_cell [get_cells -hier *] } # redirect $filename { report_cell [get_cells -hier *] }
set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_power.rep"] set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_power.rep"]
redirect $filename { report_power -hierarchy -levels 1 } redirect $filename { report_power -hierarchy -levels 1 }
@ -332,6 +326,6 @@ set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_constrain
redirect $filename { report_constraint } redirect $filename { report_constraint }
set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_hier.rep"] set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_hier.rep"]
redirect $filename { report_hierarchy } # redirect $filename { report_hierarchy }
quit quit