# # Synthesis Synopsys Flow # james.stine@okstate.edu 27 Sep 2015 # # get outputDir from environment (Makefile) set outputDir $::env(OUTPUTDIR) set cfgName $::env(CONFIG) # Config set hdl_src "../pipelined/src" set cfg "${hdl_src}/../config/${cfgName}/wally-config.vh" set saifpower $::env(SAIFPOWER) eval file copy -force ${cfg} {hdl/} eval file copy -force ${cfg} $outputDir eval file copy -force [glob ${hdl_src}/../config/shared/*.vh] {hdl/} eval file copy -force [glob ${hdl_src}/*/*.sv] {hdl/} eval file copy -force [glob ${hdl_src}/*/flop/*.sv] {hdl/} # Enables name mapping if { $saifpower == 1 } { saif_map -start } # Verilog files set my_verilog_files [glob hdl/*] # Set toplevel set my_toplevel $::env(DESIGN) # Set number of significant digits set report_default_significant_digits 6 # V(HDL) Unconnectoed Pins Output set verilogout_show_unconnected_pins "true" set vhdlout_show_unconnected_pins "true" # Due to parameterized Verilog must use analyze/elaborate and not # read_verilog/vhdl (change to pull in Verilog and/or VHDL) # define_design_lib WORK -path ./WORK analyze -f sverilog -lib WORK $my_verilog_files # # Added if you had any VHDL # analyze -f vhdl -lib WORK $my_vhdl_files # elaborate $my_toplevel -lib WORK # Set the current_design current_design $my_toplevel link # Reset all constraints reset_design # Power Dissipation Analysis ######### OPTIONAL !!!!!!!!!!!!!!!! if { $saifpower == 1 } { read_saif -input power.saif -instance_name testbench/dut/core -auto_map_names -verbose } # Set reset false path set_false_path -from [get_ports reset] # Set Frequency in [MHz] or [ps] set my_clock_pin clk set my_uncertainty 0.0 set my_clk_freq_MHz $::env(FREQ) set my_period [expr 1000.0 / $my_clk_freq_MHz] # Create clock object set find_clock [ find port [list $my_clock_pin] ] if { $find_clock != [list] } { echo "Found clock!" set my_clk $my_clock_pin create_clock -period $my_period $my_clk set_clock_uncertainty $my_uncertainty [get_clocks $my_clk] } else { echo "Did not find clock! Design is probably combinational!" set my_clk vclk create_clock -period $my_period -name $my_clk } # Partitioning - flatten or hierarchically synthesize # ungroup -all -flatten -simple_names # Set input pins except clock set all_in_ex_clk [remove_from_collection [all_inputs] [get_ports $my_clk]] # Specifies delays be propagated through the clock network # set_propagated_clock [get_clocks $my_clk] # Setting constraints on input ports #set_driving_cell -lib_cell scc9gena_dfxbp_1 -pin Q $all_in_ex_clk if {$tech == "130"} { set_driving_cell -lib_cell sky130_osu_sc_12T_ms__dff_1 -pin Q $all_in_ex_clk } elseif {$tech == "90"} { set_driving_cell -lib_cell scc9gena_dfxbp_1 -pin Q $all_in_ex_clk } # Set input/output delay set_input_delay 0.0 -max -clock $my_clk $all_in_ex_clk set_output_delay 0.0 -max -clock $my_clk [all_outputs] # Setting load constraint on output ports #set_load [expr [load_of scc9gena_tt_1.2v_25C/scc9gena_dfxbp_1/D] * 1] [all_outputs] if {$tech == "130"} { set_load [expr [load_of sky130_osu_sc_12T_ms_TT_1P8_25C.ccs/sky130_osu_sc_12T_ms__dff_1/D] * 1] [all_outputs] } elseif {$tech == "90"} { set_load [expr [load_of scc9gena_tt_1.2v_25C/scc9gena_dfxbp_1/D] * 1] [all_outputs] } # Set the wire load model set_wire_load_mode "top" # Attempt Area Recovery - if looking for minimal area # set_max_area 2000 # Set fanout set_max_fanout 6 $all_in_ex_clk # Fix hold time violations #set_fix_hold [all_clocks] # Deal with constants and buffers to isolate ports set_fix_multiple_port_nets -all -buffer_constants # setting up the group paths to find out the required timings # group_path -name OUTPUTS -to [all_outputs] # group_path -name INPUTS -from [all_inputs] # group_path -name COMBO -from [all_inputs] -to [all_outputs] # Save Unmapped Design set filename [format "%s%s%s%s" $outputDir "/unmapped/" $my_toplevel ".ddc"] write_file -format ddc -hierarchy -o $filename # Compile statements compile_ultra -no_seq_output_inversion -no_boundary_optimization # Eliminate need for assign statements (yuck!) set verilogout_no_tri true set verilogout_equation false # setting to generate output files set write_v 1 ;# generates structual netlist set write_sdc 1 ;# generates synopsys design constraint file for p&r set write_ddc 1 ;# compiler file in ddc format set write_sdf 1 ;# sdf file for backannotated timing sim set write_pow 1 ;# genrates estimated power report set write_rep 1 ;# generates estimated area and timing report set write_cst 1 ;# generate report of constraints set write_hier 1 ;# generate hierarchy report # Report Constraint Violators set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_constraint_all_violators.rpt"] redirect $filename {report_constraint -all_violators} # Check design redirect $outputDir/reports/check_design.rpt { check_design } # Report Final Netlist (Hierarchical) set filename [format "%s%s%s%s" $outputDir "/mapped/" $my_toplevel ".vh"] write_file -f verilog -hierarchy -output $filename set filename [format "%s%s%s%s" $outputDir "/mapped/" $my_toplevel ".sdc"] write_sdc $filename set filename [format "%s%s%s%s" $outputDir "/mapped/" $my_toplevel ".ddc"] write_file -format ddc -hierarchy -o $filename set filename [format "%s%s%s%s" $outputDir "/mapped/" $my_toplevel ".sdf"] write_sdf $filename # QoR set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_qor.rep"] redirect $filename { report_qor } # Report Timing set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_reportpath.rep"] redirect $filename { report_path_group } set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_report_clock.rep"] redirect $filename { report_clock } set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_timing.rep"] redirect $filename { report_timing -capacitance -transition_time -nets -nworst 1 } set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_per_module_timing.rep"] redirect -append $filename { echo "\n\n\n//////////////// Critical paths through ifu ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ifu/*} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical paths through ieu ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/*} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical paths through lsu ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {lsu/*} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical paths through ebu (ahblite) ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ebu/*} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical paths through mdu ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {mdu/*} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical paths through hzu ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {hzu/*} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical paths through priv ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {priv/*} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical paths through fpu ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {fpu/*} -nworst 1 } set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_mdu_timing.rep"] redirect -append $filename { echo "\n\n\n//////////////// Critical paths through entire mdu ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {mdu/*} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical paths through multiply unit ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {mdu/genblk1.mul/*} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical paths through redundant multiplier ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {mdu/genblk1.mul/bigmul/*} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical path through ProdM (mul output) ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {mdu/genblk1.ProdM} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical path through PP0E (mul partial product) ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {mdu/genblk1.mul/PP0E} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical paths through divide unit ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {mdu/genblk1.div/*} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical path through QuotM (div output) ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {mdu/genblk1.QuotM} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical path through RemM (div output) ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {mdu/genblk1.RemM} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical path through div/WNextE ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {mdu/genblk1.div/WNextE} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical path through div/XQNextE ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {mdu/genblk1.div/XQNextE} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical path through div/DAbsBE ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {mdu/genblk1.div/DAbsBE} -nworst 1 } # set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_fpu_timing.rep"] # redirect $filename { echo "\n\n\n//////////////// Critical paths through fma ////////////////\n\n\n" } # redirect -append $filename { report_timing -capacitance -transition_time -nets -through {fpu/fpu.fma/*} -nworst 1 } # redirect -append $filename { echo "\n\n\n//////////////// Critical paths through fpdiv ////////////////\n\n\n" } # redirect -append $filename { report_timing -capacitance -transition_time -nets -through {fpu/fpu.fdivsqrt/*} -nworst 1 } # redirect -append $filename { echo "\n\n\n//////////////// Critical paths through faddcvt ////////////////\n\n\n" } # redirect -append $filename { report_timing -capacitance -transition_time -nets -through {fpu/fpu.faddcvt/*} -nworst 1 } set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_ifu_timing.rep"] redirect -append $filename { echo "\n\n\n//////////////// Critical path through PCF ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ifu/PCF} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical path through PCNextF ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ifu/PCNextF} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical path through FinalInstrRawF ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ifu/FinalInstrRawF} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical path through InstrD ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ifu/decomp/InstrD} -nworst 1 } set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_stall_flush_timing.rep"] redirect -append $filename { echo "\n\n\n//////////////// Critical path through StallD ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/StallD} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical path through StallE ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/StallE} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical path through StallM ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/StallM} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical path through StallW ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/StallW} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical path through FlushD ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/FlushD} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical path through FlushE ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/FlushE} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical path through FlushM ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/FlushM} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical path through FlushW ////////////////\n\n\n" } 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"] redirect -append $filename { echo "\n\n\n//////////////// Critical path through datapath/RD1D ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/dp/RD1D} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical path through datapath/RD2D ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ieu/dp/RD2D} -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 { 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 { 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 { 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 { report_timing -capacitance -transition_time -nets -through {ieu/dp/ReadDataM} -nworst 1 } set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_fpu_timing.rep"] redirect -append $filename { echo "\n\n\n//////////////// Critical paths through fma ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {fpu/fpu.fma/*} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical paths through fpdiv ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {fpu/fpu.fdivsqrt/*} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical paths through faddcvt ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {fpu/fpu.faddcvt/*} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical paths through FMAResM ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {fpu/fpu.FMAResM} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical paths through FDivResM ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {fpu/fpu.FDivResM} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical paths through FResE ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {fpu/fpu.FResE} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical paths through fma/SumE ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {fpu/fpu.fma/SumE} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical paths through fma/ProdExpE ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {fpu/fpu.fma/ProdExpE} -nworst 1 } set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_mmu_timing.rep"] redirect -append $filename { echo "\n\n\n//////////////// Critical paths through immu/physicaladdress ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {ifu/immu/PhysicalAddress} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical paths through dmmu/physicaladdress ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {lsu/dmmu/PhysicalAddress} -nworst 1 } set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_priv_timing.rep"] redirect -append $filename { echo "\n\n\n//////////////// Critical paths through priv/TrapM ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {priv/TrapM} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical paths through priv/CSRReadValM ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {priv/csr/CSRReadValM} -nworst 1 } redirect -append $filename { echo "\n\n\n//////////////// Critical paths through priv/CSRReadValW ////////////////\n\n\n" } redirect -append $filename { report_timing -capacitance -transition_time -nets -through {priv/CSRReadValW} -nworst 1 } set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_min_timing.rep"] redirect $filename { report_timing -delay min } set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_area.rep"] redirect $filename { report_area -hierarchy -nosplit -physical -designware} set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_cell.rep"] redirect $filename { report_cell [get_cells -hier *] } set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_power.rep"] redirect $filename { report_power -hierarchy -levels 1 } set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_constraint.rep"] redirect $filename { report_constraint } set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_hier.rep"] redirect $filename { report_hierarchy } #Quit #quit