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Kevin Kim 2023-08-29 08:31:23 -07:00
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synthDC/scripts/synthWrapper.tcl
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#
# Synthesis Synopsys Flow
# james.stine@okstate.edu 27 Sep 2015
# kekim@hmc.edu
# start run clock
set t1 [clock seconds]
# Ignore unnecessary warnings:
# intraassignment delays for nonblocking assignments are ignored
suppress_message {VER-130}
# statements in initial blocks are ignored
suppress_message {VER-281}
suppress_message {VER-173}
# Enable Multicore
set_host_options -max_cores $::env(MAXCORES)
# get outputDir and configDir from environment (Makefile)
set outputDir $::env(OUTPUTDIR)
set cfg $::env(CONFIGDIR)
set hdl_src "../src"
set saifpower $::env(SAIFPOWER)
set maxopt $::env(MAXOPT)
set drive $::env(DRIVE)
eval file copy -force [glob ${cfg}/*.vh] {$outputDir/hdl/}
eval file copy -force [glob ${hdl_src}/cvw.sv] {$outputDir/hdl/}
#eval file copy -force [glob ${hdl_src}/../fpga/src/wallypipelinedsocwrapper.sv] {$outputDir/hdl/}
eval file copy -force [glob ${hdl_src}/*/*.sv] {$outputDir/hdl/}
eval file copy -force [glob ${hdl_src}/*/*/*.sv] {$outputDir/hdl/}
eval file copy -force [glob ${hdl_src}/../synthDC/wrappers/$::env(DESIGN)wrapper.sv] {$outputDir/hdl/}
# Only for FMA class project; comment out when done
# eval file copy -force [glob ${hdl_src}/fma/fma16.v] {hdl/}
# Enables name mapping
if { $saifpower == 1 } {
saif_map -start
}
# Verilog files
set my_verilog_files [glob $outputDir/hdl/cvw.sv $outputDir/hdl/*.sv]
# Set toplevel
set my_toplevel $::env(DESIGN)wrapper
# 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"
# Set up MW List
set MY_LIB_NAME $my_toplevel
# Create MW
if { [shell_is_in_topographical_mode] } {
echo "In Topographical Mode...processing\n"
create_mw_lib -technology $MW_REFERENCE_LIBRARY/$MW_TECH_FILE.tf \
-mw_reference_library $mw_reference_library $outputDir/$MY_LIB_NAME
# Open MW
open_mw_lib $outputDir/$MY_LIB_NAME
# TLU+
set_tlu_plus_files -max_tluplus $MAX_TLU_FILE -min_tluplus $MIN_TLU_FILE \
-tech2itf_map $PRS_MAP_FILE
} else {
echo "In normal DC mode...processing\n"
}
# Due to parameterized Verilog must use analyze/elaborate and not
# read_verilog/vhdl (change to pull in Verilog and/or VHDL)
#
#set alib_library_analysis_path ./$outputDir
define_design_lib WORK -path ./$outputDir/WORK
analyze -f sverilog -lib WORK $my_verilog_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 { $saifpower == 1 } {
read_saif -input power.saif -instance_name testbench/dut/core -auto_map_names -verbose
}
# Set reset false path
if {$drive != "INV"} {
set_false_path -from [get_ports reset]
}
if {(($::env(DESIGN) == "ppa_mux2d_1") || ($::env(DESIGN) == "ppa_mux4d_1") || ($::env(DESIGN) == "ppa_mux8d_1"))} {
set_false_path -from {s}
}
# Set Frequency in [MHz] or period in [ns]
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
}
# Optimize paths that are close to critical
set_critical_range 0.05 $current_design
# Partitioning - flatten or hierarchically synthesize
if { $maxopt == 1 } {
ungroup -all -simple_names -flatten
}
# 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
# This is getting optimized poorly in the current flow, causing a lot of clock skew
# and unrealistic bad timing results.
# set_propagated_clock [get_clocks $my_clk]
# Setting constraints on input ports
if {$tech == "sky130"} {
set_driving_cell -lib_cell sky130_osu_sc_12T_ms__dff_1 -pin Q $all_in_ex_clk
} elseif {$tech == "sky90"} {
if {$drive == "INV"} {
set_driving_cell -lib_cell scc9gena_inv_1 -pin Y $all_in_ex_clk
} elseif {$drive == "FLOP"} {
set_driving_cell -lib_cell scc9gena_dfxbp_1 -pin Q $all_in_ex_clk
}
} elseif {$tech == "tsmc28" || $tech=="tsmc28psyn"} {
if {$drive == "INV"} {
set_driving_cell -lib_cell INVD1BWP30P140 -pin ZN $all_in_ex_clk
} elseif {$drive == "FLOP"} {
set_driving_cell -lib_cell DFQD1BWP30P140 -pin Q $all_in_ex_clk
}
}
# Set input/output delay
if {$drive == "FLOP"} {
set_input_delay 0.0 -max -clock $my_clk $all_in_ex_clk
set_output_delay 0.0 -max -clock $my_clk [all_outputs]
} else {
set_input_delay 0.0 -max -clock $my_clk $all_in_ex_clk
set_output_delay 0.0 -max -clock $my_clk [all_outputs]
}
# Setting load constraint on output ports
if {$tech == "sky130"} {
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 {$tech == "sky90"} {
if {$drive == "INV"} {
set_load [expr [load_of scc9gena_tt_1.2v_25C/scc9gena_inv_4/A] * 1] [all_outputs]
} elseif {$drive == "FLOP"} {
set_load [expr [load_of scc9gena_tt_1.2v_25C/scc9gena_dfxbp_1/D] * 1] [all_outputs]
}
} elseif {$tech == "tsmc28" || $tech == "tsmc28psyn"} {
if {$drive == "INV"} {
set_load [expr [load_of tcbn28hpcplusbwp30p140tt0p9v25c/INVD4BWP30P140/I] * 1] [all_outputs]
} elseif {$drive == "FLOP"} {
set_load [expr [load_of tcbn28hpcplusbwp30p140tt0p9v25c/DFQD1BWP30P140/D] * 1] [all_outputs]
}
}
if {$tech != "tsmc28psyn"} {
# Set the wire load model
set_wire_load_mode "top"
}
# Set switching activities
# default activity factors are 1 for clocks, 0.1 for others
# static probability of 0.5 is used for leakage
# 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 (DH: this doesn't seem to be working right now)
#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
if { $maxopt == 1 } {
compile_ultra -retime
optimize_registers
} else {
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" $outputDir "/reports/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 ".sv"]
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" $outputDir "/reports/qor.rep"]
redirect $filename { report_qor }
# Report Timing
set filename [format "%s%s" $outputDir "/reports/reportpath.rep"]
#redirect $filename { report_path_group }
set filename [format "%s%s" $outputDir "/reports/report_clock.rep"]
# redirect $filename { report_clock }
set filename [format "%s%s" $outputDir "/reports/timing.rep"]
redirect $filename { report_timing -capacitance -transition_time -nets -nworst 1 }
set filename [format "%s%s" $outputDir "/reports/mindelay.rep"]
redirect $filename { report_timing -capacitance -transition_time -nets -delay_type min -nworst 1 }
set filename [format "%s%s" $outputDir "/reports/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" $outputDir "/reports/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/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/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/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/ieu_timing.rep"]
# 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/R1D} -nworst 1 }
# 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/R2D} -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/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/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 {fma/*} -nworst 1 }
# redirect -append $filename { echo "\n\n\n//// Critical paths through fma1 ////\n\n\n" }
# redirect -append $filename { report_timing -capacitance -transition_time -nets -through {fma/fma1/*} -nworst 1 }
# redirect -append $filename { echo "\n\n\n//// Critical paths through fma2 ////\n\n\n" }
# redirect -append $filename { report_timing -capacitance -transition_time -nets -through {postprocess/*} -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 {divsqrt/*} -nworst 1 }
# redirect -append $filename { echo "\n\n\n//// Critical paths through fcvt ////\n\n\n" }
# redirect -append $filename { report_timing -capacitance -transition_time -nets -through {fcvt/*} -nworst 1 }
# set filename [format "%s%s%s%s" $outputDir "/reports/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/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" $outputDir "/reports/area.rep"]
redirect $filename { report_area -hierarchy -nosplit -physical -designware}
set filename [format "%s%s" $outputDir "/reports/cell.rep"]
#redirect $filename { report_cell [get_cells -hier *] } # not too useful
set filename [format "%s%s" $outputDir "/reports/power.rep"]
redirect $filename { report_power -hierarchy -levels 1 }
set filename [format "%s%s" $outputDir "/reports/constraint.rep"]
redirect $filename { report_constraint }
set filename [format "%s%s" $outputDir "/reports/hier.rep"]
# redirect $filename { report_hierarchy }
# end run clock and echo run time in minutes
set t2 [clock seconds]
set t [expr $t2 - $t1]
echo [expr $t/60]
quit