118 lines
4.4 KiB
Tcl
Executable File
118 lines
4.4 KiB
Tcl
Executable File
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#########################################################
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# 2_synthesize_optimize.tcl
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#
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# Description: Synthesize and optimize the
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# DEMO CHIP and generate
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# the Oasys-RTL databases.
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#
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# Usage: source in Oasys-RTL Command prompt
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#
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# Dependencies: init_design.tcl
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# 1_read_design.tcl
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# Launched from Oasys-RTL shell
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#
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#########################################################
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#=======================================================#
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#Check Status of Flow and load prior scripts if needed
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#=======================================================#
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set script_dir [file dirname [info script]]
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set ekit_dir [file dirname ${script_dir}]
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#Check if dependent scripts have been loaded
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if {![info exists top_module]} {
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source ${script_dir}/init_design.tcl
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source ${script_dir}/1_read_design.tcl
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}
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#=======================================================#
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#Synthesize the DEMO CHIP RTL core
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#=======================================================#
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if {![file exists ${ekit_dir}/demo_chip_rtl/rtl/nova/trunk/src/Intra4x4_PredMode_decoding.v]} {
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puts "ERROR: RTL source files from OpenCores.org were not found.\n"
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puts "You can read a design database for a previously optimized design"
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puts "by running the following command:\n"
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puts "read_db ${ekit_dir}/demo_chip_rtl/demo_chip.odb\n\n"
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return
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}
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#Perform Synthesis
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synthesize -module ${top_module} -map_to_scan -gate_clock
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set_route_layer_max_usage metal2 0.5
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set_route_layer_max_usage metal3 0.8
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set_route_layer_max_usage metal6 0.8
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write_db ${output_dir}/odb/demo_chip.syn.odb
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#=======================================================#
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##Read constraints (logical and physical)
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#=======================================================#
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read_sdc -verbose $demo_chip_sdc_files
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#read_sdc -verbose constraints/cts_constraints.sdc
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report_design_metrics
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check_timing
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# Create User Path groups
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group_path -name I2R -from [all_inputs]
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group_path -name I2O -from [all_inputs] -to [all_outputs]
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group_path -name R2O -to [all_outputs]
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report_path_groups
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#=======================================================#
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#Optimize for timing
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#=======================================================#
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optimize -virtual
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write_db ${output_dir}/odb/demo_chip.virtual_opt.odb
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report_timing
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report_path_groups
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######################################################################
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# create_chip with appropriate bloackages for IO pads
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######################################################################
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redirect -file ${output_dir}/demo_chip.create_chip.log { create_chip -bottom_clearance 30 -left_clearance 30 -right_clearance 30 -top_clearance 30 -utilization 60 }
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set die [ exec cat ${output_dir}/demo_chip.create_chip.log | grep "create new die" | cut -c46-56 ]
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set core [ expr $die - 30]
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create_blockage -name blk_top -type macro -left 0 -right $die -bottom $core -top $die
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create_blockage -name blk_bottom -type macro -left 0 -right $die -bottom 0 -top 30
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create_blockage -name blk_left -type macro -left 0 -right 30 -bottom 0 -top $die
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create_blockage -name blk_right -type macro -left $core -right $die -bottom 0 -top $die
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#optimize for placement
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optimize -place
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write_db ${output_dir}/odb/demo_chip.placed_opt.odb
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report_timing
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report_path_groups
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echo "\n-------------------------------------"
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echo "\nSynthesis and optimization complete"
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echo "\n-------------------------------------\n"
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#=======================================================#
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#Perform DFT
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#=======================================================#
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if {[info exists dft_flow] && [string match $dft_flow tessent]} {
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puts "INFO::Running oasys Tessent DFT flow"
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source scripts/oasys_tessent_dft.tcl
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echo "\n-------------------------------------"
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echo "\n Tessent DFT complete"
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echo "\n-------------------------------------\n"
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} elseif {[info exists dft_flow] && [string match $dft_flow oasys]} {
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puts "INFO::Running oasys native DFT flow"
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source scripts/oasys_dft.tcl
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report_scan_chains
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echo "\n-------------------------------------"
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echo "\n Oasys DFT complete"
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echo "\n-------------------------------------\n"
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} else {
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puts "\nINFO:: 'dft_flow' variable not set to 'tessent' or 'oasys'."
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puts " skipping DFT flow. 'source' following script to run DFT"
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puts " source ${ekit_dir}/scripts/oasys_dft.tcl"
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puts " source ${ekit_dir}/scripts/oasys_tessent_dft.tcl"
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}
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#exit
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