122 lines
4.4 KiB
Tcl
122 lines
4.4 KiB
Tcl
# Test internal power, leakage power, and power reporting for code coverage
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source ../../test/helpers.tcl
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############################################################
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# Read libraries with power models
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############################################################
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read_liberty ../../test/nangate45/Nangate45_typ.lib
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# Read a design to enable power reporting
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read_verilog ../../sdc/test/sdc_test2.v
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link_design sdc_test2
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# Setup constraints for power analysis
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create_clock -name clk1 -period 10 [get_ports clk1]
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create_clock -name clk2 -period 20 [get_ports clk2]
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set_input_delay -clock clk1 2.0 [get_ports in1]
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set_input_delay -clock clk1 2.0 [get_ports in2]
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set_input_delay -clock clk1 2.0 [get_ports in3]
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set_output_delay -clock clk1 3.0 [get_ports out1]
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set_output_delay -clock clk2 3.0 [get_ports out2]
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set_input_transition 0.1 [get_ports in1]
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set_input_transition 0.1 [get_ports in2]
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set_input_transition 0.1 [get_ports in3]
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############################################################
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# Report power (exercises internal power computation)
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############################################################
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report_power
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report_power -digits 6
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# Report power for specific instances
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report_power -instances [get_cells buf1]
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report_power -instances [get_cells inv1]
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report_power -instances [get_cells and1]
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report_power -instances [get_cells reg1]
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report_power -instances [get_cells reg2]
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report_power -instances [get_cells reg3]
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report_power -instances [get_cells {buf1 inv1 and1 or1 nand1 nor1 reg1 reg2 reg3}]
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############################################################
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# Cell leakage power property (exercises LeakagePower.cc)
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############################################################
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set inv_cell [get_lib_cell NangateOpenCellLibrary/INV_X1]
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set buf_cell [get_lib_cell NangateOpenCellLibrary/BUF_X1]
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set dff_cell [get_lib_cell NangateOpenCellLibrary/DFF_X1]
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set nand_cell [get_lib_cell NangateOpenCellLibrary/NAND2_X1]
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# Area property
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puts "INV_X1 area: [get_property $inv_cell area]"
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puts "BUF_X1 area: [get_property $buf_cell area]"
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puts "DFF_X1 area: [get_property $dff_cell area]"
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############################################################
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# Cell properties - is_buffer, is_inverter, etc.
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############################################################
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puts "INV_X1 is_inverter: [get_property $inv_cell is_inverter]"
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puts "INV_X1 is_buffer: [get_property $inv_cell is_buffer]"
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puts "BUF_X1 is_buffer: [get_property $buf_cell is_buffer]"
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puts "BUF_X1 is_inverter: [get_property $buf_cell is_inverter]"
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puts "DFF_X1 is_buffer: [get_property $dff_cell is_buffer]"
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############################################################
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# Write liberty and re-read (exercises writer power paths)
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############################################################
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set outfile [make_result_file liberty_power_write.lib]
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sta::write_liberty NangateOpenCellLibrary $outfile
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############################################################
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# Read more libraries with power data
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############################################################
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read_liberty ../../test/sky130hd/sky130hd_tt.lib
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# Query sky130 cell leakage powers
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set sky_inv [get_lib_cell sky130_fd_sc_hd__tt_025C_1v80/sky130_fd_sc_hd__inv_1]
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puts "sky130 inv area: [get_property $sky_inv area]"
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# Write sky130 liberty
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set outfile2 [make_result_file liberty_power_write_sky130.lib]
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sta::write_liberty sky130_fd_sc_hd__tt_025C_1v80 $outfile2
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############################################################
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# Read IHP library and query power
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############################################################
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read_liberty ../../test/ihp-sg13g2/sg13g2_stdcell_typ_1p20V_25C.lib
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set ihp_inv [get_lib_cell sg13g2_stdcell_typ_1p20V_25C/sg13g2_inv_1]
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puts "IHP inv area: [get_property $ihp_inv area]"
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############################################################
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# Read ASAP7 CCSN library (CCS timing + power models)
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############################################################
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read_liberty ../../test/asap7_ccsn.lib.gz
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set outfile3 [make_result_file liberty_power_write_ccsn.lib]
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sta::write_liberty asap7sc7p5t_AO_LVT_FF_ccsn_211120 $outfile3
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############################################################
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# Read ASAP7 SEQ for power on sequential cells
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############################################################
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read_liberty ../../test/asap7/asap7sc7p5t_SEQ_RVT_FF_nldm_220123.lib
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set asap7_dff [get_lib_cell asap7sc7p5t_SEQ_RVT_FF_nldm_220123/DFFHQNx1_ASAP7_75t_R]
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puts "ASAP7 DFF area: [get_property $asap7_dff area]"
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