168 lines
5.6 KiB
Tcl
168 lines
5.6 KiB
Tcl
# Test liberty cell/pin/arc property queries for code coverage
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# Targets: Liberty.cc, TimingArc.cc, InternalPower.cc, FuncExpr.cc, TableModel.cc
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read_liberty ../../test/nangate45/Nangate45_typ.lib
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############################################################
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# Library-level properties
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############################################################
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set lib [get_libs NangateOpenCellLibrary]
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# Library iterator
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set lib_iter [sta::liberty_library_iterator]
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# find_liberty
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set found_lib [sta::find_liberty NangateOpenCellLibrary]
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############################################################
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# Cell property queries on various cell types
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############################################################
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# Query cell properties using get_property / report_lib_cell
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# Inverter
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set inv [get_lib_cell NangateOpenCellLibrary/INV_X1]
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report_lib_cell NangateOpenCellLibrary/INV_X1
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# Buffer
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set buf [get_lib_cell NangateOpenCellLibrary/BUF_X1]
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report_lib_cell NangateOpenCellLibrary/BUF_X1
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# Sequential cells - DFF
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set dff [get_lib_cell NangateOpenCellLibrary/DFF_X1]
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report_lib_cell NangateOpenCellLibrary/DFF_X1
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# DFF with reset
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set dffr [get_lib_cell NangateOpenCellLibrary/DFFR_X1]
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report_lib_cell NangateOpenCellLibrary/DFFR_X1
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# DFF with set
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set dffs [get_lib_cell NangateOpenCellLibrary/DFFS_X1]
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report_lib_cell NangateOpenCellLibrary/DFFS_X1
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# DFF with set and reset
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set dffrs [get_lib_cell NangateOpenCellLibrary/DFFRS_X1]
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report_lib_cell NangateOpenCellLibrary/DFFRS_X1
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# Latch
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set latch [get_lib_cell NangateOpenCellLibrary/TLAT_X1]
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report_lib_cell NangateOpenCellLibrary/TLAT_X1
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# Complex cells
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foreach cell_name {AOI21_X1 AOI22_X1 OAI21_X1 OAI22_X1 AOI211_X1 OAI211_X1 \
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HA_X1 FA_X1 XNOR2_X1 XOR2_X1 MUX2_X1 \
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CLKBUF_X1 CLKBUF_X2 CLKBUF_X3 TINV_X1 \
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NAND2_X1 NAND3_X1 NAND4_X1 NOR2_X1 NOR3_X1 NOR4_X1 \
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AND2_X1 AND3_X1 AND4_X1 OR2_X1 OR3_X1 OR4_X1 \
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ANTENNA_X1 FILLCELL_X1 LOGIC0_X1 LOGIC1_X1 \
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CLKGATETST_X1 CLKGATETST_X2 SDFF_X1 SDFFR_X1 SDFFS_X1 SDFFRS_X1} {
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report_lib_cell NangateOpenCellLibrary/$cell_name
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}
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############################################################
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# Pin direction queries
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############################################################
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# Test liberty_port_direction on various pin types
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foreach {cell_name pin_name} {
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INV_X1 A INV_X1 ZN
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BUF_X1 A BUF_X1 Z
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DFF_X1 D DFF_X1 CK DFF_X1 Q DFF_X1 QN
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NAND2_X1 A1 NAND2_X1 A2 NAND2_X1 ZN
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DFFR_X1 RN
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DFFS_X1 SN
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CLKGATETST_X1 CK CLKGATETST_X1 E CLKGATETST_X1 SE CLKGATETST_X1 GCK
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} {
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set pin [get_lib_pin NangateOpenCellLibrary/$cell_name/$pin_name]
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if { $pin != "" } {
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set dir [sta::liberty_port_direction $pin]
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}
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}
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############################################################
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# get_lib_pins and get_lib_cells with various patterns
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############################################################
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# Wildcard patterns
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set all_cells [get_lib_cells NangateOpenCellLibrary/*]
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set inv_cells [get_lib_cells NangateOpenCellLibrary/INV_*]
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set dff_cells [get_lib_cells NangateOpenCellLibrary/DFF*]
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set sdff_cells [get_lib_cells NangateOpenCellLibrary/SDFF*]
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# All pins of a cell
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set inv_pins [get_lib_pins NangateOpenCellLibrary/INV_X1/*]
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set dff_pins [get_lib_pins NangateOpenCellLibrary/DFF_X1/*]
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set dffr_pins [get_lib_pins NangateOpenCellLibrary/DFFR_X1/*]
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set aoi_pins [get_lib_pins NangateOpenCellLibrary/AOI21_X1/*]
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set fa_pins [get_lib_pins NangateOpenCellLibrary/FA_X1/*]
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set clkgate_pins [get_lib_pins NangateOpenCellLibrary/CLKGATETST_X1/*]
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############################################################
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# liberty_supply_exists
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############################################################
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set result [sta::liberty_supply_exists VDD]
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set result [sta::liberty_supply_exists VSS]
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set result [sta::liberty_supply_exists NONEXISTENT]
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############################################################
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# Read ASAP7 SEQ library (exercises different liberty features)
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############################################################
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read_liberty ../../test/asap7/asap7sc7p5t_SEQ_RVT_FF_nldm_220123.lib
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# Query ASAP7 sequential cells
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set asap7_dff [get_lib_cell asap7sc7p5t_SEQ_RVT_FF_nldm_220123/DFFHQNx1_ASAP7_75t_R]
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report_lib_cell asap7sc7p5t_SEQ_RVT_FF_nldm_220123/DFFHQNx1_ASAP7_75t_R
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set asap7_dff_pins [get_lib_pins asap7sc7p5t_SEQ_RVT_FF_nldm_220123/DFFHQNx1_ASAP7_75t_R/*]
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# ICG cell (clock gating)
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set icg [get_lib_cell asap7sc7p5t_SEQ_RVT_FF_nldm_220123/ICGx1_ASAP7_75t_R]
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report_lib_cell asap7sc7p5t_SEQ_RVT_FF_nldm_220123/ICGx1_ASAP7_75t_R
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############################################################
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# Read IHP library (different vendor, different features)
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############################################################
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read_liberty ../../test/ihp-sg13g2/sg13g2_stdcell_typ_1p20V_25C.lib
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# Tristate buffer
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set ebufn [get_lib_cell sg13g2_stdcell_typ_1p20V_25C/sg13g2_ebufn_2]
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report_lib_cell sg13g2_stdcell_typ_1p20V_25C/sg13g2_ebufn_2
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# Scan DFF
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set sdff [get_lib_cell sg13g2_stdcell_typ_1p20V_25C/sg13g2_sdfbbp_1]
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if { $sdff != "" } {
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report_lib_cell sg13g2_stdcell_typ_1p20V_25C/sg13g2_sdfbbp_1
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}
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############################################################
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# Read Sky130 library
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############################################################
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read_liberty ../../test/sky130hd/sky130hd_tt.lib
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# Query sky130 cells
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report_lib_cell sky130_fd_sc_hd__tt_025C_1v80/sky130_fd_sc_hd__inv_1
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# Query all sky130 cells
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set sky_cells [get_lib_cells sky130_fd_sc_hd__tt_025C_1v80/*]
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############################################################
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# Write liberty
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############################################################
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source ../../test/helpers.tcl
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set outfile [make_result_file liberty_properties_write.lib]
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sta::write_liberty NangateOpenCellLibrary $outfile
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