| #!/usr/bin/tclsh |
| # Copyright 2020 Efabless Corporation |
| # Copyright 2020 Sylvain Munaut |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| |
| package require openlane; |
| |
| proc run_floorplan_yifive {args} { |
| puts_info "Running Floorplanning for yifive..." |
| # |----------------------------------------------------| |
| # |---------------- 2. FLOORPLAN ------------------| |
| # |----------------------------------------------------| |
| # |
| set script_dir [file dirname [file normalize [info script]]] |
| # intial fp |
| init_floorplan |
| |
| |
| # place io |
| if { [info exists ::env(FP_PIN_ORDER_CFG)] } { |
| place_io_ol |
| } else { |
| if { [info exists ::env(FP_CONTEXT_DEF)] && [info exists ::env(FP_CONTEXT_LEF)] } { |
| place_io |
| global_placement_or |
| place_contextualized_io \ |
| -lef $::env(FP_CONTEXT_LEF) \ |
| -def $::env(FP_CONTEXT_DEF) |
| } else { |
| place_io |
| } |
| } |
| |
| apply_def_template |
| |
| if { [info exist ::env(EXTRA_LEFS)] } { |
| if { [info exist ::env(MACRO_PLACEMENT_CFG)] } { |
| file copy -force $::env(MACRO_PLACEMENT_CFG) $::env(TMP_DIR)/macro_placement.cfg |
| manual_macro_placement f |
| } else { |
| global_placement_or |
| basic_macro_placement |
| } |
| } |
| |
| # tapcell |
| tap_decap_or |
| scrot_klayout -layout $::env(CURRENT_DEF) |
| puts_info "Running pdn_gen for yifive..." |
| # power grid generation |
| #run_power_grid_generation |
| set ::env(SAVE_DEF) [index_file $::env(pdn_tmp_file_tag).def] |
| try_catch openroad -exit $script_dir/gen_pdn.tcl \ |
| |& tee $::env(TERMINAL_OUTPUT) [index_file $::env(pdn_log_file_tag).log 0] |
| |
| set_def $::env(SAVE_DEF) |
| } |
| |
| proc run_power_grid_generation {args} { |
| if { [info exists ::env(VDD_NETS)] || [info exists ::env(GND_NETS)] } { |
| # they both must exist and be equal in length |
| # current assumption: they cannot have a common ground |
| if { ! [info exists ::env(VDD_NETS)] || ! [info exists ::env(GND_NETS)] } { |
| puts_err "VDD_NETS and GND_NETS must *both* either be defined or undefined" |
| return -code error |
| } |
| } elseif { [info exists ::env(SYNTH_USE_PG_PINS_DEFINES)] } { |
| set ::env(VDD_NETS) [list] |
| set ::env(GND_NETS) [list] |
| # get the pins that are in $yosys_tmp_file_tag.pg_define.v |
| # that are not in $yosys_result_file_tag.v |
| # |
| set full_pins {*}[extract_pins_from_yosys_netlist $::env(yosys_tmp_file_tag).pg_define.v] |
| puts_info $full_pins |
| |
| set non_pg_pins {*}[extract_pins_from_yosys_netlist $::env(yosys_result_file_tag).v] |
| puts_info $non_pg_pins |
| |
| # assumes the pins are ordered correctly (e.g., vdd1, vss1, vcc1, vss1, ...) |
| foreach {vdd gnd} $full_pins { |
| if { $vdd ne "" && $vdd ni $non_pg_pins } { |
| lappend ::env(VDD_NETS) $vdd |
| } |
| if { $gnd ne "" && $gnd ni $non_pg_pins } { |
| lappend ::env(GND_NETS) $gnd |
| } |
| } |
| } else { |
| set ::env(VDD_NETS) $::env(VDD_PIN) |
| set ::env(GND_NETS) $::env(GND_PIN) |
| } |
| |
| puts_info "Power planning the following nets" |
| puts_info "Power: $::env(VDD_NETS)" |
| puts_info "Ground: $::env(GND_NETS)" |
| |
| if { [llength $::env(VDD_NETS)] != [llength $::env(GND_NETS)] } { |
| puts_err "VDD_NETS and GND_NETS must be of equal lengths" |
| return -code error |
| } |
| |
| # generate multiple power grids per pair of (VDD,GND) |
| # offseted by WIDTH + SPACING |
| foreach vdd $::env(VDD_NETS) gnd $::env(GND_NETS) { |
| set ::env(VDD_NET) $vdd |
| set ::env(GND_NET) $gnd |
| |
| gen_pdn |
| |
| set ::env(FP_PDN_ENABLE_RAILS) 0 |
| |
| # allow failure until open_pdks is up to date... |
| catch {set ::env(FP_PDN_VOFFSET) [expr $::env(FP_PDN_VOFFSET)+$::env(FP_PDN_VWIDTH)+$::env(FP_PDN_VSPACING)]} |
| catch {set ::env(FP_PDN_HOFFSET) [expr $::env(FP_PDN_HOFFSET)+$::env(FP_PDN_HWIDTH)+$::env(FP_PDN_HSPACING)]} |
| |
| catch {set ::env(FP_PDN_CORE_RING_VOFFSET) \ |
| [expr $::env(FP_PDN_CORE_RING_VOFFSET)\ |
| +2*($::env(FP_PDN_CORE_RING_VWIDTH)\ |
| +max($::env(FP_PDN_CORE_RING_VSPACING), $::env(FP_PDN_CORE_RING_HSPACING)))]} |
| catch {set ::env(FP_PDN_CORE_RING_HOFFSET) [expr $::env(FP_PDN_CORE_RING_HOFFSET)\ |
| +2*($::env(FP_PDN_CORE_RING_HWIDTH)+\ |
| max($::env(FP_PDN_CORE_RING_VSPACING), $::env(FP_PDN_CORE_RING_HSPACING)))]} |
| } |
| set ::env(FP_PDN_ENABLE_RAILS) 1 |
| } |
| |
| proc run_flow {args} { |
| set script_dir [file dirname [file normalize [info script]]] |
| |
| set options { |
| {-design required} |
| {-save_path optional} |
| {-no_lvs optional} |
| {-no_drc optional} |
| {-no_antennacheck optional} |
| } |
| set flags {-save} |
| parse_key_args "run_flow" args arg_values $options flags_map $flags -no_consume |
| |
| prep {*}$args |
| |
| run_synthesis |
| run_floorplan_yifive |
| run_placement |
| run_cts |
| run_routing |
| |
| if { ($::env(DIODE_INSERTION_STRATEGY) == 2) || ($::env(DIODE_INSERTION_STRATEGY) == 5) } { |
| run_antenna_check |
| heal_antenna_violators; # modifies the routed DEF |
| } |
| |
| if { $::env(LVS_INSERT_POWER_PINS) } { |
| write_powered_verilog |
| set_netlist $::env(lvs_result_file_tag).powered.v |
| } |
| |
| run_magic |
| |
| run_klayout |
| |
| run_klayout_gds_xor |
| |
| if { ! [info exists flags_map(-no_lvs)] } { |
| run_magic_spice_export |
| } |
| |
| if { [info exists flags_map(-save) ] } { |
| if { ! [info exists arg_values(-save_path)] } { |
| set arg_values(-save_path) "" |
| } |
| save_views -lef_path $::env(magic_result_file_tag).lef \ |
| -def_path $::env(tritonRoute_result_file_tag).def \ |
| -gds_path $::env(magic_result_file_tag).gds \ |
| -mag_path $::env(magic_result_file_tag).mag \ |
| -maglef_path $::env(magic_result_file_tag).lef.mag \ |
| -spice_path $::env(magic_result_file_tag).spice \ |
| -verilog_path $::env(CURRENT_NETLIST) \ |
| -save_path $arg_values(-save_path) \ |
| -tag $::env(RUN_TAG) |
| } |
| |
| # Physical verification |
| if { ! [info exists flags_map(-no_lvs)] } { |
| run_lvs; # requires run_magic_spice_export |
| } |
| |
| if { ! [info exists flags_map(-no_drc)] } { |
| run_magic_drc |
| run_klayout_drc |
| } |
| |
| if { ! [info exists flags_map(-no_antennacheck) ] } { |
| run_antenna_check |
| } |
| |
| run_lef_cvc |
| |
| calc_total_runtime |
| generate_final_summary_report |
| |
| puts_success "Flow Completed Without Fatal Errors." |
| |
| } |
| |
| run_flow {*}$argv |
