| #!/usr/bin/tclsh |
| # SPDX-FileCopyrightText: 2020 Efabless Corporation |
| # 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. |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| package require openlane; |
| |
| |
| proc run_placement_step {args} { |
| if { ! [ info exists ::env(PLACEMENT_CURRENT_DEF) ] } { |
| set ::env(PLACEMENT_CURRENT_DEF) $::env(CURRENT_DEF) |
| } else { |
| set ::env(CURRENT_DEF) $::env(PLACEMENT_CURRENT_DEF) |
| } |
| |
| run_placement |
| } |
| |
| proc run_placement {args} { |
| puts_info "Running Placement..." |
| # |----------------------------------------------------| |
| # |---------------- 3. PLACEMENT ------------------| |
| # |----------------------------------------------------| |
| set ::env(CURRENT_STAGE) placement |
| |
| if { [info exists ::env(PL_TARGET_DENSITY_CELLS)] } { |
| set old_pl_target_density $::env(PL_TARGET_DENSITY) |
| set ::env(PL_TARGET_DENSITY) $::env(PL_TARGET_DENSITY_CELLS) |
| } |
| |
| if { $::env(PL_RANDOM_GLB_PLACEMENT) } { |
| # useful for very tiny designs |
| random_global_placement |
| } else { |
| global_placement_or |
| } |
| |
| if { [info exists ::env(PL_TARGET_DENSITY_CELLS)] } { |
| set ::env(PL_TARGET_DENSITY) $old_pl_target_density |
| } |
| |
| run_resizer_design |
| |
| if { [info exists ::env(DONT_BUFFER_PORTS) ]} { |
| remove_buffers |
| } |
| detailed_placement_or |
| scrot_klayout -layout $::env(CURRENT_DEF) |
| } |
| |
| |
| proc run_cts_step {args} { |
| if { ! [ info exists ::env(CTS_CURRENT_DEF) ] } { |
| set ::env(CTS_CURRENT_DEF) $::env(CURRENT_DEF) |
| } else { |
| set ::env(CURRENT_DEF) $::env(CTS_CURRENT_DEF) |
| } |
| |
| run_cts |
| run_resizer_timing |
| } |
| |
| proc run_routing_step {args} { |
| if { ! [ info exists ::env(ROUTING_CURRENT_DEF) ] } { |
| set ::env(ROUTING_CURRENT_DEF) $::env(CURRENT_DEF) |
| } else { |
| set ::env(CURRENT_DEF) $::env(ROUTING_CURRENT_DEF) |
| } |
| run_routing |
| } |
| |
| proc run_diode_insertion_2_5_step {args} { |
| if { ! [ info exists ::env(DIODE_INSERTION_CURRENT_DEF) ] } { |
| set ::env(DIODE_INSERTION_CURRENT_DEF) $::env(CURRENT_DEF) |
| } else { |
| set ::env(CURRENT_DEF) $::env(DIODE_INSERTION_CURRENT_DEF) |
| } |
| if { ($::env(DIODE_INSERTION_STRATEGY) == 2) || ($::env(DIODE_INSERTION_STRATEGY) == 5) } { |
| run_antenna_check |
| heal_antenna_violators; # modifies the routed DEF |
| } |
| |
| } |
| |
| proc run_power_pins_insertion_step {args} { |
| # set_def $::env(tritonRoute_result_file_tag).def |
| if { ! [ info exists ::env(POWER_PINS_INSERTION_CURRENT_DEF) ] } { |
| set ::env(POWER_PINS_INSERTION_CURRENT_DEF) $::env(CURRENT_DEF) |
| } else { |
| set ::env(CURRENT_DEF) $::env(POWER_PINS_INSERTION_CURRENT_DEF) |
| } |
| if { $::env(LVS_INSERT_POWER_PINS) } { |
| write_powered_verilog |
| set_netlist $::env(lvs_result_file_tag).powered.v |
| } |
| |
| } |
| |
| |
| proc run_lvs_step {{ lvs_enabled 1 }} { |
| if { ! [ info exists ::env(LVS_CURRENT_DEF) ] } { |
| set ::env(LVS_CURRENT_DEF) $::env(CURRENT_DEF) |
| } else { |
| set ::env(CURRENT_DEF) $::env(LVS_CURRENT_DEF) |
| } |
| if { $lvs_enabled } { |
| run_magic_spice_export |
| run_lvs; # requires run_magic_spice_export |
| } |
| |
| } |
| |
| proc run_drc_step {{ drc_enabled 1 }} { |
| if { ! [ info exists ::env(DRC_CURRENT_DEF) ] } { |
| set ::env(DRC_CURRENT_DEF) $::env(CURRENT_DEF) |
| } else { |
| set ::env(CURRENT_DEF) $::env(DRC_CURRENT_DEF) |
| } |
| if { $drc_enabled } { |
| run_magic_drc |
| run_klayout_drc |
| } |
| } |
| |
| proc run_antenna_check_step {{ antenna_check_enabled 1 }} { |
| if { ! [ info exists ::env(ANTENNA_CHECK_CURRENT_DEF) ] } { |
| set ::env(ANTENNA_CHECK_CURRENT_DEF) $::env(CURRENT_DEF) |
| } else { |
| set ::env(CURRENT_DEF) $::env(ANTENNA_CHECK_CURRENT_DEF) |
| } |
| if { $antenna_check_enabled } { |
| run_antenna_check |
| } |
| } |
| |
| |
| proc gen_pdn {args} { |
| puts_info "Generating PDN..." |
| TIMER::timer_start |
| |
| set ::env(SAVE_DEF) [index_file $::env(pdn_tmp_file_tag).def] |
| set ::env(PGA_RPT_FILE) [index_file $::env(pdn_report_file_tag).pga.rpt] |
| |
| try_catch $::env(OPENROAD_BIN) -exit $::env(SCRIPTS_DIR)/openroad/pdn.tcl \ |
| |& tee $::env(TERMINAL_OUTPUT) [index_file $::env(pdn_log_file_tag).log 0] |
| |
| |
| TIMER::timer_stop |
| exec echo "[TIMER::get_runtime]" >> [index_file $::env(pdn_log_file_tag)_runtime.txt 0] |
| |
| quit_on_unconnected_pdn_nodes |
| |
| set_def $::env(SAVE_DEF) |
| } |
| |
| proc run_power_grid_generation {args} { |
| |
| if {[info exists ::env(FP_PDN_POWER_STRAPS)]} { |
| set power_domains [split $::env(FP_PDN_POWER_STRAPS) ","] |
| } |
| |
| # internal macros power connections |
| if {[info exists ::env(FP_PDN_MACRO_HOOKS)]} { |
| set macro_hooks [dict create] |
| set pdn_hooks [split $::env(FP_PDN_MACRO_HOOKS) ","] |
| foreach pdn_hook $pdn_hooks { |
| set instance_name [lindex $pdn_hook 0] |
| set power_net [lindex $pdn_hook 1] |
| set ground_net [lindex $pdn_hook 2] |
| dict append macro_hooks $instance_name [subst {$power_net $ground_net}] |
| } |
| |
| set power_net_indx [lsearch $::env(VDD_NETS) $power_net] |
| set ground_net_indx [lsearch $::env(GND_NETS) $ground_net] |
| |
| # make sure that the specified power domains exist. |
| if { $power_net_indx == -1 || $ground_net_indx == -1 || $power_net_indx != $ground_net_indx } { |
| puts_err "Can't find $power_net and $ground_net domain. \ |
| Make sure that both exist in $::env(VDD_NETS) and $::env(GND_NETS)." |
| } |
| } |
| |
| # generate multiple power grids per pair of (VDD,GND) |
| # offseted by WIDTH + SPACING |
| foreach domain $power_domains { |
| set ::env(VDD_NET) [lindex $domain 0] |
| set ::env(GND_NET) [lindex $domain 1] |
| set ::env(_WITH_STRAPS) [lindex $domain 2] |
| |
| puts_info "Connecting Power: $::env(VDD_NET) & $::env(GND_NET) to All internal macros." |
| # internal macros power connections |
| set ::env(FP_PDN_MACROS) "" |
| if { $::env(FP_PDN_ENABLE_MACROS_GRID) == 1 } { |
| # if macros connections to power are explicitly set |
| # default behavoir macro pins will be connected to the first power domain |
| if { [info exists ::env(FP_PDN_MACRO_HOOKS)] } { |
| set ::env(FP_PDN_ENABLE_MACROS_GRID) 0 |
| foreach {instance_name hooks} $macro_hooks { |
| set power [lindex $hooks 0] |
| set ground [lindex $hooks 1] |
| if { $power == $::env(VDD_NET) && $ground == $::env(GND_NET) } { |
| set ::env(FP_PDN_ENABLE_MACROS_GRID) 1 |
| set ::env(FP_PDN_IRDROP) "1" |
| puts_info "Connecting $instance_name to $power and $ground nets." |
| lappend ::env(FP_PDN_MACROS) $instance_name |
| } |
| } |
| } |
| } else { |
| puts_warn "All internal macros will not be connected to power $::env(VDD_NET) & $::env(GND_NET)." |
| } |
| |
| gen_pdn |
| |
| set ::env(FP_PDN_ENABLE_RAILS) 0 |
| set ::env(FP_PDN_ENABLE_MACROS_GRID) 0 |
| set ::env(FP_PDN_IRDROP) "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)))]} |
| puts "FP_PDN_VOFFSET: $::env(FP_PDN_VOFFSET)" |
| puts "FP_PDN_HOFFSET: $::env(FP_PDN_HOFFSET)" |
| puts "FP_PDN_CORE_RING_VOFFSET: $::env(FP_PDN_CORE_RING_VOFFSET)" |
| puts "FP_PDN_CORE_RING_HOFFSET: $::env(FP_PDN_CORE_RING_HOFFSET)" |
| |
| } |
| set ::env(FP_PDN_ENABLE_RAILS) 1 |
| } |
| |
| |
| proc run_floorplan {args} { |
| puts_info "Running Floorplanning..." |
| # |----------------------------------------------------| |
| # |---------------- 2. FLOORPLAN ------------------| |
| # |----------------------------------------------------| |
| # |
| # 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) |
| # power grid generation |
| run_power_grid_generation |
| } |
| |
| |
| 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 |
| |
| set LVS_ENABLED 1 |
| set DRC_ENABLED 0 |
| set ANTENNACHECK_ENABLED 1 |
| |
| set steps [dict create \ |
| "synthesis" {run_synthesis "" } \ |
| "floorplan" {run_floorplan ""} \ |
| "placement" {run_placement_step ""} \ |
| "cts" {run_cts_step ""} \ |
| "routing" {run_routing_step ""} \ |
| "diode_insertion" {run_diode_insertion_2_5_step ""} \ |
| "power_pins_insertion" {run_power_pins_insertion_step ""} \ |
| "gds_magic" {run_magic ""} \ |
| "gds_drc_klayout" {run_klayout ""} \ |
| "gds_xor_klayout" {run_klayout_gds_xor ""} \ |
| "lvs" "run_lvs_step $LVS_ENABLED" \ |
| "drc" "run_drc_step $DRC_ENABLED" \ |
| "antenna_check" "run_antenna_check_step $ANTENNACHECK_ENABLED" \ |
| "cvc" {run_lef_cvc} |
| ] |
| |
| set_if_unset arg_values(-to) "cvc"; |
| |
| if { [info exists ::env(CURRENT_STEP) ] } { |
| puts "\[INFO\]:Picking up where last execution left off" |
| puts [format "\[INFO\]:Current stage is %s " $::env(CURRENT_STEP)] |
| } else { |
| set ::env(CURRENT_STEP) "synthesis"; |
| } |
| set_if_unset arg_values(-from) $::env(CURRENT_STEP); |
| set exe 0; |
| dict for {step_name step_exe} $steps { |
| if { [ string equal $arg_values(-from) $step_name ] } { |
| set exe 1; |
| } |
| |
| if { $exe } { |
| # For when it fails |
| set ::env(CURRENT_STEP) $step_name |
| [lindex $step_exe 0] [lindex $step_exe 1] ; |
| } |
| |
| if { [ string equal $arg_values(-to) $step_name ] } { |
| set exe 0: |
| break; |
| } |
| |
| } |
| |
| # for when it resumes |
| set steps_as_list [dict keys $steps] |
| set next_idx [expr [lsearch $steps_as_list $::env(CURRENT_STEP)] + 1] |
| set ::env(CURRENT_STEP) [lindex $steps_as_list $next_idx] |
| |
| 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(CURRENT_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 \ |
| -spef_path $::env(CURRENT_SPEF) \ |
| -verilog_path $::env(CURRENT_NETLIST) \ |
| -save_path $arg_values(-save_path) \ |
| -tag $::env(RUN_TAG) |
| } |
| |
| |
| calc_total_runtime |
| save_state |
| generate_final_summary_report |
| |
| check_timing_violations |
| |
| puts_success "Flow Completed Without Fatal Errors." |
| |
| } |
| |
| run_flow {*}$argv |
