OpenROAD-flow-scripts/flow/scripts/macro_place_util.tcl at master · The-OpenROAD-Project/OpenROAD-flow-scripts · GitHub

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if { [find_macros] != "" } {
  if { ![env_var_exists_and_non_empty RTLMP_RPT_DIR] } {
    set ::env(RTLMP_RPT_DIR) "$::env(OBJECTS_DIR)/rtlmp"
  }
  if { ![env_var_exists_and_non_empty RTLMP_RPT_FILE] } {
    set ::env(RTLMP_RPT_FILE) "partition.txt"
  }
  if { ![env_var_exists_and_non_empty RTLMP_BLOCKAGE_FILE] } {
    set ::env(RTLMP_BLOCKAGE_FILE) "$::env(OBJECTS_DIR)/rtlmp/partition.txt.blockage"
  }

  # If wrappers defined replace macros with their wrapped version
  if { [env_var_exists_and_non_empty MACRO_WRAPPERS] } {
    source $::env(MACRO_WRAPPERS)

    set wrapped_macros [dict keys [dict get $wrapper around]]
    set db [ord::get_db]
    set block [ord::get_db_block]

    foreach inst [$block getInsts] {
      if { [lsearch -exact $wrapped_macros [[$inst getMaster] getName]] > -1 } {
        set new_master [dict get $wrapper around [[$inst getMaster] getName]]
        puts "Replacing [[$inst getMaster] getName] with $new_master for [$inst getName]"
        $inst swapMaster [$db findMaster $new_master]
      }
    }
  }

  lassign $::env(MACRO_PLACE_HALO) halo_x halo_y
  set halo_max [expr max($halo_x, $halo_y)]
  set blockage_width $halo_max

  if { [env_var_exists_and_non_empty MACRO_BLOCKAGE_HALO] } {
    set blockage_width $::env(MACRO_BLOCKAGE_HALO)
  }

  if { [env_var_exists_and_non_empty MACRO_PLACEMENT_TCL] } {
    log_cmd source $::env(MACRO_PLACEMENT_TCL)
  }

  set additional_rtlmp_args ""
  append_env_var additional_rtlmp_args RTLMP_MAX_LEVEL -max_num_level 1
  append_env_var additional_rtlmp_args RTLMP_MAX_INST -max_num_inst 1
  append_env_var additional_rtlmp_args RTLMP_MIN_INST -min_num_inst 1
  append_env_var additional_rtlmp_args RTLMP_MAX_MACRO -max_num_macro 1
  append_env_var additional_rtlmp_args RTLMP_MIN_MACRO -min_num_macro 1
  append additional_rtlmp_args " -halo_width $halo_x"
  append additional_rtlmp_args " -halo_height $halo_y"
  append_env_var additional_rtlmp_args RTLMP_MIN_AR -min_ar 1
  append_env_var additional_rtlmp_args RTLMP_AREA_WT -area_weight 1
  append_env_var additional_rtlmp_args RTLMP_WIRELENGTH_WT -wirelength_weight 1
  append_env_var additional_rtlmp_args RTLMP_OUTLINE_WT -outline_weight 1
  append_env_var additional_rtlmp_args RTLMP_BOUNDARY_WT -boundary_weight 1
  append_env_var additional_rtlmp_args RTLMP_NOTCH_WT -notch_weight 1
  append_env_var additional_rtlmp_args RTLMP_RPT_DIR -report_directory 1
  append_env_var additional_rtlmp_args RTLMP_FENCE_LX -fence_lx 1
  append_env_var additional_rtlmp_args RTLMP_FENCE_LY -fence_ly 1
  append_env_var additional_rtlmp_args RTLMP_FENCE_UX -fence_ux 1
  append_env_var additional_rtlmp_args RTLMP_FENCE_UY -fence_uy 1

  append additional_rtlmp_args " -target_util [place_density_with_lb_addon]"

  set all_args $additional_rtlmp_args

  if { [env_var_exists_and_non_empty RTLMP_ARGS] } {
    set all_args $::env(RTLMP_ARGS)
  }

  log_cmd rtl_macro_placer {*}$all_args

  source $::env(SCRIPTS_DIR)/placement_blockages.tcl
  block_channels $blockage_width
} else {
  puts "No macros found: Skipping macro_placement"
}