# Copyright 2020-2021 Efabless Corporation
#
# 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.
#
foreach lib $::env(LIB_SYNTH_COMPLETE) {
    read_liberty $lib
}

if { [info exists ::env(EXTRA_LIBS) ] } {
    foreach lib $::env(EXTRA_LIBS) {
        read_liberty $lib
    }
}
# Since Current MPW does not handle Macro with Met5 routing, we are hacking the pll
# macro and removing met5 details - temporarly only for pdn stage
if {[catch {read_lef $::env(MERGED_LEF)} errmsg]} {
    puts stderr $errmsg
    exit 1
}

if {[catch {read_def $::env(CURRENT_DEF)} errmsg]} {
    puts stderr $errmsg
    exit 1
}

# load the grid definitions
if {[catch {source $::env(PDN_CFG)} errmsg]} {
    puts stderr $errmsg
    exit 1
}

# run PDNGEN
if {[catch {pdngen} errmsg]} {
    puts stderr $errmsg
    exit 1
}

# checks for unconnected nodes (e.g., isolated rails or stripes)
if { $::env(FP_PDN_CHECK_NODES) } {
    check_power_grid -net $::env(VDD_NET)
    check_power_grid -net $::env(GND_NET)
}

if { $::env(FP_PDN_IRDROP) } {
    # set rc values
    source $::env(SCRIPTS_DIR)/openroad/set_rc.tcl
    analyze_power_grid -net $::env(VDD_NET) -outfile $::env(PGA_RPT_FILE)
}

write_def $::env(SAVE_DEF)