syn.env

# VLSI Synthesis/Toolbox Environment
# https://github.com/watbulb/tt-toolchain-build
export VSE_VERSION=TT09

## Compiler/Simulator
export VCC=verilator
export DEBUG=0
export USE_SYNLIG=1

## Root folders
export     VOLUME_ROOT=/mnt/output
export       VENV_ROOT=$VOLUME_ROOT/venv
export TT_SUPPORT_ROOT=$VOLUME_ROOT/tt
export  VERILATOR_ROOT=$VOLUME_ROOT/toolchain/verilator
export     SYNLIG_ROOT=$VOLUME_ROOT/toolchain/synlig
export       SV2V_ROOT=$VOLUME_ROOT/toolchain/synlig/third_party/sv2v
export    SURELOG_ROOT=$VOLUME_ROOT/toolchain/synlig/third_party/surelog
export      YOSYS_ROOT=$VOLUME_ROOT/toolchain/synlig/third_party/yosys
export        EQY_ROOT=$VOLUME_ROOT/toolchain/synlig/third_party/eqy
export     ORTOOL_ROOT=$VOLUME_ROOT/toolchain/or-tools
export       CUDD_ROOT=$VOLUME_ROOT/toolchain/cudd
export    OPENSTA_ROOT=$VOLUME_ROOT/toolchain/OpenSTA
export   OPENROAD_ROOT=$VOLUME_ROOT/toolchain/OpenROAD
export   OPENLANE_ROOT=$VOLUME_ROOT/toolchain/openlane2
export      MAGIC_ROOT=$VOLUME_ROOT/toolchain/magic
export     NETGEN_ROOT=$VOLUME_ROOT/toolchain/netgen
export     XSCHEM_ROOT=$VOLUME_ROOT/toolchain/xschem
export    NGSPICE_ROOT=$VOLUME_ROOT/toolchain/ngspice

## Source tags
export TT_SUPPORT_TAG=tt09
# from: https://github.com/efabless/openlane2/tree/e56eac03f89991da64157cd08f4201391f207851/nix
# openlane2 version: 2.1.8
# NOTE: 2.1.8 requires OpenSTA workaround for heirarchial designs:
# https://github.com/efabless/openlane2/pull/544
export OPENLANE2_TAG="2.1.8"
export CUDD_TAG="3.0.0" 
export OPENSTA_TAG=cc9eb1f12a0d5030aebc1f1428e4300480e30b40
export OPENROAD_TAG=b16bda7e82721d10566ff7e2b68f1ff0be9f9e38
export XSCHEM_TAG=adb855db0b32870886c26ed346e4c2f12ccecc56
export NGSPICE_TAG=ngspice-43
export NETGEN_TAG=fix-assign-implicit-lhs

## PDK Vars
export PDK_VERSION=bdc9412b3e468c102d01b7cf6337be06ec6e9c9a
export PDK_ROOT=$VOLUME_ROOT/pdk
export PDK=sky130A

## Projects Paths
# Verilator
export PATH=$VERILATOR_ROOT/bin:$PATH

# Synlig, surelog, sv2v, Yosys, EQY
export PATH=$SYNLIG_ROOT/release/bin:$PATH

# Magic & Netgen
export PATH=$MAGIC_ROOT/release/bin:$PATH
export PATH=$NETGEN_ROOT/release/bin:$PATH
alias magicsky="magic -rcfile $PDK_ROOT/sky130A/libs.tech/magic/sky130A.magicrc"

# XSchem
export PATH=$XSCHEM_ROOT/release/bin:$PATH

# NGSpice
export PATH=$NGSPICE_ROOT/release/bin:$PATH

# OpenROAD & OpenSTA
export PATH=$OPENSTA_ROOT/build/release/bin:$PATH
export PATH=$OPENROAD_ROOT/build/release/bin:$PATH

# OpenLane2 & Volare
if [[ -d $VENV_ROOT ]]; then
  source $VENV_ROOT/bin/activate
fi

## OR Tools & PS1 (Housekeeping)
if [[ -f $VOLUME_ROOT/.built ]]; then
  if [[ ! -d /opt/or-tools && -d $ORTOOL_ROOT ]]; then
    cp -r $ORTOOL_ROOT /opt
  fi
  export PS1="(syn.env) $PS1"
fi