Update cshell setup scripts

bin/wally-tool-chain-install-unified.sh

@@ -401,5 +401,6 @@ if [ ! -e "${RISCV}"/site-setup.sh ]; then
   wget https://raw.githubusercontent.com/openhwgroup/cvw/main/site-setup.csh
   if [ "$FAMILY" = rhel ]; then
     echo "source /opt/rh/gcc-toolset-13/enable" >> site-setup.sh
+    echo "source /opt/rh/gcc-toolset-13/enable" >> site-setup.csh
   fi
 fi

setup.csh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/csh
 
 # setup.csh
 # james.stine@okstate.edu 18 February 2023
@@ -11,7 +11,17 @@ alias extend 'if (-d \!:2) if ("$\!:1" \!~ *"\!:2"*) setenv \!:1 ${\!:1}:\!:2;ec
 alias prepend 'if (-d \!:2) if ("$\!:1" \!~ *"\!:2"*) setenv \!:1 "\!:2":${\!:1};echo Added \!:2 to \!:1'
 
 # Path to RISC-V Tools
-setenv RISCV /opt/riscv   # change this if you installed the tools in a different location
+if ( -e /opt/riscv ) then
+    setenv RISCV /opt/riscv
+else if ( -e ~/riscv ) then
+    setenv RISCV ~/riscv
+else
+    # set the $RISCV directory here and remove the subsequent two lines
+    # setenv RISCV
+    echo "\$RISCV directory not found. Checked /opt/riscv and ~/riscv. Edit setup.sh to point to your custom \$RISCV directory."
+    exit 1;
+endif
+echo \$RISCV set to "${RISCV}"
 
 # Path to Wally repository
 setenv WALLY $PWD
@@ -19,6 +29,7 @@ echo '$WALLY set to ' ${WALLY}
 # utility functions in Wally repository
 extend PATH $WALLY/bin
 
+# load site licenses and tool locations
 source $RISCV/site-setup.csh
 
 echo "setup done"

site-setup.csh

@@ -8,24 +8,30 @@ setenv MGLS_LICENSE_FILE 27002@zircon.eng.hmc.edu                 # Change this
 setenv SNPSLMD_LICENSE_FILE 27020@zircon.eng.hmc.edu              # Change this to your Synopsys license server
 setenv QUESTAPATH /cad/mentor/questa_sim-2022.4_2/questasim/bin   # Change this for your path to Questa
 setenv SNPSPATH /cad/synopsys/SYN/bin                             # Change this for your path to Design Compiler
+setenv VCSPATH /cad/synopsys/vcs/U-2023.03-SP2-4/bin              # Change this for your path to Synopsys VCS
 
 # Tools
 # Questa and Synopsys
 extend PATH $QUESTAPATH
 extend PATH $SNPSPATH 
+extend PATH $VCSPATH 
 
 # GCC
-prepend LD_LIBRARY_PATH $RISCV/riscv-gnu-toolchain/lib
+extend LD_LIBRARY_PATH $RISCV/riscv64-unknown-elf/lib
-prepend LD_LIBRARY_PATH $RISCV/riscv-gnu-toolchain/riscv64-unknown-elf/lib
-extend PATH $RISCV/riscv-gnu-toolchain/bin # GCC tools
-extend PATH $RISCV/riscv-gnu-toolchain/riscv64-unknown-elf/bin # GCC tools
 
-# Spike
+# RISC-V Tools
 extend LD_LIBRARY_PATH $RISCV/lib
+extend LD_LIBRARY_PATH $RISCV/lib64
 extend PATH $RISCV/bin
 
-# Verilator
+# Activate riscv-python Virtual Environment
-extend PATH /usr/local/bin/verilator # Change this for your path to Verilator
+source "$RISCV"/riscv-python/bin/activate
+
+# environment variables needed for RISCV-DV
+setenv RISCV_GCC $(which riscv64-unknown-elf-gcc)		            # Copy this as it is
+setenv RISCV_OBJCOPY $(which riscv64-unknown-elf-objcopy)	        # Copy this as it is
+setenv SPIKE_PATH $RISCV/bin										# Change this for your path to riscv-isa-sim (spike)
+
 # Verilator needs a larger stack to simulate CORE-V Wally
 limit stacksize unlimited