#**************************************************/
#* Compile Script for Cadence BuildGates          */
#*                                                */
#* bgx_shell -f compile_bgx.scr                   */
#*                                                */
#**************************************************/

# All verilog files, separated by spaces
set my_verilog_files      {FILE1.v FILE2.v...}

# Top-level Module
set my_toplevel_module    TOP_LEVEL_MODULE

# The name of the clock pin. If no clock-pin
# exists, pick anything
set my_clock_pin          clk

# Target frequency in MHz for optimization
set my_clock_freq_MHz     100

# Delay of input signals (Clock-to-Q, Package etc.)
set my_input_delay_ns     0

# Reserved time for output signals (Holdtime etc.)
set my_output_delay_ns    0

#**************************************************
# No changes necessary beyond this point
#**************************************************

set OSU_FREEPDK $env($OSU_FREEPDK)

read_tlf $OSU_FREEPDK/lib/files/gscl45nm.tlf

read_verilog $my_verilog_files

set_global target_technology gscl45nm
set_global fix_multiport_nets true
set_global hdl_verilog_out_unconnected_style full
set_global hdl_write_multi_line_port_maps false

do_build_generic -module $my_toplevel_module

set_current_module $my_toplevel_module
set_top_timing_module $my_toplevel_module

set period [expr 1000.0/$my_clock_freq_MHz]
set_clock vclk -period $period
if {[get_names [find -inputs $my_clock_pin]] == $my_clock_pin} {
    set_clock_root -clock vclk $my_clock_pin
}

set_input_delay -clock vclk $my_input_delay_ns [get_names [find -inputs -no_clocks *]]
set_external_delay -clock vclk $my_output_delay_ns [get_names [find -outputs *]]
set_drive_cell -cell INVX8 [get_names [find -inputs *]]

# Disable this command to skip flattening
do_dissolve_hierarchy -hierarchical

do_optimize

write_verilog -hier $my_toplevel_module.vh

# Write SDC file
write_sdc $my_toplevel_module.sdc

report_timing > timing.rep
report_area   > cell.rep
report_power  > power.rep

exit