OpenRAM/compiler/options.py

130 lines
4.1 KiB
Python

import optparse
import getpass
import os
class options(optparse.Values):
"""
Class for holding all of the OpenRAM options. All of these options can be over-riden in a configuration file
that is the sole required command-line positional argument for openram.py.
"""
###################
# Configuration options
###################
# This is the technology directory.
openram_tech = ""
# This is the name of the technology.
tech_name = ""
# Port configuration (1-2 ports allowed)
num_rw_ports = 1
num_r_ports = 0
num_w_ports = 0
# These will get initialized by the user or the tech file
supply_voltages = ""
temperatures = ""
process_corners = ""
# Size parameters must be specified by user in config file.
#num_words = 0
#word_size = 0
# You can manually specify banks, but it is better to auto-detect it.
num_banks = 1
###################
# Optimization options
###################
# Uses the delay chain size in the tech.py file rather automatic sizing.
use_tech_delay_chain_size = False
###################
# Debug options.
###################
# This is the temp directory where all intermediate results are stored.
try:
# If user defined the temporary location in their environment, use it
openram_temp = os.path.abspath(os.environ.get("OPENRAM_TMP"))
except:
# Else use a unique temporary directory
openram_temp = "/tmp/openram_{0}_{1}_temp/".format(getpass.getuser(),os.getpid())
# This is the verbosity level to control debug information. 0 is none, 1
# is minimal, etc.
debug_level = 0
###################
# Run-time vs accuracy options.
# Default, sacrifice accuracy/completeness for speed.
# Must turn on options for verification, final routing, etc.
###################
# When enabled, layout is not generated (and no DRC or LVS are performed)
netlist_only = False
# Whether we should do the final power routing
route_supplies = False
# This determines whether LVS and DRC is checked at all.
check_lvsdrc = False
# This determines whether LVS and DRC is checked for every submodule.
inline_lvsdrc = False
# Remove noncritical memory cells for characterization speed-up
trim_netlist = True
# Run with extracted parasitics
use_pex = False
###################
# Tool options
###################
# Variable to select the variant of spice
spice_name = ""
# The spice executable being used which is derived from the user PATH.
spice_exe = ""
# Variable to select the variant of drc, lvs, pex
drc_name = ""
lvs_name = ""
pex_name = ""
# The DRC/LVS/PEX executable being used which is derived from the user PATH.
drc_exe = None
lvs_exe = None
pex_exe = None
# Should we print out the banner at startup
print_banner = True
# Use detailed LEF blockages
detailed_blockages = True
# Define the output file paths
output_path = "."
# Define the output file base name
output_name = ""
# Use analytical delay models by default rather than (slow) characterization
analytical_delay = True
# Purge the temp directory after a successful run (doesn't purge on errors, anyhow)
purge_temp = True
###################
# These are the default modules that can be over-riden
###################
bank_select = "bank_select"
bitcell_array = "bitcell_array"
bitcell = "bitcell"
column_mux_array = "single_level_column_mux_array"
control_logic = "control_logic"
decoder = "hierarchical_decoder"
delay_chain = "delay_chain"
dff_array = "dff_array"
dff = "dff"
precharge_array = "precharge_array"
ptx = "ptx"
replica_bitcell = "replica_bitcell"
replica_bitline = "replica_bitline"
sense_amp_array = "sense_amp_array"
sense_amp = "sense_amp"
tri_gate_array = "tri_gate_array"
tri_gate = "tri_gate"
wordline_driver = "wordline_driver"
write_driver_array = "write_driver_array"
write_driver = "write_driver"