make-fpga/make_nvc.py at main · amb5l/make-fpga · GitHub

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################################################################################
# make_nvc.py
# A part of make-fpga - see https://github.com/amb5l/make-fpga
# This script generates makefiles to simulate FPGA designs with NVC.
################################################################################

import sys,os,argparse
from make_fpga import *

# parse arguments

parser = argparse.ArgumentParser(
    prog='make_nvc.py',
    description='Create makefiles for simulating FPGA designs with NVC',
    epilog=help_run,
    formatter_class=argparse.RawDescriptionHelpFormatter
   )
parser.add_argument(
    '--lib',
    nargs='+',
    action='append',
    help='precompiled libraries'
   )
parser.add_argument(
    '--vhdl',
    choices=['1993','2000','2002','2008','2019'],
    help='VHDL LRM version (defaults to 2008)',
    default='2008'
   )
parser.add_argument(
    '--work',
    help='work library (defaults to "work")',
    default='work'
   )
parser.add_argument(
    '--src',
    required=True,
    nargs='+',
    action='append',
    help='source(s) in compile order (append =LIB to specify library name)'
   )
parser.add_argument(
    '--dep',
    nargs='+',
    action='append',
    help='other dependancies e.g. data files'
   )
parser.add_argument(
    '--run',
    required=True,
    nargs='+',
    action='append',
    help='simulation run specification(s) (see below)'
   )
parser.add_argument(
    '--gen',
    nargs='+',
    action='append',
    help='generics assignment(s) (applied to all runs)'
   )

args=parser.parse_args()
c,d=process_src(args.src,args.work)
args.dep=flatten(args.dep)
runs=process_run(flatten(args.run))
args.lib=flatten(args.lib)
args.gen=process_gen(flatten(args.gen))

# output

print('# makefile generated by make_nvc.py (see https://github.com/amb5l/make-fpga)')

print('# for simulation using ModelSim/Questa/etc')
print('')
print('################################################################################')
print('# simulation specific definitions')
print('')
print('# libraries to compile source into')
print('LIB:='+' '.join(d))
print('')
print('# sources in compilation order (source=library)')
print('SRC:='+var_vals([s+'='+l for l,s in c]))
print('')
print('# other simulation prerequisites (e.g. data files)')
print('DEP:='+var_vals(args.dep))
print('')
print('# simulation runs (top plus any run specific generic/SDF assignments)')
print('RUNS:='+' '.join([r[0] for r in runs]))
for r in runs:
    s = 'RUN.'+r[0]+':='+r[1]
    if r[2]:
        s += ' '+' '.join(['-g'+g+'='+v for g,v in r[2]])
    if r[3]:
        s += ' '+' '.join(['-sdf'+t+' '+p+'='+f for t,p,f in r[3]])
    print(s)
print('')
print('# generic assignments (applied to all simulation runs)')
print('GEN:='+var_vals(list(map(lambda e: '-g'+e[0]+'='+e[1],args.gen))))
print('')
print('# global, analysis, elaboration and run options')
print('NVC_GOPTS+=--std='+args.vhdl+' -L.')
print('NVC_AOPTS+=--relaxed')
print('NVC_EOPTS+=')
print('NVC_ROPTS+=--ieee-warnings=off')
print('')
print('################################################################################')
print('')
print('# default goal')
print('all: nvc')
print('')
print('# default name for single run')
print('RUN:=$(if $(word 2,$(RUN)),$(RUN),$(if $(filter :,$(RUN)),$(RUN),sim:$(RUN)))')
print('')
print('# useful definitions')
print('comma:=,')
print('rest=$(wordlist 2,$(words $1),$1)')
print('chop=$(wordlist 1,$(words $(call rest,$1)),$1)')
print('src_dep=$1,$2')
print('pairmap=$(and $(strip $2),$(strip $3),$(call $1,$(firstword $2),$(firstword $3)) $(call pairmap,$1,$(call rest,$2),$(call rest,$3)))')
print('')
print('# compilation dependencies enforce compilation order')
print('dep:=$(firstword $(SRC)), $(if $(word 2,$(SRC)),$(call pairmap,src_dep,$(call rest,$(SRC)),$(call chop,$(SRC))),)')
print('')
print('# generate rule(s) and recipe(s) to compile source(s)')
print('define rr_compile')
print('$1/$(notdir $2).com: $2 $3 $(DEP)')
print('\tnvc $(NVC_GOPTS) --work=$(strip $1) -a $(NVC_AOPTS) $$<')
print('\ttouch $$@')
print('endef')
print('$(foreach d,$(dep),$(eval $(call rr_compile, \\')
print('$(word 2,$(subst =, ,$(word 1,$(subst $(comma), ,$d)))), \\')
print('$(word 1,$(subst =, ,$(word 1,$(subst $(comma), ,$d)))), \\')
print('$(addsuffix .com,$(addprefix $(word 2,$(subst =, ,$(word 2,$(subst $(comma), ,$d))))/,$(notdir $(word 1,$(subst =, ,$(word 2,$(subst $(comma), ,$d))))))) \\')
print(')))')
print('')
print('# generate rule(s) and recipe(s) to run simulation(s)')
print('define rr_run')
print('$1: $(word 2,$(subst =, ,$(lastword $(SRC))))/$(notdir $(word 1,$(subst =, ,$(lastword $(SRC))))).com')
print('	@bash -c \'echo -e "\033[0;32mRUN: $1 ($(word 1,$(RUN.$1)))  start at $$$$(date +%T.%2N)\033[0m"\'')
print('	nvc $(NVC_GOPTS) -e $(NVC_EOPTS) $(GEN) $(RUN.$1)')
print('	nvc $(NVC_GOPTS) -r $(NVC_ROPTS) $(word 1,$(RUN.$1))')
print('	@bash -c \'echo -e "\033[0;31mRUN: $1 ($(word 1,$(RUN.$1)))    end at $$$$(date +%T.%2N)\033[0m"\'')
print('nvc:: $1')
print('endef')
print('$(foreach r,$(RUNS),$(eval $(call rr_run,$r)))')