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build/sim/verilator: Add verilator_build_args/argdict to reduce duplication in sim targets.

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Florent Kermarrec 2022-01-18 18:47:12 +01:00
parent 8289e71ea7
commit 3d8ffa1897
1 changed files with 19 additions and 0 deletions
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19
litex/build/sim/verilator.py
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@ -247,3 +247,22 @@ class SimVerilatorToolchain:
if build: if build:
return v_output.ns return v_output.ns
def verilator_build_args(parser):
toolchain_group = parser.add_argument_group("toolchain")
toolchain_group.add_argument("--threads", default=1, help="Set number of threads.")
toolchain_group.add_argument("--trace", action="store_true", help="Enable Tracing.")
toolchain_group.add_argument("--trace-fst", action="store_true", help="Enable FST tracing.")
toolchain_group.add_argument("--trace-start", default="0", help="Time to start tracing (ps).")
toolchain_group.add_argument("--trace-end", default="-1", help="Time to end tracing (ps).")
toolchain_group.add_argument("--opt-level", default="O3", help="Compilation optimization level.")
def verilator_build_argdict(args):
return {
"threads" : args.threads,
"trace" : args.trace,
"trace_fst" : args.trace_fst,
"trace_start" : int(float(args.trace_start)),
"trace_end" : int(float(args.trace_end)),
"opt_level" : args.opt_level
}