diff options
| author | Alejandro Soto <alejandro@34project.org> | 2023-09-29 03:35:56 -0600 |
|---|---|---|
| committer | Alejandro Soto <alejandro@34project.org> | 2023-09-29 03:35:56 -0600 |
| commit | 78c46ca681c9a775cc68c9c58a5d5c70821ca0d7 (patch) | |
| tree | f58626d2196bac82f616d6bcd38114eae213a8f8 | |
| parent | 205272a130e8def711065c65a0a32815cb45a693 (diff) | |
tb: enable sim performance flags ("faster is better")
| -rw-r--r-- | Makefile | 15 | ||||
| -rw-r--r-- | tb/top/conspiracion.cpp | 14 |
2 files changed, 24 insertions, 5 deletions
@@ -14,9 +14,18 @@ CROSS_OBJCOPY := $(CROSS_COMPILE)objcopy CROSS_CFLAGS := -O3 -Wall -Wextra -Werror CROSS_LDFLAGS := +ifdef FASTER_IS_BETTER + DISABLE_COV := 1 + DISABLE_RAND := 1 + DISABLE_TRACE := 1 +endif + +X_MODE := $(if $(DISABLE_RAND),fast,unique) + VFLAGS ?= \ - --x-assign unique --x-initial unique \ - --threads $(shell nproc) \ + --x-assign $(X_MODE) --x-initial $(X_MODE) \ + $(if $(DISABLE_THREADS),,--threads $(shell nproc)) \ + $(if $(DISABLE_TRACE),,--trace) \ $(if $(DISABLE_COV),,--coverage) RTL_FILES = $(shell find $(RTL_DIR)/ ! -path '$(RTL_DIR)/top/*' -type f -name '*.sv') @@ -96,6 +105,6 @@ $(OBJ_DIR)/%.mk: \ mkdir -p $(dir $@) $(VERILATOR) \ - -O3 --cc --exe --trace -y $(RTL_DIR) --Mdir $(dir $@) \ + -O3 --cc --exe -y $(RTL_DIR) --Mdir $(dir $@) \ --top $(word 1,$(subst /, ,$*)) $(patsubst tb/%,../tb/%,$^) \ $(VFLAGS) diff --git a/tb/top/conspiracion.cpp b/tb/top/conspiracion.cpp index 49c05bf..f12e17a 100644 --- a/tb/top/conspiracion.cpp +++ b/tb/top/conspiracion.cpp @@ -298,15 +298,19 @@ int main(int argc, char **argv) } Vconspiracion top; + +#if VM_TRACE VerilatedVcdC trace; bool enable_trace = std::getenv("TRACE"); - if(enable_trace) - { + if (enable_trace) { Verilated::traceEverOn(true); top.trace(&trace, 0); trace.open("trace.vcd"); } +#else + bool enable_trace = false; +#endif mem hps_ddr3(0x0000'0000, 512 << 20); jtag_uart ttyJ0(0x3000'0000); @@ -424,10 +428,12 @@ int main(int argc, char **argv) vga.signal_tick(top.clk_clk); } +#if VM_TRACE if(enable_trace) { trace.dump(time++); } +#endif }; auto cycle = [&]() @@ -765,8 +771,10 @@ int main(int argc, char **argv) if (!no_tty) ttyJ0.release(); +#if VM_TRACE if (enable_trace) trace.close(); +#endif if (dump_regs) do_reg_dump(); @@ -779,8 +787,10 @@ int main(int argc, char **argv) if (ctrl != stdout) std::fclose(ctrl); +#if VM_COVERAGE if (coverage_out) Verilated::threadContextp()->coveragep()->write(coverage_out->c_str()); +#endif return failed ? EXIT_FAILURE : EXIT_SUCCESS; } |