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Added more help messages

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This commit is contained in:
Clifford Wolf 2013-03-01 00:36:19 +01:00
parent cd71c70b4f
commit 7fccad92f7
9 changed files with 121 additions and 11 deletions
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24
backends/autotest/autotest.cc
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@ -298,7 +298,29 @@ static void autotest(FILE *f, RTLIL::Design *design)
}
struct AutotestBackend : public Backend {
AutotestBackend() : Backend("autotest") { }
AutotestBackend() : Backend("autotest", "generate simple test benches") { }
virtual void help()
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" write_autotest [filename]\n");
log("\n");
log("Automatically create primitive verilog test benches for all modules in the\n");
log("design. The generated testbenches toggle the input pins of the module in\n");
log("a semi-random manner and dumps the resulting output signals.\n");
log("\n");
log("This can be used to check the synthesis results for simple circuits by\n");
log("comparing the testbench output for the input files and the synthesis results.\n");
log("\n");
log("The backend automatically detects clock signals. Additionally a signal can\n");
log("be forced to be interpreted as clock signal by setting the attribute\n");
log("'gentb_clock' on the signal.\n");
log("\n");
log("The attribute 'gentb_constant' can be used to force a signal to a constant\n");
log("value after initialization. This can e.g. be used to force a reset signal\n");
log("low in order to explore more inner states in a state machine.\n");
log("\n");
}
virtual void execute(FILE *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design)
{
log_header("Executing AUTOTEST backend (auto-generate pseudo-random test benches).\n");