OpenFPGA/yosys/passes/cmds/trace.cc

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/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2014 Clifford Wolf <clifford@clifford.at>
* Copyright (C) 2014 Johann Glaser <Johann.Glaser@gmx.at>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include "kernel/yosys.h"
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
struct TraceMonitor : public RTLIL::Monitor
{
virtual void notify_module_add(RTLIL::Module *module) YS_OVERRIDE
{
log("#TRACE# Module add: %s\n", log_id(module));
}
virtual void notify_module_del(RTLIL::Module *module) YS_OVERRIDE
{
log("#TRACE# Module delete: %s\n", log_id(module));
}
virtual void notify_connect(RTLIL::Cell *cell, const RTLIL::IdString &port, const RTLIL::SigSpec &old_sig, RTLIL::SigSpec &sig) YS_OVERRIDE
{
log("#TRACE# Cell connect: %s.%s.%s = %s (was: %s)\n", log_id(cell->module), log_id(cell), log_id(port), log_signal(sig), log_signal(old_sig));
}
virtual void notify_connect(RTLIL::Module *module, const RTLIL::SigSig &sigsig) YS_OVERRIDE
{
log("#TRACE# Connection in module %s: %s = %s\n", log_id(module), log_signal(sigsig.first), log_signal(sigsig.second));
}
virtual void notify_connect(RTLIL::Module *module, const std::vector<RTLIL::SigSig> &sigsig_vec) YS_OVERRIDE
{
log("#TRACE# New connections in module %s:\n", log_id(module));
for (auto &sigsig : sigsig_vec)
log("## %s = %s\n", log_signal(sigsig.first), log_signal(sigsig.second));
}
virtual void notify_blackout(RTLIL::Module *module) YS_OVERRIDE
{
log("#TRACE# Blackout in module %s:\n", log_id(module));
}
};
struct TracePass : public Pass {
TracePass() : Pass("trace", "redirect command output to file") { }
virtual void help()
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" trace cmd\n");
log("\n");
log("Execute the specified command, logging all changes the command performs on\n");
log("the design in real time.\n");
log("\n");
}
virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
{
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++)
{
// .. parse options ..
break;
}
TraceMonitor monitor;
design->monitors.insert(&monitor);
try {
std::vector<std::string> new_args(args.begin() + argidx, args.end());
Pass::call(design, new_args);
} catch (...) {
design->monitors.erase(&monitor);
throw;
}
design->monitors.erase(&monitor);
}
} TracePass;
PRIVATE_NAMESPACE_END