82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
/*
|
|
* yosys -- Yosys Open SYnthesis Suite
|
|
*
|
|
* Copyright (C) 2012 Clifford Wolf <clifford@clifford.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 BlackboxPass : public Pass {
|
|
BlackboxPass() : Pass("blackbox", "change type of cells in the design") { }
|
|
void help() YS_OVERRIDE
|
|
{
|
|
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
|
|
log("\n");
|
|
log(" blackbox [options] [selection]\n");
|
|
log("\n");
|
|
log("Convert modules into blackbox modules (remove contents and set the blackbox\n");
|
|
log("module attribute).\n");
|
|
log("\n");
|
|
}
|
|
void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
|
|
{
|
|
size_t argidx;
|
|
for (argidx = 1; argidx < args.size(); argidx++)
|
|
{
|
|
// if (args[argidx] == "-???") {
|
|
// continue;
|
|
// }
|
|
break;
|
|
}
|
|
extra_args(args, argidx, design);
|
|
|
|
for (auto module : design->selected_whole_modules_warn())
|
|
{
|
|
pool<Cell*> remove_cells;
|
|
pool<Wire*> remove_wires;
|
|
|
|
for (auto cell : module->cells())
|
|
remove_cells.insert(cell);
|
|
|
|
for (auto wire : module->wires())
|
|
if (wire->port_id == 0)
|
|
remove_wires.insert(wire);
|
|
|
|
for (auto it = module->memories.begin(); it != module->memories.end(); ++it)
|
|
delete it->second;
|
|
module->memories.clear();
|
|
|
|
for (auto it = module->processes.begin(); it != module->processes.end(); ++it)
|
|
delete it->second;
|
|
module->processes.clear();
|
|
|
|
module->new_connections(std::vector<RTLIL::SigSig>());
|
|
|
|
for (auto cell : remove_cells)
|
|
module->remove(cell);
|
|
|
|
module->remove(remove_wires);
|
|
|
|
module->set_bool_attribute("\\blackbox");
|
|
}
|
|
}
|
|
} BlackboxPass;
|
|
|
|
PRIVATE_NAMESPACE_END
|