yosys/passes/cmds/design.cc

252 lines
7.6 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/register.h"
#include "kernel/celltypes.h"
#include "kernel/rtlil.h"
#include "kernel/log.h"
std::map<std::string, RTLIL::Design*> saved_designs;
std::vector<RTLIL::Design*> pushed_designs;
struct DesignPass : public Pass {
DesignPass() : Pass("design", "save, restore and reset current design") { }
virtual ~DesignPass() {
for (auto &it : saved_designs)
delete it.second;
saved_designs.clear();
for (auto &it : pushed_designs)
delete it;
pushed_designs.clear();
}
virtual void help()
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" design -reset\n");
log("\n");
log("Clear the current design.\n");
log("\n");
log("\n");
log(" design -save <name>\n");
log("\n");
log("Save the current design under the given name.\n");
log("\n");
log("\n");
log(" design -stash <name>\n");
log("\n");
log("Save the current design under the given name and then clear the current design.\n");
log("\n");
log("\n");
log(" design -push\n");
log("\n");
log("Push the current design to the stack and then clear the current design.\n");
log("\n");
log("\n");
log(" design -pop\n");
log("\n");
log("Reset the current design and pop the last design from the stack.\n");
log("\n");
log("\n");
log(" design -load <name>\n");
log("\n");
log("Reset the current design and load the design previously saved under the given\n");
log("name.\n");
log("\n");
log("\n");
log(" design -copy-from <name> [-as <new_mod_name>] <selection>\n");
log("\n");
log("Copy modules from the specified design into the current one. The selection is\n");
log("evaluated in the other design.\n");
log("\n");
log("\n");
log(" design -copy-to <name> [-as <new_mod_name>] [selection]\n");
log("\n");
log("Copy modules from the current design into the soecified one.\n");
log("\n");
}
virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
{
bool got_mode = false;
bool reset_mode = false;
bool push_mode = false;
bool pop_mode = false;
RTLIL::Design *copy_from_design = NULL, *copy_to_design = NULL;
std::string save_name, load_name, as_name;
std::vector<RTLIL::Module*> copy_src_modules;
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++)
{
std::string arg = args[argidx];
if (!got_mode && args[argidx] == "-reset") {
got_mode = true;
reset_mode = true;
continue;
}
if (!got_mode && args[argidx] == "-push") {
got_mode = true;
push_mode = true;
continue;
}
if (!got_mode && args[argidx] == "-pop") {
got_mode = true;
pop_mode = true;
continue;
}
if (!got_mode && args[argidx] == "-save" && argidx+1 < args.size()) {
got_mode = true;
save_name = args[++argidx];
continue;
}
if (!got_mode && args[argidx] == "-stash" && argidx+1 < args.size()) {
got_mode = true;
save_name = args[++argidx];
reset_mode = true;
continue;
}
if (!got_mode && args[argidx] == "-load" && argidx+1 < args.size()) {
got_mode = true;
load_name = args[++argidx];
if (saved_designs.count(load_name) == 0)
log_cmd_error("No saved design '%s' found!\n", load_name.c_str());
continue;
}
if (!got_mode && args[argidx] == "-copy-from" && argidx+1 < args.size()) {
got_mode = true;
if (saved_designs.count(args[++argidx]) == 0)
log_cmd_error("No saved design '%s' found!\n", args[argidx].c_str());
copy_from_design = saved_designs.at(args[argidx]);
copy_to_design = design;
continue;
}
if (!got_mode && args[argidx] == "-copy-to" && argidx+1 < args.size()) {
got_mode = true;
if (saved_designs.count(args[++argidx]) == 0)
saved_designs[args[argidx]] = new RTLIL::Design;
copy_to_design = saved_designs.at(args[argidx]);
copy_from_design = design;
continue;
}
if (copy_from_design != NULL && args[argidx] == "-as" && argidx+1 < args.size()) {
got_mode = true;
as_name = args[++argidx];
continue;
}
break;
}
if (copy_from_design != NULL)
{
if (copy_from_design != design && argidx == args.size())
cmd_error(args, argidx, "Missing selection.");
RTLIL::Selection sel = design->selection_stack.back();
if (argidx != args.size()) {
handle_extra_select_args(this, args, argidx, args.size(), copy_from_design);
sel = copy_from_design->selection_stack.back();
copy_from_design->selection_stack.pop_back();
argidx = args.size();
}
for (auto &it : copy_from_design->modules) {
if (sel.selected_whole_module(it.first)) {
copy_src_modules.push_back(it.second);
continue;
}
if (sel.selected_module(it.first))
log_cmd_error("Module %s is only partly selected.\n", RTLIL::id2cstr(it.first));
}
}
extra_args(args, argidx, design, false);
if (!got_mode)
cmd_error(args, argidx, "Missing mode argument.");
if (pop_mode && pushed_designs.empty())
log_cmd_error("No pushed designs.\n");
if (copy_to_design != NULL)
{
if (!as_name.empty() && copy_src_modules.size() > 1)
log_cmd_error("Only one module can be selected in combination with -as.\n");
for (auto mod : copy_src_modules)
{
std::string trg_name = as_name.empty() ? mod->name : RTLIL::escape_id(as_name);
if (copy_to_design->modules.count(trg_name))
delete copy_to_design->modules.at(trg_name);
copy_to_design->modules[trg_name] = mod->clone();
copy_to_design->modules[trg_name]->name = trg_name;
}
}
if (!save_name.empty() || push_mode)
{
RTLIL::Design *design_copy = new RTLIL::Design;
for (auto &it : design->modules)
design_copy->modules[it.first] = it.second->clone();
design_copy->selection_stack = design->selection_stack;
design_copy->selection_vars = design->selection_vars;
design_copy->selected_active_module = design->selected_active_module;
if (saved_designs.count(save_name))
delete saved_designs.at(save_name);
if (push_mode)
pushed_designs.push_back(design_copy);
else
saved_designs[save_name] = design_copy;
}
if (reset_mode || !load_name.empty() || push_mode || pop_mode)
{
for (auto &it : design->modules)
delete it.second;
design->modules.clear();
design->selection_stack.clear();
design->selection_vars.clear();
design->selected_active_module.clear();
design->selection_stack.push_back(RTLIL::Selection());
}
if (!load_name.empty() || pop_mode)
{
RTLIL::Design *saved_design = pop_mode ? pushed_designs.back() : saved_designs.at(load_name);
if (pop_mode)
pushed_designs.pop_back();
for (auto &it : saved_design->modules)
design->modules[it.first] = it.second->clone();
design->selection_stack = saved_design->selection_stack;
design->selection_vars = saved_design->selection_vars;
design->selected_active_module = saved_design->selected_active_module;
}
}
} DesignPass;