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Read constraints and placing from file

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This commit is contained in:
Miodrag Milanovic 2019-06-02 17:33:37 +02:00
parent 1894cb549c
commit 7c65da417b
1 changed files with 50 additions and 0 deletions
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50
common/command.cc
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@ -232,6 +232,22 @@ void CommandHandler::setupContext(Context *ctx)
ctx->timing_driven = false;
}
std::vector<std::string> split(const std::string& str, const std::string& delim)
{
std::vector<std::string> tokens;
size_t prev = 0, pos = 0;
do
{
pos = str.find(delim, prev);
if (pos == std::string::npos) pos = str.length();
std::string token = str.substr(prev, pos-prev);
if (!token.empty()) tokens.push_back(token);
prev = pos + delim.length();
}
while (pos < str.length() && prev < str.length());
return tokens;
}
int CommandHandler::executeMain(std::unique_ptr<Context> ctx)
{
if (vm.count("test")) {
@ -295,6 +311,30 @@ int CommandHandler::executeMain(std::unique_ptr<Context> ctx)
if (!ctx->pack() && !ctx->force)
log_error("Packing design failed.\n");
} else {
for (auto &pair : ctx->cells) {
auto &c = pair.second;
auto constr_main = c->attrs.find(ctx->id("NEXTPNR_CONSTRAINT"));
auto constr_child = c->attrs.find(ctx->id("NEXTPNR_CONSTR_CHILDREN"));
if (constr_main!=c->attrs.end())
{
std::vector<std::string> val = split(constr_main->second.str.c_str(),";");
c->constr_x = std::stoi(val[0]);
c->constr_y = std::stoi(val[1]);
c->constr_z = std::stoi(val[2]);
c->constr_abs_z = val[3]=="1" ? true : false;
c->constr_parent = nullptr;
if (val.size()==5)
c->constr_parent = ctx->cells.find(ctx->id(val[4].c_str()))->second.get();
}
if (constr_child!=c->attrs.end())
{
for(auto val : split(constr_child->second.str.c_str(),";"))
{
c->constr_children.push_back(ctx->cells.find(ctx->id(val.c_str()))->second.get());
}
}
}
ctx->assignArchInfo();
}
@ -307,6 +347,16 @@ int CommandHandler::executeMain(std::unique_ptr<Context> ctx)
if (!ctx->place() && !ctx->force)
log_error("Placing design failed.\n");
ctx->check();
} else {
for (auto &pair : ctx->cells) {
auto &c = pair.second;
auto bel = c->attrs.find(ctx->id("BEL"));
if (bel!=c->attrs.end())
{
BelId b = ctx->getBelByName(ctx->id(bel->second.c_str()));
ctx->bindBel(b, c.get(), STRENGTH_USER);
}
}
}
if (do_route) {