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authorMiodrag Milanovic <mmicko@gmail.com>2019-06-02 17:33:37 +0200
committerMiodrag Milanovic <mmicko@gmail.com>2019-06-02 17:33:37 +0200
commit7c65da417b5a222cc68a83e25c60c1f1326473f2 (patch)
treef480310a8c93691219e727b08958410ff6e3e5b0 /common/command.cc
parent1894cb549c368ccd5c932535852d6d9367136865 (diff)
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Read constraints and placing from file
Diffstat (limited to 'common/command.cc')
-rw-r--r--common/command.cc50
1 files changed, 50 insertions, 0 deletions
diff --git a/common/command.cc b/common/command.cc
index e81967b4..7d4cd252 100644
--- a/common/command.cc
+++ b/common/command.cc
@@ -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) {