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authorClifford Wolf <clifford@clifford.at>2014-08-22 13:58:36 +0200
committerClifford Wolf <clifford@clifford.at>2014-08-22 14:00:11 +0200
commita3494fa9ed32d7ff2b826dfc921e3a0139158880 (patch)
tree98793a987d65abe7c663fc5f82f4f5b6a9cae161 /passes
parent752650a062cb262b37f1c5ea62663e5c8c9c7928 (diff)
Added "plugin" command
Diffstat (limited to 'passes')
-rw-r--r--passes/cmds/Makefile.inc1
-rw-r--r--passes/cmds/plugin.cc117
2 files changed, 118 insertions, 0 deletions
diff --git a/passes/cmds/Makefile.inc b/passes/cmds/Makefile.inc
index d6e45f2d..4cf61150 100644
--- a/passes/cmds/Makefile.inc
+++ b/passes/cmds/Makefile.inc
@@ -21,4 +21,5 @@ OBJS += passes/cmds/connwrappers.o
OBJS += passes/cmds/cover.o
OBJS += passes/cmds/trace.o
OBJS += passes/cmds/wreduce.o
+OBJS += passes/cmds/plugin.o
diff --git a/passes/cmds/plugin.cc b/passes/cmds/plugin.cc
new file mode 100644
index 00000000..c73684f1
--- /dev/null
+++ b/passes/cmds/plugin.cc
@@ -0,0 +1,117 @@
+/*
+ * yosys -- Yosys Open SYnthesis Suite
+ *
+ * Copyright (C) 2014 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"
+#include <dlfcn.h>
+
+YOSYS_NAMESPACE_BEGIN
+
+std::map<std::string, void*> loaded_plugins;
+std::map<std::string, std::string> loaded_plugin_aliases;
+
+void load_plugin(std::string filename, std::vector<std::string> aliases)
+{
+ if (filename.find('/') == std::string::npos)
+ filename = "./" + filename;
+
+ if (!loaded_plugins.count(filename)) {
+ void *hdl = dlopen(filename.c_str(), RTLD_LAZY|RTLD_LOCAL);
+ if (hdl == NULL)
+ log_cmd_error("Can't load module `%s': %s\n", filename.c_str(), dlerror());
+ loaded_plugins[filename] = hdl;
+ Pass::init_register();
+ }
+
+ for (auto &alias : aliases)
+ loaded_plugin_aliases[alias] = filename;
+}
+
+struct PluginPass : public Pass {
+ PluginPass() : Pass("plugin", "load and list loaded plugins") { }
+ virtual void help()
+ {
+ // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
+ log("\n");
+ log(" plugin [options]\n");
+ log("\n");
+ log("Load and list loaded plugins.\n");
+ log("\n");
+ log(" -i <plugin_filename>\n");
+ log(" Load (install) the specified plugin.\n");
+ log("\n");
+ log(" -a <alias_name>\n");
+ log(" Register the specified alias name for the loaded plugin\n");
+ log("\n");
+ log(" -l\n");
+ log(" List loaded plugins\n");
+ log("\n");
+ }
+ virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
+ {
+ std::string plugin_filename;
+ std::vector<std::string> plugin_aliases;
+ bool list_mode = false;
+
+ size_t argidx;
+ for (argidx = 1; argidx < args.size(); argidx++)
+ {
+ if ((args[argidx] == "-i") && argidx+1 < args.size() && plugin_filename.empty()) {
+ plugin_filename = args[++argidx];
+ continue;
+ }
+ if ((args[argidx] == "-a") && argidx+1 < args.size()) {
+ plugin_aliases.push_back(args[++argidx]);
+ continue;
+ }
+ if (args[argidx] == "-l") {
+ list_mode = true;
+ continue;
+ }
+ break;
+ }
+ extra_args(args, argidx, design, false);
+
+ if (!plugin_filename.empty())
+ load_plugin(plugin_filename, plugin_aliases);
+
+ if (list_mode)
+ {
+ log("\n");
+ if (loaded_plugins.empty())
+ log("No plugins loaded.\n");
+ else
+ log("Loaded plugins:\n");
+
+ for (auto &it : loaded_plugins)
+ log(" %s\n", it.first.c_str());
+
+ if (!loaded_plugin_aliases.empty()) {
+ log("\n");
+ int max_alias_len = 1;
+ for (auto &it : loaded_plugin_aliases)
+ max_alias_len = std::max(max_alias_len, SIZE(it.first));
+ for (auto &it : loaded_plugin_aliases)
+ log("Alias: %-*s %s\n", max_alias_len, it.first.c_str(), it.second.c_str());
+ }
+ }
+ }
+} PluginPass;
+
+YOSYS_NAMESPACE_END
+