From 8952bd6f4530d5c569d08e04cb67f528284584bc Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Fri, 30 Jun 2017 17:57:34 +0200
Subject: [PATCH] Add chtype command

---
 passes/cmds/Makefile.inc |  1 +
 passes/cmds/chtype.cc    | 83 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 84 insertions(+)
 create mode 100644 passes/cmds/chtype.cc

diff --git a/passes/cmds/Makefile.inc b/passes/cmds/Makefile.inc
index 0a4ed1537..1dbb439ca 100644
--- a/passes/cmds/Makefile.inc
+++ b/passes/cmds/Makefile.inc
@@ -26,4 +26,5 @@ OBJS += passes/cmds/check.o
 OBJS += passes/cmds/qwp.o
 OBJS += passes/cmds/edgetypes.o
 OBJS += passes/cmds/chformal.o
+OBJS += passes/cmds/chtype.o
 
diff --git a/passes/cmds/chtype.cc b/passes/cmds/chtype.cc
new file mode 100644
index 000000000..90d51667c
--- /dev/null
+++ b/passes/cmds/chtype.cc
@@ -0,0 +1,83 @@
+/*
+ *  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 ChtypePass : public Pass {
+	ChtypePass() : Pass("chtype", "change type of cells in the design") { }
+	virtual void help()
+	{
+		//   |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
+		log("\n");
+		log("    chtype [options] [selection]\n");
+		log("\n");
+		log("Change the types of cells in the design.\n");
+		log("\n");
+		log("    -set <type>\n");
+		log("        set the cell type to the given type\n");
+		log("\n");
+		log("    -map <old_type> <new_type>\n");
+		log("        change cells types that match <old_type> to <new_type>\n");
+		log("\n");
+		log("\n");
+	}
+	virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
+	{
+		IdString set_type;
+		dict<IdString, IdString> map_types;
+
+		size_t argidx;
+		for (argidx = 1; argidx < args.size(); argidx++)
+		{
+			if (set_type == IdString() && args[argidx] == "-set" && argidx+1 < args.size()) {
+				set_type = RTLIL::escape_id(args[++argidx]);
+				continue;
+			}
+			if (args[argidx] == "-map" && argidx+2 < args.size()) {
+				IdString old_type = RTLIL::escape_id(args[++argidx]);
+				IdString new_type = RTLIL::escape_id(args[++argidx]);
+				map_types[old_type] = new_type;
+				continue;
+			}
+			break;
+		}
+		extra_args(args, argidx, design);
+
+		for (auto module : design->selected_modules())
+		{
+			for (auto cell : module->selected_cells())
+			{
+				if (map_types.count(cell->type)) {
+					cell->type = map_types.at(cell->type);
+					continue;
+				}
+
+				if (set_type != IdString()) {
+					cell->type = set_type;
+					continue;
+				}
+			}
+		}
+	}
+} ChtypePass;
+
+PRIVATE_NAMESPACE_END
-- 
2.30.2