Implement the placement validity checker

Signed-off-by: David Shah <davey1576@gmail.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/dummy/arch_place.h b/dummy/arch_place.h
new file mode 100644
index 00000000..446396e9
--- /dev/null
+++ b/dummy/arch_place.h
@@ -0,0 +1,32 @@
+/*
+ *  nextpnr -- Next Generation Place and Route
+ *
+ *  Copyright (C) 2018  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.
+ *
+ */
+
+#ifndef DUMMY_ARCH_PLACE_H
+#define DUMMY_ARCH_PLACE_H
+
+#include "nextpnr.h"
+
+// Architecure-specific placement functions
+
+// Whether or not a given cell can be placed at a given Bel
+// This is not intended for Bel type checks, but finer-grained constraints
+// such as conflicting set/reset signals, etc
+bool isValidBelForCell(Design *design, CellInfo *cell, BelId bel);
+
+#endif