1 files changed, 94 insertions, 0 deletions
diff --git a/gowin/archdefs.h b/gowin/archdefs.h
new file mode 100644
index 00000000..adeb8a0d
--- /dev/null
+++ b/gowin/archdefs.h
@@ -0,0 +1,94 @@
+/*
+ *  nextpnr -- Next Generation Place and Route
+ *
+ *  Copyright (C) 2018  Claire Wolf <claire@symbioticeda.com>
+ *  Copyright (C) 2020  Pepijn de Vos <pepijn@symbioticeda.com>
+ *
+ *  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 NEXTPNR_H
+#error Include "archdefs.h" via "nextpnr.h" only.
+#endif
+
+NEXTPNR_NAMESPACE_BEGIN
+
+typedef float delay_t;
+
+struct DelayInfo
+{
+    delay_t minRaise = 0;
+    delay_t minFall = 0;
+    delay_t maxRaise = 0;
+    delay_t maxFall = 0;
+
+    delay_t minRaiseDelay() const { return minRaise; }
+    delay_t maxRaiseDelay() const { return maxRaise; }
+
+    delay_t minFallDelay() const { return minFall; }
+    delay_t maxFallDelay() const { return maxFall; }
+
+    delay_t minDelay() const { return std::min(minFall, minRaise); }
+    delay_t maxDelay() const { return std::max(maxFall, maxRaise); }
+
+    DelayInfo operator+(const DelayInfo &other) const
+    {
+        DelayInfo ret;
+        ret.minRaise = this->minRaise + other.minRaise;
+        ret.maxRaise = this->maxRaise + other.maxRaise;
+        ret.minFall = this->minFall + other.minFall;
+        ret.maxFall = this->maxFall + other.maxFall;
+        return ret;
+    }
+};
+
+#ifndef Q_MOC_RUN
+enum ConstIds
+{
+    ID_NONE
+#define X(t) , ID_##t
+#include "constids.inc"
+#undef X
+};
+
+#define X(t) static constexpr auto id_##t = IdString(ID_##t);
+#include "constids.inc"
+#undef X
+#endif
+
+typedef IdString BelId;
+typedef IdString WireId;
+typedef IdString PipId;
+typedef IdString GroupId;
+typedef IdString DecalId;
+
+struct ArchNetInfo
+{
+};
+
+struct NetInfo;
+
+struct ArchCellInfo
+{
+    // Is the flip-flop of this slice used
+    bool ff_used;
+    // Is a slice type primitive
+    bool is_slice;
+    // Only packing rule for slice type primitives is a single clock per tile
+    const NetInfo *slice_clk;
+    const NetInfo *slice_ce;
+    const NetInfo *slice_lsr;
+};
+
+NEXTPNR_NAMESPACE_END