Merge pull request #578 from YosysHQ/machxo2-rebase

machxo2, rebased and updated

1 files changed, 177 insertions, 0 deletions

diff --git a/machxo2/archdefs.h b/machxo2/archdefs.h
new file mode 100644
index 00000000..844a87b6
--- /dev/null
+++ b/machxo2/archdefs.h
@@ -0,0 +1,177 @@
+/*
+ *  nextpnr -- Next Generation Place and Route
+ *
+ *  Copyright (C) 2018  Claire Xen <claire@symbioticeda.com>
+ *  Copyright (C) 2021  William D. Jones <wjones@wdj-consulting.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 delay = 0;
+
+    delay_t minRaiseDelay() const { return delay; }
+    delay_t maxRaiseDelay() const { return delay; }
+
+    delay_t minFallDelay() const { return delay; }
+    delay_t maxFallDelay() const { return delay; }
+
+    delay_t minDelay() const { return delay; }
+    delay_t maxDelay() const { return delay; }
+
+    DelayInfo operator+(const DelayInfo &other) const
+    {
+        DelayInfo ret;
+        ret.delay = this->delay + other.delay;
+        return ret;
+    }
+};
+
+enum ConstIds
+{
+    ID_NONE
+#define X(t) , ID_##t
+#include "constids.inc"
+#undef X
+    ,
+    DB_CONST_ID_COUNT
+};
+
+#define X(t) static constexpr auto id_##t = IdString(ID_##t);
+#include "constids.inc"
+#undef X
+
+NPNR_PACKED_STRUCT(struct LocationPOD { int16_t x, y; });
+
+struct Location
+{
+    int16_t x = -1, y = -1;
+    Location() : x(-1), y(-1){};
+    Location(int16_t x, int16_t y) : x(x), y(y){};
+    Location(const LocationPOD &pod) : x(pod.x), y(pod.y){};
+    Location(const Location &loc) : x(loc.x), y(loc.y){};
+
+    bool operator==(const Location &other) const { return x == other.x && y == other.y; }
+    bool operator!=(const Location &other) const { return x != other.x || y != other.y; }
+    bool operator<(const Location &other) const { return y == other.y ? x < other.x : y < other.y; }
+};
+
+inline Location operator+(const Location &a, const Location &b) { return Location(a.x + b.x, a.y + b.y); }
+
+struct BelId
+{
+    Location location;
+    int32_t index = -1;
+
+    bool operator==(const BelId &other) const { return index == other.index && location == other.location; }
+    bool operator!=(const BelId &other) const { return index != other.index || location != other.location; }
+    bool operator<(const BelId &other) const
+    {
+        return location == other.location ? index < other.index : location < other.location;
+    }
+};
+
+struct WireId
+{
+    Location location;
+    int32_t index = -1;
+
+    bool operator==(const WireId &other) const { return index == other.index && location == other.location; }
+    bool operator!=(const WireId &other) const { return index != other.index || location != other.location; }
+    bool operator<(const WireId &other) const
+    {
+        return location == other.location ? index < other.index : location < other.location;
+    }
+};
+
+struct PipId
+{
+    Location location;
+    int32_t index = -1;
+
+    bool operator==(const PipId &other) const { return index == other.index && location == other.location; }
+    bool operator!=(const PipId &other) const { return index != other.index || location != other.location; }
+    bool operator<(const PipId &other) const
+    {
+        return location == other.location ? index < other.index : location < other.location;
+    }
+};
+
+typedef IdString GroupId;
+typedef IdString DecalId;
+typedef IdString BelBucketId;
+
+struct ArchNetInfo
+{
+};
+
+struct NetInfo;
+
+struct ArchCellInfo
+{
+};
+
+NEXTPNR_NAMESPACE_END
+
+namespace std {
+template <> struct hash<NEXTPNR_NAMESPACE_PREFIX Location>
+{
+    std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX Location &loc) const noexcept
+    {
+        std::size_t seed = std::hash<int>()(loc.x);
+        seed ^= std::hash<int>()(loc.y) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
+        return seed;
+    }
+};
+
+template <> struct hash<NEXTPNR_NAMESPACE_PREFIX BelId>
+{
+    std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX BelId &bel) const noexcept
+    {
+        std::size_t seed = std::hash<NEXTPNR_NAMESPACE_PREFIX Location>()(bel.location);
+        seed ^= std::hash<int>()(bel.index) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
+        return seed;
+    }
+};
+
+template <> struct hash<NEXTPNR_NAMESPACE_PREFIX WireId>
+{
+    std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX WireId &wire) const noexcept
+    {
+        std::size_t seed = std::hash<NEXTPNR_NAMESPACE_PREFIX Location>()(wire.location);
+        seed ^= std::hash<int>()(wire.index) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
+        return seed;
+    }
+};
+
+template <> struct hash<NEXTPNR_NAMESPACE_PREFIX PipId>
+{
+    std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX PipId &pip) const noexcept
+    {
+        std::size_t seed = std::hash<NEXTPNR_NAMESPACE_PREFIX Location>()(pip.location);
+        seed ^= std::hash<int>()(pip.index) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
+        return seed;
+    }
+};
+
+} // namespace std