Adding archdefs and bba PODs

Signed-off-by: David Shah <dave@ds0.me>

1 files changed, 215 insertions, 0 deletions

diff --git a/nexus/archdefs.h b/nexus/archdefs.h
new file mode 100644
index 00000000..32c48cdf
--- /dev/null
+++ b/nexus/archdefs.h
@@ -0,0 +1,215 @@
+/*
+ *  nextpnr -- Next Generation Place and Route
+ *
+ *  Copyright (C) 2020  David Shah <dave@ds0.me>
+ *
+ *  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 int delay_t;
+
+struct DelayInfo
+{
+    delay_t min_delay = 0, max_delay = 0;
+
+    delay_t minRaiseDelay() const { return min_delay; }
+    delay_t maxRaiseDelay() const { return max_delay; }
+
+    delay_t minFallDelay() const { return min_delay; }
+    delay_t maxFallDelay() const { return max_delay; }
+
+    delay_t minDelay() const { return min_delay; }
+    delay_t maxDelay() const { return max_delay; }
+
+    DelayInfo operator+(const DelayInfo &other) const
+    {
+        DelayInfo ret;
+        ret.min_delay = this->min_delay + other.min_delay;
+        ret.max_delay = this->max_delay + other.max_delay;
+        return ret;
+    }
+};
+
+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
+
+struct BelId
+{
+    int32_t tile = -1;
+    // PIP index in tile
+    int32_t index = -1;
+
+    bool operator==(const BelId &other) const { return tile == other.tile && index == other.index; }
+    bool operator!=(const BelId &other) const { return tile != other.tile || index != other.index; }
+    bool operator<(const BelId &other) const
+    {
+        return tile < other.tile || (tile == other.tile && index < other.index);
+    }
+};
+
+struct WireId
+{
+    int32_t tile = -1;
+    // Node wires: tile == -1; index = node index in chipdb
+    // Tile wires: tile != -1; index = wire index in tile
+    int32_t index = -1;
+
+    bool operator==(const WireId &other) const { return tile == other.tile && index == other.index; }
+    bool operator!=(const WireId &other) const { return tile != other.tile || index != other.index; }
+    bool operator<(const WireId &other) const
+    {
+        return tile < other.tile || (tile == other.tile && index < other.index);
+    }
+};
+
+struct PipId
+{
+    int32_t tile = -1;
+    // PIP index in tile
+    int32_t index = -1;
+
+    bool operator==(const PipId &other) const { return tile == other.tile && index == other.index; }
+    bool operator!=(const PipId &other) const { return tile != other.tile || index != other.index; }
+    bool operator<(const PipId &other) const
+    {
+        return tile < other.tile || (tile == other.tile && index < other.index);
+    }
+};
+
+struct GroupId
+{
+    enum : int8_t
+    {
+        TYPE_NONE,
+    } type = TYPE_NONE;
+    int8_t x = 0, y = 0;
+
+    bool operator==(const GroupId &other) const { return (type == other.type) && (x == other.x) && (y == other.y); }
+    bool operator!=(const GroupId &other) const { return (type != other.type) || (x != other.x) || (y == other.y); }
+};
+
+struct DecalId
+{
+    enum : int8_t
+    {
+        TYPE_NONE,
+        TYPE_BEL,
+        TYPE_WIRE,
+        TYPE_PIP,
+        TYPE_GROUP
+    } type = TYPE_NONE;
+    int32_t index = -1;
+    bool active = false;
+
+    bool operator==(const DecalId &other) const { return (type == other.type) && (index == other.index); }
+    bool operator!=(const DecalId &other) const { return (type != other.type) || (index != other.index); }
+};
+
+struct ArchNetInfo
+{
+    bool is_global = false;
+    bool is_clock, is_reset = false, is_enable = false;
+};
+
+struct ArchCellInfo
+{
+    union
+    {
+        struct
+        {
+            bool is_memory, is_carry;
+            int input_count;
+        } lutInfo;
+        struct
+        {
+            bool is_clkinv, is_lsrinv, is_ceinv, is_async, gsr;
+            NetInfo *clk, *lsr, *ce, *d;
+        } ffInfo;
+    };
+};
+
+NEXTPNR_NAMESPACE_END
+
+namespace std {
+template <> struct hash<NEXTPNR_NAMESPACE_PREFIX BelId>
+{
+    std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX BelId &bel) const noexcept
+    {
+        std::size_t seed = 0;
+        boost::hash_combine(seed, hash<int>()(bel.tile));
+        boost::hash_combine(seed, hash<int>()(bel.index));
+        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 = 0;
+        boost::hash_combine(seed, hash<int>()(wire.tile));
+        boost::hash_combine(seed, hash<int>()(wire.index));
+        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 = 0;
+        boost::hash_combine(seed, hash<int>()(pip.tile));
+        boost::hash_combine(seed, hash<int>()(pip.index));
+        return seed;
+    }
+};
+
+template <> struct hash<NEXTPNR_NAMESPACE_PREFIX GroupId>
+{
+    std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX GroupId &group) const noexcept
+    {
+        std::size_t seed = 0;
+        boost::hash_combine(seed, hash<int>()(group.type));
+        boost::hash_combine(seed, hash<int>()(group.x));
+        boost::hash_combine(seed, hash<int>()(group.y));
+        return seed;
+    }
+};
+
+template <> struct hash<NEXTPNR_NAMESPACE_PREFIX DecalId>
+{
+    std::size_t operator()(const NEXTPNR_NAMESPACE_PREFIX DecalId &decal) const noexcept
+    {
+        std::size_t seed = 0;
+        boost::hash_combine(seed, hash<int>()(decal.type));
+        boost::hash_combine(seed, hash<int>()(decal.index));
+        return seed;
+    }
+};
+} // namespace std