Initial FPGA interchange (which is just a cut-down xilinx arch).

Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>

1 files changed, 87 insertions, 0 deletions

diff --git a/fpga_interchange/fpga_interchange_archdefs.h b/fpga_interchange/fpga_interchange_archdefs.h
new file mode 100644
index 00000000..5495505b
--- /dev/null
+++ b/fpga_interchange/fpga_interchange_archdefs.h
@@ -0,0 +1,87 @@
+#include <cstdint>
+
+typedef int 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;
+    }
+};
+
+struct BelId
+{
+    // Tile that contains this BEL.
+    int32_t tile = -1;
+    // Index into tile type BEL array.
+    // BEL indicies are the same for all tiles of the same type.
+    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
+{
+    // Tile that contains this wire.
+    int32_t tile = -1;
+    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;
+    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
+{
+};
+
+struct DecalId
+{
+};
+
+struct ArchNetInfo
+{
+};
+
+struct NetInfo
+{
+};
+
+struct ArchCellInfo
+{
+};