nextpnr/gowin/archdefs.h

/*
 *  nextpnr -- Next Generation Place and Route
 *
 *  Copyright (C) 2018  Clifford Wolf <clifford@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
{
    // Custom grouping set via "PACK_GROUP" attribute. All cells with the same group
    // value may share a tile (-1 = don't care, default if not set)
    int user_group;
    // 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