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/*
* nextpnr -- Next Generation Place and Route
*
* Copyright (C) 2018 Clifford Wolf <clifford@clifford.at>
*
* 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.
*
*/
#include "design.h"
#ifndef CHIP_H
#define CHIP_H
struct DelayInfo
{
float delay = 0;
float raiseDelay() { return delay; }
float fallDelay() { return delay; }
};
// -----------------------------------------------------------------------
enum BelType
{
TYPE_NIL,
TYPE_ICESTORM_LC,
TYPE_ICESTORM_RAM,
TYPE_SB_IO
};
IdString belTypeToId(BelType type);
BelType belTypeFromId(IdString id);
enum PortPin
{
PIN_NIL,
#define X(t) PIN_##t,
#include "portpins.inc"
#undef X
};
IdString PortPinToId(PortPin type);
PortPin PortPinFromId(IdString id);
// -----------------------------------------------------------------------
struct BelInfoPOD
{
const char *name;
BelType type;
int8_t x, y, z;
};
struct BelPortPOD
{
int32_t bel_index;
PortPin port;
};
struct PipInfoPOD
{
int32_t src, dst;
float delay;
int8_t x, y;
};
struct WireInfoPOD
{
const char *name;
int num_uphill, num_downhill;
int *pips_uphill, *pips_downhill;
int num_bels_downhill;
BelPortPOD bel_uphill;
BelPortPOD *bels_downhill;
float x, y;
};
struct ChipInfoPOD
{
int width, height;
int num_bels, num_wires, num_pips;
BelInfoPOD *bel_data;
WireInfoPOD *wire_data;
PipInfoPOD *pip_data;
};
extern ChipInfoPOD chip_info_384;
extern ChipInfoPOD chip_info_1k;
extern ChipInfoPOD chip_info_5k;
extern ChipInfoPOD chip_info_8k;
// -----------------------------------------------------------------------
struct BelId
{
int32_t index = -1;
bool nil() const { return index < 0; }
bool operator==(const BelId &other) const { return index == other.index; }
bool operator!=(const BelId &other) const { return index != other.index; }
};
struct WireId
{
int32_t index = -1;
bool nil() const { return index < 0; }
bool operator==(const WireId &other) const { return index == other.index; }
bool operator!=(const WireId &other) const { return index != other.index; }
};
struct PipId
{
int32_t index = -1;
bool nil() const { return index < 0; }
bool operator==(const PipId &other) const { return index == other.index; }
bool operator!=(const PipId &other) const { return index != other.index; }
};
struct BelPin
{
BelId bel;
PortPin pin;
};
namespace std {
template <> struct hash<BelId>
{
std::size_t operator()(const BelId &bel) const noexcept
{
return bel.index;
}
};
template <> struct hash<WireId>
{
std::size_t operator()(const WireId &wire) const noexcept
{
return wire.index;
}
};
template <> struct hash<PipId>
{
std::size_t operator()(const PipId &wire) const noexcept
{
return wire.index;
}
};
} // namespace std
// -----------------------------------------------------------------------
struct BelIterator
{
int cursor;
BelIterator operator++() { cursor++; return *this; }
BelIterator operator++(int) {
BelIterator prior(*this);
cursor++;
return prior;
}
bool operator!=(const BelIterator &other) const
{
return cursor != other.cursor;
}
bool operator==(const BelIterator &other) const
{
return cursor == other.cursor;
}
BelId operator*() const
{
BelId ret;
ret.index = cursor;
return ret;
}
};
struct BelRange
{
BelIterator b, e;
BelIterator begin() const { return b; }
BelIterator end() const { return e; }
};
// -----------------------------------------------------------------------
struct BelPinIterator
{
BelPortPOD *ptr = nullptr;
void operator++() { ptr++; }
bool operator!=(const BelPinIterator &other) const
{
return ptr != other.ptr;
}
BelPin operator*() const
{
BelPin ret;
ret.bel.index = ptr->bel_index;
ret.pin = ptr->port;
return ret;
}
};
struct BelPinRange
{
BelPinIterator b, e;
BelPinIterator begin() const { return b; }
BelPinIterator end() const { return e; }
};
// -----------------------------------------------------------------------
struct WireIterator
{
int cursor = -1;
void operator++() { cursor++; }
bool operator!=(const WireIterator &other) const
{
return cursor != other.cursor;
}
WireId operator*() const
{
WireId ret;
ret.index = cursor;
return ret;
}
};
struct WireRange
{
WireIterator b, e;
WireIterator begin() const { return b; }
WireIterator end() const { return e; }
};
// -----------------------------------------------------------------------
struct AllPipIterator
{
int cursor = -1;
void operator++() { cursor++; }
bool operator!=(const AllPipIterator &other) const
{
return cursor != other.cursor;
}
PipId operator*() const
{
PipId ret;
ret.index = cursor;
return ret;
}
};
struct AllPipRange
{
AllPipIterator b, e;
AllPipIterator begin() const { return b; }
AllPipIterator end() const { return e; }
};
// -----------------------------------------------------------------------
struct PipIterator
{
int *cursor = nullptr;
void operator++() { cursor++; }
bool operator!=(const PipIterator &other) const
{
return cursor != other.cursor;
}
PipId operator*() const
{
PipId ret;
ret.index = *cursor;
return ret;
}
};
struct PipRange
{
PipIterator b, e;
PipIterator begin() const { return b; }
PipIterator end() const { return e; }
};
// -----------------------------------------------------------------------
struct ChipArgs
{
enum
{
NONE,
LP384,
LP1K,
LP8K,
HX1K,
HX8K,
UP5K
} type = NONE;
};
struct Chip
{
ChipInfoPOD chip_info;
mutable dict<IdString, int> bel_by_name;
mutable dict<IdString, int> wire_by_name;
mutable dict<IdString, int> pip_by_name;
Chip(ChipArgs args);
// -------------------------------------------------
BelId getBelByName(IdString name) const;
IdString getBelName(BelId bel) const
{
assert(!bel.nil());
return chip_info.bel_data[bel.index].name;
}
void bindBel(BelId bel, IdString cell) {}
void unbindBel(BelId bel) {}
bool checkBelAvail(BelId bel) const {}
BelRange getBels() const
{
BelRange range;
range.b.cursor = 0;
range.e.cursor = chip_info.num_bels;
return range;
}
BelRange getBelsByType(BelType type) const
{
BelRange range;
// FIXME
#if 0
if (type == "TYPE_A") {
range.b.cursor = bels_type_a_begin;
range.e.cursor = bels_type_a_end;
}
...
#endif
return range;
}
BelType getBelType(BelId bel) const
{
assert(!bel.nil());
return chip_info.bel_data[bel.index].type;
}
WireId getWireBelPin(BelId bel, PortPin pin) const;
BelPin getBelPinUphill(WireId wire) const
{
BelPin ret;
assert(!wire.nil());
if (chip_info.wire_data[wire.index].bel_uphill.bel_index >= 0) {
ret.bel.index =
chip_info.wire_data[wire.index].bel_uphill.bel_index;
ret.pin = chip_info.wire_data[wire.index].bel_uphill.port;
}
return ret;
}
BelPinRange getBelPinsDownhill(WireId wire) const
{
BelPinRange range;
assert(!wire.nil());
range.b.ptr = chip_info.wire_data[wire.index].bels_downhill;
range.e.ptr =
range.b.ptr + chip_info.wire_data[wire.index].num_bels_downhill;
return range;
}
// -------------------------------------------------
WireId getWireByName(IdString name) const;
IdString getWireName(WireId wire) const
{
assert(!wire.nil());
return chip_info.wire_data[wire.index].name;
}
void bindWire(WireId bel, IdString net) {}
void unbindWire(WireId bel) {}
bool checkWireAvail(WireId bel) const {}
WireRange getWires() const
{
WireRange range;
range.b.cursor = 0;
range.e.cursor = chip_info.num_wires;
return range;
}
// -------------------------------------------------
PipId getPipByName(IdString name) const;
IdString getPipName(PipId pip) const
{
assert(!pip.nil());
std::string src_name =
chip_info.wire_data[chip_info.pip_data[pip.index].src].name;
std::string dst_name =
chip_info.wire_data[chip_info.pip_data[pip.index].dst].name;
return src_name + "->" + dst_name;
}
void bindPip(PipId bel, IdString net) {}
void unbindPip(PipId bel) {}
bool checkPipAvail(PipId bel) const {}
AllPipRange getPips() const
{
AllPipRange range;
range.b.cursor = 0;
range.e.cursor = chip_info.num_pips;
return range;
}
WireId getPipSrcWire(PipId pip) const
{
WireId wire;
assert(!pip.nil());
wire.index = chip_info.pip_data[pip.index].src;
return wire;
}
WireId getPipDstWire(PipId pip) const
{
WireId wire;
assert(!pip.nil());
wire.index = chip_info.pip_data[pip.index].dst;
return wire;
}
DelayInfo getPipDelay(PipId pip) const
{
DelayInfo delay;
assert(!pip.nil());
delay.delay = chip_info.pip_data[pip.index].delay;
return delay;
}
PipRange getPipsDownhill(WireId wire) const
{
PipRange range;
assert(!wire.nil());
range.b.cursor = chip_info.wire_data[wire.index].pips_downhill;
range.e.cursor =
range.b.cursor + chip_info.wire_data[wire.index].num_downhill;
return range;
}
PipRange getPipsUphill(WireId wire) const
{
PipRange range;
assert(!wire.nil());
range.b.cursor = chip_info.wire_data[wire.index].pips_uphill;
range.e.cursor =
range.b.cursor + chip_info.wire_data[wire.index].num_uphill;
return range;
}
PipRange getWireAliases(WireId wire) const
{
PipRange range;
assert(!wire.nil());
range.b.cursor = nullptr;
range.e.cursor = nullptr;
return range;
}
// -------------------------------------------------
void getBelPosition(BelId bel, float &x, float &y) const;
void getWirePosition(WireId wire, float &x, float &y) const;
void getPipPosition(PipId pip, float &x, float &y) const;
vector<GraphicElement> getBelGraphics(BelId bel) const;
vector<GraphicElement> getWireGraphics(WireId wire) const;
vector<GraphicElement> getPipGraphics(PipId pip) const;
vector<GraphicElement> getFrameGraphics() const;
};
#endif
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