622 lines
13 KiB
C++
622 lines
13 KiB
C++
/*
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* nextpnr -- Next Generation Place and Route
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*
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* Copyright (C) 2018 Clifford Wolf <clifford@clifford.at>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#include "design.h"
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#ifndef CHIP_H
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#define CHIP_H
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struct DelayInfo
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{
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float delay = 0;
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float raiseDelay() { return delay; }
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float fallDelay() { return delay; }
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};
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// -----------------------------------------------------------------------
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enum BelType
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{
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TYPE_NIL,
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TYPE_ICESTORM_LC,
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TYPE_ICESTORM_RAM,
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TYPE_SB_IO
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};
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IdString belTypeToId(BelType type);
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BelType belTypeFromId(IdString id);
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enum PortPin
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{
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PIN_NIL,
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PIN_IN_0,
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PIN_IN_1,
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PIN_IN_2,
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PIN_IN_3,
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PIN_O,
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PIN_LO,
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PIN_CIN,
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PIN_COUT,
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PIN_CEN,
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PIN_CLK,
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PIN_SR,
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PIN_MASK_0,
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PIN_MASK_1,
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PIN_MASK_2,
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PIN_MASK_3,
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PIN_MASK_4,
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PIN_MASK_5,
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PIN_MASK_6,
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PIN_MASK_7,
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PIN_MASK_8,
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PIN_MASK_9,
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PIN_MASK_10,
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PIN_MASK_11,
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PIN_MASK_12,
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PIN_MASK_13,
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PIN_MASK_14,
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PIN_MASK_15,
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PIN_RDATA_0,
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PIN_RDATA_1,
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PIN_RDATA_2,
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PIN_RDATA_3,
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PIN_RDATA_4,
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PIN_RDATA_5,
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PIN_RDATA_6,
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PIN_RDATA_7,
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PIN_RDATA_8,
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PIN_RDATA_9,
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PIN_RDATA_10,
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PIN_RDATA_11,
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PIN_RDATA_12,
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PIN_RDATA_13,
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PIN_RDATA_14,
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PIN_RDATA_15,
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PIN_WDATA_0,
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PIN_WDATA_1,
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PIN_WDATA_2,
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PIN_WDATA_3,
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PIN_WDATA_4,
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PIN_WDATA_5,
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PIN_WDATA_6,
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PIN_WDATA_7,
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PIN_WDATA_8,
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PIN_WDATA_9,
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PIN_WDATA_10,
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PIN_WDATA_11,
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PIN_WDATA_12,
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PIN_WDATA_13,
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PIN_WDATA_14,
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PIN_WDATA_15,
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PIN_WADDR_0,
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PIN_WADDR_1,
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PIN_WADDR_2,
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PIN_WADDR_3,
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PIN_WADDR_4,
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PIN_WADDR_5,
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PIN_WADDR_6,
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PIN_WADDR_7,
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PIN_WADDR_8,
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PIN_WADDR_9,
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PIN_WADDR_10,
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PIN_RADDR_0,
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PIN_RADDR_1,
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PIN_RADDR_2,
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PIN_RADDR_3,
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PIN_RADDR_4,
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PIN_RADDR_5,
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PIN_RADDR_6,
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PIN_RADDR_7,
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PIN_RADDR_8,
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PIN_RADDR_9,
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PIN_RADDR_10,
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PIN_WCLK,
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PIN_WCLKE,
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PIN_WE,
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PIN_RCLK,
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PIN_RCLKE,
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PIN_RE,
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PIN_PACKAGE_PIN,
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PIN_LATCH_INPUT_VALUE,
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PIN_CLOCK_ENABLE,
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PIN_INPUT_CLK,
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PIN_OUTPUT_CLK,
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PIN_OUTPUT_ENABLE,
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PIN_D_OUT_0,
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PIN_D_OUT_1,
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PIN_D_IN_0,
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PIN_D_IN_1
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};
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IdString PortPinToId(PortPin type);
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PortPin PortPinFromId(IdString id);
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// -----------------------------------------------------------------------
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struct BelInfoPOD
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{
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const char *name;
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BelType type;
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int8_t x, y, z;
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};
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struct BelPortPOD
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{
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int32_t bel_index;
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PortPin port;
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};
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struct PipInfoPOD
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{
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int32_t src, dst;
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float delay;
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int8_t x, y;
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};
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struct WireInfoPOD
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{
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const char *name;
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int num_uphill, num_downhill;
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int *pips_uphill, *pips_downhill;
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int num_bels_downhill;
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BelPortPOD bel_uphill;
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BelPortPOD *bels_downhill;
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float x, y;
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};
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struct ChipInfoPOD
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{
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int width, height;
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int num_bels, num_wires, num_pips;
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BelInfoPOD *bel_data;
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WireInfoPOD *wire_data;
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PipInfoPOD *pip_data;
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};
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extern ChipInfoPOD chip_info_384;
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extern ChipInfoPOD chip_info_1k;
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extern ChipInfoPOD chip_info_5k;
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extern ChipInfoPOD chip_info_8k;
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// -----------------------------------------------------------------------
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struct BelId
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{
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int32_t index = -1;
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bool nil() const { return index < 0; }
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bool operator==(const BelId &other) const { return index == other.index; }
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bool operator!=(const BelId &other) const { return index != other.index; }
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};
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struct WireId
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{
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int32_t index = -1;
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bool nil() const { return index < 0; }
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bool operator==(const WireId &other) const { return index == other.index; }
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bool operator!=(const WireId &other) const { return index != other.index; }
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};
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struct PipId
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{
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int32_t index = -1;
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bool nil() const { return index < 0; }
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bool operator==(const PipId &other) const { return index == other.index; }
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bool operator!=(const PipId &other) const { return index != other.index; }
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};
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struct BelPin
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{
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BelId bel;
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PortPin pin;
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};
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namespace std {
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template <> struct hash<BelId>
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{
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std::size_t operator()(const BelId &bel) const noexcept
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{
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return bel.index;
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}
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};
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template <> struct hash<WireId>
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{
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std::size_t operator()(const WireId &wire) const noexcept
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{
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return wire.index;
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}
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};
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template <> struct hash<PipId>
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{
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std::size_t operator()(const PipId &wire) const noexcept
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{
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return wire.index;
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}
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};
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}
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// -----------------------------------------------------------------------
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struct BelIterator
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{
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int cursor;
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void operator++() { cursor++; }
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bool operator!=(const BelIterator &other) const
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{
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return cursor != other.cursor;
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}
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BelId operator*() const
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{
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BelId ret;
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ret.index = cursor;
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return ret;
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}
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};
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struct BelRange
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{
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BelIterator b, e;
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BelIterator begin() const { return b; }
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BelIterator end() const { return e; }
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};
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// -----------------------------------------------------------------------
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struct BelPinIterator
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{
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BelPortPOD *ptr = nullptr;
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void operator++() { ptr++; }
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bool operator!=(const BelPinIterator &other) const
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{
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return ptr != other.ptr;
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}
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BelPin operator*() const
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{
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BelPin ret;
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ret.bel.index = ptr->bel_index;
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ret.pin = ptr->port;
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return ret;
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}
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};
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struct BelPinRange
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{
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BelPinIterator b, e;
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BelPinIterator begin() const { return b; }
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BelPinIterator end() const { return e; }
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};
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// -----------------------------------------------------------------------
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struct WireIterator
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{
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int cursor = -1;
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void operator++() { cursor++; }
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bool operator!=(const WireIterator &other) const
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{
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return cursor != other.cursor;
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}
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WireId operator*() const
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{
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WireId ret;
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ret.index = cursor;
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return ret;
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}
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};
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struct WireRange
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{
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WireIterator b, e;
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WireIterator begin() const { return b; }
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WireIterator end() const { return e; }
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};
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// -----------------------------------------------------------------------
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struct AllPipIterator
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{
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int cursor = -1;
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void operator++() { cursor++; }
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bool operator!=(const AllPipIterator &other) const
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{
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return cursor != other.cursor;
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}
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PipId operator*() const
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{
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PipId ret;
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ret.index = cursor;
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return ret;
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}
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};
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struct AllPipRange
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{
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AllPipIterator b, e;
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AllPipIterator begin() const { return b; }
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AllPipIterator end() const { return e; }
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};
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// -----------------------------------------------------------------------
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struct PipIterator
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{
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int *cursor = nullptr;
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void operator++() { cursor++; }
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bool operator!=(const PipIterator &other) const
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{
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return cursor != other.cursor;
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}
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PipId operator*() const
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{
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PipId ret;
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ret.index = *cursor;
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return ret;
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}
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};
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struct PipRange
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{
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PipIterator b, e;
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PipIterator begin() const { return b; }
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PipIterator end() const { return e; }
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};
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// -----------------------------------------------------------------------
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struct ChipArgs
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{
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enum
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{
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NONE,
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LP384,
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LP1K,
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LP8K,
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HX1K,
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HX8K,
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UP5K
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} type = NONE;
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};
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struct Chip
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{
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ChipInfoPOD chip_info;
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mutable dict<IdString, int> bel_by_name;
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mutable dict<IdString, int> wire_by_name;
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mutable dict<IdString, int> pip_by_name;
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Chip(ChipArgs args);
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// -------------------------------------------------
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BelId getBelByName(IdString name) const;
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IdString getBelName(BelId bel) const
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{
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assert(!bel.nil());
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return chip_info.bel_data[bel.index].name;
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}
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void bindBel(BelId bel, IdString cell) {}
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void unbindBel(BelId bel) {}
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bool checkBelAvail(BelId bel) const {}
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BelRange getBels() const
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{
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BelRange range;
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range.b.cursor = 0;
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range.e.cursor = chip_info.num_bels;
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return range;
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}
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BelRange getBelsByType(BelType type) const
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{
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BelRange range;
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// FIXME
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#if 0
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if (type == "TYPE_A") {
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range.b.cursor = bels_type_a_begin;
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range.e.cursor = bels_type_a_end;
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}
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...
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#endif
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return range;
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}
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BelType getBelType(BelId bel) const
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{
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assert(!bel.nil());
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return chip_info.bel_data[bel.index].type;
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}
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WireId getWireBelPin(BelId bel, PortPin pin) const;
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BelPin getBelPinUphill(WireId wire) const
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{
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BelPin ret;
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assert(!wire.nil());
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if (chip_info.wire_data[wire.index].bel_uphill.bel_index >= 0) {
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ret.bel.index =
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chip_info.wire_data[wire.index].bel_uphill.bel_index;
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ret.pin = chip_info.wire_data[wire.index].bel_uphill.port;
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}
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return ret;
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}
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BelPinRange getBelPinsDownhill(WireId wire) const
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{
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BelPinRange range;
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assert(!wire.nil());
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range.b.ptr = chip_info.wire_data[wire.index].bels_downhill;
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range.e.ptr =
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range.b.ptr + chip_info.wire_data[wire.index].num_bels_downhill;
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return range;
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}
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// -------------------------------------------------
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WireId getWireByName(IdString name) const;
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IdString getWireName(WireId wire) const
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{
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assert(!wire.nil());
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return chip_info.wire_data[wire.index].name;
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}
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void bindWire(WireId bel, IdString net) {}
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void unbindWire(WireId bel) {}
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bool checkWireAvail(WireId bel) const {}
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WireRange getWires() const
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{
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WireRange range;
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range.b.cursor = 0;
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range.e.cursor = chip_info.num_wires;
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return range;
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}
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// -------------------------------------------------
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PipId getPipByName(IdString name) const;
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IdString getPipName(PipId pip) const
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{
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assert(!pip.nil());
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std::string src_name =
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chip_info.wire_data[chip_info.pip_data[pip.index].src].name;
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std::string dst_name =
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chip_info.wire_data[chip_info.pip_data[pip.index].dst].name;
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return src_name + "->" + dst_name;
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}
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void bindPip(PipId bel, IdString net) {}
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void unbindPip(PipId bel) {}
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bool checkPipAvail(PipId bel) const {}
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AllPipRange getPips() const
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{
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AllPipRange range;
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range.b.cursor = 0;
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range.e.cursor = chip_info.num_pips;
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return range;
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}
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WireId getPipSrcWire(PipId pip) const
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{
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WireId wire;
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assert(!pip.nil());
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wire.index = chip_info.pip_data[pip.index].src;
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return wire;
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}
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WireId getPipDstWire(PipId pip) const
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{
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WireId wire;
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assert(!pip.nil());
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wire.index = chip_info.pip_data[pip.index].dst;
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return wire;
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}
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DelayInfo getPipDelay(PipId pip) const
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{
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DelayInfo delay;
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assert(!pip.nil());
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delay.delay = chip_info.pip_data[pip.index].delay;
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return delay;
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}
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PipRange getPipsDownhill(WireId wire) const
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{
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PipRange range;
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assert(!wire.nil());
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range.b.cursor = chip_info.wire_data[wire.index].pips_downhill;
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range.e.cursor =
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range.b.cursor + chip_info.wire_data[wire.index].num_downhill;
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return range;
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}
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PipRange getPipsUphill(WireId wire) const
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{
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PipRange range;
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assert(!wire.nil());
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range.b.cursor = chip_info.wire_data[wire.index].pips_uphill;
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range.e.cursor =
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range.b.cursor + chip_info.wire_data[wire.index].num_uphill;
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return range;
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}
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PipRange getWireAliases(WireId wire) const
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{
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PipRange range;
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assert(!wire.nil());
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range.b.cursor = nullptr;
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range.e.cursor = nullptr;
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return range;
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}
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// -------------------------------------------------
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void getBelPosition(BelId bel, float &x, float &y) const;
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void getWirePosition(WireId wire, float &x, float &y) const;
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void getPipPosition(PipId pip, float &x, float &y) const;
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vector<GraphicElement> getBelGraphics(BelId bel) const;
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vector<GraphicElement> getWireGraphics(WireId wire) const;
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vector<GraphicElement> getPipGraphics(PipId pip) const;
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vector<GraphicElement> getFrameGraphics() const;
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};
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#endif
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