/* * nextpnr -- Next Generation Place and Route * * Copyright (C) 2021 gatecat * * 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 "viaduct_api.h" #include "nextpnr.h" // Default implementations for Viaduct API hooks NEXTPNR_NAMESPACE_BEGIN void ViaductAPI::init(Context *ctx) { this->ctx = ctx; } std::vector ViaductAPI::getCellTypes() const { pool cell_types; for (auto bel : ctx->bels) { cell_types.insert(bel.type); } return std::vector{cell_types.begin(), cell_types.end()}; } BelBucketId ViaductAPI::getBelBucketForBel(BelId bel) const { return ctx->getBelType(bel); } BelBucketId ViaductAPI::getBelBucketForCellType(IdString cell_type) const { return cell_type; } bool ViaductAPI::isValidBelForCellType(IdString cell_type, BelId bel) const { return ctx->getBelType(bel) == cell_type; } delay_t ViaductAPI::estimateDelay(WireId src, WireId dst) const { const WireInfo &s = ctx->wire_info(src); const WireInfo &d = ctx->wire_info(dst); int dx = abs(s.x - d.x); int dy = abs(s.y - d.y); return (dx + dy) * ctx->args.delayScale + ctx->args.delayOffset; } delay_t ViaductAPI::predictDelay(BelId src_bel, IdString src_pin, BelId dst_bel, IdString dst_pin) const { NPNR_UNUSED(src_pin); NPNR_UNUSED(dst_pin); auto driver_loc = ctx->getBelLocation(src_bel); auto sink_loc = ctx->getBelLocation(dst_bel); int dx = abs(sink_loc.x - driver_loc.x); int dy = abs(sink_loc.y - driver_loc.y); return (dx + dy) * ctx->args.delayScale + ctx->args.delayOffset; } ArcBounds ViaductAPI::getRouteBoundingBox(WireId src, WireId dst) const { ArcBounds bb; int src_x = ctx->wire_info(src).x; int src_y = ctx->wire_info(src).y; int dst_x = ctx->wire_info(dst).x; int dst_y = ctx->wire_info(dst).y; bb.x0 = src_x; bb.y0 = src_y; bb.x1 = src_x; bb.y1 = src_y; auto extend = [&](int x, int y) { bb.x0 = std::min(bb.x0, x); bb.x1 = std::max(bb.x1, x); bb.y0 = std::min(bb.y0, y); bb.y1 = std::max(bb.y1, y); }; extend(dst_x, dst_y); return bb; } ViaductArch *ViaductArch::list_head; ViaductArch::ViaductArch(const std::string &name) : name(name) { list_next = ViaductArch::list_head; ViaductArch::list_head = this; } std::string ViaductArch::list() { std::string result; ViaductArch *cursor = ViaductArch::list_head; while (cursor) { if (!result.empty()) result += ", "; result += cursor->name; cursor = cursor->list_next; } return result; } std::unique_ptr ViaductArch::create(const std::string &name, const dict &args) { ViaductArch *cursor = ViaductArch::list_head; while (cursor) { if (cursor->name != name) { cursor = cursor->list_next; continue; } return cursor->create(args); } return {}; } NEXTPNR_NAMESPACE_END > 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155