125 lines
4.0 KiB
C++
125 lines
4.0 KiB
C++
/*
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* nextpnr -- Next Generation Place and Route
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*
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* Copyright (C) 2021-23 gatecat <gatecat@ds0.me>
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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 "himbaechel_api.h"
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#include "log.h"
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#include "nextpnr.h"
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NEXTPNR_NAMESPACE_BEGIN
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void HimbaechelAPI::init(Context *ctx) { this->ctx = ctx; }
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std::vector<IdString> HimbaechelAPI::getCellTypes() const
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{
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std::vector<IdString> result;
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// TODO
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return result;
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}
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BelBucketId HimbaechelAPI::getBelBucketForBel(BelId bel) const { return ctx->getBelType(bel); }
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BelBucketId HimbaechelAPI::getBelBucketForCellType(IdString cell_type) const { return cell_type; }
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bool HimbaechelAPI::isValidBelForCellType(IdString cell_type, BelId bel) const
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{
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return ctx->getBelType(bel) == cell_type;
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}
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delay_t HimbaechelAPI::estimateDelay(WireId src, WireId dst) const
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{
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// TODO: configurable lookahead
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int sx, sy, dx, dy;
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tile_xy(ctx->chip_info, src.tile, sx, sy);
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tile_xy(ctx->chip_info, dst.tile, dx, dy);
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return 100 * (std::abs(dx - sx) + std::abs(dy - sy) + 2);
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}
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delay_t HimbaechelAPI::predictDelay(BelId src_bel, IdString src_pin, BelId dst_bel, IdString dst_pin) const
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{
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Loc src_loc = ctx->getBelLocation(src_bel), dst_loc = ctx->getBelLocation(dst_bel);
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return 100 * (std::abs(dst_loc.x - src_loc.x) + std::abs(dst_loc.y - src_loc.y));
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}
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BoundingBox HimbaechelAPI::getRouteBoundingBox(WireId src, WireId dst) const
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{
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BoundingBox bb;
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int sx, sy, dx, dy;
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tile_xy(ctx->chip_info, src.tile, sx, sy);
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tile_xy(ctx->chip_info, dst.tile, dx, dy);
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bb.x0 = std::min(sx, dx);
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bb.y0 = std::min(sy, dy);
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bb.x1 = std::max(sx, dx);
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bb.y1 = std::max(sy, dy);
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return bb;
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}
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CellInfo *HimbaechelAPI::getClusterRootCell(ClusterId cluster) const
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{
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return ctx->BaseArch::getClusterRootCell(cluster);
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}
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BoundingBox HimbaechelAPI::getClusterBounds(ClusterId cluster) const
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{
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return ctx->BaseArch::getClusterBounds(cluster);
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}
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Loc HimbaechelAPI::getClusterOffset(const CellInfo *cell) const { return ctx->BaseArch::getClusterOffset(cell); }
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bool HimbaechelAPI::isClusterStrict(const CellInfo *cell) const { return ctx->BaseArch::isClusterStrict(cell); }
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bool HimbaechelAPI::getClusterPlacement(ClusterId cluster, BelId root_bel,
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std::vector<std::pair<CellInfo *, BelId>> &placement) const
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{
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return ctx->BaseArch::getClusterPlacement(cluster, root_bel, placement);
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}
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void HimbaechelAPI::expandBoundingBox(BoundingBox &bb) const
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{
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ctx->BaseArch::expandBoundingBox(bb);
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}
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HimbaechelArch *HimbaechelArch::list_head;
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HimbaechelArch::HimbaechelArch(const std::string &name) : name(name)
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{
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list_next = HimbaechelArch::list_head;
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HimbaechelArch::list_head = this;
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}
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std::string HimbaechelArch::list()
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{
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std::string result;
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HimbaechelArch *cursor = HimbaechelArch::list_head;
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while (cursor) {
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if (!result.empty())
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result += ", ";
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result += cursor->name;
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cursor = cursor->list_next;
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}
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return result;
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}
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HimbaechelArch *HimbaechelArch::find_match(const std::string &device)
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{
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HimbaechelArch *cursor = HimbaechelArch::list_head;
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while (cursor) {
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if (!cursor->match_device(device)) {
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cursor = cursor->list_next;
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continue;
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}
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return cursor;
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}
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return nullptr;
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}
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NEXTPNR_NAMESPACE_END
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