32f2ec86c4
The new site router should be robust to most situations, and isn't significantly slower with the use of caching. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
/*
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* nextpnr -- Next Generation Place and Route
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*
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* Copyright (C) 2021 Symbiflow Authors
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*
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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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#ifndef SITE_ROUTER_H
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#define SITE_ROUTER_H
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#include <cstdint>
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#include "nextpnr_namespaces.h"
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#include "nextpnr_types.h"
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#include "site_arch.h"
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#include "site_routing_storage.h"
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NEXTPNR_NAMESPACE_BEGIN
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struct Context;
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struct TileStatus;
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struct SiteRouter
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{
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SiteRouter(int16_t site) : site(site), dirty(false), site_ok(true) {}
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std::unordered_set<CellInfo *> cells_in_site;
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const int16_t site;
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mutable bool dirty;
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mutable bool site_ok;
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void bindBel(CellInfo *cell);
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void unbindBel(CellInfo *cell);
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bool checkSiteRouting(const Context *ctx, const TileStatus &tile_status) const;
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void bindSiteRouting(Context *ctx);
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};
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NEXTPNR_NAMESPACE_END
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#endif /* SITE_ROUTER_H */
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