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| -rw-r--r-- | common/base_clusterinfo.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/common/base_clusterinfo.h b/common/base_clusterinfo.h new file mode 100644 index 00000000..a79f2686 --- /dev/null +++ b/common/base_clusterinfo.h @@ -0,0 +1,44 @@ +/* + * nextpnr -- Next Generation Place and Route + * + * Copyright (C) 2021 gatecat <gatecat@ds0.me> + * + * 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. + * + */ + +#ifndef BASE_CLUSTERINFO_H +#define BASE_CLUSTERINFO_H + +#include "idstring.h" +#include "nextpnr_namespaces.h" + +NEXTPNR_NAMESPACE_BEGIN + +struct CellInfo; + +// The 'legacy' cluster data, used for existing arches and to provide a basic implementation for arches without complex +// clustering requirements +struct BaseClusterInfo +{ + std::vector<CellInfo *> constr_children; + const int UNCONSTR = INT_MIN; + int constr_x = UNCONSTR; // this.x - parent.x + int constr_y = UNCONSTR; // this.y - parent.y + int constr_z = UNCONSTR; // this.z - parent.z + bool constr_abs_z = false; // parent.z := 0 +}; + +NEXTPNR_NAMESPACE_END + +#endif /* BASE_ARCH_H */ |