diff options
Diffstat (limited to 'nexus/arch.h')
| -rw-r--r-- | nexus/arch.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/nexus/arch.h b/nexus/arch.h index 56b48bf3..ee66599a 100644 --- a/nexus/arch.h +++ b/nexus/arch.h @@ -1335,6 +1335,47 @@ struct Arch : BaseCtx // Perform placement validity checks, returning false on failure (all // implemented in arch_place.cc) + // Whether this cell type can be placed at this BEL. + bool isValidBelForCellType(IdString cell_type, BelId bel) const { return cell_type == getBelType(bel); } + + const std::vector<IdString> &getCellTypes() const { return cell_types; } + + std::vector<BelBucketId> getBelBuckets() const { return buckets; } + + IdString getBelBucketName(BelBucketId bucket) const { return bucket.name; } + + BelBucketId getBelBucketByName(IdString name) const + { + BelBucketId bucket; + bucket.name = name; + return bucket; + } + + BelBucketId getBelBucketForBel(BelId bel) const + { + BelBucketId bucket; + bucket.name = getBelType(bel); + return bucket; + } + + BelBucketId getBelBucketForCellType(IdString cell_type) const + { + BelBucketId bucket; + bucket.name = cell_type; + return bucket; + } + + std::vector<BelId> getBelsInBucket(BelBucketId bucket) const + { + std::vector<BelId> bels; + for (BelId bel : getBels()) { + if (getBelType(bel) == bucket.name) { + bels.push_back(bel); + } + } + return bels; + } + // Whether or not a given cell can be placed at a given Bel // This is not intended for Bel type checks, but finer-grained constraints // such as conflicting set/reset signals, etc @@ -1536,6 +1577,9 @@ struct Arch : BaseCtx // ------------------------------------------------- void write_fasm(std::ostream &out) const; + + std::vector<IdString> cell_types; + std::vector<BelBucketId> buckets; }; NEXTPNR_NAMESPACE_END |