diff options
Diffstat (limited to 'nexus/arch.h')
| -rw-r--r-- | nexus/arch.h | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/nexus/arch.h b/nexus/arch.h index 29acc5f5..4f1a84ba 100644 --- a/nexus/arch.h +++ b/nexus/arch.h @@ -159,7 +159,7 @@ NPNR_PACKED_STRUCT(struct PhysicalTileInfoPOD { int32_t tiletype; // tile type IdString }); -enum LocFlagsPOD : uint32_t +enum LocFlags : uint32_t { LOC_LOGIC = 0x000001, LOC_IO18 = 0x000002, @@ -816,12 +816,19 @@ struct Arch : BaseCtx cell->bel = bel; cell->belStrength = strength; refreshUiBel(bel); + + if (tile_is(bel, LOC_LOGIC)) + update_logic_bel(bel, cell); } void unbindBel(BelId bel) { NPNR_ASSERT(bel != BelId()); NPNR_ASSERT(tileStatus[bel.tile].boundcells[bel.index] != nullptr); + + if (tile_is(bel, LOC_LOGIC)) + update_logic_bel(bel, nullptr); + tileStatus[bel.tile].boundcells[bel.index]->bel = BelId(); tileStatus[bel.tile].boundcells[bel.index]->belStrength = STRENGTH_NONE; tileStatus[bel.tile].boundcells[bel.index] = nullptr; @@ -1302,6 +1309,43 @@ struct Arch : BaseCtx // ------------------------------------------------- + template <typename TId> uint32_t tile_loc_flags(TId id) const { return chip_info->grid[id.tile].loc_flags; } + + template <typename TId> bool tile_is(TId id, LocFlags lf) const { return tile_loc_flags(id) & lf; } + + // ------------------------------------------------- + + enum LogicBelZ + { + BEL_LUT0 = 0, + BEL_LUT1 = 1, + BEL_FF0 = 2, + BEL_FF1 = 3, + BEL_RAMW = 4, + }; + + void update_logic_bel(BelId bel, CellInfo *cell) + { + int z = bel_data(bel).z; + NPNR_ASSERT(z < 32); + auto &tts = tileStatus[bel.tile]; + if (tts.lts == nullptr) + tts.lts = new LogicTileStatus(); + auto &ts = *(tts.lts); + ts.cells[z] = cell; + switch (z & 0x7) { + case BEL_FF0: + case BEL_FF1: + case BEL_RAMW: + ts.halfs[(z >> 3) / 2].dirty = true; + /* fall-through */ + case BEL_LUT0: + case BEL_LUT1: + ts.slices[(z >> 3)].dirty = true; + break; + } + } + bool nexus_logic_tile_valid(LogicTileStatus <s) const; // ------------------------------------------------- |