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| author | David Shah <dave@ds0.me> | 2019-12-01 14:03:23 +0000 |
|---|---|---|
| committer | David Shah <dave@ds0.me> | 2019-12-27 10:44:30 +0000 |
| commit | fe40094216d0007797c51ff8894127b37a4ff045 (patch) | |
| tree | 3ade1df159a81ea4a363d56f6c7f662266853c60 /ecp5 | |
| parent | b1000870244dbb1a73198e23a859825865938b4c (diff) | |
| download | nextpnr-fe40094216d0007797c51ff8894127b37a4ff045.tar.gz nextpnr-fe40094216d0007797c51ff8894127b37a4ff045.tar.bz2 nextpnr-fe40094216d0007797c51ff8894127b37a4ff045.zip | |
Preserve hierarchy through packing
Signed-off-by: David Shah <dave@ds0.me>
Diffstat (limited to 'ecp5')
| -rw-r--r-- | ecp5/cells.cc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/ecp5/cells.cc b/ecp5/cells.cc index b06350c7..c630c2c3 100644 --- a/ecp5/cells.cc +++ b/ecp5/cells.cc @@ -233,6 +233,8 @@ static void replace_port_safe(bool has_ff, CellInfo *ff, IdString ff_port, CellI void ff_to_slice(Context *ctx, CellInfo *ff, CellInfo *lc, int index, bool driven_by_lut) { + if (lc->hierpath == IdString()) + lc->hierpath = ff->hierpath; bool has_ff = lc->ports.at(ctx->id("Q0")).net != nullptr || lc->ports.at(ctx->id("Q1")).net != nullptr; std::string reg = "REG" + std::to_string(index); set_param_safe(has_ff, lc, ctx->id("SRMODE"), str_or_default(ff->params, ctx->id("SRMODE"), "LSR_OVER_CE")); @@ -271,6 +273,8 @@ void ff_to_slice(Context *ctx, CellInfo *ff, CellInfo *lc, int index, bool drive void lut_to_slice(Context *ctx, CellInfo *lut, CellInfo *lc, int index) { + if (lc->hierpath == IdString()) + lc->hierpath = lut->hierpath; lc->params[ctx->id("LUT" + std::to_string(index) + "_INITVAL")] = get_or_default(lut->params, ctx->id("INIT"), Property(0, 16)); replace_port(lut, ctx->id("A"), lc, ctx->id("A" + std::to_string(index))); @@ -282,6 +286,8 @@ void lut_to_slice(Context *ctx, CellInfo *lut, CellInfo *lc, int index) void ccu2c_to_slice(Context *ctx, CellInfo *ccu, CellInfo *lc) { + if (lc->hierpath == IdString()) + lc->hierpath = ccu->hierpath; lc->params[ctx->id("MODE")] = std::string("CCU2"); lc->params[ctx->id("LUT0_INITVAL")] = get_or_default(ccu->params, ctx->id("INIT0"), Property(0, 16)); lc->params[ctx->id("LUT1_INITVAL")] = get_or_default(ccu->params, ctx->id("INIT1"), Property(0, 16)); @@ -309,6 +315,8 @@ void ccu2c_to_slice(Context *ctx, CellInfo *ccu, CellInfo *lc) void dram_to_ramw(Context *ctx, CellInfo *ram, CellInfo *lc) { + if (lc->hierpath == IdString()) + lc->hierpath = ram->hierpath; lc->params[ctx->id("MODE")] = std::string("RAMW"); replace_port(ram, ctx->id("WAD[0]"), lc, ctx->id("D0")); replace_port(ram, ctx->id("WAD[1]"), lc, ctx->id("B0")); @@ -340,6 +348,8 @@ static unsigned get_dram_init(const Context *ctx, const CellInfo *ram, int bit) void dram_to_ram_slice(Context *ctx, CellInfo *ram, CellInfo *lc, CellInfo *ramw, int index) { + if (lc->hierpath == IdString()) + lc->hierpath = ram->hierpath; lc->params[ctx->id("MODE")] = std::string("DPRAM"); lc->params[ctx->id("WREMUX")] = str_or_default(ram->params, ctx->id("WREMUX"), "WRE"); lc->params[ctx->id("WCKMUX")] = str_or_default(ram->params, ctx->id("WCKMUX"), "WCK"); |