diff options
Diffstat (limited to 'passes/memory')
| -rw-r--r-- | passes/memory/memory_bram.cc | 18 | ||||
| -rw-r--r-- | passes/memory/memory_dff.cc | 2 |
2 files changed, 19 insertions, 1 deletions
diff --git a/passes/memory/memory_bram.cc b/passes/memory/memory_bram.cc index e8552bbcf..cf4095d06 100644 --- a/passes/memory/memory_bram.cc +++ b/passes/memory/memory_bram.cc @@ -472,8 +472,12 @@ bool replace_cell(Cell *cell, const rules_t &rules, const rules_t::bram_t &bram, std::vector<SigSpec> new_wr_en(GetSize(old_wr_en)); std::vector<SigSpec> new_wr_data(GetSize(old_wr_data)); std::vector<SigSpec> new_rd_data(GetSize(old_rd_data)); + std::vector<std::vector<State>> new_initdata; std::vector<int> shuffle_map; + if (cell_init) + new_initdata.resize(mem_size); + for (auto &it : en_order) { auto &bits = bits_wr_en.at(it); @@ -489,6 +493,10 @@ bool replace_cell(Cell *cell, const rules_t &rules, const rules_t::bram_t &bram, } for (int j = 0; j < rd_ports; j++) new_rd_data[j].append(old_rd_data[j][bits[i]]); + if (cell_init) { + for (int j = 0; j < mem_size; j++) + new_initdata[j].push_back(initdata[j][bits[i]]); + } shuffle_map.push_back(bits[i]); } @@ -499,6 +507,10 @@ bool replace_cell(Cell *cell, const rules_t &rules, const rules_t::bram_t &bram, } for (int j = 0; j < rd_ports; j++) new_rd_data[j].append(State::Sx); + if (cell_init) { + for (int j = 0; j < mem_size; j++) + new_initdata[j].push_back(State::Sx); + } shuffle_map.push_back(-1); } } @@ -522,6 +534,11 @@ bool replace_cell(Cell *cell, const rules_t &rules, const rules_t::bram_t &bram, for (int i = 0; i < rd_ports; i++) rd_data.replace(i*mem_width, new_rd_data[i]); + + if (cell_init) { + for (int i = 0; i < mem_size; i++) + initdata[i] = Const(new_initdata[i]); + } } // assign write ports @@ -623,6 +640,7 @@ grow_read_ports:; pi.sig_addr = SigSpec(); pi.sig_data = SigSpec(); pi.sig_en = SigSpec(); + pi.make_outreg = false; } new_portinfos.push_back(pi); if (pi.dupidx == dup_count-1) { diff --git a/passes/memory/memory_dff.cc b/passes/memory/memory_dff.cc index 32df19174..220d29295 100644 --- a/passes/memory/memory_dff.cc +++ b/passes/memory/memory_dff.cc @@ -41,7 +41,7 @@ struct MemoryDffWorker if (wire->attributes.count("\\init") == 0) continue; SigSpec sig = sigmap(wire); - Const initval = wire->attributes.count("\\init"); + Const initval = wire->attributes.at("\\init"); for (int i = 0; i < GetSize(sig) && i < GetSize(initval); i++) if (initval[i] == State::S0 || initval[i] == State::S1) init_bits.insert(sig[i]); |