diff options
Diffstat (limited to 'nexus/pack.cc')
| -rw-r--r-- | nexus/pack.cc | 63 |
1 files changed, 31 insertions, 32 deletions
diff --git a/nexus/pack.cc b/nexus/pack.cc index 812731cf..1d977f2c 100644 --- a/nexus/pack.cc +++ b/nexus/pack.cc @@ -106,16 +106,16 @@ struct NexusPacker struct XFormRule { IdString new_type; - std::unordered_map<IdString, IdString> port_xform; - std::unordered_map<IdString, std::vector<IdString>> port_multixform; - std::unordered_map<IdString, IdString> param_xform; + dict<IdString, IdString> port_xform; + dict<IdString, std::vector<IdString>> port_multixform; + dict<IdString, IdString> param_xform; std::vector<std::pair<IdString, std::string>> set_attrs; std::vector<std::pair<IdString, Property>> set_params; std::vector<std::pair<IdString, Property>> default_params; std::vector<std::tuple<IdString, IdString, int, int64_t>> parse_params; }; - void xform_cell(const std::unordered_map<IdString, XFormRule> &rules, CellInfo *ci) + void xform_cell(const dict<IdString, XFormRule> &rules, CellInfo *ci) { auto &rule = rules.at(ci->type); ci->type = rule.new_type; @@ -178,7 +178,7 @@ struct NexusPacker ci->params[param.first] = param.second; } - void generic_xform(const std::unordered_map<IdString, XFormRule> &rules, bool print_summary = false) + void generic_xform(const dict<IdString, XFormRule> &rules, bool print_summary = false) { std::map<std::string, int> cell_count; std::map<std::string, int> new_types; @@ -205,7 +205,7 @@ struct NexusPacker void pack_luts() { log_info("Packing LUTs...\n"); - std::unordered_map<IdString, XFormRule> lut_rules; + dict<IdString, XFormRule> lut_rules; lut_rules[id_LUT4].new_type = id_OXIDE_COMB; lut_rules[id_LUT4].port_xform[id_Z] = id_F; lut_rules[id_LUT4].parse_params.emplace_back(id_INIT, id_INIT, 16, 0); @@ -229,7 +229,7 @@ struct NexusPacker void pack_ffs() { log_info("Packing FFs...\n"); - std::unordered_map<IdString, XFormRule> ff_rules; + dict<IdString, XFormRule> ff_rules; for (auto type : {id_FD1P3BX, id_FD1P3DX, id_FD1P3IX, id_FD1P3JX}) { ff_rules[type].new_type = id_OXIDE_FF; ff_rules[type].port_xform[id_CK] = id_CLK; @@ -262,7 +262,7 @@ struct NexusPacker generic_xform(ff_rules, true); } - std::unordered_map<IdString, BelId> reference_bels; + dict<IdString, BelId> reference_bels; void autocreate_ports(CellInfo *cell) { @@ -549,11 +549,10 @@ struct NexusPacker void pack_io() { - std::unordered_set<IdString> iob_types = {id_IB, id_OB, id_OBZ, id_BB, - id_BB_I3C_A, id_SEIO33, id_SEIO18, id_DIFFIO18, - id_SEIO33_CORE, id_SEIO18_CORE, id_DIFFIO18_CORE}; + pool<IdString> iob_types = {id_IB, id_OB, id_OBZ, id_BB, id_BB_I3C_A, id_SEIO33, + id_SEIO18, id_DIFFIO18, id_SEIO33_CORE, id_SEIO18_CORE, id_DIFFIO18_CORE}; - std::unordered_map<IdString, XFormRule> io_rules; + dict<IdString, XFormRule> io_rules; // For the low level primitives, make sure we always preserve their type io_rules[id_SEIO33_CORE].new_type = id_SEIO33_CORE; @@ -567,12 +566,12 @@ struct NexusPacker io_rules[id_SEIO33].port_xform[id_PADDT] = id_T; io_rules[id_SEIO33].port_xform[id_IOPAD] = id_B; - io_rules[id_BB_I3C_A] = io_rules[id_SEIO33]; + io_rules[id_BB_I3C_A] = XFormRule(io_rules[id_SEIO33]); - io_rules[id_SEIO18] = io_rules[id_SEIO33]; + io_rules[id_SEIO18] = XFormRule(io_rules[id_SEIO33]); io_rules[id_SEIO18].new_type = id_SEIO18_CORE; - io_rules[id_DIFFIO18] = io_rules[id_SEIO33]; + io_rules[id_DIFFIO18] = XFormRule(io_rules[id_SEIO33]); io_rules[id_DIFFIO18].new_type = id_DIFFIO18_CORE; // Stage 0: deal with top level inserted IO buffers @@ -677,8 +676,8 @@ struct NexusPacker { int iter = 0; std::queue<WireId> visit; - std::unordered_set<WireId> seen_wires; - std::unordered_set<BelId> seen_bels; + pool<WireId> seen_wires; + pool<BelId> seen_bels; BelId bel = get_bel_attr(cell); if (bel == BelId()) @@ -751,7 +750,7 @@ struct NexusPacker return best_bel; } - std::unordered_set<BelId> used_bels; + pool<BelId> used_bels; // Pre-place a primitive based on routeability first and distance second bool preplace_prim(CellInfo *cell, IdString pin, bool strict_routing) @@ -1024,7 +1023,7 @@ struct NexusPacker void convert_prims() { // Convert primitives from their non-CORE variant to their CORE variant - static const std::unordered_map<IdString, IdString> prim_map = { + static const dict<IdString, IdString> prim_map = { {id_OSCA, id_OSC_CORE}, {id_DP16K, id_DP16K_MODE}, {id_PDP16K, id_PDP16K_MODE}, {id_PDPSC16K, id_PDPSC16K_MODE}, {id_SP16K, id_SP16K_MODE}, {id_FIFO16K, id_FIFO16K_MODE}, {id_SP512K, id_SP512K_MODE}, {id_DPSC512K, id_DPSC512K_MODE}, {id_PDPSC512K, id_PDPSC512K_MODE}, @@ -1048,7 +1047,7 @@ struct NexusPacker void pack_bram() { - std::unordered_map<IdString, XFormRule> bram_rules; + dict<IdString, XFormRule> bram_rules; bram_rules[id_DP16K_MODE].new_type = id_OXIDE_EBR; bram_rules[id_DP16K_MODE].set_params.emplace_back(id_MODE, std::string("DP16K")); bram_rules[id_DP16K_MODE].parse_params.emplace_back(id_CSDECODE_A, id_CSDECODE_A, 3, 7); @@ -1074,7 +1073,7 @@ struct NexusPacker add_bus_xform(bram_rules[id_PDP16K_MODE], "DO", "DOA", 18, 18, 0); // Pseudo dual port; single clock - bram_rules[id_PDPSC16K_MODE] = bram_rules[id_PDP16K_MODE]; + bram_rules[id_PDPSC16K_MODE] = XFormRule(bram_rules[id_PDP16K_MODE]); bram_rules[id_PDPSC16K_MODE].set_params.clear(); bram_rules[id_PDPSC16K_MODE].set_params.emplace_back(id_MODE, std::string("PDPSC16K")); bram_rules[id_PDPSC16K_MODE].set_params.emplace_back(id_WEAMUX, std::string("1")); @@ -1096,7 +1095,7 @@ struct NexusPacker void pack_lram() { - std::unordered_map<IdString, XFormRule> lram_rules; + dict<IdString, XFormRule> lram_rules; lram_rules[id_SP512K_MODE].new_type = id_LRAM_CORE; lram_rules[id_SP512K_MODE].set_params.emplace_back(id_EBR_SP_EN, std::string("ENABLE")); lram_rules[id_SP512K_MODE].port_xform[id_CE] = id_CEA; @@ -1296,7 +1295,7 @@ struct NexusPacker // Automatically generate cascade connections downstream of a cell // using the temporary placement that we use solely to access the routing graph - void auto_cascade_cell(CellInfo *cell, BelId bel, const std::unordered_map<BelId, CellInfo *> &bel2cell) + void auto_cascade_cell(CellInfo *cell, BelId bel, const dict<BelId, CellInfo *> &bel2cell) { // Create outputs based on the actual bel for (auto bp : ctx->getBelPins(bel)) { @@ -1322,7 +1321,7 @@ struct NexusPacker // Standard BFS-type exploration std::queue<WireId> visit; - std::unordered_set<WireId> in_queue; + pool<WireId> in_queue; visit.push(start_wire); in_queue.insert(start_wire); int iter = 0; @@ -1403,8 +1402,8 @@ struct NexusPacker // We first create a temporary placement so we can access the routing graph bool found = false; - std::unordered_map<BelId, CellInfo *> bel2cell; - std::unordered_map<IdString, BelId> cell2bel; + dict<BelId, CellInfo *> bel2cell; + dict<IdString, BelId> cell2bel; for (BelId root_bel : ctx->getBels()) { if (ctx->getBelType(root_bel) != root->type) @@ -1592,7 +1591,7 @@ struct NexusPacker int wide; // DSP is a "wide" (dot-product) variant }; - const std::unordered_map<IdString, DSPMacroType> dsp_types = { + const dict<IdString, DSPMacroType> dsp_types = { {id_MULT9X9, {9, 9, 0, 18, 1, 0, 0, false, false, -1}}, {id_MULT18X18, {18, 18, 0, 36, 2, 1, 0, false, false, -1}}, {id_MULT18X36, {18, 36, 0, 54, 4, 2, 1, false, false, -1}}, @@ -1805,7 +1804,7 @@ struct NexusPacker auto equals_epsilon = [](delay_t a, delay_t b) { return (std::abs(a - b) / std::max(double(b), 1.0)) < 1e-3; }; - std::unordered_set<IdString> user_constrained, changed_nets; + pool<IdString> user_constrained, changed_nets; for (auto &net : ctx->nets) { if (net.second->clkconstr != nullptr) user_constrained.insert(net.first); @@ -1883,7 +1882,7 @@ struct NexusPacker const int itermax = 5000; while (!changed_nets.empty() && iter < itermax) { ++iter; - std::unordered_set<IdString> changed_cells; + pool<IdString> changed_cells; for (auto net : changed_nets) { for (auto &user : ctx->nets.at(net)->users) if (user.port == id_CLKI || user.port == id_REFCK) @@ -1893,7 +1892,7 @@ struct NexusPacker changed_cells.insert(drv.cell->name); } changed_nets.clear(); - for (auto cell : sorted(changed_cells)) { + for (auto cell : changed_cells) { CellInfo *ci = ctx->cells.at(cell).get(); if (ci->type == id_DCC) { copy_constraint(ci, id_CLKI, id_CLKO, 1); @@ -1945,7 +1944,7 @@ struct NexusPacker void pack_plls() { - const std::unordered_map<IdString, std::string> pll_defaults = { + const dict<IdString, std::string> pll_defaults = { {id_FLOCK_CTRL, "2X"}, {id_FLOCK_EN, "ENABLED"}, {id_FLOCK_SRC_SEL, "REFCLK"}, {id_DIV_DEL, "0b0000001"}, {id_FBK_PI_RC, "0b1100"}, {id_FBK_PR_IC, "0b1000"}, }; @@ -1966,7 +1965,7 @@ struct NexusPacker // Map LOC attribute on DPHY_CORE to a bel // TDPHY_CORE2 is Radiant 2.0 style, DPHY0 is Radiant 2.2 // TODO: LIFCL-17 (perhaps remove the hardcoded map) - const std::unordered_map<std::string, std::string> dphy_loc_map = { + const dict<std::string, std::string> dphy_loc_map = { {"TDPHY_CORE2", "X4/Y0/TDPHY_CORE2"}, {"DPHY0", "X4/Y0/TDPHY_CORE2"}, {"TDPHY_CORE26", "X28/Y0/TDPHY_CORE26"}, |