diff options
Diffstat (limited to 'nexus/pack.cc')
-rw-r--r-- | nexus/pack.cc | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/nexus/pack.cc b/nexus/pack.cc index 26da3dc5..4eccc634 100644 --- a/nexus/pack.cc +++ b/nexus/pack.cc @@ -32,13 +32,17 @@ namespace { bool is_enabled(CellInfo *ci, IdString prop) { return str_or_default(ci->params, prop, "") == "ENABLED"; } } // namespace -// Parse a possibly-Lattice-style (C literal in Verilog string) style parameter -Property Arch::parse_lattice_param(const CellInfo *ci, IdString prop, int width, int64_t defval) const +Property Arch::parse_lattice_param_from_cell(const CellInfo *ci, IdString prop, int width, int64_t defval) const { auto fnd = ci->params.find(prop); if (fnd == ci->params.end()) return Property(defval, width); - const auto &val = fnd->second; + return this->parse_lattice_param(fnd->second, prop, width, nameOf(ci)); +} + +// Parse a possibly-Lattice-style (C literal in Verilog string) style parameter +Property Arch::parse_lattice_param(const Property &val, IdString prop, int width, const char* ci) const +{ if (val.is_string) { const std::string &s = val.str; Property temp; @@ -47,7 +51,7 @@ Property Arch::parse_lattice_param(const CellInfo *ci, IdString prop, int width, for (int i = int(s.length()) - 1; i >= 2; i--) { char c = s.at(i); if (c != '0' && c != '1' && c != 'x') - log_error("Invalid binary digit '%c' in property %s.%s\n", c, nameOf(ci), nameOf(prop)); + log_error("Invalid binary digit '%c' in property %s.%s\n", c, ci, nameOf(prop)); temp.str.push_back(c); } } else if (boost::starts_with(s, "0x")) { @@ -61,7 +65,7 @@ Property Arch::parse_lattice_param(const CellInfo *ci, IdString prop, int width, else if (c >= 'A' && c <= 'F') nibble = (c - 'A') + 10; else - log_error("Invalid hex digit '%c' in property %s.%s\n", c, nameOf(ci), nameOf(prop)); + log_error("Invalid hex digit '%c' in property %s.%s\n", c, ci, nameOf(prop)); for (int j = 0; j < 4; j++) temp.str.push_back(((nibble >> j) & 0x1) ? Property::S1 : Property::S0); } @@ -73,14 +77,14 @@ Property Arch::parse_lattice_param(const CellInfo *ci, IdString prop, int width, else ival = std::stoll(s); } catch (std::runtime_error &e) { - log_error("Invalid decimal value for property %s.%s", nameOf(ci), nameOf(prop)); + log_error("Invalid decimal value for property %s.%s", ci, nameOf(prop)); } temp = Property(ival); } for (auto b : temp.str.substr(width)) { if (b == Property::S1) - log_error("Found value for property %s.%s with width greater than %d\n", nameOf(ci), nameOf(prop), + log_error("Found value for property %s.%s with width greater than %d\n", ci, nameOf(prop), width); } temp.update_intval(); @@ -90,7 +94,7 @@ Property Arch::parse_lattice_param(const CellInfo *ci, IdString prop, int width, if (b == Property::S1) log_error("Found bitvector value for property %s.%s with width greater than %d - perhaps a string was " "converted to bits?\n", - nameOf(ci), nameOf(prop), width); + ci, nameOf(prop), width); } return val.extract(0, width); } @@ -170,7 +174,7 @@ struct NexusPacker int64_t def; for (const auto &p : rule.parse_params) { std::tie(old_param, new_param, width, def) = p; - ci->params[new_param] = ctx->parse_lattice_param(ci, old_param, width, def); + ci->params[new_param] = ctx->parse_lattice_param_from_cell(ci, old_param, width, def); } } @@ -953,7 +957,7 @@ struct NexusPacker ramw->connectPort(id_WCKO, int_wck); ramw->connectPort(id_WREO, int_wre); - uint64_t initval = ctx->parse_lattice_param(ci, id_INITVAL, 64, 0).as_int64(); + uint64_t initval = ctx->parse_lattice_param_from_cell(ci, id_INITVAL, 64, 0).as_int64(); // Rewiring - buses for (int i = 0; i < 4; i++) { @@ -1272,8 +1276,8 @@ struct NexusPacker combs[1]->connectPort(id_F, f1); combs[0]->connectPort(id_F1, f1); - combs[0]->params[id_INIT] = ctx->parse_lattice_param(ci, id_INIT0, 16, 0); - combs[1]->params[id_INIT] = ctx->parse_lattice_param(ci, id_INIT1, 16, 0); + combs[0]->params[id_INIT] = ctx->parse_lattice_param_from_cell(ci, id_INIT0, 16, 0); + combs[1]->params[id_INIT] = ctx->parse_lattice_param_from_cell(ci, id_INIT1, 16, 0); combs[1]->cluster = combs[0]->name; combs[1]->constr_x = 0; @@ -1329,8 +1333,8 @@ struct NexusPacker // Copy parameters if (ci->params.count(id_INJECT)) combs[0]->params[id_INJECT] = ci->params[id_INJECT]; - combs[0]->params[id_INIT] = ctx->parse_lattice_param(ci, id_INIT0, 16, 0); - combs[1]->params[id_INIT] = ctx->parse_lattice_param(ci, id_INIT1, 16, 0); + combs[0]->params[id_INIT] = ctx->parse_lattice_param_from_cell(ci, id_INIT0, 16, 0); + combs[1]->params[id_INIT] = ctx->parse_lattice_param_from_cell(ci, id_INIT1, 16, 0); // Internal carry net between the two split COMB cells NetInfo *int_cy = ctx->createNet(ctx->id(stringf("%s$widefn_int_cy$", ctx->nameOf(ci)))); @@ -2026,9 +2030,9 @@ struct NexusPacker log_info(" Input frequency of PLL '%s' is constrained to %.1f MHz\n", ci->name.c_str(ctx), MHz(period_in)); - int input_div = ctx->parse_lattice_param(ci, id_REF_MMD_DIG, 8, 1).as_int64(); + int input_div = ctx->parse_lattice_param_from_cell(ci, id_REF_MMD_DIG, 8, 1).as_int64(); period_in *= input_div; - int feedback_div = ctx->parse_lattice_param(ci, id_REF_MMD_DIG, 8, 1).as_int64(); + int feedback_div = ctx->parse_lattice_param_from_cell(ci, id_REF_MMD_DIG, 8, 1).as_int64(); bool found_fbk = false; std::string clkmux_fb = str_or_default(ci->params, id_CLKMUX_FB, "CMUX_CLKOP"); for (int i = 0; i < 6; i++) { @@ -2036,7 +2040,7 @@ struct NexusPacker if (clkmux_fb != stringf("CMUX_%s", output[i].c_str(ctx))) continue; // Multiply feedback output divider with - feedback_div *= (ctx->parse_lattice_param(ci, div[i], 7, 0).as_int64() + 1); + feedback_div *= (ctx->parse_lattice_param_from_cell(ci, div[i], 7, 0).as_int64() + 1); found_fbk = true; } if (!found_fbk) { @@ -2050,7 +2054,7 @@ struct NexusPacker MHz(vco_period)); for (int i = 0; i < 6; i++) { set_period(ci, output[i], - (ctx->parse_lattice_param(ci, div[i], 7, 0).as_int64() + 1) * vco_period); + (ctx->parse_lattice_param_from_cell(ci, div[i], 7, 0).as_int64() + 1) * vco_period); } } } |