diff options
Diffstat (limited to 'passes/memory')
-rw-r--r-- | passes/memory/memory_bram.cc | 42 |
1 files changed, 35 insertions, 7 deletions
diff --git a/passes/memory/memory_bram.cc b/passes/memory/memory_bram.cc index 24478f2ee..e7394ac29 100644 --- a/passes/memory/memory_bram.cc +++ b/passes/memory/memory_bram.cc @@ -137,9 +137,26 @@ struct rules_t vector<vector<std::tuple<bool,IdString,Const>>> attributes; }; + bool attr_icase; dict<IdString, vector<bram_t>> brams; vector<match_t> matches; + std::string map_case(std::string value) const + { + if (attr_icase) { + for (char &c : value) + c = tolower(c); + } + return value; + } + + RTLIL::Const map_case(RTLIL::Const value) const + { + if (value.flags & RTLIL::CONST_FLAG_STRING) + return map_case(value.decode_string()); + return value; + } + std::ifstream infile; vector<string> tokens; vector<string> labels; @@ -337,7 +354,7 @@ struct rules_t IdString key = RTLIL::escape_id(tokens[idx].substr(c1, c2)); Const val = c2 != std::string::npos ? tokens[idx].substr(c2+1) : RTLIL::Const(1); - data.attributes.back().emplace_back(exists, key, val); + data.attributes.back().emplace_back(exists, key, map_case(val)); } continue; } @@ -351,6 +368,7 @@ struct rules_t rewrite_filename(filename); infile.open(filename); linecount = 0; + attr_icase = false; if (infile.fail()) log_error("Can't open rules file `%s'.\n", filename.c_str()); @@ -360,6 +378,11 @@ struct rules_t if (!labels.empty()) syntax_error(); + if (GetSize(tokens) == 2 && tokens[0] == "attr_icase") { + attr_icase = atoi(tokens[1].c_str()); + continue; + } + if (tokens[0] == "bram") { parse_bram(); continue; @@ -843,7 +866,7 @@ grow_read_ports:; } else if (!exists) continue; - if (it->second != value) + if (rules.map_case(it->second) != value) continue; found = true; break; @@ -855,7 +878,7 @@ grow_read_ports:; ss << "!"; IdString key = std::get<1>(sums.front()); ss << log_id(key); - const Const &value = std::get<2>(sums.front()); + const Const &value = rules.map_case(std::get<2>(sums.front())); if (exists && value != Const(1)) ss << "=\"" << value.decode_string() << "\""; @@ -1167,7 +1190,7 @@ void handle_cell(Cell *cell, const rules_t &rules) } else if (!exists) continue; - if (it->second != value) + if (rules.map_case(it->second) != value) continue; found = true; break; @@ -1179,7 +1202,7 @@ void handle_cell(Cell *cell, const rules_t &rules) ss << "!"; IdString key = std::get<1>(sums.front()); ss << log_id(key); - const Const &value = std::get<2>(sums.front()); + const Const &value = rules.map_case(std::get<2>(sums.front())); if (exists && value != Const(1)) ss << "=\"" << value.decode_string() << "\""; @@ -1252,8 +1275,13 @@ struct MemoryBramPass : public Pass { log("The given rules file describes the available resources and how they should be\n"); log("used.\n"); log("\n"); - log("The rules file contains a set of block ram description and a sequence of match\n"); - log("rules. A block ram description looks like this:\n"); + log("The rules file contains configuration options, a set of block ram description\n"); + log("and a sequence of match rules.\n"); + log("\n"); + log("The option 'attr_icase' configures how attribute values are matched. The value 0\n"); + log("means case-sensitive, 1 means case-insensitive.\n"); + log("\n"); + log("A block ram description looks like this:\n"); log("\n"); log(" bram RAMB1024X32 # name of BRAM cell\n"); log(" init 1 # set to '1' if BRAM can be initialized\n"); |