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authorRuben Undheim <ruben.undheim@gmail.com>2019-03-28 23:35:03 +0100
committerRuben Undheim <ruben.undheim@gmail.com>2019-03-28 23:35:03 +0100
commitff5734b20220e6fb4a3913cf5279ed94bb5156ea (patch)
tree4c438282926d7bac304ad3ad6ad89523c4c1d784 /passes/cmds/rename.cc
parentdb3c67fd6e140893450a44870ee9a75dd1f48b27 (diff)
Imported GIT HEAD: 0.8+20190328git32bd0f2
Diffstat (limited to 'passes/cmds/rename.cc')
-rw-r--r--passes/cmds/rename.cc148
1 files changed, 145 insertions, 3 deletions
diff --git a/passes/cmds/rename.cc b/passes/cmds/rename.cc
index dce576fd..9b1830b7 100644
--- a/passes/cmds/rename.cc
+++ b/passes/cmds/rename.cc
@@ -24,7 +24,7 @@
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
-static void rename_in_module(RTLIL::Module *module, std::string from_name, std::string to_name)
+static void rename_in_module(RTLIL::Module *module, std::string from_name, std::string to_name, bool flag_output)
{
from_name = RTLIL::escape_id(from_name);
to_name = RTLIL::escape_id(to_name);
@@ -37,13 +37,18 @@ static void rename_in_module(RTLIL::Module *module, std::string from_name, std::
Wire *w = it.second;
log("Renaming wire %s to %s in module %s.\n", log_id(w), log_id(to_name), log_id(module));
module->rename(w, to_name);
- if (w->port_id)
+ if (w->port_id || flag_output) {
+ if (flag_output)
+ w->port_output = true;
module->fixup_ports();
+ }
return;
}
for (auto &it : module->cells_)
if (it.first == from_name) {
+ if (flag_output)
+ log_cmd_error("Called with -output but the specified object is a cell.\n");
log("Renaming cell %s to %s in module %s.\n", log_id(it.second), log_id(to_name), log_id(module));
module->rename(it.second, to_name);
return;
@@ -52,6 +57,51 @@ static void rename_in_module(RTLIL::Module *module, std::string from_name, std::
log_cmd_error("Object `%s' not found!\n", from_name.c_str());
}
+static std::string derive_name_from_src(const std::string &src, int counter)
+{
+ std::string src_base = src.substr(0, src.find('|'));
+ if (src_base.empty())
+ return stringf("$%d", counter);
+ else
+ return stringf("\\%s$%d", src_base.c_str(), counter);
+}
+
+static IdString derive_name_from_wire(const RTLIL::Cell &cell)
+{
+ // Find output
+ const SigSpec *output = nullptr;
+ int num_outputs = 0;
+ for (auto &connection : cell.connections()) {
+ if (cell.output(connection.first)) {
+ output = &connection.second;
+ num_outputs++;
+ }
+ }
+
+ if (num_outputs != 1) // Skip cells thad drive multiple outputs
+ return cell.name;
+
+ std::string name = "";
+ for (auto &chunk : output->chunks()) {
+ // Skip cells that drive privately named wires
+ if (!chunk.wire || chunk.wire->name.str()[0] == '$')
+ return cell.name;
+
+ if (name != "")
+ name += "$";
+
+ name += chunk.wire->name.str();
+ if (chunk.wire->width != chunk.width) {
+ name += "[";
+ if (chunk.width != 1)
+ name += std::to_string(chunk.offset + chunk.width) + ":";
+ name += std::to_string(chunk.offset) + "]";
+ }
+ }
+
+ return name + cell.type.str();
+}
+
struct RenamePass : public Pass {
RenamePass() : Pass("rename", "rename object in the design") { }
void help() YS_OVERRIDE
@@ -64,6 +114,25 @@ struct RenamePass : public Pass {
log("by this command.\n");
log("\n");
log("\n");
+ log("\n");
+ log(" rename -output old_name new_name\n");
+ log("\n");
+ log("Like above, but also make the wire an output. This will fail if the object is\n");
+ log("not a wire.\n");
+ log("\n");
+ log("\n");
+ log(" rename -src [selection]\n");
+ log("\n");
+ log("Assign names auto-generated from the src attribute to all selected wires and\n");
+ log("cells with private names.\n");
+ log("\n");
+ log("\n");
+ log(" rename -wire [selection]\n");
+ log("\n");
+ log("Assign auto-generated names based on the wires they drive to all selected\n");
+ log("cells with private names. Ignores cells driving privatly named wires.\n");
+ log("\n");
+ log("\n");
log(" rename -enumerate [-pattern <pattern>] [selection]\n");
log("\n");
log("Assign short auto-generated names to all selected wires and cells with private\n");
@@ -71,11 +140,13 @@ struct RenamePass : public Pass {
log("The character %% in the pattern is replaced with a integer number. The default\n");
log("pattern is '_%%_'.\n");
log("\n");
+ log("\n");
log(" rename -hide [selection]\n");
log("\n");
log("Assign private names (the ones with $-prefix) to all selected wires and cells\n");
log("with public names. This ignores all selected ports.\n");
log("\n");
+ log("\n");
log(" rename -top new_name\n");
log("\n");
log("Rename top module.\n");
@@ -84,15 +155,33 @@ struct RenamePass : public Pass {
void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
{
std::string pattern_prefix = "_", pattern_suffix = "_";
+ bool flag_src = false;
+ bool flag_wire = false;
bool flag_enumerate = false;
bool flag_hide = false;
bool flag_top = false;
+ bool flag_output = false;
bool got_mode = false;
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++)
{
std::string arg = args[argidx];
+ if (arg == "-src" && !got_mode) {
+ flag_src = true;
+ got_mode = true;
+ continue;
+ }
+ if (arg == "-output" && !got_mode) {
+ flag_output = true;
+ got_mode = true;
+ continue;
+ }
+ if (arg == "-wire" && !got_mode) {
+ flag_wire = true;
+ got_mode = true;
+ continue;
+ }
if (arg == "-enumerate" && !got_mode) {
flag_enumerate = true;
got_mode = true;
@@ -117,6 +206,57 @@ struct RenamePass : public Pass {
break;
}
+ if (flag_src)
+ {
+ extra_args(args, argidx, design);
+
+ for (auto &mod : design->modules_)
+ {
+ int counter = 0;
+
+ RTLIL::Module *module = mod.second;
+ if (!design->selected(module))
+ continue;
+
+ dict<RTLIL::IdString, RTLIL::Wire*> new_wires;
+ for (auto &it : module->wires_) {
+ if (it.first[0] == '$' && design->selected(module, it.second))
+ it.second->name = derive_name_from_src(it.second->get_src_attribute(), counter++);
+ new_wires[it.second->name] = it.second;
+ }
+ module->wires_.swap(new_wires);
+ module->fixup_ports();
+
+ dict<RTLIL::IdString, RTLIL::Cell*> new_cells;
+ for (auto &it : module->cells_) {
+ if (it.first[0] == '$' && design->selected(module, it.second))
+ it.second->name = derive_name_from_src(it.second->get_src_attribute(), counter++);
+ new_cells[it.second->name] = it.second;
+ }
+ module->cells_.swap(new_cells);
+ }
+ }
+ else
+ if (flag_wire)
+ {
+ extra_args(args, argidx, design);
+
+ for (auto &mod : design->modules_)
+ {
+ RTLIL::Module *module = mod.second;
+ if (!design->selected(module))
+ continue;
+
+ dict<RTLIL::IdString, RTLIL::Cell*> new_cells;
+ for (auto &it : module->cells_) {
+ if (it.first[0] == '$' && design->selected(module, it.second))
+ it.second->name = derive_name_from_wire(*it.second);
+ new_cells[it.second->name] = it.second;
+ }
+ module->cells_.swap(new_cells);
+ }
+ }
+ else
if (flag_enumerate)
{
extra_args(args, argidx, design);
@@ -206,10 +346,12 @@ struct RenamePass : public Pass {
if (!design->selected_active_module.empty())
{
if (design->modules_.count(design->selected_active_module) > 0)
- rename_in_module(design->modules_.at(design->selected_active_module), from_name, to_name);
+ rename_in_module(design->modules_.at(design->selected_active_module), from_name, to_name, flag_output);
}
else
{
+ if (flag_output)
+ log_cmd_error("Mode -output requires that there is an active module selected.\n");
for (auto &mod : design->modules_) {
if (mod.first == from_name || RTLIL::unescape_id(mod.first) == from_name) {
to_name = RTLIL::escape_id(to_name);