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-rw-r--r--frontends/verific/verific.cc23
1 files changed, 20 insertions, 3 deletions
diff --git a/frontends/verific/verific.cc b/frontends/verific/verific.cc
index 8ee951d20..c412cd3a3 100644
--- a/frontends/verific/verific.cc
+++ b/frontends/verific/verific.cc
@@ -1855,6 +1855,13 @@ struct VerificPass : public Pass {
log(" -autocover\n");
log(" Generate automatic cover statements for all asserts\n");
log("\n");
+ log(" -chparam name value \n");
+ log(" Elaborate the specified top modules (all modules when -all given) using\n");
+ log(" this parameter value. Modules on which this parameter does not exist will\n");
+ log(" cause Verific to produce a VERI-1928 or VHDL-1676 message. This option\n");
+ log(" can be specified multiple times to override multiple parameters.\n");
+ log(" String values must be passed in double quotes (\").\n");
+ log("\n");
log(" -v, -vv\n");
log(" Verbose log messages. (-vv is even more verbose than -v.)\n");
log("\n");
@@ -2109,6 +2116,7 @@ struct VerificPass : public Pass {
bool mode_autocover = false;
bool flatten = false, extnets = false;
string dumpfile;
+ Map parameters(STRING_HASH);
for (argidx++; argidx < GetSize(args); argidx++) {
if (args[argidx] == "-all") {
@@ -2147,6 +2155,15 @@ struct VerificPass : public Pass {
mode_autocover = true;
continue;
}
+ if (args[argidx] == "-chparam" && argidx+2 < GetSize(args)) {
+ const std::string &key = args[++argidx];
+ const std::string &value = args[++argidx];
+ unsigned new_insertion = parameters.Insert(key.c_str(), value.c_str(),
+ 1 /* force_overwrite */);
+ if (!new_insertion)
+ log_warning_noprefix("-chparam %s already specified: overwriting.\n", key.c_str());
+ continue;
+ }
if (args[argidx] == "-V") {
mode_verific = true;
continue;
@@ -2180,7 +2197,7 @@ struct VerificPass : public Pass {
if (vhdl_lib) vhdl_libs.InsertLast(vhdl_lib);
if (veri_lib) veri_libs.InsertLast(veri_lib);
- Array *netlists = hier_tree::ElaborateAll(&veri_libs, &vhdl_libs);
+ Array *netlists = hier_tree::ElaborateAll(&veri_libs, &vhdl_libs, &parameters);
Netlist *nl;
int i;
@@ -2217,7 +2234,7 @@ struct VerificPass : public Pass {
}
log("Running hier_tree::Elaborate().\n");
- Array *netlists = hier_tree::Elaborate(&veri_modules, &vhdl_units);
+ Array *netlists = hier_tree::Elaborate(&veri_modules, &vhdl_units, &parameters);
Netlist *nl;
int i;
@@ -2316,7 +2333,7 @@ struct ReadPass : public Pass {
}
void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
{
- if (args.size() < 2)
+ if (args.size() < 2 || args[1][0] != '-')
log_cmd_error("Missing mode parameter.\n");
if (args.size() < 3)