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Fix missing var access functions when no DPI, bug572.

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This commit is contained in:
Wilson Snyder
2012-10-30 03:02:35 -04:00
parent dce227684a
commit 7ef37d6e17
4 changed files with 27 additions and 9 deletions
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src/V3EmitCSyms.cpp
+3 -2
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@@ -115,8 +115,8 @@ class EmitCSyms : EmitCBaseVisitor {
AstScope* scopep = it->first; AstNodeModule* smodp = it->second;
for (vector<ModVarPair>::iterator it = m_modVars.begin(); it != m_modVars.end(); ++it) {
AstNodeModule* modp = it->first;
AstVar* varp = it->second;
if (modp == smodp) {
AstVar* varp = it->second;
// Need to split the module + var name into the original-ish full scope and variable name under that scope.
// The module instance name is included later, when we know the scopes this module is under
string whole = scopep->name()+"__DOT__"+varp->name();
@@ -204,7 +204,8 @@ class EmitCSyms : EmitCBaseVisitor {
}
virtual void visit(AstVar* nodep, AstNUser*) {
nodep->iterateChildren(*this);
if (nodep->isSigUserRdPublic()) {
if (nodep->isSigUserRdPublic()
&& !nodep->isParam()) { // The VPI functions require a pointer to allow modification, but parameters are constants
m_modVars.push_back(make_pair(m_modp, nodep));
}
}