void V3Inline::inlineAll(AstNetlist* nodep) { UINFO(2,__FUNCTION__<<": "<<endl); InlineMarkVisitor mvisitor (nodep); InlineVisitor visitor (nodep); // Remove all modules that were inlined // V3Dead will also clean them up, but if we have debug on, it's a good // idea to avoid dumping the hugely exploded tree. AstNodeModule* nextmodp; for (AstNodeModule* modp = v3Global.rootp()->modulesp(); modp; modp=nextmodp) { nextmodp = modp->nextp()->castNodeModule(); if (modp->user1()) { // Was inlined modp->unlinkFrBack()->deleteTree(); modp=NULL; } } }
virtual void visit(AstPragma* nodep, AstNUser*) { if (nodep->pragType() == AstPragmaType::INLINE_MODULE) { //UINFO(0,"PRAG MARK "<<m_modp<<endl); if (!m_modp) { nodep->v3error("Inline pragma not under a module"); } else { m_modp->user1(1); } nodep->unlinkFrBack()->deleteTree(); nodep=NULL; // Remove so don't propagate to upper cell... } else if (nodep->pragType() == AstPragmaType::NO_INLINE_MODULE) { if (!m_modp) { nodep->v3error("Inline pragma not under a module"); } else { cantInline("Pragma NO_INLINE_MODULE",false); } nodep->unlinkFrBack()->deleteTree(); nodep=NULL; // Remove so don't propagate to upper cell... } else { nodep->iterateChildren(*this); } }
// METHODS void deadCheckMod() { // Kill any unused modules // V3LinkCells has a graph that is capable of this too, but we need to do it // after we've done all the generate blocks for (bool retry=true; retry; ) { retry=false; AstNodeModule* nextmodp; for (AstNodeModule* modp = v3Global.rootp()->modulesp(); modp; modp=nextmodp) { nextmodp = modp->nextp()->castNodeModule(); if (modp->level()>2 && modp->user1()==0 && !modp->internal()) { // > 2 because L1 is the wrapper, L2 is the top user module UINFO(4," Dead module "<<modp<<endl); // And its children may now be killable too; correct counts // Recurse, as cells may not be directly under the module but in a generate DeadModVisitor visitor(modp); modp->unlinkFrBack()->deleteTree(); VL_DANGLING(modp); retry = true; } } } }
void EmitCSyms::emitSymImp() { UINFO(6,__FUNCTION__<<": "<<endl); string filename = v3Global.opt.makeDir()+"/"+symClassName()+".cpp"; AstCFile* cfilep = newCFile(filename, true/*slow*/, true/*source*/); cfilep->support(true); V3OutCFile cf (filename); m_ofp = &cf; ofp()->putsHeader(); puts("// DESCR" "IPTION: Verilator output: Symbol table implementation internals\n"); puts("\n"); // Includes puts("#include \""+symClassName()+".h\"\n"); for (AstNodeModule* nodep = v3Global.rootp()->modulesp(); nodep; nodep=nodep->nextp()->castNodeModule()) { puts("#include \""+modClassName(nodep)+".h\"\n"); } //puts("\n// GLOBALS\n"); puts("\n// FUNCTIONS\n"); puts(symClassName()+"::"+symClassName()+"("+topClassName()+"* topp, const char* namep)\n"); puts("\t// Setup locals\n"); puts("\t: __Vm_namep(namep)\n"); // No leak, as we get destroyed when the top is destroyed puts("\t, __Vm_activity(false)\n"); puts("\t, __Vm_didInit(false)\n"); puts("\t// Setup submodule names\n"); char comma=','; for (vector<ScopeModPair>::iterator it = m_scopes.begin(); it != m_scopes.end(); ++it) { AstScope* scopep = it->first; AstNodeModule* modp = it->second; if (modp->isTop()) { } else { ofp()->printf("\t%c %-30s ", comma, scopep->nameDotless().c_str()); puts("(Verilated::catName(topp->name(),"); // The "." is added by catName putsQuoted(scopep->prettyName()); puts("))\n"); comma=','; } } puts("{\n"); puts("// Pointer to top level\n"); puts("TOPp = topp;\n"); puts("// Setup each module's pointers to their submodules\n"); for (vector<ScopeModPair>::iterator it = m_scopes.begin(); it != m_scopes.end(); ++it) { AstScope* scopep = it->first; AstNodeModule* modp = it->second; if (!modp->isTop()) { string arrow = scopep->name(); string::size_type pos; while ((pos=arrow.find(".")) != string::npos) { arrow.replace(pos, 1, "->"); } if (arrow.substr(0,5) == "TOP->") arrow.replace(0,5,"TOPp->"); ofp()->printf("%-30s ", arrow.c_str()); puts(" = &"); puts(scopep->nameDotless()+";\n"); } } puts("// Setup each module's pointer back to symbol table (for public functions)\n"); puts("TOPp->__Vconfigure(this, true);\n"); for (vector<ScopeModPair>::iterator it = m_scopes.begin(); it != m_scopes.end(); ++it) { AstScope* scopep = it->first; AstNodeModule* modp = it->second; if (!modp->isTop()) { // first is used by AstCoverDecl's call to __vlCoverInsert bool first = !modp->user1(); modp->user1(true); puts(scopep->nameDotless()+".__Vconfigure(this, " +(first?"true":"false") +");\n"); } } puts("// Setup scope names\n"); for (ScopeNames::iterator it = m_scopeNames.begin(); it != m_scopeNames.end(); ++it) { puts("__Vscope_"+it->second.m_symName+".configure(this,name(),"); putsQuoted(it->second.m_prettyName); puts(");\n"); } if (v3Global.dpi()) { puts("// Setup export functions\n"); puts("for (int __Vfinal=0; __Vfinal<2; __Vfinal++) {\n"); for (ScopeFuncs::iterator it = m_scopeFuncs.begin(); it != m_scopeFuncs.end(); ++it) { AstScopeName* scopep = it->second.m_scopep; AstCFunc* funcp = it->second.m_funcp; AstNodeModule* modp = it->second.m_modp; if (funcp->dpiExport()) { puts("__Vscope_"+scopep->scopeSymName()+".exportInsert(__Vfinal,"); putsQuoted(funcp->cname()); puts(", (void*)(&"); puts(modClassName(modp)); puts("::"); puts(funcp->name()); puts("));\n"); } } // It would be less code if each module inserted its own variables. // Someday. For now public isn't common. for (ScopeVars::iterator it = m_scopeVars.begin(); it != m_scopeVars.end(); ++it) { AstNodeModule* modp = it->second.m_modp; AstScope* scopep = it->second.m_scopep; AstVar* varp = it->second.m_varp; // int pdim=0; int udim=0; string bounds; if (AstBasicDType* basicp = varp->basicp()) { // Range is always first, it's not in "C" order if (basicp->isRanged()) { bounds += " ,"; bounds += cvtToStr(basicp->msb()); bounds += ","; bounds += cvtToStr(basicp->lsb()); pdim++; } for (AstNodeDType* dtypep=varp->dtypep(); dtypep; ) { dtypep = dtypep->skipRefp(); // Skip AstRefDType/AstTypedef, or return same node if (AstNodeArrayDType* adtypep = dtypep->castNodeArrayDType()) { bounds += " ,"; bounds += cvtToStr(adtypep->msb()); bounds += ","; bounds += cvtToStr(adtypep->lsb()); if (dtypep->castPackArrayDType()) pdim++; else udim++; dtypep = adtypep->subDTypep(); } else break; // AstBasicDType - nothing below, 1 } } // if (pdim>1 || udim>1) { puts("//UNSUP "); // VerilatedImp can't deal with >2d or packed arrays } puts("__Vscope_"+it->second.m_scopeName+".varInsert(__Vfinal,"); putsQuoted(it->second.m_varBasePretty); puts(", &("); if (modp->isTop()) { puts(scopep->nameDotless()); puts("p->"); } else { puts(scopep->nameDotless()); puts("."); } puts(varp->name()); puts("), "); puts(varp->vlEnumType()); // VLVT_UINT32 etc puts(","); puts(varp->vlEnumDir()); // VLVD_IN etc if (varp->isSigUserRWPublic()) puts("|VLVF_PUB_RW"); else if (varp->isSigUserRdPublic()) puts("|VLVF_PUB_RD"); puts(","); puts(cvtToStr(pdim+udim)); puts(bounds); puts(");\n"); } puts("}\n"); } puts("}\n"); if (v3Global.opt.savable() ) { puts("\n"); for (int de=0; de<2; ++de) { string classname = de ? "VerilatedDeserialize" : "VerilatedSerialize"; string funcname = de ? "__Vdeserialize" : "__Vserialize"; string op = de ? ">>" : "<<"; puts("void "+symClassName()+"::"+funcname+"("+classname+"& os) {\n"); puts( "// LOCAL STATE\n"); // __Vm_namep presumably already correct puts( "os"+op+"__Vm_activity;\n"); puts( "os"+op+"__Vm_didInit;\n"); puts( "// SUBCELL STATE\n"); for (vector<ScopeModPair>::iterator it = m_scopes.begin(); it != m_scopes.end(); ++it) { AstScope* scopep = it->first; AstNodeModule* modp = it->second; if (!modp->isTop()) { puts( scopep->nameDotless()+"."+funcname+"(os);\n"); } } puts("}\n"); } } }