Esempio n. 1
0
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");
	}
    }
}
Esempio n. 2
0
void EmitCSyms::emitSymHdr() {
    UINFO(6,__FUNCTION__<<": "<<endl);
    string filename = v3Global.opt.makeDir()+"/"+symClassName()+".h";
    newCFile(filename, true/*slow*/, false/*source*/);
    V3OutCFile hf (filename);
    m_ofp = &hf;

    ofp()->putsHeader();
    puts("// DESCR" "IPTION: Verilator output: Symbol table internal header\n");
    puts("//\n");
    puts("// Internal details; most calling programs do not need this header\n");
    puts("\n");

    puts("#ifndef _"+symClassName()+"_H_\n");
    puts("#define _"+symClassName()+"_H_\n");
    puts("\n");

    if (optSystemPerl()) puts("#include \"systemperl.h\"\n");
    else if (optSystemC()) puts("#include \"systemc.h\"\n");

    if (optSystemPerl() || optSystemC()) {
	puts("#include \"verilated_sc.h\"\n");
    }
    if (v3Global.needHeavy()) {
	puts("#include \"verilated_heavy.h\"\n");
    } else {
	puts("#include \"verilated.h\"\n");
    }

    // for
    puts("\n// INCLUDE MODULE CLASSES\n");
    for (AstNodeModule* nodep = v3Global.rootp()->modulesp(); nodep; nodep=nodep->nextp()->castNodeModule()) {
	puts("#include \""+modClassName(nodep)+".h\"\n");
    }

    if (v3Global.dpi()) {
	puts ("\n// DPI TYPES for DPI Export callbacks (Internal use)\n");
	map<string,int> types;  // Remove duplicates and sort
	for (ScopeFuncs::iterator it = m_scopeFuncs.begin(); it != m_scopeFuncs.end(); ++it) {
	    AstCFunc* funcp = it->second.m_funcp;
	    if (funcp->dpiExport()) {
		string cbtype = v3Global.opt.prefix()+"__Vcb_"+funcp->cname()+"_t";
		types["typedef void (*"+cbtype+") ("+cFuncArgs(funcp)+");\n"] = 1;
	    }
	}
	for (map<string,int>::iterator it = types.begin(); it != types.end(); ++it) {
	    puts(it->first);
	}
    }

    puts("\n// SYMS CLASS\n");
    puts((string)"class "+symClassName()+" : public VerilatedSyms {\n");
    ofp()->putsPrivate(false);  // public:

    puts("\n// LOCAL STATE\n");
    ofp()->putAlign(V3OutFile::AL_AUTO, sizeof(vluint64_t));
    puts("const char* __Vm_namep;\n");	// Must be before subcells, as constructor order needed before _vlCoverInsert.
    ofp()->putAlign(V3OutFile::AL_AUTO, sizeof(bool));
    puts("bool\t__Vm_activity;\t\t///< Used by trace routines to determine change occurred\n");
    ofp()->putAlign(V3OutFile::AL_AUTO, sizeof(bool));
    puts("bool\t__Vm_didInit;\n");

    ofp()->putAlign(V3OutFile::AL_AUTO, sizeof(vluint64_t));
    puts("\n// 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()) {
	    ofp()->printf("%-30s ", (modClassName(modp)+"*").c_str());
	    puts(scopep->nameDotless()+"p;\n");
	}
	else {
	    ofp()->printf("%-30s ", (modClassName(modp)+"").c_str());
	    puts(scopep->nameDotless()+";\n");
	}
    }

    puts("\n// COVERAGE\n");
    if (m_coverBins) {
	ofp()->putAlign(V3OutFile::AL_AUTO, sizeof(uint32_t));
	puts("uint32_t\t__Vcoverage["); puts(cvtToStr(m_coverBins)); puts("];\n");
    }

    puts("\n// SCOPE NAMES\n");
    for (ScopeNames::iterator it = m_scopeNames.begin(); it != m_scopeNames.end(); ++it) {
	puts("VerilatedScope __Vscope_"+it->second.m_symName+";\n");
    }

    puts("\n// CREATORS\n");
    puts(symClassName()+"("+topClassName()+"* topp, const char* namep);\n");
    puts((string)"~"+symClassName()+"() {};\n");

    puts("\n// METHODS\n");
    puts("inline const char* name() { return __Vm_namep; }\n");
    puts("inline bool getClearActivity() { bool r=__Vm_activity; __Vm_activity=false; return r;}\n");
    if (v3Global.opt.savable() ) {
	puts("void __Vserialize(VerilatedSerialize& os);\n");
	puts("void __Vdeserialize(VerilatedDeserialize& os);\n");
    }
    puts("\n");
    puts("} VL_ATTR_ALIGNED(64);\n");
    puts("\n");
    puts("#endif  /*guard*/\n");
}