/*
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/*
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* Copyright (c) 2016 by Alex I. Kuznetsov.
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* Copyright (c) 2016 by Alex I. Kuznetsov.
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*
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*
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* Part of the LXP32 CPU IP core.
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* Part of the LXP32 CPU IP core.
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*
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*
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* Main translation unit for the WISHBONE interconnect generator.
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* Main translation unit for the WISHBONE interconnect generator.
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*/
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*/
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#include "generator.h"
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#include "generator.h"
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#include <iostream>
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#include <iostream>
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#include <string>
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#include <string>
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#include <stdexcept>
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#include <stdexcept>
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#include <cstring>
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#include <cstring>
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#include <cstdlib>
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#include <cstdlib>
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static void displayUsage(std::ostream &os,const char *program) {
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static void displayUsage(std::ostream &os,const char *program) {
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os<<std::endl;
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os<<std::endl;
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os<<"Usage:"<<std::endl;
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os<<"Usage:"<<std::endl;
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os<<" "<<program<<" [ option(s) ] <nm> <ns> <ma> <sa> <ps> [ <pg> ]"<<std::endl<<std::endl;
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os<<" "<<program<<" [ option(s) ] <nm> <ns> <ma> <sa> <ps> [ <pg> ]"<<std::endl<<std::endl;
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os<<" <nm> Number of masters"<<std::endl;
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os<<" <nm> Number of masters"<<std::endl;
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os<<" <ns> Number of slaves"<<std::endl;
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os<<" <ns> Number of slaves"<<std::endl;
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os<<" <ma> Master address width"<<std::endl;
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os<<" <ma> Master address width"<<std::endl;
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os<<" <sa> Slave address width"<<std::endl;
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os<<" <sa> Slave address width"<<std::endl;
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os<<" <ps> Port size"<<std::endl;
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os<<" <ps> Port size"<<std::endl;
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os<<" <pg> Port granularity, default: port size"<<std::endl;
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os<<" <pg> Port granularity, default: port size"<<std::endl;
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os<<std::endl;
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os<<std::endl;
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os<<"Options:"<<std::endl;
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os<<"Options:"<<std::endl;
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os<<" -e <entity> Entity name, default: \"intercon\""<<std::endl;
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os<<" -e <entity> Entity name, default: \"intercon\""<<std::endl;
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os<<" -h, --help Display a short help message"<<std::endl;
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os<<" -h, --help Display a short help message"<<std::endl;
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os<<" -o <file> Output file name, default: \"<entity>.vhd\""<<std::endl;
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os<<" -o <file> Output file name, default: \"<entity>.vhd\""<<std::endl;
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os<<" -p Generate pipelined arbiter"<<std::endl;
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os<<" -p Generate pipelined arbiter"<<std::endl;
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os<<" -r Generate registered feedback signals"<<std::endl;
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os<<" -r Generate registered feedback signals"<<std::endl;
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os<<" -u Generate unsafe slave decoder"<<std::endl;
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os<<" -u Generate unsafe slave decoder"<<std::endl;
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}
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}
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int main(int argc,char *argv[]) try {
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int main(int argc,char *argv[]) try {
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std::cout<<"WISHBONE interconnect generator"<<std::endl;
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std::cout<<"WISHBONE interconnect generator"<<std::endl;
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std::cout<<"Copyright (c) 2016 by Alex I. Kuznetsov"<<std::endl;
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std::cout<<"Copyright (c) 2016 by Alex I. Kuznetsov"<<std::endl;
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if(argc<=1) {
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if(argc<=1) {
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displayUsage(std::cout,argv[0]);
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displayUsage(std::cout,argv[0]);
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return 0;
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return 0;
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}
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}
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Generator gen;
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Generator gen;
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std::string outputFileName;
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std::string outputFileName;
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int mainArg=0;
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int mainArg=0;
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for(int i=1;i<argc;i++) {
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for(int i=1;i<argc;i++) {
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if(argv[i][0]=='-') {
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if(argv[i][0]=='-') {
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if(!strcmp(argv[i],"-e")) {
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if(!strcmp(argv[i],"-e")) {
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if(++i==argc) {
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if(++i==argc) {
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displayUsage(std::cerr,argv[0]);
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displayUsage(std::cerr,argv[0]);
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return EXIT_FAILURE;
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return EXIT_FAILURE;
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}
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}
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gen.setEntityName(argv[i]);
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gen.setEntityName(argv[i]);
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}
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}
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else if(!strcmp(argv[i],"-h")||!strcmp(argv[i],"--help")) {
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else if(!strcmp(argv[i],"-h")||!strcmp(argv[i],"--help")) {
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displayUsage(std::cout,argv[0]);
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displayUsage(std::cout,argv[0]);
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return 0;
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return 0;
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}
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}
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else if(!strcmp(argv[i],"-o")) {
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else if(!strcmp(argv[i],"-o")) {
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if(++i==argc) {
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if(++i==argc) {
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displayUsage(std::cerr,argv[0]);
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displayUsage(std::cerr,argv[0]);
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return EXIT_FAILURE;
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return EXIT_FAILURE;
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}
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}
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outputFileName=argv[i];
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outputFileName=argv[i];
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}
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}
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else if(!strcmp(argv[i],"-p")) {
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else if(!strcmp(argv[i],"-p")) {
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gen.setPipelinedArbiter(true);
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gen.setPipelinedArbiter(true);
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}
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}
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else if(!strcmp(argv[i],"-r")) {
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else if(!strcmp(argv[i],"-r")) {
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gen.setRegisteredFeedback(true);
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gen.setRegisteredFeedback(true);
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}
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}
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else if(!strcmp(argv[i],"-u")) {
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else if(!strcmp(argv[i],"-u")) {
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gen.setUnsafeDecoder(true);
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gen.setUnsafeDecoder(true);
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}
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}
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else throw std::runtime_error(std::string("Unrecognized option: \"")+argv[i]+"\"");
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else throw std::runtime_error(std::string("Unrecognized option: \"")+argv[i]+"\"");
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}
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}
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else {
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else {
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if(mainArg>5) throw std::runtime_error("Too many arguments");
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if(mainArg>5) throw std::runtime_error("Too many arguments");
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int value;
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int value;
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try {
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try {
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value=std::stoi(argv[i],nullptr,0);
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value=std::stoi(argv[i],nullptr,0);
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}
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}
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catch(std::exception &) {
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catch(std::exception &) {
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throw std::runtime_error("Invalid value");
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throw std::runtime_error("Invalid value");
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}
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}
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switch(mainArg) {
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switch(mainArg) {
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case 0:
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case 0:
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gen.setMasters(value);
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gen.setMasters(value);
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break;
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break;
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case 1:
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case 1:
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gen.setSlaves(value);
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gen.setSlaves(value);
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break;
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break;
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case 2:
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case 2:
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gen.setAddrWidth(value);
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gen.setAddrWidth(value);
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break;
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break;
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case 3:
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case 3:
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gen.setSlaveAddrWidth(value);
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gen.setSlaveAddrWidth(value);
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break;
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break;
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case 4:
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case 4:
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gen.setPortSize(value);
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gen.setPortSize(value);
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break;
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break;
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case 5:
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case 5:
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gen.setPortGranularity(value);
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gen.setPortGranularity(value);
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break;
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break;
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}
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}
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mainArg++;
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mainArg++;
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}
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}
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}
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}
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if(mainArg<5) throw std::runtime_error("Too few arguments");
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if(mainArg<5) throw std::runtime_error("Too few arguments");
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if(mainArg==5) gen.setPortGranularity(gen.portSize());
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if(mainArg==5) gen.setPortGranularity(gen.portSize());
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if(outputFileName.empty()) outputFileName=gen.entityName()+".vhd";
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if(outputFileName.empty()) outputFileName=gen.entityName()+".vhd";
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gen.generate(outputFileName);
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gen.generate(outputFileName);
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}
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}
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catch(std::exception &ex) {
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catch(std::exception &ex) {
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std::cerr<<"Error: "<<ex.what()<<std::endl;
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std::cerr<<"Error: "<<ex.what()<<std::endl;
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return EXIT_FAILURE;
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return EXIT_FAILURE;
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}
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}
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