cram-defs.js

// Read `define.mic` and gather CRAM and DRAM fields and constants.
'use strict';
const fs = require('fs');

// Split `define.mic` file to retrieve CRAM definitions section and
// DRAM definitions sections so we can parse them into definitions we
// can use.
const definesRE = new RegExp([
  /^.*\.TOC\s+"CONTROL RAM DEFINITIONS -- J, AD"\s+/,
  /(?<CRAM>.*?)(?=\.DCODE\s+)/,
  /(?<DRAM>.*?)(?=\s+\.UCODE\s+)/,
].map(re => re.source).join(''), 'ms');

const define_mic = fs.readFileSync('kl10-source/define.mic');

if (!define_mic) {
  console.error(`ERROR: Missing 'define.mic' file which is required for EBOX`);
  process.exit(-1);
}

const definesMatches = define_mic
      .toString()
      .match(definesRE);
module.exports.CRAMdefinitions = definesMatches.groups.CRAM;
module.exports.DRAMdefinitions = definesMatches.groups.DRAM;