// headless runner: node run.mjs flash.bin [seconds] [--psram]
import fs from 'fs';
import { ESP32 } from '../web/js/soc.js';
const romDir = process.env.ROMDIR || new URL('../web/rom/', import.meta.url).pathname;
const [, , flashPath, secs = '5', ...flags] = process.argv;
const soc = new ESP32({ log: console.log });
soc.loadRoms(fs.readFileSync(romDir + 'esp32-v3-rom.bin'), fs.readFileSync(romDir + 'esp32-v3-rom-app.bin'));
soc.setFlash(fs.readFileSync(flashPath));
soc.enablePsram(flags.includes('--psram'));
let out = '';
soc.onUart = (n, b) => { if (n === 0) process.stdout.write(String.fromCharCode(b)); };
soc.reset('power');
const t0 = Date.now();
const limitNs = parseFloat(secs) * 1e9;
let instr = 0;
while (soc.timeNs < limitNs) {
  instr += soc.run(200000);
  if (soc.idleForever) break;
}
const dt = (Date.now() - t0) / 1000;
console.log(`\n[emu] virtual ${(soc.timeNs / 1e9).toFixed(3)}s, ${instr} instr, wall ${dt.toFixed(2)}s, ${(instr / dt / 1e6).toFixed(1)} MIPS, pc0=${(soc.cpus[0].pc >>> 0).toString(16)} pc1=${(soc.cpus[1].pc >>> 0).toString(16)}`);