importScripts("libv86.js"); importScripts("ISOTerminal.js") // we don't instance it again here (just use its functions) this.runISO = function(opts){ this.opts = opts if( opts.debug ) console.dir(opts) if( opts.cdrom && !opts.cdrom.url.match(/^http/) ) opts.cdrom.url = "../../"+opts.cdrom.url if( opts.bzimage && !opts.cdrom.url.match(/^http/) ) opts.bzimage.url = "../../"+opts.bzimage.url let emulator = this.emulator = new V86(opts); console.log("[worker.js] started emulator") // event forwarding emulator.add_listener("serial0-output-byte", function(byte){ ISOTerminal.prototype.bufferOutput(byte, (str) => { // we buffer to prevent framerate dropping if( !str ) return this.postMessage({event:"serial0-output-string",data:str}); }, opts.bufferLatency ) }.bind(this)); emulator.add_listener("serial1-output-byte", function(byte){ ISOTerminal.prototype.bufferOutput(byte, (str) => { // we buffer to prevent framerate dropping if( !str ) return this.postMessage({event:"serial1-output-string",data:str}); }, opts.bufferLatency ) }.bind(this)); emulator.add_listener("serial2-output-byte", function(byte){ ISOTerminal.prototype.bufferOutput(byte, (str) => { // we buffer to prevent framerate dropping if( !str ) return this.postMessage({event:"serial2-output-string",data:str}); }, opts.bufferLatency ) }.bind(this)); emulator.add_listener("emulator-started", function(){ importScripts("feat/9pfs_utils.js") this.postMessage({event:"emulator-started",data:false}); }.bind(this)); /* * forward events/functions so non-worker world can reach them */ this['emulator.create_file'] = async function(){ return emulator.create_file.apply(emulator, arguments[0]) } this['emulator.read_file'] = async function(){ return emulator.read_file.apply(emulator, arguments[0]) } this['emulator.append_file'] = async function(){ emulator.fs9p.append_file.apply(emulator.fs9p, arguments[0]) } this['emulator.update_file'] = async function(){ emulator.fs9p.update_file.apply(emulator.fs9p, arguments[0]) } // filename will be read from 9pfs: "/mnt/"+filename emulator.readFromPipe = function(filename,cb){ emulator.add_listener("9p-write-end", async (opts) => { if ( opts[0] == filename.replace(/.*\//,'') ){ cb() } }) } importScripts("feat/javascript.js") importScripts("feat/index.html.js") importScripts("feat/autorestore.js") } /* * forward events/functions so non-worker world can reach them */ this['serial0-input'] = function(c){ emulator.bus.send( 'serial0-input', c) } // to /dev/ttyS0 this['serial1-input'] = function(c){ emulator.bus.send( 'serial1-input', c) } // to /dev/ttyS1 this['serial2-input'] = function(c){ emulator.bus.send( 'serial2-input', c) } // to /dev/ttyS2 this.onmessage = async function(e){ let {event,data} = e.data if( this[event] ){ if( this.opts?.debug ) console.log(`[worker.js] this.${event}(${JSON.stringify(data).substr(0,60)})`) try{ let result = await this[event](data) if( data.promiseId ){ // auto-callback to ISOTerminal.worker.promise(...) this.postMessage({event,data: {...data,result}}) } }catch(e){ if( data.promiseId ){ // auto-callback to ISOTerminal.worker.promise(...) this.postMessage({event,data: {...data,error:e}}) } } } }