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